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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 1.231 by root, Wed Apr 4 00:02:06 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 $fh
265	or return;	370	or return;
…		…
268	and return;	373	and return;
269		374
270	1	375	1
271	}	376	}
272		377
		378	=item cf::datalog type => key => value, ...
		379
		380	Log a datalog packet of the given type with the given key-value pairs.
		381
		382	=cut
		383
		384	sub datalog($@) {
		385	my ($type, %kv) = @_;
		386	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		387	}
		388
273	=back	389	=back
274		390
275	=cut	391	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($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		392
387	#############################################################################	393	#############################################################################
388		394
389	=head2 ATTACHABLE OBJECTS	395	=head2 ATTACHABLE OBJECTS
390		396
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	522	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	523	our @CB_MAP = ();
518		524
519	my %attachment;	525	my %attachment;
520		526
		527	sub cf::attachable::thawer_merge {
		528	# simply override everything except _meta
		529	local $_[0]{_meta};
		530	%{$_[0]} = %{$_[1]};
		531	}
		532
521	sub _attach_cb($$$$) {	533	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	534	my ($registry, $event, $prio, $cb) = @_;
523		535
524	use sort 'stable';	536	use sort 'stable';
525		537
…		…
696	# object support	708	# object support
697		709
698	sub reattach {	710	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	711	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	712	my ($obj) = @_;
		713
		714	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		715
702	my $registry = $obj->registry;	716	my $registry = $obj->registry;
703		717
704	@$registry = ();	718	@$registry = ();
705		719
…		…
752	$filename, length $$rdata, scalar @$objs;	766	$filename, length $$rdata, scalar @$objs;
753		767
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	769	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	771	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	772	close $fh;
759		773
760	if (@$objs) {	774	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	776	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	777	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	778	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	779	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	780	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	781	aio_rename "$filename.pst~", "$filename.pst";
768	}	782	}
769	} else {	783	} else {
770	aio_unlink "$filename.pst";	784	aio_unlink "$filename.pst";
…		…
798	or return;	812	or return;
799		813
800	unless (aio_stat "$filename.pst") {	814	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	815	(aio_load "$filename.pst", $av) >= 0
802	or return;	816	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	817	$av = eval { (Storable::thaw $av)->{objs} };
804	}	818	}
805		819
		820	warn sprintf "loading %s (%d)\n",
		821	$filename, length $data, scalar @{$av || []};#d#
806	return ($data, $av);	822	return ($data, $av);
807	}	823	}
808		824
809	#############################################################################	825	#############################################################################
810	# command handling &c	826	# command handling &c
…		…
835	=cut	851	=cut
836		852
837	sub register_extcmd {	853	sub register_extcmd {
838	my ($name, $cb) = @_;	854	my ($name, $cb) = @_;
839		855
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	856	$EXTCMD{$name} = $cb;
844	}	857	}
845		858
846	cf::player->attach (	859	cf::player->attach (
847	on_command => sub {	860	on_command => sub {
848	my ($pl, $name, $params) = @_;	861	my ($pl, $name, $params) = @_;
…		…
861		874
862	my $msg = eval { from_json $buf };	875	my $msg = eval { from_json $buf };
863		876
864	if (ref $msg) {	877	if (ref $msg) {
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	879	if (my %reply = $cb->($pl, $msg)) {
867	$pl->ext_reply ($msg->{msgid}, %reply);	880	$pl->ext_reply ($msg->{msgid}, %reply);
868	}	881	}
869	}	882	}
870	} else {	883	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
873		886
874	cf::override;	887	cf::override;
875	},	888	},
876	);	889	);
877		890
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	sub load_extension {	891	sub load_extension {
885	my ($path) = @_;	892	my ($path) = @_;
886		893
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
888	my $base = $1;	895	my $base = $1;
889	my $pkg = $1;	896	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;	897	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";	898	$pkg = "ext::$pkg";
892		899
893	warn "loading '$path' into '$pkg'\n";	900	warn "... loading '$path' into '$pkg'\n";
894		901
895	open my $fh, "<:utf8", $path	902	open my $fh, "<:utf8", $path
896	or die "$path: $!";	903	or die "$path: $!";
897		904
898	my $source =	905	my $source =
899	"package $pkg; use strict; use utf8;\n"	906	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"	907	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })	908	. (do { local $/; <$fh> })
902	. "\n};\n1";	909	. "\n};\n1";
903		910
904	eval $source	911	unless (eval $source) {
905	or die $@ ? "$path: $@\n"	912	my $msg = $@ ? "$path: $@\n"
906	: "extension disabled.\n";	913	: "extension disabled.\n";
907		914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
908	push @exts, $pkg;	915	warn $@;
909	$ext_pkg{$base} = $pkg;	916	warn "mandatory extension failed to load, exiting.\n";
910		917	exit 1;
911	# no strict 'refs';	918	}
912	# @{"$pkg\::ISA"} = ext::;	919	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	# }	920	}
927		921
928	# remove commands	922	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	}	923	}
953		924
954	sub load_extensions {	925	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {	926	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;	927	next unless -r $ext;
…		…
960	} or warn "$ext not loaded: $@";	931	} or warn "$ext not loaded: $@";
961	}	932	}
962	}	933	}
963		934
964	#############################################################################	935	#############################################################################
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		936
1002	=head2 CORE EXTENSIONS	937	=head2 CORE EXTENSIONS
1003		938
1004	Functions and methods that extend core crossfire objects.	939	Functions and methods that extend core crossfire objects.
1005		940
		941	=cut
		942
		943	package cf::player;
		944
		945	use Coro::AIO;
		946
1006	=head3 cf::player	947	=head3 cf::player
1007		948
1008	=over 4	949	=over 4
1009		950
1010	=item cf::player::exists $login	951	=item cf::player::find $login
1011		952
1012	Returns true when the given account exists.	953	Returns the given player object, loading it if necessary (might block).
