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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 1.376 by root, Mon Oct 1 00:44:44 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.
…		…
346		435
347	my $busy = 1;	436	my $busy = 1;
348	my @res;	437	my @res;
349		438
350	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	441	@res = eval { $job->() };
352	warn $@ if $@;	442	warn $@ if $@;
353	undef $busy;	443	undef $busy;
354	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
355		445
…		…
390	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
391		481
392	$coro	482	$coro
393	}	483	}
394		484
395	sub write_runtime {	485	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		486
398	# first touch the runtime file to show we are still running:	487	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
400		491
401	IO::AIO::aio_utime $runtime, undef, undef;	492	=cut
402		493
403	my $guard = cf::lock_acquire "write_runtime";	494	sub fork_call(&@) {
		495	my ($cb, @args) = @_;
404		496
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	497	# we seemingly have to make a local copy of the whole thing,
406	or return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
407		500
408	my $value = $cf::RUNTIME + 90 + 10;	501	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	502	reset_signals;
410	# 60 allows for the watchdog to kill the server.	503	&$cb
		504	}, @args;
411		505
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	506	wantarray ? @res : $res[-1]
413	and return;	507	}
414		508
415	# always fsync - this file is important	509	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		510
419	# touch it again to show we are up-to-date	511	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		512
422	close $fh	513	=item cf::db_put $family => $key => $value
423	or return;
424		514
425	aio_rename "$runtime~", $runtime	515	Stores the given C<$value> in the family. It can currently store binary
426	and return;	516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		517
428	warn "runtime file written.\n";	518	=item $db = cf::db_table "name"
429		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
430	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
431	}	634	}
432		635
433	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
434		637
435	Log a datalog packet of the given type with the given key-value pairs.	638	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")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
455		658
456	In the following description, CLASS can be any of C<global>, C<object>	659	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	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	661	Crossfire TRT).
459		662
460	=over 4	663	=over 4
461		664
462	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
463		666
…		…
715	";	918	";
716	die if $@;	919	die if $@;
717	}	920	}
718		921
719	our $override;	922	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		924
722	sub override {	925	sub override {
723	$override = 1;	926	$override = 1;
724	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
725	}	928	}
726		929
727	sub do_invoke {	930	sub do_invoke {
728	my $event = shift;	931	my $event = shift;
729	my $callbacks = shift;	932	my $callbacks = shift;
730		933
731	@invoke_results = ();	934	@INVOKE_RESULTS = ();
732		935
733	local $override;	936	local $override;
734		937
735	for (@$callbacks) {	938	for (@$callbacks) {
736	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
753		956
754	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
755		958
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	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	960	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		962
760	=back	963	=back
761		964
762	=cut	965	=cut
763		966
764	#############################################################################	967	#############################################################################
765	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
766		980
767	sub reattach {	981	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	983	my ($obj) = @_;
770		984
…		…
817	sub object_freezer_save {	1031	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
819		1033
820	sync_job {	1034	sync_job {
821	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
824		1039
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1062	}
848	} else {	1063	} else {
849	aio_unlink $filename;	1064	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
851	}	1066	}
852	}	1067	};
853	}	1068	}
854		1069
855	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
857		1072
…		…
869	or return;	1084	or return;
870		1085
871	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
873	or return;	1088	or return;
		1089
874	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1091	}
876		1092
		1093	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1095	$decname, length $data, scalar @{$av || []};
		1096
879	return ($data, $av);	1097	($data, $av)
880	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
881		1105
882	#############################################################################	1106	#############################################################################
883	# command handling &c	1107	# command handling &c
884		1108
885	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1123	}
900		1124
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1126
903	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
904		1132
905	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
906	called.	1134	called.
