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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 2007 UTC vs.
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut	223	=item cf::lock_wait $string
180		224
181	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
183	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
184	}	249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
253		346
254	$coro	347	$coro
255	}	348	}
256		349
257	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
258	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
259		354
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	356	or return;
262		357
		358	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	363	and return;
266		364
		365	# always fsync - this file is important
267	aio_fsync $fh	366	aio_fsync $fh
268	and return;	367	and return;
269		368
270	close $fh	369	close $fh
271	or return;	370	or return;
…		…
274	and return;	373	and return;
275		374
276	1	375	1
277	}	376	}
278		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
279	=back	389	=back
280		390
281	=cut	391	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		392
393	#############################################################################	393	#############################################################################
394		394
395	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
396		396
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	523	our @CB_MAP = ();
524		524
525	my %attachment;	525	my %attachment;
526		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
527	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
529		535
530	use sort 'stable';	536	use sort 'stable';
531		537
…		…
702	# object support	708	# object support
703		709
704	sub reattach {	710	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		715
708	my $registry = $obj->registry;	716	my $registry = $obj->registry;
709		717
710	@$registry = ();	718	@$registry = ();
711		719
…		…
758	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
759		767
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	772	close $fh;
765		773
766	if (@$objs) {	774	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	780	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
774	}	782	}
775	} else {	783	} else {
776	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
804	or return;	812	or return;
805		813
806	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
808	or return;	816	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
810	}	818	}
811		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	822	return ($data, $av);
813	}	823	}
814		824
815	#############################################################################	825	#############################################################################
816	# command handling &c	826	# command handling &c
…		…
841	=cut	851	=cut
842		852
843	sub register_extcmd {	853	sub register_extcmd {
844	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
845		855
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
850	}	857	}
851		858
852	cf::player->attach (	859	cf::player->attach (
853	on_command => sub {	860	on_command => sub {
854	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
867		874
868	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
869		876
870	if (ref $msg) {	877	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	881	}
875	}	882	}
876	} else {	883	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		886
880	cf::override;	887	cf::override;
881	},	888	},
882	);	889	);
883		890
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	891	sub load_extension {
891	my ($path) = @_;	892	my ($path) = @_;
892		893
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	895	my $base = $1;
895	my $pkg = $1;	896	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
898		899
899	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
900		901
901	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
902	or die "$path: $!";	903	or die "$path: $!";
903		904
904	my $source =	905	my $source =
905	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
908	. "\n};\n1";	909	. "\n};\n1";
909		910
910	eval $source	911	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	913	: "extension disabled.\n";
913		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	915	warn $@;
915	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
916		917	exit 1;
917	# no strict 'refs';	918	}
918	# @{"$pkg\::ISA"} = ext::;	919	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	920	}
933		921
934	# remove commands	922	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	923	}
959		924
960	sub load_extensions {	925	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	927	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
967	}	932	}
968	}	933	}
969		934
970	#############################################################################	935	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		936
1008	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1009		938
1010	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1011		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1012	=head3 cf::player	947	=head3 cf::player
1013		948
1014	=over 4	949	=over 4
1015		950
1016	=item cf::player::exists $login	951	=item cf::player::find $login
1017		952
1018	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1019		954
1020	=cut	955	=cut
1021		956
1022	sub cf::player::exists($) {	957	sub playerdir($) {
1023	cf::player::find $_[0]	958	cf::localdir
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	959	. "/"
		960	. cf::playerdir
		961	. "/"
		962	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1025	}	963	}
1026		964
		965	sub path($) {
		966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		967
		968	(playerdir $login) . "/$login.pl"
		969	}
		970
		971	sub find_active($) {
		972	$cf::PLAYER{$_[0]}
		973	and $cf::PLAYER{$_[0]}->active
		974	and $cf::PLAYER{$_[0]}
		975	}
		976
		977	sub exists($) {
		978	my ($login) = @_;
		979
		980	$cf::PLAYER{$login}
		981	or cf::sync_job { !aio_stat path $login }
		982	}
		983
		984	sub find($) {
		985	return $cf::PLAYER{$_[0]} || do {
		986	my $login = $_[0];
		987
		988	my $guard = cf::lock_acquire "user_find:$login";
		989
		990	$cf::PLAYER{$_[0]} || do {
		991	my $pl = load_pl path $login
		992	or return;
		993	$cf::PLAYER{$login} = $pl
		994	}
		995	}
		996	}
		997
		998	sub save($) {
		999	my ($pl) = @_;
		1000
		1001	return if $pl->{deny_save};
		1002
		1003	my $path = path $pl;
		1004	my $guard = cf::lock_acquire "user_save:$path";
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	aio_mkdir playerdir $pl, 0770;
		1009	$pl->{last_save} = $cf::RUNTIME;
		1010
		1011	$pl->save_pl ($path);
		1012	Coro::cede;
		1013	}
		1014
		1015	sub new($) {
		1016	my ($login) = @_;
		1017
		1018	my $self = create;
		1019
		1020	$self->ob->name ($login);
		1021	$self->{deny_save} = 1;
		1022
		1023	$cf::PLAYER{$login} = $self;
		1024
		1025	$self
		1026	}
		1027
		1028	=item $pl->quit_character
		1029
		1030	Nukes the player without looking back. If logged in, the connection will
		1031	be destroyed. May block for a long time.
		1032
		1033	=cut
		1034
		1035	sub quit_character {
		1036	my ($pl) = @_;
		1037
		1038	my $name = $pl->ob->name;
		1039
		1040	$pl->{deny_save} = 1;
		1041	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1042
		1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1044	$pl->deactivate;
		1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1046	$pl->ns->destroy if $pl->ns;
		1047
		1048	my $path = playerdir $pl;
		1049	my $temp = "$path~$cf::RUNTIME~deleting~";
		1050	aio_rename $path, $temp;
		1051	delete $cf::PLAYER{$pl->ob->name};
		1052	$pl->destroy;
		1053
		1054	my $prefix = qr<^~\Q$name\E/>;
		1055
		1056	# nuke player maps
		1057	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1058
		1059	IO::AIO::aio_rmtree $temp;
		1060	}
		1061
		1062	=item $pl->kick
		1063
		1064	Kicks a player out of the game. This destroys the connection.
		1065
		1066	=cut
		1067
		1068	sub kick {
		1069	my ($pl, $kicker) = @_;
		1070
		1071	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1072	$pl->killer ("kicked");
		1073	$pl->ns->destroy;
		1074	}
		1075
		1076	=item cf::player::list_logins
		1077
		1078	Returns am arrayref of all valid playernames in the system, can take a
		1079	while and may block, so not sync_job-capable, ever.
