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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.321 by root, Thu Jul 26 21:44:43 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 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;	9	use EV 1.86;
10	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 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
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::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
25	use JSON::XS 1.4 ();	27	use JSON::XS 2.01 ();
26	use BDB ();	28	use BDB ();
27	use Data::Dumper;	29	use Data::Dumper;
28	use Digest::MD5;	30	use Digest::MD5;
29	use Fcntl;	31	use Fcntl;
30	use YAML::Syck ();	32	use YAML::Syck ();
31	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
32	use Time::HiRes;	34	use Time::HiRes;
33	use Compress::LZF;	35	use Compress::LZF;
34	use Digest::MD5 ();	36	use Digest::MD5 ();
35		37
36	# configure various modules to our taste	38	# configure various modules to our taste
37	#	39	#
38	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43		43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
46		46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
74		75
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;	77	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	80	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		82
83	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	87	our $DB_ENV;
85		88
86	our %CFG;	89	our %CFG;
87		90
88	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
90		94
91	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
94		98
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		101
…		…
158		162
159	The raw value load value from the last tick.	163	The raw value load value from the last tick.
160		164
161	=item %cf::CFG	165	=item %cf::CFG
162		166
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	168	from wherever your confdir points to.
165		169
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		171
168	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
…		…
186	$msg .= "\n"	190	$msg .= "\n"
187	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
188		192
189	$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;
190		194
191	utf8::encode $msg;
192	LOG llevError, $msg;	195	LOG llevError, $msg;
193	};	196	};
194	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
195		203
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	220	)) {
213	no strict 'refs';	221	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	223	}
216		224
217	$Event::DIED = sub {	225	$EV::DIED = sub {
218	warn "error in event callback: @_";	226	warn "error in event callback: @_";
219	};	227	};
220		228
221	#############################################################################	229	#############################################################################
222		230
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	254	$d
247	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
248	}	256	}
249		257
250	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
251		259
252	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
253		261
254	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
255		263
256	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
257		265
258	=cut	266	=cut
259		267
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		269
262	sub to_json ($) { $json_coder->encode ($_[0]) }	270	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	271	sub decode_json($) { $json_coder->decode ($_[0]) }
264		272
265	=item cf::lock_wait $string	273	=item cf::lock_wait $string
266		274
267	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
268		276
…		…
271	Wait until the given lock is available and then acquires it and returns	279	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
274	returned.	282	returned.
275		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
276	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
278		289
279	=item $locked = cf::lock_active $string	290	=item $locked = cf::lock_active $string
280		291
281	Return true if the lock is currently active, i.e. somebody has locked it.	292	Return true if the lock is currently active, i.e. somebody has locked it.
282		293
283	=cut	294	=cut
284		295
285	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
286		298
287	sub lock_wait($) {	299	sub lock_wait($) {
288	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
289		306
290	# wait for lock, if any	307	# wait for lock, if any
291	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	310	Coro::schedule;
…		…
299		316
300	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
301	lock_wait $key;	318	lock_wait $key;
302		319
303	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
304		322
305	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
308	}	327	}
309	}	328	}
310		329
…		…
322	};	341	};
323	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
324	$guard	343	$guard
325	}	344	}
326		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
327	=item cf::get_slot $time[, $priority[, $name]]	361	=item cf::get_slot $time[, $priority[, $name]]
328		362
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
330	This call blocks and returns only when you have at least C<$time> seconds	364	This call blocks and returns only when you have at least C<$time> seconds
331	of cpu time till the next tick. The slot is only valid till the next cede.	365	of cpu time till the next tick. The slot is only valid till the next cede.
…		…
340	our @SLOT_QUEUE;	374	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	375	our $SLOT_QUEUE;
342		376
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
345	my $signal = new Coro::Signal;	381	my $signal = new Coro::Signal;
346		382
347	while () {	383	while () {
348	next_job:	384	next_job:
349	my $avail = cf::till_tick;	385	my $avail = cf::till_tick;
…		…
357	}	393	}
358	}	394	}
359	}	395	}
360		396
361	if (@SLOT_QUEUE) {	397	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	399	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	400	$signal->wait;
365	} else {	401	} else {
366	Coro::schedule;	402	Coro::schedule;
367	}	403	}
…		…
390		426
391	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
392		428
393	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
394		430
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	431	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	432	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	434	acceptable.
