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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.231 by root, Wed Apr 4 00:02:06 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 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut	223	=item cf::lock_wait $string
180		224
181	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
183	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
184	}	249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	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	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
253		346
254	$coro	347	$coro
255	}	348	}
256		349
257	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
258	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
259		354
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	356	or return;
262		357
		358	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	363	and return;
266		364
		365	# always fsync - this file is important
267	aio_fsync $fh	366	aio_fsync $fh
268	and return;	367	and return;
269		368
270	close $fh	369	close $fh
271	or return;	370	or return;
…		…
274	and return;	373	and return;
275		374
276	1	375	1
277	}	376	}
278		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		392
393	#############################################################################	393	#############################################################################
394		394
395	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
396		396
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	523	our @CB_MAP = ();
524		524
525	my %attachment;	525	my %attachment;
526		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
527	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
529		535
530	use sort 'stable';	536	use sort 'stable';
531		537
…		…
702	# object support	708	# object support
703		709
704	sub reattach {	710	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		715
708	my $registry = $obj->registry;	716	my $registry = $obj->registry;
709		717
710	@$registry = ();	718	@$registry = ();
711		719
…		…
758	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
759		767
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	772	close $fh;
765		773
766	if (@$objs) {	774	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	780	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
774	}	782	}
775	} else {	783	} else {
776	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
804	or return;	812	or return;
805		813
806	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
808	or return;	816	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
810	}	818	}
811		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	822	return ($data, $av);
813	}	823	}
814		824
815	#############################################################################	825	#############################################################################
816	# command handling &c	826	# command handling &c
…		…
841	=cut	851	=cut
842		852
843	sub register_extcmd {	853	sub register_extcmd {
844	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
845		855
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
850	}	857	}
851		858
852	cf::player->attach (	859	cf::player->attach (
853	on_command => sub {	860	on_command => sub {
854	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
867		874
868	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
869		876
870	if (ref $msg) {	877	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	881	}
875	}	882	}
876	} else {	883	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		886
880	cf::override;	887	cf::override;
881	},	888	},
882	);	889	);
883		890
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	891	sub load_extension {
891	my ($path) = @_;	892	my ($path) = @_;
892		893
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	895	my $base = $1;
895	my $pkg = $1;	896	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
898		899
899	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
900		901
901	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
902	or die "$path: $!";	903	or die "$path: $!";
903		904
904	my $source =	905	my $source =
905	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
908	. "\n};\n1";	909	. "\n};\n1";
909		910
910	eval $source	911	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	913	: "extension disabled.\n";
913		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	915	warn $@;
915	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
916		917	exit 1;
917	# no strict 'refs';	918	}
918	# @{"$pkg\::ISA"} = ext::;	919	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	920	}
933		921
934	# remove commands	922	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	923	}
959		924
960	sub load_extensions {	925	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	927	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
967	}	932	}
968	}	933	}
969		934
970	#############################################################################	935	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		936
1008	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1009		938
1010	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1011		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1012	=head3 cf::player	947	=head3 cf::player
1013		948
1014	=over 4	949	=over 4
1015		950
1016	=item cf::player::exists $login	951	=item cf::player::find $login
1017		952
1018	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1019		954
1020	=cut	955	=cut
1021		956
1022	sub cf::player::exists($) {	957	sub playerdir($) {
1023	cf::player::find $_[0]	958	cf::localdir
1024	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])
1025	}	963	}
1026		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
		1127	}
		1128
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1028		1130
1029	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1030		1132
1031	=cut	1133	=cut
1032		1134
1033	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1034	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1035		1137
1036	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1037		1139
1038	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1039	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1040		1160
1041	=back	1161	=back
1042		1162
1043		1163
1044	=head3 cf::map	1164	=head3 cf::map
…		…
1050	package cf::map;	1170	package cf::map;
1051		1171
1052	use Fcntl;	1172	use Fcntl;
1053	use Coro::AIO;	1173	use Coro::AIO;
1054		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1055	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1057		1181
1058	sub generate_random_map {	1182	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1185	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1327	}
1076		1328
1077	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1078	# all maps in C++...	1330	# all maps in C++...
