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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 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
…		…
665	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
666	}	869	}
667		870
668	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
669	} else {	872	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	874	}
672		875
673	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
674	}	877	}
675		878
…		…
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;
…		…
967	path => $path,	1221	path => $path,
968	base => $base,	1222	base => $base,
969	pkg => $pkg,	1223	pkg => $pkg,
970	);	1224	);
971		1225
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1228
975	$ext{source} =	1229	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1230	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1231	. "#line 1 \"$path\"\n{\n"
978	. $source	1232	. $source
…		…
984	my %done;	1238	my %done;
985	while (%todo) {	1239	while (%todo) {
986	my $progress;	1240	my $progress;
987		1241
988	while (my ($k, $v) = each %todo) {	1242	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1243	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1244	goto skip
991	unless exists $done{$_};	1245	unless exists $done{$_};
992	}	1246	}
993		1247
994	warn "... loading '$k' into '$v->{pkg}'\n";	1248	warn "... loading '$k' into '$v->{pkg}'\n";
995		1249
996	unless (eval $v->{source}) {	1250	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1251	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1252	: "$v->{base}: extension inactive.\n";
999		1253
1000	if (exists $v->{meta}{mandatory}) {	1254	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1255	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1256	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1257	exit 1;
1004	}	1258	}
1005		1259
1006	die $msg;	1260	warn $msg;
1007	}	1261	}
1008		1262
1009	$done{$k} = delete $todo{$k};	1263	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
1011	}	1266	}
1012		1267
1013	skip:	1268	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1270	unless $progress;
…		…
1017	};	1272	};
1018	}	1273	}
1019		1274
1020	#############################################################################	1275	#############################################################################
1021		1276
		1277	=back
		1278
1022	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
1023		1280
1024	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
1025		1282
1026	=cut	1283	=cut
…		…
1030	use Coro::AIO;	1287	use Coro::AIO;
1031		1288
1032	=head3 cf::player	1289	=head3 cf::player
1033		1290
1034	=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	}
1035		1306
1036	=item cf::player::find $login	1307	=item cf::player::find $login
1037		1308
1038	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
1039		1310
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1350
1080	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1081	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;
1082	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1083	}	1359	}
1084	}	1360	}
1085	}	1361	}
1086		1362
…		…
1096		1372
1097	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1099		1375
1100	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1101	Coro::cede;	1377	cf::cede_to_tick;
1102	}	1378	}
1103		1379
1104	sub new($) {	1380	sub new($) {
1105	my ($login) = @_;	1381	my ($login) = @_;
1106		1382
…		…
1110	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1111		1387
1112	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1113		1389
1114	$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 (@_);
1115	}	1401	}
1116		1402
1117	=item $pl->quit_character	1403	=item $pl->quit_character
1118		1404
1119	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
…		…
1174	or return [];	1460	or return [];
1175		1461
1176	my @logins;	1462	my @logins;
1177		1463
1178	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") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1182		1473
1183	utf8::decode $login;	1474	utf8::decode $login;
1184	push @logins, $login;	1475	push @logins, $login;
1185	}	1476	}
1186		1477
…		…
1213	}	1504	}
1214		1505
1215	\@paths	1506	\@paths
1216	}	1507	}
1217		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
1218	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1219		1561
1220	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1221		1563
1222	=cut	1564	=cut
1223		1565
1224	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1226		1568
1227	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1570	}
1231		1571
1232	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1233		1573
1234	Sends an ext event to the client.	1574	Sends an ext event to the client.
1235		1575
1236	=cut	1576	=cut
1237		1577
1238	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1240		1580
1241	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1242	}	1582	}
1243		1583
1244	=head3 cf::region	1584	=head3 cf::region
1245		1585
1246	=over 4	1586	=over 4
…		…
1249		1589
1250	package cf::region;	1590	package cf::region;
1251		1591
1252	=item cf::region::find_by_path $path	1592	=item cf::region::find_by_path $path
1253		1593
1254	Tries to decuce the probable region for a map knowing only its path.	1594	Tries to decuce the likely region for a map knowing only its path.
