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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.117 by root, Mon Jan 1 17:50:26 2007 UTC vs.
Revision 1.226 by root, Wed Mar 14 04:12:29 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_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1404
1151	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;
1152	$map->reset;	1411	$map->reset;
1153	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1154	}	1414	}
1155		1415
1156	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1157	}	1417	}
1158	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1159		1422
1160	sub load {	1423	sub load {
1161	my ($self) = @_;	1424	my ($self) = @_;
1162		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
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1432
1165	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1166		1434
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1170	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1440	or return;
1172		1441
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1443	if delete $self->{load_original};
1175		1444
1176	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1446	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1448	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1181	}	1450	}
1182	}	1451	}
		1452
		1453	Coro::cede;
1183		1454
1184	# now do the right thing for maps	1455	# now do the right thing for maps
1185	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1186		1457
1187	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1459	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1194	$self->set_darkness_map;	1463	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1197	$self->activate;	1467	$self->activate;
1198	}	1468	}
1199		1469
		1470	$self->post_load;
		1471
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1473	}
1202		1474
1203	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 {
1204	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1205		1510
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1207		1513
1208	cf::sync_job {	1514	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1210	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;
1211	$map->load;	1538	$map->load;
1212	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1213	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1214	}	1548	}
1215		1549
1216	sub save {	1550	sub save {
1217	my ($self) = @_;	1551	my ($self) = @_;
1218		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1219	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1220		1556
1221	return unless $self->dirty;	1557	return unless $self->dirty;
1222		1558
1223	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1224	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1225		1561
1226	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1227		1563
1228	return if $self->{deny_save};	1564	return if $self->{deny_save};
1229		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1230	if ($uniq) {	1572	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1575	} else {
1234	$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);
1235	}	1577	}
1236	}	1578	}
1237		1579
1238	sub swap_out {	1580	sub swap_out {
1239	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;
1240		1587
1241	return if $self->players;	1588	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1590	return if $self->{deny_save};
1244		1591
1245	$self->save;
1246	$self->clear;	1592	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1594	}
1249		1595
1250	sub reset_at {	1596	sub reset_at {
1251	my ($self) = @_;	1597	my ($self) = @_;
1252		1598
1253	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1256		1602
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	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;
1259		1605
…		…
1264	my ($self) = @_;	1610	my ($self) = @_;
1265		1611
1266	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1267	}	1613	}
1268		1614
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1615	sub reset {
1291	my ($self) = @_;	1616	my ($self) = @_;
1292		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1293	return if $self->players;	1620	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1295		1622
1296	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1297		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
1298	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1299		1638
1300	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1301		1640
1302	$self->unlink_save;	1641	$self->unlink_save;
1303	$self->destroy;	1642	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1307		1646
1308	sub nuke {	1647	sub nuke {
1309	my ($self) = @_;	1648	my ($self) = @_;
1310		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1314	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1315	}	1663	}
1316		1664
1317	sub customise_for {	1665	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1666
1320	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1322	}
1323		1669
1324	$map	1670	=cut
1325	}
1326		1671
1327	sub emergency_save {	1672	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1329		1675
1330	warn "enter emergency map save\n";	1676	my @paths;
1331		1677
1332	cf::sync_job {	1678	for (@$files) {
1333	warn "begin emergency map save\n";	1679	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1335	};	1684	}
1336		1685
1337	warn "end emergency map save\n";	1686	\@paths
1338	}	1687	}
1339		1688
1340	package cf;	1689	package cf;
1341		1690
1342	=back	1691	=back
1343		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
1344		1719
1345	=head3 cf::object::player	1720	=head3 cf::object::player
1346		1721
1347	=over 4	1722	=over 4
1348		1723
…		…
1388		1763
1389	=item $player_object->enter_link	1764	=item $player_object->enter_link
1390		1765
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1766	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1767
1393	The player should be reaosnably safe there for short amounts of time. You	1768	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1395		1770
		1771	Will never block.
		1772
1396	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1397		1774
1398	Moves the player out of the specila link map onto the given map. If the	1775	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1776	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1777	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1778	fails, to the emergency map position.
