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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 1.379 by root, Thu Oct 4 23:59:07 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 3.64 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
…		…
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;	81	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		83
80	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	88	our $DB_ENV;
82		89
83	our %CFG;	90	our %CFG;
84		91
85	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	93	our $RUNTIME;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		101
…		…
164		171
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
169	=back	182	=back
170		183
171	=cut	184	=cut
172		185
173	BEGIN {	186	BEGIN {
…		…
177	$msg .= "\n"	190	$msg .= "\n"
178	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
179		192
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		194
182	utf8::encode $msg;
183	LOG llevError, $msg;	195	LOG llevError, $msg;
184	};	196	};
185	}	197	}
186		198
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
206	}	218	}
207		219
208	$Event::DIED = sub {	220	$Event::DIED = sub {
209	warn "error in event callback: @_";	221	warn "error in event callback: @_";
210	};	222	};
		223
		224	#############################################################################
211		225
212	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
213		227
214	=over 4	228	=over 4
215		229
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	249	$d
236	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
237	}	251	}
238		252
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
242		254
243	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
244		256
245	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
246		258
247	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
248		267
249	=item cf::lock_wait $string	268	=item cf::lock_wait $string
250		269
251	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
252		271
…		…
255	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
258	returned.	277	returned.
259		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
260	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
262		284
263	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
264		286
265	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
266		288
267	=cut	289	=cut
268		290
269	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
270		293
271	sub lock_wait($) {	294	sub lock_wait($) {
272	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
273		301
274	# wait for lock, if any	302	# wait for lock, if any
275	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;	305	Coro::schedule;
…		…
283		311
284	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
285	lock_wait $key;	313	lock_wait $key;
286		314
287	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
288		317
289	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
290	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
292	}	322	}
293	}	323	}
294		324
…		…
306	};	336	};
307	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
308	$guard	338	$guard
309	}	339	}
310		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
311	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
312		400
313	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
314	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
315	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
318		406
319	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
320		408
321	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
322		410
323	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
326		415
327	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
330	fast or be very important.	419	fast or be very important.
…		…
338	my $time = Event::time;	427	my $time = Event::time;
339		428
340	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
342		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
343	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
344	# (but this is cancel-safe)	435	# (but this is cancel-safe)
345	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
346		437
347	my $busy = 1;	438	my $busy = 1;
348	my @res;	439	my @res;
349		440
350	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	443	@res = eval { $job->() };
352	warn $@ if $@;	444	warn $@ if $@;
353	undef $busy;	445	undef $busy;
354	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
355		447
…		…
390	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
391		483
392	$coro	484	$coro
393	}	485	}
394		486
395	sub write_runtime {	487	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		488
398	# first touch the runtime file to show we are still running:	489	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
400		493
401	IO::AIO::aio_utime $runtime, undef, undef;	494	=cut
402		495
403	my $guard = cf::lock_acquire "write_runtime";	496	sub fork_call(&@) {
		497	my ($cb, @args) = @_;
404		498
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	499	# we seemingly have to make a local copy of the whole thing,
406	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
407		502
408	my $value = $cf::RUNTIME + 90 + 10;	503	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	504	reset_signals;
410	# 60 allows for the watchdog to kill the server.	505	&$cb
		506	}, @args;
411		507
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	508	wantarray ? @res : $res[-1]
413	and return;	509	}
414		510
415	# always fsync - this file is important	511	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		512
419	# touch it again to show we are up-to-date	513	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		514
422	close $fh	515	=item cf::db_put $family => $key => $value
423	or return;
424		516
425	aio_rename "$runtime~", $runtime	517	Stores the given C<$value> in the family. It can currently store binary
426	and return;	518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		519
428	warn "runtime file written.\n";	520	=item $db = cf::db_table "name"
429		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
430	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
431	}	636	}
432		637
433	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
434		639
435	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
455		660
456	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	663	Crossfire TRT).
459		664
460	=over 4	665	=over 4
461		666
462	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
463		668
…		…
665	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
666	}	871	}
667		872
668	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
669	} else {	874	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
671	}	876	}
672		877
673	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
674	}	879	}
675		880
…		…
715	";	920	";
716	die if $@;	921	die if $@;
717	}	922	}
718		923
719	our $override;	924	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		926
722	sub override {	927	sub override {
723	$override = 1;	928	$override = 1;
724	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
725	}	930	}
726		931
727	sub do_invoke {	932	sub do_invoke {
728	my $event = shift;	933	my $event = shift;
729	my $callbacks = shift;	934	my $callbacks = shift;
730		935
731	@invoke_results = ();	936	@INVOKE_RESULTS = ();
732		937
733	local $override;	938	local $override;
734		939
735	for (@$callbacks) {	940	for (@$callbacks) {
736	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
753		958
754	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
755		960
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		964
760	=back	965	=back
761		966
762	=cut	967	=cut
763		968
764	#############################################################################	969	#############################################################################
765	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
766		982
767	sub reattach {	983	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	985	my ($obj) = @_;
770		986
…		…
817	sub object_freezer_save {	1033	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
819		1035
820	sync_job {	1036	sync_job {
821	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
824		1041
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
…		…
847	}	1064	}
848	} else {	1065	} else {
849	aio_unlink $filename;	1066	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
851	}	1068	}
852	}	1069	};
853	}	1070	}
854		1071
855	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
857		1074
…		…
869	or return;	1086	or return;
870		1087
871	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
873	or return;	1090	or return;
		1091
874	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
875	}	1093	}
876		1094
		1095	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1096	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1097	$decname, length $data, scalar @{$av || []};
		1098
879	return ($data, $av);	1099	($data, $av)
880	}	1100	}
		1101
		1102	=head2 COMMAND CALLBACKS
		1103
		1104	=over 4
		1105
		1106	=cut
881		1107
882	#############################################################################	1108	#############################################################################
883	# command handling &c	1109	# command handling &c
884		1110
885	=item cf::register_command $name => \&callback($ob,$args);	1111	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1124	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1125	}
900		1126
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1127	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1128
903	Register a callbackf ro execution when the client sends an extcmd packet.	1129	Register a callback for execution when the client sends an (synchronous)
		1130	extcmd packet. Ext commands will be processed in the order they are
		1131	received by the server, like other user commands. The first argument is
		1132	the logged-in player. Ext commands can only be processed after a player
		1133	has logged in successfully.
904		1134
905	If the callback returns something, it is sent back as if reply was being	1135	If the callback returns something, it is sent back as if reply was being
906	called.	1136	called.
907		1137
		1138	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1139
		1140	Register a callback for execution when the client sends an (asynchronous)
		1141	exticmd packet. Exti commands are processed by the server as soon as they
		1142	are received, i.e. out of order w.r.t. other commands. The first argument
		1143	is a client socket. Exti commands can be received anytime, even before
		1144	log-in.
		1145
		1146	If the callback returns something, it is sent back as if reply was being
		1147	called.
