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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.138 by root, Fri Jan 5 17:07:17 2007 UTC vs.
Revision 1.237 by root, Fri Apr 13 05:08:51 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		86
57	binmode STDOUT;	87	binmode STDOUT;
58	binmode STDERR;	88	binmode STDERR;
59		89
60	# read virtual server time, if available	90	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	97	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
72		103
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	104	our $EMERGENCY_POSITION;
		105
		106	sub cf::map::normalise;
76		107
77	#############################################################################	108	#############################################################################
78		109
79	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
80		111
…		…
104		135
105	=item %cf::CFG	136	=item %cf::CFG
106		137
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
109		147
110	=back	148	=back
111		149
112	=cut	150	=cut
113		151
…		…
117	utf8::encode $msg;	155	utf8::encode $msg;
118		156
119	$msg .= "\n"	157	$msg .= "\n"
120	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
121		159
122	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
123	};	161	};
124	}	162	}
125		163
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		183
146	$Event::DIED = sub {	184	$Event::DIED = sub {
147	warn "error in event callback: @_";	185	warn "error in event callback: @_";
148	};	186	};
149		187
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
155		189
156	=over 4	190	=over 4
157		191
158	=cut	192	=item dumpval $ref
159		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		216
162	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
163		218
164	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
165		220
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
174		222
175	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
176
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		224
184	=item cf::lock_wait $string	225	=item cf::lock_wait $string
185		226
186	Wait until the given lock is available. See cf::lock_acquire.	227	Wait until the given lock is available. See cf::lock_acquire.
187		228
…		…
224	}	265	}
225		266
226	sub freeze_mainloop {	267	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	268	return unless $TICK_WATCHER->is_active;
228		269
229	my $guard = Coro::guard { $TICK_WATCHER->start };	270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
230	$TICK_WATCHER->stop;	273	$TICK_WATCHER->stop;
231	$guard	274	$guard
232	}	275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
233		286
234	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
235		288
236	The design of crossfire+ requires that the main coro ($Coro::main) is	289	The design of crossfire+ requires that the main coro ($Coro::main) is
237	always able to handle events or runnable, as crossfire+ is only partly	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
256	my $freeze_guard = freeze_mainloop;	309	my $freeze_guard = freeze_mainloop;
257		310
258	my $busy = 1;	311	my $busy = 1;
259	my @res;	312	my @res;
260		313
261	(Coro::async_pool {	314	(async {
262	@res = eval { $job->() };	315	@res = eval { $job->() };
263	warn $@ if $@;	316	warn $@ if $@;
264	undef $busy;	317	undef $busy;
265	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
266		319
267	while ($busy) {	320	while ($busy) {
268	Coro::cede_notself;	321	Coro::cede or Event::one_event;
269	Event::one_event unless Coro::nready;
270	}	322	}
271		323
272	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
273	} else {	325	} else {
274	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
275		327
276	$job->()	328	$job->()
277	}	329	}
278	}	330	}
279		331
280	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
281		333
282	Creates (and readies) and returns a new coro. This coro is automcatially	334	Like async, but this coro is automatically being canceled when the
283	being canceled when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
284		336
285	=cut	337	=cut
286		338
287	sub coro(&) {	339	sub async_ext(&) {
288	my $cb = shift;	340	my $cb = shift;
289		341
290	my $coro = &Coro::async_pool ($cb);	342	my $coro = &Coro::async ($cb);
291		343
292	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
293	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
294	});	346	});
295	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
296		348
297	$coro	349	$coro
298	}	350	}
299		351
300	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
301	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
302		356
303	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
304	or return;	358	or return;
305		359
		360	my $value = $cf::RUNTIME + 90 + 10;
306	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
307	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
308	and return;	365	and return;
309		366
		367	# always fsync - this file is important
310	aio_fsync $fh	368	aio_fsync $fh
311	and return;	369	and return;
312		370
313	close $fh	371	close $fh
314	or return;	372	or return;
…		…
317	and return;	375	and return;
318		376
319	1	377	1
320	}	378	}
321		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
322	=back	391	=back
323		392
324	=cut	393	=cut
325
326	#############################################################################
327
328	package cf::path;
329
330	sub new {
331	my ($class, $path, $base) = @_;
332
333	$path = $path->as_string if ref $path;
334
335	my $self = bless { }, $class;
336
337	# {... are special paths that are not touched
338	# ?xxx/... are special absolute paths
339	# ?random/... random maps
340	# /! non-realised random map exit
341	# /... normal maps
342	# ~/... per-player maps without a specific player (DO NOT USE)
343	# ~user/... per-player map of a specific user
344
345	if ($path =~ /^{/) {
346	# fine as it is
347	} elsif ($path =~ s{^\?random/}{}) {
348	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
349	$self->{random} = cf::from_json $data;
350	} else {
351	if ($path =~ s{^~([^/]+)?}{}) {
352	$self->{user_rel} = 1;
353
354	if (defined $1) {
355	$self->{user} = $1;
356	} elsif ($base =~ m{^~([^/]+)/}) {
357	$self->{user} = $1;
358	} else {
359	warn "cannot resolve user-relative path without user <$path,$base>\n";
360	}
361	} elsif ($path =~ /^\//) {
362	# already absolute
363	} else {
364	$base =~ s{[^/]+/?$}{};
365	return $class->new ("$base/$path");
366	}
367
368	for ($path) {
369	redo if s{/\.?/}{/};
370	redo if s{/[^/]+/\.\./}{/};
371	}
372	}
373
374	$self->{path} = $path;
375
376	$self
377	}
378
379	# the name / primary key / in-game path
380	sub as_string {
381	my ($self) = @_;
382
383	$self->{user_rel} ? "~$self->{user}$self->{path}"
384	: $self->{random} ? "?random/$self->{path}"
385	: $self->{path}
386	}
387
388	# the displayed name, this is a one way mapping
389	sub visible_name {
390	my ($self) = @_;
391
392	# if (my $rmp = $self->{random}) {
393	# # todo: be more intelligent about this
394	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
395	# } else {
396	$self->as_string
397	# }
398	}
399
400	# escape the /'s in the path
401	sub _escaped_path {
402	# ∕ is U+2215
403	(my $path = $_[0]{path}) =~ s/\//∕/g;
404	$path
405	}
406
407	# the original (read-only) location
408	sub load_path {
409	my ($self) = @_;
410
411	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
412	}
413
414	# the temporary/swap location
415	sub save_path {
416	my ($self) = @_;
417
418	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
419	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
420	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
421	}
422
423	# the unique path, might be eq to save_path
424	sub uniq_path {
425	my ($self) = @_;
426
427	$self->{user_rel} || $self->{random}
428	? undef
429	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
430	}
431
432	# return random map parameters, or undef
433	sub random_map_params {
434	my ($self) = @_;
435
436	$self->{random}
437	}
438
439	# this is somewhat ugly, but style maps do need special treatment
440	sub is_style_map {
441	$_[0]{path} =~ m{^/styles/}
442	}
443
444	package cf;
445		394
446	#############################################################################	395	#############################################################################
447		396
448	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
449		398
…		…
575	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
576	our @CB_MAP = ();	525	our @CB_MAP = ();
577		526
578	my %attachment;	527	my %attachment;
579		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
580	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
581	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
582		537
583	use sort 'stable';	538	use sort 'stable';
584		539
…		…
755	# object support	710	# object support
756		711
757	sub reattach {	712	sub reattach {
758	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
759	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
760		717
761	my $registry = $obj->registry;	718	my $registry = $obj->registry;
762		719
763	@$registry = ();	720	@$registry = ();
764		721
…		…
811	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
812		769
813	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
814	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
815	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
816	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
817	close $fh;	774	close $fh;
818		775
819	if (@$objs) {	776	if (@$objs) {
820	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
821	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
822	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
823	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
824	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
825	close $fh;	782	close $fh;
826	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
827	}	784	}
828	} else {	785	} else {
829	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
896	=cut	853	=cut
897		854
898	sub register_extcmd {	855	sub register_extcmd {
899	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
900		857
901	my $caller = caller;
902	#warn "registering extcmd '$name' to '$caller'";
903
904	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
905	}	859	}
906		860
907	cf::player->attach (	861	cf::player->attach (
