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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
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 2.51 ();
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, 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
356	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
357	Coro::cede or Event::one_event;	452	Event::one_event;
		453	}
358	}	454	}
359		455
360	$time = Event::time - $time;	456	$time = Event::time - $time;
361		457
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"	458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
…		…
390	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
391		487
392	$coro	488	$coro
393	}	489	}
394		490
395	sub write_runtime {	491	=item fork_call { }, $args
396	my $runtime = "$LOCALDIR/runtime";
397		492
398	# first touch the runtime file to show we are still running:	493	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
400		497
401	IO::AIO::aio_utime $runtime, undef, undef;	498	=cut
402		499
403	my $guard = cf::lock_acquire "write_runtime";	500	sub fork_call(&@) {
		501	my ($cb, @args) = @_;
404		502
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	503	# we seemingly have to make a local copy of the whole thing,
406	or return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
407		506
408	my $value = $cf::RUNTIME + 90 + 10;	507	my @res = Coro::Util::fork_eval {
409	# 10 is the runtime save interval, for a monotonic clock	508	reset_signals;
410	# 60 allows for the watchdog to kill the server.	509	&$cb
		510	}, @args;
411		511
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	512	wantarray ? @res : $res[-1]
413	and return;	513	}
414		514
415	# always fsync - this file is important	515	=item $value = cf::db_get $family => $key
416	aio_fsync $fh
417	and return;
418		516
419	# touch it again to show we are up-to-date	517	Returns a single value from the environment database.
420	aio_utime $fh, undef, undef;
421		518
422	close $fh	519	=item cf::db_put $family => $key => $value
423	or return;
424		520
425	aio_rename "$runtime~", $runtime	521	Stores the given C<$value> in the family. It can currently store binary
426	and return;	522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
427		523
428	warn "runtime file written.\n";	524	=item $db = cf::db_table "name"
429		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
430	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
431	}	640	}
432		641
433	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
434		643
435	Log a datalog packet of the given type with the given key-value pairs.	644	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")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
455		664
456	In the following description, CLASS can be any of C<global>, C<object>	665	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	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	667	Crossfire TRT).
459		668
460	=over 4	669	=over 4
461		670
462	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
463		672
…		…
715	";	924	";
716	die if $@;	925	die if $@;
717	}	926	}
718		927
719	our $override;	928	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		930
722	sub override {	931	sub override {
723	$override = 1;	932	$override = 1;
724	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
725	}	934	}
726		935
727	sub do_invoke {	936	sub do_invoke {
728	my $event = shift;	937	my $event = shift;
729	my $callbacks = shift;	938	my $callbacks = shift;
730		939
731	@invoke_results = ();	940	@INVOKE_RESULTS = ();
732		941
733	local $override;	942	local $override;
734		943
735	for (@$callbacks) {	944	for (@$callbacks) {
736	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
753		962
754	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
755		964
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	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	966	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		968
760	=back	969	=back
761		970
762	=cut	971	=cut
763		972
764	#############################################################################	973	#############################################################################
765	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
766		1017
767	sub reattach {	1018	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1020	my ($obj) = @_;
770		1021
…		…
817	sub object_freezer_save {	1068	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
819		1070
820	sync_job {	1071	sync_job {
821	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
824		1076
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
829	close $fh;	1081	close $fh;
830		1082
831	if (@$objs) {	1083	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
837	close $fh;	1089	close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
839	}	1091	}
…		…
847	}	1099	}
848	} else {	1100	} else {
849	aio_unlink $filename;	1101	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
851	}	1103	}
852	}	1104	};
853	}	1105	}
854		1106
855	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
857		1109
…		…
869	or return;	1121	or return;
870		1122
871	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
873	or return;	1125	or return;
		1126
874	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
875	}	1129	}
876		1130
		1131	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1133	$decname, length $data, scalar @{$av || []};
		1134
879	return ($data, $av);	1135	($data, $av)
880	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
881		1143
882	#############################################################################	1144	#############################################################################
883	# command handling &c	1145	# command handling &c
884		1146
885	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1161	}
900		1162
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1164
903	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
904		1170
905	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
906	called.	1172	called.