1255		1595
1256	=cut	1596	=cut
1257		1597
1258	sub find_by_path($) {	1598	sub find_by_path($) {
1259	my ($path) = @_;	1599	my ($path) = @_;
1260		1600
1261	my ($match, $specificity);	1601	my ($match, $specificity);
1262		1602
1263	for my $region (list) {	1603	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1604	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1605	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1606	if $region->specificity > $specificity;
1267	}	1607	}
1268	}	1608	}
1269		1609
…		…
1389	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1390	return $self;	1730	return $self;
1391	}	1731	}
1392	}	1732	}
1393		1733
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1735	()
1396	}	1736	}
1397		1737
1398	sub init {	1738	sub init {
1399	my ($self) = @_;	1739	my ($self) = @_;
…		…
1462		1802
1463	sub load_header_from($) {	1803	sub load_header_from($) {
1464	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1465		1805
1466	utf8::encode $path;	1806	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	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;
1472		1815
1473	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1474		1817
1475	1	1818	1
1476	}	1819	}
…		…
1530	sub find {	1873	sub find {
1531	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1532		1875
1533	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1534		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1536		1880
1537	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1538	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
1539	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1540	or return;	1886	or return;
1541		1887
1542	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1543		1889
…		…
1545	or return;	1891	or return;
1546		1892
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1550	$map->reset;	1898	$map->reset;
1551	undef $guard;
1552	return find $path;	1899	return find $path;
1553	}	1900	}
1554		1901
1555	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1556	}	1903	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1566		1913
1567	my $path = $self->{path};	1914	my $path = $self->{path};
1568		1915
1569	{	1916	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1571		1918
		1919	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		1921
1574	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1575		1923
1576	$self->alloc;	1924	$self->alloc;
1577		1925
1578	$self->pre_load;	1926	$self->pre_load;
1579	Coro::cede;	1927	cf::cede_to_tick;
1580		1928
		1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	1931	$self->_load_objects ($f)
1582	or return;	1932	or return;
1583		1933
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	1935	if delete $self->{load_original};
1586		1936
1587	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	1938	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	1941	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1592	}	1945	}
1593	}	1946	}
1594		1947
1595	Coro::cede;	1948	$f->resolve_delayed_derefs;
		1949
		1950	cf::cede_to_tick;
1596	# now do the right thing for maps	1951	# now do the right thing for maps
1597	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	1954	unless $self->difficulty;
1600	Coro::cede;	1955	cf::cede_to_tick;
1601		1956
1602	unless ($self->{deny_activate}) {	1957	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	1958	$self->decay_objects;
1604	$self->fix_auto_apply;	1959	$self->fix_auto_apply;
1605	$self->update_buttons;	1960	$self->update_buttons;
1606	Coro::cede;	1961	cf::cede_to_tick;
1607	$self->set_darkness_map;	1962	$self->set_darkness_map;
1608	Coro::cede;	1963	cf::cede_to_tick;
1609	$self->activate;	1964	$self->activate;
1610	}	1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
1611		1969
1612	$self->in_memory (cf::MAP_IN_MEMORY);	1970	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	1971	}
1614		1972
1615	$self->post_load;	1973	$self->post_load;
…		…
1626		1984
1627	$self	1985	$self
1628	}	1986	}
1629		1987
1630	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	1989	sub load_neighbours {
1632	my ($map) = @_;	1990	my ($map) = @_;
1633		1991
1634	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1635		1993
1636	for (0 .. 3) {	1994	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1638	or next;	1996	or next;
1639	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1640	or next;	1998	or next;
1641	$neigh->load;	1999	$neigh->load;
1642		2000
		2001	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2004	}
1646		2005
1647	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1649	or next;	2009	or next;
1650	$neigh->load;	2010	$neigh->load;
1651	}	2011	}
1652	}	2012	}
1653		2013
…		…
1658	}	2018	}
1659		2019
1660	sub do_load_sync {	2020	sub do_load_sync {
1661	my ($map) = @_;	2021	my ($map) = @_;
1662		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1663	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1664	}	2027	}
1665		2028
1666	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1668		2031
1669	sub find_async {	2032	sub find_async {
1670	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1671		2034
1672	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1673		2036
1674	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2039	}
1677		2040
1678	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1679	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1680	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2048	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2049	$map->load if $v;
		2050	}
1685		2051
1686	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1687	}	2053	}
1688	}	2054	}
1689	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1690	};	2056	};
1691	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2060	}
1695		2061
1696	sub save {	2062	sub save {
1697	my ($self) = @_;	2063	my ($self) = @_;
1698		2064
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2066
1701	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1702		2068
1703	return unless $self->dirty;	2069	return unless $self->dirty;
1704		2070
…		…