		1080
		1081	=cut
		1082
		1083	sub list_logins {
		1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1085	or return [];
		1086
		1087	my @logins;
		1088
		1089	for my $login (@$dirs) {
		1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1091	aio_read $fh, 0, 512, my $buf, 0 or next;
		1092	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1093
		1094	utf8::decode $login;
		1095	push @logins, $login;
		1096	}
		1097
		1098	\@logins
		1099	}
		1100
		1101	=item $player->maps
		1102
		1103	Returns an arrayref of map paths that are private for this
		1104	player. May block.
		1105
		1106	=cut
		1107
		1108	sub maps($) {
		1109	my ($pl) = @_;
		1110
		1111	$pl = ref $pl ? $pl->ob->name : $pl;
		1112
		1113	my $files = aio_readdir playerdir $pl
		1114	or return;
		1115
		1116	my @paths;
		1117
		1118	for (@$files) {
		1119	utf8::decode $_;
		1120	next if /\.(?:pl|pst)$/;
		1121	next unless /^$PATH_SEP/o;
		1122
		1123	push @paths, cf::map::normalise "~$pl/$_";
		1124	}
		1125
		1126	\@paths
		1127	}
		1128
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1028		1130
1029	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1030		1132
1031	=cut	1133	=cut
1032		1134
1033	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1034	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1035		1137
1036	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1037		1139
1038	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1039	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	$self->ns->ext_event ($type, %msg);
		1153	}
		1154
		1155	package cf;
1040		1156
1041	=back	1157	=back
1042		1158
1043		1159
1044	=head3 cf::map	1160	=head3 cf::map
…		…
1050	package cf::map;	1166	package cf::map;
1051		1167
1052	use Fcntl;	1168	use Fcntl;
1053	use Coro::AIO;	1169	use Coro::AIO;
1054		1170
		1171	use overload
		1172	'""' => \&as_string,
		1173	fallback => 1;
		1174
1055	our $MAX_RESET = 7200;	1175	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1176	our $DEFAULT_RESET = 3000;
1057		1177
1058	sub generate_random_map {	1178	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1179	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1180	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1181	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1185	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1186	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1187	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1188	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1189	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1190	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1191	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1192	(cf::region::find $rmp->{region}), $rmp->{custom}
		1193	)
		1194	}
		1195
		1196	=item cf::map->register ($regex, $prio)
		1197
		1198	Register a handler for the map path matching the given regex at the
		1199	givne priority (higher is better, built-in handlers have priority 0, the
		1200	default).
		1201
		1202	=cut
		1203
		1204	sub register {
		1205	my (undef, $regex, $prio) = @_;
		1206	my $pkg = caller;
		1207
		1208	no strict;
		1209	push @{"$pkg\::ISA"}, __PACKAGE__;
		1210
		1211	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1212	}
		1213
		1214	# also paths starting with '/'
		1215	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1216
		1217	sub thawer_merge {
		1218	my ($self, $merge) = @_;
		1219
		1220	# we have to keep some variables in memory intact
		1221	local $self->{path};
		1222	local $self->{load_path};
		1223	local $self->{deny_save};
		1224	local $self->{deny_reset};
		1225
		1226	$self->SUPER::thawer_merge ($merge);
		1227	}
		1228
		1229	sub normalise {
		1230	my ($path, $base) = @_;
		1231
		1232	$path = "$path"; # make sure its a string
		1233
		1234	$path =~ s/\.map$//;
		1235
		1236	# map plan:
		1237	#
		1238	# /! non-realised random map exit (special hack!)
		1239	# {... are special paths that are not being touched
		1240	# ?xxx/... are special absolute paths
		1241	# ?random/... random maps
		1242	# /... normal maps
		1243	# ~user/... per-player map of a specific user
		1244
		1245	$path =~ s/$PATH_SEP/\//go;
		1246
		1247	# treat it as relative path if it starts with
		1248	# something that looks reasonable
		1249	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1250	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1251
		1252	$base =~ s{[^/]+/?$}{};
		1253	$path = "$base/$path";
		1254	}
		1255
		1256	for ($path) {
		1257	redo if s{//}{/};
		1258	redo if s{/\.?/}{/};
		1259	redo if s{/[^/]+/\.\./}{/};
		1260	}
		1261
		1262	$path
		1263	}
		1264
		1265	sub new_from_path {
		1266	my (undef, $path, $base) = @_;
		1267
		1268	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1269
		1270	$path = normalise $path, $base;
		1271
		1272	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1273	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1274	my $self = bless cf::map::new, $pkg;
		1275	$self->{path} = $path; $self->path ($path);
		1276	$self->init; # pass $1 etc.
		1277	return $self;
		1278	}
		1279	}
		1280
		1281	Carp::carp "unable to resolve path '$path' (base '$base').";
		1282	()
		1283	}
		1284
		1285	sub init {
		1286	my ($self) = @_;
		1287
		1288	$self
		1289	}
		1290
		1291	sub as_string {
		1292	my ($self) = @_;
		1293
		1294	"$self->{path}"
		1295	}
		1296
		1297	# the displayed name, this is a one way mapping
		1298	sub visible_name {
		1299	&as_string
		1300	}
		1301
		1302	# the original (read-only) location
		1303	sub load_path {
		1304	my ($self) = @_;
		1305
		1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1307	}
		1308
		1309	# the temporary/swap location
		1310	sub save_path {
		1311	my ($self) = @_;
		1312
		1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1315	}
		1316
		1317	# the unique path, undef == no special unique path
		1318	sub uniq_path {
		1319	my ($self) = @_;
		1320
		1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1075	}	1323	}
1076		1324
1077	# and all this just because we cannot iterate over	1325	# and all this just because we cannot iterate over
1078	# all maps in C++...	1326	# all maps in C++...
