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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.116 by root, Mon Jan 1 17:30:34 2007 UTC vs.
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $WRITE_RUNTIME_WATCHER;
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
		281	$TICK_WATCHER->stop;
		282	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
185		294
186	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
187		296
188	The design of crossfire+ requires that the main coro ($Coro::main) is	297	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	298	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
205		314
206	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	316	# (but this is cancel-safe)
208	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
209		318
210	my $busy = 1;	319	my $busy = 1;
211	my @res;	320	my @res;
212		321
213	(Coro::async {	322	(async {
214	@res = eval { $job->() };	323	@res = eval { $job->() };
215	warn $@ if $@;	324	warn $@ if $@;
216	undef $busy;	325	undef $busy;
217	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
218		327
219	while ($busy) {	328	while ($busy) {
220	Coro::cede_notself;	329	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	330	}
223		331
224	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
225	} else {	333	} else {
226	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
227		335
228	$job->()	336	$job->()
229	}	337	}
230	}	338	}
231		339
232	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
233		341
234	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
236		344
237	=cut	345	=cut
238		346
239	sub coro(&) {	347	sub async_ext(&) {
240	my $cb = shift;	348	my $cb = shift;
241		349
242	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		351
249	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
251	});	354	});
252	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
253		356
254	$coro	357	$coro
255	}	358	}
256		359
257	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
258	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
259		364
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	366	or return;
262		367
		368	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	369	# 10 is the runtime save interval, for a monotonic clock
		370	# 60 allows for the watchdog to kill the server.
		371
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	373	and return;
266		374
		375	# always fsync - this file is important
267	aio_fsync $fh	376	aio_fsync $fh
268	and return;	377	and return;
269		378
270	close $fh	379	close $fh
271	or return;	380	or return;
…		…
277	}	386	}
278		387
279	=back	388	=back
280		389
281	=cut	390	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		391
403	#############################################################################	392	#############################################################################
404		393
405	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
406		395
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	522	our @CB_MAP = ();
534		523
535	my %attachment;	524	my %attachment;
536		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
537	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
539		534
540	use sort 'stable';	535	use sort 'stable';
541		536
…		…
712	# object support	707	# object support
713		708
714	sub reattach {	709	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		714
718	my $registry = $obj->registry;	715	my $registry = $obj->registry;
719		716
720	@$registry = ();	717	@$registry = ();
721		718
…		…
768	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
769		766
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	771	close $fh;
775		772
776	if (@$objs) {	773	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	774	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	779	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
784	}	781	}
785	} else {	782	} else {
786	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
792	}	789	}
793	} else {	790	} else {
794	aio_unlink $filename;	791	aio_unlink $filename;
795	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
796	}	793	}
		794
		795	#d##TODO# nuke non .map-files if exist
		796	if ($filename =~ s/\.map$//) {
		797	aio_unlink $filename;
		798	aio_unlink "$filename.pst";
		799	}
797	}	800	}
798	}	801	}
799		802
800	sub object_freezer_as_string {	803	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
807		810
808	sub object_thawer_load {	811	sub object_thawer_load {
809	my ($filename) = @_;	812	my ($filename) = @_;
810		813
811	my ($data, $av);	814	my ($data, $av);
		815
		816	#d#TODO remove .map if file does not exist
		817	aio_stat $filename and $filename =~ s/\.map$//;
812		818
813	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
814	or return;	820	or return;
815		821
816	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	823	(aio_load "$filename.pst", $av) >= 0
818	or return;	824	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	825	$av = eval { (Storable::thaw $av)->{objs} };
820	}	826	}
821		827
		828	warn sprintf "loading %s (%d)\n",
		829	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	830	return ($data, $av);
823	}	831	}
824		832
825	#############################################################################	833	#############################################################################
826	# command handling &c	834	# command handling &c
…		…
851	=cut	859	=cut
852		860
853	sub register_extcmd {	861	sub register_extcmd {
854	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
855		863
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
860	}	865	}
861		866
862	cf::player->attach (	867	cf::player->attach (
863	on_command => sub {	868	on_command => sub {
864	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
877		882
878	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
879		884
880	if (ref $msg) {	885	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	889	}
885	}	890	}
886	} else {	891	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		894
890	cf::override;	895	cf::override;
891	},	896	},
892	);	897	);
893		898
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	899	sub load_extension {
901	my ($path) = @_;	900	my ($path) = @_;
902		901
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	903	my $base = $1;
905	my $pkg = $1;	904	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
908		907