907		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
908	=cut	1147	=cut
909		1148
910	sub register_extcmd {	1149	sub register_extcmd {
911	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
912		1151
913	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
914	}	1159	}
915		1160
916	cf::player->attach (	1161	cf::player->attach (
917	on_command => sub {	1162	on_command => sub {
918	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1172	cf::override;
928	},	1173	},
929	on_extcmd => sub {	1174	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
931		1176
932	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1178
934	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
940	} else {	1194	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1196	}
943		1197
944	cf::override;	1198	cf::override;
…		…
1018	};	1272	};
1019	}	1273	}
1020		1274
1021	#############################################################################	1275	#############################################################################
1022		1276
		1277	=back
		1278
1023	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
1024		1280
1025	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
1026		1282
1027	=cut	1283	=cut
…		…
1031	use Coro::AIO;	1287	use Coro::AIO;
1032		1288
1033	=head3 cf::player	1289	=head3 cf::player
1034		1290
1035	=over 4	1291	=over 4
		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
1036		1306
1037	=item cf::player::find $login	1307	=item cf::player::find $login
1038		1308
1039	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1040		1310
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1350
1081	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1084	}	1359	}
1085	}	1360	}
1086	}	1361	}
1087		1362
…		…
1097		1372
1098	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1100		1375
1101	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1102	Coro::cede;	1377	cf::cede_to_tick;
1103	}	1378	}
1104		1379
1105	sub new($) {	1380	sub new($) {
1106	my ($login) = @_;	1381	my ($login) = @_;
1107		1382
…		…
1111	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1112		1387
1113	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1114		1389
1115	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1116	}	1401	}
1117		1402
1118	=item $pl->quit_character	1403	=item $pl->quit_character
1119		1404
1120	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1460	or return [];
1176		1461
1177	my @logins;	1462	my @logins;
1178		1463
1179	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1183		1473
1184	utf8::decode $login;	1474	utf8::decode $login;
1185	push @logins, $login;	1475	push @logins, $login;
1186	}	1476	}
1187		1477
…		…
1214	}	1504	}
1215		1505
1216	\@paths	1506	\@paths
1217	}	1507	}
1218		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1219	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1220		1561
1221	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1222		1563
1223	=cut	1564	=cut
1224		1565
1225	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1227		1568
1228	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1570	}
1232		1571
1233	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1234		1573
1235	Sends an ext event to the client.	1574	Sends an ext event to the client.
1236		1575
1237	=cut	1576	=cut
1238		1577
1239	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1241		1580
1242	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1243	}	1582	}
1244		1583
1245	=head3 cf::region	1584	=head3 cf::region
1246		1585
1247	=over 4	1586	=over 4
…		…
1250		1589
1251	package cf::region;	1590	package cf::region;
1252		1591
1253	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1254		1593
1255	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1256		1595
1257	=cut	1596	=cut
1258		1597
1259	sub find_by_path($) {	1598	sub find_by_path($) {
1260	my ($path) = @_;	1599	my ($path) = @_;
1261		1600
1262	my ($match, $specificity);	1601	my ($match, $specificity);
1263		1602
1264	for my $region (list) {	1603	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1268	}	1607	}
1269	}	1608	}
1270		1609
…		…
1390	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1391	return $self;	1730	return $self;
1392	}	1731	}
1393	}	1732	}
1394		1733
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1735	()
1397	}	1736	}
1398		1737
1399	sub init {	1738	sub init {
1400	my ($self) = @_;	1739	my ($self) = @_;
…		…
1463		1802
1464	sub load_header_from($) {	1803	sub load_header_from($) {
1465	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1466		1805
1467	utf8::encode $path;	1806	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1473		1815
1474	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1475		1817
1476	1	1818	1
1477	}	1819	}
…		…
1531	sub find {	1873	sub find {
1532	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1533		1875
1534	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1535		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1537		1880
1538	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1540	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1541	or return;	1886	or return;
1542		1887
1543	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1544		1889
…		…
1546	or return;	1891	or return;
1547		1892
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1551	$map->reset;	1898	$map->reset;
1552	undef $guard;
1553	return find $path;	1899	return find $path;
1554	}	1900	}
1555		1901
1556	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1557	}	1903	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1567		1913
1568	my $path = $self->{path};	1914	my $path = $self->{path};
1569		1915
1570	{	1916	{
1571	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1572		1918
		1919	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		1921
1575	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1576		1923
1577	$self->alloc;	1924	$self->alloc;
1578		1925
1579	$self->pre_load;	1926	$self->pre_load;
1580	Coro::cede;	1927	cf::cede_to_tick;
1581		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1583	or return;	1932	or return;
1584		1933
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	1935	if delete $self->{load_original};
1587		1936
1588	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	1938	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	1941	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1593	}	1945	}
1594	}	1946	}