907		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
908	=cut	1185	=cut
909		1186
910	sub register_extcmd {	1187	sub register_extcmd {
911	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
912		1189
913	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
914	}	1197	}
915		1198
916	cf::player->attach (	1199	cf::player->attach (
917	on_command => sub {	1200	on_command => sub {
918	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1210	cf::override;
928	},	1211	},
929	on_extcmd => sub {	1212	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
931		1214
932	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1216
934	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
940	} else {	1232	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1234	}
943		1235
944	cf::override;	1236	cf::override;
…		…
1018	};	1310	};
1019	}	1311	}
1020		1312
1021	#############################################################################	1313	#############################################################################
1022		1314
		1315	=back
		1316
1023	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
1024		1318
1025	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
1026		1320
1027	=cut	1321	=cut
…		…
1031	use Coro::AIO;	1325	use Coro::AIO;
1032		1326
1033	=head3 cf::player	1327	=head3 cf::player
1034		1328
1035	=over 4	1329	=over 4
		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
1036		1344
1037	=item cf::player::find $login	1345	=item cf::player::find $login
1038		1346
1039	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
1040		1348
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1388
1081	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1084	}	1397	}
1085	}	1398	}
1086	}	1399	}
1087		1400
…		…
1097		1410
1098	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1100		1413
1101	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1102	Coro::cede;	1415	cf::cede_to_tick;
1103	}	1416	}
1104		1417
1105	sub new($) {	1418	sub new($) {
1106	my ($login) = @_;	1419	my ($login) = @_;
1107		1420
…		…
1111	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1112		1425
1113	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1114		1427
1115	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1116	}	1439	}
1117		1440
1118	=item $pl->quit_character	1441	=item $pl->quit_character
1119		1442
1120	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1175	or return [];	1498	or return [];
1176		1499
1177	my @logins;	1500	my @logins;
1178		1501
1179	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1183		1511
1184	utf8::decode $login;	1512	utf8::decode $login;
1185	push @logins, $login;	1513	push @logins, $login;
1186	}	1514	}
1187		1515
…		…
1214	}	1542	}
1215		1543
1216	\@paths	1544	\@paths
1217	}	1545	}
1218		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1219	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1220		1599
1221	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1222		1601
1223	=cut	1602	=cut
1224		1603
1225	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1226	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1227		1606
1228	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}	1608	}
1232		1609
1233	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1234		1611
1235	Sends an ext event to the client.	1612	Sends an ext event to the client.
1236		1613
1237	=cut	1614	=cut
1238		1615
1239	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1241		1618
1242	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1243	}	1620	}
1244		1621
1245	=head3 cf::region	1622	=head3 cf::region
1246		1623
1247	=over 4	1624	=over 4
…		…
1250		1627
1251	package cf::region;	1628	package cf::region;
1252		1629
1253	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1254		1631
1255	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1256		1633
1257	=cut	1634	=cut
1258		1635
1259	sub find_by_path($) {	1636	sub find_by_path($) {
1260	my ($path) = @_;	1637	my ($path) = @_;
1261		1638
1262	my ($match, $specificity);	1639	my ($match, $specificity);
1263		1640
1264	for my $region (list) {	1641	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1268	}	1645	}
1269	}	1646	}
1270		1647
…		…
1390	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1391	return $self;	1768	return $self;
1392	}	1769	}
1393	}	1770	}
1394		1771
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1396	()	1773	()
1397	}	1774	}
1398		1775
1399	sub init {	1776	sub init {
1400	my ($self) = @_;	1777	my ($self) = @_;
…		…
1463		1840
1464	sub load_header_from($) {	1841	sub load_header_from($) {
1465	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1466		1843
1467	utf8::encode $path;	1844	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1473		1853
1474	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1475		1855
1476	1	1856	1
1477	}	1857	}
…		…
1531	sub find {	1911	sub find {
1532	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1533		1913
1534	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1535		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1537		1918
1538	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1540	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1541	or return;	1924	or return;
1542		1925
1543	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1544		1927
…		…
1546	or return;	1929	or return;
1547		1930
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1551	$map->reset;	1936	$map->reset;
1552	undef $guard;
1553	return find $path;	1937	return find $path;
1554	}	1938	}
1555		1939
1556	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1557	}	1941	}
…		…
1566	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1567		1951
1568	my $path = $self->{path};	1952	my $path = $self->{path};
1569		1953
1570	{	1954	{
1571	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1572		1956
		1957	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1574		1959
1575	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1576		1961
1577	$self->alloc;	1962	$self->alloc;
1578		1963
1579	$self->pre_load;	1964	$self->pre_load;
1580	Coro::cede;	1965	cf::cede_to_tick;
1581		1966
		1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
1582	$self->_load_objects ($self->{load_path}, 1)	1969	$self->_load_objects ($f)
1583	or return;	1970	or return;
1584		1971
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1586	if delete $self->{load_original};	1973	if delete $self->{load_original};
1587		1974
1588	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	1976	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	1979	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1593	}	1983	}
1594	}	1984	}
1595		1985
