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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.291 by root, Tue Jul 3 00:54:44 2007 UTC vs.
Revision 1.396 by root, Wed Nov 14 08:09:46 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;	9	use EV;
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 4.1 ();
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::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
25	use JSON::XS 1.4 ();	26	use JSON::XS ();
26	use BDB ();	27	use BDB ();
27	use Data::Dumper;	28	use Data::Dumper;
28	use Digest::MD5;	29	use Digest::MD5;
29	use Fcntl;	30	use Fcntl;
30	use YAML::Syck ();	31	use YAML::Syck ();
31	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
32	use Time::HiRes;	33	use Time::HiRes;
33	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
34		36
35	# configure various modules to our taste	37	# configure various modules to our taste
36	#	38	#
37	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
38	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
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42		42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
45		45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
…		…
78	our $NEXT_TICK;	78	our $NEXT_TICK;
79	our $NOW;	79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		81
82	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	86	our $DB_ENV;
84		87
85	our %CFG;	88	our %CFG;
86		89
87	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	91	our $RUNTIME;
89		92
90	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
93		96
94	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		99
…		…
157		160
158	The raw value load value from the last tick.	161	The raw value load value from the last tick.
159		162
160	=item %cf::CFG	163	=item %cf::CFG
161		164
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	166	from wherever your confdir points to.
164		167
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		169
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	171	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
171	=back	180	=back
172		181
173	=cut	182	=cut
174		183
175	BEGIN {	184	BEGIN {
…		…
179	$msg .= "\n"	188	$msg .= "\n"
180	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
181		190
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		192
184	utf8::encode $msg;
185	LOG llevError, $msg;	193	LOG llevError, $msg;
186	};	194	};
187	}	195	}
188		196
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
…		…
205	)) {	213	)) {
206	no strict 'refs';	214	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	216	}
209		217
210	$Event::DIED = sub {	218	$EV::DIED = sub {
211	warn "error in event callback: @_";	219	warn "error in event callback: @_";
212	};	220	};
213		221
214	#############################################################################	222	#############################################################################
215		223
…		…
264	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
267	returned.	275	returned.
268		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
269	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
271		282
272	=item $locked = cf::lock_active $string	283	=item $locked = cf::lock_active $string
273		284
274	Return true if the lock is currently active, i.e. somebody has locked it.	285	Return true if the lock is currently active, i.e. somebody has locked it.
275		286
276	=cut	287	=cut
277		288
278	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
279		291
280	sub lock_wait($) {	292	sub lock_wait($) {
281	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
282		299
283	# wait for lock, if any	300	# wait for lock, if any
284	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	303	Coro::schedule;
…		…
292		309
293	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
294	lock_wait $key;	311	lock_wait $key;
295		312
296	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
297		315
298	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
301	}	320	}
302	}	321	}
303		322
…		…
315	};	334	};
316	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
317	$guard	336	$guard
318	}	337	}
319		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
320	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
321		413
322	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
323	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
324	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
327		419
328	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
329		421
330	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
331		423
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	424	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	425	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	427	acceptable.
336		428
337	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		435
344	sub sync_job(&) {	436	sub sync_job(&) {
345	my ($job) = @_;	437	my ($job) = @_;
346		438
347	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	440	my $time = EV::time;
349		441
350	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
352		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
353	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
354	# (but this is cancel-safe)	448	# (but this is cancel-safe)
355	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
356		450
357	my $busy = 1;	451	my $busy = 1;
358	my @res;	452	my @res;
359		453
360	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	456	@res = eval { $job->() };
362	warn $@ if $@;	457	warn $@ if $@;
363	undef $busy;	458	undef $busy;
364	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
365		460
366	while ($busy) {	461	while ($busy) {
367	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
368	}	466	}
		467	}
369		468
370	$time = Event::time - $time;	469	$time = EV::time - $time;
371		470
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"	471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;	472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374		473
375	$tick_start += $time; # do not account sync jobs to server load	474	$tick_start += $time; # do not account sync jobs to server load
…		…
405	=item fork_call { }, $args	504	=item fork_call { }, $args
406		505
407	Executes the given code block with the given arguments in a seperate	506	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	507	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	508	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	509	never block itself or use any form of event handling.