908	on_command => sub {	862	on_command => sub {
909	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
922		876
923	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
924		878
925	if (ref $msg) {	879	if (ref $msg) {
926	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
927	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
928	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
929	}	883	}
930	}	884	}
931	} else {	885	} else {
932	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
934		888
935	cf::override;	889	cf::override;
936	},	890	},
937	);	891	);
938		892
939	sub register {
940	my ($base, $pkg) = @_;
941
942	#TODO
943	}
944
945	sub load_extension {	893	sub load_extension {
946	my ($path) = @_;	894	my ($path) = @_;
947		895
948	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
949	my $base = $1;	897	my $base = $1;
950	my $pkg = $1;	898	my $pkg = $1;
951	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
952	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
953		901
954	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
955		903
956	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
957	or die "$path: $!";	905	or die "$path: $!";
958		906
959	my $source =	907	my $source =
960	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
961	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
962	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
963	. "\n};\n1";	911	. "\n};\n1";
964		912
965	eval $source	913	unless (eval $source) {
966	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
967	: "extension disabled.\n";	915	: "extension disabled.\n";
968		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
969	push @exts, $pkg;	917	warn $@;
970	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
971		919	exit 1;
972	# no strict 'refs';	920	}
973	# @{"$pkg\::ISA"} = ext::;	921	die $@;
974
975	register $base, $pkg;
976	}
977
978	sub unload_extension {
979	my ($pkg) = @_;
980
981	warn "removing extension $pkg\n";
982
983	# remove hooks
984	#TODO
985	# for my $idx (0 .. $#PLUGIN_EVENT) {
986	# delete $hook[$idx]{$pkg};
987	# }	922	}
988		923
989	# remove commands	924	push @EXTS, $pkg;
990	for my $name (keys %COMMAND) {
991	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
992
993	if (@cb) {
994	$COMMAND{$name} = \@cb;
995	} else {
996	delete $COMMAND{$name};
997	}
998	}
999
1000	# remove extcmds
1001	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1002	delete $EXTCMD{$name};
1003	}
1004
1005	if (my $cb = $pkg->can ("unload")) {
1006	eval {
1007	$cb->($pkg);
1008	1
1009	} or warn "$pkg unloaded, but with errors: $@";
1010	}
1011
1012	Symbol::delete_package $pkg;
1013	}	925	}
1014		926
1015	sub load_extensions {	927	sub load_extensions {
1016	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
1017	next unless -r $ext;	929	next unless -r $ext;
…		…
1021	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
1022	}	934	}
1023	}	935	}
1024		936
1025	#############################################################################	937	#############################################################################
1026	# load/save/clean perl data associated with a map
1027
1028	*cf::mapsupport::on_clean = sub {
1029	my ($map) = @_;
1030
1031	my $path = $map->tmpname;
1032	defined $path or return;
1033
1034	unlink "$path.pst";
1035	};
1036
1037	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1038
1039	#############################################################################
1040	# load/save perl data associated with player->ob objects
1041
1042	sub all_objects(@) {
1043	@_, map all_objects ($_->inv), @_
1044	}
1045
1046	# TODO: compatibility cruft, remove when no longer needed
1047	cf::player->attach (
1048	on_load => sub {
1049	my ($pl, $path) = @_;
1050
1051	for my $o (all_objects $pl->ob) {
1052	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1053	$o->set_ob_key_value ("_perl_data");
1054
1055	%$o = %{ Storable::thaw pack "H*", $value };
1056	}
1057	}
1058	},
1059	);
1060
1061	#############################################################################
1062		938
1063	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1064		940
1065	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1066		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1067	=head3 cf::player	949	=head3 cf::player
1068		950
1069	=over 4	951	=over 4
1070		952
1071	=item cf::player::exists $login	953	=item cf::player::find $login
1072		954
1073	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1074		956
1075	=cut	957	=cut
1076		958
1077	sub cf::player::exists($) {	959	sub playerdir($) {
1078	cf::player::find $_[0]	960	cf::localdir
1079	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1080	}	965	}
1081		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1082	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1083		1139
1084	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1085		1141
1086	=cut	1142	=cut
1087		1143
1088	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1089	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1090		1146
1091	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1092		1148
1093	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
1094	}	1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	package cf;
1095		1165
1096	=back	1166	=back
1097		1167
1098		1168
1099	=head3 cf::map	1169	=head3 cf::map
…		…
1105	package cf::map;	1175	package cf::map;
1106		1176
1107	use Fcntl;	1177	use Fcntl;
1108	use Coro::AIO;	1178	use Coro::AIO;
1109		1179
		1180	use overload
		1181	'""' => \&as_string,
		1182	fallback => 1;
		1183
1110	our $MAX_RESET = 3600;	1184	our $MAX_RESET = 3600;
1111	our $DEFAULT_RESET = 3000;	1185	our $DEFAULT_RESET = 3000;
1112		1186
1113	sub generate_random_map {	1187	sub generate_random_map {
1114	my ($path, $rmp) = @_;	1188	my ($self, $rmp) = @_;
1115
1116	# mit "rum" bekleckern, nicht	1189	# mit "rum" bekleckern, nicht
1117	cf::map::_create_random_map	1190	$self->_create_random_map (
1118	$path,
1119	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1120	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1121	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1122	$rmp->{exit_on_final_map},	1194	$rmp->{exit_on_final_map},
1123	$rmp->{xsize}, $rmp->{ysize},	1195	$rmp->{xsize}, $rmp->{ysize},
1124	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1196	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1125	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1197	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1126	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1198	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1127	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1199	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1128	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1200	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1129	(cf::region::find $rmp->{region})	1201	(cf::region::find $rmp->{region}), $rmp->{custom}
		1202	)
		1203	}
		1204
		1205	=item cf::map->register ($regex, $prio)
		1206
		1207	Register a handler for the map path matching the given regex at the
		1208	givne priority (higher is better, built-in handlers have priority 0, the
		1209	default).
		1210
		1211	=cut
		1212
		1213	sub register {
		1214	my (undef, $regex, $prio) = @_;
		1215	my $pkg = caller;
		1216
		1217	no strict;
		1218	push @{"$pkg\::ISA"}, __PACKAGE__;
		1219
		1220	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1221	}
		1222
		1223	# also paths starting with '/'
		1224	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1225
		1226	sub thawer_merge {
		1227	my ($self, $merge) = @_;
		1228
		1229	# we have to keep some variables in memory intact
		1230	local $self->{path};
		1231	local $self->{load_path};
		1232	local $self->{deny_save};
		1233	local $self->{deny_reset};
		1234
		1235	$self->SUPER::thawer_merge ($merge);
		1236	}
		1237
		1238	sub normalise {
		1239	my ($path, $base) = @_;
		1240
		1241	$path = "$path"; # make sure its a string
		1242
		1243	$path =~ s/\.map$//;
		1244
		1245	# map plan:
		1246	#
		1247	# /! non-realised random map exit (special hack!)
		1248	# {... are special paths that are not being touched
		1249	# ?xxx/... are special absolute paths
		1250	# ?random/... random maps
		1251	# /... normal maps
		1252	# ~user/... per-player map of a specific user
		1253
		1254	$path =~ s/$PATH_SEP/\//go;
		1255
		1256	# treat it as relative path if it starts with
		1257	# something that looks reasonable
		1258	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1259	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1260
		1261	$base =~ s{[^/]+/?$}{};
		1262	$path = "$base/$path";
		1263	}
		1264
		1265	for ($path) {
		1266	redo if s{//}{/};
		1267	redo if s{/\.?/}{/};
		1268	redo if s{/[^/]+/\.\./}{/};
		1269	}
		1270
		1271	$path
		1272	}
		1273
		1274	sub new_from_path {
		1275	my (undef, $path, $base) = @_;
		1276
		1277	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1278
		1279	$path = normalise $path, $base;
		1280
		1281	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1282	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1283	my $self = bless cf::map::new, $pkg;
		1284	$self->{path} = $path; $self->path ($path);
		1285	$self->init; # pass $1 etc.
		1286	return $self;
		1287	}
		1288	}
		1289
		1290	Carp::carp "unable to resolve path '$path' (base '$base').";
		1291	()
		1292	}
		1293
		1294	sub init {
		1295	my ($self) = @_;
		1296
		1297	$self
		1298	}
		1299
		1300	sub as_string {
		1301	my ($self) = @_;
		1302
		1303	"$self->{path}"
		1304	}
		1305
		1306	# the displayed name, this is a one way mapping
		1307	sub visible_name {
		1308	&as_string
		1309	}
		1310
		1311	# the original (read-only) location
		1312	sub load_path {
		1313	my ($self) = @_;
		1314
		1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1316	}
		1317
		1318	# the temporary/swap location
		1319	sub save_path {
		1320	my ($self) = @_;
		1321
		1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1324	}
		1325
		1326	# the unique path, undef == no special unique path
		1327	sub uniq_path {
		1328	my ($self) = @_;
		1329
		1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1130	}	1332	}
1131		1333
1132	# and all this just because we cannot iterate over	1334	# and all this just because we cannot iterate over
1133	# all maps in C++...	1335	# all maps in C++...
