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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 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	102	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		103
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	104	sub cf::map::normalise;
78		105
79	#############################################################################	106	#############################################################################
80		107
81	=head2 GLOBAL VARIABLES	108	=head2 GLOBAL VARIABLES
82		109
…		…
106		133
107	=item %cf::CFG	134	=item %cf::CFG
108		135
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	136	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	137	from wherever your confdir points to.
		138
		139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		140
		141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		143	processing has been done. Call C<< ->wait >> on them to maximise the
		144	window of cpu time available, or simply to synchronise to the server tick.
111		145
112	=back	146	=back
113		147
114	=cut	148	=cut
115		149
…		…
119	utf8::encode $msg;	153	utf8::encode $msg;
120		154
121	$msg .= "\n"	155	$msg .= "\n"
122	unless $msg =~ /\n$/;	156	unless $msg =~ /\n$/;
123		157
124	LOG llevError, "cfperl: $msg";	158	LOG llevError, $msg;
125	};	159	};
126	}	160	}
127		161
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		181
148	$Event::DIED = sub {	182	$Event::DIED = sub {
149	warn "error in event callback: @_";	183	warn "error in event callback: @_";
150	};	184	};
151		185
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	186	=head2 UTILITY FUNCTIONS
157		187
158	=over 4	188	=over 4
159		189
160	=cut	190	=item dumpval $ref
161		191
		192	=cut
		193
		194	sub dumpval {
		195	eval {
		196	local $SIG{__DIE__};
		197	my $d;
		198	if (1) {
		199	$d = new Data::Dumper([$_[0]], ["*var"]);
		200	$d->Terse(1);
		201	$d->Indent(2);
		202	$d->Quotekeys(0);
		203	$d->Useqq(1);
		204	#$d->Bless(...);
		205	$d->Seen($_[1]) if @_ > 1;
		206	$d = $d->Dump();
		207	}
		208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		209	$d
		210	} || "[unable to dump $_[0]: '$@']";
		211	}
		212
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163		214
164	=item $ref = cf::from_json $json	215	=item $ref = cf::from_json $json
165		216
166	Converts a JSON string into the corresponding perl data structure.	217	Converts a JSON string into the corresponding perl data structure.
167		218
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	219	=item $json = cf::to_json $ref
176		220
177	Converts a perl data structure into its JSON representation.	221	Converts a perl data structure into its JSON representation.
178		222
179	=cut
180
181	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185
186	=item my $guard = cf::guard { BLOCK }
187
188	Run the given callback when the guard object gets destroyed (useful for
189	coroutine cancellations).
190
191	You can call C<< ->cancel >> on the guard object to stop the block from
192	being executed.
193
194	=cut
195
196	sub guard(&) {
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199
200	sub cf::guard::cancel {
201	${$_[0]} = sub { };
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}
207
208	=item cf::lock_wait $string	223	=item cf::lock_wait $string
209		224
210	Wait until the given lock is available. See cf::lock_acquire.	225	Wait until the given lock is available. See cf::lock_acquire.
211		226
212	=item my $lock = cf::lock_acquire $string	227	=item my $lock = cf::lock_acquire $string
213		228
214	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
215	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,
216	for example when the coroutine gets canceled), the lock is automatically	231	for example when the coroutine gets canceled), the lock is automatically
217	returned.	232	returned.
218		233
219	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
220	uses map_find and load_map uses map_load).	235	uses map_find and cf::map::load uses map_load).
221		236
222	=cut	237	=cut
223		238
224	our %LOCK;	239	our %LOCK;
225		240
…		…
239	# wait, to be sure we are not locked	254	# wait, to be sure we are not locked
240	lock_wait $key;	255	lock_wait $key;
241		256
242	$LOCK{$key} = [];	257	$LOCK{$key} = [];
243		258
244	cf::guard {	259	Coro::guard {
245	# wake up all waiters, to be on the safe side	260	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };	261	$_->ready for @{ delete $LOCK{$key} };
247	}	262	}
248	}	263	}
249		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	$guard
		273	}
		274
250	=item cf::async { BLOCK }	275	=item cf::async { BLOCK }
251		276
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	277	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		279	thing you are allowed to do is call C<prio> on it.
254		280
255	=cut	281	=cut
256		282
257	sub async(&) {	283	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		284
266	=item cf::sync_job { BLOCK }	285	=item cf::sync_job { BLOCK }
267		286
268	The design of crossfire+ requires that the main coro ($Coro::main) is	287	The design of crossfire+ requires that the main coro ($Coro::main) is
269	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
…		…
283	# this is the main coro, too bad, we have to block	302	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	303	# till the operation succeeds, freezing the server :/
285		304
286	# TODO: use suspend/resume instead	305	# TODO: use suspend/resume instead
287	# (but this is cancel-safe)	306	# (but this is cancel-safe)
288	local $FREEZE = 1;	307	my $freeze_guard = freeze_mainloop;
289		308
290	my $busy = 1;	309	my $busy = 1;
291	my @res;	310	my @res;
292		311
293	(Coro::async {	312	(async {
294	@res = eval { $job->() };	313	@res = eval { $job->() };
295	warn $@ if $@;	314	warn $@ if $@;
296	undef $busy;	315	undef $busy;
297	})->prio (Coro::PRIO_MAX);	316	})->prio (Coro::PRIO_MAX);
298		317
299	while ($busy) {	318	while ($busy) {
300	Coro::cede_notself;	319	Coro::cede or Event::one_event;
301	Event::one_event unless Coro::nready;
302	}	320	}
303		321
304	wantarray ? @res : $res[0]	322	wantarray ? @res : $res[0]
305	} else {	323	} else {
306	# we are in another coroutine, how wonderful, everything just works	324	# we are in another coroutine, how wonderful, everything just works
307		325
308	$job->()	326	$job->()
309	}	327	}
310	}	328	}
311		329
312	=item $coro = cf::coro { BLOCK }	330	=item $coro = cf::async_ext { BLOCK }
313		331
314	Creates and returns a new coro. This coro is automcatially being canceled	332	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	333	extension calling this is being unloaded.