1596	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1597	# now do the right thing for maps	1989	# now do the right thing for maps
1598	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	1992	unless $self->difficulty;
1601	Coro::cede;	1993	cf::cede_to_tick;
1602		1994
1603	unless ($self->{deny_activate}) {	1995	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	1996	$self->decay_objects;
1605	$self->fix_auto_apply;	1997	$self->fix_auto_apply;
1606	$self->update_buttons;	1998	$self->update_buttons;
1607	Coro::cede;	1999	cf::cede_to_tick;
1608	$self->set_darkness_map;	2000	$self->set_darkness_map;
1609	Coro::cede;	2001	cf::cede_to_tick;
1610	$self->activate;	2002	$self->activate;
1611	}	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
1612		2007
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2008	$self->in_memory (cf::MAP_IN_MEMORY);
1614	}	2009	}
1615		2010
1616	$self->post_load;	2011	$self->post_load;
…		…
1627		2022
1628	$self	2023	$self
1629	}	2024	}
1630		2025
1631	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {	2027	sub load_neighbours {
1633	my ($map) = @_;	2028	my ($map) = @_;
1634		2029
1635	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1636		2031
1637	for (0 .. 3) {	2032	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1639	or next;	2034	or next;
1640	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1641	or next;	2036	or next;
1642	$neigh->load;	2037	$neigh->load;
1643		2038
		2039	push @neigh,
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}	2042	}
1647		2043
1648	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1649	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1650	or next;	2047	or next;
1651	$neigh->load;	2048	$neigh->load;
1652	}	2049	}
1653	}	2050	}
1654		2051
…		…
1659	}	2056	}
1660		2057
1661	sub do_load_sync {	2058	sub do_load_sync {
1662	my ($map) = @_;	2059	my ($map) = @_;
1663		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1664	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1665	}	2065	}
1666		2066
1667	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1669		2069
1670	sub find_async {	2070	sub find_async {
1671	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1672		2072
1673	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1674		2074
1675	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1677	}	2077	}
1678		2078
1679	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1680	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1681	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2086	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2087	$map->load if $v;
		2088	}
1686		2089
1687	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1688	}	2091	}
1689	}	2092	}
1690	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1691	};	2094	};
1692	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1695	}	2098	}
1696		2099
1697	sub save {	2100	sub save {
1698	my ($self) = @_;	2101	my ($self) = @_;
1699		2102
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1701		2104
1702	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1703		2106
1704	return unless $self->dirty;	2107	return unless $self->dirty;
1705		2108
…		…
1711	return if $self->{deny_save};	2114	return if $self->{deny_save};
1712		2115
1713	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1714		2117
1715	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1717	};	2121	};
1718		2122
1719	if ($uniq) {	2123	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1728	my ($self) = @_;	2132	my ($self) = @_;
1729		2133
1730	# save first because save cedes	2134	# save first because save cedes
1731	$self->save;	2135	$self->save;
1732		2136
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2138
1735	return if $self->players;	2139	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};	2141	return if $self->{deny_save};
1738		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1739	$self->clear;	2147	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2148	}
1742		2149
1743	sub reset_at {	2150	sub reset_at {
1744	my ($self) = @_;	2151	my ($self) = @_;
1745		2152
…		…
1777	if $uniq;	2184	if $uniq;
1778	}	2185	}
1779		2186
1780	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1781		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2191	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2192
1786	$self->unlink_save;	2193	$self->unlink_save;
1787	$self->destroy;	2194	$self->destroy;
1788	}	2195	}
1789		2196
1790	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1791		2198
1792	sub nuke {	2199	sub nuke {
1793	my ($self) = @_;	2200	my ($self) = @_;
1794		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1795	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1796		2206
1797	$self->unlink_save;	2207	$self->unlink_save;
1798		2208
1799	bless $self, "cf::map";	2209	bless $self, "cf::map";
1800	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2214
1805	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1806		2217
1807	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
1808	}	2219	}
1809		2220
1810	=item $maps = cf::map::tmp_maps	2221	=item $maps = cf::map::tmp_maps
…		…
1886		2297
1887	sub inv_recursive {	2298	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
1889	}	2300	}
1890		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
		2328	}
		2329
1891	package cf;	2330	package cf;
1892		2331
1893	=back	2332	=back
1894		2333
1895	=head3 cf::object::player	2334	=head3 cf::object::player
…		…
1912		2351
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2353
1915	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1917	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1920	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1921	}	2379	}
1922		2380
1923	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1924		2382
1925	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
2004	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
2007		2465
2008	$map->load;	2466	$map->load;
2009	$map->load_diag;	2467	$map->load_neighbours;
2010		2468
2011	return unless $self->contr->active;	2469	return unless $self->contr->active;
2012	$self->activate_recursive;	2470	$self->activate_recursive;
2013		2471
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
2016	}	2474	}
2017		2475
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2019		2477
2020	Moves the player to the given map-path and coordinates by first freezing	2478	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2479	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2480	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2481	the new (success) or old (failed) map position. In either case, $done will
		2482	be called at the end of this process.
