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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.116 by root, Mon Jan 1 17:30:34 2007 UTC vs.
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3;	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut	223	=item cf::lock_wait $string
180		224
181	sub to_json($) {	225	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	226
183	JSON::Syck::Dump $_[0]	227	=item my $lock = cf::lock_acquire $string
		228
		229	Wait until the given lock is available and then acquires it and returns
		230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		231	for example when the coroutine gets canceled), the lock is automatically
		232	returned.
		233
		234	Lock names should begin with a unique identifier (for example, cf::map::find
		235	uses map_find and cf::map::load uses map_load).
		236
		237	=cut
		238
		239	our %LOCK;
		240
		241	sub lock_wait($) {
		242	my ($key) = @_;
		243
		244	# wait for lock, if any
		245	while ($LOCK{$key}) {
		246	push @{ $LOCK{$key} }, $Coro::current;
		247	Coro::schedule;
		248	}
184	}	249	}
		250
		251	sub lock_acquire($) {
		252	my ($key) = @_;
		253
		254	# wait, to be sure we are not locked
		255	lock_wait $key;
		256
		257	$LOCK{$key} = [];
		258
		259	Coro::guard {
		260	# wake up all waiters, to be on the safe side
		261	$_->ready for @{ delete $LOCK{$key} };
		262	}
		263	}
		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
		275	=item cf::async { BLOCK }
		276
		277	Currently the same as Coro::async_pool, meaning you cannot use
		278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
		280
		281	=cut
		282
		283	BEGIN { *async = \&Coro::async_pool }
185		284
186	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
187		286
188	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
205		304
206	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	306	# (but this is cancel-safe)
208	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
209		308
210	my $busy = 1;	309	my $busy = 1;
211	my @res;	310	my @res;
212		311
213	(Coro::async {	312	(async {
214	@res = eval { $job->() };	313	@res = eval { $job->() };
215	warn $@ if $@;	314	warn $@ if $@;
216	undef $busy;	315	undef $busy;
217	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
218		317
219	while ($busy) {	318	while ($busy) {
220	Coro::cede_notself;	319	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	320	}
223		321
224	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
225	} else {	323	} else {
226	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
227		325
228	$job->()	326	$job->()
229	}	327	}
230	}	328	}
231		329
232	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
233		331
234	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
236		334
237	=cut	335	=cut
238		336
239	sub coro(&) {	337	sub async_ext(&) {
240	my $cb = shift;	338	my $cb = shift;
241		339
242	my $coro; $coro = async {	340	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		341
249	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
251	});	344	});
252	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
253		346
254	$coro	347	$coro
255	}	348	}
256		349
257	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
258	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
259		354
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	356	or return;
262		357
		358	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	363	and return;
266		364
		365	# always fsync - this file is important
267	aio_fsync $fh	366	aio_fsync $fh
268	and return;	367	and return;
269		368
270	close $fh	369	close $fh
271	or return;	370	or return;
…		…
277	}	376	}
278		377
279	=back	378	=back
280		379
281	=cut	380	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		381
403	#############################################################################	382	#############################################################################
404		383
405	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
406		385
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	512	our @CB_MAP = ();
534		513
535	my %attachment;	514	my %attachment;
536		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
537	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
539		524
540	use sort 'stable';	525	use sort 'stable';
541		526
…		…
712	# object support	697	# object support
713		698
714	sub reattach {	699	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		704
718	my $registry = $obj->registry;	705	my $registry = $obj->registry;
719		706
720	@$registry = ();	707	@$registry = ();
721		708
…		…
768	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
769		756
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	761	close $fh;
775		762
776	if (@$objs) {	763	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	769	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
784	}	771	}
785	} else {	772	} else {
786	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	804	(aio_load "$filename.pst", $av) >= 0
818	or return;	805	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	806	$av = eval { (Storable::thaw $av)->{objs} };
820	}	807	}
821		808
		809	warn sprintf "loading %s (%d)\n",
		810	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	811	return ($data, $av);
823	}	812	}
824		813
825	#############################################################################	814	#############################################################################
826	# command handling &c	815	# command handling &c
…		…
851	=cut	840	=cut
852		841
853	sub register_extcmd {	842	sub register_extcmd {
854	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