1013		954
1014	=cut	955	=cut
1015		956
1016	sub cf::player::exists($) {	957	sub playerdir($) {
1017	cf::player::find $_[0]	958	cf::localdir
1018	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])
1019	}	963	}
1020		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
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)	1129	=item $player->ext_reply ($msgid, %msg)
1022		1130
1023	Sends an ext reply to the player.	1131	Sends an ext reply to the player.
1024		1132
1025	=cut	1133	=cut
1026		1134
1027	sub cf::player::ext_reply($$$%) {	1135	sub ext_reply($$%) {
1028	my ($self, $id, %msg) = @_;	1136	my ($self, $id, %msg) = @_;
1029		1137
1030	$msg{msgid} = $id;	1138	$msg{msgid} = $id;
1031		1139
1032	$self->send ("ext " . to_json \%msg);	1140	$self->send ("ext " . cf::to_json \%msg);
1033	}	1141	}
		1142
		1143	=item $player->ext_event ($type, %msg)
		1144
		1145	Sends an ext event to the client.
		1146
		1147	=cut
		1148
		1149	sub ext_event($$%) {
		1150	my ($self, $type, %msg) = @_;
		1151
		1152	delete $msg{msgid};
		1153	$msg{msgtype} = "event";
		1154	$msg{eventtype} = $type;
		1155
		1156	$self->send ("ext " . cf::to_json \%msg);
		1157	}
		1158
		1159	package cf;
1034		1160
1035	=back	1161	=back
1036		1162
1037		1163
1038	=head3 cf::map	1164	=head3 cf::map
…		…
1044	package cf::map;	1170	package cf::map;
1045		1171
1046	use Fcntl;	1172	use Fcntl;
1047	use Coro::AIO;	1173	use Coro::AIO;
1048		1174
		1175	use overload
		1176	'""' => \&as_string,
		1177	fallback => 1;
		1178
1049	our $MAX_RESET = 7200;	1179	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1180	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1181
1054	sub generate_random_map {	1182	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1183	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1184	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1185	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1186	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1187	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1188	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1189	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1190	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1191	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1192	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1193	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1194	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1195	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1196	(cf::region::find $rmp->{region}), $rmp->{custom}
		1197	)
		1198	}
		1199
		1200	=item cf::map->register ($regex, $prio)
		1201
		1202	Register a handler for the map path matching the given regex at the
		1203	givne priority (higher is better, built-in handlers have priority 0, the
		1204	default).
		1205
		1206	=cut
		1207
		1208	sub register {
		1209	my (undef, $regex, $prio) = @_;
		1210	my $pkg = caller;
		1211
		1212	no strict;
		1213	push @{"$pkg\::ISA"}, __PACKAGE__;
		1214
		1215	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1216	}
		1217
		1218	# also paths starting with '/'
		1219	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1220
		1221	sub thawer_merge {
		1222	my ($self, $merge) = @_;
		1223
		1224	# we have to keep some variables in memory intact
		1225	local $self->{path};
		1226	local $self->{load_path};
		1227	local $self->{deny_save};
		1228	local $self->{deny_reset};
		1229
		1230	$self->SUPER::thawer_merge ($merge);
		1231	}
		1232
		1233	sub normalise {
		1234	my ($path, $base) = @_;
		1235
		1236	$path = "$path"; # make sure its a string
		1237
		1238	$path =~ s/\.map$//;
		1239
		1240	# map plan:
		1241	#
		1242	# /! non-realised random map exit (special hack!)
		1243	# {... are special paths that are not being touched
		1244	# ?xxx/... are special absolute paths
		1245	# ?random/... random maps
		1246	# /... normal maps
		1247	# ~user/... per-player map of a specific user
		1248
		1249	$path =~ s/$PATH_SEP/\//go;
		1250
		1251	# treat it as relative path if it starts with
		1252	# something that looks reasonable
		1253	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1254	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1255
		1256	$base =~ s{[^/]+/?$}{};
		1257	$path = "$base/$path";
		1258	}
		1259
		1260	for ($path) {
		1261	redo if s{//}{/};
		1262	redo if s{/\.?/}{/};
		1263	redo if s{/[^/]+/\.\./}{/};
		1264	}
		1265
		1266	$path
		1267	}
		1268
		1269	sub new_from_path {
		1270	my (undef, $path, $base) = @_;
		1271
		1272	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1273
		1274	$path = normalise $path, $base;
		1275
		1276	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1277	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1278	my $self = bless cf::map::new, $pkg;
		1279	$self->{path} = $path; $self->path ($path);
		1280	$self->init; # pass $1 etc.
		1281	return $self;
		1282	}
		1283	}
		1284
		1285	Carp::carp "unable to resolve path '$path' (base '$base').";
		1286	()
		1287	}
		1288
		1289	sub init {
		1290	my ($self) = @_;
		1291
		1292	$self
		1293	}
		1294
		1295	sub as_string {
		1296	my ($self) = @_;
		1297
		1298	"$self->{path}"
		1299	}
		1300
		1301	# the displayed name, this is a one way mapping
		1302	sub visible_name {
		1303	&as_string
		1304	}
		1305
		1306	# the original (read-only) location
		1307	sub load_path {
		1308	my ($self) = @_;
		1309
		1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1311	}
		1312
		1313	# the temporary/swap location
		1314	sub save_path {
		1315	my ($self) = @_;
		1316
		1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1319	}
		1320
		1321	# the unique path, undef == no special unique path
		1322	sub uniq_path {
		1323	my ($self) = @_;
		1324
		1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1071	}	1327	}
1072		1328
1073	# and all this just because we cannot iterate over	1329	# and all this just because we cannot iterate over
1074	# all maps in C++...	1330	# all maps in C++...