1134	sub change_all_map_light {	1336	sub change_all_map_light {
…		…
1136		1338
1137	$_->change_map_light ($change)	1339	$_->change_map_light ($change)
1138	for grep $_->outdoor, values %cf::MAP;	1340	for grep $_->outdoor, values %cf::MAP;
1139	}	1341	}
1140		1342
		1343	sub unlink_save {
		1344	my ($self) = @_;
		1345
		1346	utf8::encode (my $save = $self->save_path);
		1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1348	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1349	}
		1350
1141	sub try_load_header($) {	1351	sub load_header_from($) {
1142	my ($path) = @_;	1352	my ($self, $path) = @_;
1143		1353
1144	utf8::encode $path;	1354	utf8::encode $path;
1145	aio_open $path, O_RDONLY, 0	1355	#aio_open $path, O_RDONLY, 0
		1356	# or return;
		1357
		1358	$self->_load_header ($path)
1146	or return;	1359	or return;
1147		1360
1148	my $map = cf::map::new	1361	$self->{load_path} = $path;
		1362
		1363	1
		1364	}
		1365
		1366	sub load_header_orig {
		1367	my ($self) = @_;
		1368
		1369	$self->load_header_from ($self->load_path)
		1370	}
		1371
		1372	sub load_header_temp {
		1373	my ($self) = @_;
		1374
		1375	$self->load_header_from ($self->save_path)
		1376	}
		1377
		1378	sub prepare_temp {
		1379	my ($self) = @_;
		1380
		1381	$self->last_access ((delete $self->{last_access})
		1382	|| $cf::RUNTIME); #d#
		1383	# safety
		1384	$self->{instantiate_time} = $cf::RUNTIME
		1385	if $self->{instantiate_time} > $cf::RUNTIME;
		1386	}
		1387
		1388	sub prepare_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->{load_original} = 1;
		1392	$self->{instantiate_time} = $cf::RUNTIME;
		1393	$self->last_access ($cf::RUNTIME);
		1394	$self->instantiate;
		1395	}
		1396
		1397	sub load_header {
		1398	my ($self) = @_;
		1399
		1400	if ($self->load_header_temp) {
		1401	$self->prepare_temp;
		1402	} else {
		1403	$self->load_header_orig
1149	or return;	1404	or return;
		1405	$self->prepare_orig;
		1406	}
1150		1407
1151	# for better error messages only, will be overwritten	1408	1
1152	$map->path ($path);
1153
1154	$map->load_header ($path)
1155	or return;
1156
1157	$map->{load_path} = $path;
1158
1159	$map
1160	}	1409	}
1161		1410
1162	sub find;	1411	sub find;
1163	sub find {	1412	sub find {
1164	my ($path, $origin) = @_;	1413	my ($path, $origin) = @_;
1165		1414
1166	#warn "find<$path,$origin>\n";#d#
1167
1168	$path = new cf::path $path, $origin && $origin->path;	1415	$path = normalise $path, $origin && $origin->path;
1169	my $key = $path->as_string;
1170		1416
1171	cf::lock_wait "map_find:$key";	1417	cf::lock_wait "map_find:$path";
1172		1418
1173	$cf::MAP{$key} || do {	1419	$cf::MAP{$path} || do {
1174	my $guard = cf::lock_acquire "map_find:$key";	1420	my $guard = cf::lock_acquire "map_find:$path";
1175		1421	my $map = new_from_path cf::map $path
1176	# do it the slow way
1177	my $map = try_load_header $path->save_path;
1178
1179	Coro::cede;
1180
1181	if ($map) {
1182	$map->last_access ((delete $map->{last_access})
1183	|| $cf::RUNTIME); #d#
1184	# safety
1185	$map->{instantiate_time} = $cf::RUNTIME
1186	if $map->{instantiate_time} > $cf::RUNTIME;
1187	} else {
1188	if (my $rmp = $path->random_map_params) {
1189	$map = generate_random_map $key, $rmp;
1190	} else {
1191	$map = try_load_header $path->load_path;
1192	}
1193
1194	$map or return;	1422	or return;
1195		1423
1196	$map->{load_original} = 1;
1197	$map->{instantiate_time} = $cf::RUNTIME;
1198	$map->last_access ($cf::RUNTIME);
1199	$map->instantiate;
1200
1201	# per-player maps become, after loading, normal maps
1202	$map->per_player (0) if $path->{user_rel};
1203	}
1204
1205	$map->path ($key);
1206	$map->{path} = $path;
1207	$map->{last_save} = $cf::RUNTIME;	1424	$map->{last_save} = $cf::RUNTIME;
1208		1425
1209	Coro::cede;	1426	$map->load_header
		1427	or return;
1210		1428
1211	if ($map->should_reset) {	1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1430	# doing this can freeze the server in a sync job, obviously
		1431	#$cf::WAIT_FOR_TICK->wait;
1212	$map->reset;	1432	$map->reset;
1213	undef $guard;	1433	undef $guard;
1214	$map = find $path	1434	return find $path;
1215	or return;
1216	}	1435	}
1217		1436
1218	$cf::MAP{$key} = $map	1437	$cf::MAP{$path} = $map
1219	}	1438	}
1220	}	1439	}
		1440
		1441	sub pre_load { }
		1442	sub post_load { }
1221		1443
1222	sub load {	1444	sub load {
1223	my ($self) = @_;	1445	my ($self) = @_;
1224		1446
		1447	local $self->{deny_reset} = 1; # loading can take a long time
		1448
1225	my $path = $self->{path};	1449	my $path = $self->{path};
1226	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1450	my $guard = cf::lock_acquire "map_load:$path";
1227		1451
1228	return if $self->in_memory != cf::MAP_SWAPPED;	1452	return if $self->in_memory != cf::MAP_SWAPPED;
1229		1453
1230	$self->in_memory (cf::MAP_LOADING);	1454	$self->in_memory (cf::MAP_LOADING);
1231		1455
1232	$self->alloc;	1456	$self->alloc;
		1457
		1458	$self->pre_load;
		1459
1233	$self->load_objects ($self->{load_path}, 1)	1460	$self->_load_objects ($self->{load_path}, 1)
1234	or return;	1461	or return;
1235		1462
1236	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1237	if delete $self->{load_original};	1464	if delete $self->{load_original};
1238		1465
1239	if (my $uniq = $path->uniq_path) {	1466	if (my $uniq = $self->uniq_path) {
1240	utf8::encode $uniq;	1467	utf8::encode $uniq;
1241	if (aio_open $uniq, O_RDONLY, 0) {	1468	if (aio_open $uniq, O_RDONLY, 0) {
1242	$self->clear_unique_items;	1469	$self->clear_unique_items;
1243	$self->load_objects ($uniq, 0);	1470	$self->_load_objects ($uniq, 0);
1244	}	1471	}
1245	}	1472	}
1246		1473
1247	Coro::cede;	1474	Coro::cede;
1248		1475
1249	# now do the right thing for maps	1476	# now do the right thing for maps
1250	$self->link_multipart_objects;	1477	$self->link_multipart_objects;
1251		1478
1252	if ($self->{path}->is_style_map) {	1479	unless ($self->{deny_activate}) {
1253	$self->{deny_save} = 1;	1480	$self->decay_objects;
1254	$self->{deny_reset} = 1;
1255	} else {
1256	$self->fix_auto_apply;	1481	$self->fix_auto_apply;
1257	$self->decay_objects;
1258	$self->update_buttons;	1482	$self->update_buttons;
		1483	Coro::cede;
1259	$self->set_darkness_map;	1484	$self->set_darkness_map;
1260	$self->difficulty ($self->estimate_difficulty)	1485	$self->difficulty ($self->estimate_difficulty)
1261	unless $self->difficulty;	1486	unless $self->difficulty;
		1487	Coro::cede;
1262	$self->activate;	1488	$self->activate;
1263	}	1489	}
1264		1490
1265	Coro::cede;	1491	$self->post_load;
1266		1492
1267	$self->in_memory (cf::MAP_IN_MEMORY);	1493	$self->in_memory (cf::MAP_IN_MEMORY);
		1494	}
		1495
		1496	sub customise_for {
		1497	my ($self, $ob) = @_;
		1498
		1499	return find "~" . $ob->name . "/" . $self->{path}
		1500	if $self->per_player;
		1501
		1502	$self
		1503	}
		1504
		1505	# find and load all maps in the 3x3 area around a map
		1506	sub load_diag {
		1507	my ($map) = @_;
		1508
		1509	my @diag; # diagonal neighbours
		1510
		1511	for (0 .. 3) {
		1512	my $neigh = $map->tile_path ($_)
		1513	or next;
		1514	$neigh = find $neigh, $map
		1515	or next;
		1516	$neigh->load;
		1517
		1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1520	}
		1521
		1522	for (@diag) {
		1523	my $neigh = find @$_