1710	return if $self->{deny_save};	2076	return if $self->{deny_save};
1711		2077
1712	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1713		2079
1714	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1716	};	2083	};
1717		2084
1718	if ($uniq) {	2085	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2094	my ($self) = @_;
1728		2095
1729	# save first because save cedes	2096	# save first because save cedes
1730	$self->save;	2097	$self->save;
1731		2098
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2100
1734	return if $self->players;	2101	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2103	return if $self->{deny_save};
1737		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2109	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2110	}
1741		2111
1742	sub reset_at {	2112	sub reset_at {
1743	my ($self) = @_;	2113	my ($self) = @_;
1744		2114
…		…
1776	if $uniq;	2146	if $uniq;
1777	}	2147	}
1778		2148
1779	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1780		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2153	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2154
1785	$self->unlink_save;	2155	$self->unlink_save;
1786	$self->destroy;	2156	$self->destroy;
1787	}	2157	}
1788		2158
1789	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1790		2160
1791	sub nuke {	2161	sub nuke {
1792	my ($self) = @_;	2162	my ($self) = @_;
1793		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1794	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1795		2168
1796	$self->unlink_save;	2169	$self->unlink_save;
1797		2170
1798	bless $self, "cf::map";	2171	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2176
1804	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1805		2179
1806	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
1807	}	2181	}
1808		2182
1809	=item $maps = cf::map::tmp_maps	2183	=item $maps = cf::map::tmp_maps
…		…
1885		2259
1886	sub inv_recursive {	2260	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
1888	}	2262	}
1889		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 ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
		2290	}
		2291
1890	package cf;	2292	package cf;
1891		2293
1892	=back	2294	=back
1893		2295
1894	=head3 cf::object::player	2296	=head3 cf::object::player
…		…
1911		2313
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2315
1914	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1916	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1919	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1920	}	2341	}
1921		2342
1922	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1923		2344
1924	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
2006		2427
2007	$map->load;	2428	$map->load;
2008	$map->load_diag;	2429	$map->load_neighbours;
2009		2430
2010	return unless $self->contr->active;	2431	return unless $self->contr->active;
2011	$self->activate_recursive;	2432	$self->activate_recursive;
2012		2433
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
2015	}	2436	}
2016		2437
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2439
2019	Moves the player to the given map-path and coordinates by first freezing	2440	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2441	her, loading and preparing them map, calling the provided $check callback
2021	that has to return the map if sucecssful, and then unfreezes the player on	2442	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2443	the new (success) or old (failed) map position. In either case, $done will
		2444	be called at the end of this process.
2023		2445
2024	=cut	2446	=cut
2025		2447
2026	our $GOTOGEN;	2448	our $GOTOGEN;
2027		2449
2028	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2452
2031	# do generation counting so two concurrent goto's will be executed in-order	2453	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2455
2034	$self->enter_link;	2456	$self->enter_link;
2035		2457
2036	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
2037	my $map = eval {	2480	my $map = eval {
2038	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
2039		2482
2040	if ($map) {	2483	if ($map) {
2041	$map = $map->customise_for ($self);	2484	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2485	$map = $check->($map) if $check && $map;
2043	} else {	2486	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2488	}
2046		2489
2047	$map	2490	$map
2048	};	2491	};
2049		2492
…		…
2054		2497
2055	if ($gen == $self->{_goto_generation}) {	2498	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2499	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
2058	}	2501	}
		2502
		2503	$done->() if $done;
2059	})->prio (1);	2504	})->prio (1);
2060	}	2505	}
2061		2506
2062	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
2063		2508
…		…
2132	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
2134		2579
2135	$self->enter_link;	2580	$self->enter_link;
2136		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
2137	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
2138	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2590	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
2141		2592
2142	1;	2593	1;
…		…
2168		2619
2169	utf8::encode $text;	2620	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2622	}
2172		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
2173	=item $client->ext_event ($type, %msg)	2717	=item $client->ext_msg ($type, @msg)
2174		2718
2175	Sends an exti event to the client.	2719	Sends an ext event to the client.
2176		2720
2177	=cut	2721	=cut
2178		2722
2179	sub cf::client::ext_event($$%) {	2723	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2724	my ($self, $type, @msg) = @_;
2181		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2729	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
2184	}	2750	}
2185		2751
2186	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
2187		2753
2188	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
2189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2757
2192	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2759	become reliable at some point in the future.