		1148
908	=cut	1149	=cut
909		1150
910	sub register_extcmd {	1151	sub register_extcmd {
911	my ($name, $cb) = @_;	1152	my ($name, $cb) = @_;
912		1153
913	$EXTCMD{$name} = $cb;	1154	$EXTCMD{$name} = $cb;
		1155	}
		1156
		1157	sub register_exticmd {
		1158	my ($name, $cb) = @_;
		1159
		1160	$EXTICMD{$name} = $cb;
914	}	1161	}
915		1162
916	cf::player->attach (	1163	cf::player->attach (
917	on_command => sub {	1164	on_command => sub {
918	my ($pl, $name, $params) = @_;	1165	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1174	cf::override;
928	},	1175	},
929	on_extcmd => sub {	1176	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1177	my ($pl, $buf) = @_;
931		1178
932	my $msg = eval { from_json $buf };	1179	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1180
934	if (ref $msg) {	1181	if (ref $msg) {
		1182	my ($type, $reply, @payload) =
		1183	"ARRAY" eq ref $msg
		1184	? @$msg
		1185	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1186
		1187	my @reply;
		1188
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1189	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1190	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1191	}
		1192
		1193	$pl->ext_reply ($reply, @reply)
		1194	if $reply;
		1195
940	} else {	1196	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1197	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1198	}
943		1199
944	cf::override;	1200	cf::override;
…		…
967	path => $path,	1223	path => $path,
968	base => $base,	1224	base => $base,
969	pkg => $pkg,	1225	pkg => $pkg,
970	);	1226	);
971		1227
972	$ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 }	1228	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /^#!.*?perl.*?#\s*(.*)$/;	1229	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1230
975	$ext{source} =	1231	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1232	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"	1233	. "#line 1 \"$path\"\n{\n"
978	. $source	1234	. $source
…		…
984	my %done;	1240	my %done;
985	while (%todo) {	1241	while (%todo) {
986	my $progress;	1242	my $progress;
987		1243
988	while (my ($k, $v) = each %todo) {	1244	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $ext{meta}{depends}) {	1245	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1246	goto skip
991	unless exists $done{$_};	1247	unless exists $done{$_};
992	}	1248	}
993		1249
994	warn "... loading '$k' into '$v->{pkg}'\n";	1250	warn "... loading '$k' into '$v->{pkg}'\n";
995		1251
996	unless (eval $v->{source}) {	1252	unless (eval $v->{source}) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1253	my $msg = $@ ? "$v->{path}: $@\n"
998	: "extension disabled.\n";	1254	: "$v->{base}: extension inactive.\n";
999		1255
1000	if (exists $v->{meta}{mandatory}) {	1256	if (exists $v->{meta}{mandatory}) {
1001	warn $msg;	1257	warn $msg;
1002	warn "mandatory extension failed to load, exiting.\n";	1258	warn "mandatory extension failed to load, exiting.\n";
1003	exit 1;	1259	exit 1;
1004	}	1260	}
1005		1261
1006	die $msg;	1262	warn $msg;
1007	}	1263	}
1008		1264
1009	$done{$k} = delete $todo{$k};	1265	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};	1266	push @EXTS, $v->{pkg};
		1267	$progress = 1;
1011	}	1268	}
1012		1269
1013	skip:	1270	skip:
1014	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1271	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015	unless $progress;	1272	unless $progress;
…		…
1017	};	1274	};
1018	}	1275	}
1019		1276
1020	#############################################################################	1277	#############################################################################
1021		1278
		1279	=back
		1280
1022	=head2 CORE EXTENSIONS	1281	=head2 CORE EXTENSIONS
1023		1282
1024	Functions and methods that extend core crossfire objects.	1283	Functions and methods that extend core crossfire objects.
1025		1284
1026	=cut	1285	=cut
…		…
1030	use Coro::AIO;	1289	use Coro::AIO;
1031		1290
1032	=head3 cf::player	1291	=head3 cf::player
1033		1292
1034	=over 4	1293	=over 4
		1294
		1295	=item cf::player::num_playing
		1296
		1297	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1298
		1299	=cut
		1300
		1301	sub num_playing {
		1302	scalar grep
		1303	$_->ob->map
		1304	&& !$_->hidden
		1305	&& !$_->ob->flag (cf::FLAG_WIZ),
		1306	cf::player::list
		1307	}
1035		1308
1036	=item cf::player::find $login	1309	=item cf::player::find $login
1037		1310
1038	Returns the given player object, loading it if necessary (might block).	1311	Returns the given player object, loading it if necessary (might block).
1039		1312
…		…
1075	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1348	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1349	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1350	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078	aio_unlink +(playerdir $login) . "/$login.pl";	1351	aio_unlink +(playerdir $login) . "/$login.pl";
1079		1352
1080	my $pl = load_pl path $login	1353	my $f = new_from_file cf::object::thawer path $login
1081	or return;	1354	or return;
		1355
		1356	my $pl = cf::player::load_pl $f
		1357	or return;
		1358	local $cf::PLAYER_LOADING{$login} = $pl;
		1359	$f->resolve_delayed_derefs;
1082	$cf::PLAYER{$login} = $pl	1360	$cf::PLAYER{$login} = $pl
1083	}	1361	}
1084	}	1362	}
1085	}	1363	}
1086		1364
…		…
1096		1374
1097	aio_mkdir playerdir $pl, 0770;	1375	aio_mkdir playerdir $pl, 0770;
1098	$pl->{last_save} = $cf::RUNTIME;	1376	$pl->{last_save} = $cf::RUNTIME;
1099		1377
1100	$pl->save_pl ($path);	1378	$pl->save_pl ($path);
1101	Coro::cede;	1379	cf::cede_to_tick;
1102	}	1380	}
1103		1381
1104	sub new($) {	1382	sub new($) {
1105	my ($login) = @_;	1383	my ($login) = @_;
1106		1384
…		…
1110	$self->{deny_save} = 1;	1388	$self->{deny_save} = 1;
1111		1389
1112	$cf::PLAYER{$login} = $self;	1390	$cf::PLAYER{$login} = $self;
1113		1391
1114	$self	1392	$self
		1393	}
		1394
		1395	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1396
		1397	=cut
		1398
		1399	sub send_msg {
		1400	my $ns = shift->ns
		1401	or return;
		1402	$ns->send_msg (@_);
1115	}	1403	}
1116		1404
1117	=item $pl->quit_character	1405	=item $pl->quit_character
1118		1406
1119	Nukes the player without looking back. If logged in, the connection will	1407	Nukes the player without looking back. If logged in, the connection will
…		…
1174	or return [];	1462	or return [];
1175		1463
1176	my @logins;	1464	my @logins;
1177		1465
1178	for my $login (@$dirs) {	1466	for my $login (@$dirs) {
		1467	my $path = path $login;
		1468
		1469	# a .pst is a dead give-away for a valid player
		1470	unless (-e "$path.pst") {
1179	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1471	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180	aio_read $fh, 0, 512, my $buf, 0 or next;	1472	aio_read $fh, 0, 512, my $buf, 0 or next;
1181	$buf !~ /^password -------------$/m or next; # official not-valid tag	1473	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1474	}
1182		1475
1183	utf8::decode $login;	1476	utf8::decode $login;
1184	push @logins, $login;	1477	push @logins, $login;
1185	}	1478	}
1186		1479
…		…
1213	}	1506	}
1214		1507
1215	\@paths	1508	\@paths
1216	}	1509	}
1217		1510
		1511	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1512
		1513	Expand crossfire pod fragments into protocol xml.
		1514
		1515	=cut
		1516
		1517	sub expand_cfpod {
		1518	((my $self), (local $_)) = @_;
		1519
		1520	# escape & and <
		1521	s/&/&amp;/g;
		1522	s/(?<![BIUGHT])</&lt;/g;
		1523
		1524	# this is buggy, it needs to properly take care of nested <'s
		1525
		1526	1 while
		1527	# replace B<>, I<>, U<> etc.