316		334
317	=cut	335	=cut
318		336
319	sub coro(&) {	337	sub async_ext(&) {
320	my $cb = shift;	338	my $cb = shift;
321		339
322	my $coro = &cf::async ($cb);	340	my $coro = &Coro::async ($cb);
323		341
324	$coro->on_destroy (sub {	342	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	343	delete $EXT_CORO{$coro+0};
326	});	344	});
327	$EXT_CORO{$coro+0} = $coro;	345	$EXT_CORO{$coro+0} = $coro;
328		346
329	$coro	347	$coro
330	}	348	}
331		349
332	sub write_runtime {	350	sub write_runtime {
		351	my $guard = cf::lock_acquire "write_runtime";
		352
333	my $runtime = cf::localdir . "/runtime";	353	my $runtime = cf::localdir . "/runtime";
334		354
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336	or return;	356	or return;
337		357
		358	my $value = $cf::RUNTIME + 90 + 10;
338	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
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0	362	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;	363	and return;
341		364
		365	# always fsync - this file is important
342	aio_fsync $fh	366	aio_fsync $fh
343	and return;	367	and return;
344		368
345	close $fh	369	close $fh
346	or return;	370	or return;
…		…
352	}	376	}
353		377
354	=back	378	=back
355		379
356	=cut	380	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477		381
478	#############################################################################	382	#############################################################################
479		383
480	=head2 ATTACHABLE OBJECTS	384	=head2 ATTACHABLE OBJECTS
481		385
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	511	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	512	our @CB_MAP = ();
609		513
610	my %attachment;	514	my %attachment;
611		515
		516	sub cf::attachable::thawer_merge {
		517	# simply override everything except _meta
		518	local $_[0]{_meta};
		519	%{$_[0]} = %{$_[1]};
		520	}
		521
612	sub _attach_cb($$$$) {	522	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	523	my ($registry, $event, $prio, $cb) = @_;
614		524
615	use sort 'stable';	525	use sort 'stable';
616		526
…		…
787	# object support	697	# object support
788		698
789	sub reattach {	699	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	700	# basically do the same as instantiate, without calling instantiate
791	my ($obj) = @_;	701	my ($obj) = @_;
		702
		703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792		704
793	my $registry = $obj->registry;	705	my $registry = $obj->registry;
794		706
795	@$registry = ();	707	@$registry = ();
796		708
…		…
843	$filename, length $$rdata, scalar @$objs;	755	$filename, length $$rdata, scalar @$objs;
844		756
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	758	chmod SAVE_MODE, $fh;
847	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848	aio_fsync $fh;	760	aio_fsync $fh if $cf::USE_FSYNC;
849	close $fh;	761	close $fh;
850		762
851	if (@$objs) {	763	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	765	chmod SAVE_MODE, $fh;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	766	my $data = Storable::nfreeze { version => 1, objs => $objs };
855	aio_write $fh, 0, (length $data), $data, 0;	767	aio_write $fh, 0, (length $data), $data, 0;
856	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
857	close $fh;	769	close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	770	aio_rename "$filename.pst~", "$filename.pst";
859	}	771	}
860	} else {	772	} else {
861	aio_unlink "$filename.pst";	773	aio_unlink "$filename.pst";
…		…
928	=cut	840	=cut
929		841
930	sub register_extcmd {	842	sub register_extcmd {
931	my ($name, $cb) = @_;	843	my ($name, $cb) = @_;
932		844
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	845	$EXTCMD{$name} = $cb;
937	}	846	}
938		847
939	cf::player->attach (	848	cf::player->attach (
940	on_command => sub {	849	on_command => sub {
941	my ($pl, $name, $params) = @_;	850	my ($pl, $name, $params) = @_;
…		…
954		863
955	my $msg = eval { from_json $buf };	864	my $msg = eval { from_json $buf };
956		865
957	if (ref $msg) {	866	if (ref $msg) {
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	868	if (my %reply = $cb->($pl, $msg)) {
960	$pl->ext_reply ($msg->{msgid}, %reply);	869	$pl->ext_reply ($msg->{msgid}, %reply);
961	}	870	}
962	}	871	}
963	} else {	872	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
966		875
967	cf::override;	876	cf::override;
968	},	877	},
969	);	878	);
970		879
971	sub register {
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	880	sub load_extension {
978	my ($path) = @_;	881	my ($path) = @_;
979		882
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
981	my $base = $1;	884	my $base = $1;
982	my $pkg = $1;	885	my $pkg = $1;
983	$pkg =~ s/[^[:word:]]/_/g;	886	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";	887	$pkg = "ext::$pkg";
985		888
986	warn "loading '$path' into '$pkg'\n";	889	warn "... loading '$path' into '$pkg'\n";
987		890
988	open my $fh, "<:utf8", $path	891	open my $fh, "<:utf8", $path
989	or die "$path: $!";	892	or die "$path: $!";
990		893
991	my $source =	894	my $source =
992	"package $pkg; use strict; use utf8;\n"	895	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"	896	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })	897	. (do { local $/; <$fh> })
995	. "\n};\n1";	898	. "\n};\n1";
996		899
997	eval $source	900	unless (eval $source) {
998	or die $@ ? "$path: $@\n"	901	my $msg = $@ ? "$path: $@\n"
999	: "extension disabled.\n";	902	: "extension disabled.\n";
1000		903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001	push @exts, $pkg;	904	warn $@;
1002	$ext_pkg{$base} = $pkg;	905	warn "mandatory extension failed to load, exiting.\n";
1003		906	exit 1;
1004	# no strict 'refs';	907	}
1005	# @{"$pkg\::ISA"} = ext::;	908	die $@;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }	909	}
1020		910
1021	# remove commands	911	push @EXTS, $pkg;
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}
1030	}
1031
1032	# remove extcmds
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	912	}
1046		913
1047	sub load_extensions {	914	sub load_extensions {
1048	for my $ext (<$LIBDIR/*.ext>) {	915	for my $ext (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	916	next unless -r $ext;
…		…
1053	} or warn "$ext not loaded: $@";	920	} or warn "$ext not loaded: $@";
1054	}	921	}
1055	}	922	}
1056		923
1057	#############################################################################	924	#############################################################################
1058	# load/save/clean perl data associated with a map
1059
1060	*cf::mapsupport::on_clean = sub {
1061	my ($map) = @_;
1062
1063	my $path = $map->tmpname;
1064	defined $path or return;
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}
1077
1078	# TODO: compatibility cruft, remove when no longer needed
1079	cf::player->attach (
1080	on_load => sub {
1081	my ($pl, $path) = @_;
1082
1083	for my $o (all_objects $pl->ob) {
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085	$o->set_ob_key_value ("_perl_data");
1086
1087	%$o = %{ Storable::thaw pack "H*", $value };
1088	}
1089	}
1090	},
1091	);
1092
1093	#############################################################################
1094		925
1095	=head2 CORE EXTENSIONS	926	=head2 CORE EXTENSIONS
1096		927
1097	Functions and methods that extend core crossfire objects.	928	Functions and methods that extend core crossfire objects.
1098		929
		930	=cut
		931
		932	package cf::player;
		933
		934	use Coro::AIO;
		935
1099	=head3 cf::player	936	=head3 cf::player
1100		937
1101	=over 4	938	=over 4
1102		939
1103	=item cf::player::exists $login	940	=item cf::player::find $login
1104		941
1105	Returns true when the given account exists.	942	Returns the given player object, loading it if necessary (might block).
