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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.209 by root, Mon Feb 12 01:25:55 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 $json
165		210
…		…
181	sub to_json($) {	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	}
185		230
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	231	=item cf::lock_wait $string
209		232
210	Wait until the given lock is available. See cf::lock_acquire.	233	Wait until the given lock is available. See cf::lock_acquire.
211		234
212	=item my $lock = cf::lock_acquire $string	235	=item my $lock = cf::lock_acquire $string
213		236
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	239	for example when the coroutine gets canceled), the lock is automatically
217	returned.	240	returned.
218		241
219	Lock names should begin with a unique identifier (for example, find_map	242	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	243	uses map_find and cf::map::load uses map_load).
221		244
222	=cut	245	=cut
223		246
224	our %LOCK;	247	our %LOCK;
225		248
…		…
239	# wait, to be sure we are not locked	262	# wait, to be sure we are not locked
240	lock_wait $key;	263	lock_wait $key;
241		264
242	$LOCK{$key} = [];	265	$LOCK{$key} = [];
243		266
244	cf::guard {	267	Coro::guard {
245	# wake up all waiters, to be on the safe side	268	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	269	$_->ready for @{ delete $LOCK{$key} };
247	}	270	}
248	}	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	$guard
		283	}
		284
		285	=item cf::async { BLOCK }
		286
		287	Currently the same as Coro::async_pool, meaning you cannot use
		288	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		289	thing you are allowed to do is call C<prio> on it.
		290
		291	=cut
		292
		293	BEGIN { *async = \&Coro::async_pool }
249		294
250	=item cf::sync_job { BLOCK }	295	=item cf::sync_job { BLOCK }
251		296
252	The design of crossfire+ requires that the main coro ($Coro::main) is	297	The design of crossfire+ requires that the main coro ($Coro::main) is
253	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
…		…
267	# this is the main coro, too bad, we have to block	312	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	313	# till the operation succeeds, freezing the server :/
269		314
270	# TODO: use suspend/resume instead	315	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	316	# (but this is cancel-safe)
272	local $FREEZE = 1;	317	my $freeze_guard = freeze_mainloop;
273		318
274	my $busy = 1;	319	my $busy = 1;
275	my @res;	320	my @res;
276		321
277	(Coro::async {	322	(async {
278	@res = eval { $job->() };	323	@res = eval { $job->() };
279	warn $@ if $@;	324	warn $@ if $@;
280	undef $busy;	325	undef $busy;
281	})->prio (Coro::PRIO_MAX);	326	})->prio (Coro::PRIO_MAX);
282		327
283	while ($busy) {	328	while ($busy) {
284	Coro::cede_notself;	329	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	330	}
287		331
288	wantarray ? @res : $res[0]	332	wantarray ? @res : $res[0]
289	} else {	333	} else {
290	# we are in another coroutine, how wonderful, everything just works	334	# we are in another coroutine, how wonderful, everything just works
291		335
292	$job->()	336	$job->()
293	}	337	}
294	}	338	}
295		339
296	=item $coro = cf::coro { BLOCK }	340	=item $coro = cf::async_ext { BLOCK }
297		341
298	Creates and returns a new coro. This coro is automcatially being canceled	342	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	343	extension calling this is being unloaded.
300		344
301	=cut	345	=cut
302		346
303	sub coro(&) {	347	sub async_ext(&) {
304	my $cb = shift;	348	my $cb = shift;
305		349
306	my $coro; $coro = async {	350	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		351
313	$coro->on_destroy (sub {	352	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	353	delete $EXT_CORO{$coro+0};
315	});	354	});
316	$EXT_CORO{$coro+0} = $coro;	355	$EXT_CORO{$coro+0} = $coro;
…		…
322	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
323		362
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
325	or return;	364	or return;
326		365
		366	my $value = $cf::RUNTIME + 90 + 10;
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;	371	and return;
330		372
		373	# always fsync - this file is important
331	aio_fsync $fh	374	aio_fsync $fh
332	and return;	375	and return;
333		376
334	close $fh	377	close $fh
335	or return;	378	or return;
…		…
341	}	384	}
342		385
343	=back	386	=back
344		387
345	=cut	388	=cut
346
347	#############################################################################
348
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466		389
467	#############################################################################	390	#############################################################################
468		391
469	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
470		393
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	520	our @CB_MAP = ();
598		521
599	my %attachment;	522	my %attachment;
600		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
601	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
603		532
604	use sort 'stable';	533	use sort 'stable';
605		534
…		…
776	# object support	705	# object support
777		706
778	sub reattach {	707	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		712
782	my $registry = $obj->registry;	713	my $registry = $obj->registry;
783		714
784	@$registry = ();	715	@$registry = ();
785		716
…		…
832	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
833		764
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
837	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
838	close $fh;	769	close $fh;
839		770
840	if (@$objs) {	771	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
845	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
846	close $fh;	777	close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
848	}	779	}
849	} else {	780	} else {
850	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
856	}	787	}
857	} else {	788	} else {
858	aio_unlink $filename;	789	aio_unlink $filename;
859	aio_unlink "$filename.pst";	790	aio_unlink "$filename.pst";
860	}	791	}
		792
		793	#d##TODO# nuke non .map-files if exist
		794	if ($filename =~ s/\.map$//) {
		795	aio_unlink $filename;
		796	aio_unlink "$filename.pst";
		797	}
861	}	798	}
862	}	799	}
863		800
864	sub object_freezer_as_string {	801	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	802	my ($rdata, $objs) = @_;
…		…
871		808
872	sub object_thawer_load {	809	sub object_thawer_load {
873	my ($filename) = @_;	810	my ($filename) = @_;
874		811
875	my ($data, $av);	812	my ($data, $av);
		813
		814	#d#TODO remove .map if file does not exist
		815	aio_stat $filename and $filename =~ s/\.map$//;
876		816