		1524	or next;
		1525	$neigh->load;
		1526	}
1268	}	1527	}
1269		1528
1270	sub find_sync {	1529	sub find_sync {
1271	my ($path, $origin) = @_;	1530	my ($path, $origin) = @_;
1272		1531
1273	cf::sync_job { cf::map::find $path, $origin }	1532	cf::sync_job { find $path, $origin }
1274	}	1533	}
1275		1534
1276	sub do_load_sync {	1535	sub do_load_sync {
1277	my ($map) = @_;	1536	my ($map) = @_;
1278		1537
1279	cf::sync_job { $map->load };	1538	cf::sync_job { $map->load };
1280	}	1539	}
1281		1540
		1541	our %MAP_PREFETCH;
		1542	our $MAP_PREFETCHER = undef;
		1543
		1544	sub find_async {
		1545	my ($path, $origin) = @_;
		1546
		1547	$path = normalise $path, $origin && $origin->{path};
		1548
		1549	if (my $map = $cf::MAP{$path}) {
		1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1551	}
		1552
		1553	undef $MAP_PREFETCH{$path};
		1554	$MAP_PREFETCHER ||= cf::async {
		1555	while (%MAP_PREFETCH) {
		1556	for my $path (keys %MAP_PREFETCH) {
		1557	my $map = find $path
		1558	or next;
		1559	$map->load;
		1560
		1561	delete $MAP_PREFETCH{$path};
		1562	}
		1563	}
		1564	undef $MAP_PREFETCHER;
		1565	};
		1566	$MAP_PREFETCHER->prio (6);
		1567
		1568	()
		1569	}
		1570
1282	sub save {	1571	sub save {
1283	my ($self) = @_;	1572	my ($self) = @_;
1284		1573
1285	my $lock = cf::lock_acquire "map_data:" . $self->path;	1574	my $lock = cf::lock_acquire "map_data:" . $self->path;
1286		1575
1287	$self->{last_save} = $cf::RUNTIME;	1576	$self->{last_save} = $cf::RUNTIME;
1288		1577
1289	return unless $self->dirty;	1578	return unless $self->dirty;
1290		1579
1291	my $save = $self->{path}->save_path; utf8::encode $save;	1580	my $save = $self->save_path; utf8::encode $save;
1292	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1581	my $uniq = $self->uniq_path; utf8::encode $uniq;
1293		1582
1294	$self->{load_path} = $save;	1583	$self->{load_path} = $save;
1295		1584
1296	return if $self->{deny_save};	1585	return if $self->{deny_save};
1297		1586
1298	local $self->{last_access} = $self->last_access;#d#	1587	local $self->{last_access} = $self->last_access;#d#
1299		1588
		1589	cf::async {
		1590	$_->contr->save for $self->players;
		1591	};
		1592
1300	if ($uniq) {	1593	if ($uniq) {
1301	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1302	$self->save_objects ($uniq, cf::IO_UNIQUES);	1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1303	} else {	1596	} else {
1304	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1597	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1305	}	1598	}
1306	}	1599	}
1307		1600
1308	sub swap_out {	1601	sub swap_out {
1309	my ($self) = @_;	1602	my ($self) = @_;
…		…
1323		1616
1324	sub reset_at {	1617	sub reset_at {
1325	my ($self) = @_;	1618	my ($self) = @_;
1326		1619
1327	# TODO: safety, remove and allow resettable per-player maps	1620	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};	1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1329	return 1e99 if $self->{deny_reset};	1622	return 1e99 if $self->{deny_reset};
1330		1623
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		1626
…		…
1338	my ($self) = @_;	1631	my ($self) = @_;
1339		1632
1340	$self->reset_at <= $cf::RUNTIME	1633	$self->reset_at <= $cf::RUNTIME
1341	}	1634	}
1342		1635
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	1636	sub reset {
1365	my ($self) = @_;	1637	my ($self) = @_;
1366		1638
1367	my $lock = cf::lock_acquire "map_data:" . $self->path;	1639	my $lock = cf::lock_acquire "map_data:$self->{path}";
1368		1640
1369	return if $self->players;	1641	return if $self->players;
1370	return if $self->{path}{user_rel};#d#	1642	return if $self->isa ("ext::map_per_player");#d#
1371		1643
1372	warn "resetting map ", $self->path;#d#	1644	warn "resetting map ", $self->path;#d#
1373		1645
		1646	$self->in_memory (cf::MAP_SWAPPED);
		1647
		1648	# need to save uniques path
		1649	unless ($self->{deny_save}) {
		1650	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1651
		1652	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1653	if $uniq;
		1654	}
		1655
1374	delete $cf::MAP{$self->path};	1656	delete $cf::MAP{$self->path};
		1657
		1658	$self->clear;
1375		1659
1376	$_->clear_links_to ($self) for values %cf::MAP;	1660	$_->clear_links_to ($self) for values %cf::MAP;
1377		1661
1378	$self->unlink_save;	1662	$self->unlink_save;
1379	$self->destroy;	1663	$self->destroy;
…		…
1382	my $nuke_counter = "aaaa";	1666	my $nuke_counter = "aaaa";
1383		1667
1384	sub nuke {	1668	sub nuke {
1385	my ($self) = @_;	1669	my ($self) = @_;
1386		1670
		1671	delete $cf::MAP{$self->path};
		1672
		1673	$self->unlink_save;
		1674
		1675	bless $self, "cf::map";
		1676	delete $self->{deny_reset};
1387	$self->{deny_save} = 1;	1677	$self->{deny_save} = 1;
1388	$self->reset_timeout (1);	1678	$self->reset_timeout (1);
1389	$self->rename ("{nuke}/" . ($nuke_counter++));	1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1680
		1681	$cf::MAP{$self->path} = $self;
		1682
1390	$self->reset; # polite request, might not happen	1683	$self->reset; # polite request, might not happen
1391	}	1684	}
1392		1685
1393	sub customise_for {	1686	=item cf::map::unique_maps
1394	my ($map, $ob) = @_;
1395		1687
1396	if ($map->per_player) {	1688	Returns an arrayref of paths of all shared maps that have
1397	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1689	instantiated unique items. May block.
1398	}
1399		1690
1400	$map	1691	=cut
1401	}
1402		1692
1403	sub emergency_save {	1693	sub unique_maps() {
1404	my $freeze_guard = cf::freeze_mainloop;	1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1695	or return;
1405		1696
1406	warn "enter emergency map save\n";	1697	my @paths;
1407		1698
1408	cf::sync_job {	1699	for (@$files) {
1409	warn "begin emergency map save\n";	1700	utf8::decode $_;
1410	$_->save for values %cf::MAP;	1701	next if /\.pst$/;
		1702	next unless /^$PATH_SEP/o;
		1703
		1704	push @paths, cf::map::normalise $_;
1411	};	1705	}
1412		1706
1413	warn "end emergency map save\n";	1707	\@paths
1414	}	1708	}
1415		1709
1416	package cf;	1710	package cf;
1417		1711
1418	=back	1712	=back
1419		1713
		1714	=head3 cf::object
		1715
		1716	=cut
		1717
		1718	package cf::object;
		1719
		1720	=over 4
		1721
		1722	=item $ob->inv_recursive
		1723
		1724	Returns the inventory of the object _and_ their inventories, recursively.
		1725
		1726	=cut
		1727
		1728	sub inv_recursive_;
		1729	sub inv_recursive_ {
		1730	map { $_, inv_recursive_ $_->inv } @_
		1731	}
		1732
		1733	sub inv_recursive {
		1734	inv_recursive_ inv $_[0]
		1735	}
		1736
		1737	package cf;
		1738
		1739	=back
1420		1740
1421	=head3 cf::object::player	1741	=head3 cf::object::player
1422		1742
1423	=over 4	1743	=over 4
1424		1744
…		…
1464		1784
1465	=item $player_object->enter_link	1785	=item $player_object->enter_link
1466		1786
1467	Freezes the player and moves him/her to a special map (C<{link}>).	1787	Freezes the player and moves him/her to a special map (C<{link}>).
1468		1788
1469	The player should be reaosnably safe there for short amounts of time. You	1789	The player should be reasonably safe there for short amounts of time. You
1470	I<MUST> call C<leave_link> as soon as possible, though.	1790	I<MUST> call C<leave_link> as soon as possible, though.
