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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.118 by root, Mon Jan 1 21:19:52 2007 UTC vs.
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
185		292
186	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
187		294
188	The design of crossfire+ requires that the main coro ($Coro::main) is	295	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	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
205		312
206	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	314	# (but this is cancel-safe)
208	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
209		316
210	my $busy = 1;	317	my $busy = 1;
211	my @res;	318	my @res;
212		319
213	(Coro::async {	320	(async {
214	@res = eval { $job->() };	321	@res = eval { $job->() };
215	warn $@ if $@;	322	warn $@ if $@;
216	undef $busy;	323	undef $busy;
217	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
218		325
219	while ($busy) {	326	while ($busy) {
220	Coro::cede_notself;	327	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	328	}
223		329
224	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
225	} else {	331	} else {
226	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
227		333
228	$job->()	334	$job->()
229	}	335	}
230	}	336	}
231		337
232	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
233		339
234	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
236		342
237	=cut	343	=cut
238		344
239	sub coro(&) {	345	sub async_ext(&) {
240	my $cb = shift;	346	my $cb = shift;
241		347
242	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		349
249	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
251	});	352	});
252	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
…		…
258	my $runtime = cf::localdir . "/runtime";	359	my $runtime = cf::localdir . "/runtime";
259		360
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	362	or return;
262		363
		364	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	365	# 10 is the runtime save interval, for a monotonic clock
		366	# 60 allows for the watchdog to kill the server.
		367
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	369	and return;
266		370
		371	# always fsync - this file is important
267	aio_fsync $fh	372	aio_fsync $fh
268	and return;	373	and return;
269		374
270	close $fh	375	close $fh
271	or return;	376	or return;
…		…
277	}	382	}
278		383
279	=back	384	=back
280		385
281	=cut	386	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		387
403	#############################################################################	388	#############################################################################
404		389
405	=head2 ATTACHABLE OBJECTS	390	=head2 ATTACHABLE OBJECTS
406		391
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	517	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	518	our @CB_MAP = ();
534		519
535	my %attachment;	520	my %attachment;
536		521
		522	sub cf::attachable::thawer_merge {
		523	# simply override everything except _meta
		524	local $_[0]{_meta};
		525	%{$_[0]} = %{$_[1]};
		526	}
		527
537	sub _attach_cb($$$$) {	528	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	529	my ($registry, $event, $prio, $cb) = @_;
539		530
540	use sort 'stable';	531	use sort 'stable';
541		532
…		…
712	# object support	703	# object support
713		704
714	sub reattach {	705	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	706	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	707	my ($obj) = @_;
		708
		709	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		710
718	my $registry = $obj->registry;	711	my $registry = $obj->registry;
719		712
720	@$registry = ();	713	@$registry = ();
721		714
…		…
768	$filename, length $$rdata, scalar @$objs;	761	$filename, length $$rdata, scalar @$objs;
769		762
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	764	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	766	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	767	close $fh;
775		768
776	if (@$objs) {	769	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	772	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	773	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	774	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	775	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	776	aio_rename "$filename.pst~", "$filename.pst";
784	}	777	}
785	} else {	778	} else {
786	aio_unlink "$filename.pst";	779	aio_unlink "$filename.pst";
…		…
792	}	785	}
793	} else {	786	} else {
794	aio_unlink $filename;	787	aio_unlink $filename;
795	aio_unlink "$filename.pst";	788	aio_unlink "$filename.pst";
796	}	789	}
		790
		791	#d##TODO# nuke non .map-files if exist
		792	if ($filename =~ s/\.map$//) {
		793	aio_unlink $filename;
		794	aio_unlink "$filename.pst";
		795	}
797	}	796	}
798	}	797	}
799		798
800	sub object_freezer_as_string {	799	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	800	my ($rdata, $objs) = @_;
…		…
807		806
808	sub object_thawer_load {	807	sub object_thawer_load {
809	my ($filename) = @_;	808	my ($filename) = @_;
810		809
811	my ($data, $av);	810	my ($data, $av);
		811
		812	#d#TODO remove .map if file does not exist
		813	aio_stat $filename and $filename =~ s/\.map$//;
812		814
813	(aio_load $filename, $data) >= 0	815	(aio_load $filename, $data) >= 0
814	or return;	816	or return;
815		817
816	unless (aio_stat "$filename.pst") {	818	unless (aio_stat "$filename.pst") {
…		…
853	=cut	855	=cut
854		856
855	sub register_extcmd {	857	sub register_extcmd {
856	my ($name, $cb) = @_;	858	my ($name, $cb) = @_;
857		859
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	860	$EXTCMD{$name} = $cb;
862	}	861	}
863		862
864	cf::player->attach (	863	cf::player->attach (
865	on_command => sub {	864	on_command => sub {
866	my ($pl, $name, $params) = @_;	865	my ($pl, $name, $params) = @_;
…		…
879		878
880	my $msg = eval { from_json $buf };	879	my $msg = eval { from_json $buf };
881		880
882	if (ref $msg) {	881	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	883	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	884	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	885	}
887	}	886	}
888	} else {	887	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		890
892	cf::override;	891	cf::override;
893	},	892	},
894	);	893	);
895		894
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	895	sub load_extension {
903	my ($path) = @_;	896	my ($path) = @_;
904		897
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	899	my $base = $1;
907	my $pkg = $1;	900	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	901	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	902	$pkg = "ext::$pkg";
910		903
911	warn "loading '$path' into '$pkg'\n";	904	warn "... loading '$path' into '$pkg'\n";
912		905
913	open my $fh, "<:utf8", $path	906	open my $fh, "<:utf8", $path
914	or die "$path: $!";	907	or die "$path: $!";
915		908
916	my $source =	909	my $source =
917	"package $pkg; use strict; use utf8;\n"	910	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	911	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	912	. (do { local $/; <$fh> })
920	. "\n};\n1";	913	. "\n};\n1";
921		914
922	eval $source	915	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	916	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	917	: "extension disabled.\n";
925		918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	919	warn $@;
927	$ext_pkg{$base} = $pkg;	920	warn "mandatory extension failed to load, exiting.\n";
928		921	exit 1;
929	# no strict 'refs';	922	}
930	# @{"$pkg\::ISA"} = ext::;	923	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	# }	924	}
945		925
946	# remove commands	926	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	}	927	}
971		928
972	sub load_extensions {	929	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	930	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	931	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	935	} or warn "$ext not loaded: $@";
979	}	936	}
980	}	937	}
981		938
982	#############################################################################	939	#############################################################################
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		940
1020	=head2 CORE EXTENSIONS	941	=head2 CORE EXTENSIONS
1021		942
1022	Functions and methods that extend core crossfire objects.	943	Functions and methods that extend core crossfire objects.
