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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 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 $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
55	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
56		78
57	binmode STDOUT;	79	binmode STDOUT;
58	binmode STDERR;	80	binmode STDERR;
59		81
60	# read virtual server time, if available	82	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	89	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
72		95
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	96	our $EMERGENCY_POSITION;
		97
		98	sub cf::map::normalise;
76		99
77	#############################################################################	100	#############################################################################
78		101
79	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
80		103
…		…
104		127
105	=item %cf::CFG	128	=item %cf::CFG
106		129
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		139
110	=back	140	=back
111		141
112	=cut	142	=cut
113		143
…		…
117	utf8::encode $msg;	147	utf8::encode $msg;
118		148
119	$msg .= "\n"	149	$msg .= "\n"
120	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
121		151
122	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
123	};	153	};
124	}	154	}
125		155
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		175
146	$Event::DIED = sub {	176	$Event::DIED = sub {
147	warn "error in event callback: @_";	177	warn "error in event callback: @_";
148	};	178	};
149		179
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
155		181
156	=over 4	182	=over 4
157		183
		184	=item dumpval $ref
		185
158	=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	}
159		206
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
161		208
162	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
163		210
…		…
179	sub to_json($) {	226	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
182	}	229	}
183		230
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	231	=item cf::lock_wait $string
207		232
208	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
209		234
210	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
211		236
212	Wait until the given lock is available and then acquires it and returns	237	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
215	returned.	240	returned.
216		241
217	Lock names should begin with a unique identifier (for example, cf::map::find	242	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	243	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
238	lock_wait $key;	263	lock_wait $key;
239		264
240	$LOCK{$key} = [];	265	$LOCK{$key} = [];
241		266
242	cf::guard {	267	Coro::guard {
243	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
245	}	270	}
246	}	271	}
247		272
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	273	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	274	return unless $TICK_WATCHER->is_active;
266		275
267	my $guard = guard { $TICK_WATCHER->start };	276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	$WRITE_RUNTIME_WATCHER->start;
		279	};
		280	$WRITE_RUNTIME_WATCHER->stop;
268	$TICK_WATCHER->stop;	281	$TICK_WATCHER->stop;
269	$guard	282	$guard
270	}	283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
271		294
272	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
273		296
274	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
275	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
…		…
294	my $freeze_guard = freeze_mainloop;	317	my $freeze_guard = freeze_mainloop;
295		318
296	my $busy = 1;	319	my $busy = 1;
297	my @res;	320	my @res;
298		321
299	(Coro::async {	322	(async {
300	@res = eval { $job->() };	323	@res = eval { $job->() };
301	warn $@ if $@;	324	warn $@ if $@;
302	undef $busy;	325	undef $busy;
303	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
304		327
305	while ($busy) {	328	while ($busy) {
306	Coro::cede_notself;	329	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	330	}
309		331
310	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
311	} else {	333	} else {
312	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
313		335
314	$job->()	336	$job->()
315	}	337	}
316	}	338	}
317		339
318	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
319		341
320	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
322		344
323	=cut	345	=cut
324		346
325	sub coro(&) {	347	sub async_ext(&) {
326	my $cb = shift;	348	my $cb = shift;
327		349
328	my $coro = &cf::async ($cb);	350	my $coro = &Coro::async ($cb);
329		351
330	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
332	});	354	});
333	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
334		356
335	$coro	357	$coro
336	}	358	}
337		359
338	sub write_runtime {	360	sub write_runtime {
		361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
		362
339	my $runtime = cf::localdir . "/runtime";	363	my $runtime = cf::localdir . "/runtime";
340		364
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	366	or return;
343		367
		368	my $value = $cf::RUNTIME + 90 + 10;
344	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
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	373	and return;
347		374
		375	# always fsync - this file is important
348	aio_fsync $fh	376	aio_fsync $fh
349	and return;	377	and return;
350		378
351	close $fh	379	close $fh
352	or return;	380	or return;
…		…
358	}	386	}
359		387
360	=back	388	=back
361		389
362	=cut	390	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		391
484	#############################################################################	392	#############################################################################
485		393