1079	sub change_all_map_light {	1327	sub change_all_map_light {
1080	my ($change) = @_;	1328	my ($change) = @_;
1081		1329
1082	$_->change_map_light ($change) for values %cf::MAP;	1330	$_->change_map_light ($change)
		1331	for grep $_->outdoor, values %cf::MAP;
1083	}	1332	}
1084		1333
		1334	sub unlink_save {
		1335	my ($self) = @_;
		1336
		1337	utf8::encode (my $save = $self->save_path);
		1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1339	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1340	}
		1341
1085	sub try_load_header($) {	1342	sub load_header_from($) {
1086	my ($path) = @_;	1343	my ($self, $path) = @_;
1087		1344
1088	utf8::encode $path;	1345	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1346	#aio_open $path, O_RDONLY, 0
		1347	# or return;
		1348
		1349	$self->_load_header ($path)
1090	or return;	1350	or return;
1091		1351
1092	my $map = cf::map::new	1352	$self->{load_path} = $path;
		1353
		1354	1
		1355	}
		1356
		1357	sub load_header_orig {
		1358	my ($self) = @_;
		1359
		1360	$self->load_header_from ($self->load_path)
		1361	}
		1362
		1363	sub load_header_temp {
		1364	my ($self) = @_;
		1365
		1366	$self->load_header_from ($self->save_path)
		1367	}
		1368
		1369	sub prepare_temp {
		1370	my ($self) = @_;
		1371
		1372	$self->last_access ((delete $self->{last_access})
		1373	|| $cf::RUNTIME); #d#
		1374	# safety
		1375	$self->{instantiate_time} = $cf::RUNTIME
		1376	if $self->{instantiate_time} > $cf::RUNTIME;
		1377	}
		1378
		1379	sub prepare_orig {
		1380	my ($self) = @_;
		1381
		1382	$self->{load_original} = 1;
		1383	$self->{instantiate_time} = $cf::RUNTIME;
		1384	$self->last_access ($cf::RUNTIME);
		1385	$self->instantiate;
		1386	}
		1387
		1388	sub load_header {
		1389	my ($self) = @_;
		1390
		1391	if ($self->load_header_temp) {
		1392	$self->prepare_temp;
		1393	} else {
		1394	$self->load_header_orig
1093	or return;	1395	or return;
		1396	$self->prepare_orig;
		1397	}
1094		1398
1095	$map->load_header ($path)	1399	1
1096	or return;
1097
1098	$map->{load_path} = $path;
1099
1100	$map
1101	}	1400	}
1102		1401
		1402	sub find;
1103	sub find_map {	1403	sub find {
1104	my ($path, $origin) = @_;	1404	my ($path, $origin) = @_;
1105		1405
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1406	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1407
		1408	cf::lock_wait "map_find:$path";
		1409
1111	$cf::MAP{$key} || do {	1410	$cf::MAP{$path} || do {
1112	# do it the slow way	1411	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1412	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1413	or return;
1127		1414
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1415	$map->{last_save} = $cf::RUNTIME;
1139		1416
1140	if ($map->should_reset) {	1417	$map->load_header
		1418	or return;
		1419
		1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1421	# doing this can freeze the server in a sync job, obviously
		1422	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1423	$map->reset;
1142	$map = find_map $path;	1424	undef $guard;
		1425	return find $path;
1143	}	1426	}
1144		1427
1145	$cf::MAP{$key} = $map	1428	$cf::MAP{$path} = $map
1146	}	1429	}
1147	}	1430	}
		1431
		1432	sub pre_load { }
		1433	sub post_load { }
1148		1434
1149	sub load {	1435	sub load {
1150	my ($self) = @_;	1436	my ($self) = @_;
1151		1437
		1438	local $self->{deny_reset} = 1; # loading can take a long time
		1439
		1440	my $path = $self->{path};
		1441	my $guard = cf::lock_acquire "map_load:$path";
		1442
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1443	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1444
1154	$self->in_memory (cf::MAP_LOADING);	1445	$self->in_memory (cf::MAP_LOADING);
1155		1446
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1447	$self->alloc;
		1448
		1449	$self->pre_load;
		1450
1159	$self->load_objects ($self->{load_path}, 1)	1451	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1452	or return;
1161		1453
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1455	if delete $self->{load_original};
1164		1456
1165	if (my $uniq = $path->uniq_path) {	1457	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1458	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1459	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1460	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1461	$self->_load_objects ($uniq, 0);
1170	}	1462	}
1171	}	1463	}
		1464
		1465	Coro::cede;
1172		1466
1173	# now do the right thing for maps	1467	# now do the right thing for maps
1174	$self->link_multipart_objects;	1468	$self->link_multipart_objects;
1175		1469
1176	if ($self->{path}->is_style_map) {	1470	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1471	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1472	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1473	$self->update_buttons;
		1474	Coro::cede;
1183	$self->set_darkness_map;	1475	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1476	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1477	unless $self->difficulty;
		1478	Coro::cede;
1186	$self->activate;	1479	$self->activate;
1187	}	1480	}
1188		1481
		1482	$self->post_load;
		1483
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1484	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1485	}
1191		1486
1192	sub load_map_sync {	1487	sub customise_for {
		1488	my ($self, $ob) = @_;
		1489
		1490	return find "~" . $ob->name . "/" . $self->{path}
		1491	if $self->per_player;
		1492
		1493	$self
		1494	}
		1495
		1496	# find and load all maps in the 3x3 area around a map
		1497	sub load_diag {
		1498	my ($map) = @_;
		1499
		1500	my @diag; # diagonal neighbours
		1501
		1502	for (0 .. 3) {
		1503	my $neigh = $map->tile_path ($_)
		1504	or next;
		1505	$neigh = find $neigh, $map
		1506	or next;
		1507	$neigh->load;
		1508
		1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1511	}
		1512
		1513	for (@diag) {
		1514	my $neigh = find @$_
		1515	or next;
		1516	$neigh->load;
		1517	}
		1518	}
		1519
		1520	sub find_sync {
1193	my ($path, $origin) = @_;	1521	my ($path, $origin) = @_;
1194		1522
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1523	cf::sync_job { find $path, $origin }
		1524	}
1196		1525
1197	cf::sync_job {	1526	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1527	my ($map) = @_;
1199	or return;	1528
		1529	cf::sync_job { $map->load };
		1530	}
		1531
		1532	our %MAP_PREFETCH;
		1533	our $MAP_PREFETCHER = undef;
		1534
		1535	sub find_async {
		1536	my ($path, $origin) = @_;
		1537
		1538	$path = normalise $path, $origin && $origin->{path};
		1539
		1540	if (my $map = $cf::MAP{$path}) {