877	(aio_load $filename, $data) >= 0	817	(aio_load $filename, $data) >= 0
878	or return;	818	or return;
879		819
880	unless (aio_stat "$filename.pst") {	820	unless (aio_stat "$filename.pst") {
…		…
917	=cut	857	=cut
918		858
919	sub register_extcmd {	859	sub register_extcmd {
920	my ($name, $cb) = @_;	860	my ($name, $cb) = @_;
921		861
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	862	$EXTCMD{$name} = $cb;
926	}	863	}
927		864
928	cf::player->attach (	865	cf::player->attach (
929	on_command => sub {	866	on_command => sub {
930	my ($pl, $name, $params) = @_;	867	my ($pl, $name, $params) = @_;
…		…
943		880
944	my $msg = eval { from_json $buf };	881	my $msg = eval { from_json $buf };
945		882
946	if (ref $msg) {	883	if (ref $msg) {
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	885	if (my %reply = $cb->($pl, $msg)) {
949	$pl->ext_reply ($msg->{msgid}, %reply);	886	$pl->ext_reply ($msg->{msgid}, %reply);
950	}	887	}
951	}	888	}
952	} else {	889	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
955		892
956	cf::override;	893	cf::override;
957	},	894	},
958	);	895	);
959		896
960	sub register {
961	my ($base, $pkg) = @_;
962
963	#TODO
964	}
965
966	sub load_extension {	897	sub load_extension {
967	my ($path) = @_;	898	my ($path) = @_;
968		899
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
970	my $base = $1;	901	my $base = $1;
971	my $pkg = $1;	902	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;	903	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";	904	$pkg = "ext::$pkg";
974		905
975	warn "loading '$path' into '$pkg'\n";	906	warn "... loading '$path' into '$pkg'\n";
976		907
977	open my $fh, "<:utf8", $path	908	open my $fh, "<:utf8", $path
978	or die "$path: $!";	909	or die "$path: $!";
979		910
980	my $source =	911	my $source =
981	"package $pkg; use strict; use utf8;\n"	912	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"	913	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })	914	. (do { local $/; <$fh> })
984	. "\n};\n1";	915	. "\n};\n1";
985		916
986	eval $source	917	unless (eval $source) {
987	or die $@ ? "$path: $@\n"	918	my $msg = $@ ? "$path: $@\n"
988	: "extension disabled.\n";	919	: "extension disabled.\n";
989		920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
990	push @exts, $pkg;	921	warn $@;
991	$ext_pkg{$base} = $pkg;	922	warn "mandatory extension failed to load, exiting.\n";
992		923	exit 1;
993	# no strict 'refs';	924	}
994	# @{"$pkg\::ISA"} = ext::;	925	die $@;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	926	}
1009		927
1010	# remove commands	928	push @EXTS, $pkg;
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}	929	}
1035		930
1036	sub load_extensions {	931	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {	932	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;	933	next unless -r $ext;
…		…
1042	} or warn "$ext not loaded: $@";	937	} or warn "$ext not loaded: $@";
1043	}	938	}
1044	}	939	}
1045		940
1046	#############################################################################	941	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083		942
1084	=head2 CORE EXTENSIONS	943	=head2 CORE EXTENSIONS
1085		944
1086	Functions and methods that extend core crossfire objects.	945	Functions and methods that extend core crossfire objects.
1087		946
		947	=cut
		948
		949	package cf::player;
		950
		951	use Coro::AIO;
		952
1088	=head3 cf::player	953	=head3 cf::player
1089		954
1090	=over 4	955	=over 4
1091		956
1092	=item cf::player::exists $login	957	=item cf::player::find $login
1093		958
1094	Returns true when the given account exists.	959	Returns the given player object, loading it if necessary (might block).
1095		960
1096	=cut	961	=cut
1097		962
1098	sub cf::player::exists($) {	963	sub playerdir($) {
1099	cf::player::find $_[0]	964	cf::localdir
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	965	. "/"
		966	. cf::playerdir
		967	. "/"
		968	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		969	}
		970
		971	sub path($) {
		972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		973
		974	(playerdir $login) . "/$login.pl"
		975	}
		976
		977	sub find_active($) {
		978	$cf::PLAYER{$_[0]}
		979	and $cf::PLAYER{$_[0]}->active
		980	and $cf::PLAYER{$_[0]}
		981	}
		982
		983	sub exists($) {
		984	my ($login) = @_;
		985
		986	$cf::PLAYER{$login}
		987	or cf::sync_job { !aio_stat path $login }
		988	}
		989
		990	sub find($) {
		991	return $cf::PLAYER{$_[0]} || do {
		992	my $login = $_[0];
		993
		994	my $guard = cf::lock_acquire "user_find:$login";
		995
		996	$cf::PLAYER{$_[0]} || do {
		997	my $pl = load_pl path $login
		998	or return;
		999	$cf::PLAYER{$login} = $pl
		1000	}
		1001	}
		1002	}
		1003
		1004	sub save($) {
		1005	my ($pl) = @_;
		1006
		1007	return if $pl->{deny_save};
		1008
		1009	my $path = path $pl;
		1010	my $guard = cf::lock_acquire "user_save:$path";
		1011
		1012	return if $pl->{deny_save};
		1013
		1014	aio_mkdir playerdir $pl, 0770;
		1015	$pl->{last_save} = $cf::RUNTIME;
		1016
		1017	$pl->save_pl ($path);
		1018	Coro::cede;
		1019	}
		1020
		1021	sub new($) {
		1022	my ($login) = @_;
		1023
		1024	my $self = create;
		1025
		1026	$self->ob->name ($login);
		1027	$self->{deny_save} = 1;
		1028
		1029	$cf::PLAYER{$login} = $self;
		1030
		1031	$self
		1032	}
		1033
		1034	=item $pl->quit_character
		1035
		1036	Nukes the player without looking back. If logged in, the connection will
		1037	be destroyed. May block for a long time.
		1038
		1039	=cut
		1040
		1041	sub quit_character {
		1042	my ($pl) = @_;
		1043
		1044	$pl->{deny_save} = 1;
		1045	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1046
		1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1048	$pl->deactivate;
		1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1050	$pl->ns->destroy if $pl->ns;
		1051
		1052	my $path = playerdir $pl;
		1053	my $temp = "$path~$cf::RUNTIME~deleting~";
		1054	aio_rename $path, $temp;
		1055	delete $cf::PLAYER{$pl->ob->name};
		1056	$pl->destroy;
		1057	IO::AIO::aio_rmtree $temp;
		1058	}
		1059
		1060	=item cf::player::list_logins
		1061
		1062	Returns am arrayref of all valid playernames in the system, can take a
		1063	while and may block, so not sync_job-capable, ever.
		1064
		1065	=cut
		1066
		1067	sub list_logins {
		1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1069	or return [];
		1070
		1071	my @logins;
		1072
		1073	for my $login (@$dirs) {
		1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1075	aio_read $fh, 0, 512, my $buf, 0 or next;
		1076	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1077
		1078	utf8::decode $login;
		1079	push @logins, $login;
		1080	}
		1081
		1082	\@logins
		1083	}
		1084
		1085	=item $player->maps
		1086
		1087	Returns an arrayref of map paths that are private for this
		1088	player. May block.