855		844
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
860	}	846	}
861		847
862	cf::player->attach (	848	cf::player->attach (
863	on_command => sub {	849	on_command => sub {
864	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
877		863
878	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
879		865
880	if (ref $msg) {	866	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	870	}
885	}	871	}
886	} else {	872	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		875
890	cf::override;	876	cf::override;
891	},	877	},
892	);	878	);
893		879
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	880	sub load_extension {
901	my ($path) = @_;	881	my ($path) = @_;
902		882
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	884	my $base = $1;
905	my $pkg = $1;	885	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
908		888
909	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
910		890
911	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
912	or die "$path: $!";	892	or die "$path: $!";
913		893
914	my $source =	894	my $source =
915	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
918	. "\n};\n1";	898	. "\n};\n1";
919		899
920	eval $source	900	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	902	: "extension disabled.\n";
923		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	904	warn $@;
925	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
926		906	exit 1;
927	# no strict 'refs';	907	}
928	# @{"$pkg\::ISA"} = ext::;	908	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	909	}
943		910
944	# remove commands	911	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	912	}
969		913
970	sub load_extensions {	914	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	916	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
977	}	921	}
978	}	922	}
979		923
980	#############################################################################	924	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		925
1018	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1019		927
1020	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1021		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1022	=head3 cf::player	936	=head3 cf::player
1023		937
1024	=over 4	938	=over 4
1025		939
1026	=item cf::player::exists $login	940	=item cf::player::find $login
1027		941
1028	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1029		943
1030	=cut	944	=cut
1031		945
1032	sub cf::player::exists($) {	946	sub playerdir($) {
1033	cf::player::find $_[0]	947	cf::localdir
1034	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
1035	}	1116	}
1036		1117
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1119
1039	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1040		1121
1041	=cut	1122	=cut
1042		1123
1043	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1045		1126
1046	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1047		1128
1048	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1049	}	1130	}
		1131
		1132	package cf;
1050		1133
1051	=back	1134	=back
1052		1135
1053		1136
1054	=head3 cf::map	1137	=head3 cf::map
…		…
1060	package cf::map;	1143	package cf::map;
1061		1144
1062	use Fcntl;	1145	use Fcntl;
1063	use Coro::AIO;	1146	use Coro::AIO;
1064		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1065	our $MAX_RESET = 7200;	1152	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1153	our $DEFAULT_RESET = 3000;
1067		1154
1068	sub generate_random_map {	1155	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1158	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$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},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(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
1085	}	1300	}
1086		1301
1087	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1088	# all maps in C++...	1303	# all maps in C++...
1089	sub change_all_map_light {	1304	sub change_all_map_light {
1090	my ($change) = @_;	1305	my ($change) = @_;
1091		1306
1092	$_->change_map_light ($change) for values %cf::MAP;	1307	$_->change_map_light ($change)
		1308	for grep $_->outdoor, values %cf::MAP;
1093	}	1309	}
1094		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
1095	sub try_load_header($) {	1319	sub load_header_from($) {
1096	my ($path) = @_;	1320	my ($self, $path) = @_;
1097		1321
1098	utf8::encode $path;	1322	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1100	or return;	1327	or return;
1101		1328
1102	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
1103	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1104		1375
1105	$map->load_header ($path)	1376	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1377	}
1112		1378
		1379	sub find;
1113	sub find_map {	1380	sub find {
1114	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1115		1382
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1384
		1385	cf::lock_wait "map_find:$path";
		1386
1121	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1122	# do it the slow way	1388	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1389	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1390	or return;
1137		1391
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1393
1151	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1152	$map->reset;	1400	$map->reset;
1153	$map = find_map $path;	1401	undef $guard;
		1402	return find $path;
1154	}	1403	}
1155		1404
1156	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1157	}	1406	}
1158	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1159		1411
1160	sub load {	1412	sub load {
1161	my ($self) = @_;	1413	my ($self) = @_;
