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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.224 by root, Mon Mar 12 21:42:12 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
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	99	our $EMERGENCY_POSITION;
		100
		101	sub cf::map::normalise;
77		102
78	#############################################################################	103	#############################################################################
79		104
80	=head2 GLOBAL VARIABLES	105	=head2 GLOBAL VARIABLES
81		106
…		…
105		130
106	=item %cf::CFG	131	=item %cf::CFG
107		132
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	133	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	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.
110		142
111	=back	143	=back
112		144
113	=cut	145	=cut
114		146
…		…
118	utf8::encode $msg;	150	utf8::encode $msg;
119		151
120	$msg .= "\n"	152	$msg .= "\n"
121	unless $msg =~ /\n$/;	153	unless $msg =~ /\n$/;
122		154
123	LOG llevError, "cfperl: $msg";	155	LOG llevError, $msg;
124	};	156	};
125	}	157	}
126		158
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		178
147	$Event::DIED = sub {	179	$Event::DIED = sub {
148	warn "error in event callback: @_";	180	warn "error in event callback: @_";
149	};	181	};
150		182
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	183	=head2 UTILITY FUNCTIONS
156		184
157	=over 4	185	=over 4
158		186
		187	=item dumpval $ref
		188
159	=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	}
160		209
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	210	use JSON::Syck (); # TODO# replace by JSON::PC once working
162		211
163	=item $ref = cf::from_json $json	212	=item $ref = cf::from_json $json
164		213
…		…
180	sub to_json($) {	229	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]	231	JSON::Syck::Dump $_[0]
183	}	232	}
184		233
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	234	=item cf::lock_wait $string
208		235
209	Wait until the given lock is available. See cf::lock_acquire.	236	Wait until the given lock is available. See cf::lock_acquire.
210		237
211	=item my $lock = cf::lock_acquire $string	238	=item my $lock = cf::lock_acquire $string
212		239
213	Wait until the given lock is available and then acquires it and returns	240	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	242	for example when the coroutine gets canceled), the lock is automatically
216	returned.	243	returned.
217		244
218	Lock names should begin with a unique identifier (for example, find_map	245	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	246	uses map_find and cf::map::load uses map_load).
220		247
221	=cut	248	=cut
222		249
223	our %LOCK;	250	our %LOCK;
224		251
…		…
238	# wait, to be sure we are not locked	265	# wait, to be sure we are not locked
239	lock_wait $key;	266	lock_wait $key;
240		267
241	$LOCK{$key} = [];	268	$LOCK{$key} = [];
242		269
243	cf::guard {	270	Coro::guard {
244	# wake up all waiters, to be on the safe side	271	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	272	$_->ready for @{ delete $LOCK{$key} };
246	}	273	}
247	}	274	}
248		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	$guard
		284	}
		285
249	=item cf::async { BLOCK }	286	=item cf::async { BLOCK }
250		287
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	288	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		290	thing you are allowed to do is call C<prio> on it.
253		291
254	=cut	292	=cut
255		293
256	sub async(&) {	294	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		295
265	=item cf::sync_job { BLOCK }	296	=item cf::sync_job { BLOCK }
266		297
267	The design of crossfire+ requires that the main coro ($Coro::main) is	298	The design of crossfire+ requires that the main coro ($Coro::main) is
268	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
…		…
282	# this is the main coro, too bad, we have to block	313	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	314	# till the operation succeeds, freezing the server :/
284		315
285	# TODO: use suspend/resume instead	316	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	317	# (but this is cancel-safe)
287	local $FREEZE = 1;	318	my $freeze_guard = freeze_mainloop;
288		319
289	my $busy = 1;	320	my $busy = 1;
290	my @res;	321	my @res;
291		322
292	(Coro::async {	323	(async {
293	@res = eval { $job->() };	324	@res = eval { $job->() };
294	warn $@ if $@;	325	warn $@ if $@;
295	undef $busy;	326	undef $busy;
296	})->prio (Coro::PRIO_MAX);	327	})->prio (Coro::PRIO_MAX);
297		328
298	while ($busy) {	329	while ($busy) {
299	Coro::cede_notself;	330	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	331	}
302		332
303	wantarray ? @res : $res[0]	333	wantarray ? @res : $res[0]
304	} else {	334	} else {
305	# we are in another coroutine, how wonderful, everything just works	335	# we are in another coroutine, how wonderful, everything just works
306		336
307	$job->()	337	$job->()
308	}	338	}
309	}	339	}
310		340
311	=item $coro = cf::coro { BLOCK }	341	=item $coro = cf::async_ext { BLOCK }
312		342
313	Creates and returns a new coro. This coro is automcatially being canceled	343	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	344	extension calling this is being unloaded.