486	=head2 ATTACHABLE OBJECTS	394	=head2 ATTACHABLE OBJECTS
487		395
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	521	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	522	our @CB_MAP = ();
615		523
616	my %attachment;	524	my %attachment;
617		525
		526	sub cf::attachable::thawer_merge {
		527	# simply override everything except _meta
		528	local $_[0]{_meta};
		529	%{$_[0]} = %{$_[1]};
		530	}
		531
618	sub _attach_cb($$$$) {	532	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	533	my ($registry, $event, $prio, $cb) = @_;
620		534
621	use sort 'stable';	535	use sort 'stable';
622		536
…		…
793	# object support	707	# object support
794		708
795	sub reattach {	709	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	710	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	711	my ($obj) = @_;
		712
		713	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		714
799	my $registry = $obj->registry;	715	my $registry = $obj->registry;
800		716
801	@$registry = ();	717	@$registry = ();
802		718
…		…
849	$filename, length $$rdata, scalar @$objs;	765	$filename, length $$rdata, scalar @$objs;
850		766
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	767	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	768	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	769	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	770	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	771	close $fh;
856		772
857	if (@$objs) {	773	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	775	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	776	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	777	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	778	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	779	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	780	aio_rename "$filename.pst~", "$filename.pst";
865	}	781	}
866	} else {	782	} else {
867	aio_unlink "$filename.pst";	783	aio_unlink "$filename.pst";
…		…
873	}	789	}
874	} else {	790	} else {
875	aio_unlink $filename;	791	aio_unlink $filename;
876	aio_unlink "$filename.pst";	792	aio_unlink "$filename.pst";
877	}	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	}
878	}	800	}
879	}	801	}
880		802
881	sub object_freezer_as_string {	803	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	804	my ($rdata, $objs) = @_;
…		…
888		810
889	sub object_thawer_load {	811	sub object_thawer_load {
890	my ($filename) = @_;	812	my ($filename) = @_;
891		813
892	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$//;
893		818
894	(aio_load $filename, $data) >= 0	819	(aio_load $filename, $data) >= 0
895	or return;	820	or return;
896		821
897	unless (aio_stat "$filename.pst") {	822	unless (aio_stat "$filename.pst") {
…		…
934	=cut	859	=cut
935		860
936	sub register_extcmd {	861	sub register_extcmd {
937	my ($name, $cb) = @_;	862	my ($name, $cb) = @_;
938		863
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	864	$EXTCMD{$name} = $cb;
943	}	865	}
944		866
945	cf::player->attach (	867	cf::player->attach (
946	on_command => sub {	868	on_command => sub {
947	my ($pl, $name, $params) = @_;	869	my ($pl, $name, $params) = @_;
…		…
960		882
961	my $msg = eval { from_json $buf };	883	my $msg = eval { from_json $buf };
962		884
963	if (ref $msg) {	885	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	887	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	888	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	889	}
968	}	890	}
969	} else {	891	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		894
973	cf::override;	895	cf::override;
974	},	896	},
975	);	897	);
976		898
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	899	sub load_extension {
984	my ($path) = @_;	900	my ($path) = @_;
985		901
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	903	my $base = $1;
988	my $pkg = $1;	904	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	905	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	906	$pkg = "ext::$pkg";
991		907
992	warn "loading '$path' into '$pkg'\n";	908	warn "... loading '$path' into '$pkg'\n";
993		909
994	open my $fh, "<:utf8", $path	910	open my $fh, "<:utf8", $path
995	or die "$path: $!";	911	or die "$path: $!";
996		912
997	my $source =	913	my $source =
998	"package $pkg; use strict; use utf8;\n"	914	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	915	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	916	. (do { local $/; <$fh> })
1001	. "\n};\n1";	917	. "\n};\n1";
1002		918
1003	eval $source	919	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	920	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	921	: "extension disabled.\n";
1006		922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	923	warn $@;
1008	$ext_pkg{$base} = $pkg;	924	warn "mandatory extension failed to load, exiting.\n";
1009		925	exit 1;
1010	# no strict 'refs';	926	}
1011	# @{"$pkg\::ISA"} = ext::;	927	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	928	}
1026		929
1027	# remove commands	930	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	931	}
1052		932
1053	sub load_extensions {	933	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	934	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	935	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	939	} or warn "$ext not loaded: $@";
1060	}	940	}
1061	}	941	}
1062		942
1063	#############################################################################	943	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		944
1101	=head2 CORE EXTENSIONS	945	=head2 CORE EXTENSIONS
1102		946
1103	Functions and methods that extend core crossfire objects.	947	Functions and methods that extend core crossfire objects.