1162		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
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1421
1165	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1166		1423
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1170	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1429	or return;
1172		1430
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1432	if delete $self->{load_original};
1175		1433
1176	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1435	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1437	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1181	}	1439	}
1182	}	1440	}
		1441
		1442	Coro::cede;
1183		1443
1184	# now do the right thing for maps	1444	# now do the right thing for maps
1185	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1186		1446
1187	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1448	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1194	$self->set_darkness_map;	1452	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1197	$self->activate;	1456	$self->activate;
1198	}	1457	}
1199		1458
		1459	$self->post_load;
		1460
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1462	}
1202		1463
1203	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 {
1204	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1205		1499
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1207		1502
1208	cf::sync_job {	1503	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1210	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;
1211	$map->load;	1527	$map->load;
1212	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1213	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1214	}	1537	}
1215		1538
1216	sub save {	1539	sub save {
1217	my ($self) = @_;	1540	my ($self) = @_;
1218		1541
1219	my $save = $self->{path}->save_path; utf8::encode $save;	1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
1220	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1221		1543
1222	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1223		1545
1224	return unless $self->dirty;	1546	return unless $self->dirty;
1225		1547
		1548	my $save = $self->save_path; utf8::encode $save;
		1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1550
1226	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1227		1552
1228	return if $self->{deny_save};	1553	return if $self->{deny_save};
1229		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1230	if ($uniq) {	1561	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1564	} else {
1234	$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);
1235	}	1566	}
1236	}	1567	}
1237		1568
1238	sub swap_out {	1569	sub swap_out {
1239	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;
1240		1576
1241	return if $self->players;	1577	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1579	return if $self->{deny_save};
1244		1580
1245	$self->save;
1246	$self->clear;	1581	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1582	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1583	}
1249		1584
1250	sub reset_at {	1585	sub reset_at {
1251	my ($self) = @_;	1586	my ($self) = @_;
1252		1587
1253	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1256		1591
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1594
…		…
1264	my ($self) = @_;	1599	my ($self) = @_;
1265		1600
1266	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1267	}	1602	}
1268		1603
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	1604	sub reset {
1291	my ($self) = @_;	1605	my ($self) = @_;
1292		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1293	return if $self->players;	1609	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1295		1611
1296	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1297		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
1298	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1299		1627
1300	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1301		1629
1302	$self->unlink_save;	1630	$self->unlink_save;
1303	$self->destroy;	1631	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1307		1635
1308	sub nuke {	1636	sub nuke {
1309	my ($self) = @_;	1637	my ($self) = @_;
1310		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1314	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1315	}	1652	}
1316		1653
1317	sub customise_for {	1654	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1655
1320	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1322	}
1323		1658
1324	$map	1659	=cut
1325	}
1326		1660
1327	sub emergency_save {	1661	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1329		1664
1330	warn "enter emergency map save\n";	1665	my @paths;
1331		1666
1332	cf::sync_job {	1667	for (@$files) {
1333	warn "begin emergency map save\n";	1668	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1335	};	1673	}
1336		1674
1337	warn "end emergency map save\n";	1675	\@paths
1338	}	1676	}
1339		1677
1340	package cf;	1678	package cf;
1341		1679
1342	=back	1680	=back
1343		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
1344		1708
1345	=head3 cf::object::player	1709	=head3 cf::object::player
1346		1710
1347	=over 4	1711	=over 4
1348		1712
…		…
1388		1752
1389	=item $player_object->enter_link	1753	=item $player_object->enter_link
1390		1754
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1756
1393	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1394	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1395		1759
		1760	Will never block.
		1761
1396	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1397		1763
1398	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1767	fails, to the emergency map position.
