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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 2007 UTC vs.
Revision 1.225 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";
…		…
853	=cut	851	=cut
854		852
855	sub register_extcmd {	853	sub register_extcmd {
856	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
857		855
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
862	}	857	}
863		858
864	cf::player->attach (	859	cf::player->attach (
865	on_command => sub {	860	on_command => sub {
866	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
879		874
880	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
881		876
882	if (ref $msg) {	877	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	881	}
887	}	882	}
888	} else {	883	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		886
892	cf::override;	887	cf::override;
893	},	888	},
894	);	889	);
895		890
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	891	sub load_extension {
903	my ($path) = @_;	892	my ($path) = @_;
904		893
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	895	my $base = $1;
907	my $pkg = $1;	896	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
910		899
911	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
912		901
913	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
914	or die "$path: $!";	903	or die "$path: $!";
915		904
916	my $source =	905	my $source =
917	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
920	. "\n};\n1";	909	. "\n};\n1";
921		910
922	eval $source	911	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	913	: "extension disabled.\n";
925		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	915	warn $@;
927	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
928		917	exit 1;
929	# no strict 'refs';	918	}
930	# @{"$pkg\::ISA"} = ext::;	919	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	920	}
945		921
946	# remove commands	922	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	923	}
971		924
972	sub load_extensions {	925	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	927	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
979	}	932	}
980	}	933	}
981		934
982	#############################################################################	935	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		936
1020	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1021		938
1022	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1023		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1024	=head3 cf::player	947	=head3 cf::player
1025		948
1026	=over 4	949	=over 4
1027		950
1028	=item cf::player::exists $login	951	=item cf::player::find $login
1029		952
1030	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1031		954
1032	=cut	955	=cut
1033		956
1034	sub cf::player::exists($) {	957	sub playerdir($) {
1035	cf::player::find $_[0]	958	cf::localdir
1036	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
1037	}	1127	}
1038		1128
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1130
1041	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1042		1132
1043	=cut	1133	=cut
1044		1134
1045	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1047		1137
1048	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1049		1139
1050	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1051	}	1141	}
		1142
		1143	package cf;
1052		1144
1053	=back	1145	=back
1054		1146
1055		1147
1056	=head3 cf::map	1148	=head3 cf::map
…		…
1062	package cf::map;	1154	package cf::map;
1063		1155
1064	use Fcntl;	1156	use Fcntl;
1065	use Coro::AIO;	1157	use Coro::AIO;
1066		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1067	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1069		1165
1070	sub generate_random_map {	1166	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1169	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$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},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(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
1087	}	1311	}
1088		1312
1089	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1090	# all maps in C++...	1314	# all maps in C++...
1091	sub change_all_map_light {	1315	sub change_all_map_light {
1092	my ($change) = @_;	1316	my ($change) = @_;
1093		1317
1094	$_->change_map_light ($change) for values %cf::MAP;	1318	$_->change_map_light ($change)
		1319	for grep $_->outdoor, values %cf::MAP;
1095	}	1320	}
1096		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
1097	sub try_load_header($) {	1330	sub load_header_from($) {
1098	my ($path) = @_;	1331	my ($self, $path) = @_;
1099		1332
1100	utf8::encode $path;	1333	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1102	or return;	1338	or return;
1103		1339
1104	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
1105	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1106		1386
1107	$map->load_header ($path)	1387	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1388	}
1114		1389
		1390	sub find;
1115	sub find_map {	1391	sub find {
1116	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1117		1393
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1395
		1396	cf::lock_wait "map_find:$path";
		1397
1123	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1124	# do it the slow way	1399	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1400	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1401	or return;
1139		1402
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1404
1154	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;
1155	$map->reset;	1411	$map->reset;
1156	$map = find_map $path;	1412	undef $guard;
		1413	return find $path;
1157	}	1414	}
1158		1415
1159	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1160	}	1417	}
1161	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1162		1422