1595		1947
1596	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1597	# now do the right thing for maps	1951	# now do the right thing for maps
1598	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	1954	unless $self->difficulty;
1601	Coro::cede;	1955	cf::cede_to_tick;
1602		1956
1603	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	1958	$self->decay_objects;
1605	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1606	$self->update_buttons;	1960	$self->update_buttons;
1607	Coro::cede;	1961	cf::cede_to_tick;
1608	$self->set_darkness_map;	1962	$self->set_darkness_map;
1609	Coro::cede;	1963	cf::cede_to_tick;
1610	$self->activate;	1964	$self->activate;
1611	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1612		1969
1613	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	1971	}
1615		1972
1616	$self->post_load;	1973	$self->post_load;
…		…
1627		1984
1628	$self	1985	$self
1629	}	1986	}
1630		1987
1631	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	1989	sub load_neighbours {
1633	my ($map) = @_;	1990	my ($map) = @_;
1634		1991
1635	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1636		1993
1637	for (0 .. 3) {	1994	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1639	or next;	1996	or next;
1640	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1641	or next;	1998	or next;
1642	$neigh->load;	1999	$neigh->load;
1643		2000
		2001	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2004	}
1647		2005
1648	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1650	or next;	2009	or next;
1651	$neigh->load;	2010	$neigh->load;
1652	}	2011	}
1653	}	2012	}
1654		2013
…		…
1659	}	2018	}
1660		2019
1661	sub do_load_sync {	2020	sub do_load_sync {
1662	my ($map) = @_;	2021	my ($map) = @_;
1663		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1664	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1665	}	2027	}
1666		2028
1667	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1669		2031
1670	sub find_async {	2032	sub find_async {
1671	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1672		2034
1673	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1674		2036
1675	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2039	}
1678		2040
1679	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1680	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1681	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2048	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2049	$map->load if $v;
		2050	}
1686		2051
1687	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1688	}	2053	}
1689	}	2054	}
1690	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1691	};	2056	};
1692	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2060	}
1696		2061
1697	sub save {	2062	sub save {
1698	my ($self) = @_;	2063	my ($self) = @_;
1699		2064
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2066
1702	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1703		2068
1704	return unless $self->dirty;	2069	return unless $self->dirty;
1705		2070
…		…
1711	return if $self->{deny_save};	2076	return if $self->{deny_save};
1712		2077
1713	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1714		2079
1715	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1717	};	2083	};
1718		2084
1719	if ($uniq) {	2085	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2094	my ($self) = @_;
1729		2095
1730	# save first because save cedes	2096	# save first because save cedes
1731	$self->save;	2097	$self->save;
1732		2098
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2100
1735	return if $self->players;	2101	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2103	return if $self->{deny_save};
1738		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2109	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2110	}
1742		2111
1743	sub reset_at {	2112	sub reset_at {
1744	my ($self) = @_;	2113	my ($self) = @_;
1745		2114
…		…
1777	if $uniq;	2146	if $uniq;
1778	}	2147	}
1779		2148
1780	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1781		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2153	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2154
1786	$self->unlink_save;	2155	$self->unlink_save;
1787	$self->destroy;	2156	$self->destroy;
1788	}	2157	}
1789		2158
1790	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1791		2160
1792	sub nuke {	2161	sub nuke {
1793	my ($self) = @_;	2162	my ($self) = @_;
1794		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1795	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1796		2168
1797	$self->unlink_save;	2169	$self->unlink_save;
1798		2170
1799	bless $self, "cf::map";	2171	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2176
1805	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1806		2179
1807	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
1808	}	2181	}
1809		2182
1810	=item $maps = cf::map::tmp_maps	2183	=item $maps = cf::map::tmp_maps
…		…
1886		2259
1887	sub inv_recursive {	2260	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
1889	}	2262	}
1890		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
		2293	}
		2294
1891	package cf;	2295	package cf;
1892		2296
1893	=back	2297	=back
1894		2298
1895	=head3 cf::object::player	2299	=head3 cf::object::player
…		…
1912		2316
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2318
1915	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1917	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1920	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1921	}	2344	}
1922		2345
1923	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1924		2347
1925	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
2007		2430
2008	$map->load;	2431	$map->load;
2009	$map->load_diag;	2432	$map->load_neighbours;
2010		2433
2011	return unless $self->contr->active;	2434	return unless $self->contr->active;
2012	$self->activate_recursive;	2435	$self->activate_recursive;
2013		2436
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
2016	}	2439	}
2017		2440
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2442
2020	Moves the player to the given map-path and coordinates by first freezing	2443	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	2444	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	2445	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2446	the new (success) or old (failed) map position. In either case, $done will
		2447	be called at the end of this process.