1023		944
		945	=cut
		946
		947	package cf::player;
		948
		949	use Coro::AIO;
		950
1024	=head3 cf::player	951	=head3 cf::player
1025		952
1026	=over 4	953	=over 4
1027		954
1028	=item cf::player::exists $login	955	=item cf::player::find $login
1029		956
1030	Returns true when the given account exists.	957	Returns the given player object, loading it if necessary (might block).
1031		958
1032	=cut	959	=cut
1033		960
1034	sub cf::player::exists($) {	961	sub playerdir($) {
1035	cf::player::find $_[0]	962	cf::localdir
1036	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	963	. "/"
		964	. cf::playerdir
		965	. "/"
		966	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		967	}
		968
		969	sub path($) {
		970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		971
		972	(playerdir $login) . "/$login.pl"
		973	}
		974
		975	sub find_active($) {
		976	$cf::PLAYER{$_[0]}
		977	and $cf::PLAYER{$_[0]}->active
		978	and $cf::PLAYER{$_[0]}
		979	}
		980
		981	sub exists($) {
		982	my ($login) = @_;
		983
		984	$cf::PLAYER{$login}
		985	or cf::sync_job { !aio_stat path $login }
		986	}
		987
		988	sub find($) {
		989	return $cf::PLAYER{$_[0]} || do {
		990	my $login = $_[0];
		991
		992	my $guard = cf::lock_acquire "user_find:$login";
		993
		994	$cf::PLAYER{$_[0]} || do {
		995	my $pl = load_pl path $login
		996	or return;
		997	$cf::PLAYER{$login} = $pl
		998	}
		999	}
		1000	}
		1001
		1002	sub save($) {
		1003	my ($pl) = @_;
		1004
		1005	return if $pl->{deny_save};
		1006
		1007	my $path = path $pl;
		1008	my $guard = cf::lock_acquire "user_save:$path";
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	aio_mkdir playerdir $pl, 0770;
		1013	$pl->{last_save} = $cf::RUNTIME;
		1014
		1015	$pl->save_pl ($path);
		1016	Coro::cede;
		1017	}
		1018
		1019	sub new($) {
		1020	my ($login) = @_;
		1021
		1022	my $self = create;
		1023
		1024	$self->ob->name ($login);
		1025	$self->{deny_save} = 1;
		1026
		1027	$cf::PLAYER{$login} = $self;
		1028
		1029	$self
		1030	}
		1031
		1032	=item $pl->quit_character
		1033
		1034	Nukes the player without looking back. If logged in, the connection will
		1035	be destroyed. May block for a long time.
		1036
		1037	=cut
		1038
		1039	sub quit_character {
		1040	my ($pl) = @_;
		1041
		1042	$pl->{deny_save} = 1;
		1043	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1044
		1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1046	$pl->deactivate;
		1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1048	$pl->ns->destroy if $pl->ns;
		1049
		1050	my $path = playerdir $pl;
		1051	my $temp = "$path~$cf::RUNTIME~deleting~";
		1052	aio_rename $path, $temp;
		1053	delete $cf::PLAYER{$pl->ob->name};
		1054	$pl->destroy;
		1055	IO::AIO::aio_rmtree $temp;
		1056	}
		1057
		1058	=item cf::player::list_logins
		1059
		1060	Returns am arrayref of all valid playernames in the system, can take a
		1061	while and may block, so not sync_job-capable, ever.
		1062
		1063	=cut
		1064
		1065	sub list_logins {
		1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1067	or return [];
		1068
		1069	my @logins;
		1070
		1071	for my $login (@$dirs) {
		1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1073	aio_read $fh, 0, 512, my $buf, 0 or next;
		1074	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1075
		1076	utf8::decode $login;
		1077	push @logins, $login;
		1078	}
		1079
		1080	\@logins
		1081	}
		1082
		1083	=item $player->maps
		1084
		1085	Returns an arrayref of map paths that are private for this
		1086	player. May block.
		1087
		1088	=cut
		1089
		1090	sub maps($) {
		1091	my ($pl) = @_;
		1092
		1093	$pl = ref $pl ? $pl->ob->name : $pl;
		1094
		1095	my $files = aio_readdir playerdir $pl
		1096	or return;
		1097
		1098	my @paths;
		1099
		1100	for (@$files) {
		1101	utf8::decode $_;
		1102	next if /\.(?:pl|pst)$/;
		1103	next unless /^$PATH_SEP/o;
		1104
		1105	push @paths, cf::map::normalise "~$pl/$_";
		1106	}
		1107
		1108	\@paths
1037	}	1109	}
1038		1110
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1111	=item $player->ext_reply ($msgid, $msgtype, %msg)
1040		1112
1041	Sends an ext reply to the player.	1113	Sends an ext reply to the player.
1042		1114
1043	=cut	1115	=cut
1044		1116
1045	sub cf::player::ext_reply($$$%) {	1117	sub ext_reply($$$%) {
1046	my ($self, $id, %msg) = @_;	1118	my ($self, $id, %msg) = @_;
1047		1119
1048	$msg{msgid} = $id;	1120	$msg{msgid} = $id;
1049		1121
1050	$self->send ("ext " . to_json \%msg);	1122	$self->send ("ext " . cf::to_json \%msg);
1051	}	1123	}
		1124
		1125	package cf;
1052		1126
1053	=back	1127	=back
1054		1128
1055		1129
1056	=head3 cf::map	1130	=head3 cf::map
…		…
1062	package cf::map;	1136	package cf::map;
1063		1137
1064	use Fcntl;	1138	use Fcntl;
1065	use Coro::AIO;	1139	use Coro::AIO;
1066		1140
		1141	use overload
		1142	'""' => \&as_string,
		1143	fallback => 1;
		1144
1067	our $MAX_RESET = 7200;	1145	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1146	our $DEFAULT_RESET = 3000;
1069		1147
1070	sub generate_random_map {	1148	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1149	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1150	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1151	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1155	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1156	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(cf::region::find $rmp->{region})	1162	(cf::region::find $rmp->{region}), $rmp->{custom}
		1163	)
		1164	}
		1165
		1166	=item cf::map->register ($regex, $prio)
		1167
		1168	Register a handler for the map path matching the given regex at the
		1169	givne priority (higher is better, built-in handlers have priority 0, the
		1170	default).