399		435
400	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		442
407	sub sync_job(&) {	443	sub sync_job(&) {
408	my ($job) = @_;	444	my ($job) = @_;
409		445
410	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	447	my $time = EV::time;
412		448
413	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
415		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
416	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
417	# (but this is cancel-safe)	455	# (but this is cancel-safe)
418	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
419		457
420	my $busy = 1;	458	my $busy = 1;
421	my @res;	459	my @res;
422		460
423	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	463	@res = eval { $job->() };
425	warn $@ if $@;	464	warn $@ if $@;
426	undef $busy;	465	undef $busy;
427	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
428		467
429	while ($busy) {	468	while ($busy) {
430	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
431	}	473	}
		474	}
432		475
433	$time = Event::time - $time;	476	$time = EV::time - $time;
434		477
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"	478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437		480
438	$tick_start += $time; # do not account sync jobs to server load	481	$tick_start += $time; # do not account sync jobs to server load
…		…
468	=item fork_call { }, $args	511	=item fork_call { }, $args
469		512
470	Executes the given code block with the given arguments in a seperate	513	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	514	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	515	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	516	never block itself or use any form of event handling.
474		517
475	=cut	518	=cut
476
477	sub _store_scalar {
478	open my $fh, ">", \my $buf
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}
485		519
486	sub fork_call(&@) {	520	sub fork_call(&@) {
487	my ($cb, @args) = @_;	521	my ($cb, @args) = @_;
488		522
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	523	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	524	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	525	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		526
494	if (my $pid = fork) {	527	my @res = Coro::Util::fork_eval {
495	close $fh2;
496
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;	528	reset_signals;
508	local $SIG{__WARN__};	529	&$cb
509	local $SIG{__DIE__};	530	}, @args;
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515		531
516	eval {	532	wantarray ? @res : $res[-1]
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}
528	}	533	}
529		534
530	=item $value = cf::db_get $family => $key	535	=item $value = cf::db_get $family => $key
531		536
532	Returns a single value from the environment database.	537	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	539	=item cf::db_put $family => $key => $value
535		540
536	Stores the given C<$value> in the family. It can currently store binary	541	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
539	=cut	549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
540		567
541	our $DB;	568	our $DB;
542		569
543	sub db_init {	570	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	571	cf::sync_job {
548	eval {	572	$DB ||= db_table "db";
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}	573	};
558	}	574	}
559		575
560	sub db_get($$) {	576	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	577	my $key = "$_[0]/$_[1]";
562		578
…		…
612	if (1) {	628	if (1) {
613	$md5 =	629	$md5 =
614	join "\x00",	630	join "\x00",
615	$processversion,	631	$processversion,
616	map {	632	map {
617	Coro::cede;	633	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	634	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	635	} 0.. $#$src;
620		636
621		637
622	my $dbmd5 = db_get cache => "$id/md5";	638	my $dbmd5 = db_get cache => "$id/md5";
…		…
666	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
668		684
669	In the following description, CLASS can be any of C<global>, C<object>	685	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	687	Deliantra).
672		688
673	=over 4	689	=over 4
674		690
675	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
676		692
…		…
958	}	974	}
959		975
960	0	976	0
961	}	977	}
962		978
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		980
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		982
967	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
968		984
…		…
974		990
975	=cut	991	=cut
976		992
977	#############################################################################	993	#############################################################################
978	# object support	994	# object support
979	#
980		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
981	sub _can_merge {	1029	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1030	my ($ob1, $ob2) = @_;
983		1031
984	local $Storable::canonical = 1;	1032	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1033
988	$fob1 eq $fob2	1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
989	}	1036	}
990		1037
991	sub reattach {	1038	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1040	my ($obj) = @_;
…		…
1015	cf::attachable->attach (	1062	cf::attachable->attach (
1016	prio => -1000000,	1063	prio => -1000000,
1017	on_instantiate => sub {	1064	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
1019		1066
1020	$data = from_json $data;	1067	$data = decode_json $data;
1021		1068
1022	for (@$data) {	1069	for (@$data) {
1023	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
1024		1071
1025	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1088	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