2024		2483
2025	=cut	2484	=cut
2026		2485
2027	our $GOTOGEN;	2486	our $GOTOGEN;
2028		2487
2029	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
2031		2490
2032	# do generation counting so two concurrent goto's will be executed in-order	2491	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2493
2035	$self->enter_link;	2494	$self->enter_link;
2036		2495
2037	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
2038	my $map = eval {	2518	my $map = eval {
2039	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
2040		2520
2041	if ($map) {	2521	if ($map) {
2042	$map = $map->customise_for ($self);	2522	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2523	$map = $check->($map) if $check && $map;
2044	} else {	2524	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2526	}
2047		2527
2048	$map	2528	$map
2049	};	2529	};
2050		2530
…		…
2055		2535
2056	if ($gen == $self->{_goto_generation}) {	2536	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2537	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
2059	}	2539	}
		2540
		2541	$done->() if $done;
2060	})->prio (1);	2542	})->prio (1);
2061	}	2543	}
2062		2544
2063	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
2064		2546
…		…
2133	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2135		2617
2136	$self->enter_link;	2618	$self->enter_link;
2137		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2138	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2139	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2140	unless (eval {	2628	unless (eval {
2141	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2142		2630
2143	1;	2631	1;
…		…
2169		2657
2170	utf8::encode $text;	2658	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	2660	}
2173		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/book" => {
		2685	id => "infobox",
		2686	title => "Book",
		2687	reply => undef,
		2688	tooltip => "The contents of a note or book",
		2689	},
		2690	"c/lookat" => {
		2691	id => "infobox",
		2692	title => "Look",
		2693	reply => undef,
		2694	tooltip => "What you saw there",
		2695	},
		2696	);
		2697
		2698	sub cf::client::send_msg {
		2699	my ($self, $channel, $msg, $color, @extra) = @_;
		2700
		2701	$msg = $self->pl->expand_cfpod ($msg);
		2702
		2703	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2704
		2705	# check predefined channels, for the benefit of C
		2706	if ($CHANNEL{$channel}) {
		2707	$channel = $CHANNEL{$channel};
		2708
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711
		2712	$channel = $channel->{id};
		2713
		2714	} elsif (ref $channel) {
		2715	# send meta info to client, if not yet sent
		2716	unless (exists $self->{channel}{$channel->{id}}) {
		2717	$self->{channel}{$channel->{id}} = $channel;
		2718	$self->ext_msg (channel_info => $channel)
		2719	if $self->can_msg;
		2720	}
		2721
		2722	$channel = $channel->{id};
		2723	}
		2724
		2725	return unless @extra || length $msg;
		2726
		2727	if ($self->can_msg) {
		2728	# default colour, mask it out
		2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2730	if $color & cf::NDI_DEF;
		2731
		2732	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2734	} else {
		2735	if ($color >= 0) {
		2736	# replace some tags by gcfclient-compatible ones
		2737	for ($msg) {
		2738	1 while
		2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2744	}
		2745
		2746	$color &= cf::NDI_COLOR_MASK;
		2747
		2748	utf8::encode $msg;
		2749
		2750	if (0 && $msg =~ /\[/) {
		2751	# COMMAND/INFO
		2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2753	} else {
		2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2755	$self->send_packet ("drawinfo $color $msg")
		2756	}
		2757	}
		2758	}
		2759	}
		2760
2174	=item $client->ext_event ($type, %msg)	2761	=item $client->ext_msg ($type, @msg)
2175		2762
2176	Sends an exti event to the client.	2763	Sends an ext event to the client.
2177		2764
2178	=cut	2765	=cut
2179		2766
2180	sub cf::client::ext_event($$%) {	2767	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	2768	my ($self, $type, @msg) = @_;
2182		2769
		2770	if ($self->extcmd == 2) {
		2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2772	} elsif ($self->extcmd == 1) { # TODO: remove
2183	$msg{msgtype} = "event_$type";	2773	push @msg, msgtype => "event_$type";
2184	$self->send_packet ("ext " . cf::to_json \%msg);	2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2775	}
		2776	}
		2777
		2778	=item $client->ext_reply ($msgid, @msg)
		2779
		2780	Sends an ext reply to the client.
		2781
		2782	=cut
		2783
		2784	sub cf::client::ext_reply($$@) {
		2785	my ($self, $id, @msg) = @_;
		2786
		2787	if ($self->extcmd == 2) {
		2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2789	} elsif ($self->extcmd == 1) {
		2790	#TODO: version 1, remove
		2791	unshift @msg, msgtype => "reply", msgid => $id;
		2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2793	}
2185	}	2794	}
2186		2795
2187	=item $success = $client->query ($flags, "text", \&cb)	2796	=item $success = $client->query ($flags, "text", \&cb)
2188		2797
2189	Queues a query to the client, calling the given callback with	2798	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2799	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2800	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		2801
2193	Queries can fail, so check the return code. Or don't, as queries will become	2802	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	2803	become reliable at some point in the future.