315		345
316	=cut	346	=cut
317		347
318	sub coro(&) {	348	sub async_ext(&) {
319	my $cb = shift;	349	my $cb = shift;
320		350
321	my $coro = &cf::async ($cb);	351	my $coro = &Coro::async ($cb);
322		352
323	$coro->on_destroy (sub {	353	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	354	delete $EXT_CORO{$coro+0};
325	});	355	});
326	$EXT_CORO{$coro+0} = $coro;	356	$EXT_CORO{$coro+0} = $coro;
327		357
328	$coro	358	$coro
329	}	359	}
330		360
331	sub write_runtime {	361	sub write_runtime {
		362	my $guard = cf::lock_acquire "write_runtime";
		363
332	my $runtime = cf::localdir . "/runtime";	364	my $runtime = cf::localdir . "/runtime";
333		365
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	367	or return;
336		368
		369	my $value = $cf::RUNTIME + 90 + 10;
337	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
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	374	and return;
340		375
		376	# always fsync - this file is important
341	aio_fsync $fh	377	aio_fsync $fh
342	and return;	378	and return;
343		379
344	close $fh	380	close $fh
345	or return;	381	or return;
…		…
351	}	387	}
352		388
353	=back	389	=back
354		390
355	=cut	391	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		392
477	#############################################################################	393	#############################################################################
478		394
479	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
480		396
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	523	our @CB_MAP = ();
608		524
609	my %attachment;	525	my %attachment;
610		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
611	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
613		535
614	use sort 'stable';	536	use sort 'stable';
615		537
…		…
786	# object support	708	# object support
787		709
788	sub reattach {	710	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		715
792	my $registry = $obj->registry;	716	my $registry = $obj->registry;
793		717
794	@$registry = ();	718	@$registry = ();
795		719
…		…
842	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
843		767
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	772	close $fh;
849		773
850	if (@$objs) {	774	if (@$objs) {
851	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) {
852	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	780	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
858	}	782	}
859	} else {	783	} else {
860	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
927	=cut	851	=cut
928		852
929	sub register_extcmd {	853	sub register_extcmd {
930	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
931		855
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
936	}	857	}
937		858
938	cf::player->attach (	859	cf::player->attach (
939	on_command => sub {	860	on_command => sub {
940	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
953		874
954	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
955		876
956	if (ref $msg) {	877	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	881	}
961	}	882	}
962	} else {	883	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		886
966	cf::override;	887	cf::override;
967	},	888	},
968	);	889	);
969		890
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	891	sub load_extension {
977	my ($path) = @_;	892	my ($path) = @_;
978		893
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	895	my $base = $1;
981	my $pkg = $1;	896	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
984		899
985	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
986		901
987	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
988	or die "$path: $!";	903	or die "$path: $!";
989		904
990	my $source =	905	my $source =
991	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
994	. "\n};\n1";	909	. "\n};\n1";
995		910
996	eval $source	911	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	913	: "extension disabled.\n";
999		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	915	warn $@;
1001	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
1002		917	exit 1;
1003	# no strict 'refs';	918	}
1004	# @{"$pkg\::ISA"} = ext::;	919	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	920	}
1019		921
1020	# remove commands	922	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	923	}
1045		924
1046	sub load_extensions {	925	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	927	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
1053	}	932	}
1054	}	933	}
1055		934
1056	#############################################################################	935	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		936
1094	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1095		938
1096	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1097		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1098	=head3 cf::player	947	=head3 cf::player
1099		948
1100	=over 4	949	=over 4
1101		950
1102	=item cf::player::exists $login	951	=item cf::player::find $login
1103		952
1104	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1105		954
1106	=cut	955	=cut
1107		956
1108	sub cf::player::exists($) {	957	sub playerdir($) {
1109	cf::player::find $_[0]	958	cf::localdir
1110	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
1111	}	1127	}
1112		1128
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1130
1115	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1116		1132
1117	=cut	1133	=cut
1118		1134
1119	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1121		1137
1122	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1123		1139
1124	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1125	}	1141	}
		1142
		1143	package cf;
1126		1144
1127	=back	1145	=back
1128		1146
1129		1147
1130	=head3 cf::map	1148	=head3 cf::map
…		…
1136	package cf::map;	1154	package cf::map;
1137		1155
1138	use Fcntl;	1156	use Fcntl;
1139	use Coro::AIO;	1157	use Coro::AIO;
1140		1158
		1159	use overload
		1160	'""' => \&as_string,
		1161	fallback => 1;
		1162
1141	our $MAX_RESET = 7200;	1163	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1164	our $DEFAULT_RESET = 3000;
1143		1165
1144	sub generate_random_map {	1166	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1167	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1168	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1169	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1173	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1174	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$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},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(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
1161	}	1311	}
1162		1312
1163	# and all this just because we cannot iterate over	1313	# and all this just because we cannot iterate over
1164	# all maps in C++...	1314	# all maps in C++...
