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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();	26	use IO::AIO 2.32 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	33	$Event::Eval = 1; # no idea why this is required, but it is
		34
		35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		36
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	38	$YAML::Syck::ImplicitUnicode = 1;
30		39
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	40	$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		41
35	our %COMMAND = ();	42	our %COMMAND = ();
36	our %COMMAND_TIME = ();	43	our %COMMAND_TIME = ();
		44
		45	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	46	our %EXTCMD = ();
		47	our %EXT_CORO = (); # coroutines bound to extensions
		48	our %EXT_MAP = (); # pluggable maps
38		49
		50	our $RELOAD; # number of reloads so far
39	our @EVENT;	51	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	52	our $LIBDIR = datadir . "/ext";
41		53
42	our $TICK = MAX_TIME * 1e-6;	54	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	55	our $TICK_WATCHER;
		56	our $AIO_POLL_WATCHER;
		57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	58	our $NEXT_TICK;
45	our $NOW;	59	our $NOW;
		60	our $USE_FSYNC = 1; # use fsync to write maps - default off
		61
		62	our $BDB_POLL_WATCHER;
		63	our $DB_ENV;
46		64
47	our %CFG;	65	our %CFG;
48		66
49	our $UPTIME; $UPTIME ||= time;	67	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	68	our $RUNTIME;
51		69
		70	our %PLAYER; # all users
52	our %MAP; # all maps	71	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	72	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	73	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	74	our $BDB_ENV_DIR = cf::localdir . "/db";
		75
		76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		78
		79	# used to convert map paths into valid unix filenames by replacing / by ∕
		80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		81
58	binmode STDOUT;	82	binmode STDOUT;
59	binmode STDERR;	83	binmode STDERR;
60		84
61	# read virtual server time, if available	85	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	92	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	93	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	94	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	95	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	96	mkdir $RANDOM_MAPS;
		97	mkdir $BDB_ENV_DIR;
73		98
74	# a special map that is always available	99	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		100
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	101	sub cf::map::normalise;
78		102
79	#############################################################################	103	#############################################################################
80		104
81	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
82		106
…		…
106		130
107	=item %cf::CFG	131	=item %cf::CFG
108		132
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	134	from wherever your confdir points to.
		135
		136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		137
		138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		140	processing has been done. Call C<< ->wait >> on them to maximise the
		141	window of cpu time available, or simply to synchronise to the server tick.
111		142
112	=back	143	=back
113		144
114	=cut	145	=cut
115		146
…		…
119	utf8::encode $msg;	150	utf8::encode $msg;
120		151
121	$msg .= "\n"	152	$msg .= "\n"
122	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
123		154
124	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
125	};	156	};
126	}	157	}
127		158
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		178
148	$Event::DIED = sub {	179	$Event::DIED = sub {
149	warn "error in event callback: @_";	180	warn "error in event callback: @_";
150	};	181	};
151		182
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
157		184
158	=over 4	185	=over 4
159		186
		187	=item dumpval $ref
		188
160	=cut	189	=cut
		190
		191	sub dumpval {
		192	eval {
		193	local $SIG{__DIE__};
		194	my $d;
		195	if (1) {
		196	$d = new Data::Dumper([$_[0]], ["*var"]);
		197	$d->Terse(1);
		198	$d->Indent(2);
		199	$d->Quotekeys(0);
		200	$d->Useqq(1);
		201	#$d->Bless(...);
		202	$d->Seen($_[1]) if @_ > 1;
		203	$d = $d->Dump();
		204	}
		205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		206	$d
		207	} || "[unable to dump $_[0]: '$@']";
		208	}
161		209
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		211
164	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
165		213
…		…
180		228
181	sub to_json($) {	229	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
184	}	232	}
		233
		234	=item cf::lock_wait $string
		235
		236	Wait until the given lock is available. See cf::lock_acquire.
		237
		238	=item my $lock = cf::lock_acquire $string
		239
		240	Wait until the given lock is available and then acquires it and returns
		241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		242	for example when the coroutine gets canceled), the lock is automatically
		243	returned.
		244
		245	Lock names should begin with a unique identifier (for example, cf::map::find
		246	uses map_find and cf::map::load uses map_load).
		247
		248	=cut
		249
		250	our %LOCK;
		251
		252	sub lock_wait($) {
		253	my ($key) = @_;
		254
		255	# wait for lock, if any
		256	while ($LOCK{$key}) {
		257	push @{ $LOCK{$key} }, $Coro::current;
		258	Coro::schedule;
		259	}
		260	}
		261
		262	sub lock_acquire($) {
		263	my ($key) = @_;
		264
		265	# wait, to be sure we are not locked
		266	lock_wait $key;
		267
		268	$LOCK{$key} = [];
		269
		270	Coro::guard {
		271	# wake up all waiters, to be on the safe side
		272	$_->ready for @{ delete $LOCK{$key} };
		273	}
		274	}
		275
		276	sub freeze_mainloop {
		277	return unless $TICK_WATCHER->is_active;
		278
		279	my $guard = Coro::guard {
		280	$TICK_WATCHER->start;
		281	};
		282	$TICK_WATCHER->stop;
		283	$guard
		284	}
		285
		286	=item cf::async { BLOCK }
		287
		288	Currently the same as Coro::async_pool, meaning you cannot use
		289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
		291
		292	=cut
		293
		294	BEGIN { *async = \&Coro::async_pool }
185		295
186	=item cf::sync_job { BLOCK }	296	=item cf::sync_job { BLOCK }
187		297
188	The design of crossfire+ requires that the main coro ($Coro::main) is	298	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	299	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	313	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	314	# till the operation succeeds, freezing the server :/
205		315
206	# TODO: use suspend/resume instead	316	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	317	# (but this is cancel-safe)
208	local $FREEZE = 1;	318	my $freeze_guard = freeze_mainloop;
209		319
210	my $busy = 1;	320	my $busy = 1;
211	my @res;	321	my @res;
212		322
213	(Coro::async {	323	(async {
214	@res = eval { $job->() };	324	@res = eval { $job->() };
215	warn $@ if $@;	325	warn $@ if $@;
216	undef $busy;	326	undef $busy;
217	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
218		328
219	while ($busy) {	329	while ($busy) {
220	Coro::cede_notself;	330	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	331	}
223		332
224	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
225	} else {	334	} else {
226	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
227		336
228	$job->()	337	$job->()
229	}	338	}
230	}	339	}
231		340
232	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
233		342
234	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
236		345
237	=cut	346	=cut
238		347
239	sub coro(&) {	348	sub async_ext(&) {
240	my $cb = shift;	349	my $cb = shift;
241		350
242	my $coro; $coro = async {	351	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		352
249	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
251	});	355	});
252	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
253		357
254	$coro	358	$coro
255	}	359	}
256		360
257	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
258	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
259		365
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	367	or return;
262		368
		369	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	370	# 10 is the runtime save interval, for a monotonic clock
		371	# 60 allows for the watchdog to kill the server.
