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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.117 by root, Mon Jan 1 17:50:26 2007 UTC vs.
Revision 1.238 by root, Sat Apr 14 07:23:00 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;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		83
		84	# used to convert map paths into valid unix filenames by replacing / by ∕
		85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		86
58	binmode STDOUT;	87	binmode STDOUT;
59	binmode STDERR;	88	binmode STDERR;
60		89
61	# read virtual server time, if available	90	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	97	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	98	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	99	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	100	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	101	mkdir $RANDOM_MAPS;
		102	mkdir $BDB_ENV_DIR;
73		103
74	# a special map that is always available	104	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		105
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	106	sub cf::map::normalise;
78		107
79	#############################################################################	108	#############################################################################
80		109
81	=head2 GLOBAL VARIABLES	110	=head2 GLOBAL VARIABLES
82		111
…		…
106		135
107	=item %cf::CFG	136	=item %cf::CFG
108		137
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	138	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	139	from wherever your confdir points to.
		140
		141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		142
		143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		145	processing has been done. Call C<< ->wait >> on them to maximise the
		146	window of cpu time available, or simply to synchronise to the server tick.
111		147
112	=back	148	=back
113		149
114	=cut	150	=cut
115		151
…		…
119	utf8::encode $msg;	155	utf8::encode $msg;
120		156
121	$msg .= "\n"	157	$msg .= "\n"
122	unless $msg =~ /\n$/;	158	unless $msg =~ /\n$/;
123		159
124	LOG llevError, "cfperl: $msg";	160	LOG llevError, $msg;
125	};	161	};
126	}	162	}
127		163
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		183
148	$Event::DIED = sub {	184	$Event::DIED = sub {
149	warn "error in event callback: @_";	185	warn "error in event callback: @_";
150	};	186	};
151		187
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	188	=head2 UTILITY FUNCTIONS
157		189
158	=over 4	190	=over 4
159		191
160	=cut	192	=item dumpval $ref
161		193
		194	=cut
		195
		196	sub dumpval {
		197	eval {
		198	local $SIG{__DIE__};
		199	my $d;
		200	if (1) {
		201	$d = new Data::Dumper([$_[0]], ["*var"]);
		202	$d->Terse(1);
		203	$d->Indent(2);
		204	$d->Quotekeys(0);
		205	$d->Useqq(1);
		206	#$d->Bless(...);
		207	$d->Seen($_[1]) if @_ > 1;
		208	$d = $d->Dump();
		209	}
		210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		211	$d
		212	} || "[unable to dump $_[0]: '$@']";
		213	}
		214
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		216
164	=item $ref = cf::from_json $json	217	=item $ref = cf::from_json $json
165		218
166	Converts a JSON string into the corresponding perl data structure.	219	Converts a JSON string into the corresponding perl data structure.
167		220
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	221	=item $json = cf::to_json $ref
176		222
177	Converts a perl data structure into its JSON representation.	223	Converts a perl data structure into its JSON representation.
178		224
179	=cut	225	=item cf::lock_wait $string
180		226
181	sub to_json($) {	227	Wait until the given lock is available. See cf::lock_acquire.
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	228
183	JSON::Syck::Dump $_[0]	229	=item my $lock = cf::lock_acquire $string
		230
		231	Wait until the given lock is available and then acquires it and returns
		232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		233	for example when the coroutine gets canceled), the lock is automatically
		234	returned.
		235
		236	Lock names should begin with a unique identifier (for example, cf::map::find
		237	uses map_find and cf::map::load uses map_load).
		238
		239	=cut
		240
		241	our %LOCK;
		242
		243	sub lock_wait($) {
		244	my ($key) = @_;
		245
		246	# wait for lock, if any
		247	while ($LOCK{$key}) {
		248	push @{ $LOCK{$key} }, $Coro::current;
		249	Coro::schedule;
		250	}
184	}	251	}
		252
		253	sub lock_acquire($) {
		254	my ($key) = @_;
		255
		256	# wait, to be sure we are not locked
		257	lock_wait $key;
		258
		259	$LOCK{$key} = [];
		260
		261	Coro::guard {
		262	# wake up all waiters, to be on the safe side
		263	$_->ready for @{ delete $LOCK{$key} };
		264	}
		265	}
		266
		267	sub freeze_mainloop {
		268	return unless $TICK_WATCHER->is_active;
		269
		270	my $guard = Coro::guard {
		271	$TICK_WATCHER->start;
		272	};
		273	$TICK_WATCHER->stop;
		274	$guard
		275	}
		276
		277	=item cf::async { BLOCK }
		278
		279	Currently the same as Coro::async_pool, meaning you cannot use
		280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		281	thing you are allowed to do is call C<prio> on it.
		282
		283	=cut
		284
		285	BEGIN { *async = \&Coro::async_pool }
185		286
186	=item cf::sync_job { BLOCK }	287	=item cf::sync_job { BLOCK }
187		288
188	The design of crossfire+ requires that the main coro ($Coro::main) is	289	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	290	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	304	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	305	# till the operation succeeds, freezing the server :/
205		306
206	# TODO: use suspend/resume instead	307	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	308	# (but this is cancel-safe)
208	local $FREEZE = 1;	309	my $freeze_guard = freeze_mainloop;
209		310
210	my $busy = 1;	311	my $busy = 1;
211	my @res;	312	my @res;
212		313
213	(Coro::async {	314	(async {
214	@res = eval { $job->() };	315	@res = eval { $job->() };
215	warn $@ if $@;	316	warn $@ if $@;
216	undef $busy;	317	undef $busy;
217	})->prio (Coro::PRIO_MAX);	318	})->prio (Coro::PRIO_MAX);
218		319
219	while ($busy) {	320	while ($busy) {
220	Coro::cede_notself;	321	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	322	}
223		323
224	wantarray ? @res : $res[0]	324	wantarray ? @res : $res[0]
225	} else {	325	} else {
226	# we are in another coroutine, how wonderful, everything just works	326	# we are in another coroutine, how wonderful, everything just works
227		327
228	$job->()	328	$job->()
229	}	329	}
230	}	330	}
231		331
232	=item $coro = cf::coro { BLOCK }	332	=item $coro = cf::async_ext { BLOCK }
233		333
234	Creates and returns a new coro. This coro is automcatially being canceled	334	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	335	extension calling this is being unloaded.
