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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.228 by root, Mon Mar 26 16:53:33 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.52 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
19		21
		22	use BDB ();
		23	use Data::Dumper;
20	use Digest::MD5;	24	use Digest::MD5;
21	use Fcntl;	25	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	26	use YAML::Syck ();
		27	use IO::AIO 2.32 ();
24	use Time::HiRes;	28	use Time::HiRes;
		29	use Compress::LZF;
25		30
		31	# configure various modules to our taste
		32	#
		33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		35
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	36	$Event::Eval = 1; # no idea why this is required, but it is
27		37
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	39	$YAML::Syck::ImplicitUnicode = 1;
30		40
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		42
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	our %COMMAND = ();	45	our %COMMAND = ();
36	our %COMMAND_TIME = ();	46	our %COMMAND_TIME = ();
		47
		48	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	49	our %EXTCMD = ();
		50	our %EXT_CORO = (); # coroutines bound to extensions
		51	our %EXT_MAP = (); # pluggable maps
38		52
		53	our $RELOAD; # number of reloads so far
39	our @EVENT;	54	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	55	our $LIBDIR = datadir . "/ext";
41		56
42	our $TICK = MAX_TIME * 1e-6;	57	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	58	our $TICK_WATCHER;
		59	our $AIO_POLL_WATCHER;
		60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	61	our $NEXT_TICK;
45	our $NOW;	62	our $NOW;
		63	our $USE_FSYNC = 1; # use fsync to write maps - default off
		64
		65	our $BDB_POLL_WATCHER;
		66	our $DB_ENV;
46		67
47	our %CFG;	68	our %CFG;
48		69
49	our $UPTIME; $UPTIME ||= time;	70	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	71	our $RUNTIME;
51		72
		73	our %PLAYER; # all users
52	our %MAP; # all maps	74	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	75	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	76	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	77	our $BDB_ENV_DIR = cf::localdir . "/db";
		78
		79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		81
		82	# used to convert map paths into valid unix filenames by replacing / by ∕
		83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		84
58	binmode STDOUT;	85	binmode STDOUT;
59	binmode STDERR;	86	binmode STDERR;
60		87
61	# read virtual server time, if available	88	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	95	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	96	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	97	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	98	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	99	mkdir $RANDOM_MAPS;
		100	mkdir $BDB_ENV_DIR;
73		101
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	102	our $EMERGENCY_POSITION;
		103
		104	sub cf::map::normalise;
77		105
78	#############################################################################	106	#############################################################################
79		107
80	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
81		109
…		…
105		133
106	=item %cf::CFG	134	=item %cf::CFG
107		135
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
110		145
111	=back	146	=back
112		147
113	=cut	148	=cut
114		149
…		…
118	utf8::encode $msg;	153	utf8::encode $msg;
119		154
120	$msg .= "\n"	155	$msg .= "\n"
121	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
122		157
123	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
124	};	159	};
125	}	160	}
126		161
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
146		181
147	$Event::DIED = sub {	182	$Event::DIED = sub {
148	warn "error in event callback: @_";	183	warn "error in event callback: @_";
149	};	184	};
150		185
151	my %ext_pkg;
152	my @exts;
153	my @hook;
154
155	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
156		187
157	=over 4	188	=over 4
158		189
159	=cut	190	=item dumpval $ref
160		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
162		214
163	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
164		216
165	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
166		218
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
175		220
176	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
177		222
178	=cut
179
180	sub to_json($) {
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182	JSON::Syck::Dump $_[0]
183	}
184
185	=item my $guard = cf::guard { BLOCK }
186
187	Run the given callback when the guard object gets destroyed (useful for
188	coroutine cancellations).
189
190	You can call C<< ->cancel >> on the guard object to stop the block from
191	being executed.
192
193	=cut
194
195	sub guard(&) {
196	bless \(my $cb = $_[0]), cf::guard::;
197	}
198
199	sub cf::guard::cancel {
200	${$_[0]} = sub { };
201	}
202
203	sub cf::guard::DESTROY {
204	${$_[0]}->();
205	}
206
207	=item cf::lock_wait $string	223	=item cf::lock_wait $string
208		224
209	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
210		226
211	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
212		228
213	Wait until the given lock is available and then acquires it and returns	229	Wait until the given lock is available and then acquires it and returns
214	a guard object. If the guard object gets destroyed (goes out of scope,	230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
216	returned.	232	returned.
217		233
218	Lock names should begin with a unique identifier (for example, find_map	234	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
220		236
221	=cut	237	=cut
222		238
223	our %LOCK;	239	our %LOCK;
224		240
…		…
238	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
239	lock_wait $key;	255	lock_wait $key;
240		256
241	$LOCK{$key} = [];	257	$LOCK{$key} = [];
242		258
243	cf::guard {	259	Coro::guard {
244	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
246	}	262	}
247	}	263	}
248		264
		265	sub freeze_mainloop {
		266	return unless $TICK_WATCHER->is_active;
		267
		268	my $guard = Coro::guard {
		269	$TICK_WATCHER->start;
		270	};
		271	$TICK_WATCHER->stop;
		272	$guard
		273	}
		274
249	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
250		276
251	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
252	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
253		280
254	=cut	281	=cut
255		282
256	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
257	my ($cb) = @_;
258
259	Coro::async {
260	eval { $cb->() };
261	warn $@ if $@;
262	}
263	}
264		284
265	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
266		286
267	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
268	always able to handle events or runnable, as crossfire+ is only partly	288	always able to handle events or runnable, as crossfire+ is only partly
…		…
282	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
283	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
284		304
285	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
286	# (but this is cancel-safe)	306	# (but this is cancel-safe)
287	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
288		308
289	my $busy = 1;	309	my $busy = 1;
290	my @res;	310	my @res;
291		311
292	(Coro::async {	312	(async {
293	@res = eval { $job->() };	313	@res = eval { $job->() };
294	warn $@ if $@;	314	warn $@ if $@;
295	undef $busy;	315	undef $busy;
296	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
297		317
298	while ($busy) {	318	while ($busy) {
299	Coro::cede_notself;	319	Coro::cede or Event::one_event;
300	Event::one_event unless Coro::nready;
301	}	320	}
302		321
303	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
304	} else {	323	} else {
305	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
306		325
307	$job->()	326	$job->()
308	}	327	}
309	}	328	}
310		329
311	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
312		331
313	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
314	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
315		334
316	=cut	335	=cut
317		336
318	sub coro(&) {	337	sub async_ext(&) {
319	my $cb = shift;	338	my $cb = shift;
320		339
321	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
322		341
323	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
324	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
325	});	344	});
326	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
327		346
328	$coro	347	$coro
329	}	348	}
330		349
331	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
332	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
333		354
334	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335	or return;	356	or return;
336		357
		358	my $value = $cf::RUNTIME + 90 + 10;
337	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	359	# 10 is the runtime save interval, for a monotonic clock
		360	# 60 allows for the watchdog to kill the server.