1106		943
1107	=cut	944	=cut
1108		945
1109	sub cf::player::exists($) {	946	sub playerdir($) {
1110	cf::player::find $_[0]	947	cf::localdir
1111	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
1112	}	1116	}
1113		1117
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1118	=item $player->ext_reply ($msgid, $msgtype, %msg)
1115		1119
1116	Sends an ext reply to the player.	1120	Sends an ext reply to the player.
1117		1121
1118	=cut	1122	=cut
1119		1123
1120	sub cf::player::ext_reply($$$%) {	1124	sub ext_reply($$$%) {
1121	my ($self, $id, %msg) = @_;	1125	my ($self, $id, %msg) = @_;
1122		1126
1123	$msg{msgid} = $id;	1127	$msg{msgid} = $id;
1124		1128
1125	$self->send ("ext " . to_json \%msg);	1129	$self->send ("ext " . cf::to_json \%msg);
1126	}	1130	}
		1131
		1132	package cf;
1127		1133
1128	=back	1134	=back
1129		1135
1130		1136
1131	=head3 cf::map	1137	=head3 cf::map
…		…
1137	package cf::map;	1143	package cf::map;
1138		1144
1139	use Fcntl;	1145	use Fcntl;
1140	use Coro::AIO;	1146	use Coro::AIO;
1141		1147
		1148	use overload
		1149	'""' => \&as_string,
		1150	fallback => 1;
		1151
1142	our $MAX_RESET = 7200;	1152	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1153	our $DEFAULT_RESET = 3000;
1144		1154
1145	sub generate_random_map {	1155	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1156	my ($self, $rmp) = @_;
1147
1148	# mit "rum" bekleckern, nicht	1157	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1158	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1162	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1163	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1164	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1165	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1166	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1168	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(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
1162	}	1300	}
1163		1301
1164	# and all this just because we cannot iterate over	1302	# and all this just because we cannot iterate over
1165	# all maps in C++...	1303	# all maps in C++...
1166	sub change_all_map_light {	1304	sub change_all_map_light {
…		…
1168		1306
1169	$_->change_map_light ($change)	1307	$_->change_map_light ($change)
1170	for grep $_->outdoor, values %cf::MAP;	1308	for grep $_->outdoor, values %cf::MAP;
1171	}	1309	}
1172		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
1173	sub try_load_header($) {	1319	sub load_header_from($) {
1174	my ($path) = @_;	1320	my ($self, $path) = @_;
1175		1321
1176	utf8::encode $path;	1322	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1323	#aio_open $path, O_RDONLY, 0
		1324	# or return;
		1325
		1326	$self->_load_header ($path)
1178	or return;	1327	or return;
1179		1328
1180	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
1181	or return;	1372	or return;
		1373	$self->prepare_orig;
		1374	}
1182		1375
1183	$map->load_header ($path)	1376	1
1184	or return;
1185
1186	$map->{load_path} = $path;
1187
1188	$map
1189	}	1377	}
1190		1378
1191	sub find_map;	1379	sub find;
1192	sub find_map {	1380	sub find {
1193	my ($path, $origin) = @_;	1381	my ($path, $origin) = @_;
1194		1382
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	1383	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		1384
1200	cf::lock_wait "map_find:$key";	1385	cf::lock_wait "map_find:$path";
1201		1386
1202	$cf::MAP{$key} || do {	1387	$cf::MAP{$path} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	1388	my $guard = cf::lock_acquire "map_find:$path";
1204		1389	my $map = new_from_path cf::map $path
1205	# do it the slow way
1206	my $map = try_load_header $path->save_path;
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	1390	or return;
1220		1391
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	1392	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		1393
1234	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;
1235	$map->reset;	1400	$map->reset;
1236	undef $guard;	1401	undef $guard;
1237	$map = find_map $path	1402	return find $path;
1238	or return;
1239	}	1403	}
1240		1404
1241	$cf::MAP{$key} = $map	1405	$cf::MAP{$path} = $map
1242	}	1406	}
1243	}	1407	}
		1408
		1409	sub pre_load { }
		1410	sub post_load { }
1244		1411
1245	sub load {	1412	sub load {
1246	my ($self) = @_;	1413	my ($self) = @_;
1247		1414
		1415	local $self->{deny_reset} = 1; # loading can take a long time
		1416
1248	my $path = $self->{path};	1417	my $path = $self->{path};
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1418	my $guard = cf::lock_acquire "map_load:$path";
1250		1419
1251	return if $self->in_memory != cf::MAP_SWAPPED;	1420	return if $self->in_memory != cf::MAP_SWAPPED;
1252		1421
1253	$self->in_memory (cf::MAP_LOADING);	1422	$self->in_memory (cf::MAP_LOADING);
1254		1423
1255	$self->alloc;	1424	$self->alloc;
		1425
		1426	$self->pre_load;
		1427
1256	$self->load_objects ($self->{load_path}, 1)	1428	$self->_load_objects ($self->{load_path}, 1)
1257	or return;	1429	or return;
1258		1430
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260	if delete $self->{load_original};	1432	if delete $self->{load_original};
1261		1433
1262	if (my $uniq = $path->uniq_path) {	1434	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	1435	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	1436	if (aio_open $uniq, O_RDONLY, 0) {
1265	$self->clear_unique_items;	1437	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	1438	$self->_load_objects ($uniq, 0);
1267	}	1439	}
1268	}	1440	}
		1441
		1442	Coro::cede;
1269		1443
1270	# now do the right thing for maps	1444	# now do the right thing for maps
1271	$self->link_multipart_objects;	1445	$self->link_multipart_objects;
1272		1446
1273	if ($self->{path}->is_style_map) {	1447	unless ($self->{deny_activate}) {
1274	$self->{deny_save} = 1;	1448	$self->decay_objects;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;	1449	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;	1450	$self->update_buttons;
		1451	Coro::cede;
1280	$self->set_darkness_map;	1452	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	1453	$self->difficulty ($self->estimate_difficulty)
1282	unless $self->difficulty;	1454	unless $self->difficulty;
		1455	Coro::cede;
1283	$self->activate;	1456	$self->activate;
1284	}	1457	}
1285		1458
		1459	$self->post_load;