1043		1090
1044	sync_job {	1091	sync_job {
1045	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
1048		1096
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1101	close $fh;
1054		1102
1055	if (@$objs) {	1103	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1109	close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1111	}
…		…
1071	}	1119	}
1072	} else {	1120	} else {
1073	aio_unlink $filename;	1121	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
1075	}	1123	}
1076	}	1124	};
1077	}	1125	}
1078		1126
1079	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
1081		1129
…		…
1093	or return;	1141	or return;
1094		1142
1095	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1145	or return;
		1146
1098	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
1099	}	1149	}
1100		1150
		1151	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1153	$decname, length $data, scalar @{$av || []};
		1154
1103	return ($data, $av);	1155	($data, $av)
1104	}	1156	}
1105		1157
1106	=head2 COMMAND CALLBACKS	1158	=head2 COMMAND CALLBACKS
1107		1159
1108	=over 4	1160	=over 4
…		…
1186	my ($type, $reply, @payload) =	1238	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1239	"ARRAY" eq ref $msg
1188	? @$msg	1240	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1242
		1243	my @reply;
		1244
1191	if (my $cb = $EXTCMD{$type}) {	1245	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1246	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
1197	} else {	1252	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1254	}
1200		1255
1201	cf::override;	1256	cf::override;
…		…
1291		1346
1292	=head3 cf::player	1347	=head3 cf::player
1293		1348
1294	=over 4	1349	=over 4
1295		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
		1364
1296	=item cf::player::find $login	1365	=item cf::player::find $login
1297		1366
1298	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
1299		1368
1300	=cut	1369	=cut
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1408
1340	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
1343	}	1417	}
1344	}	1418	}
1345	}	1419	}
1346		1420
…		…
1356		1430
1357	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1359		1433
1360	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1361	Coro::cede;	1435	cf::cede_to_tick;
1362	}	1436	}
1363		1437
1364	sub new($) {	1438	sub new($) {
1365	my ($login) = @_;	1439	my ($login) = @_;
1366		1440
…		…
1370	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1371		1445
1372	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1373		1447
1374	$self	1448	$self
		1449	}
		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
1375	}	1459	}
1376		1460
1377	=item $pl->quit_character	1461	=item $pl->quit_character
1378		1462
1379	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
…		…
1434	or return [];	1518	or return [];
1435		1519
1436	my @logins;	1520	my @logins;
1437		1521
1438	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1442		1531
1443	utf8::decode $login;	1532	utf8::decode $login;
1444	push @logins, $login;	1533	push @logins, $login;
1445	}	1534	}
1446		1535
…		…
1479		1568
1480	Expand crossfire pod fragments into protocol xml.	1569	Expand crossfire pod fragments into protocol xml.
1481		1570
1482	=cut	1571	=cut
1483		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
1484	sub expand_cfpod {	1584	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;	1585	my ($self, $pod) = @_;
1486		1586
1487	# escape & and <	1587	my $xml;
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490		1588
1491	# this is buggy, it needs to properly take care of nested <'s	1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
1492		1592
1493	1 while	1593	$group =~ s/&/&amp;/g;
1494	# replace B<>, I<>, U<> etc.	1594	$group =~ s/</&lt;/g;
1495	s/B<([^\>]*)>/<b>$1<\/b>/	1595
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/	1596	$xml .= $group;
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/	1597	} elsif ($pod =~ m%\G
1498	# replace G<male|female> tags	1598	([BCGHITU])
1499	|| s{G<([^>|]*)\|([^>]*)>}{	1599	<
1500	$self->gender ? $2 : $1	1600	(?:
1501	}ge	1601	([^<>]*) (?{ $group = $^N })
1502	# replace H<hint text>	1602	| < $interior >
1503	|| s{H<([^\>]*)>}	1603	)
		1604	>
		1605	%gcsx
1504	{	1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")	1626	"")
1508	[$self->{hintmode}]	1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
1509	}ge;	1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
1510		1638
		1639	for ($xml) {
1511	# create single paragraphs (very hackish)	1640	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;	1641	s/(?<=\S)\n(?=\w)/ /g;
1513		1642
1514	# compress some whitespace	1643	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends	1644	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines	1645	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines	1646	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines	1647	s/\n+$//; # ending lines
		1648	}
1519		1649
1520	$_	1650	$xml
1521	}	1651	}
		1652
		1653	no re 'eval';
1522		1654
1523	sub hintmode {	1655	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;	1656	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}	1657	$_[0]{hintmode}
1526	}	1658	}
…		…
1532	=cut	1664	=cut
1533		1665
1534	sub ext_reply($$@) {	1666	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;	1667	my ($self, $id, @msg) = @_;
1536		1668
1537	if ($self->ns->extcmd == 2) {	1669	$self->ns->ext_reply ($id, @msg)
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}	1670	}
1545		1671
1546	=item $player->ext_msg ($type, @msg)	1672	=item $player->ext_msg ($type, @msg)