1165	sub change_all_map_light {	1315	sub change_all_map_light {
…		…
1167		1317
1168	$_->change_map_light ($change)	1318	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1319	for grep $_->outdoor, values %cf::MAP;
1170	}	1320	}
1171		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
1172	sub try_load_header($) {	1330	sub load_header_from($) {
1173	my ($path) = @_;	1331	my ($self, $path) = @_;
1174		1332
1175	utf8::encode $path;	1333	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1334	#aio_open $path, O_RDONLY, 0
		1335	# or return;
		1336
		1337	$self->_load_header ($path)
1177	or return;	1338	or return;
1178		1339
1179	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
1180	or return;	1383	or return;
		1384	$self->prepare_orig;
		1385	}
1181		1386
1182	$map->load_header ($path)	1387	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1388	}
1189		1389
1190	sub find_map;	1390	sub find;
1191	sub find_map {	1391	sub find {
1192	my ($path, $origin) = @_;	1392	my ($path, $origin) = @_;
1193		1393
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1394	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1395
1199	cf::lock_wait "map_find:$key";	1396	cf::lock_wait "map_find:$path";
1200		1397
1201	$cf::MAP{$key} || do {	1398	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1399	my $guard = cf::lock_acquire "map_find:$path";
1203		1400	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1401	or return;
1219		1402
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1403	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1404
1233	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;
1234	$map->reset;	1411	$map->reset;
1235	undef $guard;	1412	undef $guard;
1236	$map = find_map $path	1413	return find $path;
1237	or return;
1238	}	1414	}
1239		1415
1240	$cf::MAP{$key} = $map	1416	$cf::MAP{$path} = $map
1241	}	1417	}
1242	}	1418	}
		1419
		1420	sub pre_load { }
		1421	sub post_load { }
1243		1422
1244	sub load {	1423	sub load {
1245	my ($self) = @_;	1424	my ($self) = @_;
1246		1425
		1426	local $self->{deny_reset} = 1; # loading can take a long time
		1427
1247	my $path = $self->{path};	1428	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1429	my $guard = cf::lock_acquire "map_load:$path";
1249		1430
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1431	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1432
1252	$self->in_memory (cf::MAP_LOADING);	1433	$self->in_memory (cf::MAP_LOADING);
1253		1434
1254	$self->alloc;	1435	$self->alloc;
		1436
		1437	$self->pre_load;
		1438
1255	$self->load_objects ($self->{load_path}, 1)	1439	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1440	or return;
1257		1441
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1443	if delete $self->{load_original};
1260		1444
1261	if (my $uniq = $path->uniq_path) {	1445	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1446	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1447	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1448	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1449	$self->_load_objects ($uniq, 0);
1266	}	1450	}
1267	}	1451	}
		1452
		1453	Coro::cede;
1268		1454
1269	# now do the right thing for maps	1455	# now do the right thing for maps
1270	$self->link_multipart_objects;	1456	$self->link_multipart_objects;
1271		1457
1272	if ($self->{path}->is_style_map) {	1458	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1459	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1460	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1461	$self->update_buttons;
		1462	Coro::cede;
1279	$self->set_darkness_map;	1463	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1464	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1465	unless $self->difficulty;
		1466	Coro::cede;
1282	$self->activate;	1467	$self->activate;
1283	}	1468	}
1284		1469
		1470	$self->post_load;
		1471
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1472	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1473	}
1287		1474
1288	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 {
1289	my ($path, $origin) = @_;	1509	my ($path, $origin) = @_;
1290		1510
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1511	cf::sync_job { find $path, $origin }
		1512	}
1292		1513
1293	cf::sync_job {	1514	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1515	my ($map) = @_;
1295	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;
1296	$map->load;	1538	$map->load;
1297	$map	1539
		1540	delete $MAP_PREFETCH{$path};
		1541	}
		1542	}
		1543	undef $MAP_PREFETCHER;
1298	}	1544	};
		1545	$MAP_PREFETCHER->prio (6);
		1546
		1547	()
1299	}	1548	}
1300		1549
1301	sub save {	1550	sub save {
1302	my ($self) = @_;	1551	my ($self) = @_;
1303		1552
		1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1554
1304	$self->{last_save} = $cf::RUNTIME;	1555	$self->{last_save} = $cf::RUNTIME;
1305		1556
1306	return unless $self->dirty;	1557	return unless $self->dirty;