1075	sub change_all_map_light {	1331	sub change_all_map_light {
1076	my ($change) = @_;	1332	my ($change) = @_;
1077		1333
1078	$_->change_map_light ($change) for values %cf::MAP;	1334	$_->change_map_light ($change)
		1335	for grep $_->outdoor, values %cf::MAP;
1079	}	1336	}
1080		1337
		1338	sub unlink_save {
		1339	my ($self) = @_;
		1340
		1341	utf8::encode (my $save = $self->save_path);
		1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1343	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1344	}
		1345
1081	sub try_load_header($) {	1346	sub load_header_from($) {
1082	my ($path) = @_;	1347	my ($self, $path) = @_;
1083		1348
1084	utf8::encode $path;	1349	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1350	#aio_open $path, O_RDONLY, 0
		1351	# or return;
		1352
		1353	$self->_load_header ($path)
1086	or return;	1354	or return;
1087		1355
1088	my $map = cf::map::new	1356	$self->{load_path} = $path;
		1357
		1358	1
		1359	}
		1360
		1361	sub load_header_orig {
		1362	my ($self) = @_;
		1363
		1364	$self->load_header_from ($self->load_path)
		1365	}
		1366
		1367	sub load_header_temp {
		1368	my ($self) = @_;
		1369
		1370	$self->load_header_from ($self->save_path)
		1371	}
		1372
		1373	sub prepare_temp {
		1374	my ($self) = @_;
		1375
		1376	$self->last_access ((delete $self->{last_access})
		1377	|| $cf::RUNTIME); #d#
		1378	# safety
		1379	$self->{instantiate_time} = $cf::RUNTIME
		1380	if $self->{instantiate_time} > $cf::RUNTIME;
		1381	}
		1382
		1383	sub prepare_orig {
		1384	my ($self) = @_;
		1385
		1386	$self->{load_original} = 1;
		1387	$self->{instantiate_time} = $cf::RUNTIME;
		1388	$self->last_access ($cf::RUNTIME);
		1389	$self->instantiate;
		1390	}
		1391
		1392	sub load_header {
		1393	my ($self) = @_;
		1394
		1395	if ($self->load_header_temp) {
		1396	$self->prepare_temp;
		1397	} else {
		1398	$self->load_header_orig
1089	or return;	1399	or return;
		1400	$self->prepare_orig;
		1401	}
1090		1402
1091	$map->load_header ($path)	1403	1
1092	or return;
1093
1094	$map->{load_path} = $path;
1095	use Data::Dumper; warn Dumper $map;#d#
1096
1097	$map
1098	}	1404	}
1099		1405
		1406	sub find;
1100	sub find_map {	1407	sub find {
1101	my ($path, $origin) = @_;	1408	my ($path, $origin) = @_;
1102		1409
1103	#warn "find_map<$path,$origin>\n";#d#	1410	$path = normalise $path, $origin && $origin->path;
1104		1411
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1412	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1413
1108	$cf::MAP{$key} || do {	1414	$cf::MAP{$path} || do {
1109	# do it the slow way	1415	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1416	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;	1417	or return;
1124		1418
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);	1419	$map->{last_save} = $cf::RUNTIME;
1136		1420
1137	$map->reset if $map->should_reset;	1421	$map->load_header
		1422	or return;
1138		1423
		1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1425	# doing this can freeze the server in a sync job, obviously
		1426	#$cf::WAIT_FOR_TICK->wait;
		1427	$map->reset;
		1428	undef $guard;
		1429	return find $path;
		1430	}
		1431
1139	$cf::MAP{$key} = $map	1432	$cf::MAP{$path} = $map
1140	}	1433	}
1141	}	1434	}
		1435
		1436	sub pre_load { }
		1437	sub post_load { }
1142		1438
1143	sub load {	1439	sub load {
1144	my ($self) = @_;	1440	my ($self) = @_;
1145		1441
		1442	local $self->{deny_reset} = 1; # loading can take a long time
		1443
		1444	my $path = $self->{path};
		1445	my $guard = cf::lock_acquire "map_load:$path";
		1446
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1447	return if $self->in_memory != cf::MAP_SWAPPED;
1147		1448
1148	$self->in_memory (cf::MAP_LOADING);	1449	$self->in_memory (cf::MAP_LOADING);
1149		1450
1150	my $path = $self->{path};
1151
1152	$self->alloc;	1451	$self->alloc;
		1452
		1453	$self->pre_load;
		1454
1153	$self->load_objects ($self->{load_path}, 1)	1455	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1456	or return;
1155		1457
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1459	if delete $self->{load_original};
1157		1460
1158	if (my $uniq = $path->uniq_path) {	1461	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1462	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1463	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1464	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1465	$self->_load_objects ($uniq, 0);
1163	}	1466	}
1164	}	1467	}
		1468
		1469	Coro::cede;
1165		1470
1166	# now do the right thing for maps	1471	# now do the right thing for maps
1167	$self->link_multipart_objects;	1472	$self->link_multipart_objects;
1168		1473
1169	if ($self->{path}->is_style_map) {	1474	unless ($self->{deny_activate}) {
1170	$self->{deny_save} = 1;	1475	$self->decay_objects;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;	1476	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;	1477	$self->update_buttons;
		1478	Coro::cede;
1176	$self->set_darkness_map;	1479	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1480	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1481	unless $self->difficulty;
		1482	Coro::cede;
1179	$self->activate;	1483	$self->activate;
1180	}	1484	}
1181		1485
		1486	$self->post_load;
		1487
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1488	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1489	}
1184		1490
1185	sub load_map_sync {	1491	sub customise_for {
		1492	my ($self, $ob) = @_;
		1493
		1494	return find "~" . $ob->name . "/" . $self->{path}
		1495	if $self->per_player;
		1496
		1497	$self
		1498	}
		1499
		1500	# find and load all maps in the 3x3 area around a map
		1501	sub load_diag {
		1502	my ($map) = @_;
		1503
		1504	my @diag; # diagonal neighbours
		1505
		1506	for (0 .. 3) {
		1507	my $neigh = $map->tile_path ($_)
		1508	or next;
		1509	$neigh = find $neigh, $map
		1510	or next;
		1511	$neigh->load;
		1512
		1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1515	}
		1516
		1517	for (@diag) {
		1518	my $neigh = find @$_
		1519	or next;
		1520	$neigh->load;
		1521	}
		1522	}
		1523
		1524	sub find_sync {
1186	my ($path, $origin) = @_;	1525	my ($path, $origin) = @_;
1187		1526
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1527	cf::sync_job { find $path, $origin }
		1528	}
1189		1529
1190	cf::sync_job {	1530	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1531	my ($map) = @_;
1192	or return;	1532
		1533	cf::sync_job { $map->load };
		1534	}
		1535
		1536	our %MAP_PREFETCH;
		1537	our $MAP_PREFETCHER = undef;
		1538
		1539	sub find_async {
		1540	my ($path, $origin) = @_;
		1541
		1542	$path = normalise $path, $origin && $origin->{path};
		1543
		1544	if (my $map = $cf::MAP{$path}) {
		1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1546	}
