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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
…		…
390	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
391		483
392	$coro	484	$coro
393	}	485	}
394		486
395	sub write_runtime {	487	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		488
398	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
400		493
401	IO::AIO::aio_utime $runtime, undef, undef;	494	=cut
402		495
403	my $guard = cf::lock_acquire "write_runtime";	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
404		498
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	499	# we seemingly have to make a local copy of the whole thing,
406	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
407		502
408	my $value = $cf::RUNTIME + 90 + 10;	503	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	504	reset_signals;
410	# 60 allows for the watchdog to kill the server.	505	&$cb
		506	}, @args;
411		507
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	508	wantarray ? @res : $res[-1]
413	and return;	509	}
414		510
415	# always fsync - this file is important	511	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		512
419	# touch it again to show we are up-to-date	513	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		514
422	close $fh	515	=item cf::db_put $family => $key => $value
423	or return;
424		516
425	aio_rename "$runtime~", $runtime	517	Stores the given C<$value> in the family. It can currently store binary
426	and return;	518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		519
428	warn "runtime file written.\n";	520	=item $db = cf::db_table "name"
429		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
430	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
431	}	636	}
432		637
433	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
434		639
435	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
455		660
456	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	663	Crossfire TRT).
459		664
460	=over 4	665	=over 4
461		666
462	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
463		668
…		…
715	";	920	";
716	die if $@;	921	die if $@;
717	}	922	}
718		923
719	our $override;	924	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		926
722	sub override {	927	sub override {
723	$override = 1;	928	$override = 1;
724	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
725	}	930	}
726		931
727	sub do_invoke {	932	sub do_invoke {
728	my $event = shift;	933	my $event = shift;
729	my $callbacks = shift;	934	my $callbacks = shift;
730		935
731	@invoke_results = ();	936	@INVOKE_RESULTS = ();
732		937
733	local $override;	938	local $override;
734		939
735	for (@$callbacks) {	940	for (@$callbacks) {
736	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
753		958
754	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
755		960
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		964
760	=back	965	=back
761		966
762	=cut	967	=cut
763		968
764	#############################################################################	969	#############################################################################
765	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
766		982
767	sub reattach {	983	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	985	my ($obj) = @_;
770		986
…		…
817	sub object_freezer_save {	1033	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
819		1035
820	sync_job {	1036	sync_job {
821	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
824		1041
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1064	}
848	} else {	1065	} else {
849	aio_unlink $filename;	1066	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
851	}	1068	}
852	}	1069	};
853	}	1070	}
854		1071
855	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
857		1074
…		…
869	or return;	1086	or return;
870		1087
871	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
873	or return;	1090	or return;
		1091
874	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1093	}
876		1094
		1095	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1097	$decname, length $data, scalar @{$av || []};
		1098
879	return ($data, $av);	1099	($data, $av)
880	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
881		1107
882	#############################################################################	1108	#############################################################################
883	# command handling &c	1109	# command handling &c
884		1110
885	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1125	}
900		1126
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1128
903	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
904		1134
905	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
906	called.	1136	called.