236		336
237	=cut	337	=cut
238		338
239	sub coro(&) {	339	sub async_ext(&) {
240	my $cb = shift;	340	my $cb = shift;
241		341
242	my $coro; $coro = async {	342	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		343
249	$coro->on_destroy (sub {	344	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	345	delete $EXT_CORO{$coro+0};
251	});	346	});
252	$EXT_CORO{$coro+0} = $coro;	347	$EXT_CORO{$coro+0} = $coro;
253		348
254	$coro	349	$coro
255	}	350	}
256		351
257	sub write_runtime {	352	sub write_runtime {
		353	my $guard = cf::lock_acquire "write_runtime";
		354
258	my $runtime = cf::localdir . "/runtime";	355	my $runtime = cf::localdir . "/runtime";
259		356
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	358	or return;
262		359
		360	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	361	# 10 is the runtime save interval, for a monotonic clock
		362	# 60 allows for the watchdog to kill the server.
		363
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	364	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	365	and return;
266		366
		367	# always fsync - this file is important
267	aio_fsync $fh	368	aio_fsync $fh
268	and return;	369	and return;
269		370
270	close $fh	371	close $fh
271	or return;	372	or return;
…		…
274	and return;	375	and return;
275		376
276	1	377	1
277	}	378	}
278		379
		380	=item cf::datalog type => key => value, ...
		381
		382	Log a datalog packet of the given type with the given key-value pairs.
		383
		384	=cut
		385
		386	sub datalog($@) {
		387	my ($type, %kv) = @_;
		388	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		389	}
		390
279	=back	391	=back
280		392
281	=cut	393	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($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		394
403	#############################################################################	395	#############################################################################
404		396
405	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
406		398
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	525	our @CB_MAP = ();
534		526
535	my %attachment;	527	my %attachment;
536		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
537	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
539		537
540	use sort 'stable';	538	use sort 'stable';
541		539
…		…
712	# object support	710	# object support
713		711
714	sub reattach {	712	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		717
718	my $registry = $obj->registry;	718	my $registry = $obj->registry;
719		719
720	@$registry = ();	720	@$registry = ();
721		721
…		…
768	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
769		769
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	774	close $fh;
775		775
776	if (@$objs) {	776	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	782	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
784	}	784	}
785	} else {	785	} else {
786	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
818	or return;	818	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
820	}	820	}
821		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	824	return ($data, $av);
823	}	825	}
824		826
825	#############################################################################	827	#############################################################################
826	# command handling &c	828	# command handling &c
…		…
851	=cut	853	=cut
852		854
853	sub register_extcmd {	855	sub register_extcmd {
854	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
855		857
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
860	}	859	}
861		860
862	cf::player->attach (	861	cf::player->attach (
863	on_command => sub {	862	on_command => sub {
864	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
877		876
878	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
879		878
880	if (ref $msg) {	879	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	883	}
885	}	884	}
886	} else {	885	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		888
890	cf::override;	889	cf::override;
891	},	890	},
892	);	891	);
893		892
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	893	sub load_extension {
901	my ($path) = @_;	894	my ($path) = @_;
902		895
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	897	my $base = $1;
905	my $pkg = $1;	898	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
908		901
909	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
910		903
911	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
912	or die "$path: $!";	905	or die "$path: $!";
913		906
914	my $source =	907	my $source =
915	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
918	. "\n};\n1";	911	. "\n};\n1";
919		912
920	eval $source	913	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	915	: "extension disabled.\n";
923		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	917	warn $@;
925	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
926		919	exit 1;
927	# no strict 'refs';	920	}
928	# @{"$pkg\::ISA"} = ext::;	921	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	# }	922	}
943		923
944	# remove commands	924	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	}	925	}
969		926
970	sub load_extensions {	927	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	929	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
977	}	934	}
978	}	935	}
979		936
980	#############################################################################	937	#############################################################################
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		938
1018	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1019		940
1020	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1021		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1022	=head3 cf::player	949	=head3 cf::player
1023		950
1024	=over 4	951	=over 4
1025		952
1026	=item cf::player::exists $login	953	=item cf::player::find $login
1027		954
1028	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1029		956
1030	=cut	957	=cut
1031		958
1032	sub cf::player::exists($) {	959	sub playerdir($) {
1033	cf::player::find $_[0]	960	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	961	. "/"
		962	. cf::playerdir
		963	. "/"
		964	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1035	}	965	}
1036		966
		967	sub path($) {
		968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		969
		970	(playerdir $login) . "/playerdata"
		971	}
		972
		973	sub find_active($) {
		974	$cf::PLAYER{$_[0]}
		975	and $cf::PLAYER{$_[0]}->active
		976	and $cf::PLAYER{$_[0]}
		977	}
		978
		979	sub exists($) {
		980	my ($login) = @_;
		981
		982	$cf::PLAYER{$login}
		983	or cf::sync_job { !aio_stat path $login }
		984	}
		985
		986	sub find($) {
		987	return $cf::PLAYER{$_[0]} || do {
		988	my $login = $_[0];
		989
		990	my $guard = cf::lock_acquire "user_find:$login";
		991
		992	$cf::PLAYER{$_[0]} || do {
		993	# rename old playerfiles to new ones
		994	#TODO: remove when no longer required
		995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		997	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		998	aio_unlink +(playerdir $login) . "/$login.pl";
		999
		1000	my $pl = load_pl path $login
		1001	or return;
		1002	$cf::PLAYER{$login} = $pl
		1003	}
		1004	}
		1005	}
		1006
		1007	sub save($) {
		1008	my ($pl) = @_;
		1009
		1010	return if $pl->{deny_save};
		1011
		1012	my $path = path $pl;
		1013	my $guard = cf::lock_acquire "user_save:$path";
		1014
		1015	return if $pl->{deny_save};
		1016
		1017	aio_mkdir playerdir $pl, 0770;
		1018	$pl->{last_save} = $cf::RUNTIME;
		1019
		1020	$pl->save_pl ($path);
		1021	Coro::cede;
		1022	}
		1023
		1024	sub new($) {
		1025	my ($login) = @_;
		1026
		1027	my $self = create;
		1028
		1029	$self->ob->name ($login);
		1030	$self->{deny_save} = 1;
		1031
		1032	$cf::PLAYER{$login} = $self;
		1033
		1034	$self
		1035	}
		1036
		1037	=item $pl->quit_character
		1038
		1039	Nukes the player without looking back. If logged in, the connection will
		1040	be destroyed. May block for a long time.
