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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.112 by root, Mon Jan 1 13:31:47 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 { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		394
393	#############################################################################	395	#############################################################################
394		396
395	=head2 ATTACHABLE OBJECTS	397	=head2 ATTACHABLE OBJECTS
396		398
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	524	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	525	our @CB_MAP = ();
524		526
525	my %attachment;	527	my %attachment;
526		528
		529	sub cf::attachable::thawer_merge {
		530	# simply override everything except _meta
		531	local $_[0]{_meta};
		532	%{$_[0]} = %{$_[1]};
		533	}
		534
527	sub _attach_cb($$$$) {	535	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	536	my ($registry, $event, $prio, $cb) = @_;
529		537
530	use sort 'stable';	538	use sort 'stable';
531		539
…		…
702	# object support	710	# object support
703		711
704	sub reattach {	712	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	713	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	714	my ($obj) = @_;
		715
		716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		717
708	my $registry = $obj->registry;	718	my $registry = $obj->registry;
709		719
710	@$registry = ();	720	@$registry = ();
711		721
…		…
758	$filename, length $$rdata, scalar @$objs;	768	$filename, length $$rdata, scalar @$objs;
759		769
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	771	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	773	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	774	close $fh;
765		775
766	if (@$objs) {	776	if (@$objs) {
767	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) {
768	chmod SAVE_MODE, $fh;	778	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	779	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	780	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	781	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	782	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	783	aio_rename "$filename.pst~", "$filename.pst";
774	}	784	}
775	} else {	785	} else {
776	aio_unlink "$filename.pst";	786	aio_unlink "$filename.pst";
…		…
804	or return;	814	or return;
805		815
806	unless (aio_stat "$filename.pst") {	816	unless (aio_stat "$filename.pst") {
807	(aio_load "$filename.pst", $av) >= 0	817	(aio_load "$filename.pst", $av) >= 0
808	or return;	818	or return;
809	$av = eval { (Storable::thaw <$av>)->{objs} };	819	$av = eval { (Storable::thaw $av)->{objs} };
810	}	820	}
811		821
		822	warn sprintf "loading %s (%d)\n",
		823	$filename, length $data, scalar @{$av || []};#d#
812	return ($data, $av);	824	return ($data, $av);
813	}	825	}
814		826
815	#############################################################################	827	#############################################################################
816	# command handling &c	828	# command handling &c
…		…
841	=cut	853	=cut
842		854
843	sub register_extcmd {	855	sub register_extcmd {
844	my ($name, $cb) = @_;	856	my ($name, $cb) = @_;
845		857
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	858	$EXTCMD{$name} = $cb;
850	}	859	}
851		860
852	cf::player->attach (	861	cf::player->attach (
853	on_command => sub {	862	on_command => sub {
854	my ($pl, $name, $params) = @_;	863	my ($pl, $name, $params) = @_;
…		…
867		876
868	my $msg = eval { from_json $buf };	877	my $msg = eval { from_json $buf };
869		878
870	if (ref $msg) {	879	if (ref $msg) {
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	881	if (my %reply = $cb->($pl, $msg)) {
873	$pl->ext_reply ($msg->{msgid}, %reply);	882	$pl->ext_reply ($msg->{msgid}, %reply);
874	}	883	}
875	}	884	}
876	} else {	885	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
879		888
880	cf::override;	889	cf::override;
881	},	890	},
882	);	891	);
883		892
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	893	sub load_extension {
891	my ($path) = @_;	894	my ($path) = @_;
892		895
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
894	my $base = $1;	897	my $base = $1;
895	my $pkg = $1;	898	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;	899	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";	900	$pkg = "ext::$pkg";
898		901
899	warn "loading '$path' into '$pkg'\n";	902	warn "... loading '$path' into '$pkg'\n";
900		903
901	open my $fh, "<:utf8", $path	904	open my $fh, "<:utf8", $path
902	or die "$path: $!";	905	or die "$path: $!";
903		906
904	my $source =	907	my $source =
905	"package $pkg; use strict; use utf8;\n"	908	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"	909	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })	910	. (do { local $/; <$fh> })
908	. "\n};\n1";	911	. "\n};\n1";
909		912
910	eval $source	913	unless (eval $source) {
911	or die $@ ? "$path: $@\n"	914	my $msg = $@ ? "$path: $@\n"
912	: "extension disabled.\n";	915	: "extension disabled.\n";
913		916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
914	push @exts, $pkg;	917	warn $@;
915	$ext_pkg{$base} = $pkg;	918	warn "mandatory extension failed to load, exiting.\n";
916		919	exit 1;
917	# no strict 'refs';	920	}
918	# @{"$pkg\::ISA"} = ext::;	921	die $@;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	922	}
933		923
934	# remove commands	924	push @EXTS, $pkg;
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}	925	}
959		926
960	sub load_extensions {	927	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {	928	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	929	next unless -r $ext;
…		…
966	} or warn "$ext not loaded: $@";	933	} or warn "$ext not loaded: $@";
967	}	934	}
968	}	935	}
969		936
970	#############################################################################	937	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007		938
1008	=head2 CORE EXTENSIONS	939	=head2 CORE EXTENSIONS
1009		940
1010	Functions and methods that extend core crossfire objects.	941	Functions and methods that extend core crossfire objects.
1011		942
		943	=cut
		944
		945	package cf::player;
		946
		947	use Coro::AIO;
		948
1012	=head3 cf::player	949	=head3 cf::player
1013		950
1014	=over 4	951	=over 4
1015		952
1016	=item cf::player::exists $login	953	=item cf::player::find $login
1017		954
1018	Returns true when the given account exists.	955	Returns the given player object, loading it if necessary (might block).