907		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
908	=cut	1149	=cut
909		1150
910	sub register_extcmd {	1151	sub register_extcmd {
911	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
912		1153
913	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
914	}	1161	}
915		1162
916	cf::player->attach (	1163	cf::player->attach (
917	on_command => sub {	1164	on_command => sub {
918	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1174	cf::override;
928	},	1175	},
929	on_extcmd => sub {	1176	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
931		1178
932	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1180
934	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
940	} else {	1196	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1198	}
943		1199
944	cf::override;	1200	cf::override;
…		…
1018	};	1274	};
1019	}	1275	}
1020		1276
1021	#############################################################################	1277	#############################################################################
1022		1278
		1279	=back
		1280
1023	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
1024		1282
1025	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
1026		1284
1027	=cut	1285	=cut
…		…
1031	use Coro::AIO;	1289	use Coro::AIO;
1032		1290
1033	=head3 cf::player	1291	=head3 cf::player
1034		1292
1035	=over 4	1293	=over 4
		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
1036		1308
1037	=item cf::player::find $login	1309	=item cf::player::find $login
1038		1310
1039	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
1040		1312
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1352
1081	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1084	}	1361	}
1085	}	1362	}
1086	}	1363	}
1087		1364
…		…
1097		1374
1098	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1100		1377
1101	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1102	Coro::cede;	1379	cf::cede_to_tick;
1103	}	1380	}
1104		1381
1105	sub new($) {	1382	sub new($) {
1106	my ($login) = @_;	1383	my ($login) = @_;
1107		1384
…		…
1111	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1112		1389
1113	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1114		1391
1115	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1116	}	1403	}
1117		1404
1118	=item $pl->quit_character	1405	=item $pl->quit_character
1119		1406
1120	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1462	or return [];
1176		1463
1177	my @logins;	1464	my @logins;
1178		1465
1179	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1183		1475
1184	utf8::decode $login;	1476	utf8::decode $login;
1185	push @logins, $login;	1477	push @logins, $login;
1186	}	1478	}
1187		1479
…		…
1214	}	1506	}
1215		1507
1216	\@paths	1508	\@paths
1217	}	1509	}
1218		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1219	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1220		1563
1221	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1222		1565
1223	=cut	1566	=cut
1224		1567
1225	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1227		1570
1228	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1572	}
1232		1573
1233	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1234		1575
1235	Sends an ext event to the client.	1576	Sends an ext event to the client.
1236		1577
1237	=cut	1578	=cut
1238		1579
1239	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1241		1582
1242	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1243	}	1584	}
1244		1585
1245	=head3 cf::region	1586	=head3 cf::region
1246		1587
1247	=over 4	1588	=over 4
…		…
1250		1591
1251	package cf::region;	1592	package cf::region;
1252		1593
1253	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1254		1595
1255	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1256		1597
1257	=cut	1598	=cut
1258		1599
1259	sub find_by_path($) {	1600	sub find_by_path($) {
1260	my ($path) = @_;	1601	my ($path) = @_;
1261		1602
1262	my ($match, $specificity);	1603	my ($match, $specificity);
1263		1604
1264	for my $region (list) {	1605	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1268	}	1609	}
1269	}	1610	}
1270		1611
…		…
1390	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1391	return $self;	1732	return $self;
1392	}	1733	}
1393	}	1734	}
1394		1735
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1737	()
1397	}	1738	}
1398		1739
1399	sub init {	1740	sub init {
1400	my ($self) = @_;	1741	my ($self) = @_;
…		…
1463		1804
1464	sub load_header_from($) {	1805	sub load_header_from($) {
1465	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1466		1807
1467	utf8::encode $path;	1808	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1473		1817
1474	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1475		1819
1476	1	1820	1
1477	}	1821	}
…		…
1531	sub find {	1875	sub find {
1532	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1533		1877
1534	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1535		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1537		1882
1538	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1540	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1541	or return;	1888	or return;
1542		1889
1543	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1544		1891
…		…
1546	or return;	1893	or return;
1547		1894
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1551	$map->reset;	1900	$map->reset;
1552	undef $guard;
1553	return find $path;	1901	return find $path;
1554	}	1902	}
1555		1903
1556	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1557	}	1905	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1567		1915
1568	my $path = $self->{path};	1916	my $path = $self->{path};
1569		1917
1570	{	1918	{
1571	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1572		1920
		1921	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		1923
1575	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1576		1925
1577	$self->alloc;	1926	$self->alloc;
1578		1927
1579	$self->pre_load;	1928	$self->pre_load;
1580	Coro::cede;	1929	cf::cede_to_tick;
1581		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	1933	$self->_load_objects ($f)
1583	or return;	1934	or return;
1584		1935
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	1937	if delete $self->{load_original};
1587		1938
1588	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	1940	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	1943	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1593	}	1947	}
1594	}	1948	}
1595		1949