		1041
		1042	=cut
		1043
		1044	sub quit_character {
		1045	my ($pl) = @_;
		1046
		1047	my $name = $pl->ob->name;
		1048
		1049	$pl->{deny_save} = 1;
		1050	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1051
		1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1053	$pl->deactivate;
		1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1055	$pl->ns->destroy if $pl->ns;
		1056
		1057	my $path = playerdir $pl;
		1058	my $temp = "$path~$cf::RUNTIME~deleting~";
		1059	aio_rename $path, $temp;
		1060	delete $cf::PLAYER{$pl->ob->name};
		1061	$pl->destroy;
		1062
		1063	my $prefix = qr<^~\Q$name\E/>;
		1064
		1065	# nuke player maps
		1066	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1067
		1068	IO::AIO::aio_rmtree $temp;
		1069	}
		1070
		1071	=item $pl->kick
		1072
		1073	Kicks a player out of the game. This destroys the connection.
		1074
		1075	=cut
		1076
		1077	sub kick {
		1078	my ($pl, $kicker) = @_;
		1079
		1080	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1081	$pl->killer ("kicked");
		1082	$pl->ns->destroy;
		1083	}
		1084
		1085	=item cf::player::list_logins
		1086
		1087	Returns am arrayref of all valid playernames in the system, can take a
		1088	while and may block, so not sync_job-capable, ever.
		1089
		1090	=cut
		1091
		1092	sub list_logins {
		1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1094	or return [];
		1095
		1096	my @logins;
		1097
		1098	for my $login (@$dirs) {
		1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1100	aio_read $fh, 0, 512, my $buf, 0 or next;
		1101	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1102
		1103	utf8::decode $login;
		1104	push @logins, $login;
		1105	}
		1106
		1107	\@logins
		1108	}
		1109
		1110	=item $player->maps
		1111
		1112	Returns an arrayref of map paths that are private for this
		1113	player. May block.
		1114
		1115	=cut
		1116
		1117	sub maps($) {
		1118	my ($pl) = @_;
		1119
		1120	$pl = ref $pl ? $pl->ob->name : $pl;
		1121
		1122	my $files = aio_readdir playerdir $pl
		1123	or return;
		1124
		1125	my @paths;
		1126
		1127	for (@$files) {
		1128	utf8::decode $_;
		1129	next if /\.(?:pl|pst)$/;
		1130	next unless /^$PATH_SEP/o;
		1131
		1132	push @paths, cf::map::normalise "~$pl/$_";
		1133	}
		1134
		1135	\@paths
		1136	}
		1137
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1038		1139
1039	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1040		1141
1041	=cut	1142	=cut
1042		1143
1043	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1044	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1045		1146
1046	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1047		1148
1048	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		1159	my ($self, $type, %msg) = @_;
		1160
		1161	$self->ns->ext_event ($type, %msg);
		1162	}
		1163
		1164	=head3 cf::region
		1165
		1166	=over 4
		1167
		1168	=cut
		1169
		1170	package cf::region;
		1171
		1172	=item cf::region::find_by_path $path
		1173
		1174	Tries to decuce the probable region for a map knowing only its path.
		1175
		1176	=cut
		1177
		1178	sub find_by_path($) {
		1179	my ($path) = @_;
		1180
		1181	my ($match, $specificity);
		1182
		1183	for my $region (list) {
		1184	if ($region->match && $path =~ $region->match) {
		1185	($match, $specificity) = ($region, $region->specificity)
		1186	if $region->specificity > $specificity;
		1187	}
		1188	}
		1189
		1190	$match
1049	}	1191	}
1050		1192
1051	=back	1193	=back
1052
1053		1194
1054	=head3 cf::map	1195	=head3 cf::map
1055		1196
1056	=over 4	1197	=over 4
1057		1198
…		…
1060	package cf::map;	1201	package cf::map;
1061		1202
1062	use Fcntl;	1203	use Fcntl;
1063	use Coro::AIO;	1204	use Coro::AIO;
1064		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1065	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1067		1212
1068	sub generate_random_map {	1213	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1216	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1225	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1227	(cf::region::find $rmp->{region}), $rmp->{custom}
		1228	)
		1229	}
		1230
		1231	=item cf::map->register ($regex, $prio)
		1232
		1233	Register a handler for the map path matching the given regex at the
		1234	givne priority (higher is better, built-in handlers have priority 0, the
		1235	default).
		1236
		1237	=cut
		1238
		1239	sub register {
		1240	my (undef, $regex, $prio) = @_;
		1241	my $pkg = caller;
		1242
		1243	no strict;
		1244	push @{"$pkg\::ISA"}, __PACKAGE__;
		1245
		1246	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1247	}
		1248
		1249	# also paths starting with '/'
		1250	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1251
		1252	sub thawer_merge {
		1253	my ($self, $merge) = @_;
		1254
		1255	# we have to keep some variables in memory intact
		1256	local $self->{path};
		1257	local $self->{load_path};
		1258	local $self->{deny_save};
		1259	local $self->{deny_reset};
		1260
		1261	$self->SUPER::thawer_merge ($merge);
		1262	}
		1263
		1264	sub normalise {
		1265	my ($path, $base) = @_;
		1266
		1267	$path = "$path"; # make sure its a string
		1268
		1269	$path =~ s/\.map$//;
		1270
		1271	# map plan:
		1272	#
		1273	# /! non-realised random map exit (special hack!)
		1274	# {... are special paths that are not being touched
		1275	# ?xxx/... are special absolute paths
		1276	# ?random/... random maps
		1277	# /... normal maps
		1278	# ~user/... per-player map of a specific user
		1279
		1280	$path =~ s/$PATH_SEP/\//go;
		1281
		1282	# treat it as relative path if it starts with
		1283	# something that looks reasonable
		1284	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1285	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1286
		1287	$base =~ s{[^/]+/?$}{};
		1288	$path = "$base/$path";
		1289	}
		1290
		1291	for ($path) {
		1292	redo if s{//}{/};
		1293	redo if s{/\.?/}{/};
		1294	redo if s{/[^/]+/\.\./}{/};
		1295	}
		1296
		1297	$path
		1298	}
		1299
		1300	sub new_from_path {
		1301	my (undef, $path, $base) = @_;
		1302
		1303	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1304
		1305	$path = normalise $path, $base;
		1306
		1307	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1308	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1309	my $self = bless cf::map::new, $pkg;
		1310	$self->{path} = $path; $self->path ($path);
		1311	$self->init; # pass $1 etc.