1547		1673
1548	Sends an ext event to the client.	1674	Sends an ext event to the client.
…		…
1776		1902
1777	sub load_header_from($) {	1903	sub load_header_from($) {
1778	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1779		1905
1780	utf8::encode $path;	1906	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1786		1915
1787	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1788		1917
1789	1	1918	1
1790	}	1919	}
…		…
1844	sub find {	1973	sub find {
1845	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1846		1975
1847	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1848		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1850		1980
1851	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1853	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1854	or return;	1986	or return;
1855		1987
1856	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1857		1989
…		…
1859	or return;	1991	or return;
1860		1992
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1864	$map->reset;	1998	$map->reset;
1865	undef $guard;
1866	return find $path;	1999	return find $path;
1867	}	2000	}
1868		2001
1869	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1870	}	2003	}
…		…
1879	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1880		2013
1881	my $path = $self->{path};	2014	my $path = $self->{path};
1882		2015
1883	{	2016	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1885		2018
		2019	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1887		2021
1888	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1889		2023
1890	$self->alloc;	2024	$self->alloc;
1891		2025
1892	$self->pre_load;	2026	$self->pre_load;
1893	Coro::cede;	2027	cf::cede_to_tick;
1894		2028
		2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
1895	$self->_load_objects ($self->{load_path}, 1)	2031	$self->_load_objects ($f)
1896	or return;	2032	or return;
1897		2033
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1899	if delete $self->{load_original};	2035	if delete $self->{load_original};
1900		2036
1901	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2038	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2041	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1906	}	2045	}
1907	}	2046	}
1908		2047
1909	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1910	# now do the right thing for maps	2051	# now do the right thing for maps
1911	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2054	unless $self->difficulty;
1914	Coro::cede;	2055	cf::cede_to_tick;
1915		2056
1916	unless ($self->{deny_activate}) {	2057	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2058	$self->decay_objects;
1918	$self->fix_auto_apply;	2059	$self->fix_auto_apply;
1919	$self->update_buttons;	2060	$self->update_buttons;
1920	Coro::cede;	2061	cf::cede_to_tick;
1921	$self->set_darkness_map;	2062	$self->set_darkness_map;
1922	Coro::cede;	2063	cf::cede_to_tick;
1923	$self->activate;	2064	$self->activate;
1924	}	2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
1925		2069
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2070	$self->in_memory (cf::MAP_IN_MEMORY);
1927	}	2071	}
1928		2072
1929	$self->post_load;	2073	$self->post_load;
…		…
1940		2084
1941	$self	2085	$self
1942	}	2086	}
1943		2087
1944	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {	2089	sub load_neighbours {
1946	my ($map) = @_;	2090	my ($map) = @_;
1947		2091
1948	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1949		2093
1950	for (0 .. 3) {	2094	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1952	or next;	2096	or next;
1953	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1954	or next;	2098	or next;
1955	$neigh->load;	2099	$neigh->load;
1956		2100
		2101	push @neigh,
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}	2104	}
1960		2105
1961	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1962	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1963	or next;	2109	or next;
1964	$neigh->load;	2110	$neigh->load;
1965	}	2111	}
1966	}	2112	}
1967		2113
…		…
1972	}	2118	}
1973		2119
1974	sub do_load_sync {	2120	sub do_load_sync {
1975	my ($map) = @_;	2121	my ($map) = @_;
1976		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1977	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1978	}	2127	}
1979		2128
1980	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1982		2131
1983	sub find_async {	2132	sub find_async {
1984	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1985		2134
1986	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1987		2136
1988	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1990	}	2139	}
1991		2140
1992	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1993	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1994	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2148	if (my $map = find $k) {
1997	$map->load;	2149	$map->load if $v;
1998	}	2150	}
1999		2151
2000	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
2001	}	2153	}
2002	}	2154	}
2003	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
2004	};	2156	};
2005	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
2008	}	2160	}
2009		2161
2010	sub save {	2162	sub save {
2011	my ($self) = @_;	2163	my ($self) = @_;
2012		2164
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
2014		2166
2015	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
2016		2168
2017	return unless $self->dirty;	2169	return unless $self->dirty;
2018		2170
…		…
2024	return if $self->{deny_save};	2176	return if $self->{deny_save};
2025		2177
2026	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
