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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 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 ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
197	=cut	296	=cut
198		297
199	sub sync_job(&) {	298	sub sync_job(&) {
200	my ($job) = @_;	299	my ($job) = @_;
201		300
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	301	if ($Coro::current == $Coro::main) {
		302	# this is the main coro, too bad, we have to block
		303	# till the operation succeeds, freezing the server :/
		304
212	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	306	# (but this is cancel-safe)
		307	my $freeze_guard = freeze_mainloop;
		308
		309	my $busy = 1;
		310	my @res;
		311
		312	(async {
		313	@res = eval { $job->() };
		314	warn $@ if $@;
		315	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
		317
215	while ($busy) {	318	while ($busy) {
216	Coro::cede_notself;	319	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	320	}
		321
		322	wantarray ? @res : $res[0]
219	} else {	323	} else {
220	$coro->join;	324	# we are in another coroutine, how wonderful, everything just works
		325
		326	$job->()
221	}	327	}
222
223	wantarray ? @res : $res[0]
224	}	328	}
225		329
226	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
227		331
228	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
230		334
231	=cut	335	=cut
232		336
233	sub coro(&) {	337	sub async_ext(&) {
234	my $cb = shift;	338	my $cb = shift;
235		339
236	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		341
243	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
245	});	344	});
246	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
247		346
248	$coro	347	$coro
249	}	348	}
250		349
251	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
252	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
253		354
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
255	or return;	356	or return;
256		357
257	my $value = $cf::RUNTIME;	358	my $value = $cf::RUNTIME + 90 + 10;
		359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;	363	and return;
260		364
		365	# always fsync - this file is important
261	aio_fsync $fh	366	aio_fsync $fh
262	and return;	367	and return;
263		368
264	close $fh	369	close $fh
265	or return;	370	or return;
…		…
271	}	376	}
272		377
273	=back	378	=back
274		379
275	=cut	380	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		381
387	#############################################################################	382	#############################################################################
388		383
389	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
390		385
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	512	our @CB_MAP = ();
518		513
519	my %attachment;	514	my %attachment;
520		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
521	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
523		524
524	use sort 'stable';	525	use sort 'stable';
525		526
…		…
696	# object support	697	# object support
697		698
698	sub reattach {	699	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		704
702	my $registry = $obj->registry;	705	my $registry = $obj->registry;
703		706
704	@$registry = ();	707	@$registry = ();
705		708
…		…
752	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
753		756
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	761	close $fh;
759		762
760	if (@$objs) {	763	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	769	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
768	}	771	}
769	} else {	772	} else {
770	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
798	or return;	801	or return;
799		802
800	unless (aio_stat "$filename.pst") {	803	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	804	(aio_load "$filename.pst", $av) >= 0
802	or return;	805	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	806	$av = eval { (Storable::thaw $av)->{objs} };
804	}	807	}
805		808
		809	warn sprintf "loading %s (%d)\n",
		810	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	811	return ($data, $av);
807	}	812	}
808		813
809	#############################################################################	814	#############################################################################
810	# command handling &c	815	# command handling &c
…		…
835	=cut	840	=cut
836		841
837	sub register_extcmd {	842	sub register_extcmd {
838	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
839		844
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
844	}	846	}
845		847
846	cf::player->attach (	848	cf::player->attach (
847	on_command => sub {	849	on_command => sub {
848	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
861		863
862	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