		1547
		1548	undef $MAP_PREFETCH{$path};
		1549	$MAP_PREFETCHER ||= cf::async {
		1550	while (%MAP_PREFETCH) {
		1551	for my $path (keys %MAP_PREFETCH) {
		1552	my $map = find $path
		1553	or next;
1193	$map->load;	1554	$map->load;
1194	$map	1555
		1556	delete $MAP_PREFETCH{$path};
		1557	}
		1558	}
		1559	undef $MAP_PREFETCHER;
1195	}	1560	};
		1561	$MAP_PREFETCHER->prio (6);
		1562
		1563	()
1196	}	1564	}
1197		1565
1198	sub save {	1566	sub save {
1199	my ($self) = @_;	1567	my ($self) = @_;
1200		1568
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1569	my $lock = cf::lock_acquire "map_data:" . $self->path;
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1570
1204	$self->{last_save} = $cf::RUNTIME;	1571	$self->{last_save} = $cf::RUNTIME;
1205		1572
1206	return unless $self->dirty;	1573	return unless $self->dirty;
1207		1574
		1575	my $save = $self->save_path; utf8::encode $save;
		1576	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1577
1208	$self->{load_path} = $save;	1578	$self->{load_path} = $save;
1209		1579
1210	return if $self->{deny_save};	1580	return if $self->{deny_save};
1211		1581
1212	warn "saving map ", $self->path;	1582	local $self->{last_access} = $self->last_access;#d#
		1583
		1584	cf::async {
		1585	$_->contr->save for $self->players;
		1586	};
1213		1587
1214	if ($uniq) {	1588	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	1590	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	1591	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1592	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	1593	}
1220	}	1594	}
1221		1595
1222	sub swap_out {	1596	sub swap_out {
1223	my ($self) = @_;	1597	my ($self) = @_;
		1598
		1599	# save first because save cedes
		1600	$self->save;
		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1224		1603
1225	return if $self->players;	1604	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	1605	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	1606	return if $self->{deny_save};
1228		1607
1229	$self->save;
1230	$self->clear;	1608	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	1609	$self->in_memory (cf::MAP_SWAPPED);
1232	}	1610	}
1233		1611
		1612	sub reset_at {
		1613	my ($self) = @_;
		1614
		1615	# TODO: safety, remove and allow resettable per-player maps
		1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
		1617	return 1e99 if $self->{deny_reset};
		1618
		1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		1621
		1622	$time + $to
		1623	}
		1624
1234	sub should_reset {	1625	sub should_reset {
1235	my ($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) = @_;	1626	my ($self) = @_;
1251		1627
1252	utf8::encode (my $save = $self->{path}->save_path);	1628	$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	}	1629	}
1256		1630
1257	sub reset {	1631	sub reset {
1258	my ($self) = @_;	1632	my ($self) = @_;
1259		1633
		1634	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1635
1260	return if $self->players;	1636	return if $self->players;
1261	return if $self->{path}{user_rel};#d#	1637	return if $self->isa ("ext::map_per_player");#d#
1262		1638
1263	warn "resetting map ", $self->path;#d#	1639	warn "resetting map ", $self->path;#d#
1264		1640
		1641	$self->in_memory (cf::MAP_SWAPPED);
		1642
		1643	# need to save uniques path
		1644	unless ($self->{deny_save}) {
		1645	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1646
		1647	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1648	if $uniq;
		1649	}
		1650
1265	delete $cf::MAP{$self->path};	1651	delete $cf::MAP{$self->path};
		1652
		1653	$self->clear;
1266		1654
1267	$_->clear_links_to ($self) for values %cf::MAP;	1655	$_->clear_links_to ($self) for values %cf::MAP;
1268		1656
1269	$self->unlink_save;	1657	$self->unlink_save;
1270	$self->destroy;	1658	$self->destroy;
1271	}	1659	}
1272		1660
1273	sub customise_for {	1661	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		1662
1276	if ($map->per_player) {	1663	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1664	my ($self) = @_;
1278	}
1279		1665
1280	$map	1666	delete $cf::MAP{$self->path};
1281	}
1282		1667
1283	sub emergency_save {	1668	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		1669
1286	warn "enter emergency map save\n";	1670	bless $self, "cf::map";
		1671	delete $self->{deny_reset};
		1672	$self->{deny_save} = 1;
		1673	$self->reset_timeout (1);
		1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		1675
1288	cf::sync_job {	1676	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";	1677
1290	$_->save for values %cf::MAP;	1678	$self->reset; # polite request, might not happen
		1679	}
		1680
		1681	=item cf::map::unique_maps
		1682
		1683	Returns an arrayref of paths of all shared maps that have
		1684	instantiated unique items. May block.
		1685
		1686	=cut
		1687
		1688	sub unique_maps() {
		1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1690	or return;
		1691
		1692	my @paths;
		1693
		1694	for (@$files) {
		1695	utf8::decode $_;
		1696	next if /\.pst$/;
		1697	next unless /^$PATH_SEP/o;
		1698
		1699	push @paths, cf::map::normalise $_;
1291	};	1700	}
1292		1701
1293	warn "end emergency map save\n";	1702	\@paths
1294	}	1703	}
1295		1704
1296	package cf;	1705	package cf;
1297		1706
1298	=back	1707	=back
1299		1708
		1709	=head3 cf::object
		1710
		1711	=cut
		1712
		1713	package cf::object;
		1714
		1715	=over 4
		1716
		1717	=item $ob->inv_recursive
		1718
		1719	Returns the inventory of the object _and_ their inventories, recursively.
		1720
		1721	=cut
		1722
		1723	sub inv_recursive_;
		1724	sub inv_recursive_ {
		1725	map { $_, inv_recursive_ $_->inv } @_
		1726	}
		1727
		1728	sub inv_recursive {
		1729	inv_recursive_ inv $_[0]
		1730	}
		1731
		1732	package cf;
		1733
		1734	=back
1300		1735
1301	=head3 cf::object::player	1736	=head3 cf::object::player
1302		1737
1303	=over 4	1738	=over 4
1304		1739
…		…
1340	(ref $cf::CFG{"may_$access"}	1775	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1776	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	1777	: $cf::CFG{"may_$access"})
1343	}	1778	}
1344		1779
		1780	=item $player_object->enter_link
		1781
		1782	Freezes the player and moves him/her to a special map (C<{link}>).
		1783
		1784	The player should be reasonably safe there for short amounts of time. You
		1785	I<MUST> call C<leave_link> as soon as possible, though.
		1786
		1787	Will never block.
		1788
		1789	=item $player_object->leave_link ($map, $x, $y)
		1790
		1791	Moves the player out of the special C<{link}> map onto the specified
		1792	map. If the map is not valid (or omitted), the player will be moved back
		1793	to the location he/she was before the call to C<enter_link>, or, if that
		1794	fails, to the emergency map position.