1402		1768
1403	Might block.	1769	Might block.
1404		1770
1405	=cut	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	}
1406		1782
1407	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1784	my ($self) = @_;
1409		1785
1410	return if $self->map == $LINK_MAP;	1786	$self->deactivate_recursive;
1411		1787
		1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1789
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1791	if $self->map;
1414		1792
1415	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1794	}
1418		1795
1419	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1421		1798
1422	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1423		1800
1424	unless ($map) {	1801	unless ($map) {
1425	# restore original map position	1802	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1428		1805
1429	unless ($map) {	1806	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1433	}	1810	}
1434	}	1811	}
1435		1812
1436	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1442		1819
1443	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1444		1822
		1823	return unless $self->contr->active;
1445	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1447	}	1828	}
1448		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
1449	=item $player_object->goto_map ($map, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1450		1863
1451	=cut	1864	=cut
1452		1865
1453	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1455		1868
1456	$self->enter_link;	1869	$self->enter_link;
1457		1870
1458	(Coro::async {	1871	(async {
1459	$path = new cf::path $path;	1872	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1875	$map
1466		1876	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1878
1469	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1880	})->prio (1);
1471	}	1881	}
1472		1882
…		…
1476		1886
1477	sub parse_random_map_params {	1887	sub parse_random_map_params {
1478	my ($spec) = @_;	1888	my ($spec) = @_;
1479		1889
1480	my $rmp = { # defaults	1890	my $rmp = { # defaults
1481	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1483	};	1895	};
1484		1896
1485	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1487		1899
…		…
1491	$rmp	1903	$rmp
1492	}	1904	}
1493		1905
1494	sub prepare_random_map {	1906	sub prepare_random_map {
1495	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1910
1497	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1913	# that depends on the exit object
1500		1914
1501	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1502		1916
1503	if ($exit->map) {	1917	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1508	}	1922	}
1509		1923
1510	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1511		1925
1512	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1929
1515	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) {
1516	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;
1517		1934
1518	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	1936	$exit->msg (undef);
1520	}	1937	}
1521	}	1938	}
…		…
1523	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1525		1942
1526	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1527		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
1528	$self->enter_link;	1954	$self->enter_link;
1529		1955
1530	(Coro::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	1958	unless (eval {
1532		1959	$self->goto ($slaying, $hp, $sp);
1533	prepare_random_map $exit
1534	if $exit->slaying eq "/!";
1535
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1538		1960
1539	1;	1961	1;
1540	}) {	1962	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "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. "
1543	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1545		1967
1546	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	1969	$self->leave_link;
1548	}	1970	}
…		…
1562		1984
1563	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1565		1987
1566	utf8::encode $text;	1988	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	1990	}
1569		1991
1570		1992
1571	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1572		1994
…		…
1599	on_reply => sub {	2021	on_reply => sub {
1600	my ($ns, $msg) = @_;	2022	my ($ns, $msg) = @_;
1601		2023
1602	# this weird shuffling is so that direct followup queries	2024	# this weird shuffling is so that direct followup queries
1603	# get handled first	2025	# get handled first
1604	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
1605		2028
1606	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2031
1608	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1609		2033
1610	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2035	if (@$queue) {
…		…
1615	}	2039	}
1616	}	2040	}
1617	},	2041	},
1618	);	2042	);
1619		2043
1620	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1621		2045
1622	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1623	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,
1624	or loss of connection).	2048	or loss of connection).
1625		2049
1626	=cut	2050	=cut
1627		2051
1628	sub cf::client::coro {	2052	sub cf::client::async {
1629	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1630		2054
1631	my $coro; $coro = async {	2055	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2056
1638	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1640	});	2059	});
1641		2060
…		…
1674		2093
1675	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1676		2095
1677	=pod	2096	=pod
1678		2097
1679	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1680		2099
1681	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1682	cf::object::player player	2101	cf::object::player player
1683	cf::player peaceful	2102	cf::player peaceful
1684	cf::map trigger	2103	cf::map trigger
…		…
1777	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
1778	using it, it should be unique.	2197	using it, it should be unique.