863		865
864	if (ref $msg) {	866	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	870	}
869	}	871	}
870	} else {	872	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		875
874	cf::override;	876	cf::override;
875	},	877	},
876	);	878	);
877		879
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	880	sub load_extension {
885	my ($path) = @_;	881	my ($path) = @_;
886		882
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	884	my $base = $1;
889	my $pkg = $1;	885	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
892		888
893	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
894		890
895	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
896	or die "$path: $!";	892	or die "$path: $!";
897		893
898	my $source =	894	my $source =
899	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
902	. "\n};\n1";	898	. "\n};\n1";
903		899
904	eval $source	900	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	902	: "extension disabled.\n";
907		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	904	warn $@;
909	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
910		906	exit 1;
911	# no strict 'refs';	907	}
912	# @{"$pkg\::ISA"} = ext::;	908	die $@;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	909	}
927		910
928	# remove commands	911	push @EXTS, $pkg;
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}	912	}
953		913
954	sub load_extensions {	914	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	916	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
961	}	921	}
962	}	922	}
963		923
964	#############################################################################	924	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001		925
1002	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1003		927
1004	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1005		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1006	=head3 cf::player	936	=head3 cf::player
1007		937
1008	=over 4	938	=over 4
1009		939
1010	=item cf::player::exists $login	940	=item cf::player::find $login
1011		941
1012	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1013		943
1014	=cut	944	=cut
1015		945
1016	sub cf::player::exists($) {	946	sub playerdir($) {
1017	cf::player::find $_[0]	947	cf::localdir
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
		954	sub path($) {
		955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		956
		957	(playerdir $login) . "/$login.pl"
		958	}
		959
		960	sub find_active($) {
		961	$cf::PLAYER{$_[0]}
		962	and $cf::PLAYER{$_[0]}->active
		963	and $cf::PLAYER{$_[0]}
		964	}
		965
		966	sub exists($) {
		967	my ($login) = @_;
		968
		969	$cf::PLAYER{$login}
		970	or cf::sync_job { !aio_stat path $login }
		971	}
		972
		973	sub find($) {
		974	return $cf::PLAYER{$_[0]} || do {
		975	my $login = $_[0];
		976
		977	my $guard = cf::lock_acquire "user_find:$login";
		978
		979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
		984	}
		985	}
		986
		987	sub save($) {
		988	my ($pl) = @_;
		989
		990	return if $pl->{deny_save};
		991
		992	my $path = path $pl;
		993	my $guard = cf::lock_acquire "user_save:$path";
		994
		995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
		998	$pl->{last_save} = $cf::RUNTIME;
		999
		1000	$pl->save_pl ($path);
		1001	Coro::cede;
		1002	}
		1003
		1004	sub new($) {
		1005	my ($login) = @_;
		1006
		1007	my $self = create;
		1008
		1009	$self->ob->name ($login);
		1010	$self->{deny_save} = 1;
		1011
		1012	$cf::PLAYER{$login} = $self;
		1013
		1014	$self
		1015	}
		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1019	}	1116	}
1020		1117
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022		1119
1023	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1024		1121
1025	=cut	1122	=cut
1026		1123
1027	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1029		1126
1030	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1031		1128
1032	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1033	}	1130	}
		1131
		1132	package cf;
1034		1133
1035	=back	1134	=back
1036		1135
1037		1136
1038	=head3 cf::map	1137	=head3 cf::map
…		…
1044	package cf::map;	1143	package cf::map;
1045		1144
1046	use Fcntl;	1145	use Fcntl;
1047	use Coro::AIO;	1146	use Coro::AIO;
1048		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1049	our $MAX_RESET = 7200;	1152	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1153	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1154
1054	sub generate_random_map {	1155	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1158	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1300	}
1072		1301
1073	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1074	# all maps in C++...	1303	# all maps in C++...