1471		1791
		1792	Will never block.
		1793
1472	=item $player_object->leave_link ($map, $x, $y)	1794	=item $player_object->leave_link ($map, $x, $y)
1473		1795
1474	Moves the player out of the specila link map onto the given map. If the	1796	Moves the player out of the special C<{link}> map onto the specified
1475	map is not valid (or omitted), the player will be moved back to the	1797	map. If the map is not valid (or omitted), the player will be moved back
1476	location he/she was before the call to C<enter_link>, or, if that fails,	1798	to the location he/she was before the call to C<enter_link>, or, if that
1477	to the emergency map position.	1799	fails, to the emergency map position.
1478		1800
1479	Might block.	1801	Might block.
1480		1802
1481	=cut	1803	=cut
		1804
		1805	sub link_map {
		1806	unless ($LINK_MAP) {
		1807	$LINK_MAP = cf::map::find "{link}"
		1808	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1809	$LINK_MAP->load;
		1810	}
		1811
		1812	$LINK_MAP
		1813	}
1482		1814
1483	sub cf::object::player::enter_link {	1815	sub cf::object::player::enter_link {
1484	my ($self) = @_;	1816	my ($self) = @_;
1485		1817
1486	$self->deactivate_recursive;	1818	$self->deactivate_recursive;
1487		1819
1488	return if $self->map == $LINK_MAP;	1820	return if UNIVERSAL::isa $self->map, "ext::map_link";
1489		1821
1490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1491	if $self->map;	1823	if $self->map;
1492		1824
1493	$self->enter_map ($LINK_MAP, 20, 20);	1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1494	}	1826	}
1495		1827
1496	sub cf::object::player::leave_link {	1828	sub cf::object::player::leave_link {
1497	my ($self, $map, $x, $y) = @_;	1829	my ($self, $map, $x, $y) = @_;
1498		1830
…		…
1516	# use -1 or undef as default coordinates, not 0, 0	1848	# use -1 or undef as default coordinates, not 0, 0
1517	($x, $y) = ($map->enter_x, $map->enter_y)	1849	($x, $y) = ($map->enter_x, $map->enter_y)
1518	if $x <=0 && $y <= 0;	1850	if $x <=0 && $y <= 0;
1519		1851
1520	$map->load;	1852	$map->load;
		1853	$map->load_diag;
1521		1854
		1855	return unless $self->contr->active;
1522	$self->activate_recursive;	1856	$self->activate_recursive;
		1857
		1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1523	$self->enter_map ($map, $x, $y);	1859	$self->enter_map ($map, $x, $y);
1524	}	1860	}
1525		1861
1526	cf::player->attach (	1862	cf::player->attach (
1527	on_logout => sub {	1863	on_logout => sub {
…		…
1539		1875
1540	# try to abort aborted map switching on player login :)	1876	# try to abort aborted map switching on player login :)
1541	# should happen only on crashes	1877	# should happen only on crashes
1542	if ($pl->ob->{_link_pos}) {	1878	if ($pl->ob->{_link_pos}) {
1543	$pl->ob->enter_link;	1879	$pl->ob->enter_link;
1544	Coro::async_pool {	1880	(async {
		1881	$pl->ob->reply (undef,
		1882	"There was an internal problem at your last logout, "
		1883	. "the server will try to bring you to your intended destination in a second.",
		1884	cf::NDI_RED);
1545	# we need this sleep as the login has a concurrent enter_exit running	1885	# we need this sleep as the login has a concurrent enter_exit running
1546	# and this sleep increases chances of the player not ending up in scorn	1886	# and this sleep increases chances of the player not ending up in scorn
1547	Coro::Timer::sleep 1;	1887	Coro::Timer::sleep 1;
1548	$pl->ob->leave_link;	1888	$pl->ob->leave_link;
1549	};	1889	})->prio (2);
1550	}	1890	}
1551	},	1891	},
1552	);	1892	);
1553		1893
1554	=item $player_object->goto ($path, $x, $y)	1894	=item $player_object->goto ($path, $x, $y)
…		…
1558	sub cf::object::player::goto {	1898	sub cf::object::player::goto {
1559	my ($self, $path, $x, $y) = @_;	1899	my ($self, $path, $x, $y) = @_;
1560		1900
1561	$self->enter_link;	1901	$self->enter_link;
1562		1902
1563	(Coro::async_pool {	1903	(async {
1564	$path = new cf::path $path;	1904	my $map = eval {
1565
1566	my $map = cf::map::find $path->as_string;	1905	my $map = cf::map::find $path;
1567	$map = $map->customise_for ($self) if $map;	1906	$map = $map->customise_for ($self) if $map;
1568		1907	$map
1569	# warn "entering ", $map->path, " at ($x, $y)\n"	1908	} or
1570	# if $map;
1571
1572	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1573		1910
1574	$self->leave_link ($map, $x, $y);	1911	$self->leave_link ($map, $x, $y);
1575	})->prio (1);	1912	})->prio (1);
1576	}	1913	}
1577		1914
…		…
1581		1918
1582	sub parse_random_map_params {	1919	sub parse_random_map_params {
1583	my ($spec) = @_;	1920	my ($spec) = @_;
1584		1921
1585	my $rmp = { # defaults	1922	my $rmp = { # defaults
1586	xsize => 10,	1923	xsize => (cf::rndm 15, 40),
1587	ysize => 10,	1924	ysize => (cf::rndm 15, 40),
		1925	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1926	#layout => string,
1588	};	1927	};
1589		1928
1590	for (split /\n/, $spec) {	1929	for (split /\n/, $spec) {
1591	my ($k, $v) = split /\s+/, $_, 2;	1930	my ($k, $v) = split /\s+/, $_, 2;
1592		1931
…		…
1596	$rmp	1935	$rmp
1597	}	1936	}
1598		1937
1599	sub prepare_random_map {	1938	sub prepare_random_map {
1600	my ($exit) = @_;	1939	my ($exit) = @_;
		1940
		1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1601		1942
1602	# all this does is basically replace the /! path by	1943	# all this does is basically replace the /! path by
1603	# a new random map path (?random/...) with a seed	1944	# a new random map path (?random/...) with a seed
1604	# that depends on the exit object	1945	# that depends on the exit object
1605		1946
1606	my $rmp = parse_random_map_params $exit->msg;	1947	my $rmp = parse_random_map_params $exit->msg;
1607		1948
1608	if ($exit->map) {	1949	if ($exit->map) {
1609	$rmp->{region} = $exit->map->region_name;	1950	$rmp->{region} = $exit->region->name;
1610	$rmp->{origin_map} = $exit->map->path;	1951	$rmp->{origin_map} = $exit->map->path;
1611	$rmp->{origin_x} = $exit->x;	1952	$rmp->{origin_x} = $exit->x;
1612	$rmp->{origin_y} = $exit->y;	1953	$rmp->{origin_y} = $exit->y;
1613	}	1954	}
1614		1955
1615	$rmp->{random_seed} ||= $exit->random_seed;	1956	$rmp->{random_seed} ||= $exit->random_seed;
1616		1957
1617	my $data = cf::to_json $rmp;	1958	my $data = cf::to_json $rmp;
1618	my $md5 = Digest::MD5::md5_hex $data;	1959	my $md5 = Digest::MD5::md5_hex $data;
		1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1619		1961
1620	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1621	aio_write $fh, 0, (length $data), $data, 0;	1963	aio_write $fh, 0, (length $data), $data, 0;
		1964	undef $fh;
		1965	aio_rename "$meta~", $meta;
1622		1966
1623	$exit->slaying ("?random/$md5");	1967	$exit->slaying ("?random/$md5");
1624	$exit->msg (undef);	1968	$exit->msg (undef);
1625	}	1969	}
1626	}	1970	}
…		…
1628	sub cf::object::player::enter_exit {	1972	sub cf::object::player::enter_exit {
1629	my ($self, $exit) = @_;	1973	my ($self, $exit) = @_;
1630		1974
1631	return unless $self->type == cf::PLAYER;	1975	return unless $self->type == cf::PLAYER;
1632		1976
		1977	if ($exit->slaying eq "/!") {
		1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1979	# the problem is that $exit might not survive long enough
		1980	# so it needs to be done right now, right here
		1981	cf::sync_job { prepare_random_map $exit };
		1982	}
		1983
		1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1985	my $hp = $exit->stats->hp;
		1986	my $sp = $exit->stats->sp;
		1987
1633	$self->enter_link;	1988	$self->enter_link;
1634		1989
1635	(Coro::async_pool {	1990	(async {
1636	$self->deactivate_recursive; # just to be sure	1991	$self->deactivate_recursive; # just to be sure
1637	unless (eval {	1992	unless (eval {
1638	prepare_random_map $exit	1993	$self->goto ($slaying, $hp, $sp);
1639	if $exit->slaying eq "/!";
1640
1641	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1642	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1643		1994
1644	1;	1995	1;
1645	}) {	1996	}) {
1646	$self->message ("Something went wrong deep within the crossfire server. "	1997	$self->message ("Something went wrong deep within the crossfire server. "
1647	. "I'll try to bring you back to the map you were before. "	1998	. "I'll try to bring you back to the map you were before. "
1648	. "Please report this to the dungeon master",	1999	. "Please report this to the dungeon master!",
1649	cf::NDI_UNIQUE | cf::NDI_RED);	2000	cf::NDI_UNIQUE | cf::NDI_RED);
1650		2001
1651	warn "ERROR in enter_exit: $@";	2002	warn "ERROR in enter_exit: $@";
1652	$self->leave_link;	2003	$self->leave_link;
1653	}	2004	}
1654	})->prio (1);	2005	})->prio (1);
…		…
1667		2018
1668	sub cf::client::send_drawinfo {	2019	sub cf::client::send_drawinfo {
1669	my ($self, $text, $flags) = @_;	2020	my ($self, $text, $flags) = @_;
1670		2021
1671	utf8::encode $text;	2022	utf8::encode $text;
1672	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1673	}	2024	}
1674		2025
		2026	=item $client->ext_event ($type, %msg)