		1795
		1796	Might block.
		1797
		1798	=cut
		1799
		1800	sub link_map {
		1801	unless ($LINK_MAP) {
		1802	$LINK_MAP = cf::map::find "{link}"
		1803	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1804	$LINK_MAP->load;
		1805	}
		1806
		1807	$LINK_MAP
		1808	}
		1809
1345	sub cf::object::player::enter_link {	1810	sub cf::object::player::enter_link {
1346	my ($self) = @_;	1811	my ($self) = @_;
1347		1812
1348	return if $self->map == $LINK_MAP;	1813	$self->deactivate_recursive;
1349		1814
		1815	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1816
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;	1818	if $self->map;
1352		1819
1353	$self->enter_map ($LINK_MAP, 20, 20);	1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1354	$self->deactivate_recursive;
1355	}	1821	}
1356		1822
1357	sub cf::object::player::leave_link {	1823	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	1824	my ($self, $map, $x, $y) = @_;
1359		1825
1360	my $link_pos = delete $self->{_link_pos};	1826	my $link_pos = delete $self->{_link_pos};
1361		1827
1362	unless ($map) {	1828	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	1829	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	1830	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	1831	$map = cf::map::find $map;
1368		1832
1369	unless ($map) {	1833	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	1834	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	1835	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	1836	or die "FATAL: cannot load emergency map\n";
1373	}	1837	}
1374	}	1838	}
1375		1839
1376	($x, $y) = (-1, -1)	1840	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	1843	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	1844	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	1845	if $x <=0 && $y <= 0;
1382		1846
1383	$map->load;	1847	$map->load;
		1848	$map->load_diag;
1384		1849
		1850	return unless $self->contr->active;
1385	$self->activate_recursive;	1851	$self->activate_recursive;
		1852
		1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	1854	$self->enter_map ($map, $x, $y);
1387	}	1855	}
1388		1856
		1857	cf::player->attach (
		1858	on_logout => sub {
		1859	my ($pl) = @_;
		1860
		1861	# abort map switching before logout
		1862	if ($pl->ob->{_link_pos}) {
		1863	cf::sync_job {
		1864	$pl->ob->leave_link
		1865	};
		1866	}
		1867	},
		1868	on_login => sub {
		1869	my ($pl) = @_;
		1870
		1871	# try to abort aborted map switching on player login :)
		1872	# should happen only on crashes
		1873	if ($pl->ob->{_link_pos}) {
		1874	$pl->ob->enter_link;
		1875	(async {
		1876	$pl->ob->reply (undef,
		1877	"There was an internal problem at your last logout, "
		1878	. "the server will try to bring you to your intended destination in a second.",
		1879	cf::NDI_RED);
		1880	# we need this sleep as the login has a concurrent enter_exit running
		1881	# and this sleep increases chances of the player not ending up in scorn
		1882	Coro::Timer::sleep 1;
		1883	$pl->ob->leave_link;
		1884	})->prio (2);
		1885	}
		1886	},
		1887	);
		1888
1389	=item $player_object->goto_map ($map, $x, $y)	1889	=item $player_object->goto ($path, $x, $y)
1390		1890
1391	=cut	1891	=cut
1392		1892
1393	sub cf::object::player::goto_map {	1893	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	1894	my ($self, $path, $x, $y) = @_;
1395		1895
1396	$self->enter_link;	1896	$self->enter_link;
1397		1897
1398	(Coro::async {	1898	(async {
1399	$path = new cf::path $path;	1899	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	1900	my $map = cf::map::find $path;
1402	$map = $map->customise_for ($self) if $map;	1901	$map = $map->customise_for ($self) if $map;
1403
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	1902	$map
		1903	} or
		1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1406		1905
1407	$self->leave_link ($map, $x, $y);	1906	$self->leave_link ($map, $x, $y);
1408	})->prio (1);	1907	})->prio (1);
1409	}	1908	}
1410		1909
…		…
1414		1913
1415	sub parse_random_map_params {	1914	sub parse_random_map_params {
1416	my ($spec) = @_;	1915	my ($spec) = @_;
1417		1916
1418	my $rmp = { # defaults	1917	my $rmp = { # defaults
1419	xsize => 10,	1918	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	1919	ysize => (cf::rndm 15, 40),
		1920	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1921	#layout => string,
1421	};	1922	};
1422		1923
1423	for (split /\n/, $spec) {	1924	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	1925	my ($k, $v) = split /\s+/, $_, 2;
1425		1926
…		…
1429	$rmp	1930	$rmp
1430	}	1931	}
1431		1932
1432	sub prepare_random_map {	1933	sub prepare_random_map {
1433	my ($exit) = @_;	1934	my ($exit) = @_;
		1935
		1936	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		1937
1435	# all this does is basically replace the /! path by	1938	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	1939	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	1940	# that depends on the exit object
1438		1941
1439	my $rmp = parse_random_map_params $exit->msg;	1942	my $rmp = parse_random_map_params $exit->msg;
1440		1943
1441	if ($exit->map) {	1944	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	1945	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	1946	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	1947	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	1948	$rmp->{origin_y} = $exit->y;
1446	}	1949	}
1447		1950
1448	$rmp->{random_seed} ||= $exit->random_seed;	1951	$rmp->{random_seed} ||= $exit->random_seed;
1449		1952
1450	my $data = cf::to_json $rmp;	1953	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	1954	my $md5 = Digest::MD5::md5_hex $data;
		1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1452		1956
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	1958	aio_write $fh, 0, (length $data), $data, 0;
		1959	undef $fh;
		1960	aio_rename "$meta~", $meta;
1455		1961
1456	$exit->slaying ("?random/$md5");	1962	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	1963	$exit->msg (undef);
1458	}	1964	}
1459	}	1965	}
…		…
1461	sub cf::object::player::enter_exit {	1967	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	1968	my ($self, $exit) = @_;
1463		1969
1464	return unless $self->type == cf::PLAYER;	1970	return unless $self->type == cf::PLAYER;
1465		1971
		1972	if ($exit->slaying eq "/!") {
		1973	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1974	cf::sync_job { prepare_random_map $exit };
		1975	}
		1976
		1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1978	my $hp = $exit->stats->hp;
		1979	my $sp = $exit->stats->sp;
		1980
1466	$self->enter_link;	1981	$self->enter_link;
1467		1982
1468	(Coro::async {	1983	(async {
		1984	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	1985	unless (eval {
1470		1986	$self->goto ($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		1987
1477	1;	1988	1;
1478	}) {	1989	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	1990	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	1991	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	1992	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	1993	cf::NDI_UNIQUE | cf::NDI_RED);
1483		1994
1484	warn "ERROR in enter_exit: $@";	1995	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	1996	$self->leave_link;
1486	}	1997	}
…		…
1500		2011
1501	sub cf::client::send_drawinfo {	2012	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	2013	my ($self, $text, $flags) = @_;
1503		2014
1504	utf8::encode $text;	2015	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	2017	}
1507		2018
1508		2019
1509	=item $success = $client->query ($flags, "text", \&cb)	2020	=item $success = $client->query ($flags, "text", \&cb)
1510		2021
…		…
1537	on_reply => sub {	2048	on_reply => sub {
1538	my ($ns, $msg) = @_;	2049	my ($ns, $msg) = @_;
1539		2050
1540	# this weird shuffling is so that direct followup queries	2051	# this weird shuffling is so that direct followup queries
1541	# get handled first	2052	# get handled first
1542	my $queue = delete $ns->{query_queue};	2053	my $queue = delete $ns->{query_queue}
		2054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2055
1544	(shift @$queue)->[1]->($msg);	2056	(shift @$queue)->[1]->($msg);
		2057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2058
1546	push @{ $ns->{query_queue} }, @$queue;	2059	push @{ $ns->{query_queue} }, @$queue;
1547		2060
1548	if (@{ $ns->{query_queue} } == @$queue) {	2061	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2062	if (@$queue) {
…		…
1553	}	2066	}
1554	}	2067	}
1555	},	2068	},
1556	);	2069	);
1557		2070
1558	=item $client->coro (\&cb)	2071	=item $client->async (\&cb)
1559		2072
1560	Create a new coroutine, running the specified callback. The coroutine will	2073	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2074	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2075	or loss of connection).