		1528	s/B<([^\>]*)>/<b>$1<\/b>/
		1529	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1530	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1531	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1532	# replace G<male|female> tags
		1533	|| s{G<([^>|]*)\|([^>]*)>}{
		1534	$self->gender ? $2 : $1
		1535	}ge
		1536	# replace H<hint text>
		1537	|| s{H<([^\>]*)>}
		1538	{
		1539	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1540	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1541	"")
		1542	[$self->{hintmode}]
		1543	}ge;
		1544
		1545	# create single paragraphs (very hackish)
		1546	s/(?<=\S)\n(?=\w)/ /g;
		1547
		1548	# compress some whitespace
		1549	s/\s+\n/\n/g; # ws line-ends
		1550	s/\n\n+/\n/g; # double lines
		1551	s/^\n+//; # beginning lines
		1552	s/\n+$//; # ending lines
		1553
		1554	$_
		1555	}
		1556
		1557	sub hintmode {
		1558	$_[0]{hintmode} = $_[1] if @_ > 1;
		1559	$_[0]{hintmode}
		1560	}
		1561
1218	=item $player->ext_reply ($msgid, %msg)	1562	=item $player->ext_reply ($msgid, @msg)
1219		1563
1220	Sends an ext reply to the player.	1564	Sends an ext reply to the player.
1221		1565
1222	=cut	1566	=cut
1223		1567
1224	sub ext_reply($$%) {	1568	sub ext_reply($$@) {
1225	my ($self, $id, %msg) = @_;	1569	my ($self, $id, @msg) = @_;
1226		1570
1227	$msg{msgid} = $id;	1571	$self->ns->ext_reply ($id, @msg)
1228
1229	$self->send ("ext " . cf::to_json \%msg);
1230	}	1572	}
1231		1573
1232	=item $player->ext_event ($type, %msg)	1574	=item $player->ext_msg ($type, @msg)
1233		1575
1234	Sends an ext event to the client.	1576	Sends an ext event to the client.
1235		1577
1236	=cut	1578	=cut
1237		1579
1238	sub ext_event($$%) {	1580	sub ext_msg($$@) {
1239	my ($self, $type, %msg) = @_;	1581	my ($self, $type, @msg) = @_;
1240		1582
1241	$self->ns->ext_event ($type, %msg);	1583	$self->ns->ext_msg ($type, @msg);
1242	}	1584	}
1243		1585
1244	=head3 cf::region	1586	=head3 cf::region
1245		1587
1246	=over 4	1588	=over 4
…		…
1249		1591
1250	package cf::region;	1592	package cf::region;
1251		1593
1252	=item cf::region::find_by_path $path	1594	=item cf::region::find_by_path $path
1253		1595
1254	Tries to decuce the probable region for a map knowing only its path.	1596	Tries to decuce the likely region for a map knowing only its path.
1255		1597
1256	=cut	1598	=cut
1257		1599
1258	sub find_by_path($) {	1600	sub find_by_path($) {
1259	my ($path) = @_;	1601	my ($path) = @_;
1260		1602
1261	my ($match, $specificity);	1603	my ($match, $specificity);
1262		1604
1263	for my $region (list) {	1605	for my $region (list) {
1264	if ($region->match && $path =~ $region->match) {	1606	if ($region->{match} && $path =~ $region->{match}) {
1265	($match, $specificity) = ($region, $region->specificity)	1607	($match, $specificity) = ($region, $region->specificity)
1266	if $region->specificity > $specificity;	1608	if $region->specificity > $specificity;
1267	}	1609	}
1268	}	1610	}
1269		1611
…		…
1389	$self->init; # pass $1 etc.	1731	$self->init; # pass $1 etc.
1390	return $self;	1732	return $self;
1391	}	1733	}
1392	}	1734	}
1393		1735
1394	Carp::carp "unable to resolve path '$path' (base '$base').";	1736	Carp::cluck "unable to resolve path '$path' (base '$base').";
1395	()	1737	()
1396	}	1738	}
1397		1739
1398	sub init {	1740	sub init {
1399	my ($self) = @_;	1741	my ($self) = @_;
…		…
1462		1804
1463	sub load_header_from($) {	1805	sub load_header_from($) {
1464	my ($self, $path) = @_;	1806	my ($self, $path) = @_;
1465		1807
1466	utf8::encode $path;	1808	utf8::encode $path;
1467	#aio_open $path, O_RDONLY, 0	1809	my $f = new_from_file cf::object::thawer $path
1468	# or return;
1469
1470	$self->_load_header ($path)
1471	or return;	1810	or return;
		1811
		1812	$self->_load_header ($f)
		1813	or return;
		1814
		1815	local $MAP_LOADING{$self->{path}} = $self;
		1816	$f->resolve_delayed_derefs;
1472		1817
1473	$self->{load_path} = $path;	1818	$self->{load_path} = $path;
1474		1819
1475	1	1820	1
1476	}	1821	}
…		…
1530	sub find {	1875	sub find {
1531	my ($path, $origin) = @_;	1876	my ($path, $origin) = @_;
1532		1877
1533	$path = normalise $path, $origin && $origin->path;	1878	$path = normalise $path, $origin && $origin->path;
1534		1879
		1880	cf::lock_wait "map_data:$path";#d#remove
1535	cf::lock_wait "map_find:$path";	1881	cf::lock_wait "map_find:$path";
1536		1882
1537	$cf::MAP{$path} || do {	1883	$cf::MAP{$path} || do {
1538	my $guard = cf::lock_acquire "map_find:$path";	1884	my $guard1 = cf::lock_acquire "map_find:$path";
		1885	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1886
1539	my $map = new_from_path cf::map $path	1887	my $map = new_from_path cf::map $path
1540	or return;	1888	or return;
1541		1889
1542	$map->{last_save} = $cf::RUNTIME;	1890	$map->{last_save} = $cf::RUNTIME;
1543		1891
…		…
1545	or return;	1893	or return;
1546		1894
1547	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1895	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548	# doing this can freeze the server in a sync job, obviously	1896	# doing this can freeze the server in a sync job, obviously
1549	#$cf::WAIT_FOR_TICK->wait;	1897	#$cf::WAIT_FOR_TICK->wait;
		1898	undef $guard1;
		1899	undef $guard2;
1550	$map->reset;	1900	$map->reset;
1551	undef $guard;
1552	return find $path;	1901	return find $path;
1553	}	1902	}
1554		1903
1555	$cf::MAP{$path} = $map	1904	$cf::MAP{$path} = $map
1556	}	1905	}
…		…
1565	local $self->{deny_reset} = 1; # loading can take a long time	1914	local $self->{deny_reset} = 1; # loading can take a long time
1566		1915
1567	my $path = $self->{path};	1916	my $path = $self->{path};
1568		1917
1569	{	1918	{
1570	my $guard = cf::lock_acquire "map_load:$path";	1919	my $guard = cf::lock_acquire "map_data:$path";
1571		1920
		1921	return unless $self->valid;
1572	return if $self->in_memory != cf::MAP_SWAPPED;	1922	return unless $self->in_memory == cf::MAP_SWAPPED;
1573		1923
1574	$self->in_memory (cf::MAP_LOADING);	1924	$self->in_memory (cf::MAP_LOADING);
1575		1925
1576	$self->alloc;	1926	$self->alloc;
1577		1927
1578	$self->pre_load;	1928	$self->pre_load;
1579	Coro::cede;	1929	cf::cede_to_tick;
1580		1930
		1931	my $f = new_from_file cf::object::thawer $self->{load_path};
		1932	$f->skip_block;
1581	$self->_load_objects ($self->{load_path}, 1)	1933	$self->_load_objects ($f)
1582	or return;	1934	or return;
1583		1935
1584	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1936	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1585	if delete $self->{load_original};	1937	if delete $self->{load_original};
1586		1938
1587	if (my $uniq = $self->uniq_path) {	1939	if (my $uniq = $self->uniq_path) {
1588	utf8::encode $uniq;	1940	utf8::encode $uniq;
1589	if (aio_open $uniq, O_RDONLY, 0) {	1941	unless (aio_stat $uniq) {
		1942	if (my $f = new_from_file cf::object::thawer $uniq) {
1590	$self->clear_unique_items;	1943	$self->clear_unique_items;
1591	$self->_load_objects ($uniq, 0);	1944	$self->_load_objects ($f);
		1945	$f->resolve_delayed_derefs;
		1946	}
1592	}	1947	}
1593	}	1948	}
1594		1949
1595	Coro::cede;	1950	$f->resolve_delayed_derefs;
		1951
		1952	cf::cede_to_tick;
1596	# now do the right thing for maps	1953	# now do the right thing for maps
1597	$self->link_multipart_objects;	1954	$self->link_multipart_objects;
1598	$self->difficulty ($self->estimate_difficulty)	1955	$self->difficulty ($self->estimate_difficulty)
1599	unless $self->difficulty;	1956	unless $self->difficulty;
1600	Coro::cede;	1957	cf::cede_to_tick;
1601		1958