411		510
412	=cut	511	=cut
413		512
414	sub fork_call(&@) {	513	sub fork_call(&@) {
415	my ($cb, @args) = @_;	514	my ($cb, @args) = @_;
416		515
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	516	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	517	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	518	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		519
422	if (my $pid = fork) {	520	my @res = Coro::Util::fork_eval {
423	close $fh2;
424
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;	521	reset_signals;
435	local $SIG{__WARN__};	522	&$cb
436	local $SIG{__DIE__};	523	}, @args;
437	eval {
438	close $fh1;
439		524
440	my @res = eval { $cb->(@args) };	525	wantarray ? @res : $res[-1]
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}
447	}	526	}
448		527
449	=item $value = cf::db_get $family => $key	528	=item $value = cf::db_get $family => $key
450		529
451	Returns a single value from the environment database.	530	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	532	=item cf::db_put $family => $key => $value
454		533
455	Stores the given C<$value> in the family. It can currently store binary	534	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
458	=cut	542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
459		560
460	our $DB;	561	our $DB;
461		562
462	sub db_init {	563	sub db_init {
463	unless ($DB) {
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {	564	cf::sync_job {
467	eval {	565	$DB ||= db_table "db";
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}	566	};
477	}	567	}
478		568
479	sub db_get($$) {	569	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	570	my $key = "$_[0]/$_[1]";
481		571
…		…
531	if (1) {	621	if (1) {
532	$md5 =	622	$md5 =
533	join "\x00",	623	join "\x00",
534	$processversion,	624	$processversion,
535	map {	625	map {
536	Coro::cede;	626	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	627	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	628	} 0.. $#$src;
539		629
540		630
541	my $dbmd5 = db_get cache => "$id/md5";	631	my $dbmd5 = db_get cache => "$id/md5";
…		…
585	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
587		677
588	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	680	Deliantra).
591		681
592	=over 4	682	=over 4
593		683
594	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
595		685
…		…
847	";	937	";
848	die if $@;	938	die if $@;
849	}	939	}
850		940
851	our $override;	941	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		943
854	sub override {	944	sub override {
855	$override = 1;	945	$override = 1;
856	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
857	}	947	}
858		948
859	sub do_invoke {	949	sub do_invoke {
860	my $event = shift;	950	my $event = shift;
861	my $callbacks = shift;	951	my $callbacks = shift;
862		952
863	@invoke_results = ();	953	@INVOKE_RESULTS = ();
864		954
865	local $override;	955	local $override;
866		956
867	for (@$callbacks) {	957	for (@$callbacks) {
868	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
885		975
886	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
887		977
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		981
892	=back	982	=back
893		983
894	=cut	984	=cut
895		985
896	#############################################################################	986	#############################################################################
897	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
898		1030
899	sub reattach {	1031	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1033	my ($obj) = @_;
902		1034
…		…
949	sub object_freezer_save {	1081	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
951		1083
952	sync_job {	1084	sync_job {
953	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
956		1089
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
961	close $fh;	1094	close $fh;
962		1095
963	if (@$objs) {	1096	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
969	close $fh;	1102	close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
971	}	1104	}
…		…
979	}	1112	}
980	} else {	1113	} else {
981	aio_unlink $filename;	1114	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
983	}	1116	}
984	}	1117	};
985	}	1118	}
986		1119
987	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
989		1122
…		…
1001	or return;	1134	or return;
1002		1135
1003	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1138	or return;
		1139
1006	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
1007	}	1142	}
1008		1143
		1144	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1146	$decname, length $data, scalar @{$av || []};
		1147
1011	return ($data, $av);	1148	($data, $av)
1012	}	1149	}
1013		1150
1014	=head2 COMMAND CALLBACKS	1151	=head2 COMMAND CALLBACKS
1015		1152
1016	=over 4	1153	=over 4
…		…
1089	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
1090		1227
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1229
1093	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
1096	$pl->ext_reply ($msg->{msgid}, %reply);
1097	}
1098	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
1099	} else {	1245	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1247	}
1102		1248
1103	cf::override;	1249	cf::override;
…		…
1193		1339
1194	=head3 cf::player	1340	=head3 cf::player
1195		1341
1196	=over 4	1342	=over 4
1197		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
1198	=item cf::player::find $login	1358	=item cf::player::find $login
1199		1359
1200	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1201		1361
1202	=cut	1362	=cut
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1401
1242	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1245	}	1410	}
1246	}	1411	}
1247	}	1412	}
1248		1413
…		…
1258		1423
1259	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1261		1426
1262	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1263	Coro::cede;	1428	cf::cede_to_tick;
1264	}	1429	}
1265		1430
1266	sub new($) {	1431	sub new($) {
1267	my ($login) = @_;	1432	my ($login) = @_;
1268		1433
…		…
1272	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1273		1438
1274	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1275		1440
1276	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1277	}	1452	}
1278		1453
1279	=item $pl->quit_character	1454	=item $pl->quit_character
1280		1455
1281	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1336	or return [];	1511	or return [];
1337		1512
1338	my @logins;	1513	my @logins;
1339		1514
1340	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1344		1524
1345	utf8::decode $login;	1525	utf8::decode $login;
1346	push @logins, $login;	1526	push @logins, $login;