		361
338	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
339	and return;	363	and return;
340		364
		365	# always fsync - this file is important
341	aio_fsync $fh	366	aio_fsync $fh
342	and return;	367	and return;
343		368
344	close $fh	369	close $fh
345	or return;	370	or return;
…		…
351	}	376	}
352		377
353	=back	378	=back
354		379
355	=cut	380	=cut
356
357	#############################################################################
358
359	package cf::path;
360
361	sub new {
362	my ($class, $path, $base) = @_;
363
364	$path = $path->as_string if ref $path;
365
366	my $self = bless { }, $class;
367
368	# {... are special paths that are not touched
369	# ?xxx/... are special absolute paths
370	# ?random/... random maps
371	# /! non-realised random map exit
372	# /... normal maps
373	# ~/... per-player maps without a specific player (DO NOT USE)
374	# ~user/... per-player map of a specific user
375
376	if ($path =~ /^{/) {
377	# fine as it is
378	} elsif ($path =~ s{^\?random/}{}) {
379	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380	$self->{random} = cf::from_json $data;
381	} else {
382	if ($path =~ s{^~([^/]+)?}{}) {
383	$self->{user_rel} = 1;
384
385	if (defined $1) {
386	$self->{user} = $1;
387	} elsif ($base =~ m{^~([^/]+)/}) {
388	$self->{user} = $1;
389	} else {
390	warn "cannot resolve user-relative path without user <$path,$base>\n";
391	}
392	} elsif ($path =~ /^\//) {
393	# already absolute
394	} else {
395	$base =~ s{[^/]+/?$}{};
396	return $class->new ("$base/$path");
397	}
398
399	for ($path) {
400	redo if s{/\.?/}{/};
401	redo if s{/[^/]+/\.\./}{/};
402	}
403	}
404
405	$self->{path} = $path;
406
407	$self
408	}
409
410	# the name / primary key / in-game path
411	sub as_string {
412	my ($self) = @_;
413
414	$self->{user_rel} ? "~$self->{user}$self->{path}"
415	: $self->{random} ? "?random/$self->{path}"
416	: $self->{path}
417	}
418
419	# the displayed name, this is a one way mapping
420	sub visible_name {
421	my ($self) = @_;
422
423	# if (my $rmp = $self->{random}) {
424	# # todo: be more intelligent about this
425	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426	# } else {
427	$self->as_string
428	# }
429	}
430
431	# escape the /'s in the path
432	sub _escaped_path {
433	# ∕ is U+2215
434	(my $path = $_[0]{path}) =~ s/\//∕/g;
435	$path
436	}
437
438	# the original (read-only) location
439	sub load_path {
440	my ($self) = @_;
441
442	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443	}
444
445	# the temporary/swap location
446	sub save_path {
447	my ($self) = @_;
448
449	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452	}
453
454	# the unique path, might be eq to save_path
455	sub uniq_path {
456	my ($self) = @_;
457
458	$self->{user_rel} || $self->{random}
459	? undef
460	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461	}
462
463	# return random map parameters, or undef
464	sub random_map_params {
465	my ($self) = @_;
466
467	$self->{random}
468	}
469
470	# this is somewhat ugly, but style maps do need special treatment
471	sub is_style_map {
472	$_[0]{path} =~ m{^/styles/}
473	}
474
475	package cf;
476		381
477	#############################################################################	382	#############################################################################
478		383
479	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
480		385
…		…
606	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
607	our @CB_MAP = ();	512	our @CB_MAP = ();
608		513
609	my %attachment;	514	my %attachment;
610		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
611	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
612	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
613		524
614	use sort 'stable';	525	use sort 'stable';
615		526
…		…
786	# object support	697	# object support
787		698
788	sub reattach {	699	sub reattach {
789	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
790	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
791		704
792	my $registry = $obj->registry;	705	my $registry = $obj->registry;
793		706
794	@$registry = ();	707	@$registry = ();
795		708
…		…
842	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
843		756
844	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
845	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
846	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
847	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
848	close $fh;	761	close $fh;
849		762
850	if (@$objs) {	763	if (@$objs) {
851	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
853	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
854	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
855	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
856	close $fh;	769	close $fh;
857	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
858	}	771	}
859	} else {	772	} else {
860	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
927	=cut	840	=cut
928		841
929	sub register_extcmd {	842	sub register_extcmd {
930	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
931		844
932	my $caller = caller;
933	#warn "registering extcmd '$name' to '$caller'";
934
935	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
936	}	846	}
937		847
938	cf::player->attach (	848	cf::player->attach (
939	on_command => sub {	849	on_command => sub {
940	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
953		863
954	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
955		865
956	if (ref $msg) {	866	if (ref $msg) {
957	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
959	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
960	}	870	}
961	}	871	}
962	} else {	872	} else {
963	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
965		875
966	cf::override;	876	cf::override;
967	},	877	},
968	);	878	);
969		879
970	sub register {
971	my ($base, $pkg) = @_;
972
973	#TODO
974	}
975
976	sub load_extension {	880	sub load_extension {
977	my ($path) = @_;	881	my ($path) = @_;
978		882
979	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
980	my $base = $1;	884	my $base = $1;
981	my $pkg = $1;	885	my $pkg = $1;
982	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
983	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
984		888
985	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
986		890
987	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
988	or die "$path: $!";	892	or die "$path: $!";
989		893
990	my $source =	894	my $source =
991	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
992	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
993	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
994	. "\n};\n1";	898	. "\n};\n1";
995		899
996	eval $source	900	unless (eval $source) {
997	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
998	: "extension disabled.\n";	902	: "extension disabled.\n";
999		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000	push @exts, $pkg;	904	warn $@;
1001	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
1002		906	exit 1;
1003	# no strict 'refs';	907	}
1004	# @{"$pkg\::ISA"} = ext::;	908	die $@;
1005
1006	register $base, $pkg;
1007	}
1008
1009	sub unload_extension {
1010	my ($pkg) = @_;
1011
1012	warn "removing extension $pkg\n";
1013
1014	# remove hooks
1015	#TODO
1016	# for my $idx (0 .. $#PLUGIN_EVENT) {
1017	# delete $hook[$idx]{$pkg};
1018	# }	909	}
1019		910
1020	# remove commands	911	push @EXTS, $pkg;
1021	for my $name (keys %COMMAND) {
1022	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024	if (@cb) {
1025	$COMMAND{$name} = \@cb;
1026	} else {
1027	delete $COMMAND{$name};
1028	}
1029	}
1030
1031	# remove extcmds
1032	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033	delete $EXTCMD{$name};
1034	}
1035
1036	if (my $cb = $pkg->can ("unload")) {
1037	eval {