1402		1779
1403	Might block.	1780	Might block.
1404		1781
1405	=cut	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	}
1406		1793
1407	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1795	my ($self) = @_;
1409		1796
1410	return if $self->map == $LINK_MAP;	1797	$self->deactivate_recursive;
1411		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1802	if $self->map;
1414		1803
1415	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1805	}
1418		1806
1419	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1421		1809
1422	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1423		1811
1424	unless ($map) {	1812	unless ($map) {
1425	# restore original map position	1813	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1428		1816
1429	unless ($map) {	1817	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1433	}	1821	}
1434	}	1822	}
1435		1823
1436	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1442		1830
1443	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1444		1833
		1834	return unless $self->contr->active;
1445	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1447	}	1839	}
1448		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
1449	=item $player_object->goto_map ($map, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1450		1874
1451	=cut	1875	=cut
1452		1876
1453	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1455		1879
1456	$self->enter_link;	1880	$self->enter_link;
1457		1881
1458	(Coro::async {	1882	(async {
1459	$path = new cf::path $path;	1883	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1886	$map
1466		1887	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1889
1469	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1891	})->prio (1);
1471	}	1892	}
1472		1893
…		…
1476		1897
1477	sub parse_random_map_params {	1898	sub parse_random_map_params {
1478	my ($spec) = @_;	1899	my ($spec) = @_;
1479		1900
1480	my $rmp = { # defaults	1901	my $rmp = { # defaults
1481	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1483	};	1906	};
1484		1907
1485	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1487		1910
…		…
1491	$rmp	1914	$rmp
1492	}	1915	}
1493		1916
1494	sub prepare_random_map {	1917	sub prepare_random_map {
1495	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1921
1497	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1924	# that depends on the exit object
1500		1925
1501	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1502		1927
1503	if ($exit->map) {	1928	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1508	}	1933	}
1509		1934
1510	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1511		1936
1512	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1940
1515	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) {
1516	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;
1517		1945
1518	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	1947	$exit->msg (undef);
1520	}	1948	}
1521	}	1949	}
…		…
1523	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1525		1953
1526	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1527		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
1528	$self->enter_link;	1965	$self->enter_link;
1529		1966
1530	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	1969	unless (eval {
1532		1970	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		1971
1539	1;	1972	1;
1540	}) {	1973	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "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. "
1543	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1545		1978
1546	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	1980	$self->leave_link;
1548	}	1981	}
…		…
1562		1995
1563	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1565		1998
1566	utf8::encode $text;	1999	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2001	}
1569		2002
1570		2003
1571	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1572		2005
…		…
1599	on_reply => sub {	2032	on_reply => sub {
1600	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1601		2034
1602	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1603	# get handled first	2036	# get handled first
1604	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
1605		2039
1606	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2042
1608	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1609		2044
1610	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2046	if (@$queue) {
…		…
1615	}	2050	}
1616	}	2051	}
1617	},	2052	},
1618	);	2053	);
1619		2054
1620	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1621		2056
1622	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1623	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,
1624	or loss of connection).	2059	or loss of connection).
1625		2060
1626	=cut	2061	=cut
1627		2062
1628	sub cf::client::coro {	2063	sub cf::client::async {
1629	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1630		2065
1631	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2067
1638	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1640	});	2070	});
1641		2071
…		…
1777	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
1778	using it, it should be unique.	2208	using it, it should be unique.