1347	}	1527	}
1348		1528
…		…
1381		1561
1382	Expand crossfire pod fragments into protocol xml.	1562	Expand crossfire pod fragments into protocol xml.
1383		1563
1384	=cut	1564	=cut
1385		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
1386	sub expand_cfpod {	1577	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;	1578	my ($self, $pod) = @_;
1388		1579
1389	# escape & and <	1580	my $xml;
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392		1581
1393	# this is buggy, it needs to properly take care of nested <'s	1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
1394		1585
1395	1 while	1586	$group =~ s/&/&amp;/g;
1396	# replace B<>, I<>, U<> etc.	1587	$group =~ s/</&lt;/g;
1397	s/B<([^\>]*)>/<b>$1<\/b>/	1588
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/	1589	$xml .= $group;
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/	1590	} elsif ($pod =~ m%\G
1400	# replace G<male|female> tags	1591	([BCGHITU])
1401	|| s{G<([^>|]*)\|([^>]*)>}{	1592	<
1402	$self->gender ? $2 : $1	1593	(?:
1403	}ge	1594	([^<>]*) (?{ $group = $^N })
1404	# replace H<hint text>	1595	| < $interior >
1405	|| s{H<([^\>]*)>}	1596	)
		1597	>
		1598	%gcsx
1406	{	1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")	1619	"")
1410	[$self->{hintmode}]	1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
1411	}ge;	1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
1412		1631
		1632	for ($xml) {
1413	# create single paragraphs (very hackish)	1633	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;	1634	s/(?<=\S)\n(?=\w)/ /g;
1415		1635
1416	# compress some whitespace	1636	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;	1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
1418		1642
1419	$_	1643	$xml
1420	}	1644	}
		1645
		1646	no re 'eval';
1421		1647
1422	sub hintmode {	1648	sub hintmode {
1423	warn "hm<$_[0] $_[1]>\n";#d#
1424	$_[0]{hintmode} = $_[1] if @_ > 1;	1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1425	$_[0]{hintmode}	1650	$_[0]{hintmode}
1426	}	1651	}
1427		1652
1428	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1429		1654
1430	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1431		1656
1432	=cut	1657	=cut
1433		1658
1434	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1435	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1436		1661
1437	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1438	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1439	}	1663	}
1440		1664
1441	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1442		1666
1443	Sends an ext event to the client.	1667	Sends an ext event to the client.
1444		1668
1445	=cut	1669	=cut
1446		1670
1447	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1448	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1449		1673
1450	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1451	}	1675	}
1452		1676
1453	=head3 cf::region	1677	=head3 cf::region
1454		1678
1455	=over 4	1679	=over 4
…		…
1468	my ($path) = @_;	1692	my ($path) = @_;
1469		1693
1470	my ($match, $specificity);	1694	my ($match, $specificity);
1471		1695
1472	for my $region (list) {	1696	for my $region (list) {
1473	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1474	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1475	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1476	}	1700	}
1477	}	1701	}
1478		1702
…		…
1598	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1599	return $self;	1823	return $self;
1600	}	1824	}
1601	}	1825	}
1602		1826
1603	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1604	()	1828	()
1605	}	1829	}
1606		1830
1607	sub init {	1831	sub init {
1608	my ($self) = @_;	1832	my ($self) = @_;
…		…
1671		1895
1672	sub load_header_from($) {	1896	sub load_header_from($) {
1673	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1674		1898
1675	utf8::encode $path;	1899	utf8::encode $path;
1676	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1677	# or return;
1678
1679	$self->_load_header ($path)
1680	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1681		1908
1682	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1683		1910
1684	1	1911	1
1685	}	1912	}
…		…
1739	sub find {	1966	sub find {
1740	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1741		1968
1742	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1743		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1744	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1745		1973
1746	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1747	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1748	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1749	or return;	1979	or return;
1750		1980
1751	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1752		1982
…		…
1754	or return;	1984	or return;
1755		1985
1756	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1757	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1758	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1759	$map->reset;	1991	$map->reset;
1760	undef $guard;
1761	return find $path;	1992	return find $path;
1762	}	1993	}
1763		1994
1764	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1765	}	1996	}
…		…
1774	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1775		2006
1776	my $path = $self->{path};	2007	my $path = $self->{path};
1777		2008
1778	{	2009	{
1779	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1780		2011
		2012	return unless $self->valid;
1781	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1782		2014
1783	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1784		2016
1785	$self->alloc;	2017	$self->alloc;
1786		2018
1787	$self->pre_load;	2019	$self->pre_load;
1788	Coro::cede;	2020	cf::cede_to_tick;
1789		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
1790	$self->_load_objects ($self->{load_path}, 1)	2024	$self->_load_objects ($f)
1791	or return;	2025	or return;
1792		2026
1793	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1794	if delete $self->{load_original};	2028	if delete $self->{load_original};
1795		2029
1796	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1797	utf8::encode $uniq;	2031	utf8::encode $uniq;
1798	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1799	$self->clear_unique_items;	2034	$self->clear_unique_items;
1800	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1801	}	2038	}
1802	}	2039	}
1803		2040
1804	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1805	# now do the right thing for maps	2044	# now do the right thing for maps
1806	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1807	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1808	unless $self->difficulty;	2047	unless $self->difficulty;
1809	Coro::cede;	2048	cf::cede_to_tick;
1810		2049
1811	unless ($self->{deny_activate}) {	2050	unless ($self->{deny_activate}) {
1812	$self->decay_objects;	2051	$self->decay_objects;
1813	$self->fix_auto_apply;	2052	$self->fix_auto_apply;
1814	$self->update_buttons;	2053	$self->update_buttons;
1815	Coro::cede;	2054	cf::cede_to_tick;
1816	$self->set_darkness_map;	2055	$self->set_darkness_map;
1817	Coro::cede;	2056	cf::cede_to_tick;
1818	$self->activate;	2057	$self->activate;
1819	}	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1820		2062
1821	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
1822	}	2064	}
1823		2065
1824	$self->post_load;	2066	$self->post_load;