		1171
		1172	=cut
		1173
		1174	sub register {
		1175	my (undef, $regex, $prio) = @_;
		1176	my $pkg = caller;
		1177
		1178	no strict;
		1179	push @{"$pkg\::ISA"}, __PACKAGE__;
		1180
		1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1182	}
		1183
		1184	# also paths starting with '/'
		1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1186
		1187	sub thawer_merge {
		1188	my ($self, $merge) = @_;
		1189
		1190	# we have to keep some variables in memory intact
		1191	local $self->{path};
		1192	local $self->{load_path};
		1193	local $self->{deny_save};
		1194	local $self->{deny_reset};
		1195
		1196	$self->SUPER::thawer_merge ($merge);
		1197	}
		1198
		1199	sub normalise {
		1200	my ($path, $base) = @_;
		1201
		1202	$path = "$path"; # make sure its a string
		1203
		1204	$path =~ s/\.map$//;
		1205
		1206	# map plan:
		1207	#
		1208	# /! non-realised random map exit (special hack!)
		1209	# {... are special paths that are not being touched
		1210	# ?xxx/... are special absolute paths
		1211	# ?random/... random maps
		1212	# /... normal maps
		1213	# ~user/... per-player map of a specific user
		1214
		1215	$path =~ s/$PATH_SEP/\//go;
		1216
		1217	# treat it as relative path if it starts with
		1218	# something that looks reasonable
		1219	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1220	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1221
		1222	$base =~ s{[^/]+/?$}{};
		1223	$path = "$base/$path";
		1224	}
		1225
		1226	for ($path) {
		1227	redo if s{//}{/};
		1228	redo if s{/\.?/}{/};
		1229	redo if s{/[^/]+/\.\./}{/};
		1230	}
		1231
		1232	$path
		1233	}
		1234
		1235	sub new_from_path {
		1236	my (undef, $path, $base) = @_;
		1237
		1238	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1239
		1240	$path = normalise $path, $base;
		1241
		1242	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1243	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1244	my $self = bless cf::map::new, $pkg;
		1245	$self->{path} = $path; $self->path ($path);
		1246	$self->init; # pass $1 etc.
		1247	return $self;
		1248	}
		1249	}
		1250
		1251	Carp::carp "unable to resolve path '$path' (base '$base').";
		1252	()
		1253	}
		1254
		1255	sub init {
		1256	my ($self) = @_;
		1257
		1258	$self
		1259	}
		1260
		1261	sub as_string {
		1262	my ($self) = @_;
		1263
		1264	"$self->{path}"
		1265	}
		1266
		1267	# the displayed name, this is a one way mapping
		1268	sub visible_name {
		1269	&as_string
		1270	}
		1271
		1272	# the original (read-only) location
		1273	sub load_path {
		1274	my ($self) = @_;
		1275
		1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1277	}
		1278
		1279	# the temporary/swap location
		1280	sub save_path {
		1281	my ($self) = @_;
		1282
		1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1285	}
		1286
		1287	# the unique path, undef == no special unique path
		1288	sub uniq_path {
		1289	my ($self) = @_;
		1290
		1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1087	}	1293	}
1088		1294
1089	# and all this just because we cannot iterate over	1295	# and all this just because we cannot iterate over
1090	# all maps in C++...	1296	# all maps in C++...
1091	sub change_all_map_light {	1297	sub change_all_map_light {
1092	my ($change) = @_;	1298	my ($change) = @_;
1093		1299
1094	$_->change_map_light ($change) for values %cf::MAP;	1300	$_->change_map_light ($change)
		1301	for grep $_->outdoor, values %cf::MAP;
1095	}	1302	}
1096		1303
		1304	sub unlink_save {
		1305	my ($self) = @_;
		1306
		1307	utf8::encode (my $save = $self->save_path);
		1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1310
		1311	#d#TODO remove .map and also nuke
		1312	$save =~ s/\.map// or return;#d#
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1315	}
		1316
1097	sub try_load_header($) {	1317	sub load_header_from($) {
1098	my ($path) = @_;	1318	my ($self, $path) = @_;
1099		1319
1100	utf8::encode $path;	1320	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1321	#aio_open $path, O_RDONLY, 0
		1322	# or return;
		1323
		1324	$self->_load_header ($path)
1102	or return;	1325	or return;
1103		1326
1104	my $map = cf::map::new	1327	$self->{load_path} = $path;
		1328
		1329	1
		1330	}
		1331
		1332	sub load_header_orig {
		1333	my ($self) = @_;
		1334
		1335	$self->load_header_from ($self->load_path)
		1336	}
		1337
		1338	sub load_header_temp {
		1339	my ($self) = @_;
		1340
		1341	$self->load_header_from ($self->save_path)
		1342	}
		1343
		1344	sub prepare_temp {
		1345	my ($self) = @_;
		1346
		1347	$self->last_access ((delete $self->{last_access})
		1348	|| $cf::RUNTIME); #d#
		1349	# safety
		1350	$self->{instantiate_time} = $cf::RUNTIME
		1351	if $self->{instantiate_time} > $cf::RUNTIME;
		1352	}
		1353
		1354	sub prepare_orig {
		1355	my ($self) = @_;
		1356
		1357	$self->{load_original} = 1;
		1358	$self->{instantiate_time} = $cf::RUNTIME;
		1359	$self->last_access ($cf::RUNTIME);
		1360	$self->instantiate;
		1361	}
		1362
		1363	sub load_header {
		1364	my ($self) = @_;
		1365
		1366	if ($self->load_header_temp) {
		1367	$self->prepare_temp;
		1368	} else {
		1369	$self->load_header_orig
1105	or return;	1370	or return;
		1371	$self->prepare_orig;
		1372	}
1106		1373
1107	$map->load_header ($path)	1374	1
1108	or return;
1109
1110	$map->{load_path} = $path;
1111
1112	$map
1113	}	1375	}
1114		1376
		1377	sub find;
1115	sub find_map {	1378	sub find {
1116	my ($path, $origin) = @_;	1379	my ($path, $origin) = @_;
1117		1380
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1381	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1382
		1383	cf::lock_wait "map_find:$path";
		1384
1123	$cf::MAP{$key} || do {	1385	$cf::MAP{$path} || do {
1124	# do it the slow way	1386	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1387	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;	1388	or return;
1139		1389
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;	1390	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1391
1154	if ($map->should_reset) {	1392	$map->load_header
		1393	or return;
		1394
		1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1396	# doing this can freeze the server in a sync job, obviously
		1397	#$cf::WAIT_FOR_TICK->wait;
1155	$map->reset;	1398	$map->reset;
1156	$map = find_map $path;	1399	undef $guard;
		1400	return find $path;
1157	}	1401	}
1158		1402
1159	$cf::MAP{$key} = $map	1403	$cf::MAP{$path} = $map
1160	}	1404	}
1161	}	1405	}
		1406
		1407	sub pre_load { }
		1408	sub post_load { }
1162		1409
1163	sub load {	1410	sub load {
1164	my ($self) = @_;	1411	my ($self) = @_;
1165		1412
		1413	local $self->{deny_reset} = 1; # loading can take a long time
		1414
		1415	my $path = $self->{path};
		1416	my $guard = cf::lock_acquire "map_load:$path";
		1417
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1418	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1419
1168	$self->in_memory (cf::MAP_LOADING);	1420	$self->in_memory (cf::MAP_LOADING);
1169		1421
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1422	$self->alloc;
		1423
		1424	$self->pre_load;
		1425