		1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1542	}
		1543
		1544	undef $MAP_PREFETCH{$path};
		1545	$MAP_PREFETCHER ||= cf::async {
		1546	while (%MAP_PREFETCH) {
		1547	for my $path (keys %MAP_PREFETCH) {
		1548	my $map = find $path
		1549	or next;
1200	$map->load;	1550	$map->load;
1201	$map	1551
		1552	delete $MAP_PREFETCH{$path};
		1553	}
		1554	}
		1555	undef $MAP_PREFETCHER;
1202	}	1556	};
		1557	$MAP_PREFETCHER->prio (6);
		1558
		1559	()
1203	}	1560	}
1204		1561
1205	sub save {	1562	sub save {
1206	my ($self) = @_;	1563	my ($self) = @_;
1207		1564
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1565	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1566
1211	$self->{last_save} = $cf::RUNTIME;	1567	$self->{last_save} = $cf::RUNTIME;
1212		1568
1213	return unless $self->dirty;	1569	return unless $self->dirty;
1214		1570
		1571	my $save = $self->save_path; utf8::encode $save;
		1572	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1573
1215	$self->{load_path} = $save;	1574	$self->{load_path} = $save;
1216		1575
1217	return if $self->{deny_save};	1576	return if $self->{deny_save};
1218		1577
		1578	local $self->{last_access} = $self->last_access;#d#
		1579
		1580	cf::async {
		1581	$_->contr->save for $self->players;
		1582	};
		1583
1219	if ($uniq) {	1584	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1587	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1588	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1589	}
1225	}	1590	}
1226		1591
1227	sub swap_out {	1592	sub swap_out {
1228	my ($self) = @_;	1593	my ($self) = @_;
		1594
		1595	# save first because save cedes
		1596	$self->save;
		1597
		1598	my $lock = cf::lock_acquire "map_data:" . $self->path;
1229		1599
1230	return if $self->players;	1600	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1601	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1602	return if $self->{deny_save};
1233		1603
1234	$self->save;
1235	$self->clear;	1604	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1605	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1606	}
1238		1607
1239	sub reset_at {	1608	sub reset_at {
1240	my ($self) = @_;	1609	my ($self) = @_;
1241		1610
1242	# TODO: safety, remove and allow resettable per-player maps	1611	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1613	return 1e99 if $self->{deny_reset};
1245		1614
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1617
1250	$time + $to	1618	$time + $to
1251	}	1619	}
1252		1620
1253	sub should_reset {	1621	sub should_reset {
1254	my ($self) = @_;	1622	my ($self) = @_;
1255		1623
1256	$self->reset_at <= $cf::RUNTIME	1624	$self->reset_at <= $cf::RUNTIME
1257	}	1625	}
1258		1626
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1627	sub reset {
1268	my ($self) = @_;	1628	my ($self) = @_;
1269		1629
		1630	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1631
1270	return if $self->players;	1632	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1633	return if $self->isa ("ext::map_per_player");#d#
1272		1634
1273	warn "resetting map ", $self->path;#d#	1635	warn "resetting map ", $self->path;#d#
1274		1636
		1637	$self->in_memory (cf::MAP_SWAPPED);
		1638
		1639	# need to save uniques path
		1640	unless ($self->{deny_save}) {
		1641	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1642
		1643	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1644	if $uniq;
		1645	}
		1646
1275	delete $cf::MAP{$self->path};	1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->clear;
1276		1650
1277	$_->clear_links_to ($self) for values %cf::MAP;	1651	$_->clear_links_to ($self) for values %cf::MAP;
1278		1652
1279	$self->unlink_save;	1653	$self->unlink_save;
1280	$self->destroy;	1654	$self->destroy;
1281	}	1655	}
1282		1656
1283	sub customise_for {	1657	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1658
1286	if ($map->per_player) {	1659	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1660	my ($self) = @_;
1288	}
1289		1661
1290	$map	1662	delete $cf::MAP{$self->path};
1291	}
1292		1663
1293	sub emergency_save {	1664	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1665
1296	warn "enter emergency map save\n";	1666	bless $self, "cf::map";
		1667	delete $self->{deny_reset};
		1668	$self->{deny_save} = 1;
		1669	$self->reset_timeout (1);
		1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1671
1298	cf::sync_job {	1672	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1673
1300	$_->save for values %cf::MAP;	1674	$self->reset; # polite request, might not happen
		1675	}
		1676
		1677	=item cf::map::unique_maps
		1678
		1679	Returns an arrayref of paths of all shared maps that have
		1680	instantiated unique items. May block.
		1681
		1682	=cut
		1683
		1684	sub unique_maps() {
		1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1686	or return;
		1687
		1688	my @paths;
		1689
		1690	for (@$files) {
		1691	utf8::decode $_;
		1692	next if /\.pst$/;
		1693	next unless /^$PATH_SEP/o;
		1694
		1695	push @paths, cf::map::normalise $_;
1301	};	1696	}
1302		1697
1303	warn "end emergency map save\n";	1698	\@paths
1304	}	1699	}
1305		1700
1306	package cf;	1701	package cf;
1307		1702
1308	=back	1703	=back
1309		1704
		1705	=head3 cf::object
		1706
		1707	=cut
		1708
		1709	package cf::object;
		1710
		1711	=over 4
		1712
		1713	=item $ob->inv_recursive
		1714
		1715	Returns the inventory of the object _and_ their inventories, recursively.
		1716
		1717	=cut
		1718
		1719	sub inv_recursive_;
		1720	sub inv_recursive_ {
		1721	map { $_, inv_recursive_ $_->inv } @_
		1722	}
		1723
		1724	sub inv_recursive {
		1725	inv_recursive_ inv $_[0]
		1726	}
		1727
		1728	package cf;
		1729
		1730	=back
1310		1731
1311	=head3 cf::object::player	1732	=head3 cf::object::player
1312		1733
1313	=over 4	1734	=over 4
1314		1735
…		…
1350	(ref $cf::CFG{"may_$access"}	1771	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1772	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1773	: $cf::CFG{"may_$access"})
1353	}	1774	}
1354		1775
		1776	=item $player_object->enter_link
		1777
		1778	Freezes the player and moves him/her to a special map (C<{link}>).
		1779
		1780	The player should be reasonably safe there for short amounts of time. You
		1781	I<MUST> call C<leave_link> as soon as possible, though.
		1782
		1783	Will never block.
		1784
		1785	=item $player_object->leave_link ($map, $x, $y)
		1786
		1787	Moves the player out of the special C<{link}> map onto the specified
		1788	map. If the map is not valid (or omitted), the player will be moved back
		1789	to the location he/she was before the call to C<enter_link>, or, if that
		1790	fails, to the emergency map position.