1307		1558
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1559	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1560	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1561
1311	$self->{load_path} = $save;	1562	$self->{load_path} = $save;
1312		1563
1313	return if $self->{deny_save};	1564	return if $self->{deny_save};
1314		1565
		1566	local $self->{last_access} = $self->last_access;#d#
		1567
		1568	cf::async {
		1569	$_->contr->save for $self->players;
		1570	};
		1571
1315	if ($uniq) {	1572	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1575	} else {
1319	$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);
1320	}	1577	}
1321	}	1578	}
1322		1579
1323	sub swap_out {	1580	sub swap_out {
1324	my ($self) = @_;	1581	my ($self) = @_;
1325		1582
1326	# save first because save cedes	1583	# save first because save cedes
1327	$self->save;	1584	$self->save;
		1585
		1586	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1587
1329	return if $self->players;	1588	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1590	return if $self->{deny_save};
1332		1591
…		…
1336		1595
1337	sub reset_at {	1596	sub reset_at {
1338	my ($self) = @_;	1597	my ($self) = @_;
1339		1598
1340	# TODO: safety, remove and allow resettable per-player maps	1599	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1601	return 1e99 if $self->{deny_reset};
1343		1602
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	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;
1346		1605
…		…
1351	my ($self) = @_;	1610	my ($self) = @_;
1352		1611
1353	$self->reset_at <= $cf::RUNTIME	1612	$self->reset_at <= $cf::RUNTIME
1354	}	1613	}
1355		1614
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1615	sub reset {
1378	my ($self) = @_;	1616	my ($self) = @_;
1379		1617
		1618	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1619
1380	return if $self->players;	1620	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1621	return if $self->isa ("ext::map_per_player");#d#
1382		1622
1383	warn "resetting map ", $self->path;#d#	1623	warn "resetting map ", $self->path;#d#
1384		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
1385	delete $cf::MAP{$self->path};	1635	delete $cf::MAP{$self->path};
		1636
		1637	$self->clear;
1386		1638
1387	$_->clear_links_to ($self) for values %cf::MAP;	1639	$_->clear_links_to ($self) for values %cf::MAP;
1388		1640
1389	$self->unlink_save;	1641	$self->unlink_save;
1390	$self->destroy;	1642	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1645	my $nuke_counter = "aaaa";
1394		1646
1395	sub nuke {	1647	sub nuke {
1396	my ($self) = @_;	1648	my ($self) = @_;
1397		1649
		1650	delete $cf::MAP{$self->path};
		1651
		1652	$self->unlink_save;
		1653
		1654	bless $self, "cf::map";
		1655	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1656	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1657	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1659
		1660	$cf::MAP{$self->path} = $self;
		1661
1401	$self->reset; # polite request, might not happen	1662	$self->reset; # polite request, might not happen
1402	}	1663	}
1403		1664
1404	sub customise_for {	1665	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1666
1407	if ($map->per_player) {	1667	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1668	instantiated unique items. May block.
1409	}
1410		1669
1411	$map	1670	=cut
1412	}
1413		1671
1414	sub emergency_save {	1672	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1674	or return;
1416		1675
1417	warn "enter emergency map save\n";	1676	my @paths;
1418		1677
1419	cf::sync_job {	1678	for (@$files) {
1420	warn "begin emergency map save\n";	1679	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1680	next if /\.pst$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise $_;
1422	};	1684	}
1423		1685
1424	warn "end emergency map save\n";	1686	\@paths
1425	}	1687	}
1426		1688
1427	package cf;	1689	package cf;
1428		1690
1429	=back	1691	=back
1430		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
1431		1719
1432	=head3 cf::object::player	1720	=head3 cf::object::player
1433		1721
1434	=over 4	1722	=over 4
1435		1723
…		…
1475		1763
1476	=item $player_object->enter_link	1764	=item $player_object->enter_link
1477		1765
1478	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}>).
1479		1767
1480	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
1481	I<MUST> call C<leave_link> as soon as possible, though.	1769	I<MUST> call C<leave_link> as soon as possible, though.
1482		1770
		1771	Will never block.
		1772
1483	=item $player_object->leave_link ($map, $x, $y)	1773	=item $player_object->leave_link ($map, $x, $y)
1484		1774
1485	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
1486	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
1487	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
1488	to the emergency map position.	1778	fails, to the emergency map position.