1019		956
1020	=cut	957	=cut
1021		958
1022	sub cf::player::exists($) {	959	sub playerdir($) {
1023	cf::player::find $_[0]	960	cf::localdir
1024	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])
1025	}	965	}
1026		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
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)	1138	=item $player->ext_reply ($msgid, %msg)
1028		1139
1029	Sends an ext reply to the player.	1140	Sends an ext reply to the player.
1030		1141
1031	=cut	1142	=cut
1032		1143
1033	sub cf::player::ext_reply($$$%) {	1144	sub ext_reply($$%) {
1034	my ($self, $id, %msg) = @_;	1145	my ($self, $id, %msg) = @_;
1035		1146
1036	$msg{msgid} = $id;	1147	$msg{msgid} = $id;
1037		1148
1038	$self->send ("ext " . to_json \%msg);	1149	$self->send ("ext " . cf::to_json \%msg);
		1150	}
		1151
		1152	=item $player->ext_event ($type, %msg)
		1153
		1154	Sends an ext event to the client.
		1155
		1156	=cut
		1157
		1158	sub ext_event($$%) {
		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
1039	}	1191	}
1040		1192
1041	=back	1193	=back
1042
1043		1194
1044	=head3 cf::map	1195	=head3 cf::map
1045		1196
1046	=over 4	1197	=over 4
1047		1198
…		…
1050	package cf::map;	1201	package cf::map;
1051		1202
1052	use Fcntl;	1203	use Fcntl;
1053	use Coro::AIO;	1204	use Coro::AIO;
1054		1205
		1206	use overload
		1207	'""' => \&as_string,
		1208	fallback => 1;
		1209
1055	our $MAX_RESET = 7200;	1210	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1211	our $DEFAULT_RESET = 3000;
1057		1212
1058	sub generate_random_map {	1213	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1214	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1215	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1216	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1220	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1221	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1224	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$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},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1226	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(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, $path
1075	}	1358	}
1076		1359
1077	# and all this just because we cannot iterate over	1360	# and all this just because we cannot iterate over
1078	# all maps in C++...	1361	# all maps in C++...
1079	sub change_all_map_light {	1362	sub change_all_map_light {
1080	my ($change) = @_;	1363	my ($change) = @_;
1081		1364
1082	$_->change_map_light ($change) for values %cf::MAP;	1365	$_->change_map_light ($change)
		1366	for grep $_->outdoor, values %cf::MAP;
1083	}	1367	}
1084		1368
		1369	sub unlink_save {
		1370	my ($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
1085	sub try_load_header($) {	1377	sub load_header_from($) {
1086	my ($path) = @_;	1378	my ($self, $path) = @_;
1087		1379
1088	utf8::encode $path;	1380	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1381	#aio_open $path, O_RDONLY, 0
		1382	# or return;
		1383
		1384	$self->_load_header ($path)
1090	or return;	1385	or return;
1091		1386
1092	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
1093	or return;	1430	or return;
		1431	$self->prepare_orig;
		1432	}
1094		1433
1095	$map->load_header ($path)	1434	$self->default_region (cf::region::find_by_path $self->{path})
1096	or return;	1435	unless $self->default_region;
1097		1436
1098	$map->{load_path} = $path;	1437	1
1099
1100	$map
1101	}	1438	}
1102		1439
		1440	sub find;
1103	sub find_map {	1441	sub find {
1104	my ($path, $origin) = @_;	1442	my ($path, $origin) = @_;
1105		1443
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1444	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1445
		1446	cf::lock_wait "map_find:$path";
		1447
1111	$cf::MAP{$key} || do {	1448	$cf::MAP{$path} || do {
1112	# do it the slow way	1449	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1450	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1451	or return;
1127		1452
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1453	$map->{last_save} = $cf::RUNTIME;
1139		1454
1140	if ($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;
1141	$map->reset;	1461	$map->reset;
1142	$map = find_map $path;	1462	undef $guard;
		1463	return find $path;
1143	}	1464	}
1144		1465
1145	$cf::MAP{$key} = $map	1466	$cf::MAP{$path} = $map
1146	}	1467	}
1147	}	1468	}
		1469
		1470	sub pre_load { }
		1471	sub post_load { }
1148		1472
1149	sub load {	1473	sub load {
1150	my ($self) = @_;	1474	my ($self) = @_;
1151		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
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1481	return if $self->in_memory != cf::MAP_SWAPPED;
1153		1482
1154	$self->in_memory (cf::MAP_LOADING);	1483	$self->in_memory (cf::MAP_LOADING);
1155		1484
1156	my $path = $self->{path};
1157
1158	$self->alloc;	1485	$self->alloc;
		1486
		1487	$self->pre_load;
		1488
1159	$self->load_objects ($self->{load_path}, 1)	1489	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1490	or return;
1161		1491
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1493	if delete $self->{load_original};
1164		1494
1165	if (my $uniq = $path->uniq_path) {	1495	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1496	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1497	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1498	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1499	$self->_load_objects ($uniq, 0);
1170	}	1500	}
1171	}	1501	}
		1502
		1503	Coro::cede;
1172		1504
1173	# now do the right thing for maps	1505	# now do the right thing for maps