		1460
1286	$self->in_memory (cf::MAP_IN_MEMORY);	1461	$self->in_memory (cf::MAP_IN_MEMORY);
1287	}	1462	}
1288		1463
1289	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 {
1290	my ($path, $origin) = @_;	1498	my ($path, $origin) = @_;
1291		1499
1292	#warn "load_map_sync<$path, $origin>\n";#d#	1500	cf::sync_job { find $path, $origin }
		1501	}
1293		1502
1294	cf::sync_job {	1503	sub do_load_sync {
1295	my $map = cf::map::find_map $path, $origin	1504	my ($map) = @_;
1296	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;
1297	$map->load;	1527	$map->load;
1298	$map	1528
		1529	delete $MAP_PREFETCH{$path};
		1530	}
		1531	}
		1532	undef $MAP_PREFETCHER;
1299	}	1533	};
		1534	$MAP_PREFETCHER->prio (6);
		1535
		1536	()
1300	}	1537	}
1301		1538
1302	sub save {	1539	sub save {
1303	my ($self) = @_;	1540	my ($self) = @_;
1304		1541
		1542	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1543
1305	$self->{last_save} = $cf::RUNTIME;	1544	$self->{last_save} = $cf::RUNTIME;
1306		1545
1307	return unless $self->dirty;	1546	return unless $self->dirty;
1308		1547
1309	my $save = $self->{path}->save_path; utf8::encode $save;	1548	my $save = $self->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1549	my $uniq = $self->uniq_path; utf8::encode $uniq;
1311		1550
1312	$self->{load_path} = $save;	1551	$self->{load_path} = $save;
1313		1552
1314	return if $self->{deny_save};	1553	return if $self->{deny_save};
1315		1554
		1555	local $self->{last_access} = $self->last_access;#d#
		1556
		1557	cf::async {
		1558	$_->contr->save for $self->players;
		1559	};
		1560
1316	if ($uniq) {	1561	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	1564	} else {
1320	$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);
1321	}	1566	}
1322	}	1567	}
1323		1568
1324	sub swap_out {	1569	sub swap_out {
1325	my ($self) = @_;	1570	my ($self) = @_;
1326		1571
1327	# save first because save cedes	1572	# save first because save cedes
1328	$self->save;	1573	$self->save;
		1574
		1575	my $lock = cf::lock_acquire "map_data:" . $self->path;
1329		1576
1330	return if $self->players;	1577	return if $self->players;
1331	return if $self->in_memory != cf::MAP_IN_MEMORY;	1578	return if $self->in_memory != cf::MAP_IN_MEMORY;
1332	return if $self->{deny_save};	1579	return if $self->{deny_save};
1333		1580
…		…
1337		1584
1338	sub reset_at {	1585	sub reset_at {
1339	my ($self) = @_;	1586	my ($self) = @_;
1340		1587
1341	# TODO: safety, remove and allow resettable per-player maps	1588	# TODO: safety, remove and allow resettable per-player maps
1342	return 1e99 if $self->{path}{user_rel};	1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1343	return 1e99 if $self->{deny_reset};	1590	return 1e99 if $self->{deny_reset};
1344		1591
1345	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1346	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;
1347		1594
…		…
1352	my ($self) = @_;	1599	my ($self) = @_;
1353		1600
1354	$self->reset_at <= $cf::RUNTIME	1601	$self->reset_at <= $cf::RUNTIME
1355	}	1602	}
1356		1603
1357	sub unlink_save {
1358	my ($self) = @_;
1359
1360	utf8::encode (my $save = $self->{path}->save_path);
1361	aioreq_pri 3; IO::AIO::aio_unlink $save;
1362	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1363	}
1364
1365	sub rename {
1366	my ($self, $new_path) = @_;
1367
1368	$self->unlink_save;
1369
1370	delete $cf::MAP{$self->path};
1371	$self->{path} = new cf::path $new_path;
1372	$self->path ($self->{path}->as_string);
1373	$cf::MAP{$self->path} = $self;
1374
1375	$self->save;
1376	}
1377
1378	sub reset {	1604	sub reset {
1379	my ($self) = @_;	1605	my ($self) = @_;
1380		1606
		1607	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1608
1381	return if $self->players;	1609	return if $self->players;
1382	return if $self->{path}{user_rel};#d#	1610	return if $self->isa ("ext::map_per_player");#d#
1383		1611
1384	warn "resetting map ", $self->path;#d#	1612	warn "resetting map ", $self->path;#d#
1385		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
1386	delete $cf::MAP{$self->path};	1624	delete $cf::MAP{$self->path};
		1625
		1626	$self->clear;
1387		1627
1388	$_->clear_links_to ($self) for values %cf::MAP;	1628	$_->clear_links_to ($self) for values %cf::MAP;
1389		1629
1390	$self->unlink_save;	1630	$self->unlink_save;
1391	$self->destroy;	1631	$self->destroy;
…		…
1394	my $nuke_counter = "aaaa";	1634	my $nuke_counter = "aaaa";
1395		1635
1396	sub nuke {	1636	sub nuke {
1397	my ($self) = @_;	1637	my ($self) = @_;
1398		1638
		1639	delete $cf::MAP{$self->path};
		1640
		1641	$self->unlink_save;
		1642
		1643	bless $self, "cf::map";
		1644	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	1645	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	1646	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1648
		1649	$cf::MAP{$self->path} = $self;
		1650
1402	$self->reset; # polite request, might not happen	1651	$self->reset; # polite request, might not happen
1403	}	1652	}
1404		1653
1405	sub customise_for {	1654	=item cf::map::unique_maps
1406	my ($map, $ob) = @_;
1407		1655
1408	if ($map->per_player) {	1656	Returns an arrayref of paths of all shared maps that have
1409	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1657	instantiated unique items. May block.
1410	}
1411		1658
1412	$map	1659	=cut
1413	}
1414		1660
1415	sub emergency_save {	1661	sub unique_maps() {
1416	local $cf::FREEZE = 1;	1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1663	or return;
1417		1664
1418	warn "enter emergency map save\n";	1665	my @paths;
1419		1666
1420	cf::sync_job {	1667	for (@$files) {
1421	warn "begin emergency map save\n";	1668	utf8::decode $_;
1422	$_->save for values %cf::MAP;	1669	next if /\.pst$/;
		1670	next unless /^$PATH_SEP/o;
		1671
		1672	push @paths, cf::map::normalise $_;
1423	};	1673	}
1424		1674
1425	warn "end emergency map save\n";	1675	\@paths
1426	}	1676	}
1427		1677
1428	package cf;	1678	package cf;
1429		1679
1430	=back	1680	=back
1431		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
1432		1708
1433	=head3 cf::object::player	1709	=head3 cf::object::player
1434		1710
1435	=over 4	1711	=over 4
1436		1712
…		…
1476		1752
1477	=item $player_object->enter_link	1753	=item $player_object->enter_link
1478		1754
1479	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}>).