1075	sub change_all_map_light {	1304	sub change_all_map_light {
1076	my ($change) = @_;	1305	my ($change) = @_;
1077		1306
1078	$_->change_map_light ($change) for values %cf::MAP;	1307	$_->change_map_light ($change)
		1308	for grep $_->outdoor, values %cf::MAP;
1079	}	1309	}
1080		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1081	sub try_load_header($) {	1319	sub load_header_from($) {
1082	my ($path) = @_;	1320	my ($self, $path) = @_;
1083		1321
1084	utf8::encode $path;	1322	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1086	or return;	1327	or return;
1087		1328
1088	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
1089	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1090		1375
1091	$map->load_header ($path)	1376	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1377	}
1099		1378
		1379	sub find;
1100	sub find_map {	1380	sub find {
1101	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1102		1382
1103	#warn "find_map<$path,$origin>\n";#d#	1383	$path = normalise $path, $origin && $origin->path;
1104		1384
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1385	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1386
1108	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1109	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1390	or return;
1124		1391
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1392	$map->{last_save} = $cf::RUNTIME;
1136		1393
1137	$map->reset if $map->should_reset;	1394	$map->load_header
		1395	or return;
1138		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;
		1400	$map->reset;
		1401	undef $guard;
		1402	return find $path;
		1403	}
		1404
1139	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1140	}	1406	}
1141	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1142		1411
1143	sub load {	1412	sub load {
1144	my ($self) = @_;	1413	my ($self) = @_;
1145		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
		1417	my $path = $self->{path};
		1418	my $guard = cf::lock_acquire "map_load:$path";
		1419
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1421
1148	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1149		1423
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1153	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1429	or return;
1155		1430
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1432	if delete $self->{load_original};
1157		1433
1158	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1435	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1437	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1163	}	1439	}
1164	}	1440	}
		1441
		1442	Coro::cede;
1165		1443
1166	# now do the right thing for maps	1444	# now do the right thing for maps
1167	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1168		1446
1169	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1448	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1176	$self->set_darkness_map;	1452	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1179	$self->activate;	1456	$self->activate;
1180	}	1457	}
1181		1458
		1459	$self->post_load;
		1460
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1462	}
1184		1463
1185	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 {
1186	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1187		1499
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1189		1502
1190	cf::sync_job {	1503	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1192	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;
1193	$map->load;	1527	$map->load;
1194	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1195	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1196	}	1537	}
1197		1538
1198	sub save {	1539	sub save {
1199	my ($self) = @_;	1540	my ($self) = @_;
1200		1541
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1543
1204	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1205		1545
1206	return unless $self->dirty;	1546	return unless $self->dirty;
1207		1547
		1548	my $save = $self->save_path; utf8::encode $save;
		1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1550
1208	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1209		1552
1210	return if $self->{deny_save};	1553	return if $self->{deny_save};
1211		1554
1212	warn "saving map ", $self->path;	1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
1213		1560
1214	if ($uniq) {	1561	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1564	} else {
1218	$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);
1219	}	1566	}
1220	}	1567	}
1221		1568
1222	sub swap_out {	1569	sub swap_out {
1223	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;
1224		1576
1225	return if $self->players;	1577	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1579	return if $self->{deny_save};
1228		1580
1229	$self->save;
1230	$self->clear;	1581	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1583	}
1233		1584
		1585	sub reset_at {
		1586	my ($self) = @_;
		1587
		1588	# TODO: safety, remove and allow resettable per-player maps
		1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1590	return 1e99 if $self->{deny_reset};
		1591
		1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1594
		1595	$time + $to
		1596	}
		1597
1234	sub should_reset {	1598	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	1599	my ($self) = @_;
1251		1600
1252	utf8::encode (my $save = $self->{path}->save_path);	1601	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	1602	}
1256		1603
1257	sub reset {	1604	sub reset {
1258	my ($self) = @_;	1605	my ($self) = @_;
1259		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1260	return if $self->players;	1609	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1262		1611
1263	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1264		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1265	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1266		1627
1267	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1268		1629
1269	$self->unlink_save;	1630	$self->unlink_save;
1270	$self->destroy;	1631	$self->destroy;
1271	}	1632	}
1272		1633
1273	sub customise_for {	1634	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1635
1276	if ($map->per_player) {	1636	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1637	my ($self) = @_;
1278	}
1279		1638
1280	$map	1639	delete $cf::MAP{$self->path};
1281	}
1282		1640
1283	sub emergency_save {	1641	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1642
1286	warn "enter emergency map save\n";	1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
		1645	$self->{deny_save} = 1;
		1646	$self->reset_timeout (1);
		1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1648
1288	cf::sync_job {	1649	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1650
1290	$_->save for values %cf::MAP;	1651	$self->reset; # polite request, might not happen
		1652	}
		1653
		1654	=item cf::map::unique_maps
		1655
		1656	Returns an arrayref of paths of all shared maps that have
		1657	instantiated unique items. May block.