		372
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	374	and return;
266		375
		376	# always fsync - this file is important
267	aio_fsync $fh	377	aio_fsync $fh
268	and return;	378	and return;
269		379
270	close $fh	380	close $fh
271	or return;	381	or return;
…		…
277	}	387	}
278		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		392
403	#############################################################################	393	#############################################################################
404		394
405	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
406		396
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	523	our @CB_MAP = ();
534		524
535	my %attachment;	525	my %attachment;
536		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
537	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
539		535
540	use sort 'stable';	536	use sort 'stable';
541		537
…		…
712	# object support	708	# object support
713		709
714	sub reattach {	710	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		715
718	my $registry = $obj->registry;	716	my $registry = $obj->registry;
719		717
720	@$registry = ();	718	@$registry = ();
721		719
…		…
768	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
769		767
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	772	close $fh;
775		773
776	if (@$objs) {	774	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	780	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
784	}	782	}
785	} else {	783	} else {
786	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
818	or return;	816	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
820	}	818	}
821		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	822	return ($data, $av);
823	}	823	}
824		824
825	#############################################################################	825	#############################################################################
826	# command handling &c	826	# command handling &c
…		…
851	=cut	851	=cut
852		852
853	sub register_extcmd {	853	sub register_extcmd {
854	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
855		855
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
860	}	857	}
861		858
862	cf::player->attach (	859	cf::player->attach (
863	on_command => sub {	860	on_command => sub {
864	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
877		874
878	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
879		876
880	if (ref $msg) {	877	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	881	}
885	}	882	}
886	} else {	883	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		886
890	cf::override;	887	cf::override;
891	},	888	},
892	);	889	);
893		890
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	891	sub load_extension {
901	my ($path) = @_;	892	my ($path) = @_;
902		893
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	895	my $base = $1;
905	my $pkg = $1;	896	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
908		899
909	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
910		901
911	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
912	or die "$path: $!";	903	or die "$path: $!";
913		904
914	my $source =	905	my $source =
915	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
918	. "\n};\n1";	909	. "\n};\n1";
919		910
920	eval $source	911	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	913	: "extension disabled.\n";
923		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	915	warn $@;
925	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
926		917	exit 1;
927	# no strict 'refs';	918	}
928	# @{"$pkg\::ISA"} = ext::;	919	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	920	}
943		921
944	# remove commands	922	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	923	}
969		924
970	sub load_extensions {	925	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	927	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
977	}	932	}
978	}	933	}
979		934
980	#############################################################################	935	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		936
1018	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1019		938
1020	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1021		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1022	=head3 cf::player	947	=head3 cf::player
1023		948
1024	=over 4	949	=over 4
1025		950
1026	=item cf::player::exists $login	951	=item cf::player::find $login
1027		952
1028	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1029		954
1030	=cut	955	=cut
1031		956
1032	sub cf::player::exists($) {	957	sub playerdir($) {
1033	cf::player::find $_[0]	958	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		963	}
		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
1035	}	1127	}
1036		1128
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1130
1039	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1040		1132
1041	=cut	1133	=cut
1042		1134
1043	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1045		1137
1046	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1047		1139
1048	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1049	}	1141	}
		1142
		1143	package cf;
1050		1144
1051	=back	1145	=back
1052		1146
1053		1147
1054	=head3 cf::map	1148	=head3 cf::map
…		…
1060	package cf::map;	1154	package cf::map;
1061		1155
1062	use Fcntl;	1156	use Fcntl;
1063	use Coro::AIO;	1157	use Coro::AIO;
1064		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1065	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1067		1165
1068	sub generate_random_map {	1166	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1169	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1180	(cf::region::find $rmp->{region}), $rmp->{custom}
		1181	)
		1182	}
		1183
		1184	=item cf::map->register ($regex, $prio)
		1185
		1186	Register a handler for the map path matching the given regex at the
		1187	givne priority (higher is better, built-in handlers have priority 0, the
		1188	default).
		1189
		1190	=cut
		1191
		1192	sub register {
		1193	my (undef, $regex, $prio) = @_;
		1194	my $pkg = caller;
		1195
		1196	no strict;
		1197	push @{"$pkg\::ISA"}, __PACKAGE__;
		1198
		1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1200	}
		1201
		1202	# also paths starting with '/'
		1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1204
		1205	sub thawer_merge {
		1206	my ($self, $merge) = @_;
		1207
		1208	# we have to keep some variables in memory intact
		1209	local $self->{path};
		1210	local $self->{load_path};
		1211	local $self->{deny_save};
		1212	local $self->{deny_reset};
		1213
		1214	$self->SUPER::thawer_merge ($merge);
		1215	}
		1216
		1217	sub normalise {
		1218	my ($path, $base) = @_;
		1219
		1220	$path = "$path"; # make sure its a string
		1221
		1222	$path =~ s/\.map$//;
		1223
		1224	# map plan:
		1225	#
		1226	# /! non-realised random map exit (special hack!)
		1227	# {... are special paths that are not being touched
		1228	# ?xxx/... are special absolute paths
		1229	# ?random/... random maps
		1230	# /... normal maps
		1231	# ~user/... per-player map of a specific user
		1232
		1233	$path =~ s/$PATH_SEP/\//go;
		1234
		1235	# treat it as relative path if it starts with
		1236	# something that looks reasonable
		1237	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1238	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1239
		1240	$base =~ s{[^/]+/?$}{};
		1241	$path = "$base/$path";
		1242	}
		1243
		1244	for ($path) {
		1245	redo if s{//}{/};
		1246	redo if s{/\.?/}{/};
		1247	redo if s{/[^/]+/\.\./}{/};
		1248	}
		1249
		1250	$path
		1251	}
		1252
		1253	sub new_from_path {
		1254	my (undef, $path, $base) = @_;
		1255
		1256	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1257
		1258	$path = normalise $path, $base;
		1259
		1260	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1261	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1262	my $self = bless cf::map::new, $pkg;
		1263	$self->{path} = $path; $self->path ($path);
		1264	$self->init; # pass $1 etc.