1602	unless ($self->{deny_activate}) {	1959	unless ($self->{deny_activate}) {
1603	$self->decay_objects;	1960	$self->decay_objects;
1604	$self->fix_auto_apply;	1961	$self->fix_auto_apply;
1605	$self->update_buttons;	1962	$self->update_buttons;
1606	Coro::cede;	1963	cf::cede_to_tick;
1607	$self->set_darkness_map;	1964	$self->set_darkness_map;
1608	Coro::cede;	1965	cf::cede_to_tick;
1609	$self->activate;	1966	$self->activate;
1610	}	1967	}
		1968
		1969	$self->{last_save} = $cf::RUNTIME;
		1970	$self->last_access ($cf::RUNTIME);
1611		1971
1612	$self->in_memory (cf::MAP_IN_MEMORY);	1972	$self->in_memory (cf::MAP_IN_MEMORY);
1613	}	1973	}
1614		1974
1615	$self->post_load;	1975	$self->post_load;
…		…
1626		1986
1627	$self	1987	$self
1628	}	1988	}
1629		1989
1630	# find and load all maps in the 3x3 area around a map	1990	# find and load all maps in the 3x3 area around a map
1631	sub load_diag {	1991	sub load_neighbours {
1632	my ($map) = @_;	1992	my ($map) = @_;
1633		1993
1634	my @diag; # diagonal neighbours	1994	my @neigh; # diagonal neighbours
1635		1995
1636	for (0 .. 3) {	1996	for (0 .. 3) {
1637	my $neigh = $map->tile_path ($_)	1997	my $neigh = $map->tile_path ($_)
1638	or next;	1998	or next;
1639	$neigh = find $neigh, $map	1999	$neigh = find $neigh, $map
1640	or next;	2000	or next;
1641	$neigh->load;	2001	$neigh->load;
1642		2002
		2003	push @neigh,
1643	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2004	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1644	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2005	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1645	}	2006	}
1646		2007
1647	for (@diag) {	2008	for (grep defined $_->[0], @neigh) {
		2009	my ($path, $origin) = @$_;
1648	my $neigh = find @$_	2010	my $neigh = find $path, $origin
1649	or next;	2011	or next;
1650	$neigh->load;	2012	$neigh->load;
1651	}	2013	}
1652	}	2014	}
1653		2015
…		…
1658	}	2020	}
1659		2021
1660	sub do_load_sync {	2022	sub do_load_sync {
1661	my ($map) = @_;	2023	my ($map) = @_;
1662		2024
		2025	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2026	if $Coro::current == $Coro::main;
		2027
1663	cf::sync_job { $map->load };	2028	cf::sync_job { $map->load };
1664	}	2029	}
1665		2030
1666	our %MAP_PREFETCH;	2031	our %MAP_PREFETCH;
1667	our $MAP_PREFETCHER = undef;	2032	our $MAP_PREFETCHER = undef;
1668		2033
1669	sub find_async {	2034	sub find_async {
1670	my ($path, $origin) = @_;	2035	my ($path, $origin, $load) = @_;
1671		2036
1672	$path = normalise $path, $origin && $origin->{path};	2037	$path = normalise $path, $origin && $origin->{path};
1673		2038
1674	if (my $map = $cf::MAP{$path}) {	2039	if (my $map = $cf::MAP{$path}) {
1675	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2040	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1676	}	2041	}
1677		2042
1678	undef $MAP_PREFETCH{$path};	2043	$MAP_PREFETCH{$path} |= $load;
		2044
1679	$MAP_PREFETCHER ||= cf::async {	2045	$MAP_PREFETCHER ||= cf::async {
		2046	$Coro::current->{desc} = "map prefetcher";
		2047
1680	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1681	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1682	my $map = find $path	2050	if (my $map = find $k) {
1683	or next;
1684	$map->load;	2051	$map->load if $v;
		2052	}
1685		2053
1686	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1687	}	2055	}
1688	}	2056	}
1689	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1690	};	2058	};
1691	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1694	}	2062	}
1695		2063
1696	sub save {	2064	sub save {
1697	my ($self) = @_;	2065	my ($self) = @_;
1698		2066
1699	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1700		2068
1701	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1702		2070
1703	return unless $self->dirty;	2071	return unless $self->dirty;
1704		2072
…		…
1710	return if $self->{deny_save};	2078	return if $self->{deny_save};
1711		2079
1712	local $self->{last_access} = $self->last_access;#d#	2080	local $self->{last_access} = $self->last_access;#d#
1713		2081
1714	cf::async {	2082	cf::async {
		2083	$Coro::current->{desc} = "map player save";
1715	$_->contr->save for $self->players;	2084	$_->contr->save for $self->players;
1716	};	2085	};
1717		2086
1718	if ($uniq) {	2087	if ($uniq) {
1719	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1727	my ($self) = @_;	2096	my ($self) = @_;
1728		2097
1729	# save first because save cedes	2098	# save first because save cedes
1730	$self->save;	2099	$self->save;
1731		2100
1732	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1733		2102
1734	return if $self->players;	2103	return if $self->players;
1735	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1736	return if $self->{deny_save};	2105	return if $self->{deny_save};
1737		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1738	$self->clear;	2111	$self->clear;
1739	$self->in_memory (cf::MAP_SWAPPED);
1740	}	2112	}
1741		2113
1742	sub reset_at {	2114	sub reset_at {
1743	my ($self) = @_;	2115	my ($self) = @_;
1744		2116
…		…
1776	if $uniq;	2148	if $uniq;
1777	}	2149	}
1778		2150
1779	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1780		2152
		2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1781	$self->clear;	2155	$self->clear;
1782
1783	$_->clear_links_to ($self) for values %cf::MAP;
1784		2156
1785	$self->unlink_save;	2157	$self->unlink_save;
1786	$self->destroy;	2158	$self->destroy;
1787	}	2159	}
1788		2160
1789	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1790		2162
1791	sub nuke {	2163	sub nuke {
1792	my ($self) = @_;	2164	my ($self) = @_;
1793		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
1794	delete $cf::MAP{$self->path};	2169	delete $cf::MAP{$self->path};
1795		2170
1796	$self->unlink_save;	2171	$self->unlink_save;
1797		2172
1798	bless $self, "cf::map";	2173	bless $self, "cf::map";
1799	delete $self->{deny_reset};	2174	delete $self->{deny_reset};
1800	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1801	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1802	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803		2178
1804	$cf::MAP{$self->path} = $self;	2179	$cf::MAP{$self->path} = $self;
		2180	}
1805		2181
1806	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
1807	}	2183	}
1808		2184
1809	=item $maps = cf::map::tmp_maps	2185	=item $maps = cf::map::tmp_maps
…		…
1885		2261
1886	sub inv_recursive {	2262	sub inv_recursive {
1887	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
1888	}	2264	}
1889		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2281	my ($uuid, $name) = ($1, $2);
		2282	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2283	or return;
		2284	$pl->ob->uuid eq $uuid
		2285	or return;
		2286
		2287	$pl->ob
		2288	} else {
		2289	warn "$ref: cannot resolve object reference\n";
		2290	undef
		2291	}
		2292	}
		2293
1890	package cf;	2294	package cf;
1891		2295
1892	=back	2296	=back
1893		2297
1894	=head3 cf::object::player	2298	=head3 cf::object::player
…		…
1911		2315
1912	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2316	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913		2317
1914	if ($self->{record_replies}) {	2318	if ($self->{record_replies}) {
1915	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2319	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2320
1916	} else {	2321	} else {
		2322	my $pl = $self->contr;
		2323
		2324	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2325	my $dialog = $pl->{npc_dialog};
		2326	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2327