		1658
		1659	=cut
		1660
		1661	sub unique_maps() {
		1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
		1664
		1665	my @paths;
		1666
		1667	for (@$files) {
		1668	utf8::decode $_;
		1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1291	};	1673	}
1292		1674
1293	warn "end emergency map save\n";	1675	\@paths
1294	}	1676	}
1295		1677
1296	package cf;	1678	package cf;
1297		1679
1298	=back	1680	=back
1299		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1300		1708
1301	=head3 cf::object::player	1709	=head3 cf::object::player
1302		1710
1303	=over 4	1711	=over 4
1304		1712
…		…
1340	(ref $cf::CFG{"may_$access"}	1748	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1749	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1750	: $cf::CFG{"may_$access"})
1343	}	1751	}
1344		1752
		1753	=item $player_object->enter_link
		1754
		1755	Freezes the player and moves him/her to a special map (C<{link}>).
		1756
		1757	The player should be reasonably safe there for short amounts of time. You
		1758	I<MUST> call C<leave_link> as soon as possible, though.
		1759
		1760	Will never block.
		1761
		1762	=item $player_object->leave_link ($map, $x, $y)
		1763
		1764	Moves the player out of the special C<{link}> map onto the specified
		1765	map. If the map is not valid (or omitted), the player will be moved back
		1766	to the location he/she was before the call to C<enter_link>, or, if that
		1767	fails, to the emergency map position.
		1768
		1769	Might block.
		1770
		1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
		1782
1345	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1784	my ($self) = @_;
1347		1785
1348	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1349		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1791	if $self->map;
1352		1792
1353	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1794	}
1356		1795
1357	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1359		1798
1360	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1361		1800
1362	unless ($map) {	1801	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1802	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1368		1805
1369	unless ($map) {	1806	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1373	}	1810	}
1374	}	1811	}
1375		1812
1376	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1382		1819
1383	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1384		1822
		1823	return unless $self->contr->active;
1385	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1387	}	1828	}
1388		1829
		1830	cf::player->attach (
		1831	on_logout => sub {
		1832	my ($pl) = @_;
		1833
		1834	# abort map switching before logout
		1835	if ($pl->ob->{_link_pos}) {
		1836	cf::sync_job {
		1837	$pl->ob->leave_link
		1838	};
		1839	}
		1840	},
		1841	on_login => sub {
		1842	my ($pl) = @_;
		1843
		1844	# try to abort aborted map switching on player login :)
		1845	# should happen only on crashes
		1846	if ($pl->ob->{_link_pos}) {
		1847	$pl->ob->enter_link;
		1848	(async {
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
		1853	# we need this sleep as the login has a concurrent enter_exit running
		1854	# and this sleep increases chances of the player not ending up in scorn
		1855	Coro::Timer::sleep 1;
		1856	$pl->ob->leave_link;
		1857	})->prio (2);
		1858	}
		1859	},
		1860	);
		1861
1389	=item $player_object->goto_map ($map, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1390		1863
1391	=cut	1864	=cut
1392		1865
1393	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1395		1868
1396	$self->enter_link;	1869	$self->enter_link;
1397		1870
1398	(Coro::async {	1871	(async {
1399	$path = new cf::path $path;	1872	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1875	$map
		1876	} or
		1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1878
1407	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1880	})->prio (1);
1409	}	1881	}
1410		1882
…		…
1414		1886
1415	sub parse_random_map_params {	1887	sub parse_random_map_params {
1416	my ($spec) = @_;	1888	my ($spec) = @_;
1417		1889
1418	my $rmp = { # defaults	1890	my $rmp = { # defaults
1419	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1421	};	1895	};
1422		1896
1423	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1425		1899
…		…
1429	$rmp	1903	$rmp
1430	}	1904	}
1431		1905
1432	sub prepare_random_map {	1906	sub prepare_random_map {
1433	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1910
1435	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1913	# that depends on the exit object
1438		1914
1439	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1440		1916
1441	if ($exit->map) {	1917	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1446	}	1922	}
1447		1923
1448	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1449		1925
1450	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1929
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1455		1934
1456	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1936	$exit->msg (undef);
1458	}	1937	}
1459	}	1938	}
…		…
1461	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1463		1942