		1265	return $self;
		1266	}
		1267	}
		1268
		1269	Carp::carp "unable to resolve path '$path' (base '$base').";
		1270	()
		1271	}
		1272
		1273	sub init {
		1274	my ($self) = @_;
		1275
		1276	$self
		1277	}
		1278
		1279	sub as_string {
		1280	my ($self) = @_;
		1281
		1282	"$self->{path}"
		1283	}
		1284
		1285	# the displayed name, this is a one way mapping
		1286	sub visible_name {
		1287	&as_string
		1288	}
		1289
		1290	# the original (read-only) location
		1291	sub load_path {
		1292	my ($self) = @_;
		1293
		1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1295	}
		1296
		1297	# the temporary/swap location
		1298	sub save_path {
		1299	my ($self) = @_;
		1300
		1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1303	}
		1304
		1305	# the unique path, undef == no special unique path
		1306	sub uniq_path {
		1307	my ($self) = @_;
		1308
		1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1311	}
1086		1312
1087	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1088	# all maps in C++...	1314	# all maps in C++...
1089	sub change_all_map_light {	1315	sub change_all_map_light {
1090	my ($change) = @_;	1316	my ($change) = @_;
1091		1317
1092	$_->change_map_light ($change) for values %cf::MAP;	1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
1093	}	1320	}
1094		1321
		1322	sub unlink_save {
		1323	my ($self) = @_;
		1324
		1325	utf8::encode (my $save = $self->save_path);
		1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1327	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1328	}
		1329
1095	sub try_load_header($) {	1330	sub load_header_from($) {
1096	my ($path) = @_;	1331	my ($self, $path) = @_;
1097		1332
1098	utf8::encode $path;	1333	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1100	or return;	1338	or return;
1101		1339
1102	my $map = cf::map::new	1340	$self->{load_path} = $path;
		1341
		1342	1
		1343	}
		1344
		1345	sub load_header_orig {
		1346	my ($self) = @_;
		1347
		1348	$self->load_header_from ($self->load_path)
		1349	}
		1350
		1351	sub load_header_temp {
		1352	my ($self) = @_;
		1353
		1354	$self->load_header_from ($self->save_path)
		1355	}
		1356
		1357	sub prepare_temp {
		1358	my ($self) = @_;
		1359
		1360	$self->last_access ((delete $self->{last_access})
		1361	|| $cf::RUNTIME); #d#
		1362	# safety
		1363	$self->{instantiate_time} = $cf::RUNTIME
		1364	if $self->{instantiate_time} > $cf::RUNTIME;
		1365	}
		1366
		1367	sub prepare_orig {
		1368	my ($self) = @_;
		1369
		1370	$self->{load_original} = 1;
		1371	$self->{instantiate_time} = $cf::RUNTIME;
		1372	$self->last_access ($cf::RUNTIME);
		1373	$self->instantiate;
		1374	}
		1375
		1376	sub load_header {
		1377	my ($self) = @_;
		1378
		1379	if ($self->load_header_temp) {
		1380	$self->prepare_temp;
		1381	} else {
		1382	$self->load_header_orig
1103	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1104		1386
1105	$map->load_header ($path)	1387	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1388	}
1112		1389
		1390	sub find;
1113	sub find_map {	1391	sub find {
1114	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1115		1393
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1395
		1396	cf::lock_wait "map_find:$path";
		1397
1121	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1122	# do it the slow way	1399	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1400	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1401	or return;
1137		1402
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1403	$map->{last_save} = $cf::RUNTIME;
1149		1404
1150	if ($map->should_reset) {	1405	$map->load_header
		1406	or return;
		1407
		1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1409	# doing this can freeze the server in a sync job, obviously
		1410	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1411	$map->reset;
1152	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1153	}	1414	}
1154		1415
1155	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1156	}	1417	}
1157	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1158		1422
1159	sub load {	1423	sub load {
1160	my ($self) = @_;	1424	my ($self) = @_;
1161		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
		1428	my $path = $self->{path};
		1429	my $guard = cf::lock_acquire "map_load:$path";
		1430
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1432
1164	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1165		1434
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1169	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1440	or return;
1171		1441
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1443	if delete $self->{load_original};
1174		1444
1175	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1446	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1448	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1180	}	1450	}
1181	}	1451	}
		1452
		1453	Coro::cede;
1182		1454
1183	# now do the right thing for maps	1455	# now do the right thing for maps
1184	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1185		1457
1186	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1459	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1193	$self->set_darkness_map;	1463	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1196	$self->activate;	1467	$self->activate;
1197	}	1468	}
1198		1469
		1470	$self->post_load;
		1471
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1473	}
1201		1474
1202	sub load_map_sync {	1475	sub customise_for {
		1476	my ($self, $ob) = @_;
		1477
		1478	return find "~" . $ob->name . "/" . $self->{path}
		1479	if $self->per_player;
		1480
		1481	$self
		1482	}
		1483
		1484	# find and load all maps in the 3x3 area around a map
		1485	sub load_diag {
		1486	my ($map) = @_;
		1487
		1488	my @diag; # diagonal neighbours
		1489
		1490	for (0 .. 3) {
		1491	my $neigh = $map->tile_path ($_)
		1492	or next;
		1493	$neigh = find $neigh, $map
		1494	or next;
		1495	$neigh->load;
		1496
		1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1499	}
		1500