2027		2179
2028	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
2030	};	2183	};
2031		2184
2032	if ($uniq) {	2185	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2041	my ($self) = @_;	2194	my ($self) = @_;
2042		2195
2043	# save first because save cedes	2196	# save first because save cedes
2044	$self->save;	2197	$self->save;
2045		2198
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2200
2048	return if $self->players;	2201	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};	2203	return if $self->{deny_save};
2051		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
2052	$self->clear;	2209	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2210	}
2055		2211
2056	sub reset_at {	2212	sub reset_at {
2057	my ($self) = @_;	2213	my ($self) = @_;
2058		2214
…		…
2090	if $uniq;	2246	if $uniq;
2091	}	2247	}
2092		2248
2093	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
2094		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2253	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2254
2099	$self->unlink_save;	2255	$self->unlink_save;
2100	$self->destroy;	2256	$self->destroy;
2101	}	2257	}
2102		2258
2103	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
2104		2260
2105	sub nuke {	2261	sub nuke {
2106	my ($self) = @_;	2262	my ($self) = @_;
2107		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
2108	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2109		2268
2110	$self->unlink_save;	2269	$self->unlink_save;
2111		2270
2112	bless $self, "cf::map";	2271	bless $self, "cf::map";
2113	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2276
2118	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
2119		2279
2120	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
2121	}	2281	}
2122		2282
2123	=item $maps = cf::map::tmp_maps	2283	=item $maps = cf::map::tmp_maps
…		…
2199		2359
2200	sub inv_recursive {	2360	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
2202	}	2362	}
2203		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
		2390	}
		2391
2204	package cf;	2392	package cf;
2205		2393
2206	=back	2394	=back
2207		2395
2208	=head3 cf::object::player	2396	=head3 cf::object::player
…		…
2240	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
2241	}	2429	}
2242	}	2430	}
2243	}	2431	}
2244		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
		2441	}
		2442
2245	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
2246		2444
2247	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
2248	(e.g. "command_wizcast").	2446	(e.g. "command_wizcast").
2249		2447
…		…
2326	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
2329		2527
2330	$map->load;	2528	$map->load;
2331	$map->load_diag;	2529	$map->load_neighbours;
2332		2530
2333	return unless $self->contr->active;	2531	return unless $self->contr->active;
2334	$self->activate_recursive;	2532	$self->activate_recursive;
2335		2533
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2555
2358	$self->enter_link;	2556	$self->enter_link;
2359		2557
2360	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2361	my $map = eval {	2580	my $map = eval {
2362	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2363		2582
2364	if ($map) {	2583	if ($map) {
2365	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2367	} else {	2586	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2588	}
2370		2589
2371	$map	2590	$map
2372	};	2591	};
2373		2592
…		…
2426	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
2427	}	2646	}
2428		2647
2429	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2430		2649
2431	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
2432	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2434		2653
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
…		…
2463	# if exit is damned, update players death & WoR home-position	2682	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)	2683	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);	2684	if $exit->flag (FLAG_DAMNED);
2466		2685
2467	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2468	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2469	unless (eval {	2690	unless (eval {
2470	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2471		2692
2472	1;	2693	1;
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	2728	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	2729	the message unless the client supports the msg packet.
2509		2730
2510	=cut	2731	=cut
2511		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
2512	sub cf::client::send_msg {	2785	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	2786	my ($self, $channel, $msg, $color, @extra) = @_;
2514		2787
2515	$msg = $self->pl->expand_cfpod ($msg);	2788	$msg = $self->pl->expand_cfpod ($msg);
2516		2789
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
2519	if (ref $channel) {	2801	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	2802	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	2803	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	2804	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => $channel);	2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
2524	}	2807	}
2525		2808
2526	$channel = $channel->{id};	2809	$channel = $channel->{id};
2527	}	2810	}
2528		2811
2529	return unless @extra || length $msg;	2812	return unless @extra || length $msg;
2530		2813
2531	if ($self->can_msg) {	2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2533	} else {	2821	} else {
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543