		1312	return $self;
		1313	}
		1314	}
		1315
		1316	Carp::carp "unable to resolve path '$path' (base '$base').";
		1317	()
		1318	}
		1319
		1320	sub init {
		1321	my ($self) = @_;
		1322
		1323	$self
		1324	}
		1325
		1326	sub as_string {
		1327	my ($self) = @_;
		1328
		1329	"$self->{path}"
		1330	}
		1331
		1332	# the displayed name, this is a one way mapping
		1333	sub visible_name {
		1334	&as_string
		1335	}
		1336
		1337	# the original (read-only) location
		1338	sub load_path {
		1339	my ($self) = @_;
		1340
		1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1342	}
		1343
		1344	# the temporary/swap location
		1345	sub save_path {
		1346	my ($self) = @_;
		1347
		1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1350	}
		1351
		1352	# the unique path, undef == no special unique path
		1353	sub uniq_path {
		1354	my ($self) = @_;
		1355
		1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1358	}
1086		1359
1087	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1088	# all maps in C++...	1361	# all maps in C++...
1089	sub change_all_map_light {	1362	sub change_all_map_light {
1090	my ($change) = @_;	1363	my ($change) = @_;
1091		1364
1092	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1093	}	1367	}
1094		1368
		1369	sub unlink_save {
		1370	my ($self) = @_;
		1371
		1372	utf8::encode (my $save = $self->save_path);
		1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1374	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1375	}
		1376
1095	sub try_load_header($) {	1377	sub load_header_from($) {
1096	my ($path) = @_;	1378	my ($self, $path) = @_;
1097		1379
1098	utf8::encode $path;	1380	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1100	or return;	1385	or return;
1101		1386
1102	my $map = cf::map::new	1387	$self->{load_path} = $path;
		1388
		1389	1
		1390	}
		1391
		1392	sub load_header_orig {
		1393	my ($self) = @_;
		1394
		1395	$self->load_header_from ($self->load_path)
		1396	}
		1397
		1398	sub load_header_temp {
		1399	my ($self) = @_;
		1400
		1401	$self->load_header_from ($self->save_path)
		1402	}
		1403
		1404	sub prepare_temp {
		1405	my ($self) = @_;
		1406
		1407	$self->last_access ((delete $self->{last_access})
		1408	|| $cf::RUNTIME); #d#
		1409	# safety
		1410	$self->{instantiate_time} = $cf::RUNTIME
		1411	if $self->{instantiate_time} > $cf::RUNTIME;
		1412	}
		1413
		1414	sub prepare_orig {
		1415	my ($self) = @_;
		1416
		1417	$self->{load_original} = 1;
		1418	$self->{instantiate_time} = $cf::RUNTIME;
		1419	$self->last_access ($cf::RUNTIME);
		1420	$self->instantiate;
		1421	}
		1422
		1423	sub load_header {
		1424	my ($self) = @_;
		1425
		1426	if ($self->load_header_temp) {
		1427	$self->prepare_temp;
		1428	} else {
		1429	$self->load_header_orig
1103	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1104		1433
1105	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1106	or return;	1435	unless $self->default_region;
1107		1436
1108	$map->{load_path} = $path;	1437	1
1109
1110	$map
1111	}	1438	}
1112		1439
		1440	sub find;
1113	sub find_map {	1441	sub find {
1114	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1115		1443
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1445
		1446	cf::lock_wait "map_find:$path";
		1447
1121	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1122	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1450	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;	1451	or return;
1137		1452
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;	1453	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		1454
1151	if ($map->should_reset) {	1455	$map->load_header
		1456	or return;
		1457
		1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1459	# doing this can freeze the server in a sync job, obviously
		1460	#$cf::WAIT_FOR_TICK->wait;
1152	$map->reset;	1461	$map->reset;
1153	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1154	}	1464	}
1155		1465
1156	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1157	}	1467	}
1158	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1159		1472
1160	sub load {	1473	sub load {
1161	my ($self) = @_;	1474	my ($self) = @_;
1162		1475
		1476	local $self->{deny_reset} = 1; # loading can take a long time
		1477
		1478	my $path = $self->{path};
		1479	my $guard = cf::lock_acquire "map_load:$path";
		1480
1163	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1164		1482
1165	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1166		1484
1167	my $path = $self->{path};
1168
1169	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1170	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1171	or return;	1490	or return;
1172		1491
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1174	if delete $self->{load_original};	1493	if delete $self->{load_original};
1175		1494
1176	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	1496	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1179	$self->clear_unique_items;	1498	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1181	}	1500	}
1182	}	1501	}
		1502
		1503	Coro::cede;
1183		1504
1184	# now do the right thing for maps	1505	# now do the right thing for maps
1185	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1186		1507
1187	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1188	$self->{deny_save} = 1;	1509	$self->decay_objects;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1194	$self->set_darkness_map;	1513	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1197	$self->activate;	1517	$self->activate;
1198	}	1518	}
1199		1519
		1520	$self->post_load;
		1521
1200	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1201	}	1523	}
1202		1524
1203	sub load_map_sync {	1525	sub customise_for {
		1526	my ($self, $ob) = @_;
		1527
		1528	return find "~" . $ob->name . "/" . $self->{path}
		1529	if $self->per_player;
		1530
		1531	$self
		1532	}
		1533
		1534	# find and load all maps in the 3x3 area around a map
		1535	sub load_diag {
		1536	my ($map) = @_;
		1537
		1538	my @diag; # diagonal neighbours
		1539
		1540	for (0 .. 3) {
		1541	my $neigh = $map->tile_path ($_)
		1542	or next;
		1543	$neigh = find $neigh, $map
		1544	or next;
		1545	$neigh->load;
		1546
		1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1549	}