1173	$self->load_objects ($self->{load_path}, 1)	1426	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1427	or return;
1175		1428
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1430	if delete $self->{load_original};
1178		1431
1179	if (my $uniq = $path->uniq_path) {	1432	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1433	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1434	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1435	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1436	$self->_load_objects ($uniq, 0);
1184	}	1437	}
1185	}	1438	}
		1439
		1440	Coro::cede;
1186		1441
1187	# now do the right thing for maps	1442	# now do the right thing for maps
1188	$self->link_multipart_objects;	1443	$self->link_multipart_objects;
1189		1444
1190	if ($self->{path}->is_style_map) {	1445	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1446	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1447	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1448	$self->update_buttons;
		1449	Coro::cede;
1197	$self->set_darkness_map;	1450	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1451	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1452	unless $self->difficulty;
		1453	Coro::cede;
1200	$self->activate;	1454	$self->activate;
1201	}	1455	}
1202		1456
		1457	$self->post_load;
		1458
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1459	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1460	}
1205		1461
1206	sub load_map_sync {	1462	sub customise_for {
		1463	my ($self, $ob) = @_;
		1464
		1465	return find "~" . $ob->name . "/" . $self->{path}
		1466	if $self->per_player;
		1467
		1468	$self
		1469	}
		1470
		1471	# find and load all maps in the 3x3 area around a map
		1472	sub load_diag {
		1473	my ($map) = @_;
		1474
		1475	my @diag; # diagonal neighbours
		1476
		1477	for (0 .. 3) {
		1478	my $neigh = $map->tile_path ($_)
		1479	or next;
		1480	$neigh = find $neigh, $map
		1481	or next;
		1482	$neigh->load;
		1483
		1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1486	}
		1487
		1488	for (@diag) {
		1489	my $neigh = find @$_
		1490	or next;
		1491	$neigh->load;
		1492	}
		1493	}
		1494
		1495	sub find_sync {
1207	my ($path, $origin) = @_;	1496	my ($path, $origin) = @_;
1208		1497
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1498	cf::sync_job { find $path, $origin }
		1499	}
1210		1500
1211	cf::sync_job {	1501	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1502	my ($map) = @_;
1213	or return;	1503
		1504	cf::sync_job { $map->load };
		1505	}
		1506
		1507	our %MAP_PREFETCH;
		1508	our $MAP_PREFETCHER = undef;
		1509
		1510	sub find_async {
		1511	my ($path, $origin) = @_;
		1512
		1513	$path = normalise $path, $origin && $origin->{path};
		1514
		1515	if (my $map = $cf::MAP{$path}) {
		1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1517	}
		1518
		1519	undef $MAP_PREFETCH{$path};
		1520	$MAP_PREFETCHER ||= cf::async {
		1521	while (%MAP_PREFETCH) {
		1522	for my $path (keys %MAP_PREFETCH) {
		1523	my $map = find $path
		1524	or next;
1214	$map->load;	1525	$map->load;
1215	$map	1526
		1527	delete $MAP_PREFETCH{$path};
		1528	}
		1529	}
		1530	undef $MAP_PREFETCHER;
1216	}	1531	};
		1532	$MAP_PREFETCHER->prio (6);
		1533
		1534	()
1217	}	1535	}
1218		1536
1219	sub save {	1537	sub save {
1220	my ($self) = @_;	1538	my ($self) = @_;
1221		1539
		1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1541
1222	$self->{last_save} = $cf::RUNTIME;	1542	$self->{last_save} = $cf::RUNTIME;
1223		1543
1224	return unless $self->dirty;	1544	return unless $self->dirty;
1225		1545
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1546	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1547	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1548
1229	$self->{load_path} = $save;	1549	$self->{load_path} = $save;
1230		1550
1231	return if $self->{deny_save};	1551	return if $self->{deny_save};
1232		1552
		1553	local $self->{last_access} = $self->last_access;#d#
		1554
		1555	cf::async {
		1556	$_->contr->save for $self->players;
		1557	};
		1558
1233	if ($uniq) {	1559	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1562	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1564	}
1239	}	1565	}
1240		1566
1241	sub swap_out {	1567	sub swap_out {
1242	my ($self) = @_;	1568	my ($self) = @_;
		1569
		1570	# save first because save cedes
		1571	$self->save;
		1572
		1573	my $lock = cf::lock_acquire "map_data:" . $self->path;
1243		1574
1244	return if $self->players;	1575	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1577	return if $self->{deny_save};
1247		1578
1248	$self->save;
1249	$self->clear;	1579	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1580	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1581	}
1252		1582
1253	sub reset_at {	1583	sub reset_at {
1254	my ($self) = @_;	1584	my ($self) = @_;
1255		1585
1256	# TODO: safety, remove and allow resettable per-player maps	1586	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1588	return 1e99 if $self->{deny_reset};
1259		1589
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1592
…		…
1267	my ($self) = @_;	1597	my ($self) = @_;
1268		1598
1269	$self->reset_at <= $cf::RUNTIME	1599	$self->reset_at <= $cf::RUNTIME
1270	}	1600	}
1271		1601
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 {	1602	sub reset {
1294	my ($self) = @_;	1603	my ($self) = @_;
1295		1604
		1605	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1606
1296	return if $self->players;	1607	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1608	return if $self->isa ("ext::map_per_player");#d#
1298		1609
1299	warn "resetting map ", $self->path;#d#	1610	warn "resetting map ", $self->path;#d#
1300		1611
		1612	$self->in_memory (cf::MAP_SWAPPED);
		1613
		1614	# need to save uniques path
		1615	unless ($self->{deny_save}) {
		1616	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1617
		1618	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1619	if $uniq;
		1620	}
		1621
1301	delete $cf::MAP{$self->path};	1622	delete $cf::MAP{$self->path};
		1623
		1624	$self->clear;
1302		1625
1303	$_->clear_links_to ($self) for values %cf::MAP;	1626	$_->clear_links_to ($self) for values %cf::MAP;
1304		1627
1305	$self->unlink_save;	1628	$self->unlink_save;
1306	$self->destroy;	1629	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1632	my $nuke_counter = "aaaa";
1310		1633
1311	sub nuke {	1634	sub nuke {
1312	my ($self) = @_;	1635	my ($self) = @_;
1313		1636
		1637	delete $cf::MAP{$self->path};
		1638
		1639	$self->unlink_save;
		1640
		1641	bless $self, "cf::map";
		1642	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1643	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1644	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1646
		1647	$cf::MAP{$self->path} = $self;
		1648
1317	$self->reset; # polite request, might not happen	1649	$self->reset; # polite request, might not happen
1318	}	1650	}
1319		1651
1320	sub customise_for {	1652	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1653
1323	if ($map->per_player) {	1654	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1655	instantiated unique items. May block.