		2328	} else {
1917	$msg = $npc->name . " says: $msg" if $npc;	2329	$msg = $npc->name . " says: $msg" if $npc;
1918	$self->message ($msg, $flags);	2330	$self->message ($msg, $flags);
		2331	}
1919	}	2332	}
		2333	}
		2334
		2335	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2336
		2337	=cut
		2338
		2339	sub cf::object::send_msg {
		2340	my $pl = shift->contr
		2341	or return;
		2342	$pl->send_msg (@_);
1920	}	2343	}
1921		2344
1922	=item $player_object->may ("access")	2345	=item $player_object->may ("access")
1923		2346
1924	Returns wether the given player is authorized to access resource "access"	2347	Returns wether the given player is authorized to access resource "access"
…		…
2003	# use -1 or undef as default coordinates, not 0, 0	2426	# use -1 or undef as default coordinates, not 0, 0
2004	($x, $y) = ($map->enter_x, $map->enter_y)	2427	($x, $y) = ($map->enter_x, $map->enter_y)
2005	if $x <=0 && $y <= 0;	2428	if $x <=0 && $y <= 0;
2006		2429
2007	$map->load;	2430	$map->load;
2008	$map->load_diag;	2431	$map->load_neighbours;
2009		2432
2010	return unless $self->contr->active;	2433	return unless $self->contr->active;
2011	$self->activate_recursive;	2434	$self->activate_recursive;
2012		2435
2013	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2436	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014	$self->enter_map ($map, $x, $y);	2437	$self->enter_map ($map, $x, $y);
2015	}	2438	}
2016		2439
2017	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2440	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018		2441
2019	Moves the player to the given map-path and coordinates by first freezing	2442	Moves the player to the given map-path and coordinates by first freezing
2020	her, loading and preparing them map, calling the provided $check callback	2443	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	2444	that has to return the map if sucecssful, and then unfreezes the player on
2022	the new (success) or old (failed) map position.	2445	the new (success) or old (failed) map position. In either case, $done will
		2446	be called at the end of this process.
2023		2447
2024	=cut	2448	=cut
2025		2449
2026	our $GOTOGEN;	2450	our $GOTOGEN;
2027		2451
2028	sub cf::object::player::goto {	2452	sub cf::object::player::goto {
2029	my ($self, $path, $x, $y, $check) = @_;	2453	my ($self, $path, $x, $y, $check, $done) = @_;
2030		2454
2031	# do generation counting so two concurrent goto's will be executed in-order	2455	# do generation counting so two concurrent goto's will be executed in-order
2032	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2456	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033		2457
2034	$self->enter_link;	2458	$self->enter_link;
2035		2459
2036	(async {	2460	(async {
		2461	$Coro::current->{desc} = "player::goto $path $x $y";
		2462
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
2037	my $map = eval {	2482	my $map = eval {
2038	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
2039		2484
2040	if ($map) {	2485	if ($map) {
2041	$map = $map->customise_for ($self);	2486	$map = $map->customise_for ($self);
2042	$map = $check->($map) if $check && $map;	2487	$map = $check->($map) if $check && $map;
2043	} else {	2488	} else {
2044	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045	}	2490	}
2046		2491
2047	$map	2492	$map
2048	};	2493	};
2049		2494
…		…
2054		2499
2055	if ($gen == $self->{_goto_generation}) {	2500	if ($gen == $self->{_goto_generation}) {
2056	delete $self->{_goto_generation};	2501	delete $self->{_goto_generation};
2057	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
2058	}	2503	}
		2504
		2505	$done->() if $done;
2059	})->prio (1);	2506	})->prio (1);
2060	}	2507	}
2061		2508
2062	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
2063		2510
…		…
2132	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
2133	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
2134		2581
2135	$self->enter_link;	2582	$self->enter_link;
2136		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
		2587
2137	(async {	2588	(async {
		2589	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2590
2138	$self->deactivate_recursive; # just to be sure	2591	$self->deactivate_recursive; # just to be sure
2139	unless (eval {	2592	unless (eval {
2140	$self->goto ($slaying, $hp, $sp);	2593	$self->goto ($slaying, $hp, $sp);
2141		2594
2142	1;	2595	1;
…		…
2168		2621
2169	utf8::encode $text;	2622	utf8::encode $text;
2170	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2623	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171	}	2624	}
2172		2625
		2626	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2627
		2628	Send a drawinfo or msg packet to the client, formatting the msg for the
		2629	client if neccessary. C<$type> should be a string identifying the type of
		2630	the message, with C<log> being the default. If C<$color> is negative, suppress
		2631	the message unless the client supports the msg packet.
		2632
		2633	=cut
		2634
		2635	our %CHANNEL = (
		2636	"c/identify" => {
		2637	id => "infobox",
		2638	title => "Identify",
		2639	reply => undef,
		2640	tooltip => "Items recently identified",
		2641	},
		2642	"c/examine" => {
		2643	id => "infobox",
		2644	title => "Examine",
		2645	reply => undef,
		2646	tooltip => "Signs and other items you examined",
		2647	},
		2648	"c/lookat" => {
		2649	id => "infobox",
		2650	title => "Look",
		2651	reply => undef,
		2652	tooltip => "What you saw there",
		2653	},
		2654	);
		2655
		2656	sub cf::client::send_msg {
		2657	my ($self, $channel, $msg, $color, @extra) = @_;
		2658
		2659	$msg = $self->pl->expand_cfpod ($msg);
		2660
		2661	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2662
		2663	# check predefined channels, for the benefit of C
		2664	if ($CHANNEL{$channel}) {
		2665	$channel = $CHANNEL{$channel};
		2666
		2667	$self->ext_msg (channel_info => $channel)
		2668	if $self->can_msg;
		2669
		2670	$channel = $channel->{id};
		2671
		2672	} elsif (ref $channel) {
		2673	# send meta info to client, if not yet sent
		2674	unless (exists $self->{channel}{$channel->{id}}) {
		2675	$self->{channel}{$channel->{id}} = $channel;
		2676	$self->ext_msg (channel_info => $channel)
		2677	if $self->can_msg;
		2678	}
		2679
		2680	$channel = $channel->{id};
		2681	}
		2682
		2683	return unless @extra || length $msg;
		2684
		2685	if ($self->can_msg) {
		2686	# default colour, mask it out
		2687	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2688	if $color & cf::NDI_DEF;
		2689
		2690	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2691	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2692	} else {
		2693	if ($color >= 0) {
		2694	# replace some tags by gcfclient-compatible ones
		2695	for ($msg) {
		2696	1 while
		2697	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2698	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2699	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2700	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2701	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2702	}
		2703
		2704	$color &= cf::NDI_COLOR_MASK;
		2705
		2706	utf8::encode $msg;
		2707
		2708	if (0 && $msg =~ /\[/) {
		2709	# COMMAND/INFO
		2710	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2711	} else {
		2712	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2713	$self->send_packet ("drawinfo $color $msg")
		2714	}
		2715	}
		2716	}
		2717	}
		2718
2173	=item $client->ext_event ($type, %msg)	2719	=item $client->ext_msg ($type, @msg)