1038	$cb->($pkg);
1039	1
1040	} or warn "$pkg unloaded, but with errors: $@";
1041	}
1042
1043	Symbol::delete_package $pkg;
1044	}	912	}
1045		913
1046	sub load_extensions {	914	sub load_extensions {
1047	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1048	next unless -r $ext;	916	next unless -r $ext;
…		…
1052	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1053	}	921	}
1054	}	922	}
1055		923
1056	#############################################################################	924	#############################################################################
1057	# load/save/clean perl data associated with a map
1058
1059	*cf::mapsupport::on_clean = sub {
1060	my ($map) = @_;
1061
1062	my $path = $map->tmpname;
1063	defined $path or return;
1064
1065	unlink "$path.pst";
1066	};
1067
1068	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069
1070	#############################################################################
1071	# load/save perl data associated with player->ob objects
1072
1073	sub all_objects(@) {
1074	@_, map all_objects ($_->inv), @_
1075	}
1076
1077	# TODO: compatibility cruft, remove when no longer needed
1078	cf::player->attach (
1079	on_load => sub {
1080	my ($pl, $path) = @_;
1081
1082	for my $o (all_objects $pl->ob) {
1083	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084	$o->set_ob_key_value ("_perl_data");
1085
1086	%$o = %{ Storable::thaw pack "H*", $value };
1087	}
1088	}
1089	},
1090	);
1091
1092	#############################################################################
1093		925
1094	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1095		927
1096	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1097		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1098	=head3 cf::player	936	=head3 cf::player
1099		937
1100	=over 4	938	=over 4
1101		939
1102	=item cf::player::exists $login	940	=item cf::player::find $login
1103		941
1104	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1105		943
1106	=cut	944	=cut
1107		945
1108	sub cf::player::exists($) {	946	sub playerdir($) {
1109	cf::player::find $_[0]	947	cf::localdir
1110	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	948	. "/"
		949	. cf::playerdir
		950	. "/"
		951	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		952	}
		953
		954	sub path($) {
		955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		956
		957	(playerdir $login) . "/$login.pl"
		958	}
		959
		960	sub find_active($) {
		961	$cf::PLAYER{$_[0]}
		962	and $cf::PLAYER{$_[0]}->active
		963	and $cf::PLAYER{$_[0]}
		964	}
		965
		966	sub exists($) {
		967	my ($login) = @_;
		968
		969	$cf::PLAYER{$login}
		970	or cf::sync_job { !aio_stat path $login }
		971	}
		972
		973	sub find($) {
		974	return $cf::PLAYER{$_[0]} || do {
		975	my $login = $_[0];
		976
		977	my $guard = cf::lock_acquire "user_find:$login";
		978
		979	$cf::PLAYER{$_[0]} || do {
		980	my $pl = load_pl path $login
		981	or return;
		982	$cf::PLAYER{$login} = $pl
		983	}
		984	}
		985	}
		986
		987	sub save($) {
		988	my ($pl) = @_;
		989
		990	return if $pl->{deny_save};
		991
		992	my $path = path $pl;
		993	my $guard = cf::lock_acquire "user_save:$path";
		994
		995	return if $pl->{deny_save};
		996
		997	aio_mkdir playerdir $pl, 0770;
		998	$pl->{last_save} = $cf::RUNTIME;
		999
		1000	$pl->save_pl ($path);
		1001	Coro::cede;
		1002	}
		1003
		1004	sub new($) {
		1005	my ($login) = @_;
		1006
		1007	my $self = create;
		1008
		1009	$self->ob->name ($login);
		1010	$self->{deny_save} = 1;
		1011
		1012	$cf::PLAYER{$login} = $self;
		1013
		1014	$self
		1015	}
		1016
		1017	=item $pl->quit_character
		1018
		1019	Nukes the player without looking back. If logged in, the connection will
		1020	be destroyed. May block for a long time.
		1021
		1022	=cut
		1023
		1024	sub quit_character {
		1025	my ($pl) = @_;
		1026
		1027	my $name = $pl->ob->name;
		1028
		1029	$pl->{deny_save} = 1;
		1030	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1031
		1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1033	$pl->deactivate;
		1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1035	$pl->ns->destroy if $pl->ns;
		1036
		1037	my $path = playerdir $pl;
		1038	my $temp = "$path~$cf::RUNTIME~deleting~";
		1039	aio_rename $path, $temp;
		1040	delete $cf::PLAYER{$pl->ob->name};
		1041	$pl->destroy;
		1042
		1043	my $prefix = qr<^~\Q$name\E/>;
		1044
		1045	# nuke player maps
		1046	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1047
		1048	IO::AIO::aio_rmtree $temp;
		1049	}
		1050
		1051	=item $pl->kick
		1052
		1053	Kicks a player out of the game. This destroys the connection.
		1054
		1055	=cut
		1056
		1057	sub kick {
		1058	my ($pl, $kicker) = @_;
		1059
		1060	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1061	$pl->killer ("kicked");
		1062	$pl->ns->destroy;
		1063	}
		1064
		1065	=item cf::player::list_logins
		1066
		1067	Returns am arrayref of all valid playernames in the system, can take a
		1068	while and may block, so not sync_job-capable, ever.
		1069
		1070	=cut
		1071
		1072	sub list_logins {
		1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1074	or return [];
		1075
		1076	my @logins;
		1077
		1078	for my $login (@$dirs) {
		1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1080	aio_read $fh, 0, 512, my $buf, 0 or next;
		1081	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1082
		1083	utf8::decode $login;
		1084	push @logins, $login;
		1085	}
		1086
		1087	\@logins
		1088	}
		1089
		1090	=item $player->maps
		1091
		1092	Returns an arrayref of map paths that are private for this
		1093	player. May block.
		1094
		1095	=cut
		1096
		1097	sub maps($) {
		1098	my ($pl) = @_;
		1099
		1100	$pl = ref $pl ? $pl->ob->name : $pl;
		1101
		1102	my $files = aio_readdir playerdir $pl
		1103	or return;
		1104
		1105	my @paths;
		1106
		1107	for (@$files) {
		1108	utf8::decode $_;
		1109	next if /\.(?:pl|pst)$/;
		1110	next unless /^$PATH_SEP/o;
		1111
		1112	push @paths, cf::map::normalise "~$pl/$_";
		1113	}
		1114
		1115	\@paths
1111	}	1116	}
1112		1117
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1114		1119
1115	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1116		1121
1117	=cut	1122	=cut
1118		1123
1119	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1120	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1121		1126
1122	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1123		1128
1124	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1125	}	1130	}
		1131
		1132	package cf;
1126		1133
1127	=back	1134	=back
1128		1135
1129		1136
1130	=head3 cf::map	1137	=head3 cf::map
…		…
1136	package cf::map;	1143	package cf::map;
1137		1144
1138	use Fcntl;	1145	use Fcntl;
1139	use Coro::AIO;	1146	use Coro::AIO;
1140		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1141	our $MAX_RESET = 7200;	1152	our $MAX_RESET = 3600;
1142	our $DEFAULT_RESET = 3600;	1153	our $DEFAULT_RESET = 3000;
1143		1154
1144	sub generate_random_map {	1155	sub generate_random_map {
1145	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1146
1147	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1148	cf::map::_create_random_map	1158	$self->_create_random_map (
1149	$path,
1150	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1154	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1155	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1167	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160	(cf::region::find $rmp->{region})	1169	(cf::region::find $rmp->{region}), $rmp->{custom}
		1170	)
		1171	}
		1172
		1173	=item cf::map->register ($regex, $prio)
		1174
		1175	Register a handler for the map path matching the given regex at the
		1176	givne priority (higher is better, built-in handlers have priority 0, the
		1177	default).