1596	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1597	# now do the right thing for maps	1953	# now do the right thing for maps
1598	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	1956	unless $self->difficulty;
1601	Coro::cede;	1957	cf::cede_to_tick;
1602		1958
1603	unless ($self->{deny_activate}) {	1959	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	1960	$self->decay_objects;
1605	$self->fix_auto_apply;	1961	$self->fix_auto_apply;
1606	$self->update_buttons;	1962	$self->update_buttons;
1607	Coro::cede;	1963	cf::cede_to_tick;
1608	$self->set_darkness_map;	1964	$self->set_darkness_map;
1609	Coro::cede;	1965	cf::cede_to_tick;
1610	$self->activate;	1966	$self->activate;
1611	}	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1612		1971
1613	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	1973	}
1615		1974
1616	$self->post_load;	1975	$self->post_load;
…		…
1627		1986
1628	$self	1987	$self
1629	}	1988	}
1630		1989
1631	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	1991	sub load_neighbours {
1633	my ($map) = @_;	1992	my ($map) = @_;
1634		1993
1635	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1636		1995
1637	for (0 .. 3) {	1996	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1639	or next;	1998	or next;
1640	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1641	or next;	2000	or next;
1642	$neigh->load;	2001	$neigh->load;
1643		2002
		2003	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2006	}
1647		2007
1648	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1650	or next;	2011	or next;
1651	$neigh->load;	2012	$neigh->load;
1652	}	2013	}
1653	}	2014	}
1654		2015
…		…
1659	}	2020	}
1660		2021
1661	sub do_load_sync {	2022	sub do_load_sync {
1662	my ($map) = @_;	2023	my ($map) = @_;
1663		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1664	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1665	}	2029	}
1666		2030
1667	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1669		2033
1670	sub find_async {	2034	sub find_async {
1671	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1672		2036
1673	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1674		2038
1675	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2041	}
1678		2042
1679	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1680	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1681	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2050	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2051	$map->load if $v;
		2052	}
1686		2053
1687	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1688	}	2055	}
1689	}	2056	}
1690	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1691	};	2058	};
1692	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2062	}
1696		2063
1697	sub save {	2064	sub save {
1698	my ($self) = @_;	2065	my ($self) = @_;
1699		2066
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2068
1702	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1703		2070
1704	return unless $self->dirty;	2071	return unless $self->dirty;
1705		2072
…		…
1711	return if $self->{deny_save};	2078	return if $self->{deny_save};
1712		2079
1713	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1714		2081
1715	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1717	};	2085	};
1718		2086
1719	if ($uniq) {	2087	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2096	my ($self) = @_;
1729		2097
1730	# save first because save cedes	2098	# save first because save cedes
1731	$self->save;	2099	$self->save;
1732		2100
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2102
1735	return if $self->players;	2103	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2105	return if $self->{deny_save};
1738		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2111	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2112	}
1742		2113
1743	sub reset_at {	2114	sub reset_at {
1744	my ($self) = @_;	2115	my ($self) = @_;
1745		2116
…		…
1777	if $uniq;	2148	if $uniq;
1778	}	2149	}
1779		2150
1780	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1781		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2155	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2156
1786	$self->unlink_save;	2157	$self->unlink_save;
1787	$self->destroy;	2158	$self->destroy;
1788	}	2159	}
1789		2160
1790	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1791		2162
1792	sub nuke {	2163	sub nuke {
1793	my ($self) = @_;	2164	my ($self) = @_;
1794		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1795	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1796		2170
1797	$self->unlink_save;	2171	$self->unlink_save;
1798		2172
1799	bless $self, "cf::map";	2173	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2178
1805	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1806		2181
1807	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
1808	}	2183	}
1809		2184
1810	=item $maps = cf::map::tmp_maps	2185	=item $maps = cf::map::tmp_maps
…		…
1886		2261
1887	sub inv_recursive {	2262	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
1889	}	2264	}
1890		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
		2292	}
		2293
1891	package cf;	2294	package cf;
1892		2295
1893	=back	2296	=back
1894		2297
1895	=head3 cf::object::player	2298	=head3 cf::object::player
…		…
1912		2315
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2317
1915	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1917	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1920	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1921	}	2343	}
1922		2344
1923	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1924		2346
1925	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
2007		2429
2008	$map->load;	2430	$map->load;
2009	$map->load_diag;	2431	$map->load_neighbours;
2010		2432
2011	return unless $self->contr->active;	2433	return unless $self->contr->active;
2012	$self->activate_recursive;	2434	$self->activate_recursive;
2013		2435
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
2016	}	2438	}
2017		2439
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2441
2020	Moves the player to the given map-path and coordinates by first freezing	2442	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2443	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2444	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2445	the new (success) or old (failed) map position. In either case, $done will
		2446	be called at the end of this process.