…		…
1835		2077
1836	$self	2078	$self
1837	}	2079	}
1838		2080
1839	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1840	sub load_diag {	2082	sub load_neighbours {
1841	my ($map) = @_;	2083	my ($map) = @_;
1842		2084
1843	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1844		2086
1845	for (0 .. 3) {	2087	for (0 .. 3) {
1846	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1847	or next;	2089	or next;
1848	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1849	or next;	2091	or next;
1850	$neigh->load;	2092	$neigh->load;
1851		2093
		2094	push @neigh,
1852	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1853	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1854	}	2097	}
1855		2098
1856	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1857	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1858	or next;	2102	or next;
1859	$neigh->load;	2103	$neigh->load;
1860	}	2104	}
1861	}	2105	}
1862		2106
…		…
1867	}	2111	}
1868		2112
1869	sub do_load_sync {	2113	sub do_load_sync {
1870	my ($map) = @_;	2114	my ($map) = @_;
1871		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1872	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1873	}	2120	}
1874		2121
1875	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1876	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1877		2124
1878	sub find_async {	2125	sub find_async {
1879	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1880		2127
1881	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1882		2129
1883	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1884	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1885	}	2132	}
1886		2133
1887	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1888	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1889	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1890	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1891	my $map = find $path	2141	if (my $map = find $k) {
1892	or next;
1893	$map->load;	2142	$map->load if $v;
		2143	}
1894		2144
1895	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1896	}	2146	}
1897	}	2147	}
1898	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1899	};	2149	};
1900	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1903	}	2153	}
1904		2154
1905	sub save {	2155	sub save {
1906	my ($self) = @_;	2156	my ($self) = @_;
1907		2157
1908	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1909		2159
1910	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1911		2161
1912	return unless $self->dirty;	2162	return unless $self->dirty;
1913		2163
…		…
1919	return if $self->{deny_save};	2169	return if $self->{deny_save};
1920		2170
1921	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1922		2172
1923	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1924	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1925	};	2176	};
1926		2177
1927	if ($uniq) {	2178	if ($uniq) {
1928	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1936	my ($self) = @_;	2187	my ($self) = @_;
1937		2188
1938	# save first because save cedes	2189	# save first because save cedes
1939	$self->save;	2190	$self->save;
1940		2191
1941	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1942		2193
1943	return if $self->players;	2194	return if $self->players;
1944	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1945	return if $self->{deny_save};	2196	return if $self->{deny_save};
1946		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1947	$self->clear;	2202	$self->clear;
1948	$self->in_memory (cf::MAP_SWAPPED);
1949	}	2203	}
1950		2204
1951	sub reset_at {	2205	sub reset_at {
1952	my ($self) = @_;	2206	my ($self) = @_;
1953		2207
…		…
1985	if $uniq;	2239	if $uniq;
1986	}	2240	}
1987		2241
1988	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1989		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1990	$self->clear;	2246	$self->clear;
1991
1992	$_->clear_links_to ($self) for values %cf::MAP;
1993		2247
1994	$self->unlink_save;	2248	$self->unlink_save;
1995	$self->destroy;	2249	$self->destroy;
1996	}	2250	}
1997		2251
1998	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1999		2253
2000	sub nuke {	2254	sub nuke {
2001	my ($self) = @_;	2255	my ($self) = @_;
2002		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
2003	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
2004		2261
2005	$self->unlink_save;	2262	$self->unlink_save;
2006		2263
2007	bless $self, "cf::map";	2264	bless $self, "cf::map";
2008	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
2009	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
2010	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
2011	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2012		2269
2013	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
2014		2272
2015	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
2016	}	2274	}
2017		2275
2018	=item $maps = cf::map::tmp_maps	2276	=item $maps = cf::map::tmp_maps
…		…
2094		2352
2095	sub inv_recursive {	2353	sub inv_recursive {
2096	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
2097	}	2355	}
2098		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
		2383	}
		2384
2099	package cf;	2385	package cf;
2100		2386
2101	=back	2387	=back
2102		2388
2103	=head3 cf::object::player	2389	=head3 cf::object::player
…		…
2125		2411
2126	} else {	2412	} else {
2127	my $pl = $self->contr;	2413	my $pl = $self->contr;
2128		2414
2129	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2130	my $diag = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2131	$diag->{pl}->ext_reply (	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2132	$diag->{id},
2133	msgtype => "reply",
2134	msg => $diag->{pl}->expand_cfpod ($msg),
2135	add_topics => []
2136	);
2137		2418
2138	} else {	2419	} else {
2139	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2140	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
2141	}	2422	}
2142	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
2143	}	2434	}
2144		2435
2145	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
2146		2437
2147	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
2226	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
2227	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
2228	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
2229		2520
2230	$map->load;	2521	$map->load;
2231	$map->load_diag;	2522	$map->load_neighbours;
2232		2523
2233	return unless $self->contr->active;	2524	return unless $self->contr->active;
2234	$self->activate_recursive;	2525	$self->activate_recursive;
2235		2526
2236	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2237	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2238	}	2529	}
2239		2530
2240	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2241		2532
2242	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2243	her, loading and preparing them map, calling the provided $check callback	2534	her, loading and preparing them map, calling the provided $check callback
2244	that has to return the map if sucecssful, and then unfreezes the player on	2535	that has to return the map if sucecssful, and then unfreezes the player on
2245	the new (success) or old (failed) map position.	2536	the new (success) or old (failed) map position. In either case, $done will
		2537	be called at the end of this process.