1163	sub load {	1423	sub load {
1164	my ($self) = @_;	1424	my ($self) = @_;
1165		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
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1432
1168	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1169		1434
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1173	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1440	or return;
1175		1441
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1443	if delete $self->{load_original};
1178		1444
1179	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1446	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1448	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1184	}	1450	}
1185	}	1451	}
		1452
		1453	Coro::cede;
1186		1454
1187	# now do the right thing for maps	1455	# now do the right thing for maps
1188	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1189		1457
1190	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1459	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1197	$self->set_darkness_map;	1463	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1200	$self->activate;	1467	$self->activate;
1201	}	1468	}
1202		1469
		1470	$self->post_load;
		1471
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1473	}
1205		1474
1206	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 {
1207	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1208		1510
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1210		1513
1211	cf::sync_job {	1514	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1213	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;
1214	$map->load;	1538	$map->load;
1215	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1216	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1217	}	1548	}
1218		1549
1219	sub save {	1550	sub save {
1220	my ($self) = @_;	1551	my ($self) = @_;
1221		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1222	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1223		1556
1224	return unless $self->dirty;	1557	return unless $self->dirty;
1225		1558
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1561
1229	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1230		1563
1231	return if $self->{deny_save};	1564	return if $self->{deny_save};
1232		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1233	if ($uniq) {	1572	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1575	} else {
1237	$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);
1238	}	1577	}
1239	}	1578	}
1240		1579
1241	sub swap_out {	1580	sub swap_out {
1242	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;
1243		1587
1244	return if $self->players;	1588	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1590	return if $self->{deny_save};
1247		1591
1248	$self->save;
1249	$self->clear;	1592	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1593	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1594	}
1252		1595
1253	sub reset_at {	1596	sub reset_at {
1254	my ($self) = @_;	1597	my ($self) = @_;
1255		1598
1256	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1259		1602
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	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;
1262		1605
…		…
1267	my ($self) = @_;	1610	my ($self) = @_;
1268		1611
1269	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1270	}	1613	}
1271		1614
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1615	sub reset {
1294	my ($self) = @_;	1616	my ($self) = @_;
1295		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1296	return if $self->players;	1620	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1298		1622
1299	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1300		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
1301	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1302		1638
1303	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1304		1640
1305	$self->unlink_save;	1641	$self->unlink_save;
1306	$self->destroy;	1642	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1310		1646
1311	sub nuke {	1647	sub nuke {
1312	my ($self) = @_;	1648	my ($self) = @_;
1313		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1317	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1318	}	1663	}
1319		1664
1320	sub customise_for {	1665	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1666
1323	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1325	}
1326		1669
1327	$map	1670	=cut
1328	}
1329		1671
1330	sub emergency_save {	1672	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1332		1675
1333	warn "enter emergency map save\n";	1676	my @paths;
1334		1677
1335	cf::sync_job {	1678	for (@$files) {
1336	warn "begin emergency map save\n";	1679	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1338	};	1684	}
1339		1685
1340	warn "end emergency map save\n";	1686	\@paths
1341	}	1687	}
1342		1688
1343	package cf;	1689	package cf;
1344		1690
1345	=back	1691	=back
1346		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
1347		1719
1348	=head3 cf::object::player	1720	=head3 cf::object::player
1349		1721
1350	=over 4	1722	=over 4
1351		1723
…		…
1391		1763
1392	=item $player_object->enter_link	1764	=item $player_object->enter_link
1393		1765
1394	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}>).
1395		1767
1396	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
1397	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1398		1770
		1771	Will never block.
		1772
1399	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1400		1774
1401	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
1402	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
1403	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
1404	to the emergency map position.	1778	fails, to the emergency map position.