1489		1779
1490	Might block.	1780	Might block.
1491		1781
1492	=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	}
1493		1793
1494	sub cf::object::player::enter_link {	1794	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1795	my ($self) = @_;
1496		1796
1497	$self->deactivate_recursive;	1797	$self->deactivate_recursive;
1498		1798
1499	return if $self->map == $LINK_MAP;	1799	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1800
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1802	if $self->map;
1503		1803
1504	$self->enter_map ($LINK_MAP, 20, 20);	1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1805	}
1506		1806
1507	sub cf::object::player::leave_link {	1807	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1808	my ($self, $map, $x, $y) = @_;
1509		1809
1510	my $link_pos = delete $self->{_link_pos};	1810	my $link_pos = delete $self->{_link_pos};
1511		1811
1512	unless ($map) {	1812	unless ($map) {
1513	# restore original map position	1813	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1814	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1815	$map = cf::map::find $map;
1516		1816
1517	unless ($map) {	1817	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1818	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1819	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1820	or die "FATAL: cannot load emergency map\n";
1521	}	1821	}
1522	}	1822	}
1523		1823
1524	($x, $y) = (-1, -1)	1824	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1827	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1828	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1829	if $x <=0 && $y <= 0;
1530		1830
1531	$map->load;	1831	$map->load;
		1832	$map->load_diag;
1532		1833
		1834	return unless $self->contr->active;
1533	$self->activate_recursive;	1835	$self->activate_recursive;
		1836
		1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1838	$self->enter_map ($map, $x, $y);
1535	}	1839	}
1536		1840
1537	cf::player->attach (	1841	cf::player->attach (
1538	on_logout => sub {	1842	on_logout => sub {
…		…
1550		1854
1551	# try to abort aborted map switching on player login :)	1855	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1856	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1857	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1858	$pl->ob->enter_link;
1555	cf::async {	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);
1556	# we need this sleep as the login has a concurrent enter_exit running	1864	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1865	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1866	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1867	$pl->ob->leave_link;
1560	};	1868	})->prio (2);
1561	}	1869	}
1562	},	1870	},
1563	);	1871	);
1564		1872
1565	=item $player_object->goto_map ($path, $x, $y)	1873	=item $player_object->goto ($path, $x, $y)
1566		1874
1567	=cut	1875	=cut
1568		1876
1569	sub cf::object::player::goto_map {	1877	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1878	my ($self, $path, $x, $y) = @_;
1571		1879
1572	$self->enter_link;	1880	$self->enter_link;
1573		1881
1574	(cf::async {	1882	(async {
1575	$path = new cf::path $path;	1883	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1884	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1885	$map = $map->customise_for ($self) if $map;
1579		1886	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1887	} or
1581	# if $map;
1582
1583	$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);
1584		1889
1585	$self->leave_link ($map, $x, $y);	1890	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1891	})->prio (1);
1587	}	1892	}
1588		1893
…		…
1592		1897
1593	sub parse_random_map_params {	1898	sub parse_random_map_params {
1594	my ($spec) = @_;	1899	my ($spec) = @_;
1595		1900
1596	my $rmp = { # defaults	1901	my $rmp = { # defaults
1597	xsize => 10,	1902	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1903	ysize => (cf::rndm 15, 40),
		1904	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1905	#layout => string,
1599	};	1906	};
1600		1907
1601	for (split /\n/, $spec) {	1908	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1909	my ($k, $v) = split /\s+/, $_, 2;
1603		1910
…		…
1607	$rmp	1914	$rmp
1608	}	1915	}
1609		1916
1610	sub prepare_random_map {	1917	sub prepare_random_map {
1611	my ($exit) = @_;	1918	my ($exit) = @_;
		1919
		1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1921
1613	# all this does is basically replace the /! path by	1922	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1923	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1924	# that depends on the exit object
1616		1925
1617	my $rmp = parse_random_map_params $exit->msg;	1926	my $rmp = parse_random_map_params $exit->msg;
1618		1927
1619	if ($exit->map) {	1928	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1929	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1930	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1931	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1932	$rmp->{origin_y} = $exit->y;
1624	}	1933	}
1625		1934
1626	$rmp->{random_seed} ||= $exit->random_seed;	1935	$rmp->{random_seed} ||= $exit->random_seed;
1627		1936
1628	my $data = cf::to_json $rmp;	1937	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1938	my $md5 = Digest::MD5::md5_hex $data;
		1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1940
1631	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) {
1632	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;
1633		1945
1634	$exit->slaying ("?random/$md5");	1946	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1947	$exit->msg (undef);
1636	}	1948	}
1637	}	1949	}
…		…
1639	sub cf::object::player::enter_exit {	1951	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1952	my ($self, $exit) = @_;
1641		1953
1642	return unless $self->type == cf::PLAYER;	1954	return unless $self->type == cf::PLAYER;
1643		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
1644	$self->enter_link;	1965	$self->enter_link;
1645		1966
1646	(cf::async {	1967	(async {
		1968	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1969	unless (eval {
1648	prepare_random_map $exit	1970	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1971
1654	1;	1972	1;
1655	}) {	1973	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1974	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "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. "
1658	. "Please report this to the dungeon master",	1976	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1977	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1978
1661	warn "ERROR in enter_exit: $@";	1979	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1980	$self->leave_link;
1663	}	1981	}
…		…
1718	# get handled first	2036	# get handled first
1719	my $queue = delete $ns->{query_queue}	2037	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2039
1722	(shift @$queue)->[1]->($msg);	2040	(shift @$queue)->[1]->($msg);
		2041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2042
1724	push @{ $ns->{query_queue} }, @$queue;	2043	push @{ $ns->{query_queue} }, @$queue;
1725		2044
1726	if (@{ $ns->{query_queue} } == @$queue) {	2045	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2046	if (@$queue) {
…		…
1731	}	2050	}
1732	}	2051	}
1733	},	2052	},
1734	);	2053	);
1735		2054
1736	=item $client->coro (\&cb)	2055	=item $client->async (\&cb)
1737		2056
1738	Create a new coroutine, running the specified callback. The coroutine will	2057	Create a new coroutine, running the specified callback. The coroutine will
1739	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,
1740	or loss of connection).	2059	or loss of connection).