1079	sub change_all_map_light {	1331	sub change_all_map_light {
1080	my ($change) = @_;	1332	my ($change) = @_;
1081		1333
1082	$_->change_map_light ($change) for values %cf::MAP;	1334	$_->change_map_light ($change)
		1335	for grep $_->outdoor, values %cf::MAP;
1083	}	1336	}
1084		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1085	sub try_load_header($) {	1346	sub load_header_from($) {
1086	my ($path) = @_;	1347	my ($self, $path) = @_;
1087		1348
1088	utf8::encode $path;	1349	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1090	or return;	1354	or return;
1091		1355
1092	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1093	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1094		1402
1095	$map->load_header ($path)	1403	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1404	}
1102		1405
		1406	sub find;
1103	sub find_map {	1407	sub find {
1104	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1105		1409
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1410	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1411
		1412	cf::lock_wait "map_find:$path";
		1413
1111	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1112	# do it the slow way	1415	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1416	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1417	or return;
1127		1418
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1419	$map->{last_save} = $cf::RUNTIME;
1139		1420
1140	if ($map->should_reset) {	1421	$map->load_header
		1422	or return;
		1423
		1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1427	$map->reset;
1142	$map = find_map $path;	1428	undef $guard;
		1429	return find $path;
1143	}	1430	}
1144		1431
1145	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1146	}	1433	}
1147	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1148		1438
1149	sub load {	1439	sub load {
1150	my ($self) = @_;	1440	my ($self) = @_;
1151		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
		1444	my $path = $self->{path};
		1445	my $guard = cf::lock_acquire "map_load:$path";
		1446
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1448
1154	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1155		1450
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1159	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1456	or return;
1161		1457
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1459	if delete $self->{load_original};
1164		1460
1165	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1462	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1464	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1170	}	1466	}
1171	}	1467	}
		1468
		1469	Coro::cede;
1172		1470
1173	# now do the right thing for maps	1471	# now do the right thing for maps
1174	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1175		1473
1176	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1475	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1183	$self->set_darkness_map;	1479	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1186	$self->activate;	1483	$self->activate;
1187	}	1484	}
1188		1485
		1486	$self->post_load;
		1487
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1489	}
1191		1490
1192	sub load_map_sync {	1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
		1522	}
		1523
		1524	sub find_sync {
1193	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1194		1526
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1527	cf::sync_job { find $path, $origin }
		1528	}
1196		1529
1197	cf::sync_job {	1530	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1531	my ($map) = @_;
1199	or return;	1532
		1533	cf::sync_job { $map->load };
		1534	}
		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
1200	$map->load;	1554	$map->load;
1201	$map	1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
1202	}	1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
1203	}	1564	}
1204		1565
1205	sub save {	1566	sub save {
1206	my ($self) = @_;	1567	my ($self) = @_;
1207		1568
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1570
1211	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1212		1572
1213	return unless $self->dirty;	1573	return unless $self->dirty;
1214		1574
		1575	my $save = $self->save_path; utf8::encode $save;
		1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1577
1215	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1216		1579
1217	return if $self->{deny_save};	1580	return if $self->{deny_save};
1218		1581
		1582	local $self->{last_access} = $self->last_access;#d#
		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
		1587
1219	if ($uniq) {	1588	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1591	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1593	}
1225	}	1594	}
1226		1595
1227	sub swap_out {	1596	sub swap_out {
1228	my ($self) = @_;	1597	my ($self) = @_;
		1598
		1599	# save first because save cedes
		1600	$self->save;
		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1603
1230	return if $self->players;	1604	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1606	return if $self->{deny_save};
1233		1607
1234	$self->save;
1235	$self->clear;	1608	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1609	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1610	}
1238		1611
1239	sub reset_at {	1612	sub reset_at {
1240	my ($self) = @_;	1613	my ($self) = @_;
1241		1614
1242	# TODO: safety, remove and allow resettable per-player maps	1615	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1617	return 1e99 if $self->{deny_reset};
1245		1618
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1621
1250	$time + $to	1622	$time + $to
1251	}	1623	}
1252		1624
1253	sub should_reset {	1625	sub should_reset {
1254	my ($self) = @_;	1626	my ($self) = @_;
1255		1627
1256	$self->reset_at <= $cf::RUNTIME	1628	$self->reset_at <= $cf::RUNTIME
1257	}	1629	}
1258		1630
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1631	sub reset {
1268	my ($self) = @_;	1632	my ($self) = @_;
1269		1633
		1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1635
1270	return if $self->players;	1636	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1272		1638
1273	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1274		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1275	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1276		1654
1277	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1278		1656
1279	$self->unlink_save;	1657	$self->unlink_save;
1280	$self->destroy;	1658	$self->destroy;
1281	}	1659	}
1282		1660
1283	sub customise_for {	1661	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1662
1286	if ($map->per_player) {	1663	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1664	my ($self) = @_;
1288	}
1289		1665
1290	$map	1666	delete $cf::MAP{$self->path};
1291	}
1292		1667
1293	sub emergency_save {	1668	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1669
1296	warn "enter emergency map save\n";	1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
		1672	$self->{deny_save} = 1;
		1673	$self->reset_timeout (1);
		1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1675
1298	cf::sync_job {	1676	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1677
1300	$_->save for values %cf::MAP;	1678	$self->reset; # polite request, might not happen
		1679	}
		1680
		1681	=item cf::map::unique_maps
		1682
		1683	Returns an arrayref of paths of all shared maps that have
		1684	instantiated unique items. May block.