		2027
		2028	Sends an exti event to the client.
		2029
		2030	=cut
		2031
		2032	sub cf::client::ext_event($$%) {
		2033	my ($self, $type, %msg) = @_;
		2034
		2035	$msg{msgtype} = "event_$type";
		2036	$self->send_packet ("ext " . cf::to_json \%msg);
		2037	}
1675		2038
1676	=item $success = $client->query ($flags, "text", \&cb)	2039	=item $success = $client->query ($flags, "text", \&cb)
1677		2040
1678	Queues a query to the client, calling the given callback with	2041	Queues a query to the client, calling the given callback with
1679	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1708	# get handled first	2071	# get handled first
1709	my $queue = delete $ns->{query_queue}	2072	my $queue = delete $ns->{query_queue}
1710	or return; # be conservative, not sure how that can happen, but we saw a crash here	2073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1711		2074
1712	(shift @$queue)->[1]->($msg);	2075	(shift @$queue)->[1]->($msg);
		2076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1713		2077
1714	push @{ $ns->{query_queue} }, @$queue;	2078	push @{ $ns->{query_queue} }, @$queue;
1715		2079
1716	if (@{ $ns->{query_queue} } == @$queue) {	2080	if (@{ $ns->{query_queue} } == @$queue) {
1717	if (@$queue) {	2081	if (@$queue) {
…		…
1721	}	2085	}
1722	}	2086	}
1723	},	2087	},
1724	);	2088	);
1725		2089
1726	=item $client->coro (\&cb)	2090	=item $client->async (\&cb)
1727		2091
1728	Create a new coroutine, running the specified callback. The coroutine will	2092	Create a new coroutine, running the specified callback. The coroutine will
1729	be automatically cancelled when the client gets destroyed (e.g. on logout,	2093	be automatically cancelled when the client gets destroyed (e.g. on logout,
1730	or loss of connection).	2094	or loss of connection).
1731		2095
1732	=cut	2096	=cut
1733		2097
1734	sub cf::client::coro {	2098	sub cf::client::async {
1735	my ($self, $cb) = @_;	2099	my ($self, $cb) = @_;
1736		2100
1737	my $coro = &Coro::async_pool ($cb);	2101	my $coro = &Coro::async ($cb);
1738		2102
1739	$coro->on_destroy (sub {	2103	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	2104	delete $self->{_coro}{$coro+0};
1741	});	2105	});
1742		2106
…		…
1775		2139
1776	# here we export the classes and methods available to script code	2140	# here we export the classes and methods available to script code
1777		2141
1778	=pod	2142	=pod
1779		2143
1780	The following fucntions and emthods are available within a safe environment:	2144	The following functions and methods are available within a safe environment:
1781		2145
1782	cf::object contr pay_amount pay_player map	2146	cf::object contr pay_amount pay_player map
1783	cf::object::player player	2147	cf::object::player player
1784	cf::player peaceful	2148	cf::player peaceful
1785	cf::map trigger	2149	cf::map trigger
…		…
1878	The parameter C<$family> should best start with the name of the extension	2242	The parameter C<$family> should best start with the name of the extension
1879	using it, it should be unique.	2243	using it, it should be unique.
1880		2244
1881	=over 4	2245	=over 4
1882		2246
1883	=item $hashref = cf::db_get $family
1884
1885	Return a hashref for use by the extension C<$family>, which can be
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888
1889	=item $value = cf::db_get $family => $key	2247	=item $value = cf::db_get $family => $key
1890		2248
1891	Returns a single value from the database	2249	Returns a single value from the database.
1892
1893	=item cf::db_put $family => $hashref
1894
1895	Stores the given family hashref into the database. Updates are delayed, if
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1897		2250
1898	=item cf::db_put $family => $key => $value	2251	=item cf::db_put $family => $key => $value
1899		2252
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you	2253	Stores the given C<$value> in the family.
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910		2254
1911	=cut	2255	=cut
1912		2256
1913	our $DB;	2257	our $DB;
1914		2258
1915	{	2259	sub db_init {
		2260	unless ($DB) {
		2261	$DB = BDB::db_create $DB_ENV;
		2262
		2263	cf::sync_job {
		2264	eval {
		2265	$DB->set_flags (BDB::CHKSUM);
		2266
		2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2269	cf::cleanup "db_open(db): $!" if $!;
		2270	};
		2271	cf::cleanup "db_open(db): $@" if $@;
		2272	};
		2273
1916	my $path = cf::localdir . "/database.pst";	2274	my $path = cf::localdir . "/database.pst";
		2275	if (stat $path) {
		2276	cf::sync_job {
		2277	my $pst = Storable::retrieve $path;
1917		2278
1918	sub db_load() {	2279	cf::db_put (board => data => $pst->{board});
1919	$DB = stat $path ? Storable::retrieve $path : { };	2280	cf::db_put (guildrules => data => $pst->{guildrules});
1920	}	2281	cf::db_put (rent => balance => $pst->{rent}{balance});
		2282	BDB::db_env_txn_checkpoint $DB_ENV;
1921		2283
1922	my $pid;	2284	unlink $path;
1923
1924	sub db_save() {
1925	waitpid $pid, 0 if $pid;
1926	if (0 == ($pid = fork)) {
1927	$DB->{_meta}{version} = 1;
1928	Storable::nstore $DB, "$path~";
1929	rename "$path~", $path;
1930	cf::_exit 0 if defined $pid;
1931	}	2285	};
1932	}
1933
1934	my $dirty;
1935
1936	sub db_sync() {
1937	db_save if $dirty;
1938	undef $dirty;
1939	}
1940
1941	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1942	db_sync;
1943	});
1944
1945	sub db_dirty() {
1946	$dirty = 1;
1947	$idle->start;
1948	}
1949
1950	sub db_get($;$) {
1951	@_ >= 2
1952	? $DB->{$_[0]}{$_[1]}
1953	: ($DB->{$_[0]} ||= { })
1954	}
1955
1956	sub db_put($$;$) {
1957	if (@_ >= 3) {
1958	$DB->{$_[0]}{$_[1]} = $_[2];
1959	} else {
1960	$DB->{$_[0]} = $_[1];
1961	}
1962	db_dirty;
1963	}
1964
1965	cf::global->attach (
1966	prio => 10000,
1967	on_cleanup => sub {
1968	db_sync;
1969	},	2286	}
1970	);	2287	}
		2288	}
		2289
		2290	sub db_get($$) {
		2291	my $key = "$_[0]/$_[1]";
		2292
		2293	cf::sync_job {
		2294	BDB::db_get $DB, undef, $key, my $data;
		2295
		2296	$! ? ()
		2297	: Compress::LZF::sthaw $data
		2298	}
		2299	}
		2300
		2301	sub db_put($$$) {
		2302	BDB::dbreq_pri 4;
		2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1971	}	2304	}
1972		2305
1973	#############################################################################	2306	#############################################################################
1974	# the server's main()	2307	# the server's init and main functions
		2308
		2309	sub load_facedata {
		2310	my $path = sprintf "%s/facedata", cf::datadir;
		2311
		2312	warn "loading facedata from $path\n";
		2313
		2314	my $facedata;
		2315	0 < aio_load $path, $facedata
		2316	or die "$path: $!";
		2317
		2318	$facedata = Coro::Storable::thaw $facedata;
		2319
		2320	$facedata->{version} == 2
		2321	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2322
		2323	{
		2324	my $faces = $facedata->{faceinfo};
		2325
		2326	while (my ($face, $info) = each %$faces) {
		2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2331	Coro::cede;
		2332	}
		2333
		2334	while (my ($face, $info) = each %$faces) {
		2335	next unless $info->{smooth};
		2336	my $idx = cf::face::find $face
		2337	or next;
		2338	if (my $smooth = cf::face::find $info->{smooth}) {
		2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2340	} else {
