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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.119 by root, Tue Jan 2 08:26:42 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";
…		…
853	=cut	853	=cut
854		854
855	sub register_extcmd {	855	sub register_extcmd {
856	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
857		857
858	my $caller = caller;
859	#warn "registering extcmd '$name' to '$caller'";
860
861	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
862	}	859	}
863		860
864	cf::player->attach (	861	cf::player->attach (
865	on_command => sub {	862	on_command => sub {
866	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
879		876
880	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
881		878
882	if (ref $msg) {	879	if (ref $msg) {
883	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
884	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
885	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
886	}	883	}
887	}	884	}
888	} else {	885	} else {
889	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
891		888
892	cf::override;	889	cf::override;
893	},	890	},
894	);	891	);
895		892
896	sub register {
897	my ($base, $pkg) = @_;
898
899	#TODO
900	}
901
902	sub load_extension {	893	sub load_extension {
903	my ($path) = @_;	894	my ($path) = @_;
904		895
905	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
906	my $base = $1;	897	my $base = $1;
907	my $pkg = $1;	898	my $pkg = $1;
908	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
909	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
910		901
911	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
912		903
913	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
914	or die "$path: $!";	905	or die "$path: $!";
915		906
916	my $source =	907	my $source =
917	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
918	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
919	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
920	. "\n};\n1";	911	. "\n};\n1";
921		912
922	eval $source	913	unless (eval $source) {
923	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
924	: "extension disabled.\n";	915	: "extension disabled.\n";
925		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
926	push @exts, $pkg;	917	warn $@;
927	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
928		919	exit 1;
929	# no strict 'refs';	920	}
930	# @{"$pkg\::ISA"} = ext::;	921	die $@;
931
932	register $base, $pkg;
933	}
934
935	sub unload_extension {
936	my ($pkg) = @_;
937
938	warn "removing extension $pkg\n";
939
940	# remove hooks
941	#TODO
942	# for my $idx (0 .. $#PLUGIN_EVENT) {
943	# delete $hook[$idx]{$pkg};
944	# }	922	}
945		923
946	# remove commands	924	push @EXTS, $pkg;
947	for my $name (keys %COMMAND) {
948	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
949
950	if (@cb) {
951	$COMMAND{$name} = \@cb;
952	} else {
953	delete $COMMAND{$name};
954	}
955	}
956
957	# remove extcmds
958	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
959	delete $EXTCMD{$name};
960	}
961
962	if (my $cb = $pkg->can ("unload")) {
963	eval {
964	$cb->($pkg);
965	1
966	} or warn "$pkg unloaded, but with errors: $@";
967	}
968
969	Symbol::delete_package $pkg;
970	}	925	}
971		926
972	sub load_extensions {	927	sub load_extensions {
973	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
974	next unless -r $ext;	929	next unless -r $ext;
…		…
978	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
979	}	934	}
980	}	935	}
981		936
982	#############################################################################	937	#############################################################################
983	# load/save/clean perl data associated with a map
984
985	*cf::mapsupport::on_clean = sub {
986	my ($map) = @_;
987
988	my $path = $map->tmpname;
989	defined $path or return;
990
991	unlink "$path.pst";
992	};
993
994	cf::map->attach (prio => -10000, package => cf::mapsupport::);
995
996	#############################################################################
997	# load/save perl data associated with player->ob objects
998
999	sub all_objects(@) {
1000	@_, map all_objects ($_->inv), @_
1001	}
1002
1003	# TODO: compatibility cruft, remove when no longer needed
1004	cf::player->attach (
1005	on_load => sub {
1006	my ($pl, $path) = @_;
1007
1008	for my $o (all_objects $pl->ob) {
1009	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1010	$o->set_ob_key_value ("_perl_data");
1011
1012	%$o = %{ Storable::thaw pack "H*", $value };
1013	}
1014	}
1015	},
1016	);
1017
1018	#############################################################################
1019		938
1020	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1021		940
1022	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1023		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1024	=head3 cf::player	949	=head3 cf::player
1025		950
1026	=over 4	951	=over 4
1027		952
1028	=item cf::player::exists $login	953	=item cf::player::find $login
1029		954
1030	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1031		956
1032	=cut	957	=cut
1033		958
1034	sub cf::player::exists($) {	959	sub playerdir($) {
1035	cf::player::find $_[0]	960	cf::localdir
1036	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])
1037	}	965	}
1038		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
1039	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1040		1139
1041	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1042		1141
1043	=cut	1142	=cut
1044		1143
1045	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1046	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1047		1146
1048	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1049		1148
1050	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1051	}	1191	}
1052		1192
1053	=back	1193	=back
1054
1055		1194
1056	=head3 cf::map	1195	=head3 cf::map
1057		1196
1058	=over 4	1197	=over 4
1059		1198
…		…
1062	package cf::map;	1201	package cf::map;
1063		1202
1064	use Fcntl;	1203	use Fcntl;
1065	use Coro::AIO;	1204	use Coro::AIO;
1066		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1067	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1068	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1069		1212
1070	sub generate_random_map {	1213	sub generate_random_map {
1071	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1072
1073	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1074	cf::map::_create_random_map	1216	$self->_create_random_map (
1075	$path,
1076	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1077	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1078	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1079	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1080	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1081	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1082	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1083	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1084	$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},
1085	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1086	(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, $path
1087	}	1358	}
1088		1359
1089	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1090	# all maps in C++...	1361	# all maps in C++...