1779		2198
1780	=over 4	2199	=over 4
1781		2200
1782	=item $hashref = cf::db_get $family
1783
1784	Return a hashref for use by the extension C<$family>, which can be
1785	modified. After modifications, you have to call C<cf::db_dirty> or
1786	C<cf::db_sync>.
1787
1788	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1789		2202
1790	Returns a single value from the database	2203	Returns a single value from the database.
1791
1792	=item cf::db_put $family => $hashref
1793
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796		2204
1797	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1798		2206
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809		2208
1810	=cut	2209	=cut
1811		2210
1812	our $DB;	2211	our $DB;
1813		2212
1814	{	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
1815	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;
1816		2232
1817	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1818	warn "loading database $path\n";#d# remove later	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1819	$DB = stat $path ? Storable::retrieve $path : { };	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
1820	}	2236	BDB::db_env_txn_checkpoint $DB_ENV;
1821		2237
1822	my $pid;	2238	unlink $path;
1823
1824	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}	2239	};
1833	}	2240	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});	2241	}
		2242	}
1845		2243
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {	2244	sub db_get($$) {
1852	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1857	sub db_put($$;$) {	2255	sub db_put($$$) {
1858	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1859	$DB->{$_[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_facedata {
		2264	my $path = sprintf "%s/facedata", cf::datadir;
		2265
		2266	warn "loading facedata 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	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2285	Coro::cede;
		2286	}
		2287
		2288	while (my ($face, $info) = each %$faces) {
		2289	next unless $info->{smooth};
		2290	my $idx = cf::face::find $face
		2291	or next;
		2292	if (my $smooth = cf::face::find $info->{smooth}) {
		2293	cf::face::set_smooth $idx, $smooth;
1860	} else {	2294	} else {
1861	$DB->{$_[0]} = $_[1];	2295	warn "smooth face '$info->{smooth}' not found for face '$face'";
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2296	}
1871	);	2297	Coro::cede;
1872	}	2298	}
1873		2299
1874	#############################################################################	2300	1
1875	# the server's main()	2301	}
		2302
		2303	sub reload_resources {
		2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2305	or die "unable to load regions file\n";#d#
		2306	load_facedata
		2307	or die "unable to load facedata\n";#d#
		2308	}
		2309
		2310	sub init {
		2311	reload_resources;
		2312	}
1876		2313
1877	sub cfg_load {	2314	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2315	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2316	or return;
1880		2317
1881	local $/;	2318	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2319	*CFG = YAML::Syck::Load <$fh>;
		2320
		2321	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2322
		2323	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2324	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2325
		2326	if (exists $CFG{mlockall}) {
		2327	eval {
		2328	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2329	and die "WARNING: m(un)lockall failed: $!\n";
		2330	};
		2331	warn $@ if $@;
		2332	}
1883	}	2333	}
1884		2334
1885	sub main {	2335	sub main {
1886	# we must not ever block the main coroutine	2336	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2337	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2339	(async {
1890	Event::one_event;	2340	Event::one_event;
1891	})->();	2341	})->prio (Coro::PRIO_MAX);
1892	};	2342	};
1893		2343
1894	cfg_load;	2344	cfg_load;
1895	db_load;	2345	db_init;
1896	load_extensions;	2346	load_extensions;
		2347
		2348	$TICK_WATCHER->start;
1897	Event::loop;	2349	Event::loop;
1898	}	2350	}
1899		2351
1900	#############################################################################	2352	#############################################################################
1901	# initialisation	2353	# initialisation and cleanup
		2354
		2355	# install some emergency cleanup handlers
		2356	BEGIN {
		2357	for my $signal (qw(INT HUP TERM)) {
		2358	Event->signal (
		2359	reentrant => 0,
		2360	data => WF_AUTOCANCEL,
		2361	signal => $signal,
		2362	prio => 0,
		2363	cb => sub {
		2364	cf::cleanup "SIG$signal";
		2365	},
		2366	);
		2367	}
		2368	}
		2369
		2370	sub emergency_save() {
		2371	my $freeze_guard = cf::freeze_mainloop;
		2372
		2373	warn "enter emergency perl save\n";
		2374
		2375	cf::sync_job {
		2376	# use a peculiar iteration method to avoid tripping on perl
		2377	# refcount bugs in for. also avoids problems with players
		2378	# and maps saved/destroyed asynchronously.