1563		2076
1564	=cut	2077	=cut
1565		2078
1566	sub cf::client::coro {	2079	sub cf::client::async {
1567	my ($self, $cb) = @_;	2080	my ($self, $cb) = @_;
1568		2081
1569	my $coro; $coro = async {	2082	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2083
1576	$coro->on_destroy (sub {	2084	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2085	delete $self->{_coro}{$coro+0};
1578	});	2086	});
1579		2087
…		…
1612		2120
1613	# here we export the classes and methods available to script code	2121	# here we export the classes and methods available to script code
1614		2122
1615	=pod	2123	=pod
1616		2124
1617	The following fucntions and emthods are available within a safe environment:	2125	The following functions and methods are available within a safe environment:
1618		2126
1619	cf::object contr pay_amount pay_player map	2127	cf::object contr pay_amount pay_player map
1620	cf::object::player player	2128	cf::object::player player
1621	cf::player peaceful	2129	cf::player peaceful
1622	cf::map trigger	2130	cf::map trigger
…		…
1715	The parameter C<$family> should best start with the name of the extension	2223	The parameter C<$family> should best start with the name of the extension
1716	using it, it should be unique.	2224	using it, it should be unique.
1717		2225
1718	=over 4	2226	=over 4
1719		2227
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	2228	=item $value = cf::db_get $family => $key
1727		2229
1728	Returns a single value from the database	2230	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		2231
1735	=item cf::db_put $family => $key => $value	2232	=item cf::db_put $family => $key => $value
1736		2233
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you	2234	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		2235
1748	=cut	2236	=cut
1749		2237
1750	our $DB;	2238	our $DB;
1751		2239
1752	{	2240	sub db_init {
		2241	unless ($DB) {
		2242	$DB = BDB::db_create $DB_ENV;
		2243
		2244	cf::sync_job {
		2245	eval {
		2246	$DB->set_flags (BDB::CHKSUM);
		2247
		2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2250	cf::cleanup "db_open(db): $!" if $!;
		2251	};
		2252	cf::cleanup "db_open(db): $@" if $@;
		2253	};
		2254
1753	my $path = cf::localdir . "/database.pst";	2255	my $path = cf::localdir . "/database.pst";
		2256	if (stat $path) {
		2257	cf::sync_job {
		2258	my $pst = Storable::retrieve $path;
1754		2259
1755	sub db_load() {	2260	cf::db_put (board => data => $pst->{board});
1756	warn "loading database $path\n";#d# remove later	2261	cf::db_put (guildrules => data => $pst->{guildrules});
1757	$DB = stat $path ? Storable::retrieve $path : { };	2262	cf::db_put (rent => balance => $pst->{rent}{balance});
1758	}	2263	BDB::db_env_txn_checkpoint $DB_ENV;
1759		2264
1760	my $pid;	2265	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	}	2266	};
1771	}	2267	}
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	});	2268	}
		2269	}
1783		2270
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}
1788
1789	sub db_get($;$) {	2271	sub db_get($$) {
1790	@_ >= 2	2272	my $key = "$_[0]/$_[1]";
1791	? $DB->{$_[0]}{$_[1]}
1792	: ($DB->{$_[0]} ||= { })
1793	}
1794		2273
		2274	cf::sync_job {
		2275	BDB::db_get $DB, undef, $key, my $data;
		2276
		2277	$! ? ()
		2278	: Compress::LZF::sthaw $data
		2279	}
		2280	}
		2281
1795	sub db_put($$;$) {	2282	sub db_put($$$) {
1796	if (@_ >= 3) {	2283	BDB::dbreq_pri 4;
1797	$DB->{$_[0]}{$_[1]} = $_[2];	2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2285	}
		2286
		2287	#############################################################################
		2288	# the server's init and main functions
		2289
		2290	sub load_facedata {
		2291	my $path = sprintf "%s/facedata", cf::datadir;
		2292
		2293	warn "loading facedata from $path\n";
		2294
		2295	my $faces;
		2296	0 < aio_load $path, $faces
		2297	or die "$path: $!";
		2298
		2299	Coro::cede;
		2300	$faces = Storable::thaw $faces;
		2301	Coro::cede;
		2302
		2303	my $meta = delete $faces->{""};
		2304	$meta->{version} == 1
		2305	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2306
		2307	while (my ($face, $info) = each %$faces) {
		2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2312	Coro::cede;
		2313	}
		2314
		2315	while (my ($face, $info) = each %$faces) {
		2316	next unless $info->{smooth};
		2317	my $idx = cf::face::find $face
		2318	or next;
		2319	if (my $smooth = cf::face::find $info->{smooth}) {
		2320	cf::face::set_smooth $idx, $smooth;
1798	} else {	2321	} else {
1799	$DB->{$_[0]} = $_[1];	2322	warn "smooth face '$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	},	2323	}
1809	);	2324	Coro::cede;
1810	}	2325	}
1811		2326
1812	#############################################################################	2327	1
1813	# the server's main()	2328	}
		2329
		2330	sub reload_resources {
		2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2332	or die "unable to load regions file\n";#d#
		2333	load_facedata
		2334	or die "unable to load facedata\n";#d#
		2335	}
		2336
		2337	sub init {
		2338	reload_resources;
		2339	}
1814		2340
1815	sub cfg_load {	2341	sub cfg_load {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	2342	open my $fh, "<:utf8", cf::confdir . "/config"
1817	or return;	2343	or return;
1818		2344
1819	local $/;	2345	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	2346	*CFG = YAML::Syck::Load <$fh>;
		2347
		2348	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2349
		2350	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2351	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2352
		2353	if (exists $CFG{mlockall}) {
		2354	eval {