		1089
		1090	=cut
		1091
		1092	sub maps($) {
		1093	my ($pl) = @_;
		1094
		1095	$pl = ref $pl ? $pl->ob->name : $pl;
		1096
		1097	my $files = aio_readdir playerdir $pl
		1098	or return;
		1099
		1100	my @paths;
		1101
		1102	for (@$files) {
		1103	utf8::decode $_;
		1104	next if /\.(?:pl|pst)$/;
		1105	next unless /^$PATH_SEP/o;
		1106
		1107	push @paths, cf::map::normalise "~$pl/$_";
		1108	}
		1109
		1110	\@paths
1101	}	1111	}
1102		1112
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)	1113	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104		1114
1105	Sends an ext reply to the player.	1115	Sends an ext reply to the player.
1106		1116
1107	=cut	1117	=cut
1108		1118
1109	sub cf::player::ext_reply($$$%) {	1119	sub ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;	1120	my ($self, $id, %msg) = @_;
1111		1121
1112	$msg{msgid} = $id;	1122	$msg{msgid} = $id;
1113		1123
1114	$self->send ("ext " . to_json \%msg);	1124	$self->send ("ext " . cf::to_json \%msg);
1115	}	1125	}
		1126
		1127	package cf;
1116		1128
1117	=back	1129	=back
1118		1130
1119		1131
1120	=head3 cf::map	1132	=head3 cf::map
…		…
1126	package cf::map;	1138	package cf::map;
1127		1139
1128	use Fcntl;	1140	use Fcntl;
1129	use Coro::AIO;	1141	use Coro::AIO;
1130		1142
		1143	use overload
		1144	'""' => \&as_string,
		1145	fallback => 1;
		1146
1131	our $MAX_RESET = 7200;	1147	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1148	our $DEFAULT_RESET = 3000;
1133		1149
1134	sub generate_random_map {	1150	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1151	my ($self, $rmp) = @_;
1136
1137	# mit "rum" bekleckern, nicht	1152	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1153	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1157	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1158	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1159	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1160	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1161	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1162	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1163	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1164	(cf::region::find $rmp->{region}), $rmp->{custom}
		1165	)
		1166	}
		1167
		1168	=item cf::map->register ($regex, $prio)
		1169
		1170	Register a handler for the map path matching the given regex at the
		1171	givne priority (higher is better, built-in handlers have priority 0, the
		1172	default).
		1173
		1174	=cut
		1175
		1176	sub register {
		1177	my (undef, $regex, $prio) = @_;
		1178	my $pkg = caller;
		1179
		1180	no strict;
		1181	push @{"$pkg\::ISA"}, __PACKAGE__;
		1182
		1183	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1184	}
		1185
		1186	# also paths starting with '/'
		1187	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1188
		1189	sub thawer_merge {
		1190	my ($self, $merge) = @_;
		1191
		1192	# we have to keep some variables in memory intact
		1193	local $self->{path};
		1194	local $self->{load_path};
		1195	local $self->{deny_save};
		1196	local $self->{deny_reset};
		1197
		1198	$self->SUPER::thawer_merge ($merge);
		1199	}
		1200
		1201	sub normalise {
		1202	my ($path, $base) = @_;
		1203
		1204	$path = "$path"; # make sure its a string
		1205
		1206	$path =~ s/\.map$//;
		1207
		1208	# map plan:
		1209	#
		1210	# /! non-realised random map exit (special hack!)
		1211	# {... are special paths that are not being touched
		1212	# ?xxx/... are special absolute paths
		1213	# ?random/... random maps
		1214	# /... normal maps
		1215	# ~user/... per-player map of a specific user
		1216
		1217	$path =~ s/$PATH_SEP/\//go;
		1218
		1219	# treat it as relative path if it starts with
		1220	# something that looks reasonable
		1221	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1222	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1223
		1224	$base =~ s{[^/]+/?$}{};
		1225	$path = "$base/$path";
		1226	}
		1227
		1228	for ($path) {
		1229	redo if s{//}{/};
		1230	redo if s{/\.?/}{/};
		1231	redo if s{/[^/]+/\.\./}{/};
		1232	}
		1233
		1234	$path
		1235	}
		1236
		1237	sub new_from_path {
		1238	my (undef, $path, $base) = @_;
		1239
		1240	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1241
		1242	$path = normalise $path, $base;
		1243
		1244	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1245	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1246	my $self = bless cf::map::new, $pkg;
		1247	$self->{path} = $path; $self->path ($path);
		1248	$self->init; # pass $1 etc.
		1249	return $self;
		1250	}
		1251	}
		1252
		1253	Carp::carp "unable to resolve path '$path' (base '$base').";
		1254	()
		1255	}
		1256
		1257	sub init {
		1258	my ($self) = @_;
		1259
		1260	$self
		1261	}
		1262
		1263	sub as_string {
		1264	my ($self) = @_;
		1265
		1266	"$self->{path}"
		1267	}
		1268
		1269	# the displayed name, this is a one way mapping
		1270	sub visible_name {
		1271	&as_string
		1272	}
		1273
		1274	# the original (read-only) location
		1275	sub load_path {
		1276	my ($self) = @_;
		1277
		1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1279	}
		1280
		1281	# the temporary/swap location
		1282	sub save_path {
		1283	my ($self) = @_;
		1284
		1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1287	}
		1288
		1289	# the unique path, undef == no special unique path
		1290	sub uniq_path {
		1291	my ($self) = @_;
		1292
		1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1151	}	1295	}
1152		1296
1153	# and all this just because we cannot iterate over	1297	# and all this just because we cannot iterate over
1154	# all maps in C++...	1298	# all maps in C++...