		1178
		1179	=cut
		1180
		1181	sub register {
		1182	my (undef, $regex, $prio) = @_;
		1183	my $pkg = caller;
		1184
		1185	no strict;
		1186	push @{"$pkg\::ISA"}, __PACKAGE__;
		1187
		1188	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1189	}
		1190
		1191	# also paths starting with '/'
		1192	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1193
		1194	sub thawer_merge {
		1195	my ($self, $merge) = @_;
		1196
		1197	# we have to keep some variables in memory intact
		1198	local $self->{path};
		1199	local $self->{load_path};
		1200	local $self->{deny_save};
		1201	local $self->{deny_reset};
		1202
		1203	$self->SUPER::thawer_merge ($merge);
		1204	}
		1205
		1206	sub normalise {
		1207	my ($path, $base) = @_;
		1208
		1209	$path = "$path"; # make sure its a string
		1210
		1211	$path =~ s/\.map$//;
		1212
		1213	# map plan:
		1214	#
		1215	# /! non-realised random map exit (special hack!)
		1216	# {... are special paths that are not being touched
		1217	# ?xxx/... are special absolute paths
		1218	# ?random/... random maps
		1219	# /... normal maps
		1220	# ~user/... per-player map of a specific user
		1221
		1222	$path =~ s/$PATH_SEP/\//go;
		1223
		1224	# treat it as relative path if it starts with
		1225	# something that looks reasonable
		1226	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1227	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1228
		1229	$base =~ s{[^/]+/?$}{};
		1230	$path = "$base/$path";
		1231	}
		1232
		1233	for ($path) {
		1234	redo if s{//}{/};
		1235	redo if s{/\.?/}{/};
		1236	redo if s{/[^/]+/\.\./}{/};
		1237	}
		1238
		1239	$path
		1240	}
		1241
		1242	sub new_from_path {
		1243	my (undef, $path, $base) = @_;
		1244
		1245	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1246
		1247	$path = normalise $path, $base;
		1248
		1249	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1250	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1251	my $self = bless cf::map::new, $pkg;
		1252	$self->{path} = $path; $self->path ($path);
		1253	$self->init; # pass $1 etc.
		1254	return $self;
		1255	}
		1256	}
		1257
		1258	Carp::carp "unable to resolve path '$path' (base '$base').";
		1259	()
		1260	}
		1261
		1262	sub init {
		1263	my ($self) = @_;
		1264
		1265	$self
		1266	}
		1267
		1268	sub as_string {
		1269	my ($self) = @_;
		1270
		1271	"$self->{path}"
		1272	}
		1273
		1274	# the displayed name, this is a one way mapping
		1275	sub visible_name {
		1276	&as_string
		1277	}
		1278
		1279	# the original (read-only) location
		1280	sub load_path {
		1281	my ($self) = @_;
		1282
		1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1284	}
		1285
		1286	# the temporary/swap location
		1287	sub save_path {
		1288	my ($self) = @_;
		1289
		1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1292	}
		1293
		1294	# the unique path, undef == no special unique path
		1295	sub uniq_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1161	}	1300	}
1162		1301
1163	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1164	# all maps in C++...	1303	# all maps in C++...
1165	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1167		1306
1168	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1169	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1170	}	1309	}
1171		1310
		1311	sub unlink_save {
		1312	my ($self) = @_;
		1313
		1314	utf8::encode (my $save = $self->save_path);
		1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1317	}
		1318
1172	sub try_load_header($) {	1319	sub load_header_from($) {
1173	my ($path) = @_;	1320	my ($self, $path) = @_;
1174		1321
1175	utf8::encode $path;	1322	utf8::encode $path;
1176	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1177	or return;	1327	or return;
1178		1328
1179	my $map = cf::map::new	1329	$self->{load_path} = $path;
		1330
		1331	1
		1332	}
		1333
		1334	sub load_header_orig {
		1335	my ($self) = @_;
		1336
		1337	$self->load_header_from ($self->load_path)
		1338	}
		1339
		1340	sub load_header_temp {
		1341	my ($self) = @_;
		1342
		1343	$self->load_header_from ($self->save_path)
		1344	}
		1345
		1346	sub prepare_temp {
		1347	my ($self) = @_;
		1348
		1349	$self->last_access ((delete $self->{last_access})
		1350	|| $cf::RUNTIME); #d#
		1351	# safety
		1352	$self->{instantiate_time} = $cf::RUNTIME
		1353	if $self->{instantiate_time} > $cf::RUNTIME;
		1354	}
		1355
		1356	sub prepare_orig {
		1357	my ($self) = @_;
		1358
		1359	$self->{load_original} = 1;
		1360	$self->{instantiate_time} = $cf::RUNTIME;
		1361	$self->last_access ($cf::RUNTIME);
		1362	$self->instantiate;
		1363	}
		1364
		1365	sub load_header {
		1366	my ($self) = @_;
		1367
		1368	if ($self->load_header_temp) {
		1369	$self->prepare_temp;
		1370	} else {
		1371	$self->load_header_orig
1180	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1181		1375
1182	$map->load_header ($path)	1376	1
1183	or return;
1184
1185	$map->{load_path} = $path;
1186
1187	$map
1188	}	1377	}
1189		1378
1190	sub find_map;	1379	sub find;
1191	sub find_map {	1380	sub find {
1192	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1193		1382
1194	#warn "find_map<$path,$origin>\n";#d#
1195
1196	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1197	my $key = $path->as_string;
1198		1384
1199	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1200		1386
1201	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1202	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1203		1389	my $map = new_from_path cf::map $path
1204	# do it the slow way
1205	my $map = try_load_header $path->save_path;
1206
1207	if ($map) {
1208	# safety
1209	$map->{instantiate_time} = $cf::RUNTIME
1210	if $map->{instantiate_time} > $cf::RUNTIME;
1211	} else {
1212	if (my $rmp = $path->random_map_params) {
1213	$map = generate_random_map $key, $rmp;
1214	} else {
1215	$map = try_load_header $path->load_path;
1216	}
1217
1218	$map or return;	1390	or return;
1219		1391
1220	$map->{load_original} = 1;
1221	$map->{instantiate_time} = $cf::RUNTIME;
1222	$map->instantiate;
1223
1224	# per-player maps become, after loading, normal maps
1225	$map->per_player (0) if $path->{user_rel};
1226	}
1227
1228	$map->path ($key);
1229	$map->{path} = $path;
1230	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232		1393
1233	if ($map->should_reset) {	1394	$map->load_header
		1395	or return;
		1396
		1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1398	# doing this can freeze the server in a sync job, obviously
		1399	#$cf::WAIT_FOR_TICK->wait;
1234	$map->reset;	1400	$map->reset;
1235	undef $guard;	1401	undef $guard;
1236	$map = find_map $path	1402	return find $path;
1237	or return;
1238	}	1403	}
1239		1404
1240	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1241	}	1406	}
1242	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1243		1411
1244	sub load {	1412	sub load {
1245	my ($self) = @_;	1413	my ($self) = @_;
1246		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1247	my $path = $self->{path};	1417	my $path = $self->{path};
1248	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1249		1419
1250	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1251		1421
1252	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1253		1423
1254	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1255	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1256	or return;	1429	or return;
1257		1430
1258	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259	if delete $self->{load_original};	1432	if delete $self->{load_original};