1325	}
1326		1656
1327	$map	1657	=cut
1328	}
1329		1658
1330	sub emergency_save {	1659	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1661	or return;
1332		1662
1333	warn "enter emergency map save\n";	1663	my @paths;
1334		1664
1335	cf::sync_job {	1665	for (@$files) {
1336	warn "begin emergency map save\n";	1666	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1667	next if /\.pst$/;
		1668	next unless /^$PATH_SEP/o;
		1669
		1670	push @paths, cf::map::normalise $_;
1338	};	1671	}
1339		1672
1340	warn "end emergency map save\n";	1673	\@paths
1341	}	1674	}
1342		1675
1343	package cf;	1676	package cf;
1344		1677
1345	=back	1678	=back
1346		1679
		1680	=head3 cf::object
		1681
		1682	=cut
		1683
		1684	package cf::object;
		1685
		1686	=over 4
		1687
		1688	=item $ob->inv_recursive
		1689
		1690	Returns the inventory of the object _and_ their inventories, recursively.
		1691
		1692	=cut
		1693
		1694	sub inv_recursive_;
		1695	sub inv_recursive_ {
		1696	map { $_, inv_recursive_ $_->inv } @_
		1697	}
		1698
		1699	sub inv_recursive {
		1700	inv_recursive_ inv $_[0]
		1701	}
		1702
		1703	package cf;
		1704
		1705	=back
1347		1706
1348	=head3 cf::object::player	1707	=head3 cf::object::player
1349		1708
1350	=over 4	1709	=over 4
1351		1710
…		…
1391		1750
1392	=item $player_object->enter_link	1751	=item $player_object->enter_link
1393		1752
1394	Freezes the player and moves him/her to a special map (C<{link}>).	1753	Freezes the player and moves him/her to a special map (C<{link}>).
1395		1754
1396	The player should be reaosnably safe there for short amounts of time. You	1755	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.	1756	I<MUST> call C<leave_link> as soon as possible, though.
1398		1757
		1758	Will never block.
		1759
1399	=item $player_object->leave_link ($map, $x, $y)	1760	=item $player_object->leave_link ($map, $x, $y)
1400		1761
1401	Moves the player out of the specila link map onto the given map. If the	1762	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	1763	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,	1764	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1765	fails, to the emergency map position.
1405		1766
1406	Might block.	1767	Might block.
1407		1768
1408	=cut	1769	=cut
		1770
		1771	sub link_map {
		1772	unless ($LINK_MAP) {
		1773	$LINK_MAP = cf::map::find "{link}"
		1774	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1775	$LINK_MAP->load;
		1776	}
		1777
		1778	$LINK_MAP
		1779	}
1409		1780
1410	sub cf::object::player::enter_link {	1781	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1782	my ($self) = @_;
1412		1783
1413	return if $self->map == $LINK_MAP;	1784	$self->deactivate_recursive;
1414		1785
		1786	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1787
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1789	if $self->map;
1417		1790
1418	$self->enter_map ($LINK_MAP, 20, 20);	1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1792	}
1421		1793
1422	sub cf::object::player::leave_link {	1794	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1795	my ($self, $map, $x, $y) = @_;
1424		1796
1425	my $link_pos = delete $self->{_link_pos};	1797	my $link_pos = delete $self->{_link_pos};
1426		1798
1427	unless ($map) {	1799	unless ($map) {
1428	# restore original map position	1800	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1801	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1802	$map = cf::map::find $map;
1431		1803
1432	unless ($map) {	1804	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1805	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1806	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1807	or die "FATAL: cannot load emergency map\n";
1436	}	1808	}
1437	}	1809	}
1438		1810
1439	($x, $y) = (-1, -1)	1811	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1814	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1815	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1816	if $x <=0 && $y <= 0;
1445		1817
1446	$map->load;	1818	$map->load;
		1819	$map->load_diag;
1447		1820
		1821	return unless $self->contr->active;
1448	$self->activate_recursive;	1822	$self->activate_recursive;
		1823
		1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1825	$self->enter_map ($map, $x, $y);
1450	}	1826	}
1451		1827
		1828	cf::player->attach (
		1829	on_logout => sub {
		1830	my ($pl) = @_;
		1831
		1832	# abort map switching before logout
		1833	if ($pl->ob->{_link_pos}) {
		1834	cf::sync_job {
		1835	$pl->ob->leave_link
		1836	};
		1837	}
		1838	},
		1839	on_login => sub {
		1840	my ($pl) = @_;
		1841
		1842	# try to abort aborted map switching on player login :)
		1843	# should happen only on crashes
		1844	if ($pl->ob->{_link_pos}) {
		1845	$pl->ob->enter_link;
		1846	(async {
		1847	$pl->ob->reply (undef,
		1848	"There was an internal problem at your last logout, "
		1849	. "the server will try to bring you to your intended destination in a second.",
		1850	cf::NDI_RED);
		1851	# we need this sleep as the login has a concurrent enter_exit running
		1852	# and this sleep increases chances of the player not ending up in scorn
		1853	Coro::Timer::sleep 1;
		1854	$pl->ob->leave_link;
		1855	})->prio (2);
		1856	}
		1857	},
		1858	);
		1859
1452	=item $player_object->goto_map ($path, $x, $y)	1860	=item $player_object->goto ($path, $x, $y)
1453		1861
1454	=cut	1862	=cut
1455		1863
1456	sub cf::object::player::goto_map {	1864	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1865	my ($self, $path, $x, $y) = @_;
1458		1866
1459	$self->enter_link;	1867	$self->enter_link;
1460		1868
1461	(Coro::async {	1869	(async {
1462	$path = new cf::path $path;	1870	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1871	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1872	$map = $map->customise_for ($self) if $map;