1104		948
		949	=cut
		950
		951	package cf::player;
		952
		953	use Coro::AIO;
		954
1105	=head3 cf::player	955	=head3 cf::player
1106		956
1107	=over 4	957	=over 4
1108		958
1109	=item cf::player::exists $login	959	=item cf::player::find $login
1110		960
1111	Returns true when the given account exists.	961	Returns the given player object, loading it if necessary (might block).
1112		962
1113	=cut	963	=cut
1114		964
1115	sub cf::player::exists($) {	965	sub playerdir($) {
1116	cf::player::find $_[0]	966	cf::localdir
1117	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
1118	}	1113	}
1119		1114
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1115	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121		1116
1122	Sends an ext reply to the player.	1117	Sends an ext reply to the player.
1123		1118
1124	=cut	1119	=cut
1125		1120
1126	sub cf::player::ext_reply($$$%) {	1121	sub ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;	1122	my ($self, $id, %msg) = @_;
1128		1123
1129	$msg{msgid} = $id;	1124	$msg{msgid} = $id;
1130		1125
1131	$self->send ("ext " . to_json \%msg);	1126	$self->send ("ext " . cf::to_json \%msg);
1132	}	1127	}
		1128
		1129	package cf;
1133		1130
1134	=back	1131	=back
1135		1132
1136		1133
1137	=head3 cf::map	1134	=head3 cf::map
…		…
1143	package cf::map;	1140	package cf::map;
1144		1141
1145	use Fcntl;	1142	use Fcntl;
1146	use Coro::AIO;	1143	use Coro::AIO;
1147		1144
		1145	use overload
		1146	'""' => \&as_string,
		1147	fallback => 1;
		1148
1148	our $MAX_RESET = 3600;	1149	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1150	our $DEFAULT_RESET = 3000;
1150		1151
1151	sub generate_random_map {	1152	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1153	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1154	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1155	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1156	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1157	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1158	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1159	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1160	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1161	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1162	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1163	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1165	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(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
1168	}	1297	}
1169		1298
1170	# and all this just because we cannot iterate over	1299	# and all this just because we cannot iterate over
1171	# all maps in C++...	1300	# all maps in C++...