		2341	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2342	}
		2343	Coro::cede;
		2344	}
		2345	}
		2346
		2347	{
		2348	my $anims = $facedata->{animinfo};
		2349
		2350	while (my ($anim, $info) = each %$anims) {
		2351	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2352	Coro::cede;
		2353	}
		2354
		2355	cf::anim::invalidate_all; # d'oh
		2356	}
		2357
		2358	1
		2359	}
		2360
		2361	sub reload_resources {
		2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2363	or die "unable to load regions file\n";#d#
		2364	load_facedata
		2365	or die "unable to load facedata\n";#d#
		2366	}
		2367
		2368	sub init {
		2369	reload_resources;
		2370	}
1975		2371
1976	sub cfg_load {	2372	sub cfg_load {
1977	open my $fh, "<:utf8", cf::confdir . "/config"	2373	open my $fh, "<:utf8", cf::confdir . "/config"
1978	or return;	2374	or return;
1979		2375
1980	local $/;	2376	local $/;
1981	*CFG = YAML::Syck::Load <$fh>;	2377	*CFG = YAML::Syck::Load <$fh>;
1982		2378
1983	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1984		2380
		2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2383
1985	if (exists $CFG{mlockall}) {	2384	if (exists $CFG{mlockall}) {
1986	eval {	2385	eval {
1987	$CFG{mlockall} ? &mlockall : &munlockall	2386	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1988	and die "WARNING: m(un)lockall failed: $!\n";	2387	and die "WARNING: m(un)lockall failed: $!\n";
1989	};	2388	};
1990	warn $@ if $@;	2389	warn $@ if $@;
1991	}	2390	}
1992	}	2391	}
1993		2392
1994	sub main {	2393	sub main {
1995	# we must not ever block the main coroutine	2394	# we must not ever block the main coroutine
1996	local $Coro::idle = sub {	2395	local $Coro::idle = sub {
1997	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1998	(Coro::unblock_sub {	2397	(async {
1999	Event::one_event;	2398	Event::one_event;
2000	})->();	2399	})->prio (Coro::PRIO_MAX);
2001	};	2400	};
2002		2401
2003	cfg_load;	2402	cfg_load;
2004	db_load;	2403	db_init;
2005	load_extensions;	2404	load_extensions;
		2405
		2406	$TICK_WATCHER->start;
2006	Event::loop;	2407	Event::loop;
2007	}	2408	}
2008		2409
2009	#############################################################################	2410	#############################################################################
2010	# initialisation	2411	# initialisation and cleanup
		2412
		2413	# install some emergency cleanup handlers
		2414	BEGIN {
		2415	for my $signal (qw(INT HUP TERM)) {
		2416	Event->signal (
		2417	reentrant => 0,
		2418	data => WF_AUTOCANCEL,
		2419	signal => $signal,
		2420	prio => 0,
		2421	cb => sub {
		2422	cf::cleanup "SIG$signal";
		2423	},
		2424	);
		2425	}
		2426	}
		2427
		2428	sub emergency_save() {
		2429	my $freeze_guard = cf::freeze_mainloop;
		2430
		2431	warn "enter emergency perl save\n";
		2432
		2433	cf::sync_job {
		2434	# use a peculiar iteration method to avoid tripping on perl
		2435	# refcount bugs in for. also avoids problems with players
		2436	# and maps saved/destroyed asynchronously.
		2437	warn "begin emergency player save\n";
		2438	for my $login (keys %cf::PLAYER) {
		2439	my $pl = $cf::PLAYER{$login} or next;
		2440	$pl->valid or next;
		2441	$pl->save;
		2442	}
		2443	warn "end emergency player save\n";
		2444
		2445	warn "begin emergency map save\n";
		2446	for my $path (keys %cf::MAP) {
		2447	my $map = $cf::MAP{$path} or next;
		2448	$map->valid or next;
		2449	$map->save;
		2450	}
		2451	warn "end emergency map save\n";
		2452
		2453	warn "begin emergency database checkpoint\n";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455	warn "end emergency database checkpoint\n";
		2456	};
		2457
		2458	warn "leave emergency perl save\n";
		2459	}
		2460
		2461	sub post_cleanup {
		2462	my ($make_core) = @_;
		2463
		2464	warn Carp::longmess "post_cleanup backtrace"
		2465	if $make_core;
		2466	}
2011		2467
2012	sub reload() {	2468	sub reload() {
2013	# can/must only be called in main	2469	# can/must only be called in main
2014	if ($Coro::current != $Coro::main) {	2470	if ($Coro::current != $Coro::main) {
2015	warn "can only reload from main coroutine\n";	2471	warn "can only reload from main coroutine";
2016	return;	2472	return;
2017	}	2473	}
2018		2474
2019	warn "reloading...";	2475	warn "reloading...";
2020		2476
2021	my $guard = freeze_mainloop;	2477	warn "entering sync_job";
		2478
		2479	cf::sync_job {
		2480	cf::write_runtime; # external watchdog should not bark
2022	cf::emergency_save;	2481	cf::emergency_save;
		2482	cf::write_runtime; # external watchdog should not bark
2023		2483
2024	eval {	2484	warn "syncing database to disk";
		2485	BDB::db_env_txn_checkpoint $DB_ENV;
		2486
2025	# if anything goes wrong in here, we should simply crash as we already saved	2487	# if anything goes wrong in here, we should simply crash as we already saved
2026		2488
2027	# cancel all watchers	2489	warn "cancelling all WF_AUTOCANCEL watchers";
2028	for (Event::all_watchers) {	2490	for (Event::all_watchers) {
2029	$_->cancel if $_->data & WF_AUTOCANCEL;	2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2030	}	2492	}
2031		2493
		2494	warn "flushing outstanding aio requests";
		2495	for (;;) {
		2496	BDB::flush;
		2497	IO::AIO::flush;
		2498	Coro::cede;
		2499	last unless IO::AIO::nreqs || BDB::nreqs;
		2500	warn "iterate...";
		2501	}
		2502
		2503	++$RELOAD;
		2504
2032	# cancel all extension coros	2505	warn "cancelling all extension coros";
2033	$_->cancel for values %EXT_CORO;	2506	$_->cancel for values %EXT_CORO;
2034	%EXT_CORO = ();	2507	%EXT_CORO = ();
2035		2508
2036	# unload all extensions	2509	warn "removing commands";
2037	for (@exts) {	2510	%COMMAND = ();
		2511
		2512	warn "removing ext commands";
		2513	%EXTCMD = ();
		2514
		2515	warn "unloading/nuking all extensions";
		2516	for my $pkg (@EXTS) {
2038	warn "unloading <$_>";	2517	warn "... unloading $pkg";
2039	unload_extension $_;	2518
		2519	if (my $cb = $pkg->can ("unload")) {
		2520	eval {
		2521	$cb->($pkg);
		2522	1
		2523	} or warn "$pkg unloaded, but with errors: $@";
2040	}	2524	}
2041		2525
		2526	warn "... nuking $pkg";
		2527	Symbol::delete_package $pkg;
		2528	}
		2529
2042	# unload all modules loaded from $LIBDIR	2530	warn "unloading all perl modules loaded from $LIBDIR";
2043	while (my ($k, $v) = each %INC) {	2531	while (my ($k, $v) = each %INC) {
2044	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2045		2533
2046	warn "removing <$k>";	2534	warn "... unloading $k";
2047	delete $INC{$k};	2535	delete $INC{$k};
2048		2536
2049	$k =~ s/\.pm$//;	2537	$k =~ s/\.pm$//;
2050	$k =~ s/\//::/g;	2538	$k =~ s/\//::/g;
2051		2539
…		…
2054	}	2542	}
2055		2543
2056	Symbol::delete_package $k;	2544	Symbol::delete_package $k;
2057	}	2545	}
2058		2546
2059	# sync database to disk
2060	cf::db_sync;
2061	IO::AIO::flush;
2062
2063	# get rid of safe::, as good as possible	2547	warn "getting rid of safe::, as good as possible";
2064	Symbol::delete_package "safe::$_"	2548	Symbol::delete_package "safe::$_"
2065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2066		2550
2067	# remove register_script_function callbacks
2068	# TODO
2069
2070	# unload cf.pm "a bit"	2551	warn "unloading cf.pm \"a bit\"";
2071	delete $INC{"cf.pm"};	2552	delete $INC{"cf.pm"};
2072		2553
2073	# don't, removes xs symbols, too,	2554	# don't, removes xs symbols, too,