1260		1433
1261	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1262	utf8::encode $uniq;	1435	utf8::encode $uniq;
1263	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1264	$self->clear_unique_items;	1437	$self->clear_unique_items;
1265	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1266	}	1439	}
1267	}	1440	}
		1441
		1442	Coro::cede;
1268		1443
1269	# now do the right thing for maps	1444	# now do the right thing for maps
1270	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1271		1446
1272	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1273	$self->{deny_save} = 1;	1448	$self->decay_objects;
1274	$self->{deny_reset} = 1;
1275	} else {
1276	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1277	$self->decay_objects;
1278	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1279	$self->set_darkness_map;	1452	$self->set_darkness_map;
1280	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1281	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1282	$self->activate;	1456	$self->activate;
1283	}	1457	}
1284		1458
		1459	$self->post_load;
		1460
1285	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1286	}	1462	}
1287		1463
1288	sub load_map_sync {	1464	sub customise_for {
		1465	my ($self, $ob) = @_;
		1466
		1467	return find "~" . $ob->name . "/" . $self->{path}
		1468	if $self->per_player;
		1469
		1470	$self
		1471	}
		1472
		1473	# find and load all maps in the 3x3 area around a map
		1474	sub load_diag {
		1475	my ($map) = @_;
		1476
		1477	my @diag; # diagonal neighbours
		1478
		1479	for (0 .. 3) {
		1480	my $neigh = $map->tile_path ($_)
		1481	or next;
		1482	$neigh = find $neigh, $map
		1483	or next;
		1484	$neigh->load;
		1485
		1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1488	}
		1489
		1490	for (@diag) {
		1491	my $neigh = find @$_
		1492	or next;
		1493	$neigh->load;
		1494	}
		1495	}
		1496
		1497	sub find_sync {
1289	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1290		1499
1291	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1292		1502
1293	cf::sync_job {	1503	sub do_load_sync {
1294	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1295	or return;	1505
		1506	cf::sync_job { $map->load };
		1507	}
		1508
		1509	our %MAP_PREFETCH;
		1510	our $MAP_PREFETCHER = undef;
		1511
		1512	sub find_async {
		1513	my ($path, $origin) = @_;
		1514
		1515	$path = normalise $path, $origin && $origin->{path};
		1516
		1517	if (my $map = $cf::MAP{$path}) {
		1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1519	}
		1520
		1521	undef $MAP_PREFETCH{$path};
		1522	$MAP_PREFETCHER ||= cf::async {
		1523	while (%MAP_PREFETCH) {
		1524	for my $path (keys %MAP_PREFETCH) {
		1525	my $map = find $path
		1526	or next;
1296	$map->load;	1527	$map->load;
1297	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1298	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1299	}	1537	}
1300		1538
1301	sub save {	1539	sub save {
1302	my ($self) = @_;	1540	my ($self) = @_;
1303		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1304	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1305		1545
1306	return unless $self->dirty;	1546	return unless $self->dirty;
1307		1547
1308	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1309	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1310		1550
1311	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1312		1552
1313	return if $self->{deny_save};	1553	return if $self->{deny_save};
1314		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1315	if ($uniq) {	1561	if ($uniq) {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1318	} else {	1564	} else {
1319	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1565	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320	}	1566	}
1321	}	1567	}
1322		1568
1323	sub swap_out {	1569	sub swap_out {
1324	my ($self) = @_;	1570	my ($self) = @_;
1325		1571
1326	# save first because save cedes	1572	# save first because save cedes
1327	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1328		1576
1329	return if $self->players;	1577	return if $self->players;
1330	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1331	return if $self->{deny_save};	1579	return if $self->{deny_save};
1332		1580
…		…
1336		1584
1337	sub reset_at {	1585	sub reset_at {
1338	my ($self) = @_;	1586	my ($self) = @_;
1339		1587
1340	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1341	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1342	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1343		1591
1344	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346		1594
…		…
1351	my ($self) = @_;	1599	my ($self) = @_;
1352		1600
1353	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1354	}	1602	}
1355		1603
1356	sub unlink_save {
1357	my ($self) = @_;
1358
1359	utf8::encode (my $save = $self->{path}->save_path);
1360	aioreq_pri 3; IO::AIO::aio_unlink $save;
1361	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362	}
1363
1364	sub rename {
1365	my ($self, $new_path) = @_;
1366
1367	$self->unlink_save;
1368
1369	delete $cf::MAP{$self->path};
1370	$self->{path} = new cf::path $new_path;
1371	$self->path ($self->{path}->as_string);
1372	$cf::MAP{$self->path} = $self;
1373
1374	$self->save;
1375	}
1376
1377	sub reset {	1604	sub reset {
1378	my ($self) = @_;	1605	my ($self) = @_;
1379		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1380	return if $self->players;	1609	return if $self->players;
1381	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1382		1611
1383	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1384		1613
		1614	$self->in_memory (cf::MAP_SWAPPED);
		1615
		1616	# need to save uniques path
		1617	unless ($self->{deny_save}) {
		1618	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1619
		1620	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1621	if $uniq;
		1622	}
		1623
1385	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1386		1627
1387	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1388		1629
1389	$self->unlink_save;	1630	$self->unlink_save;
1390	$self->destroy;	1631	$self->destroy;
…		…
1393	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1394		1635
1395	sub nuke {	1636	sub nuke {
1396	my ($self) = @_;	1637	my ($self) = @_;
1397		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1398	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1399	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1400	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1401	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1402	}	1652	}
1403		1653
1404	sub customise_for {	1654	=item cf::map::unique_maps
1405	my ($map, $ob) = @_;
1406		1655
1407	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1408	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1409	}
1410		1658
1411	$map	1659	=cut
1412	}
1413		1660
1414	sub emergency_save {	1661	sub unique_maps() {
1415	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1416		1664
1417	warn "enter emergency map save\n";	1665	my @paths;
1418		1666
1419	cf::sync_job {	1667	for (@$files) {
1420	warn "begin emergency map save\n";	1668	utf8::decode $_;
1421	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1422	};	1673	}
1423		1674
1424	warn "end emergency map save\n";	1675	\@paths
1425	}	1676	}
1426		1677
1427	package cf;	1678	package cf;
1428		1679
1429	=back	1680	=back
1430		1681
		1682	=head3 cf::object
		1683
		1684	=cut
		1685
		1686	package cf::object;