1480		1756
1481	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
1482	I<MUST> call C<leave_link> as soon as possible, though.	1758	I<MUST> call C<leave_link> as soon as possible, though.
1483		1759
		1760	Will never block.
		1761
1484	=item $player_object->leave_link ($map, $x, $y)	1762	=item $player_object->leave_link ($map, $x, $y)
1485		1763
1486	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
1487	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
1488	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
1489	to the emergency map position.	1767	fails, to the emergency map position.
1490		1768
1491	Might block.	1769	Might block.
1492		1770
1493	=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	}
1494		1782
1495	sub cf::object::player::enter_link {	1783	sub cf::object::player::enter_link {
1496	my ($self) = @_;	1784	my ($self) = @_;
1497		1785
1498	$self->deactivate_recursive;	1786	$self->deactivate_recursive;
1499		1787
1500	return if $self->map == $LINK_MAP;	1788	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		1789
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	1791	if $self->map;
1504		1792
1505	$self->enter_map ($LINK_MAP, 20, 20);	1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	1794	}
1507		1795
1508	sub cf::object::player::leave_link {	1796	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	1797	my ($self, $map, $x, $y) = @_;
1510		1798
1511	my $link_pos = delete $self->{_link_pos};	1799	my $link_pos = delete $self->{_link_pos};
1512		1800
1513	unless ($map) {	1801	unless ($map) {
1514	# restore original map position	1802	# restore original map position
1515	($map, $x, $y) = @{ $link_pos || [] };	1803	($map, $x, $y) = @{ $link_pos || [] };
1516	$map = cf::map::find_map $map;	1804	$map = cf::map::find $map;
1517		1805
1518	unless ($map) {	1806	unless ($map) {
1519	($map, $x, $y) = @$EMERGENCY_POSITION;	1807	($map, $x, $y) = @$EMERGENCY_POSITION;
1520	$map = cf::map::find_map $map	1808	$map = cf::map::find $map
1521	or die "FATAL: cannot load emergency map\n";	1809	or die "FATAL: cannot load emergency map\n";
1522	}	1810	}
1523	}	1811	}
1524		1812
1525	($x, $y) = (-1, -1)	1813	($x, $y) = (-1, -1)
…		…
1528	# use -1 or undef as default coordinates, not 0, 0	1816	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	1817	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	1818	if $x <=0 && $y <= 0;
1531		1819
1532	$map->load;	1820	$map->load;
		1821	$map->load_diag;
1533		1822
		1823	return unless $self->contr->active;
1534	$self->activate_recursive;	1824	$self->activate_recursive;
		1825
		1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1535	$self->enter_map ($map, $x, $y);	1827	$self->enter_map ($map, $x, $y);
1536	}	1828	}
1537		1829
1538	cf::player->attach (	1830	cf::player->attach (
1539	on_logout => sub {	1831	on_logout => sub {
…		…
1551		1843
1552	# try to abort aborted map switching on player login :)	1844	# try to abort aborted map switching on player login :)
1553	# should happen only on crashes	1845	# should happen only on crashes
1554	if ($pl->ob->{_link_pos}) {	1846	if ($pl->ob->{_link_pos}) {
1555	$pl->ob->enter_link;	1847	$pl->ob->enter_link;
1556	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);
1557	# 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
1558	# 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
1559	Coro::Timer::sleep 1;	1855	Coro::Timer::sleep 1;
1560	$pl->ob->leave_link;	1856	$pl->ob->leave_link;
1561	};	1857	})->prio (2);
1562	}	1858	}
1563	},	1859	},
1564	);	1860	);
1565		1861
1566	=item $player_object->goto_map ($path, $x, $y)	1862	=item $player_object->goto ($path, $x, $y)
1567		1863
1568	=cut	1864	=cut
1569		1865
1570	sub cf::object::player::goto_map {	1866	sub cf::object::player::goto {
1571	my ($self, $path, $x, $y) = @_;	1867	my ($self, $path, $x, $y) = @_;
1572		1868
1573	$self->enter_link;	1869	$self->enter_link;
1574		1870
1575	(cf::async {	1871	(async {
1576	$path = new cf::path $path;	1872	my $map = eval {
1577
1578	my $map = cf::map::find_map $path->as_string;	1873	my $map = cf::map::find $path;
1579	$map = $map->customise_for ($self) if $map;	1874	$map = $map->customise_for ($self) if $map;
1580		1875	$map
1581	# warn "entering ", $map->path, " at ($x, $y)\n"	1876	} or
1582	# if $map;
1583
1584	$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);
1585		1878
1586	$self->leave_link ($map, $x, $y);	1879	$self->leave_link ($map, $x, $y);
1587	})->prio (1);	1880	})->prio (1);
1588	}	1881	}
1589		1882
…		…
1593		1886
1594	sub parse_random_map_params {	1887	sub parse_random_map_params {
1595	my ($spec) = @_;	1888	my ($spec) = @_;
1596		1889
1597	my $rmp = { # defaults	1890	my $rmp = { # defaults
1598	xsize => 10,	1891	xsize => (cf::rndm 15, 40),
1599	ysize => 10,	1892	ysize => (cf::rndm 15, 40),
		1893	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1894	#layout => string,
1600	};	1895	};
1601		1896
1602	for (split /\n/, $spec) {	1897	for (split /\n/, $spec) {
1603	my ($k, $v) = split /\s+/, $_, 2;	1898	my ($k, $v) = split /\s+/, $_, 2;
1604		1899
…		…
1608	$rmp	1903	$rmp
1609	}	1904	}
1610		1905
1611	sub prepare_random_map {	1906	sub prepare_random_map {
1612	my ($exit) = @_;	1907	my ($exit) = @_;
		1908
		1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1613		1910
1614	# all this does is basically replace the /! path by	1911	# all this does is basically replace the /! path by
1615	# a new random map path (?random/...) with a seed	1912	# a new random map path (?random/...) with a seed
1616	# that depends on the exit object	1913	# that depends on the exit object
1617		1914
1618	my $rmp = parse_random_map_params $exit->msg;	1915	my $rmp = parse_random_map_params $exit->msg;
1619		1916
1620	if ($exit->map) {	1917	if ($exit->map) {