1466
1467	warn "entering ", $map->path, " at ($x, $y)\n"
1468	if $map;	1873	$map
1469		1874	} or
1470	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1471		1876
1472	$self->leave_link ($map, $x, $y);	1877	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1878	})->prio (1);
1474	}	1879	}
1475		1880
…		…
1479		1884
1480	sub parse_random_map_params {	1885	sub parse_random_map_params {
1481	my ($spec) = @_;	1886	my ($spec) = @_;
1482		1887
1483	my $rmp = { # defaults	1888	my $rmp = { # defaults
1484	xsize => 10,	1889	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1890	ysize => (cf::rndm 15, 40),
		1891	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1892	#layout => string,
1486	};	1893	};
1487		1894
1488	for (split /\n/, $spec) {	1895	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1896	my ($k, $v) = split /\s+/, $_, 2;
1490		1897
…		…
1494	$rmp	1901	$rmp
1495	}	1902	}
1496		1903
1497	sub prepare_random_map {	1904	sub prepare_random_map {
1498	my ($exit) = @_;	1905	my ($exit) = @_;
		1906
		1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1908
1500	# all this does is basically replace the /! path by	1909	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1910	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1911	# that depends on the exit object
1503		1912
1504	my $rmp = parse_random_map_params $exit->msg;	1913	my $rmp = parse_random_map_params $exit->msg;
1505		1914
1506	if ($exit->map) {	1915	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1916	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1917	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1918	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1919	$rmp->{origin_y} = $exit->y;
1511	}	1920	}
1512		1921
1513	$rmp->{random_seed} ||= $exit->random_seed;	1922	$rmp->{random_seed} ||= $exit->random_seed;
1514		1923
1515	my $data = cf::to_json $rmp;	1924	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1925	my $md5 = Digest::MD5::md5_hex $data;
		1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1927
1518	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1519	aio_write $fh, 0, (length $data), $data, 0;	1929	aio_write $fh, 0, (length $data), $data, 0;
		1930	undef $fh;
		1931	aio_rename "$meta~", $meta;
1520		1932
1521	$exit->slaying ("?random/$md5");	1933	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1934	$exit->msg (undef);
1523	}	1935	}
1524	}	1936	}
…		…
1526	sub cf::object::player::enter_exit {	1938	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	1939	my ($self, $exit) = @_;
1528		1940
1529	return unless $self->type == cf::PLAYER;	1941	return unless $self->type == cf::PLAYER;
1530		1942
		1943	if ($exit->slaying eq "/!") {
		1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1945	cf::sync_job { prepare_random_map $exit };
		1946	}
		1947
		1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1949	my $hp = $exit->stats->hp;
		1950	my $sp = $exit->stats->sp;
		1951
1531	$self->enter_link;	1952	$self->enter_link;
1532		1953
1533	(Coro::async {	1954	(async {
		1955	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	1956	unless (eval {
1535		1957	$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		1958
1542	1;	1959	1;
1543	}) {	1960	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	1961	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "I'll try to bring you back to the map you were before. "	1962	. "I'll try to bring you back to the map you were before. "
1546	. "Please report this to the dungeon master",	1963	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	1964	cf::NDI_UNIQUE | cf::NDI_RED);
1548		1965
1549	warn "ERROR in enter_exit: $@";	1966	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	1967	$self->leave_link;
1551	}	1968	}
…		…
1602	on_reply => sub {	2019	on_reply => sub {
1603	my ($ns, $msg) = @_;	2020	my ($ns, $msg) = @_;
1604		2021
1605	# this weird shuffling is so that direct followup queries	2022	# this weird shuffling is so that direct followup queries
1606	# get handled first	2023	# get handled first
1607	my $queue = delete $ns->{query_queue};	2024	my $queue = delete $ns->{query_queue}
		2025	or return; # be conservative, not sure how that can happen, but we saw a crash here
1608		2026
1609	(shift @$queue)->[1]->($msg);	2027	(shift @$queue)->[1]->($msg);
		2028	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2029
1611	push @{ $ns->{query_queue} }, @$queue;	2030	push @{ $ns->{query_queue} }, @$queue;
1612		2031
1613	if (@{ $ns->{query_queue} } == @$queue) {	2032	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2033	if (@$queue) {
…		…
1618	}	2037	}
1619	}	2038	}
1620	},	2039	},
1621	);	2040	);
1622		2041
1623	=item $client->coro (\&cb)	2042	=item $client->async (\&cb)
1624		2043
1625	Create a new coroutine, running the specified callback. The coroutine will	2044	Create a new coroutine, running the specified callback. The coroutine will
1626	be automatically cancelled when the client gets destroyed (e.g. on logout,	2045	be automatically cancelled when the client gets destroyed (e.g. on logout,
1627	or loss of connection).	2046	or loss of connection).
1628		2047
1629	=cut	2048	=cut
1630		2049
1631	sub cf::client::coro {	2050	sub cf::client::async {
1632	my ($self, $cb) = @_;	2051	my ($self, $cb) = @_;
1633		2052
1634	my $coro; $coro = async {	2053	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2054
1641	$coro->on_destroy (sub {	2055	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2056	delete $self->{_coro}{$coro+0};
1643	});	2057	});
1644		2058
…		…
1780	The parameter C<$family> should best start with the name of the extension	2194	The parameter C<$family> should best start with the name of the extension
1781	using it, it should be unique.	2195	using it, it should be unique.