		1685
		1686	=cut
		1687
		1688	sub unique_maps() {
		1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
		1691
		1692	my @paths;
		1693
		1694	for (@$files) {
		1695	utf8::decode $_;
		1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1301	};	1700	}
1302		1701
1303	warn "end emergency map save\n";	1702	\@paths
1304	}	1703	}
1305		1704
1306	package cf;	1705	package cf;
1307		1706
1308	=back	1707	=back
1309		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1310		1735
1311	=head3 cf::object::player	1736	=head3 cf::object::player
1312		1737
1313	=over 4	1738	=over 4
1314		1739
…		…
1350	(ref $cf::CFG{"may_$access"}	1775	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1776	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1777	: $cf::CFG{"may_$access"})
1353	}	1778	}
1354		1779
		1780	=item $player_object->enter_link
		1781
		1782	Freezes the player and moves him/her to a special map (C<{link}>).
		1783
		1784	The player should be reasonably safe there for short amounts of time. You
		1785	I<MUST> call C<leave_link> as soon as possible, though.
		1786
		1787	Will never block.
		1788
		1789	=item $player_object->leave_link ($map, $x, $y)
		1790
		1791	Moves the player out of the special C<{link}> map onto the specified
		1792	map. If the map is not valid (or omitted), the player will be moved back
		1793	to the location he/she was before the call to C<enter_link>, or, if that
		1794	fails, to the emergency map position.
		1795
		1796	Might block.
		1797
		1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
		1809
1355	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1811	my ($self) = @_;
1357		1812
1358	return if $self->map == $LINK_MAP;	1813	$self->deactivate_recursive;
1359		1814
		1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1816
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1818	if $self->map;
1362		1819
1363	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1364	$self->deactivate_recursive;
1365	}	1821	}
1366		1822
1367	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1369		1825
1370	my $link_pos = delete $self->{_link_pos};	1826	my $link_pos = delete $self->{_link_pos};
1371		1827
1372	unless ($map) {	1828	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1829	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1830	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1831	$map = cf::map::find $map;
1378		1832
1379	unless ($map) {	1833	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1834	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1835	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1836	or die "FATAL: cannot load emergency map\n";
1383	}	1837	}
1384	}	1838	}
1385		1839
1386	($x, $y) = (-1, -1)	1840	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1392		1846
1393	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1394		1849
		1850	return unless $self->contr->active;
1395	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1396	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1397	}	1855	}
1398		1856
		1857	cf::player->attach (
		1858	on_logout => sub {
		1859	my ($pl) = @_;
		1860
		1861	# abort map switching before logout
		1862	if ($pl->ob->{_link_pos}) {
		1863	cf::sync_job {
		1864	$pl->ob->leave_link
		1865	};
		1866	}
		1867	},
		1868	on_login => sub {
		1869	my ($pl) = @_;
		1870
		1871	# try to abort aborted map switching on player login :)
		1872	# should happen only on crashes
		1873	if ($pl->ob->{_link_pos}) {
		1874	$pl->ob->enter_link;
		1875	(async {
		1876	$pl->ob->reply (undef,
		1877	"There was an internal problem at your last logout, "
		1878	. "the server will try to bring you to your intended destination in a second.",
		1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
		1882	Coro::Timer::sleep 1;
		1883	$pl->ob->leave_link;
		1884	})->prio (2);
		1885	}
		1886	},
		1887	);
		1888
1399	=item $player_object->goto_map ($map, $x, $y)	1889	=item $player_object->goto ($path, $x, $y)
1400		1890
1401	=cut	1891	=cut
1402		1892
1403	sub cf::object::player::goto_map {	1893	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1405		1895
1406	$self->enter_link;	1896	$self->enter_link;
1407		1897
1408	(Coro::async {	1898	(async {
1409	$path = new cf::path $path;	1899	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	1900	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1413
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1902	$map
		1903	} or
		1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1905
1417	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1907	})->prio (1);