1091	sub change_all_map_light {	1362	sub change_all_map_light {
1092	my ($change) = @_;	1363	my ($change) = @_;
1093		1364
1094	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1095	}	1367	}
1096		1368
		1369	sub unlink_save {
		1370	my ($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
1097	sub try_load_header($) {	1377	sub load_header_from($) {
1098	my ($path) = @_;	1378	my ($self, $path) = @_;
1099		1379
1100	utf8::encode $path;	1380	utf8::encode $path;
1101	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1102	or return;	1385	or return;
1103		1386
1104	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
1105	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1106		1433
1107	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1108	or return;	1435	unless $self->default_region;
1109		1436
1110	$map->{load_path} = $path;	1437	1
1111
1112	$map
1113	}	1438	}
1114		1439
		1440	sub find;
1115	sub find_map {	1441	sub find {
1116	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1117		1443
1118	#warn "find_map<$path,$origin>\n";#d#
1119
1120	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1121	my $key = $path->as_string;
1122		1445
		1446	cf::lock_wait "map_find:$path";
		1447
1123	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1124	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1125	my $map = try_load_header $path->save_path;	1450	my $map = new_from_path cf::map $path
1126
1127	if ($map) {
1128	# safety
1129	$map->{instantiate_time} = $cf::RUNTIME
1130	if $map->{instantiate_time} > $cf::RUNTIME;
1131	} else {
1132	if (my $rmp = $path->random_map_params) {
1133	$map = generate_random_map $key, $rmp;
1134	} else {
1135	$map = try_load_header $path->load_path;
1136	}
1137
1138	$map or return;	1451	or return;
1139		1452
1140	$map->{load_original} = 1;
1141	$map->{instantiate_time} = $cf::RUNTIME;
1142	$map->instantiate;
1143
1144	# per-player maps become, after loading, normal maps
1145	$map->per_player (0) if $path->{user_rel};
1146	}
1147	#Coro::Timer::sleep 1;#d#
1148
1149	$map->path ($key);
1150	$map->{path} = $path;
1151	$map->{last_save} = $cf::RUNTIME;	1453	$map->{last_save} = $cf::RUNTIME;
1152	$map->last_access ($cf::RUNTIME);
1153		1454
1154	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;
1155	$map->reset;	1461	$map->reset;
1156	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1157	}	1464	}
1158		1465
1159	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1160	}	1467	}
1161	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1162		1472
1163	sub load {	1473	sub load {
1164	my ($self) = @_;	1474	my ($self) = @_;
1165		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
1166	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1167		1482
1168	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1169		1484
1170	my $path = $self->{path};
1171
1172	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1173	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1174	or return;	1490	or return;
1175		1491
1176	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1177	if delete $self->{load_original};	1493	if delete $self->{load_original};
1178		1494
1179	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1180	utf8::encode $uniq;	1496	utf8::encode $uniq;
1181	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1182	$self->clear_unique_items;	1498	$self->clear_unique_items;
1183	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1184	}	1500	}
1185	}	1501	}
		1502
		1503	Coro::cede;
1186		1504
1187	# now do the right thing for maps	1505	# now do the right thing for maps
1188	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1189		1507
1190	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1191	$self->{deny_save} = 1;	1509	$self->decay_objects;
1192	$self->{deny_reset} = 1;
1193	} else {
1194	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1195	$self->decay_objects;
1196	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1197	$self->set_darkness_map;	1513	$self->set_darkness_map;
1198	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1199	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1200	$self->activate;	1517	$self->activate;
1201	}	1518	}
1202		1519
		1520	$self->post_load;
		1521
1203	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1204	}	1523	}
1205		1524
1206	sub load_map_sync {	1525	sub customise_for {
		1526	my ($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	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1207	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1208		1560