1405		1779
1406	Might block.	1780	Might block.
1407		1781
1408	=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	}
1409		1793
1410	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1795	my ($self) = @_;
1412		1796
1413	return if $self->map == $LINK_MAP;	1797	$self->deactivate_recursive;
1414		1798
		1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1800
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1802	if $self->map;
1417		1803
1418	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1805	}
1421		1806
1422	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1424		1809
1425	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1426		1811
1427	unless ($map) {	1812	unless ($map) {
1428	# restore original map position	1813	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1431		1816
1432	unless ($map) {	1817	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1436	}	1821	}
1437	}	1822	}
1438		1823
1439	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1445		1830
1446	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1447		1833
		1834	return unless $self->contr->active;
1448	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1450	}	1839	}
1451		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
1452	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1453		1874
1454	=cut	1875	=cut
1455		1876
1456	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1458		1879
1459	$self->enter_link;	1880	$self->enter_link;
1460		1881
1461	(Coro::async {	1882	(async {
1462	$path = new cf::path $path;	1883	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1466		1886	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1468	# if $map;
1469
1470	$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);
1471		1889
1472	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1891	})->prio (1);
1474	}	1892	}
1475		1893
…		…
1479		1897
1480	sub parse_random_map_params {	1898	sub parse_random_map_params {
1481	my ($spec) = @_;	1899	my ($spec) = @_;
1482		1900
1483	my $rmp = { # defaults	1901	my $rmp = { # defaults
1484	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1486	};	1906	};
1487		1907
1488	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1490		1910
…		…
1494	$rmp	1914	$rmp
1495	}	1915	}
1496		1916
1497	sub prepare_random_map {	1917	sub prepare_random_map {
1498	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1921
1500	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1924	# that depends on the exit object
1503		1925
1504	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1505		1927
1506	if ($exit->map) {	1928	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1511	}	1933	}
1512		1934
1513	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1514		1936
1515	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1940
1518	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) {
1519	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;
1520		1945
1521	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1947	$exit->msg (undef);
1523	}	1948	}
1524	}	1949	}
…		…
1526	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1528		1953
1529	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1530		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
1531	$self->enter_link;	1965	$self->enter_link;
1532		1966
1533	(Coro::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1969	unless (eval {
1535		1970	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		1971
1542	1;	1972	1;
1543	}) {	1973	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "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. "
1546	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1978
1549	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1980	$self->leave_link;
1551	}	1981	}
…		…
1565		1995
1566	sub cf::client::send_drawinfo {	1996	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	1997	my ($self, $text, $flags) = @_;
1568		1998
1569	utf8::encode $text;	1999	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2001	}
1572		2002
1573		2003
1574	=item $success = $client->query ($flags, "text", \&cb)	2004	=item $success = $client->query ($flags, "text", \&cb)
1575		2005
…		…
1602	on_reply => sub {	2032	on_reply => sub {
1603	my ($ns, $msg) = @_;	2033	my ($ns, $msg) = @_;
1604		2034
1605	# this weird shuffling is so that direct followup queries	2035	# this weird shuffling is so that direct followup queries
1606	# get handled first	2036	# get handled first
1607	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
1608		2039
1609	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2042
1611	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1612		2044
1613	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2046	if (@$queue) {
…		…
1618	}	2050	}
1619	}	2051	}
1620	},	2052	},
1621	);	2053	);
1622		2054
1623	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1624		2056
1625	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1626	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,
1627	or loss of connection).	2059	or loss of connection).
1628		2060
1629	=cut	2061	=cut
1630		2062
1631	sub cf::client::coro {	2063	sub cf::client::async {
1632	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1633		2065
1634	my $coro; $coro = async {	2066	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2067
1641	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1643	});	2070	});
1644		2071
…		…
1780	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
1781	using it, it should be unique.	2208	using it, it should be unique.