2194		2760
2195	=cut	2761	=cut
2196		2762
2197	sub cf::client::query {	2763	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2772	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2774
2209	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
2211	}	2779	}
2212		2780
2213	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2214	on_reply => sub {	2787	on_reply => sub {
2215	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2216		2789
2217	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2218	# get handled first	2791	# get handled first
…		…
2230	} else {	2803	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2805	}
2233	}	2806	}
2234	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2235	);	2834	);
2236		2835
2237	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2238		2837
2239	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2282		2881
2283	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2284		2883
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2286		2889
2287	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2288		2891
2289	=pod	2892	=pod
2290		2893
2291	The following functions and methods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2292		2895
2293	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2294	cf::object::player player	2900	cf::object::player
2295	cf::player peaceful	2901	player
2296	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2297		2908
2298	=cut	2909	=cut
2299		2910
2300	for (	2911	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2302	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2305	) {	2918	) {
2306	no strict 'refs';	2919	no strict 'refs';
…		…
2377	=back	2990	=back
2378		2991
2379	=cut	2992	=cut
2380		2993
2381	#############################################################################	2994	#############################################################################
2382
2383	=head2 EXTENSION DATABASE SUPPORT
2384
2385	Crossfire maintains a very simple database for extension use. It can
2386	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387	convert to/from binary).
2388
2389	The parameter C<$family> should best start with the name of the extension
2390	using it, it should be unique.
2391
2392	=over 4
2393
2394	=item $value = cf::db_get $family => $key
2395
2396	Returns a single value from the database.
2397
2398	=item cf::db_put $family => $key => $value
2399
2400	Stores the given C<$value> in the family.
2401
2402	=cut
2403
2404	our $DB;
2405
2406	sub db_init {
2407	unless ($DB) {
2408	$DB = BDB::db_create $DB_ENV;
2409
2410	cf::sync_job {
2411	eval {
2412	$DB->set_flags (BDB::CHKSUM);
2413
2414	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416	cf::cleanup "db_open(db): $!" if $!;
2417	};
2418	cf::cleanup "db_open(db): $@" if $@;
2419	};
2420	}
2421	}
2422
2423	sub db_get($$) {
2424	my $key = "$_[0]/$_[1]";
2425
2426	cf::sync_job {
2427	BDB::db_get $DB, undef, $key, my $data;
2428
2429	$! ? ()
2430	: $data
2431	}
2432	}
2433
2434	sub db_put($$$) {
2435	BDB::dbreq_pri 4;
2436	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437	}
2438
2439	=item cf::cache $id => [$paths...], $processversion => $process
2440
2441	Generic caching function that returns the value of the resource $id,
2442	caching and regenerating as required.
2443
2444	This function can block.
2445
2446	=cut
2447
2448	sub cache {
2449	my ($id, $src, $processversion, $process) = @_;
2450
2451	my $meta =
2452	join "\x00",
2453	$processversion,
2454	map {
2455	aio_stat $_
2456	and Carp::croak "$_: $!";
2457
2458	($_, (stat _)[7,9])
2459	} @$src;
2460
2461	my $dbmeta = db_get cache => "$id/meta";
2462	if ($dbmeta ne $meta) {
2463	# changed, we may need to process
2464
2465	my @data;
2466	my $md5;
2467
2468	for (0 .. $#$src) {
2469	0 <= aio_load $src->[$_], $data[$_]
2470	or Carp::croak "$src->[$_]: $!";
2471	}
2472
2473	# if processing is expensive, check
2474	# checksum first
2475	if (1) {
2476	$md5 =
2477	join "\x00",
2478	$processversion,
2479	map {
2480	Coro::cede;
2481	($src->[$_], Digest::MD5::md5_hex $data[$_])
2482	} 0.. $#$src;
2483
2484
2485	my $dbmd5 = db_get cache => "$id/md5";
2486	if ($dbmd5 eq $md5) {
2487	db_put cache => "$id/meta", $meta;
2488
2489	return db_get cache => "$id/data";
2490	}
2491	}
2492
2493	my $t1 = Time::HiRes::time;
2494	my $data = $process->(\@data);
2495	my $t2 = Time::HiRes::time;
2496
2497	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499	db_put cache => "$id/data", $data;
2500	db_put cache => "$id/md5" , $md5;
2501	db_put cache => "$id/meta", $meta;
2502
2503	return $data;
2504	}
2505
2506	db_get cache => "$id/data"
2507	}
2508
2509	=item fork_call { }, $args
2510
2511	Executes the given code block with the given arguments in a seperate
2512	process, returning the results. Everything must be serialisable with
2513	Coro::Storable. May, of course, block. Note that the executed sub may
2514	never block itself or use any form of Event handling.