1155	sub change_all_map_light {	1299	sub change_all_map_light {
1156	my ($change) = @_;	1300	my ($change) = @_;
1157		1301
1158	$_->change_map_light ($change) for values %cf::MAP;	1302	$_->change_map_light ($change)
		1303	for grep $_->outdoor, values %cf::MAP;
1159	}	1304	}
1160		1305
		1306	sub unlink_save {
		1307	my ($self) = @_;
		1308
		1309	utf8::encode (my $save = $self->save_path);
		1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1312
		1313	#d#TODO remove .map and also nuke
		1314	$save =~ s/\.map// or return;#d#
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
		1317	}
		1318
1161	sub try_load_header($) {	1319	sub load_header_from($) {
1162	my ($path) = @_;	1320	my ($self, $path) = @_;
1163		1321
1164	utf8::encode $path;	1322	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1166	or return;	1327	or return;
1167		1328
1168	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1169	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1170		1375
1171	$map->load_header ($path)	1376	1
1172	or return;
1173
1174	$map->{load_path} = $path;
1175
1176	$map
1177	}	1377	}
1178		1378
		1379	sub find;
1179	sub find_map {	1380	sub find {
1180	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1181		1382
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1384
1187	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1188		1386
1189	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1191		1389	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1390	or return;
1207		1391
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1393
1221	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1222	$map->reset;	1400	$map->reset;
1223	$map = find_map $path;	1401	undef $guard;
		1402	return find $path;
1224	}	1403	}
1225		1404
1226	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1227	}	1406	}
1228	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1229		1411
1230	sub load {	1412	sub load {
1231	my ($self) = @_;	1413	my ($self) = @_;
1232		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1233	my $path = $self->{path};	1417	my $path = $self->{path};
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1235		1419
1236	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1237		1421
1238	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1239		1423
1240	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1241	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1242	or return;	1429	or return;
1243		1430
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1245	if delete $self->{load_original};	1432	if delete $self->{load_original};
1246		1433
1247	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	1435	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1250	$self->clear_unique_items;	1437	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1252	}	1439	}
1253	}	1440	}
		1441
		1442	Coro::cede;
1254		1443
1255	# now do the right thing for maps	1444	# now do the right thing for maps
1256	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1257		1446
1258	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1259	$self->{deny_save} = 1;	1448	$self->decay_objects;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1265	$self->set_darkness_map;	1452	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1268	$self->activate;	1456	$self->activate;
1269	}	1457	}
1270		1458
		1459	$self->post_load;
		1460
1271	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1272	}	1462	}
1273		1463
1274	sub load_map_sync {	1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
		1495	}
		1496
		1497	sub find_sync {
1275	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1276		1499
1277	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1278		1502
1279	cf::sync_job {	1503	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1281	or return;	1505
		1506	cf::sync_job { $map->load };
		1507	}
		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
1282	$map->load;	1527	$map->load;
1283	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1284	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1285	}	1537	}
1286		1538
1287	sub save {	1539	sub save {
1288	my ($self) = @_;	1540	my ($self) = @_;
1289		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1290	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1291		1545
1292	return unless $self->dirty;	1546	return unless $self->dirty;
1293		1547
1294	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		1550
1297	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1298		1552
1299	return if $self->{deny_save};	1553	return if $self->{deny_save};
1300		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1301	if ($uniq) {	1561	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	1564	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	1566	}
1307	}	1567	}
1308		1568
1309	sub swap_out {	1569	sub swap_out {
1310	my ($self) = @_;	1570	my ($self) = @_;
		1571
		1572	# save first because save cedes
		1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1311		1576
1312	return if $self->players;	1577	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1314	return if $self->{deny_save};	1579	return if $self->{deny_save};
1315		1580
1316	$self->save;
1317	$self->clear;	1581	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1319	}	1583	}
1320		1584
1321	sub reset_at {	1585	sub reset_at {
1322	my ($self) = @_;	1586	my ($self) = @_;
1323		1587
1324	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1326	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1327		1591
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		1594
…		…
1335	my ($self) = @_;	1599	my ($self) = @_;
1336		1600
1337	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1338	}	1602	}
1339		1603
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	1604	sub reset {
1362	my ($self) = @_;	1605	my ($self) = @_;
1363		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1364	return if $self->players;	1609	return if $self->players;
1365	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1366		1611
1367	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1368		1613
1369	delete $cf::MAP{$self->path};	1614	delete $cf::MAP{$self->path};
		1615
		1616	$self->in_memory (cf::MAP_SWAPPED);
		1617	$self->clear;
1370		1618
1371	$_->clear_links_to ($self) for values %cf::MAP;	1619	$_->clear_links_to ($self) for values %cf::MAP;
1372		1620
1373	$self->unlink_save;	1621	$self->unlink_save;
1374	$self->destroy;	1622	$self->destroy;
…		…
1377	my $nuke_counter = "aaaa";	1625	my $nuke_counter = "aaaa";
1378		1626
1379	sub nuke {	1627	sub nuke {
1380	my ($self) = @_;	1628	my ($self) = @_;
1381		1629
		1630	delete $cf::MAP{$self->path};
		1631
		1632	$self->unlink_save;
		1633
		1634	bless $self, "cf::map";
		1635	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	1636	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	1637	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1639
		1640	$cf::MAP{$self->path} = $self;
		1641
1385	$self->reset; # polite request, might not happen	1642	$self->reset; # polite request, might not happen
1386	}	1643	}
1387		1644
1388	sub customise_for {	1645	=item cf::map::unique_maps
1389	my ($map, $ob) = @_;
1390		1646
1391	if ($map->per_player) {	1647	Returns an arrayref of paths of all shared maps that have
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1648	instantiated unique items. May block.
1393	}
1394		1649
1395	$map	1650	=cut
1396	}
1397		1651
1398	sub emergency_save {	1652	sub unique_maps() {
1399	local $cf::FREEZE = 1;	1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1654	or return;
1400		1655
1401	warn "enter emergency map save\n";	1656	my @paths;
1402		1657
1403	cf::sync_job {	1658	for (@$files) {
1404	warn "begin emergency map save\n";	1659	utf8::decode $_;
1405	$_->save for values %cf::MAP;	1660	next if /\.pst$/;
		1661	next unless /^$PATH_SEP/o;
		1662
		1663	push @paths, cf::map::normalise $_;
1406	};	1664	}
1407		1665
1408	warn "end emergency map save\n";	1666	\@paths
1409	}	1667	}
1410		1668
1411	package cf;	1669	package cf;
1412		1670
1413	=back	1671	=back
1414		1672
		1673	=head3 cf::object
		1674
		1675	=cut
		1676
		1677	package cf::object;
		1678
		1679	=over 4
		1680
		1681	=item $ob->inv_recursive
		1682
		1683	Returns the inventory of the object _and_ their inventories, recursively.
		1684
		1685	=cut
		1686
		1687	sub inv_recursive_;
		1688	sub inv_recursive_ {
		1689	map { $_, inv_recursive_ $_->inv } @_
		1690	}
		1691
		1692	sub inv_recursive {
		1693	inv_recursive_ inv $_[0]
		1694	}
		1695
		1696	package cf;
		1697
		1698	=back
1415		1699
1416	=head3 cf::object::player	1700	=head3 cf::object::player
1417		1701
1418	=over 4	1702	=over 4
1419		1703
…		…
1459		1743
1460	=item $player_object->enter_link	1744	=item $player_object->enter_link
1461		1745
1462	Freezes the player and moves him/her to a special map (C<{link}>).	1746	Freezes the player and moves him/her to a special map (C<{link}>).