2195		2804
2196	=cut	2805	=cut
2197		2806
2198	sub cf::client::query {	2807	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	2808	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	2816	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2817	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		2818
2210	$self->send_packet ($self->{query_queue}[0][0])	2819	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	2820	if @{ $self->{query_queue} } == 1;
		2821
		2822	1
2212	}	2823	}
2213		2824
2214	cf::client->attach (	2825	cf::client->attach (
		2826	on_connect => sub {
		2827	my ($ns) = @_;
		2828
		2829	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2830	},
2215	on_reply => sub {	2831	on_reply => sub {
2216	my ($ns, $msg) = @_;	2832	my ($ns, $msg) = @_;
2217		2833
2218	# this weird shuffling is so that direct followup queries	2834	# this weird shuffling is so that direct followup queries
2219	# get handled first	2835	# get handled first
…		…
2231	} else {	2847	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2848	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	2849	}
2234	}	2850	}
2235	},	2851	},
		2852	on_exticmd => sub {
		2853	my ($ns, $buf) = @_;
		2854
		2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2856
		2857	if (ref $msg) {
		2858	my ($type, $reply, @payload) =
		2859	"ARRAY" eq ref $msg
		2860	? @$msg
		2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2862
		2863	my @reply;
		2864
		2865	if (my $cb = $EXTICMD{$type}) {
		2866	@reply = $cb->($ns, @payload);
		2867	}
		2868
		2869	$ns->ext_reply ($reply, @reply)
		2870	if $reply;
		2871
		2872	} else {
		2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2874	}
		2875
		2876	cf::override;
		2877	},
2236	);	2878	);
2237		2879
2238	=item $client->async (\&cb)	2880	=item $client->async (\&cb)
2239		2881
2240	Create a new coroutine, running the specified callback. The coroutine will	2882	Create a new coroutine, running the specified callback. The coroutine will
…		…
2281	our $safe = new Safe "safe";	2923	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	2924	our $safe_hole = new Safe::Hole;
2283		2925
2284	$SIG{FPE} = 'IGNORE';	2926	$SIG{FPE} = 'IGNORE';
2285		2927
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2928	$safe->permit_only (Opcode::opset qw(
		2929	:base_core :base_mem :base_orig :base_math
		2930	grepstart grepwhile mapstart mapwhile
		2931	sort time
		2932	));
2287		2933
2288	# here we export the classes and methods available to script code	2934	# here we export the classes and methods available to script code
2289		2935
2290	=pod	2936	=pod
2291		2937
2292	The following functions and methods are available within a safe environment:	2938	The following functions and methods are available within a safe environment:
2293		2939
2294	cf::object contr pay_amount pay_player map	2940	cf::object
		2941	contr pay_amount pay_player map x y force_find force_add destroy
		2942	insert remove name archname title slaying race decrease_ob_nr
		2943
2295	cf::object::player player	2944	cf::object::player
2296	cf::player peaceful	2945	player
2297	cf::map trigger	2946
		2947	cf::player
		2948	peaceful
		2949
		2950	cf::map
		2951	trigger
2298		2952
2299	=cut	2953	=cut
2300		2954
2301	for (	2955	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2957	insert remove inv name archname title slaying race
		2958	decrease_ob_nr destroy)],
2303	["cf::object::player" => qw(player)],	2959	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	2960	["cf::player" => qw(peaceful)],
2305	["cf::map" => qw(trigger)],	2961	["cf::map" => qw(trigger)],
2306	) {	2962	) {
2307	no strict 'refs';	2963	no strict 'refs';
…		…
2378	=back	3034	=back
2379		3035
2380	=cut	3036	=cut
2381		3037
2382	#############################################################################	3038	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553
2554	#############################################################################
2555	# the server's init and main functions	3039	# the server's init and main functions
2556		3040
2557	sub load_facedata($) {	3041	sub load_facedata($) {
2558	my ($path) = @_;	3042	my ($path) = @_;
		3043
		3044	# HACK to clear player env face cache, we need some signal framework
		3045	# for this (global event?)