1779		2209
1780	=over 4	2210	=over 4
1781		2211
1782	=item $hashref = cf::db_get $family
1783
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1789		2213
1790	Returns a single value from the database	2214	Returns a single value from the database.
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796		2215
1797	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1798		2217
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809		2219
1810	=cut	2220	=cut
1811		2221
1812	our $DB;	2222	our $DB;
1813		2223
1814	{	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
1815	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;
1816		2243
1817	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1818	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1819	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1820	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1821		2248
1822	my $pid;	2249	unlink $path;
1823
1824	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}	2250	};
1833	}	2251	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});	2252	}
		2253	}
1845		2254
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {	2255	sub db_get($$) {
1852	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1857	sub db_put($$;$) {	2266	sub db_put($$$) {
1858	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1859	$DB->{$_[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	my $meta = delete $faces->{""};
		2288	$meta->{version} == 1
		2289	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2290
		2291	while (my ($face, $info) = each %$faces) {
		2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2295	Coro::cede;
		2296	}
		2297
		2298	while (my ($face, $info) = each %$faces) {
		2299	next unless $info->{smooth};
		2300	my $idx = cf::face::find $face
		2301	or next;
		2302	if (my $smooth = cf::face::find $info->{smooth}) {
		2303	cf::face::set_smooth $idx, $smooth;
1860	} else {	2304	} else {
1861	$DB->{$_[0]} = $_[1];	2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2306	}
1871	);	2307	Coro::cede;
1872	}	2308	}
1873		2309
1874	#############################################################################	2310	1
1875	# the server's main()	2311	}
		2312
		2313	sub reload_resources {
		2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2315	or die "unable to load regions file\n";#d#
		2316	load_faces
		2317	or die "unable to load faces\n";#d#
		2318	}
		2319
		2320	sub init {
		2321	reload_resources;
		2322	}
1876		2323
1877	sub cfg_load {	2324	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2325	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2326	or return;
1880		2327
1881	local $/;	2328	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2329	*CFG = YAML::Syck::Load <$fh>;
		2330
		2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2332
		2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2335
		2336	if (exists $CFG{mlockall}) {
		2337	eval {
		2338	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2339	and die "WARNING: m(un)lockall failed: $!\n";
		2340	};
		2341	warn $@ if $@;
		2342	}
1883	}	2343	}
1884		2344
1885	sub main {	2345	sub main {
1886	# we must not ever block the main coroutine	2346	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2347	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2349	(async {
1890	Event::one_event;	2350	Event::one_event;
1891	})->();	2351	})->prio (Coro::PRIO_MAX);
1892	};	2352	};
1893		2353
1894	cfg_load;	2354	cfg_load;
1895	db_load;	2355	db_init;
1896	load_extensions;	2356	load_extensions;
		2357
		2358	$TICK_WATCHER->start;
1897	Event::loop;	2359	Event::loop;
1898	}	2360	}
1899		2361
1900	#############################################################################	2362	#############################################################################
1901	# initialisation	2363	# initialisation and cleanup
		2364
		2365	# install some emergency cleanup handlers
		2366	BEGIN {
		2367	for my $signal (qw(INT HUP TERM)) {
		2368	Event->signal (
		2369	reentrant => 0,
		2370	data => WF_AUTOCANCEL,
		2371	signal => $signal,
		2372	prio => 0,
		2373	cb => sub {
		2374	cf::cleanup "SIG$signal";
		2375	},
		2376	);
		2377	}
		2378	}
		2379
		2380	sub emergency_save() {
		2381	my $freeze_guard = cf::freeze_mainloop;
		2382
		2383	warn "enter emergency perl save\n";
		2384
		2385	cf::sync_job {
		2386	# use a peculiar iteration method to avoid tripping on perl
		2387	# refcount bugs in for. also avoids problems with players
		2388	# and maps saved/destroyed asynchronously.
		2389	warn "begin emergency player save\n";
		2390	for my $login (keys %cf::PLAYER) {
		2391	my $pl = $cf::PLAYER{$login} or next;
		2392	$pl->valid or next;
		2393	$pl->save;
		2394	}
		2395	warn "end emergency player save\n";
		2396
		2397	warn "begin emergency map save\n";
		2398	for my $path (keys %cf::MAP) {
		2399	my $map = $cf::MAP{$path} or next;
		2400	$map->valid or next;
		2401	$map->save;
		2402	}
		2403	warn "end emergency map save\n";
		2404
		2405	warn "begin emergency database checkpoint\n";
		2406	BDB::db_env_txn_checkpoint $DB_ENV;
		2407	warn "end emergency database checkpoint\n";
		2408	};
		2409
		2410	warn "leave emergency perl save\n";
		2411	}
		2412
		2413	sub post_cleanup {
		2414	my ($make_core) = @_;
		2415
		2416	warn Carp::longmess "post_cleanup backtrace"
		2417	if $make_core;
		2418	}
1902		2419