1174	$self->link_multipart_objects;	1506	$self->link_multipart_objects;
1175		1507
1176	if ($self->{path}->is_style_map) {	1508	unless ($self->{deny_activate}) {
1177	$self->{deny_save} = 1;	1509	$self->decay_objects;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;	1510	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;	1511	$self->update_buttons;
		1512	Coro::cede;
1183	$self->set_darkness_map;	1513	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1514	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1515	unless $self->difficulty;
		1516	Coro::cede;
1186	$self->activate;	1517	$self->activate;
1187	}	1518	}
1188		1519
		1520	$self->post_load;
		1521
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1522	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1523	}
1191		1524
1192	sub load_map_sync {	1525	sub customise_for {
		1526	my ($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	$neigh->load;
		1555	}
		1556	}
		1557
		1558	sub find_sync {
1193	my ($path, $origin) = @_;	1559	my ($path, $origin) = @_;
1194		1560
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1561	cf::sync_job { find $path, $origin }
		1562	}
1196		1563
1197	cf::sync_job {	1564	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1565	my ($map) = @_;
1199	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;
1200	$map->load;	1588	$map->load;
1201	$map	1589
		1590	delete $MAP_PREFETCH{$path};
		1591	}
		1592	}
		1593	undef $MAP_PREFETCHER;
1202	}	1594	};
		1595	$MAP_PREFETCHER->prio (6);
		1596
		1597	()
1203	}	1598	}
1204		1599
1205	sub save {	1600	sub save {
1206	my ($self) = @_;	1601	my ($self) = @_;
1207		1602
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1603	my $lock = cf::lock_acquire "map_data:" . $self->path;
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1604
1211	$self->{last_save} = $cf::RUNTIME;	1605	$self->{last_save} = $cf::RUNTIME;
1212		1606
1213	return unless $self->dirty;	1607	return unless $self->dirty;
1214		1608
		1609	my $save = $self->save_path; utf8::encode $save;
		1610	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1611
1215	$self->{load_path} = $save;	1612	$self->{load_path} = $save;
1216		1613
1217	return if $self->{deny_save};	1614	return if $self->{deny_save};
1218		1615
		1616	local $self->{last_access} = $self->last_access;#d#
		1617
		1618	cf::async {
		1619	$_->contr->save for $self->players;
		1620	};
		1621
1219	if ($uniq) {	1622	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	1625	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	1627	}
1225	}	1628	}
1226		1629
1227	sub swap_out {	1630	sub swap_out {
1228	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;
1229		1637
1230	return if $self->players;	1638	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	1639	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	1640	return if $self->{deny_save};
1233		1641
1234	$self->save;
1235	$self->clear;	1642	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	1643	$self->in_memory (cf::MAP_SWAPPED);
1237	}	1644	}
1238		1645
1239	sub reset_at {	1646	sub reset_at {
1240	my ($self) = @_;	1647	my ($self) = @_;
1241		1648
1242	# TODO: safety, remove and allow resettable per-player maps	1649	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};	1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1244	return 1e100 if $self->{deny_reset};	1651	return 1e99 if $self->{deny_reset};
1245		1652
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		1655
1250	$time + $to	1656	$time + $to
1251	}	1657	}
1252		1658
1253	sub should_reset {	1659	sub should_reset {
1254	my ($self) = @_;	1660	my ($self) = @_;
1255		1661
1256	$self->reset_at <= $cf::RUNTIME	1662	$self->reset_at <= $cf::RUNTIME
1257	}	1663	}
1258		1664
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub reset {	1665	sub reset {
1268	my ($self) = @_;	1666	my ($self) = @_;
1269		1667
		1668	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1669
1270	return if $self->players;	1670	return if $self->players;
1271	return if $self->{path}{user_rel};#d#	1671	return if $self->isa ("ext::map_per_player");#d#
1272		1672
1273	warn "resetting map ", $self->path;#d#	1673	warn "resetting map ", $self->path;#d#
1274		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
1275	delete $cf::MAP{$self->path};	1685	delete $cf::MAP{$self->path};
		1686
		1687	$self->clear;
1276		1688
1277	$_->clear_links_to ($self) for values %cf::MAP;	1689	$_->clear_links_to ($self) for values %cf::MAP;
1278		1690
1279	$self->unlink_save;	1691	$self->unlink_save;
1280	$self->destroy;	1692	$self->destroy;
1281	}	1693	}
1282		1694
1283	sub customise_for {	1695	my $nuke_counter = "aaaa";
1284	my ($map, $ob) = @_;
1285		1696
1286	if ($map->per_player) {	1697	sub nuke {
1287	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1698	my ($self) = @_;
1288	}
1289		1699
1290	$map	1700	delete $cf::MAP{$self->path};
1291	}
1292		1701
1293	sub emergency_save {	1702	$self->unlink_save;
1294	local $cf::FREEZE = 1;
1295		1703
1296	warn "enter emergency map save\n";	1704	bless $self, "cf::map";
		1705	delete $self->{deny_reset};
		1706	$self->{deny_save} = 1;
		1707	$self->reset_timeout (1);
		1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1297		1709
1298	cf::sync_job {	1710	$cf::MAP{$self->path} = $self;
1299	warn "begin emergency map save\n";	1711
1300	$_->save for values %cf::MAP;	1712	$self->reset; # polite request, might not happen
		1713	}
		1714
		1715	=item cf::map::unique_maps
		1716
		1717	Returns an arrayref of paths of all shared maps that have
		1718	instantiated unique items. May block.