1463		1747
1464	The player should be reaosnably safe there for short amounts of time. You	1748	The player should be reasonably safe there for short amounts of time. You
1465	I<MUST> call C<leave_link> as soon as possible, though.	1749	I<MUST> call C<leave_link> as soon as possible, though.
1466		1750
		1751	Will never block.
		1752
1467	=item $player_object->leave_link ($map, $x, $y)	1753	=item $player_object->leave_link ($map, $x, $y)
1468		1754
1469	Moves the player out of the specila link map onto the given map. If the	1755	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	1756	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	1757	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	1758	fails, to the emergency map position.
1473		1759
1474	Might block.	1760	Might block.
1475		1761
1476	=cut	1762	=cut
		1763
		1764	sub link_map {
		1765	unless ($LINK_MAP) {
		1766	$LINK_MAP = cf::map::find "{link}"
		1767	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1768	$LINK_MAP->load;
		1769	}
		1770
		1771	$LINK_MAP
		1772	}
1477		1773
1478	sub cf::object::player::enter_link {	1774	sub cf::object::player::enter_link {
1479	my ($self) = @_;	1775	my ($self) = @_;
1480		1776
1481	$self->deactivate_recursive;	1777	$self->deactivate_recursive;
1482		1778
1483	return if $self->map == $LINK_MAP;	1779	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		1780
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	1782	if $self->map;
1487		1783
1488	$self->enter_map ($LINK_MAP, 20, 20);	1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	1785	}
1490		1786
1491	sub cf::object::player::leave_link {	1787	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	1788	my ($self, $map, $x, $y) = @_;
1493		1789
1494	my $link_pos = delete $self->{_link_pos};	1790	my $link_pos = delete $self->{_link_pos};
1495		1791
1496	unless ($map) {	1792	unless ($map) {
1497	# restore original map position	1793	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	1794	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	1795	$map = cf::map::find $map;
1500		1796
1501	unless ($map) {	1797	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	1798	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	1799	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	1800	or die "FATAL: cannot load emergency map\n";
1505	}	1801	}
1506	}	1802	}
1507		1803
1508	($x, $y) = (-1, -1)	1804	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	1807	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	1808	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	1809	if $x <=0 && $y <= 0;
1514		1810
1515	$map->load;	1811	$map->load;
		1812	$map->load_diag;
1516		1813
		1814	return unless $self->contr->active;
1517	$self->activate_recursive;	1815	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);	1816	$self->enter_map ($map, $x, $y);
1519	}	1817	}
1520		1818
1521	cf::player->attach (	1819	cf::player->attach (
…		…
1534		1832
1535	# try to abort aborted map switching on player login :)	1833	# try to abort aborted map switching on player login :)
1536	# should happen only on crashes	1834	# should happen only on crashes
1537	if ($pl->ob->{_link_pos}) {	1835	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;	1836	$pl->ob->enter_link;
1539	Coro::async {	1837	(async {
1540	# we need this sleep as the login has a concurrent enter_exit running	1838	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn	1839	# and this sleep increases chances of the player not ending up in scorn
		1840	$pl->ob->reply (undef,
		1841	"There was an internal problem at your last logout, "
		1842	. "the server will try to bring you to your intended destination in a second.",
		1843	cf::NDI_RED);
1542	Coro::Timer::sleep 1;	1844	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;	1845	$pl->ob->leave_link;
1544	};	1846	})->prio (2);
1545	}	1847	}
1546	},	1848	},
1547	);	1849	);
1548		1850
1549	=item $player_object->goto_map ($path, $x, $y)	1851	=item $player_object->goto ($path, $x, $y)
1550		1852
1551	=cut	1853	=cut
1552		1854
1553	sub cf::object::player::goto_map {	1855	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	1856	my ($self, $path, $x, $y) = @_;
1555		1857
1556	$self->enter_link;	1858	$self->enter_link;
1557		1859
1558	(Coro::async {	1860	(async {
1559	$path = new cf::path $path;	1861	my $map = eval {
1560
1561	my $map = cf::map::find_map $path->as_string;	1862	my $map = cf::map::find $path;
1562	$map = $map->customise_for ($self) if $map;	1863	$map = $map->customise_for ($self) if $map;
1563		1864	$map
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	1865	} or
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1568		1867
1569	$self->leave_link ($map, $x, $y);	1868	$self->leave_link ($map, $x, $y);
1570	})->prio (1);	1869	})->prio (1);
1571	}	1870	}
1572		1871
…		…
1576		1875
1577	sub parse_random_map_params {	1876	sub parse_random_map_params {
1578	my ($spec) = @_;	1877	my ($spec) = @_;
1579		1878
1580	my $rmp = { # defaults	1879	my $rmp = { # defaults
1581	xsize => 10,	1880	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	1881	ysize => (cf::rndm 15, 40),
		1882	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1883	#layout => string,
1583	};	1884	};
1584		1885
1585	for (split /\n/, $spec) {	1886	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	1887	my ($k, $v) = split /\s+/, $_, 2;
1587		1888
…		…
1591	$rmp	1892	$rmp
1592	}	1893	}
1593		1894
1594	sub prepare_random_map {	1895	sub prepare_random_map {
1595	my ($exit) = @_;	1896	my ($exit) = @_;
		1897
		1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1596		1899
1597	# all this does is basically replace the /! path by	1900	# all this does is basically replace the /! path by
1598	# a new random map path (?random/...) with a seed	1901	# a new random map path (?random/...) with a seed
1599	# that depends on the exit object	1902	# that depends on the exit object
1600		1903
1601	my $rmp = parse_random_map_params $exit->msg;	1904	my $rmp = parse_random_map_params $exit->msg;
1602		1905
1603	if ($exit->map) {	1906	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	1907	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	1908	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	1909	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	1910	$rmp->{origin_y} = $exit->y;
1608	}	1911	}
1609		1912
1610	$rmp->{random_seed} ||= $exit->random_seed;	1913	$rmp->{random_seed} ||= $exit->random_seed;
1611		1914
1612	my $data = cf::to_json $rmp;	1915	my $data = cf::to_json $rmp;
1613	my $md5 = Digest::MD5::md5_hex $data;	1916	my $md5 = Digest::MD5::md5_hex $data;
		1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1614		1918
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	1920	aio_write $fh, 0, (length $data), $data, 0;
		1921	undef $fh;
		1922	aio_rename "$meta~", $meta;
1617		1923
1618	$exit->slaying ("?random/$md5");	1924	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	1925	$exit->msg (undef);
1620	}	1926	}
1621	}	1927	}
…		…
1623	sub cf::object::player::enter_exit {	1929	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	1930	my ($self, $exit) = @_;
1625		1931
1626	return unless $self->type == cf::PLAYER;	1932	return unless $self->type == cf::PLAYER;
1627		1933
		1934	if ($exit->slaying eq "/!") {
		1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1936	cf::sync_job { prepare_random_map $exit };
		1937	}
		1938
		1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1940	my $hp = $exit->stats->hp;
		1941	my $sp = $exit->stats->sp;
		1942
1628	$self->enter_link;	1943	$self->enter_link;
1629		1944
1630	(Coro::async {	1945	(async {
		1946	$self->deactivate_recursive; # just to be sure