		1550
		1551	for (@diag) {
		1552	my $neigh = find @$_
		1553	or next;
		1554	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1204	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1205		1560
1206	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1207		1563
1208	cf::sync_job {	1564	sub do_load_sync {
1209	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1210	or return;	1566
		1567	cf::sync_job { $map->load };
		1568	}
		1569
		1570	our %MAP_PREFETCH;
		1571	our $MAP_PREFETCHER = undef;
		1572
		1573	sub find_async {
		1574	my ($path, $origin) = @_;
		1575
		1576	$path = normalise $path, $origin && $origin->{path};
		1577
		1578	if (my $map = $cf::MAP{$path}) {
		1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1580	}
		1581
		1582	undef $MAP_PREFETCH{$path};
		1583	$MAP_PREFETCHER ||= cf::async {
		1584	while (%MAP_PREFETCH) {
		1585	for my $path (keys %MAP_PREFETCH) {
		1586	my $map = find $path
		1587	or next;
1211	$map->load;	1588	$map->load;
1212	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1213	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1214	}	1598	}
1215		1599
1216	sub save {	1600	sub save {
1217	my ($self) = @_;	1601	my ($self) = @_;
1218		1602
		1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1604
1219	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1220		1606
1221	return unless $self->dirty;	1607	return unless $self->dirty;
1222		1608
1223	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1224	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1225		1611
1226	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1227		1613
1228	return if $self->{deny_save};	1614	return if $self->{deny_save};
1229		1615
		1616	local $self->{last_access} = $self->last_access;#d#
		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1230	if ($uniq) {	1622	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {	1625	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}	1627	}
1236	}	1628	}
1237		1629
1238	sub swap_out {	1630	sub swap_out {
1239	my ($self) = @_;	1631	my ($self) = @_;
		1632
		1633	# save first because save cedes
		1634	$self->save;
		1635
		1636	my $lock = cf::lock_acquire "map_data:" . $self->path;
1240		1637
1241	return if $self->players;	1638	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};	1640	return if $self->{deny_save};
1244		1641
1245	$self->save;
1246	$self->clear;	1642	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);	1643	$self->in_memory (cf::MAP_SWAPPED);
1248	}	1644	}
1249		1645
1250	sub reset_at {	1646	sub reset_at {
1251	my ($self) = @_;	1647	my ($self) = @_;
1252		1648
1253	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1255	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1256		1652
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		1655
…		…
1264	my ($self) = @_;	1660	my ($self) = @_;
1265		1661
1266	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1267	}	1663	}
1268		1664
1269	sub unlink_save {
1270	my ($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	$self->save;
1288	}
1289
1290	sub reset {	1665	sub reset {
1291	my ($self) = @_;	1666	my ($self) = @_;
1292		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1293	return if $self->players;	1670	return if $self->players;
1294	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1295		1672
1296	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1297		1674
		1675	$self->in_memory (cf::MAP_SWAPPED);
		1676
		1677	# need to save uniques path
		1678	unless ($self->{deny_save}) {
		1679	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1680
		1681	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1682	if $uniq;
		1683	}
		1684
1298	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1299		1688
1300	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1301		1690
1302	$self->unlink_save;	1691	$self->unlink_save;
1303	$self->destroy;	1692	$self->destroy;
…		…
1306	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1307		1696
1308	sub nuke {	1697	sub nuke {
1309	my ($self) = @_;	1698	my ($self) = @_;
1310		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1314	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1315	}	1713	}
1316		1714
1317	sub customise_for {	1715	=item cf::map::unique_maps
1318	my ($map, $ob) = @_;
1319		1716
1320	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1322	}
1323		1719
1324	$map	1720	=cut
1325	}
1326		1721
1327	sub emergency_save {	1722	sub unique_maps() {
1328	local $cf::FREEZE = 1;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1329		1725
1330	warn "enter emergency map save\n";	1726	my @paths;
1331		1727
1332	cf::sync_job {	1728	for (@$files) {
1333	warn "begin emergency map save\n";	1729	utf8::decode $_;
1334	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1335	};	1734	}
1336		1735
1337	warn "end emergency map save\n";	1736	\@paths
1338	}	1737	}
1339		1738
1340	package cf;	1739	package cf;
1341		1740
1342	=back	1741	=back
1343		1742
		1743	=head3 cf::object
		1744
		1745	=cut
		1746
		1747	package cf::object;
		1748
		1749	=over 4
		1750
		1751	=item $ob->inv_recursive
		1752
		1753	Returns the inventory of the object _and_ their inventories, recursively.
		1754
		1755	=cut
		1756
		1757	sub inv_recursive_;
		1758	sub inv_recursive_ {
		1759	map { $_, inv_recursive_ $_->inv } @_
		1760	}
		1761
		1762	sub inv_recursive {
		1763	inv_recursive_ inv $_[0]
		1764	}
		1765
		1766	package cf;
		1767
		1768	=back
1344		1769
1345	=head3 cf::object::player	1770	=head3 cf::object::player
1346		1771
1347	=over 4	1772	=over 4
1348		1773
…		…
1388		1813
1389	=item $player_object->enter_link	1814	=item $player_object->enter_link
1390		1815
1391	Freezes the player and moves him/her to a special map (C<{link}>).	1816	Freezes the player and moves him/her to a special map (C<{link}>).
1392		1817
1393	The player should be reaosnably safe there for short amounts of time. You	1818	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.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1395		1820
		1821	Will never block.
		1822
1396	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1397		1824
1398	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	1828	fails, to the emergency map position.