2024		2447
2025	=cut	2448	=cut
2026		2449
2027	our $GOTOGEN;	2450	our $GOTOGEN;
2028		2451
2029	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2454
2032	# do generation counting so two concurrent goto's will be executed in-order	2455	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2457
2035	$self->enter_link;	2458	$self->enter_link;
2036		2459
2037	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
2038	my $map = eval {	2482	my $map = eval {
2039	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
2040		2484
2041	if ($map) {	2485	if ($map) {
2042	$map = $map->customise_for ($self);	2486	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2487	$map = $check->($map) if $check && $map;
2044	} else {	2488	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2490	}
2047		2491
2048	$map	2492	$map
2049	};	2493	};
2050		2494
…		…
2055		2499
2056	if ($gen == $self->{_goto_generation}) {	2500	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2501	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
2059	}	2503	}
		2504
		2505	$done->() if $done;
2060	})->prio (1);	2506	})->prio (1);
2061	}	2507	}
2062		2508
2063	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
2064		2510
…		…
2133	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2135		2581
2136	$self->enter_link;	2582	$self->enter_link;
2137		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2138	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2139	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2592	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2142		2594
2143	1;	2595	1;
…		…
2169		2621
2170	utf8::encode $text;	2622	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2624	}
2173		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2174	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2175		2720
2176	Sends an exti event to the client.	2721	Sends an ext event to the client.
2177		2722
2178	=cut	2723	=cut
2179		2724
2180	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2182		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2185	}	2752	}
2186		2753
2187	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2188		2755
2189	Queues a query to the client, calling the given callback with	2756	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2759
2193	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2761	become reliable at some point in the future.
2195		2762
2196	=cut	2763	=cut
2197		2764
2198	sub cf::client::query {	2765	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2774	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2776
2210	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2212	}	2781	}
2213		2782
2214	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2215	on_reply => sub {	2789	on_reply => sub {
2216	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2217		2791
2218	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2219	# get handled first	2793	# get handled first
…		…
2231	} else {	2805	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2807	}
2234	}	2808	}
2235	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2236	);	2836	);
2237		2837
2238	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2239		2839
2240	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2283		2883
2284	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2285		2885
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2287		2891
2288	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2289		2893
2290	=pod	2894	=pod
2291		2895
2292	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2293		2897
2294	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2295	cf::object::player player	2902	cf::object::player
2296	cf::player peaceful	2903	player
2297	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2298		2910
2299	=cut	2911	=cut
2300		2912
2301	for (	2913	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2303	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2306	) {	2920	) {
2307	no strict 'refs';	2921	no strict 'refs';
…		…
2378	=back	2992	=back
2379		2993
2380	=cut	2994	=cut
2381		2995
2382	#############################################################################	2996	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	2997	# the server's init and main functions
2556		2998
2557	sub load_facedata($) {	2999	sub load_facedata($) {
2558	my ($path) = @_;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3007
2560	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2561		3009
2562	my $facedata;	3010	my $facedata;
2563	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2567		3015
2568	$facedata->{version} == 2	3016	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2571	{	3026	{
2572	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2573		3028
2574	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3035
		3036	cf::cede_to_tick;
2580	}	3037	}
2581		3038
2582	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3040	next unless $info->{smooth};
2584	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2585	or next;	3042	or next;
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3046	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3048	}
2591	Coro::cede;	3049
		3050	cf::cede_to_tick;
2592	}	3051	}
2593	}	3052	}
2594		3053
2595	{	3054	{
2596	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2597		3056
2598	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3059	cf::cede_to_tick;
2601	}	3060	}
2602		3061
2603	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2604	}	3063	}
2605		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2606	1	3114	1
2607	}	3115	}
2608		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2609	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2610	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
2612	}	3137	}
2613		3138
2614	sub reload_facedata {	3139	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2617	}	3142	}