1172	sub change_all_map_light {	1301	sub change_all_map_light {
…		…
1174		1303
1175	$_->change_map_light ($change)	1304	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1305	for grep $_->outdoor, values %cf::MAP;
1177	}	1306	}
1178		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
1179	sub try_load_header($) {	1321	sub load_header_from($) {
1180	my ($path) = @_;	1322	my ($self, $path) = @_;
1181		1323
1182	utf8::encode $path;	1324	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1325	#aio_open $path, O_RDONLY, 0
		1326	# or return;
		1327
		1328	$self->_load_header ($path)
1184	or return;	1329	or return;
1185		1330
1186	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
1187	or return;	1374	or return;
		1375	$self->prepare_orig;
		1376	}
1188		1377
1189	$map->load_header ($path)	1378	1
1190	or return;
1191
1192	$map->{load_path} = $path;
1193
1194	$map
1195	}	1379	}
1196		1380
1197	sub find;	1381	sub find;
1198	sub find {	1382	sub find {
1199	my ($path, $origin) = @_;	1383	my ($path, $origin) = @_;
1200		1384
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1385	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1386
1206	cf::lock_wait "map_find:$key";	1387	cf::lock_wait "map_find:$path";
1207		1388
1208	$cf::MAP{$key} || do {	1389	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1390	my $guard = cf::lock_acquire "map_find:$path";
1210		1391	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1392	or return;
1230		1393
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1394	$map->{last_save} = $cf::RUNTIME;
1243		1395
1244	Coro::cede;	1396	$map->load_header
		1397	or return;
1245		1398
1246	if ($map->should_reset) {	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;
1247	$map->reset;	1402	$map->reset;
1248	undef $guard;	1403	undef $guard;
1249	$map = find $path	1404	return find $path;
1250	or return;
1251	}	1405	}
1252		1406
1253	$cf::MAP{$key} = $map	1407	$cf::MAP{$path} = $map
1254	}	1408	}
1255	}	1409	}
		1410
		1411	sub pre_load { }
		1412	sub post_load { }
1256		1413
1257	sub load {	1414	sub load {
1258	my ($self) = @_;	1415	my ($self) = @_;
1259		1416
		1417	local $self->{deny_reset} = 1; # loading can take a long time
		1418
1260	my $path = $self->{path};	1419	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1420	my $guard = cf::lock_acquire "map_load:$path";
1262		1421
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1422	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1423
1265	$self->in_memory (cf::MAP_LOADING);	1424	$self->in_memory (cf::MAP_LOADING);
1266		1425
1267	$self->alloc;	1426	$self->alloc;
		1427
		1428	$self->pre_load;
		1429
1268	$self->load_objects ($self->{load_path}, 1)	1430	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1431	or return;
1270		1432
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1434	if delete $self->{load_original};
1273		1435
1274	if (my $uniq = $path->uniq_path) {	1436	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1437	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1438	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1439	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1440	$self->_load_objects ($uniq, 0);
1279	}	1441	}
1280	}	1442	}
1281		1443
1282	Coro::cede;	1444	Coro::cede;
1283		1445
1284	# now do the right thing for maps	1446	# now do the right thing for maps
1285	$self->link_multipart_objects;	1447	$self->link_multipart_objects;
1286		1448
1287	if ($self->{path}->is_style_map) {	1449	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1450	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1451	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1452	$self->update_buttons;
		1453	Coro::cede;
1294	$self->set_darkness_map;	1454	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1455	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1456	unless $self->difficulty;
		1457	Coro::cede;
1297	$self->activate;	1458	$self->activate;
1298	}	1459	}
1299		1460
1300	Coro::cede;	1461	$self->post_load;
1301		1462
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1463	$self->in_memory (cf::MAP_IN_MEMORY);
		1464	}
		1465
		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	}
1303	}	1497	}
1304		1498
1305	sub find_sync {	1499	sub find_sync {
1306	my ($path, $origin) = @_;	1500	my ($path, $origin) = @_;
1307		1501
1308	cf::sync_job { cf::map::find $path, $origin }	1502	cf::sync_job { find $path, $origin }
1309	}	1503	}
1310		1504
1311	sub do_load_sync {	1505	sub do_load_sync {
1312	my ($map) = @_;	1506	my ($map) = @_;
1313		1507
1314	cf::sync_job { $map->load };	1508	cf::sync_job { $map->load };
1315	}	1509	}
1316		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;
		1529	$map->load;
		1530
		1531	delete $MAP_PREFETCH{$path};
		1532	}
		1533	}
		1534	undef $MAP_PREFETCHER;
		1535	};
		1536	$MAP_PREFETCHER->prio (6);
		1537
		1538	()
		1539	}
		1540
1317	sub save {	1541	sub save {
1318	my ($self) = @_;	1542	my ($self) = @_;