		1687
		1688	=over 4
		1689
		1690	=item $ob->inv_recursive
		1691
		1692	Returns the inventory of the object _and_ their inventories, recursively.
		1693
		1694	=cut
		1695
		1696	sub inv_recursive_;
		1697	sub inv_recursive_ {
		1698	map { $_, inv_recursive_ $_->inv } @_
		1699	}
		1700
		1701	sub inv_recursive {
		1702	inv_recursive_ inv $_[0]
		1703	}
		1704
		1705	package cf;
		1706
		1707	=back
1431		1708
1432	=head3 cf::object::player	1709	=head3 cf::object::player
1433		1710
1434	=over 4	1711	=over 4
1435		1712
…		…
1475		1752
1476	=item $player_object->enter_link	1753	=item $player_object->enter_link
1477		1754
1478	Freezes the player and moves him/her to a special map (C<{link}>).	1755	Freezes the player and moves him/her to a special map (C<{link}>).
1479		1756
1480	The player should be reaosnably safe there for short amounts of time. You	1757	The player should be reasonably safe there for short amounts of time. You
1481	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1482		1759
		1760	Will never block.
		1761
1483	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1484		1763
1485	Moves the player out of the specila link map onto the given map. If the	1764	Moves the player out of the special C<{link}> map onto the specified
1486	map is not valid (or omitted), the player will be moved back to the	1765	map. If the map is not valid (or omitted), the player will be moved back
1487	location he/she was before the call to C<enter_link>, or, if that fails,	1766	to the location he/she was before the call to C<enter_link>, or, if that
1488	to the emergency map position.	1767	fails, to the emergency map position.
1489		1768
1490	Might block.	1769	Might block.
1491		1770
1492	=cut	1771	=cut
		1772
		1773	sub link_map {
		1774	unless ($LINK_MAP) {
		1775	$LINK_MAP = cf::map::find "{link}"
		1776	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1777	$LINK_MAP->load;
		1778	}
		1779
		1780	$LINK_MAP
		1781	}
1493		1782
1494	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1495	my ($self) = @_;	1784	my ($self) = @_;
1496		1785
1497	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1498		1787
1499	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1500		1789
1501	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502	if $self->map;	1791	if $self->map;
1503		1792
1504	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1505	}	1794	}
1506		1795
1507	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1508	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1509		1798
1510	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1511		1800
1512	unless ($map) {	1801	unless ($map) {
1513	# restore original map position	1802	# restore original map position
1514	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1515	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1516		1805
1517	unless ($map) {	1806	unless ($map) {
1518	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1519	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1520	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1521	}	1810	}
1522	}	1811	}
1523		1812
1524	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1527	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1528	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1529	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1530		1819
1531	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1532		1822
		1823	return unless $self->contr->active;
1533	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1534	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1535	}	1828	}
1536		1829
1537	cf::player->attach (	1830	cf::player->attach (
1538	on_logout => sub {	1831	on_logout => sub {
…		…
1550		1843
1551	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1552	# should happen only on crashes	1845	# should happen only on crashes
1553	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1554	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1555	cf::async {	1848	(async {
		1849	$pl->ob->reply (undef,
		1850	"There was an internal problem at your last logout, "
		1851	. "the server will try to bring you to your intended destination in a second.",
		1852	cf::NDI_RED);
1556	# we need this sleep as the login has a concurrent enter_exit running	1853	# we need this sleep as the login has a concurrent enter_exit running
1557	# and this sleep increases chances of the player not ending up in scorn	1854	# and this sleep increases chances of the player not ending up in scorn
1558	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1559	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1560	};	1857	})->prio (2);
1561	}	1858	}
1562	},	1859	},
1563	);	1860	);
1564		1861
1565	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1566		1863
1567	=cut	1864	=cut
1568		1865
1569	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1570	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1571		1868
1572	$self->enter_link;	1869	$self->enter_link;
1573		1870
1574	(cf::async {	1871	(async {
1575	$path = new cf::path $path;	1872	my $map = eval {
1576
1577	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1578	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1579		1875	$map
1580	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1581	# if $map;
1582
1583	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584		1878
1585	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1586	})->prio (1);	1880	})->prio (1);
1587	}	1881	}
1588		1882
…		…
1592		1886
1593	sub parse_random_map_params {	1887	sub parse_random_map_params {
1594	my ($spec) = @_;	1888	my ($spec) = @_;
1595		1889
1596	my $rmp = { # defaults	1890	my $rmp = { # defaults
1597	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1598	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1599	};	1895	};
1600		1896
1601	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1602	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1603		1899
…		…
1607	$rmp	1903	$rmp
1608	}	1904	}
1609		1905
1610	sub prepare_random_map {	1906	sub prepare_random_map {
1611	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1612		1910
1613	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1614	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1615	# that depends on the exit object	1913	# that depends on the exit object
1616		1914
1617	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1618		1916
1619	if ($exit->map) {	1917	if ($exit->map) {
1620	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1621	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1622	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1623	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1624	}	1922	}
1625		1923
1626	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1627		1925
1628	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1629	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1630		1929
1631	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1632	aio_write $fh, 0, (length $data), $data, 0;	1931	aio_write $fh, 0, (length $data), $data, 0;
		1932	undef $fh;
		1933	aio_rename "$meta~", $meta;
1633		1934
1634	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1635	$exit->msg (undef);	1936	$exit->msg (undef);
1636	}	1937	}
1637	}	1938	}
…		…
1639	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1640	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1641		1942
1642	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1643		1944
		1945	if ($exit->slaying eq "/!") {
		1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1947	cf::sync_job { prepare_random_map $exit };
		1948	}
		1949
		1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1951	my $hp = $exit->stats->hp;
		1952	my $sp = $exit->stats->sp;
		1953
1644	$self->enter_link;	1954	$self->enter_link;
1645		1955
1646	(cf::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	1958	unless (eval {
1648	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		1960
1654	1;	1961	1;
1655	}) {	1962	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	1964	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1660		1967
1661	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	1969	$self->leave_link;
1663	}	1970	}
…		…
1677		1984
1678	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1680		1987
1681	utf8::encode $text;	1988	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	1990	}
1684		1991
1685		1992
1686	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1687		1994
…		…
1718	# get handled first	2025	# get handled first
1719	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2027	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2028
1722	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2031
1724	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1725		2033
1726	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2035	if (@$queue) {
…		…
1731	}	2039	}
1732	}	2040	}
1733	},	2041	},
1734	);	2042	);
1735		2043
1736	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1737		2045
1738	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2047	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2048	or loss of connection).