1419	}	1908	}
1420		1909
…		…
1424		1913
1425	sub parse_random_map_params {	1914	sub parse_random_map_params {
1426	my ($spec) = @_;	1915	my ($spec) = @_;
1427		1916
1428	my $rmp = { # defaults	1917	my $rmp = { # defaults
1429	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1431	};	1922	};
1432		1923
1433	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1435		1926
…		…
1439	$rmp	1930	$rmp
1440	}	1931	}
1441		1932
1442	sub prepare_random_map {	1933	sub prepare_random_map {
1443	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1937
1445	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1940	# that depends on the exit object
1448		1941
1449	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1450		1943
1451	if ($exit->map) {	1944	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1456	}	1949	}
1457		1950
1458	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1459		1952
1460	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1956
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1465		1961
1466	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1963	$exit->msg (undef);
1468	}	1964	}
1469	}	1965	}
…		…
1471	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1473		1969
1474	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1475		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
		1980
1476	$self->enter_link;	1981	$self->enter_link;
1477		1982
1478	(Coro::async {	1983	(async {
		1984	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1985	unless (eval {
1480		1986	$self->goto ($slaying, $hp, $sp);
1481	prepare_random_map $exit
1482	if $exit->slaying eq "/!";
1483
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1486		1987
1487	1;	1988	1;
1488	}) {	1989	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1994
1494	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1996	$self->leave_link;
1496	}	1997	}
…		…
1510		2011
1511	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1512	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1513		2014
1514	utf8::encode $text;	2015	utf8::encode $text;
1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1516	}	2017	}
1517		2018
1518		2019
1519	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1520		2021
…		…
1547	on_reply => sub {	2048	on_reply => sub {
1548	my ($ns, $msg) = @_;	2049	my ($ns, $msg) = @_;
1549		2050
1550	# this weird shuffling is so that direct followup queries	2051	# this weird shuffling is so that direct followup queries
1551	# get handled first	2052	# get handled first
1552	my $queue = delete $ns->{query_queue};	2053	my $queue = delete $ns->{query_queue}
		2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		2055
1554	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2058
1556	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1557		2060
1558	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2062	if (@$queue) {
…		…
1563	}	2066	}
1564	}	2067	}
1565	},	2068	},
1566	);	2069	);
1567		2070
1568	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1569		2072
1570	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	2075	or loss of connection).
1573		2076
1574	=cut	2077	=cut
1575		2078
1576	sub cf::client::coro {	2079	sub cf::client::async {
1577	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1578		2081
1579	my $coro; $coro = async {	2082	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2083
1586	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1588	});	2086	});
1589		2087
…		…
1622		2120
1623	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1624		2122
1625	=pod	2123	=pod
1626		2124
1627	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1628		2126
1629	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1630	cf::object::player player	2128	cf::object::player player
1631	cf::player peaceful	2129	cf::player peaceful
1632	cf::map trigger	2130	cf::map trigger
…		…
1725	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1726	using it, it should be unique.	2224	using it, it should be unique.
1727		2225
1728	=over 4	2226	=over 4
1729		2227
1730	=item $hashref = cf::db_get $family
1731
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key	2228	=item $value = cf::db_get $family => $key
1737		2229
1738	Returns a single value from the database	2230	Returns a single value from the database.
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744		2231
1745	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1746		2233
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	Stores the given C<$value> in the family.