1319		1543
		1544	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1545
1320	$self->{last_save} = $cf::RUNTIME;	1546	$self->{last_save} = $cf::RUNTIME;
1321		1547
1322	return unless $self->dirty;	1548	return unless $self->dirty;
1323		1549
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1551	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1552
1327	$self->{load_path} = $save;	1553	$self->{load_path} = $save;
1328		1554
1329	return if $self->{deny_save};	1555	return if $self->{deny_save};
1330		1556
1331	local $self->{last_access} = $self->last_access;#d#	1557	local $self->{last_access} = $self->last_access;#d#
1332		1558
		1559	cf::async {
		1560	$_->contr->save for $self->players;
		1561	};
		1562
1333	if ($uniq) {	1563	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1564	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1565	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1566	} else {
1337	$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);
1338	}	1568	}
1339	}	1569	}
1340		1570
1341	sub swap_out {	1571	sub swap_out {
1342	my ($self) = @_;	1572	my ($self) = @_;
1343		1573
1344	# save first because save cedes	1574	# save first because save cedes
1345	$self->save;	1575	$self->save;
		1576
		1577	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1578
1347	return if $self->players;	1579	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1580	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1581	return if $self->{deny_save};
1350		1582
…		…
1354		1586
1355	sub reset_at {	1587	sub reset_at {
1356	my ($self) = @_;	1588	my ($self) = @_;
1357		1589
1358	# TODO: safety, remove and allow resettable per-player maps	1590	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1592	return 1e99 if $self->{deny_reset};
1361		1593
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	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;
1364		1596
…		…
1369	my ($self) = @_;	1601	my ($self) = @_;
1370		1602
1371	$self->reset_at <= $cf::RUNTIME	1603	$self->reset_at <= $cf::RUNTIME
1372	}	1604	}
1373		1605
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1606	sub reset {
1396	my ($self) = @_;	1607	my ($self) = @_;
1397		1608
		1609	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1610
1398	return if $self->players;	1611	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1612	return if $self->isa ("ext::map_per_player");#d#
1400		1613
1401	warn "resetting map ", $self->path;#d#	1614	warn "resetting map ", $self->path;#d#
1402		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
1403	delete $cf::MAP{$self->path};	1626	delete $cf::MAP{$self->path};
		1627
		1628	$self->clear;
1404		1629
1405	$_->clear_links_to ($self) for values %cf::MAP;	1630	$_->clear_links_to ($self) for values %cf::MAP;
1406		1631
1407	$self->unlink_save;	1632	$self->unlink_save;
1408	$self->destroy;	1633	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1636	my $nuke_counter = "aaaa";
1412		1637
1413	sub nuke {	1638	sub nuke {
1414	my ($self) = @_;	1639	my ($self) = @_;
1415		1640
		1641	delete $cf::MAP{$self->path};
		1642
		1643	$self->unlink_save;
		1644
		1645	bless $self, "cf::map";
		1646	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1647	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1648	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1649	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1650
		1651	$cf::MAP{$self->path} = $self;
		1652
1419	$self->reset; # polite request, might not happen	1653	$self->reset; # polite request, might not happen
1420	}	1654	}
1421		1655
1422	sub customise_for {	1656	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1657
1425	if ($map->per_player) {	1658	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1659	instantiated unique items. May block.
1427	}
1428		1660
1429	$map	1661	=cut
1430	}
1431		1662
1432	sub emergency_save {	1663	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1665	or return;
1434		1666
1435	warn "enter emergency map save\n";	1667	my @paths;
1436		1668
1437	cf::sync_job {	1669	for (@$files) {
1438	warn "begin emergency map save\n";	1670	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1671	next if /\.pst$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise $_;
1440	};	1675	}
1441		1676
1442	warn "end emergency map save\n";	1677	\@paths
1443	}	1678	}
1444		1679
1445	package cf;	1680	package cf;
1446		1681
1447	=back	1682	=back
1448		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
1449		1710
1450	=head3 cf::object::player	1711	=head3 cf::object::player
1451		1712
1452	=over 4	1713	=over 4
1453		1714
…		…
1493		1754
1494	=item $player_object->enter_link	1755	=item $player_object->enter_link
1495		1756
1496	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}>).
1497		1758
1498	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
1499	I<MUST> call C<leave_link> as soon as possible, though.	1760	I<MUST> call C<leave_link> as soon as possible, though.