		1501	for (@diag) {
		1502	my $neigh = find @$_
		1503	or next;
		1504	$neigh->load;
		1505	}
		1506	}
		1507
		1508	sub find_sync {
1203	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1204		1510
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1206		1513
1207	cf::sync_job {	1514	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1209	or return;	1516
		1517	cf::sync_job { $map->load };
		1518	}
		1519
		1520	our %MAP_PREFETCH;
		1521	our $MAP_PREFETCHER = undef;
		1522
		1523	sub find_async {
		1524	my ($path, $origin) = @_;
		1525
		1526	$path = normalise $path, $origin && $origin->{path};
		1527
		1528	if (my $map = $cf::MAP{$path}) {
		1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1530	}
		1531
		1532	undef $MAP_PREFETCH{$path};
		1533	$MAP_PREFETCHER ||= cf::async {
		1534	while (%MAP_PREFETCH) {
		1535	for my $path (keys %MAP_PREFETCH) {
		1536	my $map = find $path
		1537	or next;
1210	$map->load;	1538	$map->load;
1211	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1212	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1213	}	1548	}
1214		1549
1215	sub save {	1550	sub save {
1216	my ($self) = @_;	1551	my ($self) = @_;
1217		1552
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1554
1221	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1222		1556
1223	return unless $self->dirty;	1557	return unless $self->dirty;
1224		1558
		1559	my $save = $self->save_path; utf8::encode $save;
		1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1561
1225	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1226		1563
1227	return if $self->{deny_save};	1564	return if $self->{deny_save};
1228		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1229	if ($uniq) {	1572	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1575	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1577	}
1235	}	1578	}
1236		1579
1237	sub swap_out {	1580	sub swap_out {
1238	my ($self) = @_;	1581	my ($self) = @_;
		1582
		1583	# save first because save cedes
		1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1587
1240	return if $self->players;	1588	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1590	return if $self->{deny_save};
1243		1591
1244	$self->save;
1245	$self->clear;	1592	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1594	}
1248		1595
1249	sub reset_at {	1596	sub reset_at {
1250	my ($self) = @_;	1597	my ($self) = @_;
1251		1598
1252	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1255		1602
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1605
…		…
1263	my ($self) = @_;	1610	my ($self) = @_;
1264		1611
1265	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1266	}	1613	}
1267		1614
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1615	sub reset {
1290	my ($self) = @_;	1616	my ($self) = @_;
1291		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1292	return if $self->players;	1620	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1294		1622
1295	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1296		1624
		1625	$self->in_memory (cf::MAP_SWAPPED);
		1626
		1627	# need to save uniques path
		1628	unless ($self->{deny_save}) {
		1629	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1630
		1631	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1632	if $uniq;
		1633	}
		1634
1297	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1298		1638
1299	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1300		1640
1301	$self->unlink_save;	1641	$self->unlink_save;
1302	$self->destroy;	1642	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1306		1646
1307	sub nuke {	1647	sub nuke {
1308	my ($self) = @_;	1648	my ($self) = @_;
1309		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1313	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1314	}	1663	}
1315		1664
1316	sub customise_for {	1665	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1666
1319	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1321	}
1322		1669
1323	$map	1670	=cut
1324	}
1325		1671
1326	sub emergency_save {	1672	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1328		1675
1329	warn "enter emergency map save\n";	1676	my @paths;
1330		1677
1331	cf::sync_job {	1678	for (@$files) {
1332	warn "begin emergency map save\n";	1679	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1334	};	1684	}
1335		1685
1336	warn "end emergency map save\n";	1686	\@paths
1337	}	1687	}
1338		1688
1339	package cf;	1689	package cf;
1340		1690
1341	=back	1691	=back
1342		1692
		1693	=head3 cf::object
		1694
		1695	=cut
		1696
		1697	package cf::object;
		1698
		1699	=over 4
		1700
		1701	=item $ob->inv_recursive
		1702
		1703	Returns the inventory of the object _and_ their inventories, recursively.
		1704
		1705	=cut
		1706
		1707	sub inv_recursive_;
		1708	sub inv_recursive_ {
		1709	map { $_, inv_recursive_ $_->inv } @_
		1710	}
		1711
		1712	sub inv_recursive {
		1713	inv_recursive_ inv $_[0]
		1714	}
		1715
		1716	package cf;
		1717
		1718	=back
1343		1719
1344	=head3 cf::object::player	1720	=head3 cf::object::player
1345		1721
1346	=over 4	1722	=over 4
1347		1723
…		…
1383	(ref $cf::CFG{"may_$access"}	1759	(ref $cf::CFG{"may_$access"}
1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1760	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1385	: $cf::CFG{"may_$access"})	1761	: $cf::CFG{"may_$access"})
1386	}	1762	}
1387		1763
		1764	=item $player_object->enter_link
		1765
		1766	Freezes the player and moves him/her to a special map (C<{link}>).
		1767
		1768	The player should be reasonably safe there for short amounts of time. You
		1769	I<MUST> call C<leave_link> as soon as possible, though.
		1770
		1771	Will never block.
		1772
		1773	=item $player_object->leave_link ($map, $x, $y)
		1774
		1775	Moves the player out of the special C<{link}> map onto the specified
		1776	map. If the map is not valid (or omitted), the player will be moved back
		1777	to the location he/she was before the call to C<enter_link>, or, if that
		1778	fails, to the emergency map position.