909	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
910		909
911	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
912	or die "$path: $!";	911	or die "$path: $!";
913		912
914	my $source =	913	my $source =
915	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
918	. "\n};\n1";	917	. "\n};\n1";
919		918
920	eval $source	919	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	921	: "extension disabled.\n";
923		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	923	warn $@;
925	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
926		925	exit 1;
927	# no strict 'refs';	926	}
928	# @{"$pkg\::ISA"} = ext::;	927	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	928	}
943		929
944	# remove commands	930	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	931	}
969		932
970	sub load_extensions {	933	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	935	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
977	}	940	}
978	}	941	}
979		942
980	#############################################################################	943	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		944
1018	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1019		946
1020	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1021		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1022	=head3 cf::player	955	=head3 cf::player
1023		956
1024	=over 4	957	=over 4
1025		958
1026	=item cf::player::exists $login	959	=item cf::player::find $login
1027		960
1028	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1029		962
1030	=cut	963	=cut
1031		964
1032	sub cf::player::exists($) {	965	sub playerdir($) {
1033	cf::player::find $_[0]	966	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	967	. "/"
		968	. cf::playerdir
		969	. "/"
		970	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		971	}
		972
		973	sub path($) {
		974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		975
		976	(playerdir $login) . "/$login.pl"
		977	}
		978
		979	sub find_active($) {
		980	$cf::PLAYER{$_[0]}
		981	and $cf::PLAYER{$_[0]}->active
		982	and $cf::PLAYER{$_[0]}
		983	}
		984
		985	sub exists($) {
		986	my ($login) = @_;
		987
		988	$cf::PLAYER{$login}
		989	or cf::sync_job { !aio_stat path $login }
		990	}
		991
		992	sub find($) {
		993	return $cf::PLAYER{$_[0]} || do {
		994	my $login = $_[0];
		995
		996	my $guard = cf::lock_acquire "user_find:$login";
		997
		998	$cf::PLAYER{$_[0]} || do {
		999	my $pl = load_pl path $login
		1000	or return;
		1001	$cf::PLAYER{$login} = $pl
		1002	}
		1003	}
		1004	}
		1005
		1006	sub save($) {
		1007	my ($pl) = @_;
		1008
		1009	return if $pl->{deny_save};
		1010
		1011	my $path = path $pl;
		1012	my $guard = cf::lock_acquire "user_save:$path";
		1013
		1014	return if $pl->{deny_save};
		1015
		1016	aio_mkdir playerdir $pl, 0770;
		1017	$pl->{last_save} = $cf::RUNTIME;
		1018
		1019	$pl->save_pl ($path);
		1020	Coro::cede;
		1021	}
		1022
		1023	sub new($) {
		1024	my ($login) = @_;
		1025
		1026	my $self = create;
		1027
		1028	$self->ob->name ($login);
		1029	$self->{deny_save} = 1;
		1030
		1031	$cf::PLAYER{$login} = $self;
		1032
		1033	$self
		1034	}
		1035
		1036	=item $pl->quit_character
		1037
		1038	Nukes the player without looking back. If logged in, the connection will
		1039	be destroyed. May block for a long time.
		1040
		1041	=cut
		1042
		1043	sub quit_character {
		1044	my ($pl) = @_;
		1045
		1046	$pl->{deny_save} = 1;
		1047	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1048
		1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1050	$pl->deactivate;
		1051	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1052	$pl->ns->destroy if $pl->ns;
		1053
		1054	my $path = playerdir $pl;
		1055	my $temp = "$path~$cf::RUNTIME~deleting~";
		1056	aio_rename $path, $temp;
		1057	delete $cf::PLAYER{$pl->ob->name};
		1058	$pl->destroy;
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item cf::player::list_logins
		1063
		1064	Returns am arrayref of all valid playernames in the system, can take a
		1065	while and may block, so not sync_job-capable, ever.
		1066
		1067	=cut
		1068
		1069	sub list_logins {
		1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1071	or return [];
		1072
		1073	my @logins;
		1074
		1075	for my $login (@$dirs) {
		1076	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1077	aio_read $fh, 0, 512, my $buf, 0 or next;
		1078	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1079
		1080	utf8::decode $login;
		1081	push @logins, $login;
		1082	}
		1083
		1084	\@logins
		1085	}
		1086
		1087	=item $player->maps
		1088
		1089	Returns an arrayref of map paths that are private for this
		1090	player. May block.
		1091
		1092	=cut
		1093
		1094	sub maps($) {
		1095	my ($pl) = @_;
		1096
		1097	$pl = ref $pl ? $pl->ob->name : $pl;
		1098
		1099	my $files = aio_readdir playerdir $pl
		1100	or return;
		1101
		1102	my @paths;
		1103
		1104	for (@$files) {
		1105	utf8::decode $_;
		1106	next if /\.(?:pl|pst)$/;
		1107	next unless /^$PATH_SEP/o;
		1108
		1109	push @paths, cf::map::normalise "~$pl/$_";
		1110	}
		1111
		1112	\@paths
1035	}	1113	}
1036		1114
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1116
1039	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1040		1118
1041	=cut	1119	=cut
1042		1120
1043	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1045		1123
1046	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1047		1125
1048	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1049	}	1127	}
		1128
		1129	package cf;
1050		1130
1051	=back	1131	=back
1052		1132
1053		1133
1054	=head3 cf::map	1134	=head3 cf::map
…		…
1060	package cf::map;	1140	package cf::map;
1061		1141
1062	use Fcntl;	1142	use Fcntl;
1063	use Coro::AIO;	1143	use Coro::AIO;
1064		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1065	our $MAX_RESET = 7200;	1149	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1150	our $DEFAULT_RESET = 3000;
1067		1151
1068	sub generate_random_map {	1152	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1155	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1164	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1166	(cf::region::find $rmp->{region}), $rmp->{custom}
		1167	)
		1168	}
		1169
		1170	=item cf::map->register ($regex, $prio)
		1171
		1172	Register a handler for the map path matching the given regex at the
		1173	givne priority (higher is better, built-in handlers have priority 0, the
		1174	default).