		1719
		1720	=cut
		1721
		1722	sub unique_maps() {
		1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1724	or return;
		1725
		1726	my @paths;
		1727
		1728	for (@$files) {
		1729	utf8::decode $_;
		1730	next if /\.pst$/;
		1731	next unless /^$PATH_SEP/o;
		1732
		1733	push @paths, cf::map::normalise $_;
1301	};	1734	}
1302		1735
1303	warn "end emergency map save\n";	1736	\@paths
1304	}	1737	}
1305		1738
1306	package cf;	1739	package cf;
1307		1740
1308	=back	1741	=back
1309		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
1310		1769
1311	=head3 cf::object::player	1770	=head3 cf::object::player
1312		1771
1313	=over 4	1772	=over 4
1314		1773
…		…
1350	(ref $cf::CFG{"may_$access"}	1809	(ref $cf::CFG{"may_$access"}
1351	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1810	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1352	: $cf::CFG{"may_$access"})	1811	: $cf::CFG{"may_$access"})
1353	}	1812	}
1354		1813
		1814	=item $player_object->enter_link
		1815
		1816	Freezes the player and moves him/her to a special map (C<{link}>).
		1817
		1818	The player should be reasonably safe there for short amounts of time. You
		1819	I<MUST> call C<leave_link> as soon as possible, though.
		1820
		1821	Will never block.
		1822
		1823	=item $player_object->leave_link ($map, $x, $y)
		1824
		1825	Moves the player out of the special C<{link}> map onto the specified
		1826	map. If the map is not valid (or omitted), the player will be moved back
		1827	to the location he/she was before the call to C<enter_link>, or, if that
		1828	fails, to the emergency map position.
		1829
		1830	Might block.
		1831
		1832	=cut
		1833
		1834	sub link_map {
		1835	unless ($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	$LINK_MAP
		1842	}
		1843
1355	sub cf::object::player::enter_link {	1844	sub cf::object::player::enter_link {
1356	my ($self) = @_;	1845	my ($self) = @_;
1357		1846
1358	return if $self->map == $LINK_MAP;	1847	$self->deactivate_recursive;
1359		1848
		1849	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1850
1360	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1361	if $self->map;	1852	if $self->map;
1362		1853
1363	$self->enter_map ($LINK_MAP, 20, 20);	1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1364	$self->deactivate_recursive;
1365	}	1855	}
1366		1856
1367	sub cf::object::player::leave_link {	1857	sub cf::object::player::leave_link {
1368	my ($self, $map, $x, $y) = @_;	1858	my ($self, $map, $x, $y) = @_;
1369		1859
1370	my $link_pos = delete $self->{_link_pos};	1860	my $link_pos = delete $self->{_link_pos};
1371		1861
1372	unless ($map) {	1862	unless ($map) {
1373	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1374
1375	# restore original map position	1863	# restore original map position
1376	($map, $x, $y) = @{ $link_pos || [] };	1864	($map, $x, $y) = @{ $link_pos || [] };
1377	$map = cf::map::find_map $map;	1865	$map = cf::map::find $map;
1378		1866
1379	unless ($map) {	1867	unless ($map) {
1380	($map, $x, $y) = @$EMERGENCY_POSITION;	1868	($map, $x, $y) = @$EMERGENCY_POSITION;
1381	$map = cf::map::find_map $map	1869	$map = cf::map::find $map
1382	or die "FATAL: cannot load emergency map\n";	1870	or die "FATAL: cannot load emergency map\n";
1383	}	1871	}
1384	}	1872	}
1385		1873
1386	($x, $y) = (-1, -1)	1874	($x, $y) = (-1, -1)
…		…
1389	# use -1 or undef as default coordinates, not 0, 0	1877	# use -1 or undef as default coordinates, not 0, 0
1390	($x, $y) = ($map->enter_x, $map->enter_y)	1878	($x, $y) = ($map->enter_x, $map->enter_y)
1391	if $x <=0 && $y <= 0;	1879	if $x <=0 && $y <= 0;
1392		1880
1393	$map->load;	1881	$map->load;
		1882	$map->load_diag;
1394		1883
		1884	return unless $self->contr->active;
1395	$self->activate_recursive;	1885	$self->activate_recursive;
		1886
		1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1396	$self->enter_map ($map, $x, $y);	1888	$self->enter_map ($map, $x, $y);
1397	}	1889	}
1398		1890
		1891	cf::player->attach (
		1892	on_logout => sub {
		1893	my ($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
1399	=item $player_object->goto_map ($map, $x, $y)	1923	=item $player_object->goto ($path, $x, $y)
1400		1924
1401	=cut	1925	=cut
1402		1926
1403	sub cf::object::player::goto_map {	1927	sub cf::object::player::goto {
1404	my ($self, $path, $x, $y) = @_;	1928	my ($self, $path, $x, $y) = @_;
1405		1929
1406	$self->enter_link;	1930	$self->enter_link;
1407		1931
1408	(Coro::async {	1932	(async {
1409	$path = new cf::path $path;	1933	my $map = eval {
1410
1411	my $map = cf::map::find_map $path->as_string;	1934	my $map = cf::map::find $path;
1412	$map = $map->customise_for ($self) if $map;	1935	$map = $map->customise_for ($self) if $map;
1413
1414	warn "entering ", $map->path, " at ($x, $y)\n"
1415	if $map;	1936	$map
		1937	} or
		1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1416		1939
1417	$self->leave_link ($map, $x, $y);	1940	$self->leave_link ($map, $x, $y);
1418	})->prio (1);	1941	})->prio (1);
1419	}	1942	}
1420		1943
…		…
1424		1947
1425	sub parse_random_map_params {	1948	sub parse_random_map_params {
1426	my ($spec) = @_;	1949	my ($spec) = @_;
1427		1950
1428	my $rmp = { # defaults	1951	my $rmp = { # defaults
1429	xsize => 10,	1952	xsize => (cf::rndm 15, 40),