		1779
		1780	Might block.
		1781
		1782	=cut
		1783
		1784	sub link_map {
		1785	unless ($LINK_MAP) {
		1786	$LINK_MAP = cf::map::find "{link}"
		1787	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1788	$LINK_MAP->load;
		1789	}
		1790
		1791	$LINK_MAP
		1792	}
		1793
1388	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1389	my ($self) = @_;	1795	my ($self) = @_;
1390		1796
1391	return if $self->map == $LINK_MAP;	1797	$self->deactivate_recursive;
1392		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1394	if $self->map;	1802	if $self->map;
1395		1803
1396	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1397	$self->deactivate_recursive;
1398	}	1805	}
1399		1806
1400	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1401	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1402		1809
1403	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1404		1811
1405	unless ($map) {	1812	unless ($map) {
1406	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1407
1408	# restore original map position	1813	# restore original map position
1409	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1410	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1411		1816
1412	unless ($map) {	1817	unless ($map) {
1413	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1414	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1415	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1416	}	1821	}
1417	}	1822	}
1418		1823
1419	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1422	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1423	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1424	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1425		1830
1426	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1427		1833
		1834	return unless $self->contr->active;
1428	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1429	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1430	}	1839	}
1431		1840
		1841	cf::player->attach (
		1842	on_logout => sub {
		1843	my ($pl) = @_;
		1844
		1845	# abort map switching before logout
		1846	if ($pl->ob->{_link_pos}) {
		1847	cf::sync_job {
		1848	$pl->ob->leave_link
		1849	};
		1850	}
		1851	},
		1852	on_login => sub {
		1853	my ($pl) = @_;
		1854
		1855	# try to abort aborted map switching on player login :)
		1856	# should happen only on crashes
		1857	if ($pl->ob->{_link_pos}) {
		1858	$pl->ob->enter_link;
		1859	(async {
		1860	$pl->ob->reply (undef,
		1861	"There was an internal problem at your last logout, "
		1862	. "the server will try to bring you to your intended destination in a second.",
		1863	cf::NDI_RED);
		1864	# we need this sleep as the login has a concurrent enter_exit running
		1865	# and this sleep increases chances of the player not ending up in scorn
		1866	Coro::Timer::sleep 1;
		1867	$pl->ob->leave_link;
		1868	})->prio (2);
		1869	}
		1870	},
		1871	);
		1872
1432	=item $player_object->goto_map ($map, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1433		1874
1434	=cut	1875	=cut
1435		1876
1436	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1437	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1438		1879
1439	$self->enter_link;	1880	$self->enter_link;
1440		1881
1441	(Coro::async {	1882	(async {
1442	$path = new cf::path $path;	1883	my $map = eval {
1443
1444	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1445	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1446
1447	warn "entering ", $map->path, " at ($x, $y)\n"
1448	if $map;	1886	$map
		1887	} or
		1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1449		1889
1450	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1451	})->prio (1);	1891	})->prio (1);
1452	}	1892	}
1453		1893
…		…
1457		1897
1458	sub parse_random_map_params {	1898	sub parse_random_map_params {
1459	my ($spec) = @_;	1899	my ($spec) = @_;
1460		1900
1461	my $rmp = { # defaults	1901	my $rmp = { # defaults
1462	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1463	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1464	};	1906	};
1465		1907
1466	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1467	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1468		1910
…		…
1472	$rmp	1914	$rmp
1473	}	1915	}
1474		1916
1475	sub prepare_random_map {	1917	sub prepare_random_map {
1476	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1477		1921
1478	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1479	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1480	# that depends on the exit object	1924	# that depends on the exit object
1481		1925
1482	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1483		1927
1484	if ($exit->map) {	1928	if ($exit->map) {
1485	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1486	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1487	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1488	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1489	}	1933	}
1490		1934
1491	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1492		1936
1493	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1494	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1495		1940
1496	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1497	aio_write $fh, 0, (length $data), $data, 0;	1942	aio_write $fh, 0, (length $data), $data, 0;
		1943	undef $fh;
		1944	aio_rename "$meta~", $meta;
1498		1945
1499	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1500	$exit->msg (undef);	1947	$exit->msg (undef);
1501	}	1948	}
1502	}	1949	}
…		…
1504	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1505	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1506		1953
1507	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1508		1955
		1956	if ($exit->slaying eq "/!") {
		1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1958	cf::sync_job { prepare_random_map $exit };
		1959	}
		1960
		1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1962	my $hp = $exit->stats->hp;
		1963	my $sp = $exit->stats->sp;
		1964
1509	$self->enter_link;	1965	$self->enter_link;
1510		1966
1511	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1512	unless (eval {	1969	unless (eval {
1513		1970	$self->goto ($slaying, $hp, $sp);
1514	prepare_random_map $exit
1515	if $exit->slaying eq "/!";
1516
1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1519		1971
1520	1;	1972	1;
1521	}) {	1973	}) {
1522	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1523	. "I'll try to bring you back to the map you were before. "	1975	. "I'll try to bring you back to the map you were before. "
1524	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1525	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1526		1978
1527	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1528	$self->leave_link;	1980	$self->leave_link;
1529	}	1981	}
…		…
1543		1995
1544	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1545	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1546		1998
1547	utf8::encode $text;	1999	utf8::encode $text;
1548	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1549	}	2001	}
1550		2002
1551		2003
1552	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1553		2005
…		…
1580	on_reply => sub {	2032	on_reply => sub {
1581	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1582		2034
1583	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1584	# get handled first	2036	# get handled first
1585	my $queue = delete $ns->{query_queue};	2037	my $queue = delete $ns->{query_queue}
		2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1586		2039
1587	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1588		2042
1589	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1590		2044
1591	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1592	if (@$queue) {	2046	if (@$queue) {
…		…
1596	}	2050	}
1597	}	2051	}
1598	},	2052	},
1599	);	2053	);
1600		2054
1601	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1602		2056
1603	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1604	be automatically cancelled when the client gets destroyed (e.g. on logout,	2058	be automatically cancelled when the client gets destroyed (e.g. on logout,
1605	or loss of connection).	2059	or loss of connection).
1606		2060
1607	=cut	2061	=cut
1608		2062
1609	sub cf::client::coro {	2063	sub cf::client::async {
1610	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1611		2065
1612	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1613	eval {
1614	$cb->();
1615	};
1616	warn $@ if $@;
1617	};
1618		2067
1619	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1620	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1621	});	2070	});
1622		2071
…		…
1758	The parameter C<$family> should best start with the name of the extension	2207	The parameter C<$family> should best start with the name of the extension
1759	using it, it should be unique.	2208	using it, it should be unique.
1760		2209
1761	=over 4	2210	=over 4
1762		2211
1763	=item $hashref = cf::db_get $family
1764
1765	Return a hashref for use by the extension C<$family>, which can be
1766	modified. After modifications, you have to call C<cf::db_dirty> or
1767	C<cf::db_sync>.
1768
1769	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1770		2213
1771	Returns a single value from the database	2214	Returns a single value from the database.
1772
1773	=item cf::db_put $family => $hashref
1774
1775	Stores the given family hashref into the database. Updates are delayed, if
1776	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1777		2215
1778	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1779		2217
1780	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1781	want the data to be synced to disk immediately, use C<cf::db_sync>.