1500		1761
		1762	Will never block.
		1763
1501	=item $player_object->leave_link ($map, $x, $y)	1764	=item $player_object->leave_link ($map, $x, $y)
1502		1765
1503	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
1504	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
1505	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
1506	to the emergency map position.	1769	fails, to the emergency map position.
1507		1770
1508	Might block.	1771	Might block.
1509		1772
1510	=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	}
1511		1784
1512	sub cf::object::player::enter_link {	1785	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1786	my ($self) = @_;
1514		1787
1515	$self->deactivate_recursive;	1788	$self->deactivate_recursive;
1516		1789
1517	return if $self->map == $LINK_MAP;	1790	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1791
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1793	if $self->map;
1521		1794
1522	$self->enter_map ($LINK_MAP, 20, 20);	1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1796	}
1524		1797
1525	sub cf::object::player::leave_link {	1798	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1799	my ($self, $map, $x, $y) = @_;
1527		1800
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1818	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1819	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1820	if $x <=0 && $y <= 0;
1548		1821
1549	$map->load;	1822	$map->load;
		1823	$map->load_diag;
1550		1824
		1825	return unless $self->contr->active;
1551	$self->activate_recursive;	1826	$self->activate_recursive;
1552	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1553	}	1828	}
1554		1829
1555	cf::player->attach (	1830	cf::player->attach (
…		…
1568		1843
1569	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1845	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1573	cf::async {	1848	(async {
1574	# we need this sleep as the login has a concurrent enter_exit running	1849	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	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);
1576	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1578	};	1857	})->prio (2);
1579	}	1858	}
1580	},	1859	},
1581	);	1860	);
1582		1861
1583	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1584		1863
1585	=cut	1864	=cut
1586		1865
1587	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1589		1868
1590	$self->enter_link;	1869	$self->enter_link;
1591		1870
1592	(cf::async {	1871	(async {
1593	$path = new cf::path $path;	1872	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1873	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1597		1875	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1599	# if $map;
1600
1601	$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);
1602		1878
1603	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1880	})->prio (1);
1605	}	1881	}
1606		1882
…		…
1610		1886
1611	sub parse_random_map_params {	1887	sub parse_random_map_params {
1612	my ($spec) = @_;	1888	my ($spec) = @_;
1613		1889
1614	my $rmp = { # defaults	1890	my $rmp = { # defaults
1615	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1617	};	1895	};
1618		1896
1619	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1621		1899
…		…
1625	$rmp	1903	$rmp
1626	}	1904	}
1627		1905
1628	sub prepare_random_map {	1906	sub prepare_random_map {
1629	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1910
1631	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1913	# that depends on the exit object
1634		1914
1635	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1636		1916
1637	if ($exit->map) {	1917	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1642	}	1922	}
1643		1923
1644	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1645		1925
1646	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1929
1649	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) {
1650	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;
1651		1934
1652	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1936	$exit->msg (undef);
1654	}	1937	}
1655	}	1938	}
…		…
1657	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1659		1942
1660	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1661		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
1662	$self->enter_link;	1954	$self->enter_link;
1663		1955
1664	(cf::async {	1956	(async {
1665	$self->deactivate_recursive; # just to be sure	1957	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	1958	unless (eval {
1667	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		1960
1673	1;	1961	1;
1674	}) {	1962	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "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. "
1677	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1679		1967
1680	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	1969	$self->leave_link;
1682	}	1970	}
…		…
1737	# get handled first	2025	# get handled first
1738	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2028
1741	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2031
1743	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1744		2033
1745	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2035	if (@$queue) {
…		…
1750	}	2039	}
1751	}	2040	}
1752	},	2041	},
1753	);	2042	);
1754		2043
1755	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1756		2045
1757	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1758	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,
1759	or loss of connection).	2048	or loss of connection).