1631	unless (eval {	1947	unless (eval {
1632		1948	$self->goto ($slaying, $hp, $sp);
1633	prepare_random_map $exit
1634	if $exit->slaying eq "/!";
1635
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1638		1949
1639	1;	1950	1;
1640	}) {	1951	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	1952	$self->message ("Something went wrong deep within the crossfire server. "
1642	. "I'll try to bring you back to the map you were before. "	1953	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	1954	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	1955	cf::NDI_UNIQUE | cf::NDI_RED);
1645		1956
1646	warn "ERROR in enter_exit: $@";	1957	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	1958	$self->leave_link;
1648	}	1959	}
…		…
1699	on_reply => sub {	2010	on_reply => sub {
1700	my ($ns, $msg) = @_;	2011	my ($ns, $msg) = @_;
1701		2012
1702	# this weird shuffling is so that direct followup queries	2013	# this weird shuffling is so that direct followup queries
1703	# get handled first	2014	# get handled first
1704	my $queue = delete $ns->{query_queue};	2015	my $queue = delete $ns->{query_queue}
		2016	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		2017
1706	(shift @$queue)->[1]->($msg);	2018	(shift @$queue)->[1]->($msg);
		2019	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		2020
1708	push @{ $ns->{query_queue} }, @$queue;	2021	push @{ $ns->{query_queue} }, @$queue;
1709		2022
1710	if (@{ $ns->{query_queue} } == @$queue) {	2023	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	2024	if (@$queue) {
…		…
1715	}	2028	}
1716	}	2029	}
1717	},	2030	},
1718	);	2031	);
1719		2032
1720	=item $client->coro (\&cb)	2033	=item $client->async (\&cb)
1721		2034
1722	Create a new coroutine, running the specified callback. The coroutine will	2035	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	2036	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	2037	or loss of connection).
1725		2038
1726	=cut	2039	=cut
1727		2040
1728	sub cf::client::coro {	2041	sub cf::client::async {
1729	my ($self, $cb) = @_;	2042	my ($self, $cb) = @_;
1730		2043
1731	my $coro; $coro = async {	2044	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		2045
1738	$coro->on_destroy (sub {	2046	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	2047	delete $self->{_coro}{$coro+0};
1740	});	2048	});
1741		2049
…		…
1877	The parameter C<$family> should best start with the name of the extension	2185	The parameter C<$family> should best start with the name of the extension
1878	using it, it should be unique.	2186	using it, it should be unique.
1879		2187
1880	=over 4	2188	=over 4
1881		2189
1882	=item $hashref = cf::db_get $family
1883
1884	Return a hashref for use by the extension C<$family>, which can be
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887
1888	=item $value = cf::db_get $family => $key	2190	=item $value = cf::db_get $family => $key
1889		2191
1890	Returns a single value from the database	2192	Returns a single value from the database.
1891
1892	=item cf::db_put $family => $hashref
1893
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896		2193
1897	=item cf::db_put $family => $key => $value	2194	=item cf::db_put $family => $key => $value
1898		2195
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you	2196	Stores the given C<$value> in the family.
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909		2197
1910	=cut	2198	=cut
1911		2199
1912	our $DB;	2200	our $DB;
1913		2201
1914	{	2202	unless ($DB) {
		2203	$DB = BDB::db_create $DB_ENV;
		2204
		2205	cf::sync_job {
		2206	eval {
		2207	$DB->set_flags (BDB::CHKSUM);
		2208
		2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2211	cf::cleanup "db_open(db): $!" if $!;
		2212	};
		2213	cf::cleanup "db_open(db): $@" if $@;
		2214	};
		2215
1915	my $path = cf::localdir . "/database.pst";	2216	my $path = cf::localdir . "/database.pst";
		2217	if (stat $path) {
		2218	cf::sync_job {
		2219	my $pst = Storable::retrieve $path;
1916		2220
1917	sub db_load() {	2221	cf::db_put (board => data => $pst->{board});
1918	$DB = stat $path ? Storable::retrieve $path : { };	2222	cf::db_put (guildrules => data => $pst->{guildrules});
1919	}	2223	cf::db_put (rent => balance => $pst->{rent}{balance});
		2224	BDB::db_env_txn_checkpoint $DB_ENV;
1920		2225
1921	my $pid;	2226	unlink $path;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}	2227	};
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});	2228	}
		2229	}
1943		2230
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}
1948
1949	sub db_get($;$) {	2231	sub db_get($$) {
1950	@_ >= 2	2232	my $key = "$_[0]/$_[1]";
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954		2233
		2234	cf::sync_job {
		2235	BDB::db_get $DB, undef, $key, my $data;
		2236
		2237	$! ? ()
		2238	: Compress::LZF::sthaw $data
		2239	}
		2240	}
		2241
1955	sub db_put($$;$) {	2242	sub db_put($$$) {
1956	if (@_ >= 3) {	2243	BDB::dbreq_pri 4;
1957	$DB->{$_[0]}{$_[1]} = $_[2];	2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1958	} else {
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963
1964	cf::global->attach (
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},
1969	);
1970	}	2245	}
1971		2246
1972	#############################################################################	2247	#############################################################################
1973	# the server's main()	2248	# the server's init and main functions
		2249
		2250	sub load_resources {
		2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2252	or die "unable to load regions file\n";#d#
		2253	}
1974		2254
1975	sub cfg_load {	2255	sub cfg_load {
1976	open my $fh, "<:utf8", cf::confdir . "/config"	2256	open my $fh, "<:utf8", cf::confdir . "/config"
1977	or return;	2257	or return;
1978		2258
1979	local $/;	2259	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	2260	*CFG = YAML::Syck::Load <$fh>;
		2261
		2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2263
		2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2266
		2267	if (exists $CFG{mlockall}) {
		2268	eval {
		2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2270	and die "WARNING: m(un)lockall failed: $!\n";
		2271	};
		2272	warn $@ if $@;
		2273	}
		2274	}
		2275
		2276	sub init {
		2277	load_resources;
1981	}	2278	}
1982		2279
1983	sub main {	2280	sub main {
1984	# we must not ever block the main coroutine	2281	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	2282	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	2284	(async {
1988	Event::one_event;	2285	Event::one_event;
1989	})->();	2286	})->prio (Coro::PRIO_MAX);
1990	};	2287	};
1991		2288
1992	cfg_load;	2289	cfg_load;
1993	db_load;
1994	load_extensions;	2290	load_extensions;
		2291
		2292	$TICK_WATCHER->start;
1995	Event::loop;	2293	Event::loop;
1996	}	2294	}
1997		2295
1998	#############################################################################	2296	#############################################################################
1999	# initialisation	2297	# initialisation and cleanup
		2298
		2299	# install some emergency cleanup handlers
		2300	BEGIN {
		2301	for my $signal (qw(INT HUP TERM)) {
		2302	Event->signal (
		2303	reentrant => 0,
		2304	data => WF_AUTOCANCEL,
		2305	signal => $signal,
		2306	prio => 0,
		2307	cb => sub {
		2308	cf::cleanup "SIG$signal";
		2309	},
		2310	);
		2311	}
		2312	}
		2313
		2314	sub emergency_save() {
		2315	my $freeze_guard = cf::freeze_mainloop;
		2316
		2317	warn "enter emergency perl save\n";
		2318
		2319	cf::sync_job {
		2320	# use a peculiar iteration method to avoid tripping on perl
		2321	# refcount bugs in for. also avoids problems with players
		2322	# and maps saved/destroyed asynchronously.