		1175
		1176	=cut
		1177
		1178	sub register {
		1179	my (undef, $regex, $prio) = @_;
		1180	my $pkg = caller;
		1181
		1182	no strict;
		1183	push @{"$pkg\::ISA"}, __PACKAGE__;
		1184
		1185	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1186	}
		1187
		1188	# also paths starting with '/'
		1189	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1190
		1191	sub thawer_merge {
		1192	my ($self, $merge) = @_;
		1193
		1194	# we have to keep some variables in memory intact
		1195	local $self->{path};
		1196	local $self->{load_path};
		1197	local $self->{deny_save};
		1198	local $self->{deny_reset};
		1199
		1200	$self->SUPER::thawer_merge ($merge);
		1201	}
		1202
		1203	sub normalise {
		1204	my ($path, $base) = @_;
		1205
		1206	$path = "$path"; # make sure its a string
		1207
		1208	$path =~ s/\.map$//;
		1209
		1210	# map plan:
		1211	#
		1212	# /! non-realised random map exit (special hack!)
		1213	# {... are special paths that are not being touched
		1214	# ?xxx/... are special absolute paths
		1215	# ?random/... random maps
		1216	# /... normal maps
		1217	# ~user/... per-player map of a specific user
		1218
		1219	$path =~ s/$PATH_SEP/\//go;
		1220
		1221	# treat it as relative path if it starts with
		1222	# something that looks reasonable
		1223	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1224	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1225
		1226	$base =~ s{[^/]+/?$}{};
		1227	$path = "$base/$path";
		1228	}
		1229
		1230	for ($path) {
		1231	redo if s{//}{/};
		1232	redo if s{/\.?/}{/};
		1233	redo if s{/[^/]+/\.\./}{/};
		1234	}
		1235
		1236	$path
		1237	}
		1238
		1239	sub new_from_path {
		1240	my (undef, $path, $base) = @_;
		1241
		1242	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1243
		1244	$path = normalise $path, $base;
		1245
		1246	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1247	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1248	my $self = bless cf::map::new, $pkg;
		1249	$self->{path} = $path; $self->path ($path);
		1250	$self->init; # pass $1 etc.
		1251	return $self;
		1252	}
		1253	}
		1254
		1255	Carp::carp "unable to resolve path '$path' (base '$base').";
		1256	()
		1257	}
		1258
		1259	sub init {
		1260	my ($self) = @_;
		1261
		1262	$self
		1263	}
		1264
		1265	sub as_string {
		1266	my ($self) = @_;
		1267
		1268	"$self->{path}"
		1269	}
		1270
		1271	# the displayed name, this is a one way mapping
		1272	sub visible_name {
		1273	&as_string
		1274	}
		1275
		1276	# the original (read-only) location
		1277	sub load_path {
		1278	my ($self) = @_;
		1279
		1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1281	}
		1282
		1283	# the temporary/swap location
		1284	sub save_path {
		1285	my ($self) = @_;
		1286
		1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1289	}
		1290
		1291	# the unique path, undef == no special unique path
		1292	sub uniq_path {
		1293	my ($self) = @_;
		1294
		1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1297	}
1086		1298
1087	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1088	# all maps in C++...	1300	# all maps in C++...