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757		2235
1758	=cut	2236	=cut
1759		2237
1760	our $DB;	2238	our $DB;
1761		2239
1762	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1763	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1764		2259
1765	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1766	warn "loading database $path\n";#d# remove later	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1767	$DB = stat $path ? Storable::retrieve $path : { };	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
1768	}	2263	BDB::db_env_txn_checkpoint $DB_ENV;
1769		2264
1770	my $pid;	2265	unlink $path;
1771
1772	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}	2266	};
1781	}	2267	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});	2268	}
		2269	}
1793		2270
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {	2271	sub db_get($$) {
1800	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1805	sub db_put($$;$) {	2282	sub db_put($$$) {
1806	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1807	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1808	} else {	2321	} else {
1809	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$info->{smooth}' not found for face '$face'";
1810	}
1811	db_dirty;
1812	}
1813
1814	cf::global->attach (
1815	prio => 10000,
1816	on_cleanup => sub {
1817	db_sync;
1818	},	2323	}
1819	);	2324	Coro::cede;
1820	}	2325	}
1821		2326
1822	#############################################################################	2327	1
1823	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1824		2340
1825	sub cfg_load {	2341	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2343	or return;
1828		2344
1829	local $/;	2345	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2346	*CFG = YAML::Syck::Load <$fh>;
		2347
		2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2349
		2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2352
		2353	if (exists $CFG{mlockall}) {
		2354	eval {
		2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2356	and die "WARNING: m(un)lockall failed: $!\n";
		2357	};
		2358	warn $@ if $@;
		2359	}
1831	}	2360	}
1832		2361
1833	sub main {	2362	sub main {
1834	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2366	(async {
1838	Event::one_event;	2367	Event::one_event;
1839	})->();	2368	})->prio (Coro::PRIO_MAX);
1840	};	2369	};
1841		2370
1842	cfg_load;	2371	cfg_load;
1843	db_load;	2372	db_init;
1844	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
1845	Event::loop;	2376	Event::loop;
1846	}	2377	}
1847		2378
1848	#############################################################################	2379	#############################################################################
1849	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
1850		2436
1851	sub reload() {	2437	sub reload() {
1852	# can/must only be called in main	2438	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
1855	return;	2441	return;
1856	}	2442	}
1857		2443
1858	warn "reloading...";	2444	warn "reloading...";
1859		2445
1860	local $FREEZE = 1;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
1861	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
1862		2452
1863	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
1864	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
1865		2457
1866	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2461	}
1870		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
1871	# cancel all extension coros	2474	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2476	%EXT_CORO = ();
1874		2477
1875	# unload all extensions	2478	warn "removing commands";
1876	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2486	warn "... unloading $pkg";
1878	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2493	}
1880		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
1881	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2502
1885	warn "removing <$k>";	2503	warn "... unloading $k";
1886	delete $INC{$k};	2504	delete $INC{$k};
1887		2505
1888	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
1890		2508
…		…
1893	}	2511	}
1894		2512
1895	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
1896	}	2514	}
1897		2515
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2519
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
1911		2522
1912	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2524	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
1915		2526
1916	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
1917	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
1918	require cf;	2530	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2532
1921	# load config and database again	2533	warn "loading config and database again";
1922	cf::cfg_load;	2534	cf::cfg_load;
1923	cf::db_load;
1924		2535
1925	# load extensions
1926	warn "load extensions";	2536	warn "loading extensions";
1927	cf::load_extensions;	2537	cf::load_extensions;
1928		2538
1929	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
1930	warn "reattach";	2540	_global_reattach; # objects, sockets
1931	_global_reattach;	2541	warn "reattaching attachments to maps";
1932	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
1933		2545
1934	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
1935	warn $@;	2553	warn $@;
1936	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
1937	exit 1;	2555	exit 1;
1938	}	2556	};
1939		2557
1940	warn "reloaded successfully";	2558	warn "reloaded";
1941	};	2559	};
1942		2560
1943	#############################################################################	2561	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2562
1988	register_command "reload" => sub {	2563	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
1990		2565
1991	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
1993	reload;	2577	reload;
1994	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
1995	}	2581	}
1996	};	2582	};
1997		2583
1998	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
1999		2587
2000	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
2002	prio => 0,	2591	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
2005	cb => sub {	2594	cb => sub {
2006	unless ($FREEZE) {	2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
2007	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2012		2620
2013	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2623
2016	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2017	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2018	},	2626	},
2019	);	2627	);
2020		2628
		2629	{
2021	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2022		2631	$BDB_POLL_WATCHER = Event->io (
2023	Event->io (	2632	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2025	poll => 'r',	2634	poll => 'r',
2026	prio => 5,	2635	prio => 0,
2027	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,
2029	);
2030
2031	Event->timer (
2032	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2033	after => 0,	2637	cb => \&BDB::poll_cb,
2034	interval => 10,	2638	);
2035	cb => sub {	2639	BDB::min_parallel 8;
2036	(Coro::unblock_sub {	2640
2037	write_runtime	2641	BDB::set_sync_prepare {
2038	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2039	})->();	2675	};
2040	},	2676	}
2041	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
		2693
		2694	END { cf::emergency_save }
2042		2695
2043	1	2696	1
2044		2697

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