1741		2060
1742	=cut	2061	=cut
1743		2062
1744	sub cf::client::coro {	2063	sub cf::client::async {
1745	my ($self, $cb) = @_;	2064	my ($self, $cb) = @_;
1746		2065
1747	my $coro = &cf::async ($cb);	2066	my $coro = &Coro::async ($cb);
1748		2067
1749	$coro->on_destroy (sub {	2068	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2069	delete $self->{_coro}{$coro+0};
1751	});	2070	});
1752		2071
…		…
1888	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
1889	using it, it should be unique.	2208	using it, it should be unique.
1890		2209
1891	=over 4	2210	=over 4
1892		2211
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2212	=item $value = cf::db_get $family => $key
1900		2213
1901	Returns a single value from the database	2214	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2215
1908	=item cf::db_put $family => $key => $value	2216	=item cf::db_put $family => $key => $value
1909		2217
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2218	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2219
1921	=cut	2220	=cut
1922		2221
1923	our $DB;	2222	our $DB;
1924		2223
1925	{	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
1926	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;
1927		2243
1928	sub db_load() {	2244	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2245	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2246	cf::db_put (rent => balance => $pst->{rent}{balance});
		2247	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2248
1932	my $pid;	2249	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2250	};
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});
1954
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {
1961	@_ >= 2
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965
1966	sub db_put($$;$) {
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2251	}
1980	);	2252	}
		2253	}
		2254
		2255	sub db_get($$) {
		2256	my $key = "$_[0]/$_[1]";
		2257
		2258	cf::sync_job {
		2259	BDB::db_get $DB, undef, $key, my $data;
		2260
		2261	$! ? ()
		2262	: Compress::LZF::sthaw $data
		2263	}
		2264	}
		2265
		2266	sub db_put($$$) {
		2267	BDB::dbreq_pri 4;
		2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1981	}	2269	}
1982		2270
1983	#############################################################################	2271	#############################################################################
1984	# the server's main()	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	1
		2295	}
		2296
		2297	sub reload_resources {
		2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2299	or die "unable to load regions file\n";#d#
		2300	load_faces
		2301	or die "unable to load faces\n";#d#
		2302	}
		2303
		2304	sub init {
		2305	reload_resources;
		2306	}
1985		2307
1986	sub cfg_load {	2308	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2309	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2310	or return;
1989		2311
1990	local $/;	2312	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2313	*CFG = YAML::Syck::Load <$fh>;
1992		2314
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2316
		2317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2319
1995	if (exists $CFG{mlockall}) {	2320	if (exists $CFG{mlockall}) {
1996	eval {	2321	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2322	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2323	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2324	};
2000	warn $@ if $@;	2325	warn $@ if $@;
2001	}	2326	}
2002	}	2327	}
2003		2328
2004	sub main {	2329	sub main {
2005	# we must not ever block the main coroutine	2330	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2331	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2333	(async {
2009	Event::one_event;	2334	Event::one_event;
2010	})->();	2335	})->prio (Coro::PRIO_MAX);
2011	};	2336	};
2012		2337
2013	cfg_load;	2338	cfg_load;
2014	db_load;	2339	db_init;
2015	load_extensions;	2340	load_extensions;
		2341
		2342	$TICK_WATCHER->start;
2016	Event::loop;	2343	Event::loop;
2017	}	2344	}
2018		2345
2019	#############################################################################	2346	#############################################################################
2020	# initialisation	2347	# initialisation and cleanup
		2348
		2349	# install some emergency cleanup handlers
		2350	BEGIN {
		2351	for my $signal (qw(INT HUP TERM)) {
		2352	Event->signal (
		2353	reentrant => 0,
		2354	data => WF_AUTOCANCEL,
		2355	signal => $signal,
		2356	prio => 0,
		2357	cb => sub {
		2358	cf::cleanup "SIG$signal";
		2359	},
		2360	);
		2361	}
		2362	}
		2363
		2364	sub emergency_save() {
		2365	my $freeze_guard = cf::freeze_mainloop;
		2366
		2367	warn "enter emergency perl save\n";
		2368
		2369	cf::sync_job {
		2370	# use a peculiar iteration method to avoid tripping on perl
		2371	# refcount bugs in for. also avoids problems with players
		2372	# and maps saved/destroyed asynchronously.