1209	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1210		1563
1211	cf::sync_job {	1564	sub do_load_sync {
1212	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1213	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;
1214	$map->load;	1588	$map->load;
1215	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1216	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1217	}	1598	}
1218		1599
1219	sub save {	1600	sub save {
1220	my ($self) = @_;	1601	my ($self) = @_;
1221		1602
		1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1604
1222	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1223		1606
1224	return unless $self->dirty;	1607	return unless $self->dirty;
1225		1608
1226	my $save = $self->{path}->save_path; utf8::encode $save;	1609	my $save = $self->save_path; utf8::encode $save;
1227	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
1228		1611
1229	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1230		1613
1231	return if $self->{deny_save};	1614	return if $self->{deny_save};
1232		1615
		1616	local $self->{last_access} = $self->last_access;#d#
		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1233	if ($uniq) {	1622	if ($uniq) {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1235	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1236	} else {	1625	} else {
1237	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1238	}	1627	}
1239	}	1628	}
1240		1629
1241	sub swap_out {	1630	sub swap_out {
1242	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;
1243		1637
1244	return if $self->players;	1638	return if $self->players;
1245	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1246	return if $self->{deny_save};	1640	return if $self->{deny_save};
1247		1641
1248	$self->save;
1249	$self->clear;	1642	$self->clear;
1250	$self->in_memory (cf::MAP_SWAPPED);	1643	$self->in_memory (cf::MAP_SWAPPED);
1251	}	1644	}
1252		1645
1253	sub reset_at {	1646	sub reset_at {
1254	my ($self) = @_;	1647	my ($self) = @_;
1255		1648
1256	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1257	return 1e99 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1258	return 1e99 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1259		1652
1260	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1261	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1262		1655
…		…
1267	my ($self) = @_;	1660	my ($self) = @_;
1268		1661
1269	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1270	}	1663	}
1271		1664
1272	sub unlink_save {
1273	my ($self) = @_;
1274
1275	utf8::encode (my $save = $self->{path}->save_path);
1276	aioreq_pri 3; IO::AIO::aio_unlink $save;
1277	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1278	}
1279
1280	sub rename {
1281	my ($self, $new_path) = @_;
1282
1283	$self->unlink_save;
1284
1285	delete $cf::MAP{$self->path};
1286	$self->{path} = new cf::path $new_path;
1287	$self->path ($self->{path}->as_string);
1288	$cf::MAP{$self->path} = $self;
1289
1290	$self->save;
1291	}
1292
1293	sub reset {	1665	sub reset {
1294	my ($self) = @_;	1666	my ($self) = @_;
1295		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1296	return if $self->players;	1670	return if $self->players;
1297	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1298		1672
1299	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1300		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
1301	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1302		1688
1303	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1304		1690
1305	$self->unlink_save;	1691	$self->unlink_save;
1306	$self->destroy;	1692	$self->destroy;
…		…
1309	my $nuke_counter = "aaaa";	1695	my $nuke_counter = "aaaa";
1310		1696
1311	sub nuke {	1697	sub nuke {
1312	my ($self) = @_;	1698	my ($self) = @_;
1313		1699
		1700	delete $cf::MAP{$self->path};
		1701
		1702	$self->unlink_save;
		1703
		1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
1314	$self->{deny_save} = 1;	1706	$self->{deny_save} = 1;
1315	$self->reset_timeout (1);	1707	$self->reset_timeout (1);
1316	$self->rename ("{nuke}/" . ($nuke_counter++));	1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1709
		1710	$cf::MAP{$self->path} = $self;
		1711
1317	$self->reset; # polite request, might not happen	1712	$self->reset; # polite request, might not happen
1318	}	1713	}
1319		1714
1320	sub customise_for {	1715	=item cf::map::unique_maps
1321	my ($map, $ob) = @_;
1322		1716
1323	if ($map->per_player) {	1717	Returns an arrayref of paths of all shared maps that have
1324	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1718	instantiated unique items. May block.