1089	sub change_all_map_light {	1301	sub change_all_map_light {
1090	my ($change) = @_;	1302	my ($change) = @_;
1091		1303
1092	$_->change_map_light ($change) for values %cf::MAP;	1304	$_->change_map_light ($change)
		1305	for grep $_->outdoor, values %cf::MAP;
1093	}	1306	}
1094		1307
		1308	sub unlink_save {
		1309	my ($self) = @_;
		1310
		1311	utf8::encode (my $save = $self->save_path);
		1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1314
		1315	#d#TODO remove .map and also nuke
		1316	$save =~ s/\.map// or return;#d#
		1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1319	}
		1320
1095	sub try_load_header($) {	1321	sub load_header_from($) {
1096	my ($path) = @_;	1322	my ($self, $path) = @_;
1097		1323
1098	utf8::encode $path;	1324	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1100	or return;	1329	or return;
1101		1330
1102	my $map = cf::map::new	1331	$self->{load_path} = $path;
		1332
		1333	1
		1334	}
		1335
		1336	sub load_header_orig {
		1337	my ($self) = @_;
		1338
		1339	$self->load_header_from ($self->load_path)
		1340	}
		1341
		1342	sub load_header_temp {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->save_path)
		1346	}
		1347
		1348	sub prepare_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->last_access ((delete $self->{last_access})
		1352	|| $cf::RUNTIME); #d#
		1353	# safety
		1354	$self->{instantiate_time} = $cf::RUNTIME
		1355	if $self->{instantiate_time} > $cf::RUNTIME;
		1356	}
		1357
		1358	sub prepare_orig {
		1359	my ($self) = @_;
		1360
		1361	$self->{load_original} = 1;
		1362	$self->{instantiate_time} = $cf::RUNTIME;
		1363	$self->last_access ($cf::RUNTIME);
		1364	$self->instantiate;
		1365	}
		1366
		1367	sub load_header {
		1368	my ($self) = @_;
		1369
		1370	if ($self->load_header_temp) {
		1371	$self->prepare_temp;
		1372	} else {
		1373	$self->load_header_orig
1103	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1104		1377
1105	$map->load_header ($path)	1378	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1379	}
1112		1380
		1381	sub find;
1113	sub find_map {	1382	sub find {
1114	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1115		1384
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1386
		1387	cf::lock_wait "map_find:$path";
		1388
1121	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1122	# do it the slow way	1390	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1391	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1392	or return;
1137		1393
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1395
1151	if ($map->should_reset) {	1396	$map->load_header
		1397	or return;
		1398
		1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1400	# doing this can freeze the server in a sync job, obviously
		1401	#$cf::WAIT_FOR_TICK->wait;
1152	$map->reset;	1402	$map->reset;
1153	$map = find_map $path;	1403	undef $guard;
		1404	return find $path;
1154	}	1405	}
1155		1406
1156	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1157	}	1408	}
1158	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1159		1413
1160	sub load {	1414	sub load {
1161	my ($self) = @_;	1415	my ($self) = @_;
1162		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
		1419	my $path = $self->{path};
		1420	my $guard = cf::lock_acquire "map_load:$path";
		1421
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1423
1165	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1166		1425
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1170	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1431	or return;
1172		1432
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1434	if delete $self->{load_original};
1175		1435
1176	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1437	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1439	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1181	}	1441	}
1182	}	1442	}
		1443
		1444	Coro::cede;
1183		1445
1184	# now do the right thing for maps	1446	# now do the right thing for maps
1185	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1186		1448
1187	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1450	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1194	$self->set_darkness_map;	1454	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1197	$self->activate;	1458	$self->activate;
1198	}	1459	}
1199		1460
		1461	$self->post_load;
		1462
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1464	}
1202		1465
1203	sub load_map_sync {	1466	sub customise_for {
		1467	my ($self, $ob) = @_;
		1468
		1469	return find "~" . $ob->name . "/" . $self->{path}
		1470	if $self->per_player;
		1471
		1472	$self
		1473	}
		1474
		1475	# find and load all maps in the 3x3 area around a map
		1476	sub load_diag {
		1477	my ($map) = @_;
		1478
		1479	my @diag; # diagonal neighbours
		1480
		1481	for (0 .. 3) {
		1482	my $neigh = $map->tile_path ($_)
		1483	or next;
		1484	$neigh = find $neigh, $map
		1485	or next;
		1486	$neigh->load;
		1487
		1488	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1489	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1490	}
		1491
		1492	for (@diag) {
		1493	my $neigh = find @$_
		1494	or next;
		1495	$neigh->load;
		1496	}
		1497	}
		1498
		1499	sub find_sync {
1204	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1205		1501
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1502	cf::sync_job { find $path, $origin }
		1503	}
1207		1504
1208	cf::sync_job {	1505	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1506	my ($map) = @_;
1210	or return;	1507
		1508	cf::sync_job { $map->load };
		1509	}
		1510
		1511	our %MAP_PREFETCH;
		1512	our $MAP_PREFETCHER = undef;
		1513
		1514	sub find_async {