		2355	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2356	and die "WARNING: m(un)lockall failed: $!\n";
		2357	};
		2358	warn $@ if $@;
		2359	}
1821	}	2360	}
1822		2361
1823	sub main {	2362	sub main {
1824	# we must not ever block the main coroutine	2363	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	2364	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	2366	(async {
1828	Event::one_event;	2367	Event::one_event;
1829	})->();	2368	})->prio (Coro::PRIO_MAX);
1830	};	2369	};
1831		2370
1832	cfg_load;	2371	cfg_load;
1833	db_load;	2372	db_init;
1834	load_extensions;	2373	load_extensions;
		2374
		2375	$TICK_WATCHER->start;
1835	Event::loop;	2376	Event::loop;
1836	}	2377	}
1837		2378
1838	#############################################################################	2379	#############################################################################
1839	# initialisation	2380	# initialisation and cleanup
		2381
		2382	# install some emergency cleanup handlers
		2383	BEGIN {
		2384	for my $signal (qw(INT HUP TERM)) {
		2385	Event->signal (
		2386	reentrant => 0,
		2387	data => WF_AUTOCANCEL,
		2388	signal => $signal,
		2389	prio => 0,
		2390	cb => sub {
		2391	cf::cleanup "SIG$signal";
		2392	},
		2393	);
		2394	}
		2395	}
		2396
		2397	sub emergency_save() {
		2398	my $freeze_guard = cf::freeze_mainloop;
		2399
		2400	warn "enter emergency perl save\n";
		2401
		2402	cf::sync_job {
		2403	# use a peculiar iteration method to avoid tripping on perl
		2404	# refcount bugs in for. also avoids problems with players
		2405	# and maps saved/destroyed asynchronously.
		2406	warn "begin emergency player save\n";
		2407	for my $login (keys %cf::PLAYER) {
		2408	my $pl = $cf::PLAYER{$login} or next;
		2409	$pl->valid or next;
		2410	$pl->save;
		2411	}
		2412	warn "end emergency player save\n";
		2413
		2414	warn "begin emergency map save\n";
		2415	for my $path (keys %cf::MAP) {
		2416	my $map = $cf::MAP{$path} or next;
		2417	$map->valid or next;
		2418	$map->save;
		2419	}
		2420	warn "end emergency map save\n";
		2421
		2422	warn "begin emergency database checkpoint\n";
		2423	BDB::db_env_txn_checkpoint $DB_ENV;
		2424	warn "end emergency database checkpoint\n";
		2425	};
		2426
		2427	warn "leave emergency perl save\n";
		2428	}
		2429
		2430	sub post_cleanup {
		2431	my ($make_core) = @_;
		2432
		2433	warn Carp::longmess "post_cleanup backtrace"
		2434	if $make_core;
		2435	}
1840		2436
1841	sub reload() {	2437	sub reload() {
1842	# can/must only be called in main	2438	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	2439	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	2440	warn "can only reload from main coroutine";
1845	return;	2441	return;
1846	}	2442	}
1847		2443
1848	warn "reloading...";	2444	warn "reloading...";
1849		2445
1850	local $FREEZE = 1;	2446	warn "entering sync_job";
		2447
		2448	cf::sync_job {
		2449	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	2450	cf::emergency_save;
		2451	cf::write_runtime; # external watchdog should not bark
1852		2452
1853	eval {	2453	warn "syncing database to disk";
		2454	BDB::db_env_txn_checkpoint $DB_ENV;
		2455
1854	# if anything goes wrong in here, we should simply crash as we already saved	2456	# if anything goes wrong in here, we should simply crash as we already saved
1855		2457
1856	# cancel all watchers	2458	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	2459	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	2460	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	2461	}
1860		2462
		2463	warn "flushing outstanding aio requests";
		2464	for (;;) {
		2465	BDB::flush;
		2466	IO::AIO::flush;
		2467	Coro::cede;
		2468	last unless IO::AIO::nreqs || BDB::nreqs;
		2469	warn "iterate...";
		2470	}
		2471
		2472	++$RELOAD;
		2473
1861	# cancel all extension coros	2474	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	2475	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	2476	%EXT_CORO = ();
1864		2477
1865	# unload all extensions	2478	warn "removing commands";
1866	for (@exts) {	2479	%COMMAND = ();
		2480
		2481	warn "removing ext commands";
		2482	%EXTCMD = ();
		2483
		2484	warn "unloading/nuking all extensions";
		2485	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	2486	warn "... unloading $pkg";
1868	unload_extension $_;	2487
		2488	if (my $cb = $pkg->can ("unload")) {
		2489	eval {
		2490	$cb->($pkg);
		2491	1
		2492	} or warn "$pkg unloaded, but with errors: $@";
1869	}	2493	}
1870		2494
		2495	warn "... nuking $pkg";
		2496	Symbol::delete_package $pkg;
		2497	}
		2498
1871	# unload all modules loaded from $LIBDIR	2499	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	2500	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2501	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		2502
1875	warn "removing <$k>";	2503	warn "... unloading $k";
1876	delete $INC{$k};	2504	delete $INC{$k};
1877		2505
1878	$k =~ s/\.pm$//;	2506	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	2507	$k =~ s/\//::/g;
1880		2508
…		…
1883	}	2511	}
1884		2512
1885	Symbol::delete_package $k;	2513	Symbol::delete_package $k;
1886	}	2514	}
1887		2515
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	2516	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	2517	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		2519
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	2520	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	2521	delete $INC{"cf.pm"};
1901		2522
1902	# don't, removes xs symbols, too,	2523	# don't, removes xs symbols, too,
1903	# and global variables created in xs	2524	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	2525	#Symbol::delete_package __PACKAGE__;
1905		2526