1464	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1465		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1466	$self->enter_link;	1954	$self->enter_link;
1467		1955
1468	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1958	unless (eval {
1470		1959	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		1960
1477	1;	1961	1;
1478	}) {	1962	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1967
1484	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1969	$self->leave_link;
1486	}	1970	}
…		…
1500		1984
1501	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1503		1987
1504	utf8::encode $text;	1988	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	1990	}
1507		1991
1508		1992
1509	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1510		1994
…		…
1537	on_reply => sub {	2021	on_reply => sub {
1538	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1539		2023
1540	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1541	# get handled first	2025	# get handled first
1542	my $queue = delete $ns->{query_queue};	2026	my $queue = delete $ns->{query_queue}
		2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2028
1544	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2031
1546	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1547		2033
1548	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2035	if (@$queue) {
…		…
1553	}	2039	}
1554	}	2040	}
1555	},	2041	},
1556	);	2042	);
1557		2043
1558	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1559		2045
1560	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2048	or loss of connection).
1563		2049
1564	=cut	2050	=cut
1565		2051
1566	sub cf::client::coro {	2052	sub cf::client::async {
1567	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1568		2054
1569	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2056
1576	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1578	});	2059	});
1579		2060
…		…
1612		2093
1613	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1614		2095
1615	=pod	2096	=pod
1616		2097
1617	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1618		2099
1619	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1620	cf::object::player player	2101	cf::object::player player
1621	cf::player peaceful	2102	cf::player peaceful
1622	cf::map trigger	2103	cf::map trigger
…		…
1715	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1716	using it, it should be unique.	2197	using it, it should be unique.
1717		2198
1718	=over 4	2199	=over 4
1719		2200
1720	=item $hashref = cf::db_get $family
1721
1722	Return a hashref for use by the extension C<$family>, which can be
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725
1726	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1727		2202
1728	Returns a single value from the database	2203	Returns a single value from the database.
1729
1730	=item cf::db_put $family => $hashref
1731
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734		2204
1735	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1736		2206
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747		2208
1748	=cut	2209	=cut
1749		2210
1750	our $DB;	2211	our $DB;
1751		2212
1752	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1753	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1754		2232
1755	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1756	warn "loading database $path\n";#d# remove later	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1757	$DB = stat $path ? Storable::retrieve $path : { };	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
1758	}	2236	BDB::db_env_txn_checkpoint $DB_ENV;
1759		2237
1760	my $pid;	2238	unlink $path;
1761
1762	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}	2239	};
1771	}	2240	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});	2241	}
		2242	}
1783		2243
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {	2244	sub db_get($$) {
1790	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1795	sub db_put($$;$) {	2255	sub db_put($$$) {
1796	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1797	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
1798	} else {	2293	} else {
1799	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
1800	}
1801	db_dirty;
1802	}
1803
1804	cf::global->attach (
1805	prio => 10000,
1806	on_cleanup => sub {
1807	db_sync;
1808	},	2295	}
1809	);	2296	Coro::cede;
1810	}	2297	}
1811		2298
1812	#############################################################################	2299	1
1813	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
1814		2312
1815	sub cfg_load {	2313	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2315	or return;
1818		2316
1819	local $/;	2317	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2318	*CFG = YAML::Syck::Load <$fh>;
		2319
		2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2321
		2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2324
		2325	if (exists $CFG{mlockall}) {
		2326	eval {
		2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2328	and die "WARNING: m(un)lockall failed: $!\n";
		2329	};
		2330	warn $@ if $@;
		2331	}
1821	}	2332	}
1822		2333
1823	sub main {	2334	sub main {
1824	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2338	(async {