1782
1783	=item cf::db_dirty
1784
1785	Marks the database as dirty, to be updated at a later time.
1786
1787	=item cf::db_sync
1788
1789	Immediately write the database to disk I<if it is dirty>.
1790		2219
1791	=cut	2220	=cut
1792		2221
1793	our $DB;	2222	our $DB;
1794		2223
1795	{	2224	sub db_init {
		2225	unless ($DB) {
		2226	$DB = BDB::db_create $DB_ENV;
		2227
		2228	cf::sync_job {
		2229	eval {
		2230	$DB->set_flags (BDB::CHKSUM);
		2231
		2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2234	cf::cleanup "db_open(db): $!" if $!;
		2235	};
		2236	cf::cleanup "db_open(db): $@" if $@;
		2237	};
		2238
1796	my $path = cf::localdir . "/database.pst";	2239	my $path = cf::localdir . "/database.pst";
		2240	if (stat $path) {
		2241	cf::sync_job {
		2242	my $pst = Storable::retrieve $path;
1797		2243
1798	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1799	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1800	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1801	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1802		2248
1803	my $pid;	2249	unlink $path;
1804
1805	sub db_save() {
1806	warn "saving database $path\n";#d# remove later
1807	waitpid $pid, 0 if $pid;
1808	if (0 == ($pid = fork)) {
1809	$DB->{_meta}{version} = 1;
1810	Storable::nstore $DB, "$path~";
1811	rename "$path~", $path;
1812	cf::_exit 0 if defined $pid;
1813	}	2250	};
1814	}	2251	}
1815
1816	my $dirty;
1817
1818	sub db_sync() {
1819	db_save if $dirty;
1820	undef $dirty;
1821	}
1822
1823	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1824	db_sync;
1825	});	2252	}
		2253	}
1826		2254
1827	sub db_dirty() {
1828	$dirty = 1;
1829	$idle->start;
1830	}
1831
1832	sub db_get($;$) {	2255	sub db_get($$) {
1833	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1834	? $DB->{$_[0]}{$_[1]}
1835	: ($DB->{$_[0]} ||= { })
1836	}
1837		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1838	sub db_put($$;$) {	2266	sub db_put($$$) {
1839	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1840	$DB->{$_[0]}{$_[1]} = $_[2];	2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2269	}
		2270
		2271	#############################################################################
		2272	# the server's init and main functions
		2273
		2274	sub load_faces {
		2275	my $path = sprintf "%s/faces", cf::datadir;
		2276
		2277	warn "loading faces from $path\n";
		2278
		2279	my $faces;
		2280	0 < aio_load $path, $faces
		2281	or die "$path: $!";
		2282
		2283	Coro::cede;
		2284	$faces = Storable::thaw $faces;
		2285	Coro::cede;
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2291	Coro::cede;
		2292	}
		2293
		2294	while (my ($face, $info) = each %$faces) {
		2295	next unless $info->{smooth};
		2296	my $idx = cf::face::find $face
		2297	or next;
		2298	if (my $smooth = cf::face::find $info->{smooth}) {
		2299	cf::face::set_smooth $idx, $smooth;
		2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
1841	} else {	2301	} else {
1842	$DB->{$_[0]} = $_[1];	2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
1843	}
1844	db_dirty;
1845	}
1846
1847	cf::global->attach (
1848	prio => 10000,
1849	on_cleanup => sub {
1850	db_sync;
1851	},	2303	}
1852	);	2304	Coro::cede;
1853	}	2305	}
1854		2306
1855	#############################################################################	2307	1
1856	# the server's main()	2308	}
		2309
		2310	sub reload_resources {
		2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2312	or die "unable to load regions file\n";#d#
		2313	load_faces
		2314	or die "unable to load faces\n";#d#
		2315	}
		2316
		2317	sub init {
		2318	reload_resources;
		2319	}
1857		2320
1858	sub cfg_load {	2321	sub cfg_load {
1859	open my $fh, "<:utf8", cf::confdir . "/config"	2322	open my $fh, "<:utf8", cf::confdir . "/config"
1860	or return;	2323	or return;
1861		2324
1862	local $/;	2325	local $/;
1863	*CFG = YAML::Syck::Load <$fh>;	2326	*CFG = YAML::Syck::Load <$fh>;
		2327
		2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2329
		2330	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2331	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2332
		2333	if (exists $CFG{mlockall}) {
		2334	eval {
		2335	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2336	and die "WARNING: m(un)lockall failed: $!\n";
		2337	};
		2338	warn $@ if $@;
		2339	}
1864	}	2340	}
1865		2341
1866	sub main {	2342	sub main {
1867	# we must not ever block the main coroutine	2343	# we must not ever block the main coroutine
1868	local $Coro::idle = sub {	2344	local $Coro::idle = sub {
1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1870	(Coro::unblock_sub {	2346	(async {
1871	Event::one_event;	2347	Event::one_event;
1872	})->();	2348	})->prio (Coro::PRIO_MAX);
1873	};	2349	};
1874		2350
1875	cfg_load;	2351	cfg_load;
1876	db_load;	2352	db_init;
1877	load_extensions;	2353	load_extensions;
		2354
		2355	$TICK_WATCHER->start;
1878	Event::loop;	2356	Event::loop;
1879	}	2357	}
1880		2358
1881	#############################################################################	2359	#############################################################################
1882	# initialisation	2360	# initialisation and cleanup
		2361
		2362	# install some emergency cleanup handlers
		2363	BEGIN {
		2364	for my $signal (qw(INT HUP TERM)) {
		2365	Event->signal (
		2366	reentrant => 0,
		2367	data => WF_AUTOCANCEL,
		2368	signal => $signal,
		2369	prio => 0,
		2370	cb => sub {
		2371	cf::cleanup "SIG$signal";
		2372	},
		2373	);
		2374	}
		2375	}
		2376
		2377	sub emergency_save() {
		2378	my $freeze_guard = cf::freeze_mainloop;
		2379
		2380	warn "enter emergency perl save\n";
		2381
		2382	cf::sync_job {
		2383	# use a peculiar iteration method to avoid tripping on perl
		2384	# refcount bugs in for. also avoids problems with players
		2385	# and maps saved/destroyed asynchronously.