2515
2516	=cut
2517
2518	sub fork_call(&@) {
2519	my ($cb, @args) = @_;
2520
2521	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522	# or die "socketpair: $!";
2523	pipe my $fh1, my $fh2
2524	or die "pipe: $!";
2525
2526	if (my $pid = fork) {
2527	close $fh2;
2528
2529	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530	$res = Coro::Storable::thaw $res;
2531
2532	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534	die $$res unless "ARRAY" eq ref $res;
2535
2536	return wantarray ? @$res : $res->[-1];
2537	} else {
2538	reset_signals;
2539	local $SIG{__WARN__};
2540	local $SIG{__DIE__};
2541	eval {
2542	close $fh1;
2543
2544	my @res = eval { $cb->(@args) };
2545	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546	};
2547
2548	warn $@ if $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	2995	# the server's init and main functions
2555		2996
2556	sub load_facedata($) {	2997	sub load_facedata($) {
2557	my ($path) = @_;	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3005
2559	warn "loading facedata from $path\n";	3006	warn "loading facedata from $path\n";
2560		3007
2561	my $facedata;	3008	my $facedata;
2562	0 < aio_load $path, $facedata	3009	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3012	$facedata = Coro::Storable::thaw $facedata;
2566		3013
2567	$facedata->{version} == 2	3014	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
2570	{	3024	{
2571	my $faces = $facedata->{faceinfo};	3025	my $faces = $facedata->{faceinfo};
2572		3026
2573	while (my ($face, $info) = each %$faces) {	3027	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3033
		3034	cf::cede_to_tick;
2579	}	3035	}
2580		3036
2581	while (my ($face, $info) = each %$faces) {	3037	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3038	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3039	my $idx = cf::face::find $face
2584	or next;	3040	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3044	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3046	}
2590	Coro::cede;	3047
		3048	cf::cede_to_tick;
2591	}	3049	}
2592	}	3050	}
2593		3051
2594	{	3052	{
2595	my $anims = $facedata->{animinfo};	3053	my $anims = $facedata->{animinfo};
2596		3054
2597	while (my ($anim, $info) = each %$anims) {	3055	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3057	cf::cede_to_tick;
2600	}	3058	}
2601		3059
2602	cf::anim::invalidate_all; # d'oh	3060	cf::anim::invalidate_all; # d'oh
2603	}	3061	}
2604		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
2605	1	3112	1
2606	}	3113	}
2607		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
2608	sub reload_regions {	3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
2609	load_resource_file "$MAPDIR/regions"	3128	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3129	or die "unable to load regions file\n";
		3130
		3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
2611	}	3135	}
2612		3136
2613	sub reload_facedata {	3137	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3138	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3139	or die "unable to load facedata\n";
2616	}	3140	}
2617		3141
2618	sub reload_archetypes {	3142	sub reload_archetypes {
		3143	load_resource_file "$DATADIR/archetypes"
		3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3148	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3149	or die "unable to load archetypes\n";
2621	}	3150	}
2622		3151
2623	sub reload_treasures {	3152	sub reload_treasures {
…		…
2639		3168
2640	sub init {	3169	sub init {
2641	reload_resources;	3170	reload_resources;
2642	}	3171	}
2643		3172
2644	sub cfg_load {	3173	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3175	or return;
2647		3176
2648	local $/;	3177	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3194	sub main {
2666	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2670	Event::one_event;	3200	Event::one_event;
2671	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2672	};	3202	};
2673		3203
2674	cfg_load;	3204	reload_config;
2675	db_init;	3205	db_init;
2676	load_extensions;	3206	load_extensions;
2677		3207
2678	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2679	Event::loop;	3209	Event::loop;
…		…
2695	},	3225	},
2696	);	3226	);
2697	}	3227	}
2698	}	3228	}
2699		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2700	sub emergency_save() {	3268	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2702		3270
2703	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2704		3272
…		…
2779	%EXT_CORO = ();	3347	%EXT_CORO = ();
2780		3348
2781	warn "removing commands";	3349	warn "removing commands";
2782	%COMMAND = ();	3350	%COMMAND = ();
2783		3351
2784	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2786		3355
2787	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2790		3359
…		…