		3046	%ext::player_env::MUSIC_FACE_CACHE = ();
		3047
		3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2559		3049
2560	warn "loading facedata from $path\n";	3050	warn "loading facedata from $path\n";
2561		3051
2562	my $facedata;	3052	my $facedata;
2563	0 < aio_load $path, $facedata	3053	0 < aio_load $path, $facedata
…		…
2566	$facedata = Coro::Storable::thaw $facedata;	3056	$facedata = Coro::Storable::thaw $facedata;
2567		3057
2568	$facedata->{version} == 2	3058	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3059	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3060
		3061	# patch in the exptable
		3062	$facedata->{resource}{"res/exp_table"} = {
		3063	type => FT_RSRC,
		3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3065	};
		3066	cf::cede_to_tick;
		3067
2571	{	3068	{
2572	my $faces = $facedata->{faceinfo};	3069	my $faces = $facedata->{faceinfo};
2573		3070
2574	while (my ($face, $info) = each %$faces) {	3071	while (my ($face, $info) = each %$faces) {
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3073	cf::face::set_visibility $idx, $info->{visibility};
		3074	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2579	Coro::cede;	3077
		3078	cf::cede_to_tick;
2580	}	3079	}
2581		3080
2582	while (my ($face, $info) = each %$faces) {	3081	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3082	next unless $info->{smooth};
2584	my $idx = cf::face::find $face	3083	my $idx = cf::face::find $face
2585	or next;	3084	or next;
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3085	if (my $smooth = cf::face::find $info->{smooth}) {
		3086	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3088	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3089	warn "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3090	}
2591	Coro::cede;	3091
		3092	cf::cede_to_tick;
2592	}	3093	}
2593	}	3094	}
2594		3095
2595	{	3096	{
2596	my $anims = $facedata->{animinfo};	3097	my $anims = $facedata->{animinfo};
2597		3098
2598	while (my ($anim, $info) = each %$anims) {	3099	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3100	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3101	cf::cede_to_tick;
2601	}	3102	}
2602		3103
2603	cf::anim::invalidate_all; # d'oh	3104	cf::anim::invalidate_all; # d'oh
2604	}	3105	}
2605		3106
		3107	{
		3108	# TODO: for gcfclient pleasure, we should give resources
		3109	# that gcfclient doesn't grok a >10000 face index.
		3110	my $res = $facedata->{resource};
		3111
		3112	my $soundconf = delete $res->{"res/sound.conf"};
		3113
		3114	while (my ($name, $info) = each %$res) {
		3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3116	my $data;
		3117
		3118	if ($info->{type} & 1) {
		3119	# prepend meta info
		3120
		3121	my $meta = $enc->encode ({
		3122	name => $name,
		3123	%{ $info->{meta} || {} },
		3124	});
		3125
		3126	$data = pack "(w/a*)*", $meta, $info->{data};
		3127	} else {
		3128	$data = $info->{data};
		3129	}
		3130
		3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3132	cf::face::set_type $idx, $info->{type};
		3133
		3134	cf::cede_to_tick;
		3135	}
		3136
		3137	if ($soundconf) {
		3138	$soundconf = $enc->decode (delete $soundconf->{data});
		3139
		3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3141	my $sound = $soundconf->{compat}[$_]
		3142	or next;
		3143
		3144	my $face = cf::face::find "sound/$sound->[1]";
		3145	cf::sound::set $sound->[0] => $face;
		3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3147	}
		3148
		3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3150	my $face = cf::face::find "sound/$v";
		3151	cf::sound::set $k => $face;
		3152	}
		3153	}
		3154	}
		3155
2606	1	3156	1
2607	}	3157	}
2608		3158
		3159	register_exticmd fx_want => sub {
		3160	my ($ns, $want) = @_;
		3161
		3162	while (my ($k, $v) = each %$want) {
		3163	$ns->fx_want ($k, $v);
		3164	}
		3165	};
		3166
2609	sub reload_regions {	3167	sub reload_regions {
		3168	# HACK to clear player env face cache, we need some signal framework
		3169	# for this (global event?)
		3170	%ext::player_env::MUSIC_FACE_CACHE = ();
		3171
2610	load_resource_file "$MAPDIR/regions"	3172	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3173	or die "unable to load regions file\n";
		3174
		3175	for (cf::region::list) {
		3176	$_->{match} = qr/$_->{match}/
		3177	if exists $_->{match};
		3178	}
2612	}	3179	}
2613		3180
2614	sub reload_facedata {	3181	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3182	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3183	or die "unable to load facedata\n";
2617	}	3184	}
2618		3185
2619	sub reload_archetypes {	3186	sub reload_archetypes {
		3187	load_resource_file "$DATADIR/archetypes"
		3188	or die "unable to load archetypes\n";
		3189	#d# NEED to laod twice to resolve forward references
		3190	# this really needs to be done in an extra post-pass
		3191	# (which needs to be synchronous, so solve it differently)
2620	load_resource_file "$DATADIR/archetypes"	3192	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3193	or die "unable to load archetypes\n";
2622	}	3194	}
2623		3195
2624	sub reload_treasures {	3196	sub reload_treasures {
…		…
2640		3212
2641	sub init {	3213	sub init {
2642	reload_resources;	3214	reload_resources;
2643	}	3215	}
2644		3216
2645	sub cfg_load {	3217	sub reload_config {
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3218	open my $fh, "<:utf8", "$CONFDIR/config"
2647	or return;	3219	or return;
2648		3220
2649	local $/;	3221	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;	3222	*CFG = YAML::Syck::Load <$fh>;
…		…
2666	sub main {	3238	sub main {
2667	# we must not ever block the main coroutine	3239	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3240	local $Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3242	(async {
		3243	$Coro::current->{desc} = "IDLE BUG HANDLER";
2671	Event::one_event;	3244	Event::one_event;
2672	})->prio (Coro::PRIO_MAX);	3245	})->prio (Coro::PRIO_MAX);
2673	};	3246	};
2674		3247
2675	cfg_load;	3248	reload_config;
2676	db_init;	3249	db_init;
2677	load_extensions;	3250	load_extensions;
2678		3251
2679	$TICK_WATCHER->start;	3252	$TICK_WATCHER->start;
2680	Event::loop;	3253	Event::loop;
…		…
2696	},	3269	},
2697	);	3270	);
2698	}	3271	}
2699	}	3272	}
2700		3273
		3274	sub write_runtime {
		3275	my $runtime = "$LOCALDIR/runtime";
		3276
		3277	# first touch the runtime file to show we are still running:
		3278	# the fsync below can take a very very long time.