2074	# and global variables created in xs	2555	# and global variables created in xs
2075	#Symbol::delete_package __PACKAGE__;	2556	#Symbol::delete_package __PACKAGE__;
2076		2557
2077	# reload cf.pm	2558	warn "unload completed, starting to reload now";
		2559
2078	warn "reloading cf.pm";	2560	warn "reloading cf.pm";
2079	require cf;	2561	require cf;
2080	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2081		2563
2082	# load config and database again	2564	warn "loading config and database again";
2083	cf::cfg_load;	2565	cf::cfg_load;
2084	cf::db_load;
2085		2566
2086	# load extensions
2087	warn "load extensions";	2567	warn "loading extensions";
2088	cf::load_extensions;	2568	cf::load_extensions;
2089		2569
2090	# reattach attachments to objects	2570	warn "reattaching attachments to objects/players";
2091	warn "reattach";	2571	_global_reattach; # objects, sockets
2092	_global_reattach;	2572	warn "reattaching attachments to maps";
2093	};	2573	reattach $_ for values %MAP;
		2574	warn "reattaching attachments to players";
		2575	reattach $_ for values %PLAYER;
2094		2576
2095	if ($@) {	2577	warn "loading reloadable resources";
		2578	reload_resources;
		2579
		2580	warn "leaving sync_job";
		2581
		2582	1
		2583	} or do {
2096	warn $@;	2584	warn $@;
2097	warn "error while reloading, exiting.";	2585	warn "error while reloading, exiting.";
2098	exit 1;	2586	exit 1;
2099	}	2587	};
2100		2588
2101	warn "reloaded successfully";	2589	warn "reloaded";
2102	};	2590	};
2103		2591
2104	#############################################################################	2592	our $RELOAD_WATCHER; # used only during reload
2105
2106	unless ($LINK_MAP) {
2107	$LINK_MAP = cf::map::new;
2108
2109	$LINK_MAP->width (41);
2110	$LINK_MAP->height (41);
2111	$LINK_MAP->alloc;
2112	$LINK_MAP->path ("{link}");
2113	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2114	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2115
2116	# dirty hack because... archetypes are not yet loaded
2117	Event->timer (
2118	after => 2,
2119	cb => sub {
2120	$_[0]->w->cancel;
2121
2122	# provide some exits "home"
2123	my $exit = cf::object::new "exit";
2124
2125	$exit->slaying ($EMERGENCY_POSITION->[0]);
2126	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2127	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2128
2129	$LINK_MAP->insert ($exit->clone, 19, 19);
2130	$LINK_MAP->insert ($exit->clone, 19, 20);
2131	$LINK_MAP->insert ($exit->clone, 19, 21);
2132	$LINK_MAP->insert ($exit->clone, 20, 19);
2133	$LINK_MAP->insert ($exit->clone, 20, 21);
2134	$LINK_MAP->insert ($exit->clone, 21, 19);
2135	$LINK_MAP->insert ($exit->clone, 21, 20);
2136	$LINK_MAP->insert ($exit->clone, 21, 21);
2137
2138	$exit->destroy;
2139	});
2140
2141	$LINK_MAP->{deny_save} = 1;
2142	$LINK_MAP->{deny_reset} = 1;
2143
2144	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2145	}
2146
2147	register "<global>", __PACKAGE__;
2148		2593
2149	register_command "reload" => sub {	2594	register_command "reload" => sub {
2150	my ($who, $arg) = @_;	2595	my ($who, $arg) = @_;
2151		2596
2152	if ($who->flag (FLAG_WIZ)) {	2597	if ($who->flag (FLAG_WIZ)) {
2153	$who->message ("start of reload.");	2598	$who->message ("reloading server.");
		2599
		2600	# doing reload synchronously and two reloads happen back-to-back,
		2601	# coro crashes during coro_state_free->destroy here.
		2602
		2603	$RELOAD_WATCHER ||= Event->timer (
		2604	reentrant => 0,
		2605	after => 0,
		2606	data => WF_AUTOCANCEL,
		2607	cb => sub {
2154	reload;	2608	reload;
2155	$who->message ("end of reload.");	2609	undef $RELOAD_WATCHER;
		2610	},
		2611	);
2156	}	2612	}
2157	};	2613	};
2158		2614
2159	unshift @INC, $LIBDIR;	2615	unshift @INC, $LIBDIR;
		2616
		2617	my $bug_warning = 0;
2160		2618
2161	$TICK_WATCHER = Event->timer (	2619	$TICK_WATCHER = Event->timer (
2162	reentrant => 0,	2620	reentrant => 0,
		2621	parked => 1,
2163	prio => 0,	2622	prio => 0,
2164	at => $NEXT_TICK || $TICK,	2623	at => $NEXT_TICK || $TICK,
2165	data => WF_AUTOCANCEL,	2624	data => WF_AUTOCANCEL,
2166	cb => sub {	2625	cb => sub {
		2626	if ($Coro::current != $Coro::main) {
		2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2628	unless ++$bug_warning > 10;
		2629	return;
		2630	}
		2631
		2632	$NOW = Event::time;
		2633
2167	cf::server_tick; # one server iteration	2634	cf::server_tick; # one server iteration
2168	$RUNTIME += $TICK;	2635	$RUNTIME += $TICK;
2169	$NEXT_TICK += $TICK;	2636	$NEXT_TICK += $TICK;
		2637
		2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2639	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2640	Coro::async_pool {
		2641	write_runtime
		2642	or warn "ERROR: unable to write runtime file: $!";
		2643	};
		2644	}
		2645
		2646	$WAIT_FOR_TICK->broadcast;
		2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2648
		2649	# my $AFTER = Event::time;
		2650	# warn $AFTER - $NOW;#d#
2170		2651
2171	# if we are delayed by four ticks or more, skip them all	2652	# if we are delayed by four ticks or more, skip them all
2172	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2173		2654
2174	$TICK_WATCHER->at ($NEXT_TICK);	2655	$TICK_WATCHER->at ($NEXT_TICK);
2175	$TICK_WATCHER->start;	2656	$TICK_WATCHER->start;
2176	},	2657	},
2177	);	2658	);
2178		2659
		2660	{
2179	IO::AIO::max_poll_time $TICK * 0.2;	2661	BDB::max_poll_time $TICK * 0.1;
2180		2662	$BDB_POLL_WATCHER = Event->io (
2181	Event->io (	2663	reentrant => 0,
2182	fd => IO::AIO::poll_fileno,	2664	fd => BDB::poll_fileno,
2183	poll => 'r',	2665	poll => 'r',
2184	prio => 5,	2666	prio => 0,
2185	data => WF_AUTOCANCEL,
2186	cb => \&IO::AIO::poll_cb,
2187	);
2188
2189	Event->timer (
2190	data => WF_AUTOCANCEL,	2667	data => WF_AUTOCANCEL,
2191	after => 0,	2668	cb => \&BDB::poll_cb,
2192	interval => 10,	2669	);
2193	cb => sub {	2670	BDB::min_parallel 8;
2194	(Coro::unblock_sub {	2671
2195	write_runtime	2672	BDB::set_sync_prepare {
2196	or warn "ERROR: unable to write runtime file: $!";	2673	my $status;
		2674	my $current = $Coro::current;
		2675	(
		2676	sub {
		2677	$status = $!;
		2678	$current->ready; undef $current;
		2679	},
		2680	sub {
		2681	Coro::schedule while defined $current;
		2682	$! = $status;
		2683	},
		2684	)
		2685	};
		2686
		2687	unless ($DB_ENV) {
		2688	$DB_ENV = BDB::db_env_create;
		2689
		2690	cf::sync_job {
		2691	eval {
		2692	BDB::db_env_open
		2693	$DB_ENV,
		2694	$BDB_ENV_DIR,
		2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2697	0666;
		2698
		2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2700
		2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2702	$DB_ENV->set_lk_detect;
		2703	};
		2704
		2705	cf::cleanup "db_env_open(db): $@" if $@;
2197	})->();	2706	};
2198	},	2707	}
2199	);	2708	}
		2709
		2710	{
		2711	IO::AIO::min_parallel 8;
		2712
		2713	undef $Coro::AIO::WATCHER;
		2714	IO::AIO::max_poll_time $TICK * 0.1;
		2715	$AIO_POLL_WATCHER = Event->io (
		2716	reentrant => 0,
		2717	data => WF_AUTOCANCEL,
		2718	fd => IO::AIO::poll_fileno,
		2719	poll => 'r',
		2720	prio => 6,
		2721	cb => \&IO::AIO::poll_cb,
		2722	);
		2723	}
2200		2724
2201	END { cf::emergency_save }	2725	END { cf::emergency_save }
2202		2726
2203	1	2727	1
2204		2728

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