2174		2720
2175	Sends an exti event to the client.	2721	Sends an ext event to the client.
2176		2722
2177	=cut	2723	=cut
2178		2724
2179	sub cf::client::ext_event($$%) {	2725	sub cf::client::ext_msg($$@) {
2180	my ($self, $type, %msg) = @_;	2726	my ($self, $type, @msg) = @_;
2181		2727
		2728	if ($self->extcmd == 2) {
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2730	} elsif ($self->extcmd == 1) { # TODO: remove
2182	$msg{msgtype} = "event_$type";	2731	push @msg, msgtype => "event_$type";
2183	$self->send_packet ("ext " . cf::to_json \%msg);	2732	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2733	}
		2734	}
		2735
		2736	=item $client->ext_reply ($msgid, @msg)
		2737
		2738	Sends an ext reply to the client.
		2739
		2740	=cut
		2741
		2742	sub cf::client::ext_reply($$@) {
		2743	my ($self, $id, @msg) = @_;
		2744
		2745	if ($self->extcmd == 2) {
		2746	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2747	} elsif ($self->extcmd == 1) {
		2748	#TODO: version 1, remove
		2749	unshift @msg, msgtype => "reply", msgid => $id;
		2750	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2751	}
2184	}	2752	}
2185		2753
2186	=item $success = $client->query ($flags, "text", \&cb)	2754	=item $success = $client->query ($flags, "text", \&cb)
2187		2755
2188	Queues a query to the client, calling the given callback with	2756	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>,	2757	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>.	2758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191		2759
2192	Queries can fail, so check the return code. Or don't, as queries will become	2760	Queries can fail, so check the return code. Or don't, as queries will
2193	reliable at some point in the future.	2761	become reliable at some point in the future.
2194		2762
2195	=cut	2763	=cut
2196		2764
2197	sub cf::client::query {	2765	sub cf::client::query {
2198	my ($self, $flags, $text, $cb) = @_;	2766	my ($self, $flags, $text, $cb) = @_;
…		…
2206	utf8::encode $text;	2774	utf8::encode $text;
2207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208		2776
2209	$self->send_packet ($self->{query_queue}[0][0])	2777	$self->send_packet ($self->{query_queue}[0][0])
2210	if @{ $self->{query_queue} } == 1;	2778	if @{ $self->{query_queue} } == 1;
		2779
		2780	1
2211	}	2781	}
2212		2782
2213	cf::client->attach (	2783	cf::client->attach (
		2784	on_connect => sub {
		2785	my ($ns) = @_;
		2786
		2787	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2788	},
2214	on_reply => sub {	2789	on_reply => sub {
2215	my ($ns, $msg) = @_;	2790	my ($ns, $msg) = @_;
2216		2791
2217	# this weird shuffling is so that direct followup queries	2792	# this weird shuffling is so that direct followup queries
2218	# get handled first	2793	# get handled first
…		…
2230	} else {	2805	} else {
2231	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2806	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232	}	2807	}
2233	}	2808	}
2234	},	2809	},
		2810	on_exticmd => sub {
		2811	my ($ns, $buf) = @_;
		2812
		2813	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2814
		2815	if (ref $msg) {
		2816	my ($type, $reply, @payload) =
		2817	"ARRAY" eq ref $msg
		2818	? @$msg
		2819	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2820
		2821	my @reply;
		2822
		2823	if (my $cb = $EXTICMD{$type}) {
		2824	@reply = $cb->($ns, @payload);
		2825	}
		2826
		2827	$ns->ext_reply ($reply, @reply)
		2828	if $reply;
		2829
		2830	} else {
		2831	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2832	}
		2833
		2834	cf::override;
		2835	},
2235	);	2836	);
2236		2837
2237	=item $client->async (\&cb)	2838	=item $client->async (\&cb)
2238		2839
2239	Create a new coroutine, running the specified callback. The coroutine will	2840	Create a new coroutine, running the specified callback. The coroutine will
…		…
2280	our $safe = new Safe "safe";	2881	our $safe = new Safe "safe";
2281	our $safe_hole = new Safe::Hole;	2882	our $safe_hole = new Safe::Hole;
2282		2883
2283	$SIG{FPE} = 'IGNORE';	2884	$SIG{FPE} = 'IGNORE';
2284		2885
2285	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2886	$safe->permit_only (Opcode::opset qw(
		2887	:base_core :base_mem :base_orig :base_math
		2888	grepstart grepwhile mapstart mapwhile
		2889	sort time
		2890	));
2286		2891
2287	# here we export the classes and methods available to script code	2892	# here we export the classes and methods available to script code
2288		2893
2289	=pod	2894	=pod
2290		2895
2291	The following functions and methods are available within a safe environment:	2896	The following functions and methods are available within a safe environment:
2292		2897
2293	cf::object contr pay_amount pay_player map	2898	cf::object
		2899	contr pay_amount pay_player map x y force_find force_add
		2900	insert remove name archname title slaying race decrease_ob_nr
		2901
2294	cf::object::player player	2902	cf::object::player
2295	cf::player peaceful	2903	player
2296	cf::map trigger	2904
		2905	cf::player
		2906	peaceful
		2907
		2908	cf::map
		2909	trigger
2297		2910
2298	=cut	2911	=cut
2299		2912
2300	for (	2913	for (
2301	["cf::object" => qw(contr pay_amount pay_player map)],	2914	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2915	insert remove inv name archname title slaying race
		2916	decrease_ob_nr)],
2302	["cf::object::player" => qw(player)],	2917	["cf::object::player" => qw(player)],
2303	["cf::player" => qw(peaceful)],	2918	["cf::player" => qw(peaceful)],
2304	["cf::map" => qw(trigger)],	2919	["cf::map" => qw(trigger)],
2305	) {	2920	) {
2306	no strict 'refs';	2921	no strict 'refs';
…		…
2377	=back	2992	=back
2378		2993
2379	=cut	2994	=cut
2380		2995
2381	#############################################################################	2996	#############################################################################
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 $@;
2549	_exit 0;
2550	}
2551	}
2552
2553	#############################################################################
2554	# the server's init and main functions	2997	# the server's init and main functions
2555		2998
2556	sub load_facedata($) {	2999	sub load_facedata($) {
2557	my ($path) = @_;	3000	my ($path) = @_;
		3001
		3002	# HACK to clear player env face cache, we need some signal framework
		3003	# for this (global event?)