		2323	warn "begin emergency player save\n";
		2324	for my $login (keys %cf::PLAYER) {
		2325	my $pl = $cf::PLAYER{$login} or next;
		2326	$pl->valid or next;
		2327	$pl->save;
		2328	}
		2329	warn "end emergency player save\n";
		2330
		2331	warn "begin emergency map save\n";
		2332	for my $path (keys %cf::MAP) {
		2333	my $map = $cf::MAP{$path} or next;
		2334	$map->valid or next;
		2335	$map->save;
		2336	}
		2337	warn "end emergency map save\n";
		2338
		2339	warn "begin emergency database checkpoint\n";
		2340	BDB::db_env_txn_checkpoint $DB_ENV;
		2341	warn "end emergency database checkpoint\n";
		2342	};
		2343
		2344	warn "leave emergency perl save\n";
		2345	}
2000		2346
2001	sub reload() {	2347	sub reload() {
2002	# can/must only be called in main	2348	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	2349	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	2350	warn "can only reload from main coroutine";
2005	return;	2351	return;
2006	}	2352	}
2007		2353
2008	warn "reloading...";	2354	warn "reloading...";
2009		2355
2010	local $FREEZE = 1;	2356	warn "cancelling server ticker";
		2357	$TICK_WATCHER->cancel;
		2358
2011	cf::emergency_save;	2359	cf::emergency_save;
2012		2360
2013	eval {	2361	eval {
2014	# if anything goes wrong in here, we should simply crash as we already saved	2362	# if anything goes wrong in here, we should simply crash as we already saved
2015		2363
2016	# cancel all watchers	2364	warn "cancelling all WF_AUTOCANCEL watchers";
2017	for (Event::all_watchers) {	2365	for (Event::all_watchers) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2019	}	2367	}
2020		2368
		2369	warn "syncing database to disk";
		2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		2371
		2372	warn "flushing outstanding aio requests";
		2373	for (;;) {
		2374	BDB::flush;
		2375	IO::AIO::flush;
		2376	Coro::cede;
		2377	last unless IO::AIO::nreqs || BDB::nreqs;
		2378	warn "iterate...";
		2379	}
		2380
2021	# cancel all extension coros	2381	warn "cancelling all extension coros";
2022	$_->cancel for values %EXT_CORO;	2382	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();	2383	%EXT_CORO = ();
2024		2384
2025	# unload all extensions	2385	warn "removing commands";
2026	for (@exts) {	2386	%COMMAND = ();
		2387
		2388	warn "removing ext commands";
		2389	%EXTCMD = ();
		2390
		2391	warn "unloading/nuking all extensions";
		2392	for my $pkg (@EXTS) {
2027	warn "unloading <$_>";	2393	warn "... unloading $pkg";
2028	unload_extension $_;	2394
		2395	if (my $cb = $pkg->can ("unload")) {
		2396	eval {
		2397	$cb->($pkg);
		2398	1
		2399	} or warn "$pkg unloaded, but with errors: $@";
2029	}	2400	}
2030		2401
		2402	warn "... nuking $pkg";
		2403	Symbol::delete_package $pkg;
		2404	}
		2405
2031	# unload all modules loaded from $LIBDIR	2406	warn "unloading all perl modules loaded from $LIBDIR";
2032	while (my ($k, $v) = each %INC) {	2407	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034		2409
2035	warn "removing <$k>";	2410	warn "... unloading $k";
2036	delete $INC{$k};	2411	delete $INC{$k};
2037		2412
2038	$k =~ s/\.pm$//;	2413	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;	2414	$k =~ s/\//::/g;
2040		2415
…		…
2043	}	2418	}
2044		2419
2045	Symbol::delete_package $k;	2420	Symbol::delete_package $k;
2046	}	2421	}
2047		2422
2048	# sync database to disk
2049	cf::db_sync;
2050	IO::AIO::flush;
2051
2052	# get rid of safe::, as good as possible	2423	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	2424	Symbol::delete_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		2426
2056	# remove register_script_function callbacks
2057	# TODO
2058
2059	# unload cf.pm "a bit"	2427	warn "unloading cf.pm \"a bit\"";
2060	delete $INC{"cf.pm"};	2428	delete $INC{"cf.pm"};
2061		2429
2062	# don't, removes xs symbols, too,	2430	# don't, removes xs symbols, too,
2063	# and global variables created in xs	2431	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	2432	#Symbol::delete_package __PACKAGE__;
2065		2433
2066	# reload cf.pm	2434	warn "unload completed, starting to reload now";
		2435
2067	warn "reloading cf.pm";	2436	warn "reloading cf.pm";
2068	require cf;	2437	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2070		2439
2071	# load config and database again	2440	warn "loading config and database again";
2072	cf::cfg_load;	2441	cf::cfg_load;
2073	cf::db_load;
2074		2442
2075	# load extensions
2076	warn "load extensions";	2443	warn "loading extensions";
2077	cf::load_extensions;	2444	cf::load_extensions;
2078		2445
2079	# reattach attachments to objects	2446	warn "reattaching attachments to objects/players";
2080	warn "reattach";
2081	_global_reattach;	2447	_global_reattach;
		2448	warn "reattaching attachments to maps";
		2449	reattach $_ for values %MAP;
		2450
		2451	warn "loading reloadable resources";
		2452	load_resources;
		2453
		2454	warn "restarting server ticker";
		2455
		2456	$TICK_WATCHER->start;
2082	};	2457	};
2083		2458
2084	if ($@) {	2459	if ($@) {
2085	warn $@;	2460	warn $@;
2086	warn "error while reloading, exiting.";	2461	warn "error while reloading, exiting.";
2087	exit 1;	2462	exit 1;
2088	}	2463	}
2089		2464
2090	warn "reloaded successfully";	2465	warn "reloaded";
2091	};	2466	};
2092		2467
2093	#############################################################################	2468	our $RELOAD_WATCHER; # used only during reload
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}
2135
2136	register "<global>", __PACKAGE__;
2137		2469
2138	register_command "reload" => sub {	2470	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	2471	my ($who, $arg) = @_;
2140		2472
2141	if ($who->flag (FLAG_WIZ)) {	2473	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");	2474	$who->message ("reloading server.");
		2475
		2476	# doing reload synchronously and two reloads happen back-to-back,
		2477	# coro crashes during coro_state_free->destroy here.