		2386	warn "begin emergency player save\n";
		2387	for my $login (keys %cf::PLAYER) {
		2388	my $pl = $cf::PLAYER{$login} or next;
		2389	$pl->valid or next;
		2390	$pl->save;
		2391	}
		2392	warn "end emergency player save\n";
		2393
		2394	warn "begin emergency map save\n";
		2395	for my $path (keys %cf::MAP) {
		2396	my $map = $cf::MAP{$path} or next;
		2397	$map->valid or next;
		2398	$map->save;
		2399	}
		2400	warn "end emergency map save\n";
		2401
		2402	warn "begin emergency database checkpoint\n";
		2403	BDB::db_env_txn_checkpoint $DB_ENV;
		2404	warn "end emergency database checkpoint\n";
		2405	};
		2406
		2407	warn "leave emergency perl save\n";
		2408	}
		2409
		2410	sub post_cleanup {
		2411	my ($make_core) = @_;
		2412
		2413	warn Carp::longmess "post_cleanup backtrace"
		2414	if $make_core;
		2415	}
1883		2416
1884	sub reload() {	2417	sub reload() {
1885	# can/must only be called in main	2418	# can/must only be called in main
1886	if ($Coro::current != $Coro::main) {	2419	if ($Coro::current != $Coro::main) {
1887	warn "can only reload from main coroutine\n";	2420	warn "can only reload from main coroutine";
1888	return;	2421	return;
1889	}	2422	}
1890		2423
1891	warn "reloading...";	2424	warn "reloading...";
1892		2425
1893	local $FREEZE = 1;	2426	warn "entering sync_job";
		2427
		2428	cf::sync_job {
		2429	cf::write_runtime; # external watchdog should not bark
1894	cf::emergency_save;	2430	cf::emergency_save;
		2431	cf::write_runtime; # external watchdog should not bark
1895		2432
1896	eval {	2433	warn "syncing database to disk";
		2434	BDB::db_env_txn_checkpoint $DB_ENV;
		2435
1897	# if anything goes wrong in here, we should simply crash as we already saved	2436	# if anything goes wrong in here, we should simply crash as we already saved
1898		2437
1899	# cancel all watchers	2438	warn "cancelling all WF_AUTOCANCEL watchers";
1900	for (Event::all_watchers) {	2439	for (Event::all_watchers) {
1901	$_->cancel if $_->data & WF_AUTOCANCEL;	2440	$_->cancel if $_->data & WF_AUTOCANCEL;
1902	}	2441	}
1903		2442
		2443	warn "flushing outstanding aio requests";
		2444	for (;;) {
		2445	BDB::flush;
		2446	IO::AIO::flush;
		2447	Coro::cede;
		2448	last unless IO::AIO::nreqs || BDB::nreqs;
		2449	warn "iterate...";
		2450	}
		2451
		2452	++$RELOAD;
		2453
1904	# cancel all extension coros	2454	warn "cancelling all extension coros";
1905	$_->cancel for values %EXT_CORO;	2455	$_->cancel for values %EXT_CORO;
1906	%EXT_CORO = ();	2456	%EXT_CORO = ();
1907		2457
1908	# unload all extensions	2458	warn "removing commands";
1909	for (@exts) {	2459	%COMMAND = ();
		2460
		2461	warn "removing ext commands";
		2462	%EXTCMD = ();
		2463
		2464	warn "unloading/nuking all extensions";
		2465	for my $pkg (@EXTS) {
1910	warn "unloading <$_>";	2466	warn "... unloading $pkg";
1911	unload_extension $_;	2467
		2468	if (my $cb = $pkg->can ("unload")) {
		2469	eval {
		2470	$cb->($pkg);
		2471	1
		2472	} or warn "$pkg unloaded, but with errors: $@";
1912	}	2473	}
1913		2474
		2475	warn "... nuking $pkg";
		2476	Symbol::delete_package $pkg;
		2477	}
		2478
1914	# unload all modules loaded from $LIBDIR	2479	warn "unloading all perl modules loaded from $LIBDIR";
1915	while (my ($k, $v) = each %INC) {	2480	while (my ($k, $v) = each %INC) {
1916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1917		2482
1918	warn "removing <$k>";	2483	warn "... unloading $k";
1919	delete $INC{$k};	2484	delete $INC{$k};
1920		2485
1921	$k =~ s/\.pm$//;	2486	$k =~ s/\.pm$//;
1922	$k =~ s/\//::/g;	2487	$k =~ s/\//::/g;
1923		2488
…		…
1926	}	2491	}
1927		2492
1928	Symbol::delete_package $k;	2493	Symbol::delete_package $k;
1929	}	2494	}
1930		2495
1931	# sync database to disk
1932	cf::db_sync;
1933	IO::AIO::flush;
1934
1935	# get rid of safe::, as good as possible	2496	warn "getting rid of safe::, as good as possible";
1936	Symbol::delete_package "safe::$_"	2497	Symbol::delete_package "safe::$_"
1937	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1938		2499
1939	# remove register_script_function callbacks
1940	# TODO
1941
1942	# unload cf.pm "a bit"	2500	warn "unloading cf.pm \"a bit\"";
1943	delete $INC{"cf.pm"};	2501	delete $INC{"cf.pm"};
1944		2502
1945	# don't, removes xs symbols, too,	2503	# don't, removes xs symbols, too,
1946	# and global variables created in xs	2504	# and global variables created in xs
1947	#Symbol::delete_package __PACKAGE__;	2505	#Symbol::delete_package __PACKAGE__;
1948		2506
1949	# reload cf.pm	2507	warn "unload completed, starting to reload now";
		2508
1950	warn "reloading cf.pm";	2509	warn "reloading cf.pm";
1951	require cf;	2510	require cf;
1952	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1953		2512
1954	# load config and database again	2513	warn "loading config and database again";
1955	cf::cfg_load;	2514	cf::cfg_load;
1956	cf::db_load;
1957		2515
1958	# load extensions
1959	warn "load extensions";	2516	warn "loading extensions";
1960	cf::load_extensions;	2517	cf::load_extensions;
1961		2518
1962	# reattach attachments to objects	2519	warn "reattaching attachments to objects/players";
1963	warn "reattach";	2520	_global_reattach; # objects, sockets
1964	_global_reattach;	2521	warn "reattaching attachments to maps";
1965	};	2522	reattach $_ for values %MAP;
		2523	warn "reattaching attachments to players";
		2524	reattach $_ for values %PLAYER;
1966		2525
1967	if ($@) {	2526	warn "loading reloadable resources";
		2527	reload_resources;
		2528
		2529	warn "leaving sync_job";
		2530
		2531	1
		2532	} or do {
1968	warn $@;	2533	warn $@;
1969	warn "error while reloading, exiting.";	2534	warn "error while reloading, exiting.";
1970	exit 1;	2535	exit 1;
1971	}	2536	};
1972		2537
1973	warn "reloaded successfully";	2538	warn "reloaded";
1974	};	2539	};
1975		2540
1976	#############################################################################	2541	our $RELOAD_WATCHER; # used only during reload
1977
1978	unless ($LINK_MAP) {
1979	$LINK_MAP = cf::map::new;
1980
1981	$LINK_MAP->width (41);
1982	$LINK_MAP->height (41);
1983	$LINK_MAP->alloc;
1984	$LINK_MAP->path ("{link}");
1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1987
1988	# dirty hack because... archetypes are not yet loaded
1989	Event->timer (
1990	after => 2,
1991	cb => sub {
1992	$_[0]->w->cancel;
1993
1994	# provide some exits "home"
1995	my $exit = cf::object::new "exit";
1996
1997	$exit->slaying ($EMERGENCY_POSITION->[0]);
1998	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1999	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2000
2001	$LINK_MAP->insert ($exit->clone, 19, 19);
2002	$LINK_MAP->insert ($exit->clone, 19, 20);
2003	$LINK_MAP->insert ($exit->clone, 19, 21);
2004	$LINK_MAP->insert ($exit->clone, 20, 19);
2005	$LINK_MAP->insert ($exit->clone, 20, 21);
2006	$LINK_MAP->insert ($exit->clone, 21, 19);
2007	$LINK_MAP->insert ($exit->clone, 21, 20);
2008	$LINK_MAP->insert ($exit->clone, 21, 21);
2009
2010	$exit->destroy;
2011	});
2012
2013	$LINK_MAP->{deny_save} = 1;
2014	$LINK_MAP->{deny_reset} = 1;
2015
2016	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2017	}
2018
2019	register "<global>", __PACKAGE__;
2020		2542
2021	register_command "reload" => sub {	2543	register_command "reload" => sub {
2022	my ($who, $arg) = @_;	2544	my ($who, $arg) = @_;
2023		2545
2024	if ($who->flag (FLAG_WIZ)) {	2546	if ($who->flag (FLAG_WIZ)) {
2025	$who->message ("start of reload.");	2547	$who->message ("reloading server.");
		2548
		2549	# doing reload synchronously and two reloads happen back-to-back,
		2550	# coro crashes during coro_state_free->destroy here.