1782		2196
1783	=over 4	2197	=over 4
1784		2198
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	2199	=item $value = cf::db_get $family => $key
1792		2200
1793	Returns a single value from the database	2201	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		2202
1800	=item cf::db_put $family => $key => $value	2203	=item cf::db_put $family => $key => $value
1801		2204
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2205	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		2206
1813	=cut	2207	=cut
1814		2208
1815	our $DB;	2209	our $DB;
1816		2210
1817	{	2211	sub db_init {
		2212	unless ($DB) {
		2213	$DB = BDB::db_create $DB_ENV;
		2214
		2215	cf::sync_job {
		2216	eval {
		2217	$DB->set_flags (BDB::CHKSUM);
		2218
		2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2221	cf::cleanup "db_open(db): $!" if $!;
		2222	};
		2223	cf::cleanup "db_open(db): $@" if $@;
		2224	};
		2225
1818	my $path = cf::localdir . "/database.pst";	2226	my $path = cf::localdir . "/database.pst";
		2227	if (stat $path) {
		2228	cf::sync_job {
		2229	my $pst = Storable::retrieve $path;
1819		2230
1820	sub db_load() {	2231	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2232	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2233	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2234	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2235
1825	my $pid;	2236	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	}	2237	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2238	}
1874	);	2239	}
		2240	}
		2241
		2242	sub db_get($$) {
		2243	my $key = "$_[0]/$_[1]";
		2244
		2245	cf::sync_job {
		2246	BDB::db_get $DB, undef, $key, my $data;
		2247
		2248	$! ? ()
		2249	: Compress::LZF::sthaw $data
		2250	}
		2251	}
		2252
		2253	sub db_put($$$) {
		2254	BDB::dbreq_pri 4;
		2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1875	}	2256	}
1876		2257
1877	#############################################################################	2258	#############################################################################
1878	# the server's main()	2259	# the server's init and main functions
		2260
		2261	sub load_resources {
		2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2263	or die "unable to load regions file\n";#d#
		2264	}
1879		2265
1880	sub cfg_load {	2266	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2267	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2268	or return;
1883		2269
1884	local $/;	2270	local $/;
1885	*CFG = YAML::Syck::Load <$fh>;	2271	*CFG = YAML::Syck::Load <$fh>;
		2272
		2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2274
		2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2277
		2278	if (exists $CFG{mlockall}) {
		2279	eval {
		2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2281	and die "WARNING: m(un)lockall failed: $!\n";
		2282	};
		2283	warn $@ if $@;
		2284	}
		2285	}
		2286
		2287	sub init {
		2288	load_resources;
1886	}	2289	}
1887		2290
1888	sub main {	2291	sub main {
1889	# we must not ever block the main coroutine	2292	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2293	local $Coro::idle = sub {
1891	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1892	(Coro::unblock_sub {	2295	(async {
1893	Event::one_event;	2296	Event::one_event;
1894	})->();	2297	})->prio (Coro::PRIO_MAX);
1895	};	2298	};
1896		2299
1897	cfg_load;	2300	cfg_load;
1898	db_load;	2301	db_init;
1899	load_extensions;	2302	load_extensions;
		2303
		2304	$TICK_WATCHER->start;
1900	Event::loop;	2305	Event::loop;
1901	}	2306	}
1902		2307
1903	#############################################################################	2308	#############################################################################
1904	# initialisation	2309	# initialisation and cleanup
		2310
		2311	# install some emergency cleanup handlers
		2312	BEGIN {
		2313	for my $signal (qw(INT HUP TERM)) {
		2314	Event->signal (
		2315	reentrant => 0,
		2316	data => WF_AUTOCANCEL,
		2317	signal => $signal,
		2318	prio => 0,
		2319	cb => sub {
		2320	cf::cleanup "SIG$signal";
		2321	},
		2322	);
		2323	}
		2324	}
		2325
		2326	sub emergency_save() {
		2327	my $freeze_guard = cf::freeze_mainloop;
		2328
		2329	warn "enter emergency perl save\n";
		2330
		2331	cf::sync_job {
		2332	# use a peculiar iteration method to avoid tripping on perl
		2333	# refcount bugs in for. also avoids problems with players
		2334	# and maps saved/destroyed asynchronously.
		2335	warn "begin emergency player save\n";
		2336	for my $login (keys %cf::PLAYER) {
		2337	my $pl = $cf::PLAYER{$login} or next;
		2338	$pl->valid or next;
		2339	$pl->save;
		2340	}
		2341	warn "end emergency player save\n";
		2342
		2343	warn "begin emergency map save\n";
		2344	for my $path (keys %cf::MAP) {
		2345	my $map = $cf::MAP{$path} or next;
		2346	$map->valid or next;
		2347	$map->save;
		2348	}
		2349	warn "end emergency map save\n";
		2350
		2351	warn "begin emergency database checkpoint\n";
		2352	BDB::db_env_txn_checkpoint $DB_ENV;
		2353	warn "end emergency database checkpoint\n";
		2354	};
		2355
		2356	warn "leave emergency perl save\n";
		2357	}
		2358
		2359	sub post_cleanup {
		2360	my ($make_core) = @_;
		2361
		2362	warn Carp::longmess "post_cleanup backtrace"
		2363	if $make_core;
		2364	}
1905		2365
1906	sub reload() {	2366	sub reload() {
1907	# can/must only be called in main	2367	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2368	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2369	warn "can only reload from main coroutine";
1910	return;	2370	return;
1911	}	2371	}
1912		2372
1913	warn "reloading...";	2373	warn "reloading...";
1914		2374
1915	local $FREEZE = 1;	2375	warn "entering sync_job";
		2376
		2377	cf::sync_job {
		2378	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2379	cf::emergency_save;
		2380	cf::write_runtime; # external watchdog should not bark
1917		2381
1918	eval {	2382	warn "syncing database to disk";
		2383	BDB::db_env_txn_checkpoint $DB_ENV;
		2384
1919	# if anything goes wrong in here, we should simply crash as we already saved	2385	# if anything goes wrong in here, we should simply crash as we already saved
1920		2386
1921	# cancel all watchers	2387	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2388	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2389	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2390	}
1925		2391
		2392	warn "flushing outstanding aio requests";
		2393	for (;;) {
		2394	BDB::flush;
		2395	IO::AIO::flush;
		2396	Coro::cede;
		2397	last unless IO::AIO::nreqs || BDB::nreqs;
		2398	warn "iterate...";
		2399	}
		2400
1926	# cancel all extension coros	2401	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2402	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2403	%EXT_CORO = ();
1929		2404
1930	# unload all extensions	2405	warn "removing commands";
1931	for (@exts) {	2406	%COMMAND = ();
		2407
		2408	warn "removing ext commands";
		2409	%EXTCMD = ();
		2410
		2411	warn "unloading/nuking all extensions";
		2412	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2413	warn "... unloading $pkg";