		1515	my ($path, $origin) = @_;
		1516
		1517	$path = normalise $path, $origin && $origin->{path};
		1518
		1519	if (my $map = $cf::MAP{$path}) {
		1520	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1521	}
		1522
		1523	undef $MAP_PREFETCH{$path};
		1524	$MAP_PREFETCHER ||= cf::async {
		1525	while (%MAP_PREFETCH) {
		1526	for my $path (keys %MAP_PREFETCH) {
		1527	my $map = find $path
		1528	or next;
1211	$map->load;	1529	$map->load;
1212	$map	1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
1213	}	1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
1214	}	1539	}
1215		1540
1216	sub save {	1541	sub save {
1217	my ($self) = @_;	1542	my ($self) = @_;
1218		1543
1219	my $save = $self->{path}->save_path; utf8::encode $save;	1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
1220	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1221		1545
1222	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1223		1547
1224	return unless $self->dirty;	1548	return unless $self->dirty;
1225		1549
		1550	my $save = $self->save_path; utf8::encode $save;
		1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1552
1226	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1227		1554
1228	return if $self->{deny_save};	1555	return if $self->{deny_save};
1229		1556
		1557	local $self->{last_access} = $self->last_access;#d#
		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1230	if ($uniq) {	1563	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1566	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1567	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}	1568	}
1236	}	1569	}
1237		1570
1238	sub swap_out {	1571	sub swap_out {
1239	my ($self) = @_;	1572	my ($self) = @_;
		1573
		1574	# save first because save cedes
		1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1240		1578
1241	return if $self->players;	1579	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1581	return if $self->{deny_save};
1244		1582
1245	$self->save;
1246	$self->clear;	1583	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1584	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1585	}
1249		1586
1250	sub reset_at {	1587	sub reset_at {
1251	my ($self) = @_;	1588	my ($self) = @_;
1252		1589
1253	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1256		1593
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1596
…		…
1264	my ($self) = @_;	1601	my ($self) = @_;
1265		1602
1266	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1267	}	1604	}
1268		1605
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1606	sub reset {
1291	my ($self) = @_;	1607	my ($self) = @_;
1292		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1293	return if $self->players;	1611	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1295		1613
1296	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1297		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617
		1618	# need to save uniques path
		1619	unless ($self->{deny_save}) {
		1620	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1621
		1622	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1623	if $uniq;
		1624	}
		1625
1298	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1299		1629
1300	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1301		1631
1302	$self->unlink_save;	1632	$self->unlink_save;
1303	$self->destroy;	1633	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1307		1637
1308	sub nuke {	1638	sub nuke {
1309	my ($self) = @_;	1639	my ($self) = @_;
1310		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1314	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1315	}	1654	}
1316		1655
1317	sub customise_for {	1656	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1657
1320	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1322	}
1323		1660
1324	$map	1661	=cut
1325	}
1326		1662
1327	sub emergency_save {	1663	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1329		1666
1330	warn "enter emergency map save\n";	1667	my @paths;
1331		1668
1332	cf::sync_job {	1669	for (@$files) {
1333	warn "begin emergency map save\n";	1670	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1335	};	1675	}
1336		1676
1337	warn "end emergency map save\n";	1677	\@paths
1338	}	1678	}
1339		1679
1340	package cf;	1680	package cf;
1341		1681
1342	=back	1682	=back
1343		1683
		1684	=head3 cf::object
		1685
		1686	=cut
		1687
		1688	package cf::object;
		1689
		1690	=over 4
		1691
		1692	=item $ob->inv_recursive
		1693
		1694	Returns the inventory of the object _and_ their inventories, recursively.
		1695
		1696	=cut
		1697
		1698	sub inv_recursive_;
		1699	sub inv_recursive_ {
		1700	map { $_, inv_recursive_ $_->inv } @_
		1701	}
		1702
		1703	sub inv_recursive {
		1704	inv_recursive_ inv $_[0]
		1705	}
		1706
		1707	package cf;
		1708
		1709	=back
1344		1710
1345	=head3 cf::object::player	1711	=head3 cf::object::player
1346		1712
1347	=over 4	1713	=over 4
1348		1714
…		…
1388		1754
1389	=item $player_object->enter_link	1755	=item $player_object->enter_link
1390		1756
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1757	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1758
1393	The player should be reaosnably safe there for short amounts of time. You	1759	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1395		1761
		1762	Will never block.
		1763
1396	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1397		1765
1398	Moves the player out of the specila link map onto the given map. If the	1766	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1767	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1768	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1769	fails, to the emergency map position.