1782		2209
1783	=over 4	2210	=over 4
1784		2211
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1792		2213
1793	Returns a single value from the database	2214	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2215
1800	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1801		2217
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2219
1813	=cut	2220	=cut
1814		2221
1815	our $DB;	2222	our $DB;
1816		2223
1817	{	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
1818	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;
1819		2243
1820	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2247	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2248
1825	my $pid;	2249	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2250	};
1836	}	2251	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});	2252	}
		2253	}
1848		2254
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {	2255	sub db_get($$) {
1855	@_ >= 2	2256	my $key = "$_[0]/$_[1]";
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
1860	sub db_put($$;$) {	2266	sub db_put($$$) {
1861	if (@_ >= 3) {	2267	BDB::dbreq_pri 4;
1862	$DB->{$_[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#
1863	} else {	2301	} else {
1864	$DB->{$_[0]} = $_[1];	2302	warn "smooth face '$info->{smooth}' not found for face '$face'";
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2303	}
1874	);	2304	Coro::cede;
1875	}	2305	}
1876		2306
1877	#############################################################################	2307	1
1878	# 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	}
1879		2320
1880	sub cfg_load {	2321	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2322	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2323	or return;
1883		2324
1884	local $/;	2325	local $/;
1885	*CFG = YAML::Syck::Load <$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	}
1886	}	2340	}
1887		2341
1888	sub main {	2342	sub main {
1889	# we must not ever block the main coroutine	2343	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2344	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2345	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2346	(async {
1893	Event::one_event;	2347	Event::one_event;
1894	})->();	2348	})->prio (Coro::PRIO_MAX);
1895	};	2349	};
1896		2350
1897	cfg_load;	2351	cfg_load;
1898	db_load;	2352	db_init;
1899	load_extensions;	2353	load_extensions;
		2354
		2355	$TICK_WATCHER->start;
1900	Event::loop;	2356	Event::loop;
1901	}	2357	}
1902		2358
1903	#############################################################################	2359	#############################################################################
1904	# 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 $make_core;
		2415	}
1905		2416
1906	sub reload() {	2417	sub reload() {
1907	# can/must only be called in main	2418	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2419	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2420	warn "can only reload from main coroutine";
1910	return;	2421	return;
1911	}	2422	}
1912		2423
1913	warn "reloading...";	2424	warn "reloading...";
1914		2425
1915	local $FREEZE = 1;	2426	warn "entering sync_job";
		2427
		2428	cf::sync_job {
		2429	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2430	cf::emergency_save;
		2431	cf::write_runtime; # external watchdog should not bark
1917		2432
1918	eval {	2433	warn "syncing database to disk";
		2434	BDB::db_env_txn_checkpoint $DB_ENV;
		2435
1919	# 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
1920		2437
1921	# cancel all watchers	2438	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2439	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2440	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2441	}
1925		2442
		2443	warn "flushing outstanding aio requests";
		2444	for (;;) {
		2445	BDB::flush;
		2446	IO::AIO::flush;
		2447	Coro::cede;
		2448	last unless IO::AIO::nreqs || BDB::nreqs;
		2449	warn "iterate...";
		2450	}
		2451
		2452	++$RELOAD;
		2453
1926	# cancel all extension coros	2454	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2455	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2456	%EXT_CORO = ();
1929		2457
1930	# unload all extensions	2458	warn "removing commands";
1931	for (@exts) {	2459	%COMMAND = ();
		2460
		2461	warn "removing ext commands";
		2462	%EXTCMD = ();
		2463
		2464	warn "unloading/nuking all extensions";
		2465	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2466	warn "... unloading $pkg";
1933	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: $@";
1934	}	2473	}
1935		2474
		2475	warn "... nuking $pkg";
		2476	Symbol::delete_package $pkg;
		2477	}
		2478