2833	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2834	require cf;	3403	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3405
2837	warn "loading config and database again";	3406	warn "loading config and database again";
2838	cf::cfg_load;	3407	cf::reload_config;
2839		3408
2840	warn "loading extensions";	3409	warn "loading extensions";
2841	cf::load_extensions;	3410	cf::load_extensions;
2842		3411
2843	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
…		…
2879	register_command "reload" => sub {	3448	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2881		3450
2882	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
		3453	async {
		3454	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3455	reload_perl;
		3456	};
2885	}	3457	}
2886	};	3458	};
2887		3459
2888	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2889		3461
…		…
2908	my $signal = new Coro::Signal;	3480	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3481	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3482	$signal->wait;
2911	}	3483	}
2912		3484
2913	my $min = 1e6;#d#
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (	3485	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,	3486	reentrant => 0,
2917	parked => 1,	3487	parked => 1,
2918	prio => 0,	3488	prio => 0,
2919	at => $NEXT_TICK || $TICK,	3489	at => $NEXT_TICK || $TICK,
…		…
2927		3497
2928	$NOW = $tick_start = Event::time;	3498	$NOW = $tick_start = Event::time;
2929		3499
2930	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
2931		3501
2932	0 && sync_job {#d#
2933	for(1..10) {
2934	my $t = Event::time;
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2936	or die;
2937
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};
2954
2955	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2957		3504
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {	3507	Coro::async_pool {
		3508	$Coro::current->{desc} = "runtime saver";
2961	write_runtime	3509	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";	3510	or warn "ERROR: unable to write runtime file: $!";
2963	};	3511	};
2964	}	3512	}
2965		3513
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3515	$sig->send;
2971	}	3516	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3517	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3518	$sig->send;
…		…
2983		3528
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3529	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3531
2987	_post_tick;	3532	_post_tick;
2988
2989
2990	},	3533	},
2991	);	3534	);
2992		3535
2993	{	3536	{
		3537	BDB::min_parallel 8;
2994	BDB::max_poll_time $TICK * 0.1;	3538	BDB::max_poll_time $TICK * 0.1;
2995	$BDB_POLL_WATCHER = Event->io (	3539	$BDB_POLL_WATCHER = Event->io (
2996	reentrant => 0,	3540	reentrant => 0,
2997	fd => BDB::poll_fileno,	3541	fd => BDB::poll_fileno,
2998	poll => 'r',	3542	poll => 'r',
2999	prio => 0,	3543	prio => 0,
3000	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,	3545	cb => \&BDB::poll_cb,
3002	);	3546	);
3003	BDB::min_parallel 8;
3004		3547
3005	BDB::set_sync_prepare {	3548	BDB::set_sync_prepare {
3006	my $status;	3549	my $status;
3007	my $current = $Coro::current;	3550	my $current = $Coro::current;
3008	(	3551	(
…		…
3017	)	3560	)
3018	};	3561	};
3019		3562
3020	unless ($DB_ENV) {	3563	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3569
3023	cf::sync_job {	3570	cf::sync_job {
3024	eval {	3571	eval {
3025	BDB::db_env_open	3572	BDB::db_env_open
3026	$DB_ENV,	3573	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3577	0666;
3031		3578
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	3580	};
3037		3581
3038	cf::cleanup "db_env_open(db): $@" if $@;	3582	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3583	};
3040	}	3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
3041	}	3616	}
3042		3617
3043	{	3618	{
3044	IO::AIO::min_parallel 8;	3619	IO::AIO::min_parallel 8;
3045		3620
…		…
3048	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
3049	reentrant => 0,	3624	reentrant => 0,
3050	data => WF_AUTOCANCEL,	3625	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
3052	poll => 'r',	3627	poll => 'r',
3053	prio => 6,	3628	prio => 0,
3054	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
3055	);	3630	);
3056	}	3631	}
3057		3632
3058	my $_log_backtrace;	3633	my $_log_backtrace;
…		…
3064		3639
3065	# limit the # of concurrent backtraces	3640	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3641	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3642	++$_log_backtrace;
3068	async {	3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
3069	my @bt = fork_call {	3646	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3647	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3650	or die "addr2line: $!";

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