		1791
		1792	Might block.
		1793
		1794	=cut
		1795
		1796	sub link_map {
		1797	unless ($LINK_MAP) {
		1798	$LINK_MAP = cf::map::find "{link}"
		1799	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1800	$LINK_MAP->load;
		1801	}
		1802
		1803	$LINK_MAP
		1804	}
		1805
1355	sub cf::object::player::enter_link {	1806	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1807	my ($self) = @_;
1357		1808
1358	return if $self->map == $LINK_MAP;	1809	$self->deactivate_recursive;
1359		1810
		1811	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1812
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1814	if $self->map;
1362		1815
1363	$self->enter_map ($LINK_MAP, 20, 20);	1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1364	$self->deactivate_recursive;
1365	}	1817	}
1366		1818
1367	sub cf::object::player::leave_link {	1819	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1820	my ($self, $map, $x, $y) = @_;
1369		1821
1370	my $link_pos = delete $self->{_link_pos};	1822	my $link_pos = delete $self->{_link_pos};
1371		1823
1372	unless ($map) {	1824	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1825	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1826	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1827	$map = cf::map::find $map;
1378		1828
1379	unless ($map) {	1829	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1830	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1831	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1832	or die "FATAL: cannot load emergency map\n";
1383	}	1833	}
1384	}	1834	}
1385		1835
1386	($x, $y) = (-1, -1)	1836	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1839	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1840	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1841	if $x <=0 && $y <= 0;
1392		1842
1393	$map->load;	1843	$map->load;
		1844	$map->load_diag;
1394		1845
		1846	return unless $self->contr->active;
1395	$self->activate_recursive;	1847	$self->activate_recursive;
		1848
		1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1396	$self->enter_map ($map, $x, $y);	1850	$self->enter_map ($map, $x, $y);
1397	}	1851	}
1398		1852
		1853	cf::player->attach (
		1854	on_logout => sub {
		1855	my ($pl) = @_;
		1856
		1857	# abort map switching before logout
		1858	if ($pl->ob->{_link_pos}) {
		1859	cf::sync_job {
		1860	$pl->ob->leave_link
		1861	};
		1862	}
		1863	},
		1864	on_login => sub {
		1865	my ($pl) = @_;
		1866
		1867	# try to abort aborted map switching on player login :)
		1868	# should happen only on crashes
		1869	if ($pl->ob->{_link_pos}) {
		1870	$pl->ob->enter_link;
		1871	(async {
		1872	$pl->ob->reply (undef,
		1873	"There was an internal problem at your last logout, "
		1874	. "the server will try to bring you to your intended destination in a second.",
		1875	cf::NDI_RED);
		1876	# we need this sleep as the login has a concurrent enter_exit running
		1877	# and this sleep increases chances of the player not ending up in scorn
		1878	Coro::Timer::sleep 1;
		1879	$pl->ob->leave_link;
		1880	})->prio (2);
		1881	}
		1882	},
		1883	);
		1884
1399	=item $player_object->goto_map ($map, $x, $y)	1885	=item $player_object->goto ($path, $x, $y)
1400		1886
1401	=cut	1887	=cut
1402		1888
1403	sub cf::object::player::goto_map {	1889	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1890	my ($self, $path, $x, $y) = @_;
1405		1891
1406	$self->enter_link;	1892	$self->enter_link;
1407		1893
1408	(Coro::async {	1894	(async {
1409	$path = new cf::path $path;	1895	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	1896	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1897	$map = $map->customise_for ($self) if $map;
1413
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1898	$map
		1899	} or
		1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1901
1417	$self->leave_link ($map, $x, $y);	1902	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1903	})->prio (1);
1419	}	1904	}
1420		1905
…		…
1424		1909
1425	sub parse_random_map_params {	1910	sub parse_random_map_params {
1426	my ($spec) = @_;	1911	my ($spec) = @_;
1427		1912
1428	my $rmp = { # defaults	1913	my $rmp = { # defaults
1429	xsize => 10,	1914	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1915	ysize => (cf::rndm 15, 40),
		1916	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1917	#layout => string,
1431	};	1918	};
1432		1919
1433	for (split /\n/, $spec) {	1920	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1921	my ($k, $v) = split /\s+/, $_, 2;
1435		1922
…		…
1439	$rmp	1926	$rmp
1440	}	1927	}
1441		1928
1442	sub prepare_random_map {	1929	sub prepare_random_map {
1443	my ($exit) = @_;	1930	my ($exit) = @_;
		1931
		1932	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1933
1445	# all this does is basically replace the /! path by	1934	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1935	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1936	# that depends on the exit object
1448		1937
1449	my $rmp = parse_random_map_params $exit->msg;	1938	my $rmp = parse_random_map_params $exit->msg;
1450		1939
1451	if ($exit->map) {	1940	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	1941	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	1942	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	1943	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	1944	$rmp->{origin_y} = $exit->y;
1456	}	1945	}
1457		1946
1458	$rmp->{random_seed} ||= $exit->random_seed;	1947	$rmp->{random_seed} ||= $exit->random_seed;
1459		1948
1460	my $data = cf::to_json $rmp;	1949	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1950	my $md5 = Digest::MD5::md5_hex $data;
		1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1952
1463	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1464	aio_write $fh, 0, (length $data), $data, 0;	1954	aio_write $fh, 0, (length $data), $data, 0;
		1955	undef $fh;
		1956	aio_rename "$meta~", $meta;
1465		1957
1466	$exit->slaying ("?random/$md5");	1958	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1959	$exit->msg (undef);
1468	}	1960	}
1469	}	1961	}
…		…
1471	sub cf::object::player::enter_exit {	1963	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	1964	my ($self, $exit) = @_;
1473		1965
1474	return unless $self->type == cf::PLAYER;	1966	return unless $self->type == cf::PLAYER;
1475		1967
		1968	if ($exit->slaying eq "/!") {
		1969	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1970	cf::sync_job { prepare_random_map $exit };
		1971	}
		1972
		1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1974	my $hp = $exit->stats->hp;
		1975	my $sp = $exit->stats->sp;
		1976
1476	$self->enter_link;	1977	$self->enter_link;
1477		1978
1478	(Coro::async {	1979	(async {
		1980	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	1981	unless (eval {
1480		1982	$self->goto ($slaying, $hp, $sp);
1481	prepare_random_map $exit
1482	if $exit->slaying eq "/!";
1483
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1486		1983
1487	1;	1984	1;
1488	}) {	1985	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	1986	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "I'll try to bring you back to the map you were before. "	1987	. "I'll try to bring you back to the map you were before. "
1491	. "Please report this to the dungeon master",	1988	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	1989	cf::NDI_UNIQUE | cf::NDI_RED);
1493		1990
1494	warn "ERROR in enter_exit: $@";	1991	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	1992	$self->leave_link;
1496	}	1993	}
…		…
1510		2007
1511	sub cf::client::send_drawinfo {	2008	sub cf::client::send_drawinfo {
1512	my ($self, $text, $flags) = @_;	2009	my ($self, $text, $flags) = @_;
1513		2010
1514	utf8::encode $text;	2011	utf8::encode $text;
1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1516	}	2013	}
1517		2014
		2015	=item $client->ext_event ($type, %msg)