1402		1829
1403	Might block.	1830	Might block.
1404		1831
1405	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($LINK_MAP) {
		1836	$LINK_MAP = cf::map::find "{link}"
		1837	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1838	$LINK_MAP->load;
		1839	}
		1840
		1841	$LINK_MAP
		1842	}
1406		1843
1407	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1408	my ($self) = @_;	1845	my ($self) = @_;
1409		1846
1410	return if $self->map == $LINK_MAP;	1847	$self->deactivate_recursive;
1411		1848
		1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1850
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;	1852	if $self->map;
1414		1853
1415	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	$self->deactivate_recursive;
1417	}	1855	}
1418		1856
1419	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1421		1859
1422	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1423		1861
1424	unless ($map) {	1862	unless ($map) {
1425	# restore original map position	1863	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1428		1866
1429	unless ($map) {	1867	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1433	}	1871	}
1434	}	1872	}
1435		1873
1436	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1439	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1442		1880
1443	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1444		1883
		1884	return unless $self->contr->active;
1445	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1446	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1447	}	1889	}
1448		1890
		1891	cf::player->attach (
		1892	on_logout => sub {
		1893	my ($pl) = @_;
		1894
		1895	# abort map switching before logout
		1896	if ($pl->ob->{_link_pos}) {
		1897	cf::sync_job {
		1898	$pl->ob->leave_link
		1899	};
		1900	}
		1901	},
		1902	on_login => sub {
		1903	my ($pl) = @_;
		1904
		1905	# try to abort aborted map switching on player login :)
		1906	# should happen only on crashes
		1907	if ($pl->ob->{_link_pos}) {
		1908	$pl->ob->enter_link;
		1909	(async {
		1910	$pl->ob->reply (undef,
		1911	"There was an internal problem at your last logout, "
		1912	. "the server will try to bring you to your intended destination in a second.",
		1913	cf::NDI_RED);
		1914	# we need this sleep as the login has a concurrent enter_exit running
		1915	# and this sleep increases chances of the player not ending up in scorn
		1916	Coro::Timer::sleep 1;
		1917	$pl->ob->leave_link;
		1918	})->prio (2);
		1919	}
		1920	},
		1921	);
		1922
1449	=item $player_object->goto_map ($map, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1450		1924
1451	=cut	1925	=cut
1452		1926
1453	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1455		1929
1456	$self->enter_link;	1930	$self->enter_link;
1457		1931
1458	(Coro::async {	1932	(async {
1459	$path = new cf::path $path;	1933	my $map = eval {
1460
1461	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1462	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1463
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	1936	$map
1466		1937	} or
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1468		1939
1469	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1470	})->prio (1);	1941	})->prio (1);
1471	}	1942	}
1472		1943
…		…
1476		1947
1477	sub parse_random_map_params {	1948	sub parse_random_map_params {
1478	my ($spec) = @_;	1949	my ($spec) = @_;
1479		1950
1480	my $rmp = { # defaults	1951	my $rmp = { # defaults
1481	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1483	};	1956	};
1484		1957
1485	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1487		1960
…		…
1491	$rmp	1964	$rmp
1492	}	1965	}
1493		1966
1494	sub prepare_random_map {	1967	sub prepare_random_map {
1495	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1496		1971
1497	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1498	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1499	# that depends on the exit object	1974	# that depends on the exit object
1500		1975
1501	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1502		1977
1503	if ($exit->map) {	1978	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1508	}	1983	}
1509		1984
1510	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1511		1986
1512	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1513	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1514		1990
1515	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1516	aio_write $fh, 0, (length $data), $data, 0;	1992	aio_write $fh, 0, (length $data), $data, 0;
		1993	undef $fh;
		1994	aio_rename "$meta~", $meta;
1517		1995
1518	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	1997	$exit->msg (undef);
1520	}	1998	}
1521	}	1999	}
…		…
1523	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1525		2003
1526	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1527		2005
		2006	if ($exit->slaying eq "/!") {
		2007	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2008	# the problem is that $exit might not survive long enough
		2009	# so it needs to be done right now, right here
		2010	cf::sync_job { prepare_random_map $exit };
		2011	}
		2012
		2013	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2014	my $hp = $exit->stats->hp;
		2015	my $sp = $exit->stats->sp;
		2016
1528	$self->enter_link;	2017	$self->enter_link;
1529		2018
1530	(Coro::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1531	unless (eval {	2021	unless (eval {
1532		2022	$self->goto ($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		2023
1539	1;	2024	1;
1540	}) {	2025	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1542	. "I'll try to bring you back to the map you were before. "	2027	. "I'll try to bring you back to the map you were before. "
1543	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1545		2030
1546	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1547	$self->leave_link;	2032	$self->leave_link;
1548	}	2033	}
1549	})->prio (1);	2034	})->prio (1);
…		…
1562		2047
1563	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1565		2050
1566	utf8::encode $text;	2051	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2053	}
1569		2054
		2055	=item $client->ext_event ($type, %msg)
		2056
		2057	Sends an exti event to the client.
		2058
		2059	=cut
		2060
		2061	sub cf::client::ext_event($$%) {
		2062	my ($self, $type, %msg) = @_;
		2063
		2064	$msg{msgtype} = "event_$type";
		2065	$self->send_packet ("ext " . cf::to_json \%msg);
		2066	}
1570		2067
1571	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1572		2069
1573	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1574	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1599	on_reply => sub {	2096	on_reply => sub {
1600	my ($ns, $msg) = @_;	2097	my ($ns, $msg) = @_;
1601		2098
1602	# this weird shuffling is so that direct followup queries	2099	# this weird shuffling is so that direct followup queries
1603	# get handled first	2100	# get handled first
1604	my $queue = delete $ns->{query_queue};	2101	my $queue = delete $ns->{query_queue}
		2102	or return; # be conservative, not sure how that can happen, but we saw a crash here
1605		2103
1606	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		2106
1608	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1609		2108
1610	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	2110	if (@$queue) {
…		…
1615	}	2114	}
1616	}	2115	}
1617	},	2116	},
1618	);	2117	);
1619		2118
1620	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1621		2120
1622	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1623	be automatically cancelled when the client gets destroyed (e.g. on logout,	2122	be automatically cancelled when the client gets destroyed (e.g. on logout,
1624	or loss of connection).	2123	or loss of connection).
1625		2124
1626	=cut	2125	=cut
1627		2126
1628	sub cf::client::coro {	2127	sub cf::client::async {
1629	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1630		2129
1631	my $coro; $coro = async {	2130	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		2131
1638	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1640	});	2134	});
1641		2135
…		…
1674		2168
1675	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1676		2170
1677	=pod	2171	=pod
1678		2172
1679	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1680		2174
1681	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1682	cf::object::player player	2176	cf::object::player player
1683	cf::player peaceful	2177	cf::player peaceful
1684	cf::map trigger	2178	cf::map trigger
…		…
1777	The parameter C<$family> should best start with the name of the extension	2271	The parameter C<$family> should best start with the name of the extension
1778	using it, it should be unique.	2272	using it, it should be unique.