2246		2538
2247	=cut	2539	=cut
2248		2540
2249	our $GOTOGEN;	2541	our $GOTOGEN;
2250		2542
2251	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
2252	my ($self, $path, $x, $y, $check) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
2253		2545
2254	# do generation counting so two concurrent goto's will be executed in-order	2546	# do generation counting so two concurrent goto's will be executed in-order
2255	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2256		2548
2257	$self->enter_link;	2549	$self->enter_link;
2258		2550
2259	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
2260	my $map = eval {	2573	my $map = eval {
2261	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
2262		2575
2263	if ($map) {	2576	if ($map) {
2264	$map = $map->customise_for ($self);	2577	$map = $map->customise_for ($self);
2265	$map = $check->($map) if $check && $map;	2578	$map = $check->($map) if $check && $map;
2266	} else {	2579	} else {
2267	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2268	}	2581	}
2269		2582
2270	$map	2583	$map
2271	};	2584	};
2272		2585
…		…
2277		2590
2278	if ($gen == $self->{_goto_generation}) {	2591	if ($gen == $self->{_goto_generation}) {
2279	delete $self->{_goto_generation};	2592	delete $self->{_goto_generation};
2280	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
2281	}	2594	}
		2595
		2596	$done->() if $done;
2282	})->prio (1);	2597	})->prio (1);
2283	}	2598	}
2284		2599
2285	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
2286		2601
…		…
2355	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2356	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2357		2672
2358	$self->enter_link;	2673	$self->enter_link;
2359		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2360	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2361	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2362	unless (eval {	2683	unless (eval {
2363	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2364		2685
2365	1;	2686	1;
…		…
2391		2712
2392	utf8::encode $text;	2713	utf8::encode $text;
2393	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2394	}	2715	}
2395		2716
2396	=item $client->send_msg ($color, $type, $msg, [extra...])	2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
2397		2718
2398	Send a drawinfo or msg packet to the client, formatting the msg for the	2719	Send a drawinfo or msg packet to the client, formatting the msg for the
2399	client if neccessary. C<$type> should be a string identifying the type of	2720	client if neccessary. C<$type> should be a string identifying the type of
2400	the message, with C<log> being the default. If C<$color> is negative, suppress	2721	the message, with C<log> being the default. If C<$color> is negative, suppress
2401	the message unless the client supports the msg packet.	2722	the message unless the client supports the msg packet.
2402		2723
2403	=cut	2724	=cut
2404		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
2405	sub cf::client::send_msg {	2778	sub cf::client::send_msg {
2406	my ($self, $color, $type, $msg, @extra) = @_;	2779	my ($self, $channel, $msg, $color, @extra) = @_;
2407		2780
2408	$msg = $self->pl->expand_cfpod ($msg);	2781	$msg = $self->pl->expand_cfpod ($msg);
2409		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
2410	if ($self->can_msg) {	2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
2411	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2412	} else {	2814	} else {
2413	# replace some tags by gcfclient-compatible ones
2414	for ($msg) {
2415	1 while
2416	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2417	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2418	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2419	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2420	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2421	}
2422
2423	if ($color >= 0) {	2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
2424	if (0 && $msg =~ /\[/) {	2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
2425	$self->send_packet ("drawextinfo $color 4 0 $msg")	2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2426	} else {	2833	} else {
2427	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2428	$self->send_packet ("drawinfo $color $msg")	2835	$self->send_packet ("drawinfo $color $msg")