		3004	%ext::player_env::MUSIC_FACE_CACHE = ();
		3005
		3006	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558		3007
2559	warn "loading facedata from $path\n";	3008	warn "loading facedata from $path\n";
2560		3009
2561	my $facedata;	3010	my $facedata;
2562	0 < aio_load $path, $facedata	3011	0 < aio_load $path, $facedata
…		…
2565	$facedata = Coro::Storable::thaw $facedata;	3014	$facedata = Coro::Storable::thaw $facedata;
2566		3015
2567	$facedata->{version} == 2	3016	$facedata->{version} == 2
2568	or cf::cleanup "$path: version mismatch, cannot proceed.";	3017	or cf::cleanup "$path: version mismatch, cannot proceed.";
2569		3018
		3019	# patch in the exptable
		3020	$facedata->{resource}{"res/exp_table"} = {
		3021	type => FT_RSRC,
		3022	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3023	};
		3024	cf::cede_to_tick;
		3025
2570	{	3026	{
2571	my $faces = $facedata->{faceinfo};	3027	my $faces = $facedata->{faceinfo};
2572		3028
2573	while (my ($face, $info) = each %$faces) {	3029	while (my ($face, $info) = each %$faces) {
2574	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3030	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2575	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3031	cf::face::set_visibility $idx, $info->{visibility};
		3032	cf::face::set_magicmap $idx, $info->{magicmap};
2576	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3033	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3034	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578	Coro::cede;	3035
		3036	cf::cede_to_tick;
2579	}	3037	}
2580		3038
2581	while (my ($face, $info) = each %$faces) {	3039	while (my ($face, $info) = each %$faces) {
2582	next unless $info->{smooth};	3040	next unless $info->{smooth};
2583	my $idx = cf::face::find $face	3041	my $idx = cf::face::find $face
2584	or next;	3042	or next;
2585	if (my $smooth = cf::face::find $info->{smooth}) {	3043	if (my $smooth = cf::face::find $info->{smooth}) {
		3044	cf::face::set_smooth $idx, $smooth;
2586	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3045	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587	} else {	3046	} else {
2588	warn "smooth face '$info->{smooth}' not found for face '$face'";	3047	warn "smooth face '$info->{smooth}' not found for face '$face'";
2589	}	3048	}
2590	Coro::cede;	3049
		3050	cf::cede_to_tick;
2591	}	3051	}
2592	}	3052	}
2593		3053
2594	{	3054	{
2595	my $anims = $facedata->{animinfo};	3055	my $anims = $facedata->{animinfo};
2596		3056
2597	while (my ($anim, $info) = each %$anims) {	3057	while (my ($anim, $info) = each %$anims) {
2598	cf::anim::set $anim, $info->{frames}, $info->{facings};	3058	cf::anim::set $anim, $info->{frames}, $info->{facings};
2599	Coro::cede;	3059	cf::cede_to_tick;
2600	}	3060	}
2601		3061
2602	cf::anim::invalidate_all; # d'oh	3062	cf::anim::invalidate_all; # d'oh
2603	}	3063	}
2604		3064
		3065	{
		3066	# TODO: for gcfclient pleasure, we should give resources
		3067	# that gcfclient doesn't grok a >10000 face index.
		3068	my $res = $facedata->{resource};
		3069
		3070	my $soundconf = delete $res->{"res/sound.conf"};
		3071
		3072	while (my ($name, $info) = each %$res) {
		3073	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3074	my $data;
		3075
		3076	if ($info->{type} & 1) {
		3077	# prepend meta info
		3078
		3079	my $meta = $enc->encode ({
		3080	name => $name,
		3081	%{ $info->{meta} || {} },
		3082	});
		3083
		3084	$data = pack "(w/a*)*", $meta, $info->{data};
		3085	} else {
		3086	$data = $info->{data};
		3087	}
		3088
		3089	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3090	cf::face::set_type $idx, $info->{type};
		3091
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	if ($soundconf) {
		3096	$soundconf = $enc->decode (delete $soundconf->{data});
		3097
		3098	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3099	my $sound = $soundconf->{compat}[$_]
		3100	or next;
		3101
		3102	my $face = cf::face::find "sound/$sound->[1]";
		3103	cf::sound::set $sound->[0] => $face;
		3104	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3105	}
		3106
		3107	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3108	my $face = cf::face::find "sound/$v";
		3109	cf::sound::set $k => $face;
		3110	}
		3111	}
		3112	}
		3113
2605	1	3114	1
2606	}	3115	}
2607		3116
		3117	register_exticmd fx_want => sub {
		3118	my ($ns, $want) = @_;
		3119
		3120	while (my ($k, $v) = each %$want) {
		3121	$ns->fx_want ($k, $v);
		3122	}
		3123	};
		3124
2608	sub reload_regions {	3125	sub reload_regions {
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
2609	load_resource_file "$MAPDIR/regions"	3130	load_resource_file "$MAPDIR/regions"
2610	or die "unable to load regions file\n";	3131	or die "unable to load regions file\n";
		3132
		3133	for (cf::region::list) {
		3134	$_->{match} = qr/$_->{match}/
		3135	if exists $_->{match};
		3136	}
2611	}	3137	}
2612		3138
2613	sub reload_facedata {	3139	sub reload_facedata {
2614	load_facedata "$DATADIR/facedata"	3140	load_facedata "$DATADIR/facedata"
2615	or die "unable to load facedata\n";	3141	or die "unable to load facedata\n";
2616	}	3142	}
2617		3143
2618	sub reload_archetypes {	3144	sub reload_archetypes {
		3145	load_resource_file "$DATADIR/archetypes"
		3146	or die "unable to load archetypes\n";
		3147	#d# NEED to laod twice to resolve forward references
		3148	# this really needs to be done in an extra post-pass
		3149	# (which needs to be synchronous, so solve it differently)
2619	load_resource_file "$DATADIR/archetypes"	3150	load_resource_file "$DATADIR/archetypes"
2620	or die "unable to load archetypes\n";	3151	or die "unable to load archetypes\n";
2621	}	3152	}
2622		3153
2623	sub reload_treasures {	3154	sub reload_treasures {
…		…
2639		3170
2640	sub init {	3171	sub init {
2641	reload_resources;	3172	reload_resources;
2642	}	3173	}
2643		3174
2644	sub cfg_load {	3175	sub reload_config {
2645	open my $fh, "<:utf8", "$CONFDIR/config"	3176	open my $fh, "<:utf8", "$CONFDIR/config"
2646	or return;	3177	or return;
2647		3178
2648	local $/;	3179	local $/;
2649	*CFG = YAML::Syck::Load <$fh>;	3180	*CFG = YAML::Syck::Load <$fh>;
…		…
2665	sub main {	3196	sub main {
2666	# we must not ever block the main coroutine	3197	# we must not ever block the main coroutine
2667	local $Coro::idle = sub {	3198	local $Coro::idle = sub {
2668	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3199	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669	(async {	3200	(async {
		3201	$Coro::current->{desc} = "IDLE BUG HANDLER";
2670	Event::one_event;	3202	Event::one_event;
2671	})->prio (Coro::PRIO_MAX);	3203	})->prio (Coro::PRIO_MAX);
2672	};	3204	};
2673		3205
2674	cfg_load;	3206	reload_config;
2675	db_init;	3207	db_init;
2676	load_extensions;	3208	load_extensions;
2677		3209
2678	$TICK_WATCHER->start;	3210	$TICK_WATCHER->start;
2679	Event::loop;	3211	Event::loop;
…		…
2695	},	3227	},
2696	);	3228	);
2697	}	3229	}
2698	}	3230	}
2699		3231
		3232	sub write_runtime {
		3233	my $runtime = "$LOCALDIR/runtime";
		3234
		3235	# first touch the runtime file to show we are still running:
		3236	# the fsync below can take a very very long time.
		3237
		3238	IO::AIO::aio_utime $runtime, undef, undef;
		3239
		3240	my $guard = cf::lock_acquire "write_runtime";
		3241
		3242	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3243	or return;
		3244
		3245	my $value = $cf::RUNTIME + 90 + 10;
		3246	# 10 is the runtime save interval, for a monotonic clock
		3247	# 60 allows for the watchdog to kill the server.