1828	Event::one_event;	2339	Event::one_event;
1829	})->();	2340	})->prio (Coro::PRIO_MAX);
1830	};	2341	};
1831		2342
1832	cfg_load;	2343	cfg_load;
1833	db_load;	2344	db_init;
1834	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
1835	Event::loop;	2348	Event::loop;
1836	}	2349	}
1837		2350
1838	#############################################################################	2351	#############################################################################
1839	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
1840		2408
1841	sub reload() {	2409	sub reload() {
1842	# can/must only be called in main	2410	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
1845	return;	2413	return;
1846	}	2414	}
1847		2415
1848	warn "reloading...";	2416	warn "reloading...";
1849		2417
1850	local $FREEZE = 1;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
1852		2424
1853	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
1854	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
1855		2429
1856	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2433	}
1860		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
1861	# cancel all extension coros	2446	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2448	%EXT_CORO = ();
1864		2449
1865	# unload all extensions	2450	warn "removing commands";
1866	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2458	warn "... unloading $pkg";
1868	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2465	}
1870		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
1871	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2474
1875	warn "removing <$k>";	2475	warn "... unloading $k";
1876	delete $INC{$k};	2476	delete $INC{$k};
1877		2477
1878	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
1880		2480
…		…
1883	}	2483	}
1884		2484
1885	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
1886	}	2486	}
1887		2487
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2491
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
1901		2494
1902	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2496	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
1905		2498
1906	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
1907	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
1908	require cf;	2502	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2504
1911	# load config and database again	2505	warn "loading config and database again";
1912	cf::cfg_load;	2506	cf::cfg_load;
1913	cf::db_load;
1914		2507
1915	# load extensions
1916	warn "load extensions";	2508	warn "loading extensions";
1917	cf::load_extensions;	2509	cf::load_extensions;
1918		2510
1919	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2512	_global_reattach; # objects, sockets
1921	_global_reattach;	2513	warn "reattaching attachments to maps";
1922	};	2514	reattach $_ for values %MAP;
		2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
1923		2517
1924	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
1925	warn $@;	2525	warn $@;
1926	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
1927	exit 1;	2527	exit 1;
1928	}	2528	};
1929		2529
1930	warn "reloaded successfully";	2530	warn "reloaded";
1931	};	2531	};
1932		2532
1933	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
1934
1935	unless ($LINK_MAP) {
1936	$LINK_MAP = cf::map::new;
1937
1938	$LINK_MAP->width (41);
1939	$LINK_MAP->height (41);
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,
1948	cb => sub {
1949	$_[0]->w->cancel;
1950
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});
1969
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2534
1978	register_command "reload" => sub {	2535	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
1980		2537
1981	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
1983	reload;	2549	reload;
1984	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
1985	}	2553	}
1986	};	2554	};
1987		2555
1988	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
1989		2559
1990	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
1992	prio => 0,	2563	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
1995	cb => sub {	2566	cb => sub {
1996	unless ($FREEZE) {	2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
1997	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2002		2592
2003	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2595
2006	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2008	},	2598	},
2009	);	2599	);
2010		2600
		2601	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2012		2603	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2604	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2015	poll => 'r',	2606	poll => 'r',
2016	prio => 5,	2607	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2023	after => 0,	2609	cb => \&BDB::poll_cb,
2024	interval => 10,	2610	);
2025	cb => sub {	2611	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2612
2027	write_runtime	2613	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2647	};
2030	},	2648	}
2031	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
		2665
		2666	END { cf::emergency_save }
2032		2667
2033	1	2668	1
2034		2669

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