1621	$rmp->{region} = $exit->map->region_name;	1918	$rmp->{region} = $exit->region->name;
1622	$rmp->{origin_map} = $exit->map->path;	1919	$rmp->{origin_map} = $exit->map->path;
1623	$rmp->{origin_x} = $exit->x;	1920	$rmp->{origin_x} = $exit->x;
1624	$rmp->{origin_y} = $exit->y;	1921	$rmp->{origin_y} = $exit->y;
1625	}	1922	}
1626		1923
1627	$rmp->{random_seed} ||= $exit->random_seed;	1924	$rmp->{random_seed} ||= $exit->random_seed;
1628		1925
1629	my $data = cf::to_json $rmp;	1926	my $data = cf::to_json $rmp;
1630	my $md5 = Digest::MD5::md5_hex $data;	1927	my $md5 = Digest::MD5::md5_hex $data;
		1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1631		1929
1632	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) {
1633	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;
1634		1934
1635	$exit->slaying ("?random/$md5");	1935	$exit->slaying ("?random/$md5");
1636	$exit->msg (undef);	1936	$exit->msg (undef);
1637	}	1937	}
1638	}	1938	}
…		…
1640	sub cf::object::player::enter_exit {	1940	sub cf::object::player::enter_exit {
1641	my ($self, $exit) = @_;	1941	my ($self, $exit) = @_;
1642		1942
1643	return unless $self->type == cf::PLAYER;	1943	return unless $self->type == cf::PLAYER;
1644		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
1645	$self->enter_link;	1954	$self->enter_link;
1646		1955
1647	(cf::async {	1956	(async {
		1957	$self->deactivate_recursive; # just to be sure
1648	unless (eval {	1958	unless (eval {
1649	prepare_random_map $exit	1959	$self->goto ($slaying, $hp, $sp);
1650	if $exit->slaying eq "/!";
1651
1652	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1654		1960
1655	1;	1961	1;
1656	}) {	1962	}) {
1657	$self->message ("Something went wrong deep within the crossfire server. "	1963	$self->message ("Something went wrong deep within the crossfire server. "
1658	. "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. "
1659	. "Please report this to the dungeon master",	1965	. "Please report this to the dungeon master!",
1660	cf::NDI_UNIQUE | cf::NDI_RED);	1966	cf::NDI_UNIQUE | cf::NDI_RED);
1661		1967
1662	warn "ERROR in enter_exit: $@";	1968	warn "ERROR in enter_exit: $@";
1663	$self->leave_link;	1969	$self->leave_link;
1664	}	1970	}
…		…
1678		1984
1679	sub cf::client::send_drawinfo {	1985	sub cf::client::send_drawinfo {
1680	my ($self, $text, $flags) = @_;	1986	my ($self, $text, $flags) = @_;
1681		1987
1682	utf8::encode $text;	1988	utf8::encode $text;
1683	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1684	}	1990	}
1685		1991
1686		1992
1687	=item $success = $client->query ($flags, "text", \&cb)	1993	=item $success = $client->query ($flags, "text", \&cb)
1688		1994
…		…
1719	# get handled first	2025	# get handled first
1720	my $queue = delete $ns->{query_queue}	2026	my $queue = delete $ns->{query_queue}
1721	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
1722		2028
1723	(shift @$queue)->[1]->($msg);	2029	(shift @$queue)->[1]->($msg);
		2030	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1724		2031
1725	push @{ $ns->{query_queue} }, @$queue;	2032	push @{ $ns->{query_queue} }, @$queue;
1726		2033
1727	if (@{ $ns->{query_queue} } == @$queue) {	2034	if (@{ $ns->{query_queue} } == @$queue) {
1728	if (@$queue) {	2035	if (@$queue) {
…		…
1732	}	2039	}
1733	}	2040	}
1734	},	2041	},
1735	);	2042	);
1736		2043
1737	=item $client->coro (\&cb)	2044	=item $client->async (\&cb)
1738		2045
1739	Create a new coroutine, running the specified callback. The coroutine will	2046	Create a new coroutine, running the specified callback. The coroutine will
1740	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,
1741	or loss of connection).	2048	or loss of connection).
1742		2049
1743	=cut	2050	=cut
1744		2051
1745	sub cf::client::coro {	2052	sub cf::client::async {
1746	my ($self, $cb) = @_;	2053	my ($self, $cb) = @_;
1747		2054
1748	my $coro = &cf::async ($cb);	2055	my $coro = &Coro::async ($cb);
1749		2056
1750	$coro->on_destroy (sub {	2057	$coro->on_destroy (sub {
1751	delete $self->{_coro}{$coro+0};	2058	delete $self->{_coro}{$coro+0};
1752	});	2059	});
1753		2060
…		…
1786		2093
1787	# here we export the classes and methods available to script code	2094	# here we export the classes and methods available to script code
1788		2095
1789	=pod	2096	=pod
1790		2097
1791	The following fucntions and emthods are available within a safe environment:	2098	The following functions and methods are available within a safe environment:
1792		2099
1793	cf::object contr pay_amount pay_player map	2100	cf::object contr pay_amount pay_player map
1794	cf::object::player player	2101	cf::object::player player
1795	cf::player peaceful	2102	cf::player peaceful
1796	cf::map trigger	2103	cf::map trigger
…		…
1889	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
1890	using it, it should be unique.	2197	using it, it should be unique.
1891		2198
1892	=over 4	2199	=over 4
1893		2200
1894	=item $hashref = cf::db_get $family
1895
1896	Return a hashref for use by the extension C<$family>, which can be
1897	modified. After modifications, you have to call C<cf::db_dirty> or
1898	C<cf::db_sync>.
1899
1900	=item $value = cf::db_get $family => $key	2201	=item $value = cf::db_get $family => $key
1901		2202
1902	Returns a single value from the database	2203	Returns a single value from the database.
1903
1904	=item cf::db_put $family => $hashref
1905
1906	Stores the given family hashref into the database. Updates are delayed, if
1907	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1908		2204
1909	=item cf::db_put $family => $key => $value	2205	=item cf::db_put $family => $key => $value
1910		2206
1911	Stores the given C<$value> in the family hash. Updates are delayed, if you	2207	Stores the given C<$value> in the family.