1936	# unload all modules loaded from $LIBDIR	2479	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2480	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2482
1940	warn "removing <$k>";	2483	warn "... unloading $k";
1941	delete $INC{$k};	2484	delete $INC{$k};
1942		2485
1943	$k =~ s/\.pm$//;	2486	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2487	$k =~ s/\//::/g;
1945		2488
…		…
1948	}	2491	}
1949		2492
1950	Symbol::delete_package $k;	2493	Symbol::delete_package $k;
1951	}	2494	}
1952		2495
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2496	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2497	Symbol::delete_package "safe::$_"
1959	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);
1960		2499
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2500	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2501	delete $INC{"cf.pm"};
1966		2502
1967	# don't, removes xs symbols, too,	2503	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2504	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2505	#Symbol::delete_package __PACKAGE__;
1970		2506
1971	# reload cf.pm	2507	warn "unload completed, starting to reload now";
		2508
1972	warn "reloading cf.pm";	2509	warn "reloading cf.pm";
1973	require cf;	2510	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2512
1976	# load config and database again	2513	warn "loading config and database again";
1977	cf::cfg_load;	2514	cf::cfg_load;
1978	cf::db_load;
1979		2515
1980	# load extensions
1981	warn "load extensions";	2516	warn "loading extensions";
1982	cf::load_extensions;	2517	cf::load_extensions;
1983		2518
1984	# reattach attachments to objects	2519	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2520	_global_reattach; # objects, sockets
1986	_global_reattach;	2521	warn "reattaching attachments to maps";
1987	};	2522	reattach $_ for values %MAP;
		2523	warn "reattaching attachments to players";
		2524	reattach $_ for values %PLAYER;
1988		2525
1989	if ($@) {	2526	warn "loading reloadable resources";
		2527	reload_resources;
		2528
		2529	warn "leaving sync_job";
		2530
		2531	1
		2532	} or do {
1990	warn $@;	2533	warn $@;
1991	warn "error while reloading, exiting.";	2534	warn "error while reloading, exiting.";
1992	exit 1;	2535	exit 1;
1993	}	2536	};
1994		2537
1995	warn "reloaded successfully";	2538	warn "reloaded";
1996	};	2539	};
1997		2540
1998	#############################################################################	2541	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2542
2043	register_command "reload" => sub {	2543	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2544	my ($who, $arg) = @_;
2045		2545
2046	if ($who->flag (FLAG_WIZ)) {	2546	if ($who->flag (FLAG_WIZ)) {
2047	$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 {
2048	reload;	2557	reload;
2049	$who->message ("end of reload.");	2558	undef $RELOAD_WATCHER;
		2559	},
		2560	);
2050	}	2561	}
2051	};	2562	};
2052		2563
2053	unshift @INC, $LIBDIR;	2564	unshift @INC, $LIBDIR;
		2565
		2566	my $bug_warning = 0;
2054		2567
2055	$TICK_WATCHER = Event->timer (	2568	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2569	reentrant => 0,
		2570	parked => 1,
2057	prio => 0,	2571	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2572	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2573	data => WF_AUTOCANCEL,
2060	cb => sub {	2574	cb => sub {
2061	unless ($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
2062	cf::server_tick; # one server iteration	2583	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2584	$RUNTIME += $TICK;
2064	}
2065
2066	$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#
2067		2600
2068	# 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
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2603
2071	$TICK_WATCHER->at ($NEXT_TICK);	2604	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2605	$TICK_WATCHER->start;
2073	},	2606	},
2074	);	2607	);
2075		2608
		2609	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2610	BDB::max_poll_time $TICK * 0.1;
2077		2611	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2612	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2613	fd => BDB::poll_fileno,
2080	poll => 'r',	2614	poll => 'r',
2081	prio => 5,	2615	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2616	data => WF_AUTOCANCEL,
2088	after => 0,	2617	cb => \&BDB::poll_cb,
2089	interval => 10,	2618	);
2090	cb => sub {	2619	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2620
2092	write_runtime	2621	BDB::set_sync_prepare {
2093	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 $@;
2094	})->();	2655	};
2095	},	2656	}
2096	);	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 }
2097		2675
2098	1	2676	1
2099		2677

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