2429	}	2836	}
2430	}	2837	}
2431	}	2838	}
2432	}	2839	}
2433		2840
2434	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2435		2842
2436	Sends an ext event to the client.	2843	Sends an ext event to the client.
2437		2844
2438	=cut	2845	=cut
2439		2846
2440	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2441	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2442		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2443	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2444	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2445	}	2874	}
2446		2875
2447	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2448		2877
2449	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
…		…
2504	my ($ns, $buf) = @_;	2933	my ($ns, $buf) = @_;
2505		2934
2506	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2507		2936
2508	if (ref $msg) {	2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
2509	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2945	if (my $cb = $EXTICMD{$type}) {
2510	if (my %reply = $cb->($ns, $msg)) {	2946	@reply = $cb->($ns, @payload);
2511	$reply{msgid} = $msg->{msgid};
2512	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2513	}
2514	}	2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
2515	} else {	2952	} else {
2516	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2517	}	2954	}
2518		2955
2519	cf::override;	2956	cf::override;
…		…
2566	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2567	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2568		3005
2569	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2570		3007
2571	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2572		3013
2573	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2574		3015
2575	=pod	3016	=pod
2576		3017
2577	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2578		3019
2579	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2580	cf::object::player player	3024	cf::object::player
2581	cf::player peaceful	3025	player
2582	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2583		3032
2584	=cut	3033	=cut
2585		3034
2586	for (	3035	for (
2587	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2588	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2589	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2590	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2591	) {	3042	) {
2592	no strict 'refs';	3043	no strict 'refs';
…		…
2668	# the server's init and main functions	3119	# the server's init and main functions
2669		3120
2670	sub load_facedata($) {	3121	sub load_facedata($) {
2671	my ($path) = @_;	3122	my ($path) = @_;
2672		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3129
2673	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2674		3131
2675	my $facedata;	3132	my $facedata;
2676	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
2677	or die "$path: $!";	3134	or die "$path: $!";
…		…
2679	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2680		3137
2681	$facedata->{version} == 2	3138	$facedata->{version} == 2
2682	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2683		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2684	{	3148	{
2685	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2686		3150
2687	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2688	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2689	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2690	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2691	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2692	Coro::cede;	3157
		3158	cf::cede_to_tick;
2693	}	3159	}
2694		3160
2695	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2696	next unless $info->{smooth};	3162	next unless $info->{smooth};
2697	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2698	or next;	3164	or next;
2699	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2700	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2701	} else {	3168	} else {
2702	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2703	}	3170	}
2704	Coro::cede;	3171
		3172	cf::cede_to_tick;
2705	}	3173	}
2706	}	3174	}
2707		3175
2708	{	3176	{
2709	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2710		3178
2711	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2712	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2713	Coro::cede;	3181	cf::cede_to_tick;
2714	}	3182	}
2715		3183
2716	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2717	}	3185	}
2718		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2719	1	3236	1
2720	}	3237	}
2721		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
2722	sub reload_regions {	3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
2723	load_resource_file "$MAPDIR/regions"	3252	load_resource_file "$MAPDIR/regions"
2724	or die "unable to load regions file\n";	3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
2725	}	3259	}
2726		3260
2727	sub reload_facedata {	3261	sub reload_facedata {
2728	load_facedata "$DATADIR/facedata"	3262	load_facedata "$DATADIR/facedata"
2729	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
…		…
2758		3292
2759	sub init {	3293	sub init {
2760	reload_resources;	3294	reload_resources;
2761	}	3295	}
2762		3296
2763	sub cfg_load {	3297	sub reload_config {
2764	open my $fh, "<:utf8", "$CONFDIR/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2765	or return;	3299	or return;
2766		3300
2767	local $/;	3301	local $/;
2768	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
…		…
2784	sub main {	3318	sub main {
2785	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2786	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2787	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2788	(async {	3322	(async {
2789	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2790	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2791	};	3326	};
2792		3327
2793	cfg_load;	3328	reload_config;
2794	db_init;	3329	db_init;
2795	load_extensions;	3330	load_extensions;
2796		3331
2797	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
2798	Event::loop;	3333	EV::loop;
2799	}	3334	}
2800		3335
2801	#############################################################################	3336	#############################################################################
2802	# initialisation and cleanup	3337	# initialisation and cleanup
2803		3338
2804	# install some emergency cleanup handlers	3339	# install some emergency cleanup handlers
2805	BEGIN {	3340	BEGIN {
		3341	our %SIGWATCHER = ();
2806	for my $signal (qw(INT HUP TERM)) {	3342	for my $signal (qw(INT HUP TERM)) {
2807	Event->signal (	3343	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2808	reentrant => 0,
2809	data => WF_AUTOCANCEL,
2810	signal => $signal,
2811	prio => 0,
2812	cb => sub {
2813	cf::cleanup "SIG$signal";	3344	cf::cleanup "SIG$signal";
2814	},
2815	);	3345	};
2816	}	3346	}
2817	}	3347	}
2818		3348
2819	sub write_runtime {	3349	sub write_runtime {
2820	my $runtime = "$LOCALDIR/runtime";	3350	my $runtime = "$LOCALDIR/runtime";
…		…
2865	# and maps saved/destroyed asynchronously.	3395	# and maps saved/destroyed asynchronously.