2544	if ($color >= 0) {	2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
2545	if (0 && $msg =~ /\[/) {	2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
2547	} else {	2840	} else {
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2549	$self->send_packet ("drawinfo $color $msg")	2842	$self->send_packet ("drawinfo $color $msg")
2550	}	2843	}
2551	}	2844	}
…		…
2559	=cut	2852	=cut
2560		2853
2561	sub cf::client::ext_msg($$@) {	2854	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	2855	my ($self, $type, @msg) = @_;
2563		2856
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {	2857	if ($self->extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove	2859	} elsif ($self->extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";	2860	push @msg, msgtype => "event_$type";
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}	2880	}
2572	}	2881	}
2573		2882
2574	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
…		…
2636	my ($type, $reply, @payload) =	2945	my ($type, $reply, @payload) =
2637	"ARRAY" eq ref $msg	2946	"ARRAY" eq ref $msg
2638	? @$msg	2947	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		2949
		2950	my @reply;
		2951
2641	if (my $cb = $EXTICMD{$type}) {	2952	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	2953	@reply = $cb->($ns, @payload);
2643
2644	$ns->ext_reply ($reply, @reply)
2645	if $reply;
2646	}	2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
2647	} else {	2959	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	2961	}
2650		2962
2651	cf::override;	2963	cf::override;
…		…
2698	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2700		3012
2701	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2702		3014
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2704		3020
2705	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2706		3022
2707	=pod	3023	=pod
2708		3024
2709	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2710		3026
2711	cf::object	3027	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3028	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3029	insert remove name archname title slaying race decrease_ob_nr
2714		3030
2715	cf::object::player	3031	cf::object::player
2716	player	3032	player
2717		3033
2718	cf::player	3034	cf::player
…		…
2723		3039
2724	=cut	3040	=cut
2725		3041
2726	for (	3042	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
2728	insert remove)],	3045	decrease_ob_nr destroy)],
2729	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2731	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2732	) {	3049	) {
2733	no strict 'refs';	3050	no strict 'refs';
…		…
2809	# the server's init and main functions	3126	# the server's init and main functions
2810		3127
2811	sub load_facedata($) {	3128	sub load_facedata($) {
2812	my ($path) = @_;	3129	my ($path) = @_;
2813		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
		3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3136
2814	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2815		3138
2816	my $facedata;	3139	my $facedata;
2817	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
2818	or die "$path: $!";	3141	or die "$path: $!";
…		…
2820	$facedata = Coro::Storable::thaw $facedata;	3143	$facedata = Coro::Storable::thaw $facedata;
2821		3144
2822	$facedata->{version} == 2	3145	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
2825	{	3155	{
2826	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2827		3157
2828	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2830	cf::face::set_visibility $idx, $info->{visibility};	3161	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3162	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2834		3165
2835	cf::cede_to_tick;	3166	cf::cede_to_tick;
2836	}	3167	}
2837		3168
2838	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2840	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2841	or next;	3173	or next;
		3174
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3176	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3178	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2863		3196
2864	{	3197	{
2865	# TODO: for gcfclient pleasure, we should give resources	3198	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.	3199	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3200	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869
2870	my $soundconf = delete $res->{"res/sound.conf"};
2871		3201
2872	while (my ($name, $info) = each %$res) {	3202	while (my ($name, $info) = each %$res) {
2873	my $meta = $enc->encode ({	3203	if (defined $info->{type}) {
2874	name => $name,
2875	%{ $info->{meta} || {} },
2876	});
2877
2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
2879		3206
2880	if ($info->{type} & 1) {	3207	if ($info->{type} & 1) {
2881	# prepend meta info	3208	# prepend meta info
2882		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3215	$data = pack "(w/a*)*", $meta, $info->{data};
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3216	} else {
		3217	$data = $info->{data};
		3218	}
2885		3219
2886	cf::face::set_data $idx, 0, $data, $chk;	3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
2887	} else {	3222	} else {
2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3223	$RESOURCE{$name} = $info;
2889	}	3224	}
2890		3225
2891	cf::face::set_type $idx, $info->{type};
2892
2893	cf::cede_to_tick;	3226	cf::cede_to_tick;
2894	}	3227	}
2895
2896	if ($soundconf) {
2897	$soundconf = $enc->decode (delete $soundconf->{data});
2898
2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2900	my $sound = $soundconf->{compat}[$_]