		2373	warn "begin emergency player save\n";
		2374	for my $login (keys %cf::PLAYER) {
		2375	my $pl = $cf::PLAYER{$login} or next;
		2376	$pl->valid or next;
		2377	$pl->save;
		2378	}
		2379	warn "end emergency player save\n";
		2380
		2381	warn "begin emergency map save\n";
		2382	for my $path (keys %cf::MAP) {
		2383	my $map = $cf::MAP{$path} or next;
		2384	$map->valid or next;
		2385	$map->save;
		2386	}
		2387	warn "end emergency map save\n";
		2388
		2389	warn "begin emergency database checkpoint\n";
		2390	BDB::db_env_txn_checkpoint $DB_ENV;
		2391	warn "end emergency database checkpoint\n";
		2392	};
		2393
		2394	warn "leave emergency perl save\n";
		2395	}
		2396
		2397	sub post_cleanup {
		2398	my ($make_core) = @_;
		2399
		2400	warn Carp::longmess "post_cleanup backtrace"
		2401	if $make_core;
		2402	}
2021		2403
2022	sub reload() {	2404	sub reload() {
2023	# can/must only be called in main	2405	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2406	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2407	warn "can only reload from main coroutine";
2026	return;	2408	return;
2027	}	2409	}
2028		2410
2029	warn "reloading...";	2411	warn "reloading...";
2030		2412
2031	local $FREEZE = 1;	2413	warn "entering sync_job";
		2414
		2415	cf::sync_job {
		2416	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2417	cf::emergency_save;
		2418	cf::write_runtime; # external watchdog should not bark
2033		2419
2034	eval {	2420	warn "syncing database to disk";
		2421	BDB::db_env_txn_checkpoint $DB_ENV;
		2422
2035	# if anything goes wrong in here, we should simply crash as we already saved	2423	# if anything goes wrong in here, we should simply crash as we already saved
2036		2424
2037	# cancel all watchers	2425	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2426	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2427	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2428	}
2041		2429
		2430	warn "flushing outstanding aio requests";
		2431	for (;;) {
		2432	BDB::flush;
		2433	IO::AIO::flush;
		2434	Coro::cede;
		2435	last unless IO::AIO::nreqs || BDB::nreqs;
		2436	warn "iterate...";
		2437	}
		2438
		2439	++$RELOAD;
		2440
2042	# cancel all extension coros	2441	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2442	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2443	%EXT_CORO = ();
2045		2444
2046	# unload all extensions	2445	warn "removing commands";
2047	for (@exts) {	2446	%COMMAND = ();
		2447
		2448	warn "removing ext commands";
		2449	%EXTCMD = ();
		2450
		2451	warn "unloading/nuking all extensions";
		2452	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2453	warn "... unloading $pkg";
2049	unload_extension $_;	2454
		2455	if (my $cb = $pkg->can ("unload")) {
		2456	eval {
		2457	$cb->($pkg);
		2458	1
		2459	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2460	}
2051		2461
		2462	warn "... nuking $pkg";
		2463	Symbol::delete_package $pkg;
		2464	}
		2465
2052	# unload all modules loaded from $LIBDIR	2466	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2467	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2468	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2469
2056	warn "removing <$k>";	2470	warn "... unloading $k";
2057	delete $INC{$k};	2471	delete $INC{$k};
2058		2472
2059	$k =~ s/\.pm$//;	2473	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2474	$k =~ s/\//::/g;
2061		2475
…		…
2064	}	2478	}
2065		2479
2066	Symbol::delete_package $k;	2480	Symbol::delete_package $k;
2067	}	2481	}
2068		2482
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2483	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2484	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2486
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2487	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2488	delete $INC{"cf.pm"};
2082		2489
2083	# don't, removes xs symbols, too,	2490	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2491	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2492	#Symbol::delete_package __PACKAGE__;
2086		2493
2087	# reload cf.pm	2494	warn "unload completed, starting to reload now";
		2495
2088	warn "reloading cf.pm";	2496	warn "reloading cf.pm";
2089	require cf;	2497	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2499
2092	# load config and database again	2500	warn "loading config and database again";
2093	cf::cfg_load;	2501	cf::cfg_load;
2094	cf::db_load;
2095		2502
2096	# load extensions
2097	warn "load extensions";	2503	warn "loading extensions";
2098	cf::load_extensions;	2504	cf::load_extensions;
2099		2505
2100	# reattach attachments to objects	2506	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2507	_global_reattach; # objects, sockets
2102	_global_reattach;	2508	warn "reattaching attachments to maps";
2103	};	2509	reattach $_ for values %MAP;
		2510	warn "reattaching attachments to players";
		2511	reattach $_ for values %PLAYER;
2104		2512
2105	if ($@) {	2513	warn "loading reloadable resources";
		2514	reload_resources;
		2515
		2516	warn "leaving sync_job";
		2517
		2518	1
		2519	} or do {
2106	warn $@;	2520	warn $@;
2107	warn "error while reloading, exiting.";	2521	warn "error while reloading, exiting.";
2108	exit 1;	2522	exit 1;
2109	}	2523	};
2110		2524
2111	warn "reloaded successfully";	2525	warn "reloaded";
2112	};	2526	};
2113		2527
2114	#############################################################################	2528	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2529
2159	register_command "reload" => sub {	2530	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2531	my ($who, $arg) = @_;
2161		2532
2162	if ($who->flag (FLAG_WIZ)) {	2533	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2534	$who->message ("reloading server.");
		2535
		2536	# doing reload synchronously and two reloads happen back-to-back,
		2537	# coro crashes during coro_state_free->destroy here.