1402		1770
1403	Might block.	1771	Might block.
1404		1772
1405	=cut	1773	=cut
		1774
		1775	sub link_map {
		1776	unless ($LINK_MAP) {
		1777	$LINK_MAP = cf::map::find "{link}"
		1778	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1779	$LINK_MAP->load;
		1780	}
		1781
		1782	$LINK_MAP
		1783	}
1406		1784
1407	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1786	my ($self) = @_;
1409		1787
1410	return if $self->map == $LINK_MAP;	1788	$self->deactivate_recursive;
1411		1789
		1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1791
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1793	if $self->map;
1414		1794
1415	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1796	}
1418		1797
1419	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1421		1800
1422	my $link_pos = delete $self->{_link_pos};	1801	my $link_pos = delete $self->{_link_pos};
1423		1802
1424	unless ($map) {	1803	unless ($map) {
1425	# restore original map position	1804	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1805	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1806	$map = cf::map::find $map;
1428		1807
1429	unless ($map) {	1808	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1809	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1810	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1811	or die "FATAL: cannot load emergency map\n";
1433	}	1812	}
1434	}	1813	}
1435		1814
1436	($x, $y) = (-1, -1)	1815	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1442		1821
1443	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1444		1824
		1825	return unless $self->contr->active;
1445	$self->activate_recursive;	1826	$self->activate_recursive;
1446	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1447	}	1828	}
1448		1829
		1830	cf::player->attach (
		1831	on_logout => sub {
		1832	my ($pl) = @_;
		1833
		1834	# abort map switching before logout
		1835	if ($pl->ob->{_link_pos}) {
		1836	cf::sync_job {
		1837	$pl->ob->leave_link
		1838	};
		1839	}
		1840	},
		1841	on_login => sub {
		1842	my ($pl) = @_;
		1843
		1844	# try to abort aborted map switching on player login :)
		1845	# should happen only on crashes
		1846	if ($pl->ob->{_link_pos}) {
		1847	$pl->ob->enter_link;
		1848	(async {
		1849	# we need this sleep as the login has a concurrent enter_exit running
		1850	# and this sleep increases chances of the player not ending up in scorn
		1851	$pl->ob->reply (undef,
		1852	"There was an internal problem at your last logout, "
		1853	. "the server will try to bring you to your intended destination in a second.",
		1854	cf::NDI_RED);
		1855	Coro::Timer::sleep 1;
		1856	$pl->ob->leave_link;
		1857	})->prio (2);
		1858	}
		1859	},
		1860	);
		1861
1449	=item $player_object->goto_map ($map, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1450		1863
1451	=cut	1864	=cut
1452		1865
1453	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1455		1868
1456	$self->enter_link;	1869	$self->enter_link;
1457		1870
1458	(Coro::async {	1871	(async {
1459	$path = new cf::path $path;	1872	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1875	$map
1466		1876	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1878
1469	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1880	})->prio (1);
1471	}	1881	}
1472		1882
…		…
1476		1886
1477	sub parse_random_map_params {	1887	sub parse_random_map_params {
1478	my ($spec) = @_;	1888	my ($spec) = @_;
1479		1889
1480	my $rmp = { # defaults	1890	my $rmp = { # defaults
1481	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1483	};	1895	};
1484		1896
1485	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1487		1899
…		…
1491	$rmp	1903	$rmp
1492	}	1904	}
1493		1905
1494	sub prepare_random_map {	1906	sub prepare_random_map {
1495	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1910
1497	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1913	# that depends on the exit object
1500		1914
1501	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1502		1916
1503	if ($exit->map) {	1917	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1508	}	1922	}
1509		1923
1510	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1511		1925
1512	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1929
1515	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1516	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1517		1934
1518	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	1936	$exit->msg (undef);
1520	}	1937	}
1521	}	1938	}
…		…
1523	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1525		1942
1526	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1527		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1528	$self->enter_link;	1954	$self->enter_link;
1529		1955
1530	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	1958	unless (eval {
1532		1959	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		1960
1539	1;	1961	1;
1540	}) {	1962	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1543	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1545		1967
1546	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	1969	$self->leave_link;
1548	}	1970	}
…		…
1599	on_reply => sub {	2021	on_reply => sub {
1600	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1601		2023
1602	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1603	# get handled first	2025	# get handled first
1604	my $queue = delete $ns->{query_queue};	2026	my $queue = delete $ns->{query_queue}
		2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1605		2028
1606	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2031
1608	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1609		2033
1610	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2035	if (@$queue) {
…		…
1615	}	2039	}
1616	}	2040	}
1617	},	2041	},
1618	);	2042	);
1619		2043
1620	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1621		2045
1622	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1623	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1624	or loss of connection).	2048	or loss of connection).
1625		2049
1626	=cut	2050	=cut
1627		2051
1628	sub cf::client::coro {	2052	sub cf::client::async {
1629	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1630		2054
1631	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2056
1638	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1640	});	2059	});
1641		2060
…		…
1777	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1778	using it, it should be unique.	2197	using it, it should be unique.