1903	sub reload() {	2420	sub reload() {
1904	# can/must only be called in main	2421	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2422	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2423	warn "can only reload from main coroutine";
1907	return;	2424	return;
1908	}	2425	}
1909		2426
1910	warn "reloading...";	2427	warn "reloading...";
1911		2428
1912	local $FREEZE = 1;	2429	warn "entering sync_job";
		2430
		2431	cf::sync_job {
		2432	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2433	cf::emergency_save;
		2434	cf::write_runtime; # external watchdog should not bark
1914		2435
1915	eval {	2436	warn "syncing database to disk";
		2437	BDB::db_env_txn_checkpoint $DB_ENV;
		2438
1916	# if anything goes wrong in here, we should simply crash as we already saved	2439	# if anything goes wrong in here, we should simply crash as we already saved
1917		2440
1918	# cancel all watchers	2441	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2442	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2443	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2444	}
1922		2445
		2446	warn "flushing outstanding aio requests";
		2447	for (;;) {
		2448	BDB::flush;
		2449	IO::AIO::flush;
		2450	Coro::cede;
		2451	last unless IO::AIO::nreqs || BDB::nreqs;
		2452	warn "iterate...";
		2453	}
		2454
		2455	++$RELOAD;
		2456
1923	# cancel all extension coros	2457	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2458	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2459	%EXT_CORO = ();
1926		2460
1927	# unload all extensions	2461	warn "removing commands";
1928	for (@exts) {	2462	%COMMAND = ();
		2463
		2464	warn "removing ext commands";
		2465	%EXTCMD = ();
		2466
		2467	warn "unloading/nuking all extensions";
		2468	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2469	warn "... unloading $pkg";
1930	unload_extension $_;	2470
		2471	if (my $cb = $pkg->can ("unload")) {
		2472	eval {
		2473	$cb->($pkg);
		2474	1
		2475	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2476	}
1932		2477
		2478	warn "... nuking $pkg";
		2479	Symbol::delete_package $pkg;
		2480	}
		2481
1933	# unload all modules loaded from $LIBDIR	2482	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2483	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2485
1937	warn "removing <$k>";	2486	warn "... unloading $k";
1938	delete $INC{$k};	2487	delete $INC{$k};
1939		2488
1940	$k =~ s/\.pm$//;	2489	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2490	$k =~ s/\//::/g;
1942		2491
…		…
1945	}	2494	}
1946		2495
1947	Symbol::delete_package $k;	2496	Symbol::delete_package $k;
1948	}	2497	}
1949		2498
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2499	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2500	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2502
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2503	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2504	delete $INC{"cf.pm"};
1963		2505
1964	# don't, removes xs symbols, too,	2506	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2507	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2508	#Symbol::delete_package __PACKAGE__;
1967		2509
1968	# reload cf.pm	2510	warn "unload completed, starting to reload now";
		2511
1969	warn "reloading cf.pm";	2512	warn "reloading cf.pm";
1970	require cf;	2513	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2515
1973	# load config and database again	2516	warn "loading config and database again";
1974	cf::cfg_load;	2517	cf::cfg_load;
1975	cf::db_load;
1976		2518
1977	# load extensions
1978	warn "load extensions";	2519	warn "loading extensions";
1979	cf::load_extensions;	2520	cf::load_extensions;
1980		2521
1981	# reattach attachments to objects	2522	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2523	_global_reattach; # objects, sockets
1983	_global_reattach;	2524	warn "reattaching attachments to maps";
1984	};	2525	reattach $_ for values %MAP;
		2526	warn "reattaching attachments to players";
		2527	reattach $_ for values %PLAYER;
1985		2528
1986	if ($@) {	2529	warn "loading reloadable resources";
		2530	reload_resources;
		2531
		2532	warn "leaving sync_job";
		2533
		2534	1
		2535	} or do {
1987	warn $@;	2536	warn $@;
1988	warn "error while reloading, exiting.";	2537	warn "error while reloading, exiting.";
1989	exit 1;	2538	exit 1;
1990	}	2539	};
1991		2540
1992	warn "reloaded successfully";	2541	warn "reloaded";
1993	};	2542	};
1994		2543
1995	#############################################################################	2544	our $RELOAD_WATCHER; # used only during reload
1996
1997	unless ($LINK_MAP) {
1998	$LINK_MAP = cf::map::new;
1999
2000	$LINK_MAP->width (41);
2001	$LINK_MAP->height (41);
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,
2010	cb => sub {
2011	$_[0]->w->cancel;
2012
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});
2031
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}
2037
2038	register "<global>", __PACKAGE__;
2039		2545
2040	register_command "reload" => sub {	2546	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2547	my ($who, $arg) = @_;
2042		2548
2043	if ($who->flag (FLAG_WIZ)) {	2549	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2550	$who->message ("reloading server.");
		2551
		2552	# doing reload synchronously and two reloads happen back-to-back,
		2553	# coro crashes during coro_state_free->destroy here.