2866	warn "begin emergency player save\n";	3396	warn "begin emergency player save\n";
2867	for my $login (keys %cf::PLAYER) {	3397	for my $login (keys %cf::PLAYER) {
2868	my $pl = $cf::PLAYER{$login} or next;	3398	my $pl = $cf::PLAYER{$login} or next;
2869	$pl->valid or next;	3399	$pl->valid or next;
		3400	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2870	$pl->save;	3401	$pl->save;
2871	}	3402	}
2872	warn "end emergency player save\n";	3403	warn "end emergency player save\n";
2873		3404
2874	warn "begin emergency map save\n";	3405	warn "begin emergency map save\n";
…		…
2913	warn "syncing database to disk";	3444	warn "syncing database to disk";
2914	BDB::db_env_txn_checkpoint $DB_ENV;	3445	BDB::db_env_txn_checkpoint $DB_ENV;
2915		3446
2916	# if anything goes wrong in here, we should simply crash as we already saved	3447	# if anything goes wrong in here, we should simply crash as we already saved
2917		3448
2918	warn "cancelling all WF_AUTOCANCEL watchers";
2919	for (Event::all_watchers) {
2920	$_->cancel if $_->data & WF_AUTOCANCEL;
2921	}
2922
2923	warn "flushing outstanding aio requests";	3449	warn "flushing outstanding aio requests";
2924	for (;;) {	3450	for (;;) {
2925	BDB::flush;	3451	BDB::flush;
2926	IO::AIO::flush;	3452	IO::AIO::flush;
2927	Coro::cede;	3453	Coro::cede_notself;
2928	last unless IO::AIO::nreqs || BDB::nreqs;	3454	last unless IO::AIO::nreqs || BDB::nreqs;
2929	warn "iterate...";	3455	warn "iterate...";
2930	}	3456	}
2931		3457
2932	++$RELOAD;	3458	++$RELOAD;
…		…
2991	warn "reloading cf.pm";	3517	warn "reloading cf.pm";
2992	require cf;	3518	require cf;
2993	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3519	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2994		3520
2995	warn "loading config and database again";	3521	warn "loading config and database again";
2996	cf::cfg_load;	3522	cf::reload_config;
2997		3523
2998	warn "loading extensions";	3524	warn "loading extensions";
2999	cf::load_extensions;	3525	cf::load_extensions;
3000		3526
3001	warn "reattaching attachments to objects/players";	3527	warn "reattaching attachments to objects/players";
…		…
3021		3547
3022	sub reload_perl() {	3548	sub reload_perl() {
3023	# doing reload synchronously and two reloads happen back-to-back,	3549	# doing reload synchronously and two reloads happen back-to-back,
3024	# coro crashes during coro_state_free->destroy here.	3550	# coro crashes during coro_state_free->destroy here.
3025		3551
3026	$RELOAD_WATCHER ||= Event->timer (	3552	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3027	reentrant => 0,
3028	after => 0,
3029	data => WF_AUTOCANCEL,
3030	cb => sub {
3031	do_reload_perl;
3032	undef $RELOAD_WATCHER;	3553	undef $RELOAD_WATCHER;
3033	},	3554	do_reload_perl;
3034	);	3555	};
3035	}	3556	}
3036		3557
3037	register_command "reload" => sub {	3558	register_command "reload" => sub {
3038	my ($who, $arg) = @_;	3559	my ($who, $arg) = @_;
3039		3560
3040	if ($who->flag (FLAG_WIZ)) {	3561	if ($who->flag (FLAG_WIZ)) {
3041	$who->message ("reloading server.");	3562	$who->message ("reloading server.");
		3563	async {
		3564	$Coro::current->{desc} = "perl_reload";
3042	async { reload_perl };	3565	reload_perl;
		3566	};
3043	}	3567	}
3044	};	3568	};
3045		3569
3046	unshift @INC, $LIBDIR;	3570	unshift @INC, $LIBDIR;
3047		3571
…		…
3066	my $signal = new Coro::Signal;	3590	my $signal = new Coro::Signal;
3067	push @WAIT_FOR_TICK_BEGIN, $signal;	3591	push @WAIT_FOR_TICK_BEGIN, $signal;
3068	$signal->wait;	3592	$signal->wait;
3069	}	3593	}
3070		3594
3071	my $min = 1e6;#d#	3595	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3072	my $avg = 10;
3073	$TICK_WATCHER = Event->timer (
3074	reentrant => 0,
3075	parked => 1,
3076	prio => 0,
3077	at => $NEXT_TICK || $TICK,
3078	data => WF_AUTOCANCEL,
3079	cb => sub {
3080	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
3081	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3597	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3082	unless ++$bug_warning > 10;	3598	unless ++$bug_warning > 10;
3083	return;	3599	return;
3084	}	3600	}
3085		3601
3086	$NOW = $tick_start = Event::time;	3602	$NOW = $tick_start = EV::now;
3087		3603
3088	cf::server_tick; # one server iteration	3604	cf::server_tick; # one server iteration
3089		3605
3090	0 && sync_job {#d#	3606	$RUNTIME += $TICK;
3091	for(1..10) {	3607	$NEXT_TICK += $TICK;
3092	my $t = Event::time;
3093	my $map = my $map = new_from_path cf::map "/tmp/x.map"
3094	or die;
3095		3608
3096	$map->width (50);	3609	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3097	$map->height (50);	3610	$NEXT_RUNTIME_WRITE = $NOW + 10;
3098	$map->alloc;	3611	Coro::async_pool {
3099	$map->_load_objects ("/tmp/x.map", 1);	3612	$Coro::current->{desc} = "runtime saver";
3100	my $t = Event::time - $t;	3613	write_runtime