1779		2273
1780	=over 4	2274	=over 4
1781		2275
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	2276	=item $value = cf::db_get $family => $key
1789		2277
1790	Returns a single value from the database	2278	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		2279
1797	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1798		2281
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	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		2283
1810	=cut	2284	=cut
1811		2285
1812	our $DB;	2286	our $DB;
1813		2287
1814	{	2288	sub db_init {
		2289	unless ($DB) {
		2290	$DB = BDB::db_create $DB_ENV;
		2291
		2292	cf::sync_job {
		2293	eval {
		2294	$DB->set_flags (BDB::CHKSUM);
		2295
		2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2298	cf::cleanup "db_open(db): $!" if $!;
		2299	};
		2300	cf::cleanup "db_open(db): $@" if $@;
		2301	};
		2302
1815	my $path = cf::localdir . "/database.pst";	2303	my $path = cf::localdir . "/database.pst";
		2304	if (stat $path) {
		2305	cf::sync_job {
		2306	my $pst = Storable::retrieve $path;
1816		2307
1817	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1818	warn "loading database $path\n";#d# remove later	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1819	$DB = stat $path ? Storable::retrieve $path : { };	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
1820	}	2311	BDB::db_env_txn_checkpoint $DB_ENV;
1821		2312
1822	my $pid;	2313	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	}	2314	};
1833	}
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	});
1845
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}
1850
1851	sub db_get($;$) {
1852	@_ >= 2
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856
1857	sub db_put($$;$) {
1858	if (@_ >= 3) {
1859	$DB->{$_[0]}{$_[1]} = $_[2];
1860	} else {
1861	$DB->{$_[0]} = $_[1];
1862	}
1863	db_dirty;
1864	}
1865
1866	cf::global->attach (
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	2315	}
1871	);	2316	}
		2317	}
		2318
		2319	sub db_get($$) {
		2320	my $key = "$_[0]/$_[1]";
		2321
		2322	cf::sync_job {
		2323	BDB::db_get $DB, undef, $key, my $data;
		2324
		2325	$! ? ()
		2326	: Compress::LZF::sthaw $data
		2327	}
		2328	}
		2329
		2330	sub db_put($$$) {
		2331	BDB::dbreq_pri 4;
		2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1872	}	2333	}
1873		2334
1874	#############################################################################	2335	#############################################################################
1875	# the server's main()	2336	# the server's init and main functions
		2337
		2338	sub load_facedata {
		2339	my $path = sprintf "%s/facedata", cf::datadir;
		2340
		2341	warn "loading facedata from $path\n";
		2342
		2343	my $facedata;
		2344	0 < aio_load $path, $facedata
		2345	or die "$path: $!";
		2346
		2347	$facedata = Coro::Storable::thaw $facedata;
		2348
		2349	$facedata->{version} == 2
		2350	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2351
		2352	{
		2353	my $faces = $facedata->{faceinfo};
		2354
		2355	while (my ($face, $info) = each %$faces) {
		2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2360	Coro::cede;
		2361	}
		2362
		2363	while (my ($face, $info) = each %$faces) {
		2364	next unless $info->{smooth};
		2365	my $idx = cf::face::find $face
		2366	or next;
		2367	if (my $smooth = cf::face::find $info->{smooth}) {
		2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2369	} else {
		2370	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2371	}
		2372	Coro::cede;
		2373	}
		2374	}
		2375
		2376	{
		2377	my $anims = $facedata->{animinfo};
		2378
		2379	while (my ($anim, $info) = each %$anims) {
		2380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2381	Coro::cede;
		2382	}
		2383
		2384	cf::anim::invalidate_all; # d'oh
		2385	}
		2386
		2387	1
		2388	}
		2389
		2390	sub reload_resources {
		2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2392	or die "unable to load regions file\n";#d#
		2393	load_facedata
		2394	or die "unable to load facedata\n";#d#
		2395	}
		2396
		2397	sub init {
		2398	reload_resources;
		2399	}
1876		2400
1877	sub cfg_load {	2401	sub cfg_load {
1878	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1879	or return;	2403	or return;
1880		2404
1881	local $/;	2405	local $/;
1882	*CFG = YAML::Syck::Load <$fh>;	2406	*CFG = YAML::Syck::Load <$fh>;
		2407
		2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2409
		2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2412
		2413	if (exists $CFG{mlockall}) {
		2414	eval {
		2415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2416	and die "WARNING: m(un)lockall failed: $!\n";
		2417	};
		2418	warn $@ if $@;
		2419	}
1883	}	2420	}
1884		2421
1885	sub main {	2422	sub main {
1886	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	2426	(async {
1890	Event::one_event;	2427	Event::one_event;
1891	})->();	2428	})->prio (Coro::PRIO_MAX);
1892	};	2429	};
1893		2430
1894	cfg_load;	2431	cfg_load;
1895	db_load;	2432	db_init;
1896	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
1897	Event::loop;	2436	Event::loop;
1898	}	2437	}
1899		2438
1900	#############################################################################	2439	#############################################################################
1901	# initialisation	2440	# initialisation and cleanup
		2441
		2442	# install some emergency cleanup handlers
		2443	BEGIN {
		2444	for my $signal (qw(INT HUP TERM)) {
		2445	Event->signal (
		2446	reentrant => 0,
		2447	data => WF_AUTOCANCEL,
		2448	signal => $signal,
		2449	prio => 0,
		2450	cb => sub {
		2451	cf::cleanup "SIG$signal";
		2452	},
		2453	);
		2454	}
		2455	}
		2456
		2457	sub emergency_save() {
		2458	my $freeze_guard = cf::freeze_mainloop;
		2459
		2460	warn "enter emergency perl save\n";
		2461
		2462	cf::sync_job {
		2463	# use a peculiar iteration method to avoid tripping on perl
		2464	# refcount bugs in for. also avoids problems with players
		2465	# and maps saved/destroyed asynchronously.