1430	ysize => 10,	1953	ysize => (cf::rndm 15, 40),
		1954	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1955	#layout => string,
1431	};	1956	};
1432		1957
1433	for (split /\n/, $spec) {	1958	for (split /\n/, $spec) {
1434	my ($k, $v) = split /\s+/, $_, 2;	1959	my ($k, $v) = split /\s+/, $_, 2;
1435		1960
…		…
1439	$rmp	1964	$rmp
1440	}	1965	}
1441		1966
1442	sub prepare_random_map {	1967	sub prepare_random_map {
1443	my ($exit) = @_;	1968	my ($exit) = @_;
		1969
		1970	my $guard = cf::lock_acquire "exit_prepare:$exit";
1444		1971
1445	# all this does is basically replace the /! path by	1972	# all this does is basically replace the /! path by
1446	# a new random map path (?random/...) with a seed	1973	# a new random map path (?random/...) with a seed
1447	# that depends on the exit object	1974	# that depends on the exit object
1448		1975
1449	my $rmp = parse_random_map_params $exit->msg;	1976	my $rmp = parse_random_map_params $exit->msg;
1450		1977
1451	if ($exit->map) {	1978	if ($exit->map) {
1452	$rmp->{region} = $exit->map->region_name;	1979	$rmp->{region} = $exit->region->name;
1453	$rmp->{origin_map} = $exit->map->path;	1980	$rmp->{origin_map} = $exit->map->path;
1454	$rmp->{origin_x} = $exit->x;	1981	$rmp->{origin_x} = $exit->x;
1455	$rmp->{origin_y} = $exit->y;	1982	$rmp->{origin_y} = $exit->y;
1456	}	1983	}
1457		1984
1458	$rmp->{random_seed} ||= $exit->random_seed;	1985	$rmp->{random_seed} ||= $exit->random_seed;
1459		1986
1460	my $data = cf::to_json $rmp;	1987	my $data = cf::to_json $rmp;
1461	my $md5 = Digest::MD5::md5_hex $data;	1988	my $md5 = Digest::MD5::md5_hex $data;
		1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1462		1990
1463	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) {
1464	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;
1465		1995
1466	$exit->slaying ("?random/$md5");	1996	$exit->slaying ("?random/$md5");
1467	$exit->msg (undef);	1997	$exit->msg (undef);
1468	}	1998	}
1469	}	1999	}
…		…
1471	sub cf::object::player::enter_exit {	2001	sub cf::object::player::enter_exit {
1472	my ($self, $exit) = @_;	2002	my ($self, $exit) = @_;
1473		2003
1474	return unless $self->type == cf::PLAYER;	2004	return unless $self->type == cf::PLAYER;
1475		2005
		2006	if ($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
1476	$self->enter_link;	2017	$self->enter_link;
1477		2018
1478	(Coro::async {	2019	(async {
		2020	$self->deactivate_recursive; # just to be sure
1479	unless (eval {	2021	unless (eval {
1480		2022	$self->goto ($slaying, $hp, $sp);
1481	prepare_random_map $exit
1482	if $exit->slaying eq "/!";
1483
1484	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1485	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1486		2023
1487	1;	2024	1;
1488	}) {	2025	}) {
1489	$self->message ("Something went wrong deep within the crossfire server. "	2026	$self->message ("Something went wrong deep within the crossfire server. "
1490	. "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. "
1491	. "Please report this to the dungeon master",	2028	. "Please report this to the dungeon master!",
1492	cf::NDI_UNIQUE | cf::NDI_RED);	2029	cf::NDI_UNIQUE | cf::NDI_RED);
1493		2030
1494	warn "ERROR in enter_exit: $@";	2031	warn "ERROR in enter_exit: $@";
1495	$self->leave_link;	2032	$self->leave_link;
1496	}	2033	}
1497	})->prio (1);	2034	})->prio (1);
…		…
1510		2047
1511	sub cf::client::send_drawinfo {	2048	sub cf::client::send_drawinfo {
1512	my ($self, $text, $flags) = @_;	2049	my ($self, $text, $flags) = @_;
1513		2050
1514	utf8::encode $text;	2051	utf8::encode $text;
1515	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1516	}	2053	}
1517		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	}
1518		2067
1519	=item $success = $client->query ($flags, "text", \&cb)	2068	=item $success = $client->query ($flags, "text", \&cb)
1520		2069
1521	Queues a query to the client, calling the given callback with	2070	Queues a query to the client, calling the given callback with
1522	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>,
…		…
1547	on_reply => sub {	2096	on_reply => sub {
1548	my ($ns, $msg) = @_;	2097	my ($ns, $msg) = @_;
1549		2098
1550	# this weird shuffling is so that direct followup queries	2099	# this weird shuffling is so that direct followup queries
1551	# get handled first	2100	# get handled first
1552	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
1553		2103
1554	(shift @$queue)->[1]->($msg);	2104	(shift @$queue)->[1]->($msg);
		2105	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1555		2106
1556	push @{ $ns->{query_queue} }, @$queue;	2107	push @{ $ns->{query_queue} }, @$queue;
1557		2108
1558	if (@{ $ns->{query_queue} } == @$queue) {	2109	if (@{ $ns->{query_queue} } == @$queue) {
1559	if (@$queue) {	2110	if (@$queue) {
…		…
1563	}	2114	}
1564	}	2115	}
1565	},	2116	},
1566	);	2117	);
1567		2118
1568	=item $client->coro (\&cb)	2119	=item $client->async (\&cb)
1569		2120
1570	Create a new coroutine, running the specified callback. The coroutine will	2121	Create a new coroutine, running the specified callback. The coroutine will
1571	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,
1572	or loss of connection).	2123	or loss of connection).