2618		3143
2619	sub reload_archetypes {	3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3150	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3151	or die "unable to load archetypes\n";
2622	}	3152	}
2623		3153
2624	sub reload_treasures {	3154	sub reload_treasures {
…		…
2640		3170
2641	sub init {	3171	sub init {
2642	reload_resources;	3172	reload_resources;
2643	}	3173	}
2644		3174
2645	sub cfg_load {	3175	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3177	or return;
2648		3178
2649	local $/;	3179	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2666	sub main {	3196	sub main {
2667	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2671	Event::one_event;	3202	Event::one_event;
2672	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2673	};	3204	};
2674		3205
2675	cfg_load;	3206	reload_config;
2676	db_init;	3207	db_init;
2677	load_extensions;	3208	load_extensions;
2678		3209
2679	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2680	Event::loop;	3211	Event::loop;
…		…
2696	},	3227	},
2697	);	3228	);
2698	}	3229	}
2699	}	3230	}
2700		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2701	sub emergency_save() {	3270	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2703		3272
2704	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2705		3274
…		…
2780	%EXT_CORO = ();	3349	%EXT_CORO = ();
2781		3350
2782	warn "removing commands";	3351	warn "removing commands";
2783	%COMMAND = ();	3352	%COMMAND = ();
2784		3353
2785	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2787		3357
2788	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2791		3361
…		…
2834	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2835	require cf;	3405	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3407
2838	warn "loading config and database again";	3408	warn "loading config and database again";
2839	cf::cfg_load;	3409	cf::reload_config;
2840		3410
2841	warn "loading extensions";	3411	warn "loading extensions";
2842	cf::load_extensions;	3412	cf::load_extensions;
2843		3413
2844	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2880	register_command "reload" => sub {	3450	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2882		3452
2883	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3457	reload_perl;
		3458	};
2886	}	3459	}
2887	};	3460	};
2888		3461
2889	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2890		3463
…		…
2909	my $signal = new Coro::Signal;	3482	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3483	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3484	$signal->wait;
2912	}	3485	}
2913		3486
2914	my $min = 1e6;#d#
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,	3488	reentrant => 0,
2918	parked => 1,	3489	parked => 1,
2919	prio => 0,	3490	prio => 0,
2920	at => $NEXT_TICK || $TICK,	3491	at => $NEXT_TICK || $TICK,
…		…
2928		3499
2929	$NOW = $tick_start = Event::time;	3500	$NOW = $tick_start = Event::time;
2930		3501
2931	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
2932		3503
2933	0 && sync_job {#d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};
2955
2956	$RUNTIME += $TICK;	3504	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2958		3506
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2962	write_runtime	3511	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2964	};	3513	};
2965	}	3514	}
2966		3515
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3517	$sig->send;
2972	}	3518	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3519	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3520	$sig->send;
…		…
2984		3530
2985	$LOAD = ($NOW - $tick_start) / $TICK;	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3533
2988	_post_tick;	3534	_post_tick;
2989
2990
2991	},	3535	},
2992	);	3536	);
2993		3537
2994	{	3538	{
		3539	BDB::min_parallel 8;
2995	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2996	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2997	reentrant => 0,	3542	reentrant => 0,
2998	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2999	poll => 'r',	3544	poll => 'r',
3000	prio => 0,	3545	prio => 0,
3001	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
3003	);	3548	);
3004	BDB::min_parallel 8;
3005		3549
3006	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
3007	my $status;	3551	my $status;
3008	my $current = $Coro::current;	3552	my $current = $Coro::current;
3009	(	3553	(
…		…
3018	)	3562	)
3019	};	3563	};
3020		3564
3021	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3571
3024	cf::sync_job {	3572	cf::sync_job {
3025	eval {	3573	eval {
3026	BDB::db_env_open	3574	BDB::db_env_open
3027	$DB_ENV,	3575	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3579	0666;
3032		3580
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3582	};
3038		3583
3039	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3585	};
3041	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
3042	}	3618	}
3043		3619
3044	{	3620	{
3045	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
3046		3622
…		…
3049	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
3050	reentrant => 0,	3626	reentrant => 0,
3051	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
3053	poll => 'r',	3629	poll => 'r',
3054	prio => 6,	3630	prio => 0,
3055	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
3056	);	3632	);
3057	}	3633	}
3058		3634
3059	my $_log_backtrace;	3635	my $_log_backtrace;
…		…
3065		3641
3066	# limit the # of concurrent backtraces	3642	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3643	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3644	++$_log_backtrace;
3069	async {	3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
3070	my @bt = fork_call {	3648	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3649	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3652	or die "addr2line: $!";

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