1779		2198
1780	=over 4	2199	=over 4
1781		2200
1782	=item $hashref = cf::db_get $family
1783
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1789		2202
1790	Returns a single value from the database	2203	Returns a single value from the database.
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796		2204
1797	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1798		2206
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809		2208
1810	=cut	2209	=cut
1811		2210
1812	our $DB;	2211	our $DB;
1813		2212
1814	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1815	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1816		2232
1817	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1818	warn "loading database $path\n";#d# remove later	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1819	$DB = stat $path ? Storable::retrieve $path : { };	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
1820	}	2236	BDB::db_env_txn_checkpoint $DB_ENV;
1821		2237
1822	my $pid;	2238	unlink $path;
1823
1824	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}	2239	};
1833	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});
1845
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {
1852	@_ >= 2
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856
1857	sub db_put($$;$) {
1858	if (@_ >= 3) {
1859	$DB->{$_[0]}{$_[1]} = $_[2];
1860	} else {
1861	$DB->{$_[0]} = $_[1];
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2240	}
1871	);	2241	}
		2242	}
		2243
		2244	sub db_get($$) {
		2245	my $key = "$_[0]/$_[1]";
		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
		2255	sub db_put($$$) {
		2256	BDB::dbreq_pri 4;
		2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1872	}	2258	}
1873		2259
1874	#############################################################################	2260	#############################################################################
1875	# the server's main()	2261	# the server's init and main functions
		2262
		2263	sub load_resources {
		2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2265	or die "unable to load regions file\n";#d#
		2266	}
1876		2267
1877	sub cfg_load {	2268	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2270	or return;
1880		2271
1881	local $/;	2272	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
		2274
		2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2276
		2277	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2278	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2279
		2280	if (exists $CFG{mlockall}) {
		2281	eval {
		2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2283	and die "WARNING: m(un)lockall failed: $!\n";
		2284	};
		2285	warn $@ if $@;
		2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
1883	}	2291	}
1884		2292
1885	sub main {	2293	sub main {
1886	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2296	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2297	(async {
1890	Event::one_event;	2298	Event::one_event;
1891	})->();	2299	})->prio (Coro::PRIO_MAX);
1892	};	2300	};
1893		2301
1894	cfg_load;	2302	cfg_load;
1895	db_load;	2303	db_init;
1896	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
1897	Event::loop;	2307	Event::loop;
1898	}	2308	}
1899		2309
1900	#############################################################################	2310	#############################################################################
1901	# initialisation	2311	# initialisation and cleanup
		2312
		2313	# install some emergency cleanup handlers
		2314	BEGIN {
		2315	for my $signal (qw(INT HUP TERM)) {
		2316	Event->signal (
		2317	reentrant => 0,
		2318	data => WF_AUTOCANCEL,
		2319	signal => $signal,
		2320	prio => 0,
		2321	cb => sub {
		2322	cf::cleanup "SIG$signal";
		2323	},
		2324	);
		2325	}
		2326	}
		2327
		2328	sub emergency_save() {
		2329	my $freeze_guard = cf::freeze_mainloop;
		2330
		2331	warn "enter emergency perl save\n";
		2332
		2333	cf::sync_job {
		2334	# use a peculiar iteration method to avoid tripping on perl
		2335	# refcount bugs in for. also avoids problems with players
		2336	# and maps saved/destroyed asynchronously.
		2337	warn "begin emergency player save\n";
		2338	for my $login (keys %cf::PLAYER) {
		2339	my $pl = $cf::PLAYER{$login} or next;
		2340	$pl->valid or next;
		2341	$pl->save;
		2342	}
		2343	warn "end emergency player save\n";
		2344
		2345	warn "begin emergency map save\n";
		2346	for my $path (keys %cf::MAP) {
		2347	my $map = $cf::MAP{$path} or next;
		2348	$map->valid or next;
		2349	$map->save;
		2350	}
		2351	warn "end emergency map save\n";
		2352
		2353	warn "begin emergency database checkpoint\n";
		2354	BDB::db_env_txn_checkpoint $DB_ENV;
		2355	warn "end emergency database checkpoint\n";
		2356	};
		2357
		2358	warn "leave emergency perl save\n";
		2359	}
		2360
		2361	sub post_cleanup {
		2362	my ($make_core) = @_;
		2363
		2364	warn Carp::longmess "post_cleanup backtrace"
		2365	if $make_core;
		2366	}
1902		2367
1903	sub reload() {	2368	sub reload() {
1904	# can/must only be called in main	2369	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
1907	return;	2372	return;
1908	}	2373	}
1909		2374
1910	warn "reloading...";	2375	warn "reloading...";
1911		2376
1912	local $FREEZE = 1;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
1913	cf::emergency_save;	2380	cf::emergency_save;
1914		2381
1915	eval {	2382	eval {
1916	# if anything goes wrong in here, we should simply crash as we already saved	2383	# if anything goes wrong in here, we should simply crash as we already saved
1917		2384
1918	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2388	}
1922		2389
		2390	warn "syncing database to disk";
		2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2392
		2393	warn "flushing outstanding aio requests";
		2394	for (;;) {
		2395	BDB::flush;
		2396	IO::AIO::flush;
		2397	Coro::cede;
		2398	last unless IO::AIO::nreqs || BDB::nreqs;
		2399	warn "iterate...";
		2400	}
		2401
1923	# cancel all extension coros	2402	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2404	%EXT_CORO = ();
1926		2405
1927	# unload all extensions	2406	warn "removing commands";
1928	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2414	warn "... unloading $pkg";