1906	# reload cf.pm	2527	warn "unload completed, starting to reload now";
		2528
1907	warn "reloading cf.pm";	2529	warn "reloading cf.pm";
1908	require cf;	2530	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		2532
1911	# load config and database again	2533	warn "loading config and database again";
1912	cf::cfg_load;	2534	cf::cfg_load;
1913	cf::db_load;
1914		2535
1915	# load extensions
1916	warn "load extensions";	2536	warn "loading extensions";
1917	cf::load_extensions;	2537	cf::load_extensions;
1918		2538
1919	# reattach attachments to objects	2539	warn "reattaching attachments to objects/players";
1920	warn "reattach";	2540	_global_reattach; # objects, sockets
1921	_global_reattach;	2541	warn "reattaching attachments to maps";
1922	};	2542	reattach $_ for values %MAP;
		2543	warn "reattaching attachments to players";
		2544	reattach $_ for values %PLAYER;
1923		2545
1924	if ($@) {	2546	warn "loading reloadable resources";
		2547	reload_resources;
		2548
		2549	warn "leaving sync_job";
		2550
		2551	1
		2552	} or do {
1925	warn $@;	2553	warn $@;
1926	warn "error while reloading, exiting.";	2554	warn "error while reloading, exiting.";
1927	exit 1;	2555	exit 1;
1928	}	2556	};
1929		2557
1930	warn "reloaded successfully";	2558	warn "reloaded";
1931	};	2559	};
1932		2560
1933	#############################################################################	2561	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} = $LINK_MAP;
1974	}
1975
1976	register "<global>", __PACKAGE__;
1977		2562
1978	register_command "reload" => sub {	2563	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	2564	my ($who, $arg) = @_;
1980		2565
1981	if ($who->flag (FLAG_WIZ)) {	2566	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");	2567	$who->message ("reloading server.");
		2568
		2569	# doing reload synchronously and two reloads happen back-to-back,
		2570	# coro crashes during coro_state_free->destroy here.
		2571
		2572	$RELOAD_WATCHER ||= Event->timer (
		2573	reentrant => 0,
		2574	after => 0,
		2575	data => WF_AUTOCANCEL,
		2576	cb => sub {
1983	reload;	2577	reload;
1984	$who->message ("end of reload.");	2578	undef $RELOAD_WATCHER;
		2579	},
		2580	);
1985	}	2581	}
1986	};	2582	};
1987		2583
1988	unshift @INC, $LIBDIR;	2584	unshift @INC, $LIBDIR;
		2585
		2586	my $bug_warning = 0;
1989		2587
1990	$TICK_WATCHER = Event->timer (	2588	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	2589	reentrant => 0,
		2590	parked => 1,
1992	prio => 0,	2591	prio => 0,
1993	at => $NEXT_TICK || $TICK,	2592	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	2593	data => WF_AUTOCANCEL,
1995	cb => sub {	2594	cb => sub {
1996	unless ($FREEZE) {	2595	if ($Coro::current != $Coro::main) {
		2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2597	unless ++$bug_warning > 10;
		2598	return;
		2599	}
		2600
		2601	$NOW = Event::time;
		2602
1997	cf::server_tick; # one server iteration	2603	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	2604	$RUNTIME += $TICK;
1999	}
2000
2001	$NEXT_TICK += $TICK;	2605	$NEXT_TICK += $TICK;
		2606
		2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2608	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2609	Coro::async_pool {
		2610	write_runtime
		2611	or warn "ERROR: unable to write runtime file: $!";
		2612	};
		2613	}
		2614
		2615	$WAIT_FOR_TICK->broadcast;
		2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2617
		2618	# my $AFTER = Event::time;
		2619	# warn $AFTER - $NOW;#d#
2002		2620
2003	# if we are delayed by four ticks or more, skip them all	2621	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2005		2623
2006	$TICK_WATCHER->at ($NEXT_TICK);	2624	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	2625	$TICK_WATCHER->start;
2008	},	2626	},
2009	);	2627	);
2010		2628
		2629	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	2630	BDB::max_poll_time $TICK * 0.1;
2012		2631	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	2632	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	2633	fd => BDB::poll_fileno,
2015	poll => 'r',	2634	poll => 'r',
2016	prio => 5,	2635	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	2636	data => WF_AUTOCANCEL,
2023	after => 0,	2637	cb => \&BDB::poll_cb,
2024	interval => 10,	2638	);
2025	cb => sub {	2639	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	2640
2027	write_runtime	2641	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	2642	my $status;
		2643	my $current = $Coro::current;
		2644	(
		2645	sub {
		2646	$status = $!;
		2647	$current->ready; undef $current;
		2648	},
		2649	sub {
		2650	Coro::schedule while defined $current;
		2651	$! = $status;
		2652	},
		2653	)
		2654	};
		2655
		2656	unless ($DB_ENV) {
		2657	$DB_ENV = BDB::db_env_create;
		2658
		2659	cf::sync_job {
		2660	eval {
		2661	BDB::db_env_open
		2662	$DB_ENV,
		2663	$BDB_ENV_DIR,
		2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2666	0666;
		2667
		2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2669
		2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2671	$DB_ENV->set_lk_detect;
		2672	};
		2673
		2674	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	2675	};
2030	},	2676	}
2031	);	2677	}
		2678
		2679	{
		2680	IO::AIO::min_parallel 8;
		2681
		2682	undef $Coro::AIO::WATCHER;
		2683	IO::AIO::max_poll_time $TICK * 0.1;
		2684	$AIO_POLL_WATCHER = Event->io (
		2685	reentrant => 0,
		2686	data => WF_AUTOCANCEL,
		2687	fd => IO::AIO::poll_fileno,
		2688	poll => 'r',
		2689	prio => 6,
		2690	cb => \&IO::AIO::poll_cb,
		2691	);
		2692	}
		2693
		2694	END { cf::emergency_save }
2032		2695
2033	1	2696	1
2034		2697

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