1912	want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_dirty
1915
1916	Marks the database as dirty, to be updated at a later time.
1917
1918	=item cf::db_sync
1919
1920	Immediately write the database to disk I<if it is dirty>.
1921		2208
1922	=cut	2209	=cut
1923		2210
1924	our $DB;	2211	our $DB;
1925		2212
1926	{	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
1927	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;
1928		2232
1929	sub db_load() {	2233	cf::db_put (board => data => $pst->{board});
1930	$DB = stat $path ? Storable::retrieve $path : { };	2234	cf::db_put (guildrules => data => $pst->{guildrules});
1931	}	2235	cf::db_put (rent => balance => $pst->{rent}{balance});
		2236	BDB::db_env_txn_checkpoint $DB_ENV;
1932		2237
1933	my $pid;	2238	unlink $path;
1934
1935	sub db_save() {
1936	waitpid $pid, 0 if $pid;
1937	if (0 == ($pid = fork)) {
1938	$DB->{_meta}{version} = 1;
1939	Storable::nstore $DB, "$path~";
1940	rename "$path~", $path;
1941	cf::_exit 0 if defined $pid;
1942	}	2239	};
1943	}	2240	}
1944
1945	my $dirty;
1946
1947	sub db_sync() {
1948	db_save if $dirty;
1949	undef $dirty;
1950	}
1951
1952	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1953	db_sync;
1954	});	2241	}
		2242	}
1955		2243
1956	sub db_dirty() {
1957	$dirty = 1;
1958	$idle->start;
1959	}
1960
1961	sub db_get($;$) {	2244	sub db_get($$) {
1962	@_ >= 2	2245	my $key = "$_[0]/$_[1]";
1963	? $DB->{$_[0]}{$_[1]}
1964	: ($DB->{$_[0]} ||= { })
1965	}
1966		2246
		2247	cf::sync_job {
		2248	BDB::db_get $DB, undef, $key, my $data;
		2249
		2250	$! ? ()
		2251	: Compress::LZF::sthaw $data
		2252	}
		2253	}
		2254
1967	sub db_put($$;$) {	2255	sub db_put($$$) {
1968	if (@_ >= 3) {	2256	BDB::dbreq_pri 4;
1969	$DB->{$_[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;
1970	} else {	2293	} else {
1971	$DB->{$_[0]} = $_[1];	2294	warn "smooth face '$info->{smooth}' not found for face '$face'";
1972	}
1973	db_dirty;
1974	}
1975
1976	cf::global->attach (
1977	prio => 10000,
1978	on_cleanup => sub {
1979	db_sync;
1980	},	2295	}
1981	);	2296	Coro::cede;
1982	}	2297	}
1983		2298
1984	#############################################################################	2299	1
1985	# 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	}
1986		2312
1987	sub cfg_load {	2313	sub cfg_load {
1988	open my $fh, "<:utf8", cf::confdir . "/config"	2314	open my $fh, "<:utf8", cf::confdir . "/config"
1989	or return;	2315	or return;
1990		2316
1991	local $/;	2317	local $/;
1992	*CFG = YAML::Syck::Load <$fh>;	2318	*CFG = YAML::Syck::Load <$fh>;
		2319
		2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		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
		2325	if (exists $CFG{mlockall}) {
		2326	eval {
		2327	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2328	and die "WARNING: m(un)lockall failed: $!\n";
		2329	};
		2330	warn $@ if $@;
		2331	}
1993	}	2332	}
1994		2333
1995	sub main {	2334	sub main {
1996	# we must not ever block the main coroutine	2335	# we must not ever block the main coroutine
1997	local $Coro::idle = sub {	2336	local $Coro::idle = sub {
1998	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#
1999	(Coro::unblock_sub {	2338	(async {
2000	Event::one_event;	2339	Event::one_event;
2001	})->();	2340	})->prio (Coro::PRIO_MAX);
2002	};	2341	};
2003		2342
2004	cfg_load;	2343	cfg_load;
2005	db_load;	2344	db_init;
2006	load_extensions;	2345	load_extensions;
		2346
		2347	$TICK_WATCHER->start;
2007	Event::loop;	2348	Event::loop;
2008	}	2349	}
2009		2350
2010	#############################################################################	2351	#############################################################################
2011	# 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 $make_core;
		2407	}
2012		2408
2013	sub reload() {	2409	sub reload() {
2014	# can/must only be called in main	2410	# can/must only be called in main
2015	if ($Coro::current != $Coro::main) {	2411	if ($Coro::current != $Coro::main) {
2016	warn "can only reload from main coroutine\n";	2412	warn "can only reload from main coroutine";
2017	return;	2413	return;
2018	}	2414	}
2019		2415
2020	warn "reloading...";	2416	warn "reloading...";
2021		2417
2022	local $FREEZE = 1;	2418	warn "entering sync_job";
		2419
		2420	cf::sync_job {
		2421	cf::write_runtime; # external watchdog should not bark
2023	cf::emergency_save;	2422	cf::emergency_save;
		2423	cf::write_runtime; # external watchdog should not bark
2024		2424
2025	eval {	2425	warn "syncing database to disk";
		2426	BDB::db_env_txn_checkpoint $DB_ENV;
		2427
2026	# 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
2027		2429
2028	# cancel all watchers	2430	warn "cancelling all WF_AUTOCANCEL watchers";
2029	for (Event::all_watchers) {	2431	for (Event::all_watchers) {
2030	$_->cancel if $_->data & WF_AUTOCANCEL;	2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2031	}	2433	}
2032		2434
		2435	warn "flushing outstanding aio requests";
		2436	for (;;) {
		2437	BDB::flush;
		2438	IO::AIO::flush;
		2439	Coro::cede;
		2440	last unless IO::AIO::nreqs || BDB::nreqs;
		2441	warn "iterate...";
		2442	}
		2443
		2444	++$RELOAD;
		2445
2033	# cancel all extension coros	2446	warn "cancelling all extension coros";
2034	$_->cancel for values %EXT_CORO;	2447	$_->cancel for values %EXT_CORO;
2035	%EXT_CORO = ();	2448	%EXT_CORO = ();
2036		2449
2037	# unload all extensions	2450	warn "removing commands";
2038	for (@exts) {	2451	%COMMAND = ();
		2452
		2453	warn "removing ext commands";
		2454	%EXTCMD = ();
		2455
		2456	warn "unloading/nuking all extensions";
		2457	for my $pkg (@EXTS) {
2039	warn "unloading <$_>";	2458	warn "... unloading $pkg";
2040	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: $@";
2041	}	2465	}
2042		2466
		2467	warn "... nuking $pkg";
		2468	Symbol::delete_package $pkg;
		2469	}
		2470
2043	# unload all modules loaded from $LIBDIR	2471	warn "unloading all perl modules loaded from $LIBDIR";
2044	while (my ($k, $v) = each %INC) {	2472	while (my ($k, $v) = each %INC) {
2045	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046		2474
2047	warn "removing <$k>";	2475	warn "... unloading $k";