1760		2049
1761	=cut	2050	=cut
1762		2051
1763	sub cf::client::coro {	2052	sub cf::client::async {
1764	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1765		2054
1766	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1767		2056
1768	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1770	});	2059	});
1771		2060
…		…
1907	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
1908	using it, it should be unique.	2197	using it, it should be unique.
1909		2198
1910	=over 4	2199	=over 4
1911		2200
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1919		2202
1920	Returns a single value from the database	2203	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2204
1927	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1928		2206
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2208
1940	=cut	2209	=cut
1941		2210
1942	our $DB;	2211	our $DB;
1943		2212
1944	{	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
1945	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;
1946		2232
1947	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2237
1951	my $pid;	2238	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2239	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2240	}
1999	);	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 { };
2000	}	2258	}
2001		2259
2002	#############################################################################	2260	#############################################################################
2003	# 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	}
2004		2267
2005	sub cfg_load {	2268	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2269	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2270	or return;
2008		2271
2009	local $/;	2272	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2273	*CFG = YAML::Syck::Load <$fh>;
2011		2274
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2275	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		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
2014	if (exists $CFG{mlockall}) {	2280	if (exists $CFG{mlockall}) {
2015	eval {	2281	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2283	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2284	};
2019	warn $@ if $@;	2285	warn $@ if $@;
2020	}	2286	}
		2287	}
		2288
		2289	sub init {
		2290	load_resources;
2021	}	2291	}
2022		2292
2023	sub main {	2293	sub main {
2024	# we must not ever block the main coroutine	2294	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2295	local $Coro::idle = sub {
2026	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#
2027	(Coro::unblock_sub {	2297	(async {
2028	Event::one_event;	2298	Event::one_event;
2029	})->();	2299	})->prio (Coro::PRIO_MAX);
2030	};	2300	};
2031		2301
2032	cfg_load;	2302	cfg_load;
2033	db_load;	2303	db_init;
2034	load_extensions;	2304	load_extensions;
		2305
		2306	$TICK_WATCHER->start;
2035	Event::loop;	2307	Event::loop;
2036	}	2308	}
2037		2309
2038	#############################################################################	2310	#############################################################################
2039	# 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 $make_core;
		2366	}
2040		2367
2041	sub reload() {	2368	sub reload() {
2042	# can/must only be called in main	2369	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2370	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2371	warn "can only reload from main coroutine";
2045	return;	2372	return;
2046	}	2373	}
2047		2374
2048	warn "reloading...";	2375	warn "reloading...";
2049		2376
2050	my $guard = freeze_mainloop;	2377	warn "cancelling server ticker";
		2378	$TICK_WATCHER->cancel;
		2379
2051	cf::emergency_save;	2380	cf::emergency_save;
2052		2381
2053	eval {	2382	eval {
2054	# 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
2055		2384
2056	# cancel all watchers	2385	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2386	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2388	}
2060		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
2061	# cancel all extension coros	2402	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2403	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2404	%EXT_CORO = ();
2064		2405
2065	# unload all extensions	2406	warn "removing commands";
2066	for (@exts) {	2407	%COMMAND = ();
		2408
		2409	warn "removing ext commands";
		2410	%EXTCMD = ();
		2411
		2412	warn "unloading/nuking all extensions";
		2413	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2414	warn "... unloading $pkg";
2068	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: $@";
2069	}	2421	}
2070		2422
		2423	warn "... nuking $pkg";
		2424	Symbol::delete_package $pkg;
		2425	}
		2426
2071	# unload all modules loaded from $LIBDIR	2427	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2428	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2430