		2379	warn "begin emergency player save\n";
		2380	for my $login (keys %cf::PLAYER) {
		2381	my $pl = $cf::PLAYER{$login} or next;
		2382	$pl->valid or next;
		2383	$pl->save;
		2384	}
		2385	warn "end emergency player save\n";
		2386
		2387	warn "begin emergency map save\n";
		2388	for my $path (keys %cf::MAP) {
		2389	my $map = $cf::MAP{$path} or next;
		2390	$map->valid or next;
		2391	$map->save;
		2392	}
		2393	warn "end emergency map save\n";
		2394
		2395	warn "begin emergency database checkpoint\n";
		2396	BDB::db_env_txn_checkpoint $DB_ENV;
		2397	warn "end emergency database checkpoint\n";
		2398	};
		2399
		2400	warn "leave emergency perl save\n";
		2401	}
		2402
		2403	sub post_cleanup {
		2404	my ($make_core) = @_;
		2405
		2406	warn Carp::longmess "post_cleanup backtrace"
		2407	if $make_core;
		2408	}
1902		2409
1903	sub reload() {	2410	sub reload() {
1904	# can/must only be called in main	2411	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2412	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2413	warn "can only reload from main coroutine";
1907	return;	2414	return;
1908	}	2415	}
1909		2416
1910	warn "reloading...";	2417	warn "reloading...";
1911		2418
1912	local $FREEZE = 1;	2419	warn "entering sync_job";
		2420
		2421	cf::sync_job {
		2422	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2423	cf::emergency_save;
		2424	cf::write_runtime; # external watchdog should not bark
1914		2425
1915	eval {	2426	warn "syncing database to disk";
		2427	BDB::db_env_txn_checkpoint $DB_ENV;
		2428
1916	# if anything goes wrong in here, we should simply crash as we already saved	2429	# if anything goes wrong in here, we should simply crash as we already saved
1917		2430
1918	# cancel all watchers	2431	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2432	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2433	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2434	}
1922		2435
		2436	warn "flushing outstanding aio requests";
		2437	for (;;) {
		2438	BDB::flush;
		2439	IO::AIO::flush;
		2440	Coro::cede;
		2441	last unless IO::AIO::nreqs || BDB::nreqs;
		2442	warn "iterate...";
		2443	}
		2444
		2445	++$RELOAD;
		2446
1923	# cancel all extension coros	2447	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2448	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2449	%EXT_CORO = ();
1926		2450
1927	# unload all extensions	2451	warn "removing commands";
1928	for (@exts) {	2452	%COMMAND = ();
		2453
		2454	warn "removing ext commands";
		2455	%EXTCMD = ();
		2456
		2457	warn "unloading/nuking all extensions";
		2458	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2459	warn "... unloading $pkg";
1930	unload_extension $_;	2460
		2461	if (my $cb = $pkg->can ("unload")) {
		2462	eval {
		2463	$cb->($pkg);
		2464	1
		2465	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2466	}
1932		2467
		2468	warn "... nuking $pkg";
		2469	Symbol::delete_package $pkg;
		2470	}
		2471
1933	# unload all modules loaded from $LIBDIR	2472	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2473	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2474	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2475
1937	warn "removing <$k>";	2476	warn "... unloading $k";
1938	delete $INC{$k};	2477	delete $INC{$k};
1939		2478
1940	$k =~ s/\.pm$//;	2479	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2480	$k =~ s/\//::/g;
1942		2481
…		…
1945	}	2484	}
1946		2485
1947	Symbol::delete_package $k;	2486	Symbol::delete_package $k;
1948	}	2487	}
1949		2488
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2489	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2490	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2492
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2493	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2494	delete $INC{"cf.pm"};
1963		2495
1964	# don't, removes xs symbols, too,	2496	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2497	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2498	#Symbol::delete_package __PACKAGE__;
1967		2499
1968	# reload cf.pm	2500	warn "unload completed, starting to reload now";
		2501
1969	warn "reloading cf.pm";	2502	warn "reloading cf.pm";
1970	require cf;	2503	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2505
1973	# load config and database again	2506	warn "loading config and database again";
1974	cf::cfg_load;	2507	cf::cfg_load;
1975	cf::db_load;
1976		2508
1977	# load extensions
1978	warn "load extensions";	2509	warn "loading extensions";
1979	cf::load_extensions;	2510	cf::load_extensions;
1980		2511
1981	# reattach attachments to objects	2512	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2513	_global_reattach; # objects, sockets
1983	_global_reattach;	2514	warn "reattaching attachments to maps";
1984	};	2515	reattach $_ for values %MAP;
		2516	warn "reattaching attachments to players";
		2517	reattach $_ for values %PLAYER;
1985		2518
1986	if ($@) {	2519	warn "loading reloadable resources";
		2520	reload_resources;
		2521
		2522	warn "leaving sync_job";
		2523
		2524	1
		2525	} or do {
1987	warn $@;	2526	warn $@;
1988	warn "error while reloading, exiting.";	2527	warn "error while reloading, exiting.";
1989	exit 1;	2528	exit 1;
1990	}	2529	};
1991		2530
1992	warn "reloaded successfully";	2531	warn "reloaded";
1993	};	2532	};
1994		2533
1995	#############################################################################	2534	our $RELOAD_WATCHER; # used only during reload
1996
1997	unless ($LINK_MAP) {
1998	$LINK_MAP = cf::map::new;
1999
2000	$LINK_MAP->width (41);
2001	$LINK_MAP->height (41);
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,
2010	cb => sub {
2011	$_[0]->w->cancel;
2012
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});
2031
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}
2037
2038	register "<global>", __PACKAGE__;
2039		2535
2040	register_command "reload" => sub {	2536	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2537	my ($who, $arg) = @_;
2042		2538
2043	if ($who->flag (FLAG_WIZ)) {	2539	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2540	$who->message ("reloading server.");
		2541
		2542	# doing reload synchronously and two reloads happen back-to-back,
		2543	# coro crashes during coro_state_free->destroy here.