		2016
		2017	Sends an exti event to the client.
		2018
		2019	=cut
		2020
		2021	sub cf::client::ext_event($$%) {
		2022	my ($self, $type, %msg) = @_;
		2023
		2024	$msg{msgtype} = "event_$type";
		2025	$self->send_packet ("ext " . cf::to_json \%msg);
		2026	}
1518		2027
1519	=item $success = $client->query ($flags, "text", \&cb)	2028	=item $success = $client->query ($flags, "text", \&cb)
1520		2029
1521	Queues a query to the client, calling the given callback with	2030	Queues a query to the client, calling the given callback with
1522	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1547	on_reply => sub {	2056	on_reply => sub {
1548	my ($ns, $msg) = @_;	2057	my ($ns, $msg) = @_;
1549		2058
1550	# this weird shuffling is so that direct followup queries	2059	# this weird shuffling is so that direct followup queries
1551	# get handled first	2060	# get handled first
1552	my $queue = delete $ns->{query_queue};	2061	my $queue = delete $ns->{query_queue}
		2062	or return; # be conservative, not sure how that can happen, but we saw a crash here
1553		2063
1554	(shift @$queue)->[1]->($msg);	2064	(shift @$queue)->[1]->($msg);
		2065	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2066
1556	push @{ $ns->{query_queue} }, @$queue;	2067	push @{ $ns->{query_queue} }, @$queue;
1557		2068
1558	if (@{ $ns->{query_queue} } == @$queue) {	2069	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2070	if (@$queue) {
…		…
1563	}	2074	}
1564	}	2075	}
1565	},	2076	},
1566	);	2077	);
1567		2078
1568	=item $client->coro (\&cb)	2079	=item $client->async (\&cb)
1569		2080
1570	Create a new coroutine, running the specified callback. The coroutine will	2081	Create a new coroutine, running the specified callback. The coroutine will
1571	be automatically cancelled when the client gets destroyed (e.g. on logout,	2082	be automatically cancelled when the client gets destroyed (e.g. on logout,
1572	or loss of connection).	2083	or loss of connection).
1573		2084
1574	=cut	2085	=cut
1575		2086
1576	sub cf::client::coro {	2087	sub cf::client::async {
1577	my ($self, $cb) = @_;	2088	my ($self, $cb) = @_;
1578		2089
1579	my $coro; $coro = async {	2090	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2091
1586	$coro->on_destroy (sub {	2092	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2093	delete $self->{_coro}{$coro+0};
1588	});	2094	});
1589		2095
…		…
1622		2128
1623	# here we export the classes and methods available to script code	2129	# here we export the classes and methods available to script code
1624		2130
1625	=pod	2131	=pod
1626		2132
1627	The following fucntions and emthods are available within a safe environment:	2133	The following functions and methods are available within a safe environment:
1628		2134
1629	cf::object contr pay_amount pay_player map	2135	cf::object contr pay_amount pay_player map
1630	cf::object::player player	2136	cf::object::player player
1631	cf::player peaceful	2137	cf::player peaceful
1632	cf::map trigger	2138	cf::map trigger
…		…
1725	The parameter C<$family> should best start with the name of the extension	2231	The parameter C<$family> should best start with the name of the extension
1726	using it, it should be unique.	2232	using it, it should be unique.
1727		2233
1728	=over 4	2234	=over 4
1729		2235
1730	=item $hashref = cf::db_get $family
1731
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key	2236	=item $value = cf::db_get $family => $key
1737		2237
1738	Returns a single value from the database	2238	Returns a single value from the database.
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744		2239
1745	=item cf::db_put $family => $key => $value	2240	=item cf::db_put $family => $key => $value
1746		2241
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you	2242	Stores the given C<$value> in the family.
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757		2243
1758	=cut	2244	=cut
1759		2245
1760	our $DB;	2246	our $DB;
1761		2247
1762	{	2248	sub db_init {
		2249	unless ($DB) {
		2250	$DB = BDB::db_create $DB_ENV;
		2251
		2252	cf::sync_job {
		2253	eval {
		2254	$DB->set_flags (BDB::CHKSUM);
		2255
		2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2258	cf::cleanup "db_open(db): $!" if $!;
		2259	};
		2260	cf::cleanup "db_open(db): $@" if $@;
		2261	};
		2262
1763	my $path = cf::localdir . "/database.pst";	2263	my $path = cf::localdir . "/database.pst";
		2264	if (stat $path) {
		2265	cf::sync_job {
		2266	my $pst = Storable::retrieve $path;
1764		2267
1765	sub db_load() {	2268	cf::db_put (board => data => $pst->{board});
1766	warn "loading database $path\n";#d# remove later	2269	cf::db_put (guildrules => data => $pst->{guildrules});
1767	$DB = stat $path ? Storable::retrieve $path : { };	2270	cf::db_put (rent => balance => $pst->{rent}{balance});
1768	}	2271	BDB::db_env_txn_checkpoint $DB_ENV;
1769		2272
1770	my $pid;	2273	unlink $path;
1771
1772	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}	2274	};
1781	}	2275	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});	2276	}
		2277	}
1793		2278
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {	2279	sub db_get($$) {
1800	@_ >= 2	2280	my $key = "$_[0]/$_[1]";
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804		2281
		2282	cf::sync_job {
		2283	BDB::db_get $DB, undef, $key, my $data;
		2284
		2285	$! ? ()
		2286	: Compress::LZF::sthaw $data
		2287	}
		2288	}
		2289
1805	sub db_put($$;$) {	2290	sub db_put($$$) {
1806	if (@_ >= 3) {	2291	BDB::dbreq_pri 4;
1807	$DB->{$_[0]}{$_[1]} = $_[2];	2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2293	}
		2294
		2295	#############################################################################
		2296	# the server's init and main functions
		2297
		2298	sub load_facedata {
		2299	my $path = sprintf "%s/facedata", cf::datadir;
		2300
		2301	warn "loading facedata from $path\n";
		2302
		2303	my $faces;
		2304	0 < aio_load $path, $faces
		2305	or die "$path: $!";
		2306
		2307	Coro::cede;
		2308	$faces = Storable::thaw $faces;
		2309	Coro::cede;
		2310
		2311	my $meta = delete $faces->{""};
		2312	$meta->{version} == 1
		2313	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2320	Coro::cede;
		2321	}
		2322
		2323	while (my ($face, $info) = each %$faces) {
		2324	next unless $info->{smooth};
		2325	my $idx = cf::face::find $face
		2326	or next;