1325	}
1326		1719
1327	$map	1720	=cut
1328	}
1329		1721
1330	sub emergency_save {	1722	sub unique_maps() {
1331	local $cf::FREEZE = 1;	1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
1332		1725
1333	warn "enter emergency map save\n";	1726	my @paths;
1334		1727
1335	cf::sync_job {	1728	for (@$files) {
1336	warn "begin emergency map save\n";	1729	utf8::decode $_;
1337	$_->save for values %cf::MAP;	1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1338	};	1734	}
1339		1735
1340	warn "end emergency map save\n";	1736	\@paths
1341	}	1737	}
1342		1738
1343	package cf;	1739	package cf;
1344		1740
1345	=back	1741	=back
1346		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
1347		1769
1348	=head3 cf::object::player	1770	=head3 cf::object::player
1349		1771
1350	=over 4	1772	=over 4
1351		1773
…		…
1391		1813
1392	=item $player_object->enter_link	1814	=item $player_object->enter_link
1393		1815
1394	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}>).
1395		1817
1396	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
1397	I<MUST> call C<leave_link> as soon as possible, though.	1819	I<MUST> call C<leave_link> as soon as possible, though.
1398		1820
		1821	Will never block.
		1822
1399	=item $player_object->leave_link ($map, $x, $y)	1823	=item $player_object->leave_link ($map, $x, $y)
1400		1824
1401	Moves the player out of the specila link map onto the given map. If the	1825	Moves the player out of the special C<{link}> map onto the specified
1402	map is not valid (or omitted), the player will be moved back to the	1826	map. If the map is not valid (or omitted), the player will be moved back
1403	location he/she was before the call to C<enter_link>, or, if that fails,	1827	to the location he/she was before the call to C<enter_link>, or, if that
1404	to the emergency map position.	1828	fails, to the emergency map position.
1405		1829
1406	Might block.	1830	Might block.
1407		1831
1408	=cut	1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($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	$LINK_MAP
		1842	}
1409		1843
1410	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1411	my ($self) = @_;	1845	my ($self) = @_;
1412		1846
1413	return if $self->map == $LINK_MAP;	1847	$self->deactivate_recursive;
1414		1848
		1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1850
1415	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1416	if $self->map;	1852	if $self->map;
1417		1853
1418	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1419	$self->deactivate_recursive;
1420	}	1855	}
1421		1856
1422	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1423	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1424		1859
1425	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1426		1861
1427	unless ($map) {	1862	unless ($map) {
1428	# restore original map position	1863	# restore original map position
1429	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1430	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1431		1866
1432	unless ($map) {	1867	unless ($map) {
1433	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1434	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1435	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1436	}	1871	}
1437	}	1872	}
1438		1873
1439	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1442	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1443	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1444	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1445		1880
1446	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1447		1883
		1884	return unless $self->contr->active;
1448	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1449	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1450	}	1889	}
1451		1890
		1891	cf::player->attach (
		1892	on_logout => sub {
		1893	my ($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
1452	=item $player_object->goto_map ($path, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1453		1924
1454	=cut	1925	=cut
1455		1926
1456	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1457	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1458		1929
1459	$self->enter_link;	1930	$self->enter_link;
1460		1931
1461	(Coro::async {	1932	(async {
1462	$path = new cf::path $path;	1933	my $map = eval {
1463
1464	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1465	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1466		1936	$map
1467	# warn "entering ", $map->path, " at ($x, $y)\n"	1937	} or
1468	# if $map;
1469
1470	$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);
1471		1939
1472	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1473	})->prio (1);	1941	})->prio (1);
1474	}	1942	}
1475		1943
…		…
1479		1947
1480	sub parse_random_map_params {	1948	sub parse_random_map_params {
1481	my ($spec) = @_;	1949	my ($spec) = @_;
1482		1950
1483	my $rmp = { # defaults	1951	my $rmp = { # defaults
1484	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1485	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1486	};	1956	};
1487		1957
1488	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1489	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1490		1960
…		…
1494	$rmp	1964	$rmp
1495	}	1965	}
1496		1966
1497	sub prepare_random_map {	1967	sub prepare_random_map {
1498	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1499		1971