1933	unload_extension $_;	2414
		2415	if (my $cb = $pkg->can ("unload")) {
		2416	eval {
		2417	$cb->($pkg);
		2418	1
		2419	} or warn "$pkg unloaded, but with errors: $@";
1934	}	2420	}
1935		2421
		2422	warn "... nuking $pkg";
		2423	Symbol::delete_package $pkg;
		2424	}
		2425
1936	# unload all modules loaded from $LIBDIR	2426	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2427	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2429
1940	warn "removing <$k>";	2430	warn "... unloading $k";
1941	delete $INC{$k};	2431	delete $INC{$k};
1942		2432
1943	$k =~ s/\.pm$//;	2433	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2434	$k =~ s/\//::/g;
1945		2435
…		…
1948	}	2438	}
1949		2439
1950	Symbol::delete_package $k;	2440	Symbol::delete_package $k;
1951	}	2441	}
1952		2442
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2443	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2444	Symbol::delete_package "safe::$_"
1959	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1960		2446
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2447	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2448	delete $INC{"cf.pm"};
1966		2449
1967	# don't, removes xs symbols, too,	2450	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2451	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2452	#Symbol::delete_package __PACKAGE__;
1970		2453
1971	# reload cf.pm	2454	warn "unload completed, starting to reload now";
		2455
1972	warn "reloading cf.pm";	2456	warn "reloading cf.pm";
1973	require cf;	2457	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2459
1976	# load config and database again	2460	warn "loading config and database again";
1977	cf::cfg_load;	2461	cf::cfg_load;
1978	cf::db_load;
1979		2462
1980	# load extensions
1981	warn "load extensions";	2463	warn "loading extensions";
1982	cf::load_extensions;	2464	cf::load_extensions;
1983		2465
1984	# reattach attachments to objects	2466	warn "reattaching attachments to objects/players";
1985	warn "reattach";
1986	_global_reattach;	2467	_global_reattach;
1987	};	2468	warn "reattaching attachments to maps";
		2469	reattach $_ for values %MAP;
1988		2470
1989	if ($@) {	2471	warn "loading reloadable resources";
		2472	load_resources;
		2473
		2474	warn "leaving sync_job";
		2475
		2476	1
		2477	} or do {
1990	warn $@;	2478	warn $@;
1991	warn "error while reloading, exiting.";	2479	warn "error while reloading, exiting.";
1992	exit 1;	2480	exit 1;
1993	}	2481	};
1994		2482
1995	warn "reloaded successfully";	2483	warn "reloaded";
1996	};	2484	};
1997		2485
1998	#############################################################################	2486	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} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2487
2043	register_command "reload" => sub {	2488	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2489	my ($who, $arg) = @_;
2045		2490
2046	if ($who->flag (FLAG_WIZ)) {	2491	if ($who->flag (FLAG_WIZ)) {
2047	$who->message ("start of reload.");	2492	$who->message ("reloading server.");
		2493
		2494	# doing reload synchronously and two reloads happen back-to-back,
		2495	# coro crashes during coro_state_free->destroy here.
		2496
		2497	$RELOAD_WATCHER ||= Event->timer (
		2498	reentrant => 0,
		2499	after => 0,
		2500	data => WF_AUTOCANCEL,
		2501	cb => sub {
2048	reload;	2502	reload;
2049	$who->message ("end of reload.");	2503	undef $RELOAD_WATCHER;
		2504	},
		2505	);
2050	}	2506	}
2051	};	2507	};
2052		2508
2053	unshift @INC, $LIBDIR;	2509	unshift @INC, $LIBDIR;
		2510
		2511	my $bug_warning = 0;
2054		2512
2055	$TICK_WATCHER = Event->timer (	2513	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2514	reentrant => 0,
		2515	parked => 1,
2057	prio => 0,	2516	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2517	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2518	data => WF_AUTOCANCEL,
2060	cb => sub {	2519	cb => sub {
2061	unless ($FREEZE) {	2520	if ($Coro::current != $Coro::main) {
		2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2522	unless ++$bug_warning > 10;
		2523	return;
		2524	}
		2525
		2526	$NOW = Event::time;
		2527
2062	cf::server_tick; # one server iteration	2528	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2529	$RUNTIME += $TICK;
2064	}
2065
2066	$NEXT_TICK += $TICK;	2530	$NEXT_TICK += $TICK;
		2531
		2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2533	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2534	Coro::async_pool {
		2535	write_runtime
		2536	or warn "ERROR: unable to write runtime file: $!";
		2537	};
		2538	}
		2539
		2540
		2541	$WAIT_FOR_TICK->broadcast;
		2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2543
		2544	# my $AFTER = Event::time;
		2545	# warn $AFTER - $NOW;#d#
2067		2546
2068	# if we are delayed by four ticks or more, skip them all	2547	# if we are delayed by four ticks or more, skip them all
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2549
2071	$TICK_WATCHER->at ($NEXT_TICK);	2550	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2551	$TICK_WATCHER->start;
2073	},	2552	},
2074	);	2553	);
2075		2554
		2555	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2556	BDB::max_poll_time $TICK * 0.1;
2077		2557	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2558	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2559	fd => BDB::poll_fileno,
2080	poll => 'r',	2560	poll => 'r',
2081	prio => 5,	2561	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2562	data => WF_AUTOCANCEL,
2088	after => 0,	2563	cb => \&BDB::poll_cb,
2089	interval => 10,	2564	);
2090	cb => sub {	2565	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2566
2092	write_runtime	2567	BDB::set_sync_prepare {
2093	or warn "ERROR: unable to write runtime file: $!";	2568	my $status;
		2569	my $current = $Coro::current;
		2570	(
		2571	sub {
		2572	$status = $!;
		2573	$current->ready; undef $current;
		2574	},
		2575	sub {
		2576	Coro::schedule while defined $current;
		2577	$! = $status;
		2578	},
		2579	)
		2580	};
		2581
		2582	unless ($DB_ENV) {
		2583	$DB_ENV = BDB::db_env_create;
		2584
		2585	cf::sync_job {
		2586	eval {
		2587	BDB::db_env_open
		2588	$DB_ENV,
		2589	$BDB_ENV_DIR,
		2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2592	0666;
		2593
		2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2595
		2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2597	$DB_ENV->set_lk_detect;
		2598	};
		2599
		2600	cf::cleanup "db_env_open(db): $@" if $@;
2094	})->();	2601	};
2095	},	2602	}
2096	);	2603	}
		2604
		2605	{
		2606	IO::AIO::min_parallel 8;
		2607
		2608	undef $Coro::AIO::WATCHER;
		2609	IO::AIO::max_poll_time $TICK * 0.1;
		2610	$AIO_POLL_WATCHER = Event->io (
		2611	reentrant => 0,
		2612	data => WF_AUTOCANCEL,
		2613	fd => IO::AIO::poll_fileno,
		2614	poll => 'r',
		2615	prio => 6,
		2616	cb => \&IO::AIO::poll_cb,
		2617	);
		2618	}
		2619
		2620	END { cf::emergency_save }
2097		2621
2098	1	2622	1
2099		2623

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