		2551
		2552	$RELOAD_WATCHER ||= Event->timer (
		2553	reentrant => 0,
		2554	after => 0,
		2555	data => WF_AUTOCANCEL,
		2556	cb => sub {
2026	reload;	2557	reload;
2027	$who->message ("end of reload.");	2558	undef $RELOAD_WATCHER;
		2559	},
		2560	);
2028	}	2561	}
2029	};	2562	};
2030		2563
2031	unshift @INC, $LIBDIR;	2564	unshift @INC, $LIBDIR;
		2565
		2566	my $bug_warning = 0;
2032		2567
2033	$TICK_WATCHER = Event->timer (	2568	$TICK_WATCHER = Event->timer (
2034	reentrant => 0,	2569	reentrant => 0,
		2570	parked => 1,
2035	prio => 0,	2571	prio => 0,
2036	at => $NEXT_TICK || $TICK,	2572	at => $NEXT_TICK || $TICK,
2037	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2038	cb => sub {	2574	cb => sub {
2039	unless ($FREEZE) {	2575	if ($Coro::current != $Coro::main) {
		2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2577	unless ++$bug_warning > 10;
		2578	return;
		2579	}
		2580
		2581	$NOW = Event::time;
		2582
2040	cf::server_tick; # one server iteration	2583	cf::server_tick; # one server iteration
2041	$RUNTIME += $TICK;	2584	$RUNTIME += $TICK;
2042	}
2043
2044	$NEXT_TICK += $TICK;	2585	$NEXT_TICK += $TICK;
		2586
		2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2588	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2589	Coro::async_pool {
		2590	write_runtime
		2591	or warn "ERROR: unable to write runtime file: $!";
		2592	};
		2593	}
		2594
		2595	$WAIT_FOR_TICK->broadcast;
		2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2597
		2598	# my $AFTER = Event::time;
		2599	# warn $AFTER - $NOW;#d#
2045		2600
2046	# if we are delayed by four ticks or more, skip them all	2601	# if we are delayed by four ticks or more, skip them all
2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2048		2603
2049	$TICK_WATCHER->at ($NEXT_TICK);	2604	$TICK_WATCHER->at ($NEXT_TICK);
2050	$TICK_WATCHER->start;	2605	$TICK_WATCHER->start;
2051	},	2606	},
2052	);	2607	);
2053		2608
		2609	{
2054	IO::AIO::max_poll_time $TICK * 0.2;	2610	BDB::max_poll_time $TICK * 0.1;
2055		2611	$BDB_POLL_WATCHER = Event->io (
2056	Event->io (	2612	reentrant => 0,
2057	fd => IO::AIO::poll_fileno,	2613	fd => BDB::poll_fileno,
2058	poll => 'r',	2614	poll => 'r',
2059	prio => 5,	2615	prio => 0,
2060	data => WF_AUTOCANCEL,
2061	cb => \&IO::AIO::poll_cb,
2062	);
2063
2064	Event->timer (
2065	data => WF_AUTOCANCEL,	2616	data => WF_AUTOCANCEL,
2066	after => 0,	2617	cb => \&BDB::poll_cb,
2067	interval => 10,	2618	);
2068	cb => sub {	2619	BDB::min_parallel 8;
2069	(Coro::unblock_sub {	2620
2070	write_runtime	2621	BDB::set_sync_prepare {
2071	or warn "ERROR: unable to write runtime file: $!";	2622	my $status;
		2623	my $current = $Coro::current;
		2624	(
		2625	sub {
		2626	$status = $!;
		2627	$current->ready; undef $current;
		2628	},
		2629	sub {
		2630	Coro::schedule while defined $current;
		2631	$! = $status;
		2632	},
		2633	)
		2634	};
		2635
		2636	unless ($DB_ENV) {
		2637	$DB_ENV = BDB::db_env_create;
		2638
		2639	cf::sync_job {
		2640	eval {
		2641	BDB::db_env_open
		2642	$DB_ENV,
		2643	$BDB_ENV_DIR,
		2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2646	0666;
		2647
		2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2649
		2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2651	$DB_ENV->set_lk_detect;
		2652	};
		2653
		2654	cf::cleanup "db_env_open(db): $@" if $@;
2072	})->();	2655	};
2073	},	2656	}
2074	);	2657	}
		2658
		2659	{
		2660	IO::AIO::min_parallel 8;
		2661
		2662	undef $Coro::AIO::WATCHER;
		2663	IO::AIO::max_poll_time $TICK * 0.1;
		2664	$AIO_POLL_WATCHER = Event->io (
		2665	reentrant => 0,
		2666	data => WF_AUTOCANCEL,
		2667	fd => IO::AIO::poll_fileno,
		2668	poll => 'r',
		2669	prio => 6,
		2670	cb => \&IO::AIO::poll_cb,
		2671	);
		2672	}
		2673
		2674	END { cf::emergency_save }
2075		2675
2076	1	2676	1
2077		2677

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