3101		3614	or warn "ERROR: unable to write runtime file: $!";
3102	#next unless $t < 0.0013;#d#
3103	if ($t < $min) {
3104	$min = $t;
3105	}
3106	$avg = $avg * 0.99 + $t * 0.01;
3107	}
3108	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3109	exit 0;
3110	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3111	};	3615	};
		3616	}
3112		3617
3113	$RUNTIME += $TICK;
3114	$NEXT_TICK += $TICK;
3115
3116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3117	$NEXT_RUNTIME_WRITE = $NOW + 10;
3118	Coro::async_pool {
3119	write_runtime
3120	or warn "ERROR: unable to write runtime file: $!";
3121	};
3122	}
3123
3124	# my $AFTER = Event::time;
3125	# warn $AFTER - $NOW;#d#
3126
3127	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3618	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3128	$sig->send;	3619	$sig->send;
3129	}	3620	}
3130	while (my $sig = shift @WAIT_FOR_TICK) {	3621	while (my $sig = shift @WAIT_FOR_TICK) {
3131	$sig->send;	3622	$sig->send;
3132	}	3623	}
3133		3624
3134	$NOW = Event::time;
3135
3136	# if we are delayed by four ticks or more, skip them all
3137	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3138
3139	$TICK_WATCHER->at ($NEXT_TICK);
3140	$TICK_WATCHER->start;
3141
3142	$LOAD = ($NOW - $tick_start) / $TICK;	3625	$LOAD = ($NOW - $tick_start) / $TICK;
3143	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3626	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3144		3627
3145	_post_tick;	3628	_post_tick;
3146		3629	};
3147		3630	$TICK_WATCHER->priority (EV::MAXPRI);
3148	},
3149	);
3150		3631
3151	{	3632	{
		3633	BDB::min_parallel 8;
3152	BDB::max_poll_time $TICK * 0.1;	3634	BDB::max_poll_time $TICK * 0.1;
3153	$BDB_POLL_WATCHER = Event->io (	3635	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
3154	reentrant => 0,
3155	fd => BDB::poll_fileno,
3156	poll => 'r',
3157	prio => 0,
3158	data => WF_AUTOCANCEL,
3159	cb => \&BDB::poll_cb,
3160	);
3161	BDB::min_parallel 8;
3162		3636
3163	BDB::set_sync_prepare {	3637	BDB::set_sync_prepare {
3164	my $status;	3638	my $status;
3165	my $current = $Coro::current;	3639	my $current = $Coro::current;
3166	(	3640	(
…		…
3175	)	3649	)
3176	};	3650	};
3177		3651
3178	unless ($DB_ENV) {	3652	unless ($DB_ENV) {
3179	$DB_ENV = BDB::db_env_create;	3653	$DB_ENV = BDB::db_env_create;
		3654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3655	| BDB::LOG_AUTOREMOVE, 1);
		3656	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3657	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3180		3658
3181	cf::sync_job {	3659	cf::sync_job {
3182	eval {	3660	eval {
3183	BDB::db_env_open	3661	BDB::db_env_open
3184	$DB_ENV,	3662	$DB_ENV,
…		…
3186	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3187	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3188	0666;	3666	0666;
3189		3667
3190	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3668	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3191
3192	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3193	$DB_ENV->set_lk_detect;
3194	};	3669	};
3195		3670
3196	cf::cleanup "db_env_open(db): $@" if $@;	3671	cf::cleanup "db_env_open(db): $@" if $@;
3197	};	3672	};
3198	}	3673	}
		3674
		3675	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3676	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3677	};
		3678	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3679	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3680	};
		3681	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	};
3199	}	3684	}
3200		3685
3201	{	3686	{
3202	IO::AIO::min_parallel 8;	3687	IO::AIO::min_parallel 8;
3203		3688
3204	undef $Coro::AIO::WATCHER;	3689	undef $Coro::AIO::WATCHER;
3205	IO::AIO::max_poll_time $TICK * 0.1;	3690	IO::AIO::max_poll_time $TICK * 0.1;
3206	$AIO_POLL_WATCHER = Event->io (	3691	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	fd => IO::AIO::poll_fileno,
3210	poll => 'r',
3211	prio => 6,
3212	cb => \&IO::AIO::poll_cb,
3213	);
3214	}	3692	}
3215		3693
3216	my $_log_backtrace;	3694	my $_log_backtrace;
3217		3695
3218	sub _log_backtrace {	3696	sub _log_backtrace {
…		…
3222		3700
3223	# limit the # of concurrent backtraces	3701	# limit the # of concurrent backtraces
3224	if ($_log_backtrace < 2) {	3702	if ($_log_backtrace < 2) {
3225	++$_log_backtrace;	3703	++$_log_backtrace;
3226	async {	3704	async {
		3705	$Coro::current->{desc} = "abt $msg";
		3706
3227	my @bt = fork_call {	3707	my @bt = fork_call {
3228	@addr = map { sprintf "%x", $_ } @addr;	3708	@addr = map { sprintf "%x", $_ } @addr;
3229	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3709	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3230	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3710	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3231	or die "addr2line: $!";	3711	or die "addr2line: $!";

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