2901	or next;
2902
2903	my $face = cf::face::find "sound/$sound->[1]";
2904	warn "$sound->[0]: $face\n";#d#
2905
2906	cf::sound::set $sound->[0] => $face;
2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2908	}
2909
2910	#TODO
2911	}
2912	}	3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2913		3231
2914	1	3232	1
2915	}	3233	}
		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
2916		3254
2917	register_exticmd fx_want => sub {	3255	register_exticmd fx_want => sub {
2918	my ($ns, $want) = @_;	3256	my ($ns, $want) = @_;
2919		3257
2920	while (my ($k, $v) = each %$want) {	3258	while (my ($k, $v) = each %$want) {
2921	$ns->fx_want ($k, $v);	3259	$ns->fx_want ($k, $v);
2922	}	3260	}
2923	};	3261	};
2924		3262
2925	sub reload_regions {	3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
2926	load_resource_file "$MAPDIR/regions"	3268	load_resource_file "$MAPDIR/regions"
2927	or die "unable to load regions file\n";	3269	or die "unable to load regions file\n";
2928		3270
2929	for (cf::region::list) {	3271	for (cf::region::list) {
2930	$_->{match} = qr/$_->{match}/	3272	$_->{match} = qr/$_->{match}/
…		…
2966		3308
2967	sub init {	3309	sub init {
2968	reload_resources;	3310	reload_resources;
2969	}	3311	}
2970		3312
2971	sub cfg_load {	3313	sub reload_config {
2972	open my $fh, "<:utf8", "$CONFDIR/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2973	or return;	3315	or return;
2974		3316
2975	local $/;	3317	local $/;
2976	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
…		…
2992	sub main {	3334	sub main {
2993	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2994	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2995	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2996	(async {	3338	(async {
2997	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2998	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2999	};	3342	};
3000		3343
3001	cfg_load;	3344	reload_config;
3002	db_init;	3345	db_init;
3003	load_extensions;	3346	load_extensions;
3004		3347
3005	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3006	Event::loop;	3350	EV::loop;
3007	}	3351	}
3008		3352
3009	#############################################################################	3353	#############################################################################
3010	# initialisation and cleanup	3354	# initialisation and cleanup
3011		3355
3012	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
3013	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
3014	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
3015	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3016	reentrant => 0,
3017	data => WF_AUTOCANCEL,
3018	signal => $signal,
3019	prio => 0,
3020	cb => sub {
3021	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
3022	},
3023	);	3362	};
3024	}	3363	}
3025	}	3364	}
3026		3365
3027	sub write_runtime {	3366	sub write_runtime {
3028	my $runtime = "$LOCALDIR/runtime";	3367	my $runtime = "$LOCALDIR/runtime";
…		…
3073	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
3074	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
3075	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
3076	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
3077	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3078	$pl->save;	3418	$pl->save;
3079	}	3419	}
3080	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
3081		3421
3082	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
3121	warn "syncing database to disk";	3461	warn "syncing database to disk";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
3123		3463
3124	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
3125		3465
3126	warn "cancelling all WF_AUTOCANCEL watchers";
3127	for (Event::all_watchers) {
3128	$_->cancel if $_->data & WF_AUTOCANCEL;
3129	}
3130
3131	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
3132	for (;;) {	3467	for (;;) {
3133	BDB::flush;	3468	BDB::flush;
3134	IO::AIO::flush;	3469	IO::AIO::flush;
3135	Coro::cede;	3470	Coro::cede_notself;
3136	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
3137	warn "iterate...";	3472	warn "iterate...";
3138	}	3473	}
3139		3474
3140	++$RELOAD;	3475	++$RELOAD;
…		…
3199	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
3200	require cf;	3535	require cf;
3201	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3202		3537
3203	warn "loading config and database again";	3538	warn "loading config and database again";
3204	cf::cfg_load;	3539	cf::reload_config;
3205		3540
3206	warn "loading extensions";	3541	warn "loading extensions";
3207	cf::load_extensions;	3542	cf::load_extensions;
3208		3543
3209	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
3229		3564
3230	sub reload_perl() {	3565	sub reload_perl() {
3231	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
3232	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
3233		3568
3234	$RELOAD_WATCHER ||= Event->timer (	3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3235	reentrant => 0,
3236	after => 0,
3237	data => WF_AUTOCANCEL,
3238	cb => sub {
3239	do_reload_perl;
3240	undef $RELOAD_WATCHER;	3570	undef $RELOAD_WATCHER;
3241	},	3571	do_reload_perl;
3242	);	3572	};
3243	}	3573	}
3244		3574
3245	register_command "reload" => sub {	3575	register_command "reload" => sub {
3246	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
3247		3577
3248	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
3249	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
3250	async { reload_perl };	3582	reload_perl;
		3583	};