1500	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1501	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1502	# that depends on the exit object	1974	# that depends on the exit object
1503		1975
1504	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1505		1977
1506	if ($exit->map) {	1978	if ($exit->map) {
1507	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1508	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1509	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1510	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1511	}	1983	}
1512		1984
1513	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1514		1986
1515	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1516	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1517		1990
1518	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) {
1519	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;
1520		1995
1521	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1522	$exit->msg (undef);	1997	$exit->msg (undef);
1523	}	1998	}
1524	}	1999	}
…		…
1526	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1527	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1528		2003
1529	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1530		2005
		2006	if ($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
1531	$self->enter_link;	2017	$self->enter_link;
1532		2018
1533	(Coro::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1534	unless (eval {	2021	unless (eval {
1535		2022	$self->goto ($slaying, $hp, $sp);
1536	prepare_random_map $exit
1537	if $exit->slaying eq "/!";
1538
1539	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1540	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1541		2023
1542	1;	2024	1;
1543	}) {	2025	}) {
1544	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1545	. "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. "
1546	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1547	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1548		2030
1549	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1550	$self->leave_link;	2032	$self->leave_link;
1551	}	2033	}
1552	})->prio (1);	2034	})->prio (1);
…		…
1565		2047
1566	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1567	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1568		2050
1569	utf8::encode $text;	2051	utf8::encode $text;
1570	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1571	}	2053	}
1572		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	}
1573		2067
1574	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1575		2069
1576	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1577	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>,
…		…
1602	on_reply => sub {	2096	on_reply => sub {
1603	my ($ns, $msg) = @_;	2097	my ($ns, $msg) = @_;
1604		2098
1605	# this weird shuffling is so that direct followup queries	2099	# this weird shuffling is so that direct followup queries
1606	# get handled first	2100	# get handled first
1607	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
1608		2103
1609	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1610		2106
1611	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1612		2108
1613	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1614	if (@$queue) {	2110	if (@$queue) {
…		…
1618	}	2114	}
1619	}	2115	}
1620	},	2116	},
1621	);	2117	);
1622		2118
1623	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1624		2120
1625	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1626	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,
1627	or loss of connection).	2123	or loss of connection).
1628		2124
1629	=cut	2125	=cut
1630		2126
1631	sub cf::client::coro {	2127	sub cf::client::async {
1632	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1633		2129
1634	my $coro; $coro = async {	2130	my $coro = &Coro::async ($cb);
1635	eval {
1636	$cb->();
1637	};
1638	warn $@ if $@;
1639	};
1640		2131
1641	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1642	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1643	});	2134	});
1644		2135
…		…
1677		2168
1678	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1679		2170
1680	=pod	2171	=pod
1681		2172
1682	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1683		2174
1684	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1685	cf::object::player player	2176	cf::object::player player
1686	cf::player peaceful	2177	cf::player peaceful
1687	cf::map trigger	2178	cf::map trigger
…		…
1780	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
1781	using it, it should be unique.	2272	using it, it should be unique.
1782		2273
1783	=over 4	2274	=over 4
1784		2275
1785	=item $hashref = cf::db_get $family
1786
1787	Return a hashref for use by the extension C<$family>, which can be
1788	modified. After modifications, you have to call C<cf::db_dirty> or
1789	C<cf::db_sync>.
1790
1791	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1792		2277
1793	Returns a single value from the database	2278	Returns a single value from the database.
1794
1795	=item cf::db_put $family => $hashref
1796
1797	Stores the given family hashref into the database. Updates are delayed, if
1798	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1799		2279
1800	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1801		2281
1802	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1803	want the data to be synced to disk immediately, use C<cf::db_sync>.