		2466	warn "begin emergency player save\n";
		2467	for my $login (keys %cf::PLAYER) {
		2468	my $pl = $cf::PLAYER{$login} or next;
		2469	$pl->valid or next;
		2470	$pl->save;
		2471	}
		2472	warn "end emergency player save\n";
		2473
		2474	warn "begin emergency map save\n";
		2475	for my $path (keys %cf::MAP) {
		2476	my $map = $cf::MAP{$path} or next;
		2477	$map->valid or next;
		2478	$map->save;
		2479	}
		2480	warn "end emergency map save\n";
		2481
		2482	warn "begin emergency database checkpoint\n";
		2483	BDB::db_env_txn_checkpoint $DB_ENV;
		2484	warn "end emergency database checkpoint\n";
		2485	};
		2486
		2487	warn "leave emergency perl save\n";
		2488	}
		2489
		2490	sub post_cleanup {
		2491	my ($make_core) = @_;
		2492
		2493	warn Carp::longmess "post_cleanup backtrace"
		2494	if $make_core;
		2495	}
1902		2496
1903	sub reload() {	2497	sub reload() {
1904	# can/must only be called in main	2498	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
1906	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
1907	return;	2501	return;
1908	}	2502	}
1909		2503
1910	warn "reloading...";	2504	warn "reloading...";
1911		2505
1912	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
1913	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
1914		2512
1915	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
1916	# if anything goes wrong in here, we should simply crash as we already saved	2516	# if anything goes wrong in here, we should simply crash as we already saved
1917		2517
1918	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
1919	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}	2521	}
1922		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
1923	# cancel all extension coros	2534	warn "cancelling all extension coros";
1924	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	2536	%EXT_CORO = ();
1926		2537
1927	# unload all extensions	2538	warn "removing commands";
1928	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
1929	warn "unloading <$_>";	2546	warn "... unloading $pkg";
1930	unload_extension $_;	2547
		2548	if (my $cb = $pkg->can ("unload")) {
		2549	eval {
		2550	$cb->($pkg);
		2551	1
		2552	} or warn "$pkg unloaded, but with errors: $@";
1931	}	2553	}
1932		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
1933	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
1934	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1936		2562
1937	warn "removing <$k>";	2563	warn "... unloading $k";
1938	delete $INC{$k};	2564	delete $INC{$k};
1939		2565
1940	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
1942		2568
…		…
1945	}	2571	}
1946		2572
1947	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
1948	}	2574	}
1949		2575
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		2579
1958	# remove register_script_function callbacks
1959	# TODO
1960
1961	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
1962	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
1963		2582
1964	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
1965	# and global variables created in xs	2584	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
1967		2586
1968	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
1969	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
1970	require cf;	2590	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1972		2592
1973	# load config and database again	2593	warn "loading config and database again";
1974	cf::cfg_load;	2594	cf::cfg_load;
1975	cf::db_load;
1976		2595
1977	# load extensions
1978	warn "load extensions";	2596	warn "loading extensions";
1979	cf::load_extensions;	2597	cf::load_extensions;
1980		2598
1981	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
1982	warn "reattach";	2600	_global_reattach; # objects, sockets
1983	_global_reattach;	2601	warn "reattaching attachments to maps";
1984	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
1985		2605
1986	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
1987	warn $@;	2613	warn $@;
1988	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
1989	exit 1;	2615	exit 1;
1990	}	2616	};
1991		2617
1992	warn "reloaded successfully";	2618	warn "reloaded";
1993	};	2619	};
1994		2620
1995	#############################################################################	2621	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} = $LINK_MAP;
2036	}
2037
2038	register "<global>", __PACKAGE__;
2039		2622
2040	register_command "reload" => sub {	2623	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2042		2625
2043	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");	2627	$who->message ("reloading server.");
		2628
		2629	# doing reload synchronously and two reloads happen back-to-back,
		2630	# coro crashes during coro_state_free->destroy here.
		2631
		2632	$RELOAD_WATCHER ||= Event->timer (
		2633	reentrant => 0,
		2634	after => 0,
		2635	data => WF_AUTOCANCEL,
		2636	cb => sub {
2045	reload;	2637	reload;
2046	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2047	}	2641	}
2048	};	2642	};
2049		2643
2050	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2051		2647
2052	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2053	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2054	prio => 0,	2651	prio => 0,
2055	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2056	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2057	cb => sub {	2654	cb => sub {
2058	unless ($FREEZE) {	2655	if ($Coro::current != $Coro::main) {
		2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2657	unless ++$bug_warning > 10;
		2658	return;
		2659	}
		2660
		2661	$NOW = Event::time;
		2662
2059	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2061	}
2062
2063	$NEXT_TICK += $TICK;	2665	$NEXT_TICK += $TICK;
		2666
		2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2668	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2669	Coro::async_pool {
		2670	write_runtime
		2671	or warn "ERROR: unable to write runtime file: $!";
		2672	};
		2673	}
		2674
		2675	$WAIT_FOR_TICK->broadcast;
		2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2677
		2678	# my $AFTER = Event::time;
		2679	# warn $AFTER - $NOW;#d#
2064		2680
2065	# if we are delayed by four ticks or more, skip them all	2681	# if we are delayed by four ticks or more, skip them all
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2067		2683
2068	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2069	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2070	},	2686	},
2071	);	2687	);
2072		2688
		2689	{
2073	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2074		2691	$BDB_POLL_WATCHER = Event->io (
2075	Event->io (	2692	reentrant => 0,
2076	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2077	poll => 'r',	2694	poll => 'r',
2078	prio => 5,	2695	prio => 0,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2085	after => 0,	2697	cb => \&BDB::poll_cb,
2086	interval => 10,	2698	);
2087	cb => sub {	2699	BDB::min_parallel 8;
2088	(Coro::unblock_sub {	2700
2089	write_runtime	2701	BDB::set_sync_prepare {
2090	or warn "ERROR: unable to write runtime file: $!";	2702	my $status;
		2703	my $current = $Coro::current;
		2704	(
		2705	sub {
		2706	$status = $!;
		2707	$current->ready; undef $current;
		2708	},
		2709	sub {
		2710	Coro::schedule while defined $current;
		2711	$! = $status;
		2712	},
		2713	)
		2714	};
		2715
		2716	unless ($DB_ENV) {
		2717	$DB_ENV = BDB::db_env_create;
		2718
		2719	cf::sync_job {
		2720	eval {
		2721	BDB::db_env_open
		2722	$DB_ENV,
		2723	$BDB_ENV_DIR,
		2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2726	0666;
		2727
		2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2729
		2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2731	$DB_ENV->set_lk_detect;
		2732	};
		2733
		2734	cf::cleanup "db_env_open(db): $@" if $@;
2091	})->();	2735	};
2092	},	2736	}
2093	);	2737	}
		2738
		2739	{
		2740	IO::AIO::min_parallel 8;
		2741
		2742	undef $Coro::AIO::WATCHER;
		2743	IO::AIO::max_poll_time $TICK * 0.1;
		2744	$AIO_POLL_WATCHER = Event->io (
		2745	reentrant => 0,
		2746	data => WF_AUTOCANCEL,
		2747	fd => IO::AIO::poll_fileno,
		2748	poll => 'r',
		2749	prio => 6,
		2750	cb => \&IO::AIO::poll_cb,
		2751	);
		2752	}
		2753
		2754	END { cf::emergency_save }
2094		2755
2095	1	2756	1
2096		2757

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