		3248
		3249	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3250	and return;
		3251
		3252	# always fsync - this file is important
		3253	aio_fsync $fh
		3254	and return;
		3255
		3256	# touch it again to show we are up-to-date
		3257	aio_utime $fh, undef, undef;
		3258
		3259	close $fh
		3260	or return;
		3261
		3262	aio_rename "$runtime~", $runtime
		3263	and return;
		3264
		3265	warn "runtime file written.\n";
		3266
		3267	1
		3268	}
		3269
2700	sub emergency_save() {	3270	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3271	my $freeze_guard = cf::freeze_mainloop;
2702		3272
2703	warn "enter emergency perl save\n";	3273	warn "enter emergency perl save\n";
2704		3274
…		…
2779	%EXT_CORO = ();	3349	%EXT_CORO = ();
2780		3350
2781	warn "removing commands";	3351	warn "removing commands";
2782	%COMMAND = ();	3352	%COMMAND = ();
2783		3353
2784	warn "removing ext commands";	3354	warn "removing ext/exti commands";
2785	%EXTCMD = ();	3355	%EXTCMD = ();
		3356	%EXTICMD = ();
2786		3357
2787	warn "unloading/nuking all extensions";	3358	warn "unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	3359	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	3360	warn "... unloading $pkg";
2790		3361
…		…
2833	warn "reloading cf.pm";	3404	warn "reloading cf.pm";
2834	require cf;	3405	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3406	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836		3407
2837	warn "loading config and database again";	3408	warn "loading config and database again";
2838	cf::cfg_load;	3409	cf::reload_config;
2839		3410
2840	warn "loading extensions";	3411	warn "loading extensions";
2841	cf::load_extensions;	3412	cf::load_extensions;
2842		3413
2843	warn "reattaching attachments to objects/players";	3414	warn "reattaching attachments to objects/players";
…		…
2879	register_command "reload" => sub {	3450	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	3451	my ($who, $arg) = @_;
2881		3452
2882	if ($who->flag (FLAG_WIZ)) {	3453	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	3454	$who->message ("reloading server.");
		3455	async {
		3456	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	3457	reload_perl;
		3458	};
2885	}	3459	}
2886	};	3460	};
2887		3461
2888	unshift @INC, $LIBDIR;	3462	unshift @INC, $LIBDIR;
2889		3463
…		…
2908	my $signal = new Coro::Signal;	3482	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	3483	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	3484	$signal->wait;
2911	}	3485	}
2912		3486
2913	my $min = 1e6;#d#
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (	3487	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,	3488	reentrant => 0,
2917	parked => 1,	3489	parked => 1,
2918	prio => 0,	3490	prio => 0,
2919	at => $NEXT_TICK || $TICK,	3491	at => $NEXT_TICK || $TICK,
…		…
2927		3499
2928	$NOW = $tick_start = Event::time;	3500	$NOW = $tick_start = Event::time;
2929		3501
2930	cf::server_tick; # one server iteration	3502	cf::server_tick; # one server iteration
2931		3503
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;	3504	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;	3505	$NEXT_TICK += $TICK;
2957		3506
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3507	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;	3508	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {	3509	Coro::async_pool {
		3510	$Coro::current->{desc} = "runtime saver";
2961	write_runtime	3511	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";	3512	or warn "ERROR: unable to write runtime file: $!";
2963	};	3513	};
2964	}	3514	}
2965		3515
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3516	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	3517	$sig->send;
2971	}	3518	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	3519	while (my $sig = shift @WAIT_FOR_TICK) {
2973	$sig->send;	3520	$sig->send;
…		…
2983		3530
2984	$LOAD = ($NOW - $tick_start) / $TICK;	3531	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3532	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		3533
2987	_post_tick;	3534	_post_tick;
2988
2989
2990	},	3535	},
2991	);	3536	);
2992		3537
2993	{	3538	{
		3539	BDB::min_parallel 8;
2994	BDB::max_poll_time $TICK * 0.1;	3540	BDB::max_poll_time $TICK * 0.1;
2995	$BDB_POLL_WATCHER = Event->io (	3541	$BDB_POLL_WATCHER = Event->io (
2996	reentrant => 0,	3542	reentrant => 0,
2997	fd => BDB::poll_fileno,	3543	fd => BDB::poll_fileno,
2998	poll => 'r',	3544	poll => 'r',
2999	prio => 0,	3545	prio => 0,
3000	data => WF_AUTOCANCEL,	3546	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,	3547	cb => \&BDB::poll_cb,
3002	);	3548	);
3003	BDB::min_parallel 8;
3004		3549
3005	BDB::set_sync_prepare {	3550	BDB::set_sync_prepare {
3006	my $status;	3551	my $status;
3007	my $current = $Coro::current;	3552	my $current = $Coro::current;
3008	(	3553	(
…		…
3017	)	3562	)
3018	};	3563	};
3019		3564
3020	unless ($DB_ENV) {	3565	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	3566	$DB_ENV = BDB::db_env_create;
		3567	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3568	| BDB::LOG_AUTOREMOVE, 1);
		3569	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3570	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		3571
3023	cf::sync_job {	3572	cf::sync_job {
3024	eval {	3573	eval {
3025	BDB::db_env_open	3574	BDB::db_env_open
3026	$DB_ENV,	3575	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	3579	0666;
3031		3580
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3581	cf::cleanup "db_env_open($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	};	3582	};
3037		3583
3038	cf::cleanup "db_env_open(db): $@" if $@;	3584	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	3585	};
3040	}	3586	}
		3587
		3588	$BDB_DEADLOCK_WATCHER = Event->timer (
		3589	after => 3,
		3590	interval => 1,
		3591	hard => 1,
		3592	prio => 0,
		3593	data => WF_AUTOCANCEL,
		3594	cb => sub {
		3595	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3596	},
		3597	);
		3598	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3599	after => 11,
		3600	interval => 60,
		3601	hard => 1,
		3602	prio => 0,
		3603	data => WF_AUTOCANCEL,
		3604	cb => sub {
		3605	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3606	},
		3607	);
		3608	$BDB_TRICKLE_WATCHER = Event->timer (
		3609	after => 5,
		3610	interval => 10,
		3611	hard => 1,
		3612	prio => 0,
		3613	data => WF_AUTOCANCEL,
		3614	cb => sub {
		3615	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3616	},
		3617	);
3041	}	3618	}
3042		3619
3043	{	3620	{
3044	IO::AIO::min_parallel 8;	3621	IO::AIO::min_parallel 8;
3045		3622
…		…
3048	$AIO_POLL_WATCHER = Event->io (	3625	$AIO_POLL_WATCHER = Event->io (
3049	reentrant => 0,	3626	reentrant => 0,
3050	data => WF_AUTOCANCEL,	3627	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,	3628	fd => IO::AIO::poll_fileno,
3052	poll => 'r',	3629	poll => 'r',
3053	prio => 6,	3630	prio => 0,
3054	cb => \&IO::AIO::poll_cb,	3631	cb => \&IO::AIO::poll_cb,
3055	);	3632	);
3056	}	3633	}
3057		3634
3058	my $_log_backtrace;	3635	my $_log_backtrace;
…		…
3064		3641
3065	# limit the # of concurrent backtraces	3642	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	3643	if ($_log_backtrace < 2) {
3067	++$_log_backtrace;	3644	++$_log_backtrace;
3068	async {	3645	async {
		3646	$Coro::current->{desc} = "abt $msg";
		3647
3069	my @bt = fork_call {	3648	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	3649	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3650	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3651	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	3652	or die "addr2line: $!";

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