		2478
		2479	$RELOAD_WATCHER ||= Event->timer (
		2480	reentrant => 0,
		2481	after => 0,
		2482	data => WF_AUTOCANCEL,
		2483	cb => sub {
2143	reload;	2484	reload;
2144	$who->message ("end of reload.");	2485	undef $RELOAD_WATCHER;
		2486	},
		2487	);
2145	}	2488	}
2146	};	2489	};
2147		2490
2148	unshift @INC, $LIBDIR;	2491	unshift @INC, $LIBDIR;
		2492
		2493	my $bug_warning = 0;
2149		2494
2150	$TICK_WATCHER = Event->timer (	2495	$TICK_WATCHER = Event->timer (
2151	reentrant => 0,	2496	reentrant => 0,
		2497	parked => 1,
2152	prio => 0,	2498	prio => 0,
2153	at => $NEXT_TICK || $TICK,	2499	at => $NEXT_TICK || $TICK,
2154	data => WF_AUTOCANCEL,	2500	data => WF_AUTOCANCEL,
2155	cb => sub {	2501	cb => sub {
2156	unless ($FREEZE) {	2502	if ($Coro::current != $Coro::main) {
		2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2504	unless ++$bug_warning > 10;
		2505	return;
		2506	}
		2507
		2508	$NOW = Event::time;
		2509
2157	cf::server_tick; # one server iteration	2510	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;	2511	$RUNTIME += $TICK;
2159	}
2160
2161	$NEXT_TICK += $TICK;	2512	$NEXT_TICK += $TICK;
		2513
		2514	$WAIT_FOR_TICK->broadcast;
		2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2516
		2517	Event::sweep;
		2518	Coro::cede_notself;
		2519
		2520	# my $AFTER = Event::time;
		2521	# warn $AFTER - $NOW;#d#
2162		2522
2163	# if we are delayed by four ticks or more, skip them all	2523	# if we are delayed by four ticks or more, skip them all
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2165		2525
2166	$TICK_WATCHER->at ($NEXT_TICK);	2526	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;	2527	$TICK_WATCHER->start;
2168	},	2528	},
2169	);	2529	);
2170		2530
		2531	{
		2532	BDB::max_poll_time $TICK * 0.1;
		2533	$BDB_POLL_WATCHER = Event->io (
		2534	reentrant => 0,
		2535	fd => BDB::poll_fileno,
		2536	poll => 'r',
		2537	prio => 0,
		2538	data => WF_AUTOCANCEL,
		2539	cb => \&BDB::poll_cb,
		2540	);
		2541	BDB::min_parallel 8;
		2542
		2543	BDB::set_sync_prepare {
		2544	my $status;
		2545	my $current = $Coro::current;
		2546	(
		2547	sub {
		2548	$status = $!;
		2549	$current->ready; undef $current;
		2550	},
		2551	sub {
		2552	Coro::schedule while defined $current;
		2553	$! = $status;
		2554	},
		2555	)
		2556	};
		2557
		2558	unless ($DB_ENV) {
		2559	$DB_ENV = BDB::db_env_create;
		2560
		2561	cf::sync_job {
		2562	eval {
		2563	BDB::db_env_open
		2564	$DB_ENV,
		2565	$BDB_ENV_DIR,
		2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2568	0666;
		2569
		2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2571
		2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2573	$DB_ENV->set_lk_detect;
		2574	};
		2575
		2576	cf::cleanup "db_env_open(db): $@" if $@;
		2577	};
		2578	}
		2579	}
		2580
		2581	{
		2582	IO::AIO::min_parallel 8;
		2583
		2584	undef $Coro::AIO::WATCHER;
2171	IO::AIO::max_poll_time $TICK * 0.2;	2585	IO::AIO::max_poll_time $TICK * 0.1;
2172		2586	$AIO_POLL_WATCHER = Event->io (
2173	Event->io (	2587	reentrant => 0,
2174	fd => IO::AIO::poll_fileno,	2588	fd => IO::AIO::poll_fileno,
2175	poll => 'r',	2589	poll => 'r',
2176	prio => 5,	2590	prio => 6,
2177	data => WF_AUTOCANCEL,	2591	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,	2592	cb => \&IO::AIO::poll_cb,
2179	);	2593	);
		2594	}
2180		2595
2181	Event->timer (	2596	$WRITE_RUNTIME_WATCHER = Event->timer (
		2597	reentrant => 0,
2182	data => WF_AUTOCANCEL,	2598	data => WF_AUTOCANCEL,
2183	after => 0,	2599	after => 1,
2184	interval => 10,	2600	interval => 10,
2185	cb => sub {	2601	prio => 6, # keep it lowest so it acts like a watchdog
2186	(Coro::unblock_sub {	2602	cb => Coro::unblock_sub {
2187	write_runtime	2603	write_runtime
2188	or warn "ERROR: unable to write runtime file: $!";	2604	or warn "ERROR: unable to write runtime file: $!";
2189	})->();
2190	},	2605	},
2191	);	2606	);
2192		2607
		2608	END { cf::emergency_save }
		2609
2193	1	2610	1
2194		2611

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