2024		2448
2025	=cut	2449	=cut
2026		2450
2027	our $GOTOGEN;	2451	our $GOTOGEN;
2028		2452
2029	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2455
2032	# do generation counting so two concurrent goto's will be executed in-order	2456	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2458
2035	$self->enter_link;	2459	$self->enter_link;
2036		2460
2037	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
2038	my $map = eval {	2483	my $map = eval {
2039	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
2040		2485
2041	if ($map) {	2486	if ($map) {
2042	$map = $map->customise_for ($self);	2487	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2488	$map = $check->($map) if $check && $map;
2044	} else {	2489	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2491	}
2047		2492
2048	$map	2493	$map
2049	};	2494	};
2050		2495
…		…
2055		2500
2056	if ($gen == $self->{_goto_generation}) {	2501	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2502	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
2059	}	2504	}
		2505
		2506	$done->() if $done;
2060	})->prio (1);	2507	})->prio (1);
2061	}	2508	}
2062		2509
2063	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
2064		2511
…		…
2133	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
2135		2582
2136	$self->enter_link;	2583	$self->enter_link;
2137		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
2138	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
2139	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2593	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
2142		2595
2143	1;	2596	1;
…		…
2169		2622
2170	utf8::encode $text;	2623	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2625	}
2173		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
2174	=item $client->ext_event ($type, %msg)	2720	=item $client->ext_msg ($type, @msg)
2175		2721
2176	Sends an exti event to the client.	2722	Sends an ext event to the client.
2177		2723
2178	=cut	2724	=cut
2179		2725
2180	sub cf::client::ext_event($$%) {	2726	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2727	my ($self, $type, @msg) = @_;
2182		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2732	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
2185	}	2753	}
2186		2754
2187	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2188		2756
2189	Queues a query to the client, calling the given callback with	2757	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>,	2758	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>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2760
2193	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2762	become reliable at some point in the future.
2195		2763
2196	=cut	2764	=cut
2197		2765
2198	sub cf::client::query {	2766	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2775	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2777
2210	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2212	}	2782	}
2213		2783
2214	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2215	on_reply => sub {	2790	on_reply => sub {
2216	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2217		2792
2218	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2219	# get handled first	2794	# get handled first
…		…
2231	} else {	2806	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2808	}
2234	}	2809	}
2235	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2236	);	2837	);
2237		2838
2238	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2239		2840
2240	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2283		2884
2284	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2285		2886
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2287		2892
2288	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2289		2894
2290	=pod	2895	=pod
2291		2896
2292	The following functions and methods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2293		2898
2294	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2295	cf::object::player player	2903	cf::object::player
2296	cf::player peaceful	2904	player
2297	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2298		2911
2299	=cut	2912	=cut
2300		2913
2301	for (	2914	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2303	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2306	) {	2921	) {
2307	no strict 'refs';	2922	no strict 'refs';
…		…
2378	=back	2993	=back
2379		2994
2380	=cut	2995	=cut
2381		2996
2382	#############################################################################	2997	#############################################################################
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 $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	2998	# the server's init and main functions
2556		2999
2557	sub load_facedata($) {	3000	sub load_facedata($) {
2558	my ($path) = @_;	3001	my ($path) = @_;
		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3008
2560	warn "loading facedata from $path\n";	3009	warn "loading facedata from $path\n";
2561		3010
2562	my $facedata;	3011	my $facedata;
2563	0 < aio_load $path, $facedata	3012	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3015	$facedata = Coro::Storable::thaw $facedata;
2567		3016
2568	$facedata->{version} == 2	3017	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
2571	{	3027	{
2572	my $faces = $facedata->{faceinfo};	3028	my $faces = $facedata->{faceinfo};
2573		3029
2574	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3036
		3037	cf::cede_to_tick;
2580	}	3038	}
2581		3039
2582	while (my ($face, $info) = each %$faces) {	3040	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3041	next unless $info->{smooth};
2584	my $idx = cf::face::find $face	3042	my $idx = cf::face::find $face
2585	or next;	3043	or next;
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3047	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3049	}
2591	Coro::cede;	3050
		3051	cf::cede_to_tick;
2592	}	3052	}
2593	}	3053	}
2594		3054
2595	{	3055	{
2596	my $anims = $facedata->{animinfo};	3056	my $anims = $facedata->{animinfo};
2597		3057
2598	while (my ($anim, $info) = each %$anims) {	3058	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3060	cf::cede_to_tick;
2601	}	3061	}
2602		3062
2603	cf::anim::invalidate_all; # d'oh	3063	cf::anim::invalidate_all; # d'oh
2604	}	3064	}
2605		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
2606	1	3115	1
2607	}	3116	}
2608		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