		2554
		2555	$RELOAD_WATCHER ||= Event->timer (
		2556	reentrant => 0,
		2557	after => 0,
		2558	data => WF_AUTOCANCEL,
		2559	cb => sub {
2045	reload;	2560	reload;
2046	$who->message ("end of reload.");	2561	undef $RELOAD_WATCHER;
		2562	},
		2563	);
2047	}	2564	}
2048	};	2565	};
2049		2566
2050	unshift @INC, $LIBDIR;	2567	unshift @INC, $LIBDIR;
		2568
		2569	my $bug_warning = 0;
2051		2570
2052	$TICK_WATCHER = Event->timer (	2571	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2572	reentrant => 0,
		2573	parked => 1,
2054	prio => 0,	2574	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2575	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2576	data => WF_AUTOCANCEL,
2057	cb => sub {	2577	cb => sub {
2058	unless ($FREEZE) {	2578	if ($Coro::current != $Coro::main) {
		2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2580	unless ++$bug_warning > 10;
		2581	return;
		2582	}
		2583
		2584	$NOW = Event::time;
		2585
2059	cf::server_tick; # one server iteration	2586	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2587	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2588	$NEXT_TICK += $TICK;
		2589
		2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2591	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2592	Coro::async_pool {
		2593	write_runtime
		2594	or warn "ERROR: unable to write runtime file: $!";
		2595	};
		2596	}
		2597
		2598	$WAIT_FOR_TICK->broadcast;
		2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2600
		2601	# my $AFTER = Event::time;
		2602	# warn $AFTER - $NOW;#d#
2064		2603
2065	# if we are delayed by four ticks or more, skip them all	2604	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2606
2068	$TICK_WATCHER->at ($NEXT_TICK);	2607	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2608	$TICK_WATCHER->start;
2070	},	2609	},
2071	);	2610	);
2072		2611
		2612	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	2613	BDB::max_poll_time $TICK * 0.1;
2074		2614	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	2615	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2616	fd => BDB::poll_fileno,
2077	poll => 'r',	2617	poll => 'r',
2078	prio => 5,	2618	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2085	after => 0,	2620	cb => \&BDB::poll_cb,
2086	interval => 10,	2621	);
2087	cb => sub {	2622	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	2623
2089	write_runtime	2624	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	2625	my $status;
		2626	my $current = $Coro::current;
		2627	(
		2628	sub {
		2629	$status = $!;
		2630	$current->ready; undef $current;
		2631	},
		2632	sub {
		2633	Coro::schedule while defined $current;
		2634	$! = $status;
		2635	},
		2636	)
		2637	};
		2638
		2639	unless ($DB_ENV) {
		2640	$DB_ENV = BDB::db_env_create;
		2641
		2642	cf::sync_job {
		2643	eval {
		2644	BDB::db_env_open
		2645	$DB_ENV,
		2646	$BDB_ENV_DIR,
		2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2649	0666;
		2650
		2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2652
		2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2654	$DB_ENV->set_lk_detect;
		2655	};
		2656
		2657	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	2658	};
2092	},	2659	}
2093	);	2660	}
		2661
		2662	{
		2663	IO::AIO::min_parallel 8;
		2664
		2665	undef $Coro::AIO::WATCHER;
		2666	IO::AIO::max_poll_time $TICK * 0.1;
		2667	$AIO_POLL_WATCHER = Event->io (
		2668	reentrant => 0,
		2669	data => WF_AUTOCANCEL,
		2670	fd => IO::AIO::poll_fileno,
		2671	poll => 'r',
		2672	prio => 6,
		2673	cb => \&IO::AIO::poll_cb,
		2674	);
		2675	}
		2676
		2677	END { cf::emergency_save }
2094		2678
2095	1	2679	1
2096		2680

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