1573		2124
1574	=cut	2125	=cut
1575		2126
1576	sub cf::client::coro {	2127	sub cf::client::async {
1577	my ($self, $cb) = @_;	2128	my ($self, $cb) = @_;
1578		2129
1579	my $coro; $coro = async {	2130	my $coro = &Coro::async ($cb);
1580	eval {
1581	$cb->();
1582	};
1583	warn $@ if $@;
1584	};
1585		2131
1586	$coro->on_destroy (sub {	2132	$coro->on_destroy (sub {
1587	delete $self->{_coro}{$coro+0};	2133	delete $self->{_coro}{$coro+0};
1588	});	2134	});
1589		2135
…		…
1622		2168
1623	# here we export the classes and methods available to script code	2169	# here we export the classes and methods available to script code
1624		2170
1625	=pod	2171	=pod
1626		2172
1627	The following fucntions and emthods are available within a safe environment:	2173	The following functions and methods are available within a safe environment:
1628		2174
1629	cf::object contr pay_amount pay_player map	2175	cf::object contr pay_amount pay_player map
1630	cf::object::player player	2176	cf::object::player player
1631	cf::player peaceful	2177	cf::player peaceful
1632	cf::map trigger	2178	cf::map trigger
…		…
1725	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
1726	using it, it should be unique.	2272	using it, it should be unique.
1727		2273
1728	=over 4	2274	=over 4
1729		2275
1730	=item $hashref = cf::db_get $family
1731
1732	Return a hashref for use by the extension C<$family>, which can be
1733	modified. After modifications, you have to call C<cf::db_dirty> or
1734	C<cf::db_sync>.
1735
1736	=item $value = cf::db_get $family => $key	2276	=item $value = cf::db_get $family => $key
1737		2277
1738	Returns a single value from the database	2278	Returns a single value from the database.
1739
1740	=item cf::db_put $family => $hashref
1741
1742	Stores the given family hashref into the database. Updates are delayed, if
1743	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1744		2279
1745	=item cf::db_put $family => $key => $value	2280	=item cf::db_put $family => $key => $value
1746		2281
1747	Stores the given C<$value> in the family hash. Updates are delayed, if you	2282	Stores the given C<$value> in the family.
1748	want the data to be synced to disk immediately, use C<cf::db_sync>.
1749
1750	=item cf::db_dirty
1751
1752	Marks the database as dirty, to be updated at a later time.
1753
1754	=item cf::db_sync
1755
1756	Immediately write the database to disk I<if it is dirty>.
1757		2283
1758	=cut	2284	=cut
1759		2285
1760	our $DB;	2286	our $DB;
1761		2287
1762	{	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
1763	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;
1764		2307
1765	sub db_load() {	2308	cf::db_put (board => data => $pst->{board});
1766	warn "loading database $path\n";#d# remove later	2309	cf::db_put (guildrules => data => $pst->{guildrules});
1767	$DB = stat $path ? Storable::retrieve $path : { };	2310	cf::db_put (rent => balance => $pst->{rent}{balance});
1768	}	2311	BDB::db_env_txn_checkpoint $DB_ENV;
1769		2312
1770	my $pid;	2313	unlink $path;
1771
1772	sub db_save() {
1773	warn "saving database $path\n";#d# remove later
1774	waitpid $pid, 0 if $pid;
1775	if (0 == ($pid = fork)) {
1776	$DB->{_meta}{version} = 1;
1777	Storable::nstore $DB, "$path~";
1778	rename "$path~", $path;
1779	cf::_exit 0 if defined $pid;
1780	}	2314	};
1781	}
1782
1783	my $dirty;
1784
1785	sub db_sync() {
1786	db_save if $dirty;
1787	undef $dirty;
1788	}
1789
1790	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1791	db_sync;
1792	});
1793
1794	sub db_dirty() {
1795	$dirty = 1;
1796	$idle->start;
1797	}
1798
1799	sub db_get($;$) {
1800	@_ >= 2
1801	? $DB->{$_[0]}{$_[1]}
1802	: ($DB->{$_[0]} ||= { })
1803	}
1804
1805	sub db_put($$;$) {
1806	if (@_ >= 3) {
1807	$DB->{$_[0]}{$_[1]} = $_[2];
1808	} else {
1809	$DB->{$_[0]} = $_[1];
1810	}
1811	db_dirty;
1812	}
1813
1814	cf::global->attach (
1815	prio => 10000,
1816	on_cleanup => sub {
1817	db_sync;
1818	},	2315	}
1819	);	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 { };
1820	}	2333	}
1821		2334
1822	#############################################################################	2335	#############################################################################
1823	# 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	}
1824		2400
1825	sub cfg_load {	2401	sub cfg_load {
1826	open my $fh, "<:utf8", cf::confdir . "/config"	2402	open my $fh, "<:utf8", cf::confdir . "/config"
1827	or return;	2403	or return;
1828		2404
1829	local $/;	2405	local $/;
1830	*CFG = YAML::Syck::Load <$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	}
1831	}	2420	}
1832		2421
1833	sub main {	2422	sub main {
1834	# we must not ever block the main coroutine	2423	# we must not ever block the main coroutine