1804
1805	=item cf::db_dirty
1806
1807	Marks the database as dirty, to be updated at a later time.
1808
1809	=item cf::db_sync
1810
1811	Immediately write the database to disk I<if it is dirty>.
1812		2283
1813	=cut	2284	=cut
1814		2285
1815	our $DB;	2286	our $DB;
1816		2287
1817	{	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
1818	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;
1819		2307
1820	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1821	warn "loading database $path\n";#d# remove later	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1822	$DB = stat $path ? Storable::retrieve $path : { };	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
1823	}	2311	BDB::db_env_txn_checkpoint $DB_ENV;
1824		2312
1825	my $pid;	2313	unlink $path;
1826
1827	sub db_save() {
1828	warn "saving database $path\n";#d# remove later
1829	waitpid $pid, 0 if $pid;
1830	if (0 == ($pid = fork)) {
1831	$DB->{_meta}{version} = 1;
1832	Storable::nstore $DB, "$path~";
1833	rename "$path~", $path;
1834	cf::_exit 0 if defined $pid;
1835	}	2314	};
1836	}
1837
1838	my $dirty;
1839
1840	sub db_sync() {
1841	db_save if $dirty;
1842	undef $dirty;
1843	}
1844
1845	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1846	db_sync;
1847	});
1848
1849	sub db_dirty() {
1850	$dirty = 1;
1851	$idle->start;
1852	}
1853
1854	sub db_get($;$) {
1855	@_ >= 2
1856	? $DB->{$_[0]}{$_[1]}
1857	: ($DB->{$_[0]} ||= { })
1858	}
1859
1860	sub db_put($$;$) {
1861	if (@_ >= 3) {
1862	$DB->{$_[0]}{$_[1]} = $_[2];
1863	} else {
1864	$DB->{$_[0]} = $_[1];
1865	}
1866	db_dirty;
1867	}
1868
1869	cf::global->attach (
1870	prio => 10000,
1871	on_cleanup => sub {
1872	db_sync;
1873	},	2315	}
1874	);	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 { };
1875	}	2333	}
1876		2334
1877	#############################################################################	2335	#############################################################################
1878	# 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	}
1879		2400
1880	sub cfg_load {	2401	sub cfg_load {
1881	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1882	or return;	2403	or return;
1883		2404
1884	local $/;	2405	local $/;
1885	*CFG = YAML::Syck::Load <$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	}
1886	}	2420	}
1887		2421
1888	sub main {	2422	sub main {
1889	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
1890	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
1891	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#
1892	(Coro::unblock_sub {	2426	(async {
1893	Event::one_event;	2427	Event::one_event;
1894	})->();	2428	})->prio (Coro::PRIO_MAX);
1895	};	2429	};
1896		2430
1897	cfg_load;	2431	cfg_load;
1898	db_load;	2432	db_init;
1899	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
1900	Event::loop;	2436	Event::loop;
1901	}	2437	}
1902		2438
1903	#############################################################################	2439	#############################################################################
1904	# 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 $make_core;
		2495	}
1905		2496
1906	sub reload() {	2497	sub reload() {
1907	# can/must only be called in main	2498	# can/must only be called in main
1908	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
1909	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
1910	return;	2501	return;
1911	}	2502	}
1912		2503
1913	warn "reloading...";	2504	warn "reloading...";
1914		2505
1915	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
1916	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
1917		2512
1918	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
1919	# 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
1920		2517
1921	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
1922	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
1923	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
1924	}	2521	}
1925		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
1926	# cancel all extension coros	2534	warn "cancelling all extension coros";
1927	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
1928	%EXT_CORO = ();	2536	%EXT_CORO = ();
1929		2537
1930	# unload all extensions	2538	warn "removing commands";
1931	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
1932	warn "unloading <$_>";	2546	warn "... unloading $pkg";
1933	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: $@";
1934	}	2553	}
1935		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
1936	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
1937	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
1938	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1939		2562
1940	warn "removing <$k>";	2563	warn "... unloading $k";
1941	delete $INC{$k};	2564	delete $INC{$k};
1942		2565
1943	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
1944	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
1945		2568
…		…
1948	}	2571	}
1949		2572
1950	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
1951	}	2574	}
1952		2575
1953	# sync database to disk
1954	cf::db_sync;
1955	IO::AIO::flush;
1956
1957	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