		2327	if (my $smooth = cf::face::find $info->{smooth}) {
		2328	cf::face::set_smooth $idx, $smooth;
1808	} else {	2329	} else {
1809	$DB->{$_[0]} = $_[1];	2330	warn "smooth face '$info->{smooth}' not found for face '$face'";
1810	}
1811	db_dirty;
1812	}
1813
1814	cf::global->attach (
1815	prio => 10000,
1816	on_cleanup => sub {
1817	db_sync;
1818	},	2331	}
1819	);	2332	Coro::cede;
1820	}	2333	}
1821		2334
1822	#############################################################################	2335	1
1823	# the server's main()	2336	}
		2337
		2338	sub reload_resources {
		2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2340	or die "unable to load regions file\n";#d#
		2341	load_facedata
		2342	or die "unable to load facedata\n";#d#
		2343	}
		2344
		2345	sub init {
		2346	reload_resources;
		2347	}
1824		2348
1825	sub cfg_load {	2349	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2350	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2351	or return;
1828		2352
1829	local $/;	2353	local $/;
1830	*CFG = YAML::Syck::Load <$fh>;	2354	*CFG = YAML::Syck::Load <$fh>;
		2355
		2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2357
		2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2360
		2361	if (exists $CFG{mlockall}) {
		2362	eval {
		2363	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2364	and die "WARNING: m(un)lockall failed: $!\n";
		2365	};
		2366	warn $@ if $@;
		2367	}
1831	}	2368	}
1832		2369
1833	sub main {	2370	sub main {
1834	# we must not ever block the main coroutine	2371	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2372	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2374	(async {
1838	Event::one_event;	2375	Event::one_event;
1839	})->();	2376	})->prio (Coro::PRIO_MAX);
1840	};	2377	};
1841		2378
1842	cfg_load;	2379	cfg_load;
1843	db_load;	2380	db_init;
1844	load_extensions;	2381	load_extensions;
		2382
		2383	$TICK_WATCHER->start;
1845	Event::loop;	2384	Event::loop;
1846	}	2385	}
1847		2386
1848	#############################################################################	2387	#############################################################################
1849	# initialisation	2388	# initialisation and cleanup
		2389
		2390	# install some emergency cleanup handlers
		2391	BEGIN {
		2392	for my $signal (qw(INT HUP TERM)) {
		2393	Event->signal (
		2394	reentrant => 0,
		2395	data => WF_AUTOCANCEL,
		2396	signal => $signal,
		2397	prio => 0,
		2398	cb => sub {
		2399	cf::cleanup "SIG$signal";
		2400	},
		2401	);
		2402	}
		2403	}
		2404
		2405	sub emergency_save() {
		2406	my $freeze_guard = cf::freeze_mainloop;
		2407
		2408	warn "enter emergency perl save\n";
		2409
		2410	cf::sync_job {
		2411	# use a peculiar iteration method to avoid tripping on perl
		2412	# refcount bugs in for. also avoids problems with players
		2413	# and maps saved/destroyed asynchronously.
		2414	warn "begin emergency player save\n";
		2415	for my $login (keys %cf::PLAYER) {
		2416	my $pl = $cf::PLAYER{$login} or next;
		2417	$pl->valid or next;
		2418	$pl->save;
		2419	}
		2420	warn "end emergency player save\n";
		2421
		2422	warn "begin emergency map save\n";
		2423	for my $path (keys %cf::MAP) {
		2424	my $map = $cf::MAP{$path} or next;
		2425	$map->valid or next;
		2426	$map->save;
		2427	}
		2428	warn "end emergency map save\n";
		2429
		2430	warn "begin emergency database checkpoint\n";
		2431	BDB::db_env_txn_checkpoint $DB_ENV;
		2432	warn "end emergency database checkpoint\n";
		2433	};
		2434
		2435	warn "leave emergency perl save\n";
		2436	}
		2437
		2438	sub post_cleanup {
		2439	my ($make_core) = @_;
		2440
		2441	warn Carp::longmess "post_cleanup backtrace"
		2442	if $make_core;
		2443	}
1850		2444
1851	sub reload() {	2445	sub reload() {
1852	# can/must only be called in main	2446	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2447	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2448	warn "can only reload from main coroutine";
1855	return;	2449	return;
1856	}	2450	}
1857		2451
1858	warn "reloading...";	2452	warn "reloading...";
1859		2453
1860	local $FREEZE = 1;	2454	warn "entering sync_job";
		2455
		2456	cf::sync_job {
		2457	cf::write_runtime; # external watchdog should not bark
1861	cf::emergency_save;	2458	cf::emergency_save;
		2459	cf::write_runtime; # external watchdog should not bark
1862		2460
1863	eval {	2461	warn "syncing database to disk";
		2462	BDB::db_env_txn_checkpoint $DB_ENV;
		2463
1864	# if anything goes wrong in here, we should simply crash as we already saved	2464	# if anything goes wrong in here, we should simply crash as we already saved
1865		2465
1866	# cancel all watchers	2466	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2467	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2468	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2469	}
1870		2470
		2471	warn "flushing outstanding aio requests";
		2472	for (;;) {
		2473	BDB::flush;
		2474	IO::AIO::flush;
		2475	Coro::cede;
		2476	last unless IO::AIO::nreqs || BDB::nreqs;
		2477	warn "iterate...";
		2478	}
		2479
		2480	++$RELOAD;
		2481
1871	# cancel all extension coros	2482	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2483	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2484	%EXT_CORO = ();
1874		2485
1875	# unload all extensions	2486	warn "removing commands";
1876	for (@exts) {	2487	%COMMAND = ();
		2488
		2489	warn "removing ext commands";
		2490	%EXTCMD = ();
		2491
		2492	warn "unloading/nuking all extensions";
		2493	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2494	warn "... unloading $pkg";
1878	unload_extension $_;	2495
		2496	if (my $cb = $pkg->can ("unload")) {
		2497	eval {
		2498	$cb->($pkg);
		2499	1
		2500	} or warn "$pkg unloaded, but with errors: $@";
1879	}	2501	}
1880		2502
		2503	warn "... nuking $pkg";
		2504	Symbol::delete_package $pkg;
		2505	}
		2506
1881	# unload all modules loaded from $LIBDIR	2507	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2508	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2509	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2510
1885	warn "removing <$k>";	2511	warn "... unloading $k";
1886	delete $INC{$k};	2512	delete $INC{$k};
1887		2513
1888	$k =~ s/\.pm$//;	2514	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2515	$k =~ s/\//::/g;
1890		2516
…		…
1893	}	2519	}
1894		2520
1895	Symbol::delete_package $k;	2521	Symbol::delete_package $k;