1930	unload_extension $_;	2415
		2416	if (my $cb = $pkg->can ("unload")) {
		2417	eval {
		2418	$cb->($pkg);
		2419	1
		2420	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2421	}
1932		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
1933	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2430
1937	warn "removing <$k>";	2431	warn "... unloading $k";
1938	delete $INC{$k};	2432	delete $INC{$k};
1939		2433
1940	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
1942		2436
…		…
1945	}	2439	}
1946		2440
1947	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
1948	}	2442	}
1949		2443
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2447
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
1963		2450
1964	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2452	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
1967		2454
1968	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
1969	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
1970	require cf;	2458	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2460
1973	# load config and database again	2461	warn "loading config and database again";
1974	cf::cfg_load;	2462	cf::cfg_load;
1975	cf::db_load;
1976		2463
1977	# load extensions
1978	warn "load extensions";	2464	warn "loading extensions";
1979	cf::load_extensions;	2465	cf::load_extensions;
1980		2466
1981	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
1982	warn "reattach";
1983	_global_reattach;	2468	_global_reattach;
		2469	warn "reattaching attachments to maps";
		2470	reattach $_ for values %MAP;
		2471
		2472	warn "loading reloadable resources";
		2473	load_resources;
		2474
		2475	warn "restarting server ticker";
		2476
		2477	$TICK_WATCHER->start;
1984	};	2478	};
1985		2479
1986	if ($@) {	2480	if ($@) {
1987	warn $@;	2481	warn $@;
1988	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
1989	exit 1;	2483	exit 1;
1990	}	2484	}
1991		2485
1992	warn "reloaded successfully";	2486	warn "reloaded";
1993	};	2487	};
1994		2488
1995	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
1996
1997	unless ($LINK_MAP) {
1998	$LINK_MAP = cf::map::new;
1999
2000	$LINK_MAP->width (41);
2001	$LINK_MAP->height (41);
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,
2010	cb => sub {
2011	$_[0]->w->cancel;
2012
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});
2031
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}
2037
2038	register "<global>", __PACKAGE__;
2039		2490
2040	register_command "reload" => sub {	2491	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2042		2493
2043	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2495	$who->message ("reloading server.");
		2496
		2497	# doing reload synchronously and two reloads happen back-to-back,
		2498	# coro crashes during coro_state_free->destroy here.
		2499
		2500	$RELOAD_WATCHER ||= Event->timer (
		2501	reentrant => 0,
		2502	after => 0,
		2503	data => WF_AUTOCANCEL,
		2504	cb => sub {
2045	reload;	2505	reload;
2046	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2047	}	2509	}
2048	};	2510	};
2049		2511
2050	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2051		2515
2052	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2054	prio => 0,	2519	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2057	cb => sub {	2522	cb => sub {
2058	unless ($FREEZE) {	2523	if ($Coro::current != $Coro::main) {
		2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2525	unless ++$bug_warning > 10;
		2526	return;
		2527	}
		2528
		2529	$NOW = Event::time;
		2530
2059	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2533	$NEXT_TICK += $TICK;
		2534
		2535	$WAIT_FOR_TICK->broadcast;
		2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2537
		2538	Event::sweep;
		2539	Coro::cede_notself;
		2540
		2541	# my $AFTER = Event::time;
		2542	# warn $AFTER - $NOW;#d#
2064		2543
2065	# if we are delayed by four ticks or more, skip them all	2544	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2546
2068	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2070	},	2549	},
2071	);	2550	);
2072		2551
		2552	{
		2553	BDB::max_poll_time $TICK * 0.1;
		2554	$BDB_POLL_WATCHER = Event->io (
		2555	reentrant => 0,
		2556	fd => BDB::poll_fileno,
		2557	poll => 'r',
		2558	prio => 0,
		2559	data => WF_AUTOCANCEL,
		2560	cb => \&BDB::poll_cb,
		2561	);
		2562	BDB::min_parallel 8;
		2563
		2564	BDB::set_sync_prepare {
		2565	my $status;
		2566	my $current = $Coro::current;
		2567	(
		2568	sub {
		2569	$status = $!;
		2570	$current->ready; undef $current;
		2571	},
		2572	sub {
		2573	Coro::schedule while defined $current;
		2574	$! = $status;
		2575	},
		2576	)
		2577	};
		2578
		2579	unless ($DB_ENV) {
		2580	$DB_ENV = BDB::db_env_create;
		2581
		2582	cf::sync_job {
		2583	eval {
		2584	BDB::db_env_open
		2585	$DB_ENV,
		2586	$BDB_ENV_DIR,
		2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2589	0666;
		2590
		2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2592
		2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2594	$DB_ENV->set_lk_detect;
		2595	};
		2596
		2597	cf::cleanup "db_env_open(db): $@" if $@;
		2598	};
		2599	}
		2600	}
		2601
		2602	{
		2603	IO::AIO::min_parallel 8;
		2604
		2605	undef $Coro::AIO::WATCHER;
2073	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2074		2607	$AIO_POLL_WATCHER = Event->io (
2075	Event->io (	2608	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2077	poll => 'r',	2610	poll => 'r',
2078	prio => 5,	2611	prio => 6,
2079	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2081	);	2614	);
		2615	}
2082		2616
2083	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2084	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2085	after => 0,	2620	after => 1,
2086	interval => 10,	2621	interval => 10,
2087	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2088	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2089	write_runtime	2624	write_runtime
2090	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2091	})->();
2092	},	2626	},
2093	);	2627	);
2094		2628
		2629	END { cf::emergency_save }
		2630
2095	1	2631	1
2096		2632

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