		3279
		3280	IO::AIO::aio_utime $runtime, undef, undef;
		3281
		3282	my $guard = cf::lock_acquire "write_runtime";
		3283
		3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3285	or return;
		3286
		3287	my $value = $cf::RUNTIME + 90 + 10;
		3288	# 10 is the runtime save interval, for a monotonic clock
		3289	# 60 allows for the watchdog to kill the server.
		3290
		3291	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3292	and return;
		3293
		3294	# always fsync - this file is important
		3295	aio_fsync $fh
		3296	and return;
		3297
		3298	# touch it again to show we are up-to-date
		3299	aio_utime $fh, undef, undef;
		3300
		3301	close $fh
		3302	or return;
		3303
		3304	aio_rename "$runtime~", $runtime
		3305	and return;
		3306
		3307	warn "runtime file written.\n";
		3308
		3309	1
		3310	}
		3311
2701	sub emergency_save() {	3312	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3313	my $freeze_guard = cf::freeze_mainloop;
2703		3314
2704	warn "enter emergency perl save\n";	3315	warn "enter emergency perl save\n";
2705		3316
…		…
2709	# and maps saved/destroyed asynchronously.	3320	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3321	warn "begin emergency player save\n";
2711	for my $login (keys %cf::PLAYER) {	3322	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3323	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3324	$pl->valid or next;
		3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3326	$pl->save;
2715	}	3327	}
2716	warn "end emergency player save\n";	3328	warn "end emergency player save\n";
2717		3329
2718	warn "begin emergency map save\n";	3330	warn "begin emergency map save\n";
…		…
2766		3378
2767	warn "flushing outstanding aio requests";	3379	warn "flushing outstanding aio requests";
2768	for (;;) {	3380	for (;;) {
2769	BDB::flush;	3381	BDB::flush;
2770	IO::AIO::flush;	3382	IO::AIO::flush;
2771	Coro::cede;	3383	Coro::cede_notself;
2772	last unless IO::AIO::nreqs || BDB::nreqs;	3384	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";	3385	warn "iterate...";
2774	}	3386	}
2775		3387
2776	++$RELOAD;	3388	++$RELOAD;
…		…
2780	%EXT_CORO = ();	3392	%EXT_CORO = ();
2781		3393
2782	warn "removing commands";	3394	warn "removing commands";
2783	%COMMAND = ();	3395	%COMMAND = ();
2784		3396
2785	warn "removing ext commands";	3397	warn "removing ext/exti commands";
2786	%EXTCMD = ();	3398	%EXTCMD = ();
		3399	%EXTICMD = ();
2787		3400
2788	warn "unloading/nuking all extensions";	3401	warn "unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	3402	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	3403	warn "... unloading $pkg";
2791		3404
…		…
2834	warn "reloading cf.pm";	3447	warn "reloading cf.pm";
2835	require cf;	3448	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2837		3450
2838	warn "loading config and database again";	3451	warn "loading config and database again";
2839	cf::cfg_load;	3452	cf::reload_config;
2840		3453
2841	warn "loading extensions";	3454	warn "loading extensions";
2842	cf::load_extensions;	3455	cf::load_extensions;
2843		3456
2844	warn "reattaching attachments to objects/players";	3457	warn "reattaching attachments to objects/players";
…		…
2880	register_command "reload" => sub {	3493	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	3494	my ($who, $arg) = @_;
2882		3495
2883	if ($who->flag (FLAG_WIZ)) {	3496	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	3497	$who->message ("reloading server.");
		3498	async {
		3499	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	3500	reload_perl;
		3501	};
2886	}	3502	}
2887	};	3503	};
2888		3504
2889	unshift @INC, $LIBDIR;	3505	unshift @INC, $LIBDIR;
2890		3506
…		…
2909	my $signal = new Coro::Signal;	3525	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	3526	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	3527	$signal->wait;
2912	}	3528	}
2913		3529
2914	my $min = 1e6;#d#
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (	3530	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,	3531	reentrant => 0,
2918	parked => 1,	3532	parked => 1,
2919	prio => 0,	3533	prio => 0,
2920	at => $NEXT_TICK || $TICK,	3534	at => $NEXT_TICK || $TICK,
…		…
2928		3542
2929	$NOW = $tick_start = Event::time;	3543	$NOW = $tick_start = Event::time;
2930		3544
2931	cf::server_tick; # one server iteration	3545	cf::server_tick; # one server iteration
2932		3546
2933	0 && sync_job {#d#
2934	for(1..10) {
2935	my $t = Event::time;
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"
2937	or die;
2938