1741		2049
1742	=cut	2050	=cut
1743		2051
1744	sub cf::client::coro {	2052	sub cf::client::async {
1745	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1746		2054
1747	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1748		2056
1749	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1751	});	2059	});
1752		2060
…		…
1785		2093
1786	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1787		2095
1788	=pod	2096	=pod
1789		2097
1790	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1791		2099
1792	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1793	cf::object::player player	2101	cf::object::player player
1794	cf::player peaceful	2102	cf::player peaceful
1795	cf::map trigger	2103	cf::map trigger
…		…
1888	The parameter C<$family> should best start with the name of the extension	2196	The parameter C<$family> should best start with the name of the extension
1889	using it, it should be unique.	2197	using it, it should be unique.
1890		2198
1891	=over 4	2199	=over 4
1892		2200
1893	=item $hashref = cf::db_get $family
1894
1895	Return a hashref for use by the extension C<$family>, which can be
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898
1899	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1900		2202
1901	Returns a single value from the database	2203	Returns a single value from the database.
1902
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907		2204
1908	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1909		2206
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920		2208
1921	=cut	2209	=cut
1922		2210
1923	our $DB;	2211	our $DB;
1924		2212
1925	{	2213	sub db_init {
		2214	unless ($DB) {
		2215	$DB = BDB::db_create $DB_ENV;
		2216
		2217	cf::sync_job {
		2218	eval {
		2219	$DB->set_flags (BDB::CHKSUM);
		2220
		2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2223	cf::cleanup "db_open(db): $!" if $!;
		2224	};
		2225	cf::cleanup "db_open(db): $@" if $@;
		2226	};
		2227
1926	my $path = cf::localdir . "/database.pst";	2228	my $path = cf::localdir . "/database.pst";
		2229	if (stat $path) {
		2230	cf::sync_job {
		2231	my $pst = Storable::retrieve $path;
1927		2232
1928	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1929	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1930	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1931		2237
1932	my $pid;	2238	unlink $path;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}	2239	};
1942	}	2240	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2241	}
		2242	}
1954		2243
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}
1959
1960	sub db_get($;$) {	2244	sub db_get($$) {
1961	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1966	sub db_put($$;$) {	2255	sub db_put($$$) {
1967	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1968	$DB->{$_[0]}{$_[1]} = $_[2];	2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
		2258	}
		2259
		2260	#############################################################################
		2261	# the server's init and main functions
		2262
		2263	sub load_faces {
		2264	my $path = sprintf "%s/faces", cf::datadir;
		2265
		2266	warn "loading faces from $path\n";
		2267
		2268	my $faces;
		2269	0 < aio_load $path, $faces
		2270	or die "$path: $!";
		2271
		2272	Coro::cede;
		2273	$faces = Storable::thaw $faces;
		2274	Coro::cede;
		2275
		2276	my $meta = delete $faces->{""};
		2277	$meta->{version} == 1
		2278	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2279
		2280	while (my ($face, $info) = each %$faces) {
		2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2284	Coro::cede;
		2285	}
		2286
		2287	while (my ($face, $info) = each %$faces) {
		2288	next unless $info->{smooth};
		2289	my $idx = cf::face::find $face
		2290	or next;
		2291	if (my $smooth = cf::face::find $info->{smooth}) {
		2292	cf::face::set_smooth $idx, $smooth;
1969	} else {	2293	} else {
1970	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2295	}
1980	);	2296	Coro::cede;
1981	}	2297	}
1982		2298
1983	#############################################################################	2299	1
1984	# the server's main()	2300	}
		2301
		2302	sub reload_resources {
		2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2304	or die "unable to load regions file\n";#d#
		2305	load_faces
		2306	or die "unable to load faces\n";#d#
		2307	}
		2308
		2309	sub init {
		2310	reload_resources;
		2311	}
1985		2312
1986	sub cfg_load {	2313	sub cfg_load {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
1988	or return;	2315	or return;
1989		2316
1990	local $/;	2317	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	2318	*CFG = YAML::Syck::Load <$fh>;
1992		2319
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		2321
		2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2324
1995	if (exists $CFG{mlockall}) {	2325	if (exists $CFG{mlockall}) {
1996	eval {	2326	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	2328	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	2329	};
2000	warn $@ if $@;	2330	warn $@ if $@;
2001	}	2331	}
2002	}	2332	}
2003		2333
2004	sub main {	2334	sub main {
2005	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	2338	(async {
2009	Event::one_event;	2339	Event::one_event;
2010	})->();	2340	})->prio (Coro::PRIO_MAX);
2011	};	2341	};
2012		2342
2013	cfg_load;	2343	cfg_load;
2014	db_load;	2344	db_init;
2015	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2016	Event::loop;	2348	Event::loop;
2017	}	2349	}
2018		2350
2019	#############################################################################	2351	#############################################################################
2020	# initialisation	2352	# initialisation and cleanup
		2353
		2354	# install some emergency cleanup handlers
		2355	BEGIN {
		2356	for my $signal (qw(INT HUP TERM)) {
		2357	Event->signal (
		2358	reentrant => 0,
		2359	data => WF_AUTOCANCEL,
		2360	signal => $signal,
		2361	prio => 0,
		2362	cb => sub {
		2363	cf::cleanup "SIG$signal";
		2364	},
		2365	);
		2366	}
		2367	}
		2368
		2369	sub emergency_save() {
		2370	my $freeze_guard = cf::freeze_mainloop;
		2371
		2372	warn "enter emergency perl save\n";
		2373
		2374	cf::sync_job {
		2375	# use a peculiar iteration method to avoid tripping on perl
		2376	# refcount bugs in for. also avoids problems with players
		2377	# and maps saved/destroyed asynchronously.