1958	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
1959	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);
1960		2579
1961	# remove register_script_function callbacks
1962	# TODO
1963
1964	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
1965	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
1966		2582
1967	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
1968	# and global variables created in xs	2584	# and global variables created in xs
1969	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
1970		2586
1971	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
1972	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
1973	require cf;	2590	require cf;
1974	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1975		2592
1976	# load config and database again	2593	warn "loading config and database again";
1977	cf::cfg_load;	2594	cf::cfg_load;
1978	cf::db_load;
1979		2595
1980	# load extensions
1981	warn "load extensions";	2596	warn "loading extensions";
1982	cf::load_extensions;	2597	cf::load_extensions;
1983		2598
1984	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
1985	warn "reattach";	2600	_global_reattach; # objects, sockets
1986	_global_reattach;	2601	warn "reattaching attachments to maps";
1987	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
1988		2605
1989	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
1990	warn $@;	2613	warn $@;
1991	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
1992	exit 1;	2615	exit 1;
1993	}	2616	};
1994		2617
1995	warn "reloaded successfully";	2618	warn "reloaded";
1996	};	2619	};
1997		2620
1998	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
1999
2000	unless ($LINK_MAP) {
2001	$LINK_MAP = cf::map::new;
2002
2003	$LINK_MAP->width (41);
2004	$LINK_MAP->height (41);
2005	$LINK_MAP->alloc;
2006	$LINK_MAP->path ("{link}");
2007	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2008	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2009
2010	# dirty hack because... archetypes are not yet loaded
2011	Event->timer (
2012	after => 2,
2013	cb => sub {
2014	$_[0]->w->cancel;
2015
2016	# provide some exits "home"
2017	my $exit = cf::object::new "exit";
2018
2019	$exit->slaying ($EMERGENCY_POSITION->[0]);
2020	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2021	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2022
2023	$LINK_MAP->insert ($exit->clone, 19, 19);
2024	$LINK_MAP->insert ($exit->clone, 19, 20);
2025	$LINK_MAP->insert ($exit->clone, 19, 21);
2026	$LINK_MAP->insert ($exit->clone, 20, 19);
2027	$LINK_MAP->insert ($exit->clone, 20, 21);
2028	$LINK_MAP->insert ($exit->clone, 21, 19);
2029	$LINK_MAP->insert ($exit->clone, 21, 20);
2030	$LINK_MAP->insert ($exit->clone, 21, 21);
2031
2032	$exit->destroy;
2033	});
2034
2035	$LINK_MAP->{deny_save} = 1;
2036	$LINK_MAP->{deny_reset} = 1;
2037
2038	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2039	}
2040
2041	register "<global>", __PACKAGE__;
2042		2622
2043	register_command "reload" => sub {	2623	register_command "reload" => sub {
2044	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
2045		2625
2046	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
2047	$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 {
2048	reload;	2637	reload;
2049	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
2050	}	2641	}
2051	};	2642	};
2052		2643
2053	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
2054		2647
2055	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2056	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2057	prio => 0,	2651	prio => 0,
2058	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2059	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2060	cb => sub {	2654	cb => sub {
2061	unless ($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
2062	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2063	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2064	}
2065
2066	$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#
2067		2680
2068	# 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
2069	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2070		2683
2071	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2072	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2073	},	2686	},
2074	);	2687	);
2075		2688
		2689	{
2076	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2077		2691	$BDB_POLL_WATCHER = Event->io (
2078	Event->io (	2692	reentrant => 0,
2079	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2080	poll => 'r',	2694	poll => 'r',
2081	prio => 5,	2695	prio => 0,
2082	data => WF_AUTOCANCEL,
2083	cb => \&IO::AIO::poll_cb,
2084	);
2085
2086	Event->timer (
2087	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2088	after => 0,	2697	cb => \&BDB::poll_cb,
2089	interval => 10,	2698	);
2090	cb => sub {	2699	BDB::min_parallel 8;
2091	(Coro::unblock_sub {	2700
2092	write_runtime	2701	BDB::set_sync_prepare {
2093	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 $@;
2094	})->();	2735	};
2095	},	2736	}
2096	);	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 }
2097		2755
2098	1	2756	1
2099		2757

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