2075	warn "removing <$k>";	2431	warn "... unloading $k";
2076	delete $INC{$k};	2432	delete $INC{$k};
2077		2433
2078	$k =~ s/\.pm$//;	2434	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2435	$k =~ s/\//::/g;
2080		2436
…		…
2083	}	2439	}
2084		2440
2085	Symbol::delete_package $k;	2441	Symbol::delete_package $k;
2086	}	2442	}
2087		2443
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2444	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2445	Symbol::delete_package "safe::$_"
2094	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);
2095		2447
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2448	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2449	delete $INC{"cf.pm"};
2101		2450
2102	# don't, removes xs symbols, too,	2451	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2452	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2453	#Symbol::delete_package __PACKAGE__;
2105		2454
2106	# reload cf.pm	2455	warn "unload completed, starting to reload now";
		2456
2107	warn "reloading cf.pm";	2457	warn "reloading cf.pm";
2108	require cf;	2458	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2460
2111	# load config and database again	2461	warn "loading config and database again";
2112	cf::cfg_load;	2462	cf::cfg_load;
2113	cf::db_load;
2114		2463
2115	# load extensions
2116	warn "load extensions";	2464	warn "loading extensions";
2117	cf::load_extensions;	2465	cf::load_extensions;
2118		2466
2119	# reattach attachments to objects	2467	warn "reattaching attachments to objects/players";
2120	warn "reattach";
2121	_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	$TICK_WATCHER->start;
2122	};	2478	};
2123		2479
2124	if ($@) {	2480	if ($@) {
2125	warn $@;	2481	warn $@;
2126	warn "error while reloading, exiting.";	2482	warn "error while reloading, exiting.";
2127	exit 1;	2483	exit 1;
2128	}	2484	}
2129		2485
2130	warn "reloaded successfully";	2486	warn "reloaded";
2131	};	2487	};
2132		2488
2133	#############################################################################	2489	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2490
2178	register_command "reload" => sub {	2491	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2492	my ($who, $arg) = @_;
2180		2493
2181	if ($who->flag (FLAG_WIZ)) {	2494	if ($who->flag (FLAG_WIZ)) {
2182	$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 {
2183	reload;	2505	reload;
2184	$who->message ("end of reload.");	2506	undef $RELOAD_WATCHER;
		2507	},
		2508	);
2185	}	2509	}
2186	};	2510	};
2187		2511
2188	unshift @INC, $LIBDIR;	2512	unshift @INC, $LIBDIR;
		2513
		2514	my $bug_warning = 0;
2189		2515
2190	$TICK_WATCHER = Event->timer (	2516	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2517	reentrant => 0,
		2518	parked => 1,
2192	prio => 0,	2519	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2520	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2521	data => WF_AUTOCANCEL,
2195	cb => sub {	2522	cb => sub {
		2523	if ($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
2196	cf::server_tick; # one server iteration	2531	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2532	$RUNTIME += $TICK;
2198	$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#
2199		2543
2200	# 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
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2546
2203	$TICK_WATCHER->at ($NEXT_TICK);	2547	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2548	$TICK_WATCHER->start;
2205	},	2549	},
2206	);	2550	);
2207		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;
2208	IO::AIO::max_poll_time $TICK * 0.2;	2606	IO::AIO::max_poll_time $TICK * 0.1;
2209		2607	$AIO_POLL_WATCHER = Event->io (
2210	Event->io (	2608	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2609	fd => IO::AIO::poll_fileno,
2212	poll => 'r',	2610	poll => 'r',
2213	prio => 5,	2611	prio => 6,
2214	data => WF_AUTOCANCEL,	2612	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,	2613	cb => \&IO::AIO::poll_cb,
2216	);	2614	);
		2615	}
2217		2616
2218	Event->timer (	2617	$WRITE_RUNTIME_WATCHER = Event->timer (
		2618	reentrant => 0,
2219	data => WF_AUTOCANCEL,	2619	data => WF_AUTOCANCEL,
2220	after => 0,	2620	after => 1,
2221	interval => 10,	2621	interval => 10,
2222	cb => sub {	2622	prio => 6, # keep it lowest so it acts like a watchdog
2223	(Coro::unblock_sub {	2623	cb => Coro::unblock_sub {
2224	write_runtime	2624	write_runtime
2225	or warn "ERROR: unable to write runtime file: $!";	2625	or warn "ERROR: unable to write runtime file: $!";
2226	})->();
2227	},	2626	},
2228	);	2627	);
2229		2628
2230	END { cf::emergency_save }	2629	END { cf::emergency_save }
2231		2630

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