		2378	warn "begin emergency player save\n";
		2379	for my $login (keys %cf::PLAYER) {
		2380	my $pl = $cf::PLAYER{$login} or next;
		2381	$pl->valid or next;
		2382	$pl->save;
		2383	}
		2384	warn "end emergency player save\n";
		2385
		2386	warn "begin emergency map save\n";
		2387	for my $path (keys %cf::MAP) {
		2388	my $map = $cf::MAP{$path} or next;
		2389	$map->valid or next;
		2390	$map->save;
		2391	}
		2392	warn "end emergency map save\n";
		2393
		2394	warn "begin emergency database checkpoint\n";
		2395	BDB::db_env_txn_checkpoint $DB_ENV;
		2396	warn "end emergency database checkpoint\n";
		2397	};
		2398
		2399	warn "leave emergency perl save\n";
		2400	}
		2401
		2402	sub post_cleanup {
		2403	my ($make_core) = @_;
		2404
		2405	warn Carp::longmess "post_cleanup backtrace"
		2406	if $make_core;
		2407	}
2021		2408
2022	sub reload() {	2409	sub reload() {
2023	# can/must only be called in main	2410	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2026	return;	2413	return;
2027	}	2414	}
2028		2415
2029	warn "reloading...";	2416	warn "reloading...";
2030		2417
2031	local $FREEZE = 1;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2033		2424
2034	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2035	# if anything goes wrong in here, we should simply crash as we already saved	2428	# if anything goes wrong in here, we should simply crash as we already saved
2036		2429
2037	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	2433	}
2041		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2042	# cancel all extension coros	2446	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	2448	%EXT_CORO = ();
2045		2449
2046	# unload all extensions	2450	warn "removing commands";
2047	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2049	unload_extension $_;	2459
		2460	if (my $cb = $pkg->can ("unload")) {
		2461	eval {
		2462	$cb->($pkg);
		2463	1
		2464	} or warn "$pkg unloaded, but with errors: $@";
2050	}	2465	}
2051		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2052	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		2474
2056	warn "removing <$k>";	2475	warn "... unloading $k";
2057	delete $INC{$k};	2476	delete $INC{$k};
2058		2477
2059	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2061		2480
…		…
2064	}	2483	}
2065		2484
2066	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2067	}	2486	}
2068		2487
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		2491
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2082		2494
2083	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2084	# and global variables created in xs	2496	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2086		2498
2087	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2088	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2089	require cf;	2502	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		2504
2092	# load config and database again	2505	warn "loading config and database again";
2093	cf::cfg_load;	2506	cf::cfg_load;
2094	cf::db_load;
2095		2507
2096	# load extensions
2097	warn "load extensions";	2508	warn "loading extensions";
2098	cf::load_extensions;	2509	cf::load_extensions;
2099		2510
2100	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2101	warn "reattach";	2512	_global_reattach; # objects, sockets
2102	_global_reattach;	2513	warn "reattaching attachments to maps";
2103	};	2514	reattach $_ for values %MAP;
		2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2104		2517
2105	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2106	warn $@;	2525	warn $@;
2107	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2108	exit 1;	2527	exit 1;
2109	}	2528	};
2110		2529
2111	warn "reloaded successfully";	2530	warn "reloaded";
2112	};	2531	};
2113		2532
2114	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}
2156
2157	register "<global>", __PACKAGE__;
2158		2534
2159	register_command "reload" => sub {	2535	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2161		2537
2162	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");	2539	$who->message ("reloading server.");
		2540
		2541	# doing reload synchronously and two reloads happen back-to-back,
		2542	# coro crashes during coro_state_free->destroy here.
		2543
		2544	$RELOAD_WATCHER ||= Event->timer (
		2545	reentrant => 0,
		2546	after => 0,
		2547	data => WF_AUTOCANCEL,
		2548	cb => sub {
2164	reload;	2549	reload;
2165	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2166	}	2553	}
2167	};	2554	};
2168		2555
2169	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2170		2559
2171	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2173	prio => 0,	2563	prio => 0,
2174	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2176	cb => sub {	2566	cb => sub {
2177	unless ($FREEZE) {	2567	if ($Coro::current != $Coro::main) {
		2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2569	unless ++$bug_warning > 10;
		2570	return;
		2571	}
		2572
		2573	$NOW = Event::time;
		2574
2178	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2179	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2180	}
2181
2182	$NEXT_TICK += $TICK;	2577	$NEXT_TICK += $TICK;
		2578
		2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2580	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2581	Coro::async_pool {
		2582	write_runtime
		2583	or warn "ERROR: unable to write runtime file: $!";
		2584	};
		2585	}
		2586
		2587	$WAIT_FOR_TICK->broadcast;
		2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2589
		2590	# my $AFTER = Event::time;
		2591	# warn $AFTER - $NOW;#d#
2183		2592
2184	# if we are delayed by four ticks or more, skip them all	2593	# if we are delayed by four ticks or more, skip them all
2185	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186		2595
2187	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2188	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2189	},	2598	},
2190	);	2599	);
2191		2600
		2601	{
2192	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2193		2603	$BDB_POLL_WATCHER = Event->io (
2194	Event->io (	2604	reentrant => 0,
2195	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2196	poll => 'r',	2606	poll => 'r',
2197	prio => 5,	2607	prio => 0,
2198	data => WF_AUTOCANCEL,
2199	cb => \&IO::AIO::poll_cb,
2200	);
2201
2202	Event->timer (
2203	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2204	after => 0,	2609	cb => \&BDB::poll_cb,
2205	interval => 10,	2610	);
2206	cb => sub {	2611	BDB::min_parallel 8;
2207	(Coro::unblock_sub {	2612
2208	write_runtime	2613	BDB::set_sync_prepare {
2209	or warn "ERROR: unable to write runtime file: $!";	2614	my $status;
		2615	my $current = $Coro::current;
		2616	(
		2617	sub {
		2618	$status = $!;
		2619	$current->ready; undef $current;
		2620	},
		2621	sub {
		2622	Coro::schedule while defined $current;
		2623	$! = $status;
		2624	},
		2625	)
		2626	};
		2627
		2628	unless ($DB_ENV) {
		2629	$DB_ENV = BDB::db_env_create;
		2630
		2631	cf::sync_job {
		2632	eval {
		2633	BDB::db_env_open
		2634	$DB_ENV,
		2635	$BDB_ENV_DIR,
		2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2638	0666;
		2639
		2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2641
		2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2643	$DB_ENV->set_lk_detect;
		2644	};
		2645
		2646	cf::cleanup "db_env_open(db): $@" if $@;
2210	})->();	2647	};
2211	},	2648	}
2212	);	2649	}
		2650
		2651	{
		2652	IO::AIO::min_parallel 8;
		2653
		2654	undef $Coro::AIO::WATCHER;
		2655	IO::AIO::max_poll_time $TICK * 0.1;
		2656	$AIO_POLL_WATCHER = Event->io (
		2657	reentrant => 0,
		2658	data => WF_AUTOCANCEL,
		2659	fd => IO::AIO::poll_fileno,
		2660	poll => 'r',
		2661	prio => 6,
		2662	cb => \&IO::AIO::poll_cb,
		2663	);
		2664	}
2213		2665
2214	END { cf::emergency_save }	2666	END { cf::emergency_save }
2215		2667
2216	1	2668	1
2217		2669

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