1835	local $Coro::idle = sub {	2424	local $Coro::idle = sub {
1836	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1837	(Coro::unblock_sub {	2426	(async {
1838	Event::one_event;	2427	Event::one_event;
1839	})->();	2428	})->prio (Coro::PRIO_MAX);
1840	};	2429	};
1841		2430
1842	cfg_load;	2431	cfg_load;
1843	db_load;	2432	db_init;
1844	load_extensions;	2433	load_extensions;
		2434
		2435	$TICK_WATCHER->start;
1845	Event::loop;	2436	Event::loop;
1846	}	2437	}
1847		2438
1848	#############################################################################	2439	#############################################################################
1849	# 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 $make_core;
		2495	}
1850		2496
1851	sub reload() {	2497	sub reload() {
1852	# can/must only be called in main	2498	# can/must only be called in main
1853	if ($Coro::current != $Coro::main) {	2499	if ($Coro::current != $Coro::main) {
1854	warn "can only reload from main coroutine\n";	2500	warn "can only reload from main coroutine";
1855	return;	2501	return;
1856	}	2502	}
1857		2503
1858	warn "reloading...";	2504	warn "reloading...";
1859		2505
1860	local $FREEZE = 1;	2506	warn "entering sync_job";
		2507
		2508	cf::sync_job {
		2509	cf::write_runtime; # external watchdog should not bark
1861	cf::emergency_save;	2510	cf::emergency_save;
		2511	cf::write_runtime; # external watchdog should not bark
1862		2512
1863	eval {	2513	warn "syncing database to disk";
		2514	BDB::db_env_txn_checkpoint $DB_ENV;
		2515
1864	# 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
1865		2517
1866	# cancel all watchers	2518	warn "cancelling all WF_AUTOCANCEL watchers";
1867	for (Event::all_watchers) {	2519	for (Event::all_watchers) {
1868	$_->cancel if $_->data & WF_AUTOCANCEL;	2520	$_->cancel if $_->data & WF_AUTOCANCEL;
1869	}	2521	}
1870		2522
		2523	warn "flushing outstanding aio requests";
		2524	for (;;) {
		2525	BDB::flush;
		2526	IO::AIO::flush;
		2527	Coro::cede;
		2528	last unless IO::AIO::nreqs || BDB::nreqs;
		2529	warn "iterate...";
		2530	}
		2531
		2532	++$RELOAD;
		2533
1871	# cancel all extension coros	2534	warn "cancelling all extension coros";
1872	$_->cancel for values %EXT_CORO;	2535	$_->cancel for values %EXT_CORO;
1873	%EXT_CORO = ();	2536	%EXT_CORO = ();
1874		2537
1875	# unload all extensions	2538	warn "removing commands";
1876	for (@exts) {	2539	%COMMAND = ();
		2540
		2541	warn "removing ext commands";
		2542	%EXTCMD = ();
		2543
		2544	warn "unloading/nuking all extensions";
		2545	for my $pkg (@EXTS) {
1877	warn "unloading <$_>";	2546	warn "... unloading $pkg";
1878	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: $@";
1879	}	2553	}
1880		2554
		2555	warn "... nuking $pkg";
		2556	Symbol::delete_package $pkg;
		2557	}
		2558
1881	# unload all modules loaded from $LIBDIR	2559	warn "unloading all perl modules loaded from $LIBDIR";
1882	while (my ($k, $v) = each %INC) {	2560	while (my ($k, $v) = each %INC) {
1883	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2561	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1884		2562
1885	warn "removing <$k>";	2563	warn "... unloading $k";
1886	delete $INC{$k};	2564	delete $INC{$k};
1887		2565
1888	$k =~ s/\.pm$//;	2566	$k =~ s/\.pm$//;
1889	$k =~ s/\//::/g;	2567	$k =~ s/\//::/g;
1890		2568
…		…
1893	}	2571	}
1894		2572
1895	Symbol::delete_package $k;	2573	Symbol::delete_package $k;
1896	}	2574	}
1897		2575
1898	# sync database to disk
1899	cf::db_sync;
1900	IO::AIO::flush;
1901
1902	# get rid of safe::, as good as possible	2576	warn "getting rid of safe::, as good as possible";
1903	Symbol::delete_package "safe::$_"	2577	Symbol::delete_package "safe::$_"
1904	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);
1905		2579
1906	# remove register_script_function callbacks
1907	# TODO
1908
1909	# unload cf.pm "a bit"	2580	warn "unloading cf.pm \"a bit\"";
1910	delete $INC{"cf.pm"};	2581	delete $INC{"cf.pm"};
1911		2582
1912	# don't, removes xs symbols, too,	2583	# don't, removes xs symbols, too,
1913	# and global variables created in xs	2584	# and global variables created in xs
1914	#Symbol::delete_package __PACKAGE__;	2585	#Symbol::delete_package __PACKAGE__;
1915		2586
1916	# reload cf.pm	2587	warn "unload completed, starting to reload now";
		2588
1917	warn "reloading cf.pm";	2589	warn "reloading cf.pm";
1918	require cf;	2590	require cf;
1919	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1920		2592
1921	# load config and database again	2593	warn "loading config and database again";
1922	cf::cfg_load;	2594	cf::cfg_load;
1923	cf::db_load;
1924		2595
1925	# load extensions