2609	sub reload_regions {	3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
2610	load_resource_file "$MAPDIR/regions"	3131	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
2612	}	3138	}
2613		3139
2614	sub reload_facedata {	3140	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3141	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3142	or die "unable to load facedata\n";
2617	}	3143	}
2618		3144
2619	sub reload_archetypes {	3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3151	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3152	or die "unable to load archetypes\n";
2622	}	3153	}
2623		3154
2624	sub reload_treasures {	3155	sub reload_treasures {
…		…
2640		3171
2641	sub init {	3172	sub init {
2642	reload_resources;	3173	reload_resources;
2643	}	3174	}
2644		3175
2645	sub cfg_load {	3176	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3178	or return;
2648		3179
2649	local $/;	3180	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
…		…
2666	sub main {	3197	sub main {
2667	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2671	Event::one_event;	3203	Event::one_event;
2672	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2673	};	3205	};
2674		3206
2675	cfg_load;	3207	reload_config;
2676	db_init;	3208	db_init;
2677	load_extensions;	3209	load_extensions;
2678		3210
2679	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2680	Event::loop;	3212	Event::loop;
…		…
2696	},	3228	},
2697	);	3229	);
2698	}	3230	}
2699	}	3231	}
2700		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2701	sub emergency_save() {	3271	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2703		3273
2704	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2705		3275
…		…
2780	%EXT_CORO = ();	3350	%EXT_CORO = ();
2781		3351
2782	warn "removing commands";	3352	warn "removing commands";
2783	%COMMAND = ();	3353	%COMMAND = ();
2784		3354
2785	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2787		3358
2788	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2791		3362
…		…
2834	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2835	require cf;	3406	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3408
2838	warn "loading config and database again";	3409	warn "loading config and database again";
2839	cf::cfg_load;	3410	cf::reload_config;
2840		3411
2841	warn "loading extensions";	3412	warn "loading extensions";
2842	cf::load_extensions;	3413	cf::load_extensions;
2843		3414
2844	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2880	register_command "reload" => sub {	3451	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2882		3453
2883	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
		3456	async {
		3457	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3458	reload_perl;
		3459	};
2886	}	3460	}
2887	};	3461	};
2888		3462
2889	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2890		3464
…		…
2909	my $signal = new Coro::Signal;	3483	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3484	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3485	$signal->wait;
2912	}	3486	}
2913		3487
2914	my $min = 1e6;#d#
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,	3489	reentrant => 0,
2918	parked => 1,	3490	parked => 1,
2919	prio => 0,	3491	prio => 0,
2920	at => $NEXT_TICK || $TICK,	3492	at => $NEXT_TICK || $TICK,
…		…
2928		3500
2929	$NOW = $tick_start = Event::time;	3501	$NOW = $tick_start = Event::time;
2930		3502
2931	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
2932		3504
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;	3505	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2958		3507
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2962	write_runtime	3512	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2964	};	3514	};
2965	}	3515	}
2966		3516
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3518	$sig->send;
2972	}	3519	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3520	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3521	$sig->send;
…		…
2984		3531
2985	$LOAD = ($NOW - $tick_start) / $TICK;	3532	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3534
2988	_post_tick;	3535	_post_tick;
2989
2990
2991	},	3536	},
2992	);	3537	);
2993		3538
2994	{	3539	{
		3540	BDB::min_parallel 8;
2995	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2996	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2997	reentrant => 0,	3543	reentrant => 0,
2998	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2999	poll => 'r',	3545	poll => 'r',
3000	prio => 0,	3546	prio => 0,
3001	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
3003	);	3549	);
3004	BDB::min_parallel 8;
3005		3550
3006	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
3007	my $status;	3552	my $status;
3008	my $current = $Coro::current;	3553	my $current = $Coro::current;
3009	(	3554	(
…		…
3018	)	3563	)
3019	};	3564	};
3020		3565
3021	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3572
3024	cf::sync_job {	3573	cf::sync_job {
3025	eval {	3574	eval {
3026	BDB::db_env_open	3575	BDB::db_env_open
3027	$DB_ENV,	3576	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3580	0666;
3032		3581
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3582	cf::cleanup "db_env_open($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	};	3583	};
3038		3584
3039	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3586	};
3041	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
3042	}	3619	}
3043		3620
3044	{	3621	{
3045	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
3046		3623
…		…
3049	$AIO_POLL_WATCHER = Event->io (	3626	$AIO_POLL_WATCHER = Event->io (
3050	reentrant => 0,	3627	reentrant => 0,
3051	data => WF_AUTOCANCEL,	3628	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,	3629	fd => IO::AIO::poll_fileno,
3053	poll => 'r',	3630	poll => 'r',
3054	prio => 6,	3631	prio => 0,
3055	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
3056	);	3633	);
3057	}	3634	}
3058		3635
3059	my $_log_backtrace;	3636	my $_log_backtrace;
…		…
3065		3642
3066	# limit the # of concurrent backtraces	3643	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3644	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3645	++$_log_backtrace;
3069	async {	3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
3070	my @bt = fork_call {	3649	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3650	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3653	or die "addr2line: $!";

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