2048	delete $INC{$k};	2476	delete $INC{$k};
2049		2477
2050	$k =~ s/\.pm$//;	2478	$k =~ s/\.pm$//;
2051	$k =~ s/\//::/g;	2479	$k =~ s/\//::/g;
2052		2480
…		…
2055	}	2483	}
2056		2484
2057	Symbol::delete_package $k;	2485	Symbol::delete_package $k;
2058	}	2486	}
2059		2487
2060	# sync database to disk
2061	cf::db_sync;
2062	IO::AIO::flush;
2063
2064	# get rid of safe::, as good as possible	2488	warn "getting rid of safe::, as good as possible";
2065	Symbol::delete_package "safe::$_"	2489	Symbol::delete_package "safe::$_"
2066	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);
2067		2491
2068	# remove register_script_function callbacks
2069	# TODO
2070
2071	# unload cf.pm "a bit"	2492	warn "unloading cf.pm \"a bit\"";
2072	delete $INC{"cf.pm"};	2493	delete $INC{"cf.pm"};
2073		2494
2074	# don't, removes xs symbols, too,	2495	# don't, removes xs symbols, too,
2075	# and global variables created in xs	2496	# and global variables created in xs
2076	#Symbol::delete_package __PACKAGE__;	2497	#Symbol::delete_package __PACKAGE__;
2077		2498
2078	# reload cf.pm	2499	warn "unload completed, starting to reload now";
		2500
2079	warn "reloading cf.pm";	2501	warn "reloading cf.pm";
2080	require cf;	2502	require cf;
2081	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082		2504
2083	# load config and database again	2505	warn "loading config and database again";
2084	cf::cfg_load;	2506	cf::cfg_load;
2085	cf::db_load;
2086		2507
2087	# load extensions
2088	warn "load extensions";	2508	warn "loading extensions";
2089	cf::load_extensions;	2509	cf::load_extensions;
2090		2510
2091	# reattach attachments to objects	2511	warn "reattaching attachments to objects/players";
2092	warn "reattach";	2512	_global_reattach; # objects, sockets
2093	_global_reattach;	2513	warn "reattaching attachments to maps";
2094	};	2514	reattach $_ for values %MAP;
		2515	warn "reattaching attachments to players";
		2516	reattach $_ for values %PLAYER;
2095		2517
2096	if ($@) {	2518	warn "loading reloadable resources";
		2519	reload_resources;
		2520
		2521	warn "leaving sync_job";
		2522
		2523	1
		2524	} or do {
2097	warn $@;	2525	warn $@;
2098	warn "error while reloading, exiting.";	2526	warn "error while reloading, exiting.";
2099	exit 1;	2527	exit 1;
2100	}	2528	};
2101		2529
2102	warn "reloaded successfully";	2530	warn "reloaded";
2103	};	2531	};
2104		2532
2105	#############################################################################	2533	our $RELOAD_WATCHER; # used only during reload
2106
2107	unless ($LINK_MAP) {
2108	$LINK_MAP = cf::map::new;
2109
2110	$LINK_MAP->width (41);
2111	$LINK_MAP->height (41);
2112	$LINK_MAP->alloc;
2113	$LINK_MAP->path ("{link}");
2114	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2116
2117	# dirty hack because... archetypes are not yet loaded
2118	Event->timer (
2119	after => 2,
2120	cb => sub {
2121	$_[0]->w->cancel;
2122
2123	# provide some exits "home"
2124	my $exit = cf::object::new "exit";
2125
2126	$exit->slaying ($EMERGENCY_POSITION->[0]);
2127	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2128	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2129
2130	$LINK_MAP->insert ($exit->clone, 19, 19);
2131	$LINK_MAP->insert ($exit->clone, 19, 20);
2132	$LINK_MAP->insert ($exit->clone, 19, 21);
2133	$LINK_MAP->insert ($exit->clone, 20, 19);
2134	$LINK_MAP->insert ($exit->clone, 20, 21);
2135	$LINK_MAP->insert ($exit->clone, 21, 19);
2136	$LINK_MAP->insert ($exit->clone, 21, 20);
2137	$LINK_MAP->insert ($exit->clone, 21, 21);
2138
2139	$exit->destroy;
2140	});
2141
2142	$LINK_MAP->{deny_save} = 1;
2143	$LINK_MAP->{deny_reset} = 1;
2144
2145	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146	}
2147
2148	register "<global>", __PACKAGE__;
2149		2534
2150	register_command "reload" => sub {	2535	register_command "reload" => sub {
2151	my ($who, $arg) = @_;	2536	my ($who, $arg) = @_;
2152		2537
2153	if ($who->flag (FLAG_WIZ)) {	2538	if ($who->flag (FLAG_WIZ)) {
2154	$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 {
2155	reload;	2549	reload;
2156	$who->message ("end of reload.");	2550	undef $RELOAD_WATCHER;
		2551	},
		2552	);
2157	}	2553	}
2158	};	2554	};
2159		2555
2160	unshift @INC, $LIBDIR;	2556	unshift @INC, $LIBDIR;
		2557
		2558	my $bug_warning = 0;
2161		2559
2162	$TICK_WATCHER = Event->timer (	2560	$TICK_WATCHER = Event->timer (
2163	reentrant => 0,	2561	reentrant => 0,
		2562	parked => 1,
2164	prio => 0,	2563	prio => 0,
2165	at => $NEXT_TICK || $TICK,	2564	at => $NEXT_TICK || $TICK,
2166	data => WF_AUTOCANCEL,	2565	data => WF_AUTOCANCEL,
2167	cb => sub {	2566	cb => sub {
2168	unless ($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
2169	cf::server_tick; # one server iteration	2575	cf::server_tick; # one server iteration
2170	$RUNTIME += $TICK;	2576	$RUNTIME += $TICK;
2171	}
2172
2173	$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#
2174		2592
2175	# 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
2176	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177		2595
2178	$TICK_WATCHER->at ($NEXT_TICK);	2596	$TICK_WATCHER->at ($NEXT_TICK);
2179	$TICK_WATCHER->start;	2597	$TICK_WATCHER->start;
2180	},	2598	},
2181	);	2599	);
2182		2600
		2601	{
2183	IO::AIO::max_poll_time $TICK * 0.2;	2602	BDB::max_poll_time $TICK * 0.1;
2184		2603	$BDB_POLL_WATCHER = Event->io (
2185	Event->io (	2604	reentrant => 0,
2186	fd => IO::AIO::poll_fileno,	2605	fd => BDB::poll_fileno,
2187	poll => 'r',	2606	poll => 'r',
2188	prio => 5,	2607	prio => 0,
2189	data => WF_AUTOCANCEL,
2190	cb => \&IO::AIO::poll_cb,
2191	);
2192
2193	Event->timer (
2194	data => WF_AUTOCANCEL,	2608	data => WF_AUTOCANCEL,
2195	after => 0,	2609	cb => \&BDB::poll_cb,
2196	interval => 10,	2610	);
2197	cb => sub {	2611	BDB::min_parallel 8;
2198	(Coro::unblock_sub {	2612
2199	write_runtime	2613	BDB::set_sync_prepare {
2200	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 $@;
2201	})->();	2647	};
2202	},	2648	}
2203	);	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	}
2204		2665
2205	END { cf::emergency_save }	2666	END { cf::emergency_save }
2206		2667
2207	1	2668	1
2208		2669

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