		2544
		2545	$RELOAD_WATCHER ||= Event->timer (
		2546	reentrant => 0,
		2547	after => 0,
		2548	data => WF_AUTOCANCEL,
		2549	cb => sub {
2045	reload;	2550	reload;
2046	$who->message ("end of reload.");	2551	undef $RELOAD_WATCHER;
		2552	},
		2553	);
2047	}	2554	}
2048	};	2555	};
2049		2556
2050	unshift @INC, $LIBDIR;	2557	unshift @INC, $LIBDIR;
		2558
		2559	my $bug_warning = 0;
2051		2560
2052	$TICK_WATCHER = Event->timer (	2561	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2562	reentrant => 0,
		2563	parked => 1,
2054	prio => 0,	2564	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2565	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2566	data => WF_AUTOCANCEL,
2057	cb => sub {	2567	cb => sub {
2058	unless ($FREEZE) {	2568	if ($Coro::current != $Coro::main) {
		2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2570	unless ++$bug_warning > 10;
		2571	return;
		2572	}
		2573
		2574	$NOW = Event::time;
		2575
2059	cf::server_tick; # one server iteration	2576	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2577	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2578	$NEXT_TICK += $TICK;
		2579
		2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2581	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2582	Coro::async_pool {
		2583	write_runtime
		2584	or warn "ERROR: unable to write runtime file: $!";
		2585	};
		2586	}
		2587
		2588	$WAIT_FOR_TICK->broadcast;
		2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2590
		2591	# my $AFTER = Event::time;
		2592	# warn $AFTER - $NOW;#d#
2064		2593
2065	# if we are delayed by four ticks or more, skip them all	2594	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2596
2068	$TICK_WATCHER->at ($NEXT_TICK);	2597	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2598	$TICK_WATCHER->start;
2070	},	2599	},
2071	);	2600	);
2072		2601
		2602	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	2603	BDB::max_poll_time $TICK * 0.1;
2074		2604	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	2605	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2606	fd => BDB::poll_fileno,
2077	poll => 'r',	2607	poll => 'r',
2078	prio => 5,	2608	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	2609	data => WF_AUTOCANCEL,
2085	after => 0,	2610	cb => \&BDB::poll_cb,
2086	interval => 10,	2611	);
2087	cb => sub {	2612	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	2613
2089	write_runtime	2614	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	2615	my $status;
		2616	my $current = $Coro::current;
		2617	(
		2618	sub {
		2619	$status = $!;
		2620	$current->ready; undef $current;
		2621	},
		2622	sub {
		2623	Coro::schedule while defined $current;
		2624	$! = $status;
		2625	},
		2626	)
		2627	};
		2628
		2629	unless ($DB_ENV) {
		2630	$DB_ENV = BDB::db_env_create;
		2631
		2632	cf::sync_job {
		2633	eval {
		2634	BDB::db_env_open
		2635	$DB_ENV,
		2636	$BDB_ENV_DIR,
		2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2639	0666;
		2640
		2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2642
		2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2644	$DB_ENV->set_lk_detect;
		2645	};
		2646
		2647	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	2648	};
2092	},	2649	}
2093	);	2650	}
		2651
		2652	{
		2653	IO::AIO::min_parallel 8;
		2654
		2655	undef $Coro::AIO::WATCHER;
		2656	IO::AIO::max_poll_time $TICK * 0.1;
		2657	$AIO_POLL_WATCHER = Event->io (
		2658	reentrant => 0,
		2659	data => WF_AUTOCANCEL,
		2660	fd => IO::AIO::poll_fileno,
		2661	poll => 'r',
		2662	prio => 6,
		2663	cb => \&IO::AIO::poll_cb,
		2664	);
		2665	}
		2666
		2667	END { cf::emergency_save }
2094		2668
2095	1	2669	1
2096		2670

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