1926	warn "load extensions";	2596	warn "loading extensions";
1927	cf::load_extensions;	2597	cf::load_extensions;
1928		2598
1929	# reattach attachments to objects	2599	warn "reattaching attachments to objects/players";
1930	warn "reattach";	2600	_global_reattach; # objects, sockets
1931	_global_reattach;	2601	warn "reattaching attachments to maps";
1932	};	2602	reattach $_ for values %MAP;
		2603	warn "reattaching attachments to players";
		2604	reattach $_ for values %PLAYER;
1933		2605
1934	if ($@) {	2606	warn "loading reloadable resources";
		2607	reload_resources;
		2608
		2609	warn "leaving sync_job";
		2610
		2611	1
		2612	} or do {
1935	warn $@;	2613	warn $@;
1936	warn "error while reloading, exiting.";	2614	warn "error while reloading, exiting.";
1937	exit 1;	2615	exit 1;
1938	}	2616	};
1939		2617
1940	warn "reloaded successfully";	2618	warn "reloaded";
1941	};	2619	};
1942		2620
1943	#############################################################################	2621	our $RELOAD_WATCHER; # used only during reload
1944
1945	unless ($LINK_MAP) {
1946	$LINK_MAP = cf::map::new;
1947
1948	$LINK_MAP->width (41);
1949	$LINK_MAP->height (41);
1950	$LINK_MAP->alloc;
1951	$LINK_MAP->path ("{link}");
1952	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1953	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1954
1955	# dirty hack because... archetypes are not yet loaded
1956	Event->timer (
1957	after => 2,
1958	cb => sub {
1959	$_[0]->w->cancel;
1960
1961	# provide some exits "home"
1962	my $exit = cf::object::new "exit";
1963
1964	$exit->slaying ($EMERGENCY_POSITION->[0]);
1965	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1966	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1967
1968	$LINK_MAP->insert ($exit->clone, 19, 19);
1969	$LINK_MAP->insert ($exit->clone, 19, 20);
1970	$LINK_MAP->insert ($exit->clone, 19, 21);
1971	$LINK_MAP->insert ($exit->clone, 20, 19);
1972	$LINK_MAP->insert ($exit->clone, 20, 21);
1973	$LINK_MAP->insert ($exit->clone, 21, 19);
1974	$LINK_MAP->insert ($exit->clone, 21, 20);
1975	$LINK_MAP->insert ($exit->clone, 21, 21);
1976
1977	$exit->destroy;
1978	});
1979
1980	$LINK_MAP->{deny_save} = 1;
1981	$LINK_MAP->{deny_reset} = 1;
1982
1983	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1984	}
1985
1986	register "<global>", __PACKAGE__;
1987		2622
1988	register_command "reload" => sub {	2623	register_command "reload" => sub {
1989	my ($who, $arg) = @_;	2624	my ($who, $arg) = @_;
1990		2625
1991	if ($who->flag (FLAG_WIZ)) {	2626	if ($who->flag (FLAG_WIZ)) {
1992	$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 {
1993	reload;	2637	reload;
1994	$who->message ("end of reload.");	2638	undef $RELOAD_WATCHER;
		2639	},
		2640	);
1995	}	2641	}
1996	};	2642	};
1997		2643
1998	unshift @INC, $LIBDIR;	2644	unshift @INC, $LIBDIR;
		2645
		2646	my $bug_warning = 0;
1999		2647
2000	$TICK_WATCHER = Event->timer (	2648	$TICK_WATCHER = Event->timer (
2001	reentrant => 0,	2649	reentrant => 0,
		2650	parked => 1,
2002	prio => 0,	2651	prio => 0,
2003	at => $NEXT_TICK || $TICK,	2652	at => $NEXT_TICK || $TICK,
2004	data => WF_AUTOCANCEL,	2653	data => WF_AUTOCANCEL,
2005	cb => sub {	2654	cb => sub {
2006	unless ($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
2007	cf::server_tick; # one server iteration	2663	cf::server_tick; # one server iteration
2008	$RUNTIME += $TICK;	2664	$RUNTIME += $TICK;
2009	}
2010
2011	$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#
2012		2680
2013	# 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
2014	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2015		2683
2016	$TICK_WATCHER->at ($NEXT_TICK);	2684	$TICK_WATCHER->at ($NEXT_TICK);
2017	$TICK_WATCHER->start;	2685	$TICK_WATCHER->start;
2018	},	2686	},
2019	);	2687	);
2020		2688
		2689	{
2021	IO::AIO::max_poll_time $TICK * 0.2;	2690	BDB::max_poll_time $TICK * 0.1;
2022		2691	$BDB_POLL_WATCHER = Event->io (
2023	Event->io (	2692	reentrant => 0,
2024	fd => IO::AIO::poll_fileno,	2693	fd => BDB::poll_fileno,
2025	poll => 'r',	2694	poll => 'r',
2026	prio => 5,	2695	prio => 0,
2027	data => WF_AUTOCANCEL,
2028	cb => \&IO::AIO::poll_cb,
2029	);
2030
2031	Event->timer (
2032	data => WF_AUTOCANCEL,	2696	data => WF_AUTOCANCEL,
2033	after => 0,	2697	cb => \&BDB::poll_cb,
2034	interval => 10,	2698	);
2035	cb => sub {	2699	BDB::min_parallel 8;
2036	(Coro::unblock_sub {	2700
2037	write_runtime	2701	BDB::set_sync_prepare {
2038	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 $@;
2039	})->();	2735	};
2040	},	2736	}
2041	);	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 }
2042		2755
2043	1	2756	1
2044		2757

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