1896	}	2522	}
1897		2523
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2524	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2525	Symbol::delete_package "safe::$_"
1904	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1905		2527
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2528	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2529	delete $INC{"cf.pm"};
1911		2530
1912	# don't, removes xs symbols, too,	2531	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2532	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2533	#Symbol::delete_package __PACKAGE__;
1915		2534
1916	# reload cf.pm	2535	warn "unload completed, starting to reload now";
		2536
1917	warn "reloading cf.pm";	2537	warn "reloading cf.pm";
1918	require cf;	2538	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2540
1921	# load config and database again	2541	warn "loading config and database again";
1922	cf::cfg_load;	2542	cf::cfg_load;
1923	cf::db_load;
1924		2543
1925	# load extensions
1926	warn "load extensions";	2544	warn "loading extensions";
1927	cf::load_extensions;	2545	cf::load_extensions;
1928		2546
1929	# reattach attachments to objects	2547	warn "reattaching attachments to objects/players";
1930	warn "reattach";	2548	_global_reattach; # objects, sockets
1931	_global_reattach;	2549	warn "reattaching attachments to maps";
1932	};	2550	reattach $_ for values %MAP;
		2551	warn "reattaching attachments to players";
		2552	reattach $_ for values %PLAYER;
1933		2553
1934	if ($@) {	2554	warn "loading reloadable resources";
		2555	reload_resources;
		2556
		2557	warn "leaving sync_job";
		2558
		2559	1
		2560	} or do {
1935	warn $@;	2561	warn $@;
1936	warn "error while reloading, exiting.";	2562	warn "error while reloading, exiting.";
1937	exit 1;	2563	exit 1;
1938	}	2564	};
1939		2565
1940	warn "reloaded successfully";	2566	warn "reloaded";
1941	};	2567	};
1942		2568
1943	#############################################################################	2569	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2570
1988	register_command "reload" => sub {	2571	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2572	my ($who, $arg) = @_;
1990		2573
1991	if ($who->flag (FLAG_WIZ)) {	2574	if ($who->flag (FLAG_WIZ)) {
1992	$who->message ("start of reload.");	2575	$who->message ("reloading server.");
		2576
		2577	# doing reload synchronously and two reloads happen back-to-back,
		2578	# coro crashes during coro_state_free->destroy here.
		2579
		2580	$RELOAD_WATCHER ||= Event->timer (
		2581	reentrant => 0,
		2582	after => 0,
		2583	data => WF_AUTOCANCEL,
		2584	cb => sub {
1993	reload;	2585	reload;
1994	$who->message ("end of reload.");	2586	undef $RELOAD_WATCHER;
		2587	},
		2588	);
1995	}	2589	}
1996	};	2590	};
1997		2591
1998	unshift @INC, $LIBDIR;	2592	unshift @INC, $LIBDIR;
		2593
		2594	my $bug_warning = 0;
1999		2595
2000	$TICK_WATCHER = Event->timer (	2596	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2597	reentrant => 0,
		2598	parked => 1,
2002	prio => 0,	2599	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2600	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2601	data => WF_AUTOCANCEL,
2005	cb => sub {	2602	cb => sub {
2006	unless ($FREEZE) {	2603	if ($Coro::current != $Coro::main) {
		2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2605	unless ++$bug_warning > 10;
		2606	return;
		2607	}
		2608
		2609	$NOW = Event::time;
		2610
2007	cf::server_tick; # one server iteration	2611	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2612	$RUNTIME += $TICK;
2009	}
2010
2011	$NEXT_TICK += $TICK;	2613	$NEXT_TICK += $TICK;
		2614
		2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2616	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2617	Coro::async_pool {
		2618	write_runtime
		2619	or warn "ERROR: unable to write runtime file: $!";
		2620	};
		2621	}
		2622
		2623	$WAIT_FOR_TICK->broadcast;
		2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2625
		2626	# my $AFTER = Event::time;
		2627	# warn $AFTER - $NOW;#d#
2012		2628
2013	# if we are delayed by four ticks or more, skip them all	2629	# if we are delayed by four ticks or more, skip them all
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2631
2016	$TICK_WATCHER->at ($NEXT_TICK);	2632	$TICK_WATCHER->at ($NEXT_TICK);
2017	$TICK_WATCHER->start;	2633	$TICK_WATCHER->start;
2018	},	2634	},
2019	);	2635	);
2020		2636
		2637	{
2021	IO::AIO::max_poll_time $TICK * 0.2;	2638	BDB::max_poll_time $TICK * 0.1;
2022		2639	$BDB_POLL_WATCHER = Event->io (
2023	Event->io (	2640	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	2641	fd => BDB::poll_fileno,
2025	poll => 'r',	2642	poll => 'r',
2026	prio => 5,	2643	prio => 0,
2027	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,
2029	);
2030
2031	Event->timer (
2032	data => WF_AUTOCANCEL,	2644	data => WF_AUTOCANCEL,
2033	after => 0,	2645	cb => \&BDB::poll_cb,
2034	interval => 10,	2646	);
2035	cb => sub {	2647	BDB::min_parallel 8;
2036	(Coro::unblock_sub {	2648
2037	write_runtime	2649	BDB::set_sync_prepare {
2038	or warn "ERROR: unable to write runtime file: $!";	2650	my $status;
		2651	my $current = $Coro::current;
		2652	(
		2653	sub {
		2654	$status = $!;
		2655	$current->ready; undef $current;
		2656	},
		2657	sub {
		2658	Coro::schedule while defined $current;
		2659	$! = $status;
		2660	},
		2661	)
		2662	};
		2663
		2664	unless ($DB_ENV) {
		2665	$DB_ENV = BDB::db_env_create;
		2666
		2667	cf::sync_job {
		2668	eval {
		2669	BDB::db_env_open
		2670	$DB_ENV,
		2671	$BDB_ENV_DIR,
		2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2674	0666;
		2675
		2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2677
		2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2679	$DB_ENV->set_lk_detect;
		2680	};
		2681
		2682	cf::cleanup "db_env_open(db): $@" if $@;
2039	})->();	2683	};
2040	},	2684	}
2041	);	2685	}
		2686
		2687	{
		2688	IO::AIO::min_parallel 8;
		2689
		2690	undef $Coro::AIO::WATCHER;
		2691	IO::AIO::max_poll_time $TICK * 0.1;
		2692	$AIO_POLL_WATCHER = Event->io (
		2693	reentrant => 0,
		2694	data => WF_AUTOCANCEL,
		2695	fd => IO::AIO::poll_fileno,
		2696	poll => 'r',
		2697	prio => 6,
		2698	cb => \&IO::AIO::poll_cb,
		2699	);
		2700	}
		2701
		2702	END { cf::emergency_save }
2042		2703
2043	1	2704	1
2044		2705

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