		2538
		2539	$RELOAD_WATCHER ||= Event->timer (
		2540	reentrant => 0,
		2541	after => 0,
		2542	data => WF_AUTOCANCEL,
		2543	cb => sub {
2164	reload;	2544	reload;
2165	$who->message ("end of reload.");	2545	undef $RELOAD_WATCHER;
		2546	},
		2547	);
2166	}	2548	}
2167	};	2549	};
2168		2550
2169	unshift @INC, $LIBDIR;	2551	unshift @INC, $LIBDIR;
		2552
		2553	my $bug_warning = 0;
2170		2554
2171	$TICK_WATCHER = Event->timer (	2555	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2556	reentrant => 0,
		2557	parked => 1,
2173	prio => 0,	2558	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2559	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2560	data => WF_AUTOCANCEL,
2176	cb => sub {	2561	cb => sub {
2177	unless ($FREEZE) {	2562	if ($Coro::current != $Coro::main) {
		2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2564	unless ++$bug_warning > 10;
		2565	return;
		2566	}
		2567
		2568	$NOW = Event::time;
		2569
2178	cf::server_tick; # one server iteration	2570	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2571	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2572	$NEXT_TICK += $TICK;
		2573
		2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2575	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2576	Coro::async_pool {
		2577	write_runtime
		2578	or warn "ERROR: unable to write runtime file: $!";
		2579	};
		2580	}
		2581
		2582	$WAIT_FOR_TICK->broadcast;
		2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2584
		2585	# my $AFTER = Event::time;
		2586	# warn $AFTER - $NOW;#d#
2183		2587
2184	# if we are delayed by four ticks or more, skip them all	2588	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2590
2187	$TICK_WATCHER->at ($NEXT_TICK);	2591	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2592	$TICK_WATCHER->start;
2189	},	2593	},
2190	);	2594	);
2191		2595
		2596	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2597	BDB::max_poll_time $TICK * 0.1;
2193		2598	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2599	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2600	fd => BDB::poll_fileno,
2196	poll => 'r',	2601	poll => 'r',
2197	prio => 5,	2602	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2603	data => WF_AUTOCANCEL,
2204	after => 0,	2604	cb => \&BDB::poll_cb,
2205	interval => 10,	2605	);
2206	cb => sub {	2606	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2607
2208	write_runtime	2608	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2609	my $status;
		2610	my $current = $Coro::current;
		2611	(
		2612	sub {
		2613	$status = $!;
		2614	$current->ready; undef $current;
		2615	},
		2616	sub {
		2617	Coro::schedule while defined $current;
		2618	$! = $status;
		2619	},
		2620	)
		2621	};
		2622
		2623	unless ($DB_ENV) {
		2624	$DB_ENV = BDB::db_env_create;
		2625
		2626	cf::sync_job {
		2627	eval {
		2628	BDB::db_env_open
		2629	$DB_ENV,
		2630	$BDB_ENV_DIR,
		2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2633	0666;
		2634
		2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2636
		2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2638	$DB_ENV->set_lk_detect;
		2639	};
		2640
		2641	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2642	};
2211	},	2643	}
2212	);	2644	}
		2645
		2646	{
		2647	IO::AIO::min_parallel 8;
		2648
		2649	undef $Coro::AIO::WATCHER;
		2650	IO::AIO::max_poll_time $TICK * 0.1;
		2651	$AIO_POLL_WATCHER = Event->io (
		2652	reentrant => 0,
		2653	data => WF_AUTOCANCEL,
		2654	fd => IO::AIO::poll_fileno,
		2655	poll => 'r',
		2656	prio => 6,
		2657	cb => \&IO::AIO::poll_cb,
		2658	);
		2659	}
2213		2660
2214	END { cf::emergency_save }	2661	END { cf::emergency_save }
2215		2662
2216	1	2663	1
2217		2664

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