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};
2955
2956	$RUNTIME += $TICK;	3547	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;	3548	$NEXT_TICK += $TICK;
2958		3549
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;	3551	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {	3552	Coro::async_pool {
		3553	$Coro::current->{desc} = "runtime saver";
2962	write_runtime	3554	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";	3555	or warn "ERROR: unable to write runtime file: $!";
2964	};	3556	};
2965	}	3557	}
2966		3558
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	3560	$sig->send;
2972	}	3561	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	3562	while (my $sig = shift @WAIT_FOR_TICK) {
2974	$sig->send;	3563	$sig->send;
…		…
2984		3573
2985	$LOAD = ($NOW - $tick_start) / $TICK;	3574	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		3576
2988	_post_tick;	3577	_post_tick;
2989
2990
2991	},	3578	},
2992	);	3579	);
2993		3580
2994	{	3581	{
		3582	BDB::min_parallel 8;
2995	BDB::max_poll_time $TICK * 0.1;	3583	BDB::max_poll_time $TICK * 0.1;
2996	$BDB_POLL_WATCHER = Event->io (	3584	$BDB_POLL_WATCHER = Event->io (
2997	reentrant => 0,	3585	reentrant => 0,
2998	fd => BDB::poll_fileno,	3586	fd => BDB::poll_fileno,
2999	poll => 'r',	3587	poll => 'r',
3000	prio => 0,	3588	prio => 0,
3001	data => WF_AUTOCANCEL,	3589	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,	3590	cb => \&BDB::poll_cb,
3003	);	3591	);
3004	BDB::min_parallel 8;
3005		3592
3006	BDB::set_sync_prepare {	3593	BDB::set_sync_prepare {
3007	my $status;	3594	my $status;
3008	my $current = $Coro::current;	3595	my $current = $Coro::current;
3009	(	3596	(
…		…
3018	)	3605	)
3019	};	3606	};
3020		3607
3021	unless ($DB_ENV) {	3608	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	3609	$DB_ENV = BDB::db_env_create;
		3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3611	| BDB::LOG_AUTOREMOVE, 1);
		3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		3614
3024	cf::sync_job {	3615	cf::sync_job {
3025	eval {	3616	eval {
3026	BDB::db_env_open	3617	BDB::db_env_open
3027	$DB_ENV,	3618	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3620	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3621	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	3622	0666;
3032		3623
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3624	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	3625	};
3038		3626
3039	cf::cleanup "db_env_open(db): $@" if $@;	3627	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	3628	};
3041	}	3629	}
		3630
		3631	$BDB_DEADLOCK_WATCHER = Event->timer (
		3632	after => 3,
		3633	interval => 1,
		3634	hard => 1,
		3635	prio => 0,
		3636	data => WF_AUTOCANCEL,
		3637	cb => sub {
		3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3639	},
		3640	);
		3641	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3642	after => 11,
		3643	interval => 60,
		3644	hard => 1,
		3645	prio => 0,
		3646	data => WF_AUTOCANCEL,
		3647	cb => sub {
		3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3649	},
		3650	);
		3651	$BDB_TRICKLE_WATCHER = Event->timer (
		3652	after => 5,
		3653	interval => 10,
		3654	hard => 1,
		3655	prio => 0,
		3656	data => WF_AUTOCANCEL,
		3657	cb => sub {
		3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3659	},
		3660	);
3042	}	3661	}
3043		3662
3044	{	3663	{
3045	IO::AIO::min_parallel 8;	3664	IO::AIO::min_parallel 8;
3046		3665
…		…
3049	$AIO_POLL_WATCHER = Event->io (	3668	$AIO_POLL_WATCHER = Event->io (
3050	reentrant => 0,	3669	reentrant => 0,
3051	data => WF_AUTOCANCEL,	3670	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,	3671	fd => IO::AIO::poll_fileno,
3053	poll => 'r',	3672	poll => 'r',
3054	prio => 6,	3673	prio => 0,
3055	cb => \&IO::AIO::poll_cb,	3674	cb => \&IO::AIO::poll_cb,
3056	);	3675	);
3057	}	3676	}
3058		3677
3059	my $_log_backtrace;	3678	my $_log_backtrace;
…		…
3065		3684
3066	# limit the # of concurrent backtraces	3685	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	3686	if ($_log_backtrace < 2) {
3068	++$_log_backtrace;	3687	++$_log_backtrace;
3069	async {	3688	async {
		3689	$Coro::current->{desc} = "abt $msg";
		3690
3070	my @bt = fork_call {	3691	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	3692	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3693	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3694	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	3695	or die "addr2line: $!";

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