3251	}	3584	}
3252	};	3585	};
3253		3586
3254	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
3255		3588
…		…
3274	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
3275	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
3276	$signal->wait;	3609	$signal->wait;
3277	}	3610	}
3278		3611
3279	my $min = 1e6;#d#	3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3280	my $avg = 10;
3281	$TICK_WATCHER = Event->timer (
3282	reentrant => 0,
3283	parked => 1,
3284	prio => 0,
3285	at => $NEXT_TICK || $TICK,
3286	data => WF_AUTOCANCEL,
3287	cb => sub {
3288	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
3289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3290	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
3291	return;	3616	return;
3292	}	3617	}
3293		3618
3294	$NOW = $tick_start = Event::time;	3619	$NOW = $tick_start = EV::now;
3295		3620
3296	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
3297		3622
3298	0 && sync_job {#d#	3623	$RUNTIME += $TICK;
3299	for(1..10) {	3624	$NEXT_TICK = $_[0]->at;
3300	my $t = Event::time;
3301	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3302	or die;
3303		3625
3304	$map->width (50);	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3305	$map->height (50);	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3306	$map->alloc;	3628	Coro::async_pool {
3307	$map->_load_objects ("/tmp/x.map", 1);	3629	$Coro::current->{desc} = "runtime saver";
3308	my $t = Event::time - $t;	3630	write_runtime
3309		3631	or warn "ERROR: unable to write runtime file: $!";
3310	#next unless $t < 0.0013;#d#
3311	if ($t < $min) {
3312	$min = $t;
3313	}
3314	$avg = $avg * 0.99 + $t * 0.01;
3315	}
3316	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3317	exit 0;
3318	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3319	};	3632	};
		3633	}
3320		3634
3321	$RUNTIME += $TICK;
3322	$NEXT_TICK += $TICK;
3323
3324	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3325	$NEXT_RUNTIME_WRITE = $NOW + 10;
3326	Coro::async_pool {
3327	write_runtime
3328	or warn "ERROR: unable to write runtime file: $!";
3329	};
3330	}
3331
3332	# my $AFTER = Event::time;
3333	# warn $AFTER - $NOW;#d#
3334
3335	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3336	$sig->send;	3636	$sig->send;
3337	}	3637	}
3338	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
3339	$sig->send;	3639	$sig->send;
3340	}	3640	}
3341		3641
3342	$NOW = Event::time;
3343
3344	# if we are delayed by four ticks or more, skip them all
3345	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3346
3347	$TICK_WATCHER->at ($NEXT_TICK);
3348	$TICK_WATCHER->start;
3349
3350	$LOAD = ($NOW - $tick_start) / $TICK;	3642	$LOAD = ($NOW - $tick_start) / $TICK;
3351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3352		3644
3353	_post_tick;	3645	_post_tick;
3354		3646	};
3355		3647	$TICK_WATCHER->priority (EV::MAXPRI);
3356	},
3357	);
3358		3648
3359	{	3649	{
3360	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
3361	$BDB_POLL_WATCHER = Event->io (	3651
3362	reentrant => 0,
3363	fd => BDB::poll_fileno,
3364	poll => 'r',
3365	prio => 0,
3366	data => WF_AUTOCANCEL,
3367	cb => \&BDB::poll_cb,
3368	);
3369	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
3370		3653	BDB::max_poll_reqs $TICK * 0.1;
3371	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
3372	my $status;
3373	my $current = $Coro::current;
3374	(
3375	sub {
3376	$status = $!;
3377	$current->ready; undef $current;
3378	},
3379	sub {
3380	Coro::schedule while defined $current;
3381	$! = $status;
3382	},
3383	)
3384	};
3385		3655
3386	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
3387	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3388		3662
3389	cf::sync_job {	3663	cf::sync_job {
3390	eval {	3664	eval {
3391	BDB::db_env_open	3665	BDB::db_env_open
3392	$DB_ENV,	3666	$DB_ENV,
…		…
3394	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3395	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3396	0666;	3670	0666;
3397		3671
3398	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3399
3400	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3401	$DB_ENV->set_lk_detect;
3402	};	3673	};
3403		3674
3404	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
3405	};	3676	};
3406	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
3407	}	3688	}
3408		3689
3409	{	3690	{
		3691	# configure IO::AIO
		3692
3410	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
3411
3412	undef $Coro::AIO::WATCHER;
3413	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
3414	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
3415	reentrant => 0,
3416	data => WF_AUTOCANCEL,
3417	fd => IO::AIO::poll_fileno,
3418	poll => 'r',
3419	prio => 6,
3420	cb => \&IO::AIO::poll_cb,
3421	);
3422	}	3696	}
3423		3697
3424	my $_log_backtrace;	3698	my $_log_backtrace;
3425		3699
3426	sub _log_backtrace {	3700	sub _log_backtrace {
…		…
3430		3704
3431	# limit the # of concurrent backtraces	3705	# limit the # of concurrent backtraces
3432	if ($_log_backtrace < 2) {	3706	if ($_log_backtrace < 2) {
3433	++$_log_backtrace;	3707	++$_log_backtrace;
3434	async {	3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
3435	my @bt = fork_call {	3711	my @bt = fork_call {
3436	@addr = map { sprintf "%x", $_ } @addr;	3712	@addr = map { sprintf "%x", $_ } @addr;
3437	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3438	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3439	or die "addr2line: $!";	3715	or die "addr2line: $!";

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