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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.331 by root, Mon Aug 13 13:10:01 2007 UTC vs.
Revision 1.412 by root, Wed Apr 2 11:13:55 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV 1.86;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro 4.32 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
24		47
25	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
26	use BDB ();	49	use BDB ();
27	use Data::Dumper;	50	use Data::Dumper;
28	use Digest::MD5;	51	use Digest::MD5;
29	use Fcntl;	52	use Fcntl;
30	use YAML::Syck ();	53	use YAML ();
31	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
32	use Time::HiRes;	55	use Time::HiRes;
33	use Compress::LZF;	56	use Compress::LZF;
34	use Digest::MD5 ();	57	use Digest::MD5 ();
35		58
36	# configure various modules to our taste	59	# configure various modules to our taste
37	#	60	#
38	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	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	63	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
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		64
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		66
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		68
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
74		93
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	97	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		99
83	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	104	our $DB_ENV;
85		105
86	our %CFG;	106	our %CFG;
87		107
88	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
90		111
91	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
94		115
95	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		118
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
101		123
102	binmode STDOUT;	124	binmode STDOUT;
103	binmode STDERR;	125	binmode STDERR;
104		126
105	# read virtual server time, if available	127	# read virtual server time, if available
…		…
158		180
159	The raw value load value from the last tick.	181	The raw value load value from the last tick.
160		182
161	=item %cf::CFG	183	=item %cf::CFG
162		184
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	186	from wherever your confdir points to.
165		187
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		189
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	208	$msg .= "\n"
187	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
188		210
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		212
191	utf8::encode $msg;
192	LOG llevError, $msg;	213	LOG llevError, $msg;
193	};	214	};
194	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
195		231
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
212	)) {	248	)) {
213	no strict 'refs';	249	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	251	}
216		252
217	$Event::DIED = sub {	253	$EV::DIED = sub {
218	warn "error in event callback: @_";	254	warn "error in event callback: @_";
219	};	255	};
220		256
221	#############################################################################	257	#############################################################################
222		258
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	282	$d
247	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
248	}	284	}
249		285
250	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
251		287
252	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
253		289
254	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
255		291
256	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
257		293
258	=cut	294	=cut
259		295
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		297
262	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
264		300
265	=item cf::lock_wait $string	301	=item cf::lock_wait $string
266		302
267	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
268		304
…		…
271	Wait until the given lock is available and then acquires it and returns	307	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,	308	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	309	for example when the coroutine gets canceled), the lock is automatically
274	returned.	310	returned.
275		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
276	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
278		317
279	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
280		319
281	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
282		321
283	=cut	322	=cut
284		323
285	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
286		326
287	sub lock_wait($) {	327	sub lock_wait($) {
288	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
289		334
290	# wait for lock, if any	335	# wait for lock, if any
291	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	338	Coro::schedule;
…		…
299		344
300	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
301	lock_wait $key;	346	lock_wait $key;
302		347
303	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
304		350
305	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
308	}	355	}
309	}	356	}
310		357
…		…
313		360
314	! ! $LOCK{$key}	361	! ! $LOCK{$key}
315	}	362	}
316		363
317	sub freeze_mainloop {	364	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
319		366
320	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	368	}
322	};	369
323	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
324	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
325	}	383	}
326		384
327	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
328		386
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
340	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
342		400
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
345	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
346		406
347	while () {	407	while () {
348	next_job:	408	next_job:
349	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
357	}	417	}
358	}	418	}
359	}	419	}
360		420
361	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;	424	$signal->wait;
365	} else {	425	} else {
366	Coro::schedule;	426	Coro::schedule;
367	}	427	}
…		…
390		450
391	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
392		452
393	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
394		454
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	455	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	456	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	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	458	acceptable.
399		459
400	If it must be done, put the blocking parts into C<sync_job>. This will run	460	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	461	the given BLOCK in another coroutine while waiting for the result. The
…		…
406		466
407	sub sync_job(&) {	467	sub sync_job(&) {
408	my ($job) = @_;	468	my ($job) = @_;
409		469
410	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
411	my $time = Event::time;	471	my $time = EV::time;
412		472
413	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
415		475
416	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	477
418	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
419		479
420	my $busy = 1;	480	my $busy = 1;
421	my @res;	481	my @res;
422		482
423	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	485	@res = eval { $job->() };
425	warn $@ if $@;	486	warn $@ if $@;
426	undef $busy;	487	undef $busy;
427	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
428		489
429	while ($busy) {	490	while ($busy) {
430	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
431	}	495	}
		496	}
432		497
433	$time = Event::time - $time;	498	my $time = EV::time - $time;
434		499
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	500	$TICK_START += $time; # do not account sync jobs to server load
439		501
440	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
441	} else {	503	} else {
442	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
443		505
…		…
468	=item fork_call { }, $args	530	=item fork_call { }, $args
469		531
470	Executes the given code block with the given arguments in a seperate	532	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	533	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	534	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	535	never block itself or use any form of event handling.
474		536
475	=cut	537	=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		538
486	sub fork_call(&@) {	539	sub fork_call(&@) {
487	my ($cb, @args) = @_;	540	my ($cb, @args) = @_;
488		541
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	542	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	543	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	544	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		545
494	if (my $pid = fork) {	546	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;	547	reset_signals;
508	local $SIG{__WARN__};	548	&$cb
509	local $SIG{__DIE__};	549	}, @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		550
516	eval {	551	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	}	552	}
529		553
530	=item $value = cf::db_get $family => $key	554	=item $value = cf::db_get $family => $key
531		555
532	Returns a single value from the environment database.	556	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	558	=item cf::db_put $family => $key => $value
535		559
536	Stores the given C<$value> in the family. It can currently store binary	560	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).	561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
539	=cut	568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
540		586
541	our $DB;	587	our $DB;
542		588
543	sub db_init {	589	sub db_init {
544	unless ($DB) {
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {	590	cf::sync_job {
548	eval {	591	$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	}	592	};
558	}	593	}
559		594
560	sub db_get($$) {	595	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	596	my $key = "$_[0]/$_[1]";
562		597
…		…
612	if (1) {	647	if (1) {
613	$md5 =	648	$md5 =
614	join "\x00",	649	join "\x00",
615	$processversion,	650	$processversion,
616	map {	651	map {
617	Coro::cede;	652	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	653	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	654	} 0.. $#$src;
620		655
621		656
622	my $dbmd5 = db_get cache => "$id/md5";	657	my $dbmd5 = db_get cache => "$id/md5";
…		…
666	attach callbacks/event handlers (a collection of which is called an "attachment")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
668		703
669	In the following description, CLASS can be any of C<global>, C<object>	704	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	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	706	Deliantra).
672		707
673	=over 4	708	=over 4
674		709
675	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
676		711
…		…
958	}	993	}
959		994
960	0	995	0
961	}	996	}
962		997
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		999
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1001
967	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
968		1003
…		…
974		1009
975	=cut	1010	=cut
976		1011
977	#############################################################################	1012	#############################################################################
978	# object support	1013	# object support
979	#
980		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
981	sub _can_merge {	1048	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1049	my ($ob1, $ob2) = @_;
983		1050
984	local $Storable::canonical = 1;	1051	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1052
988	$fob1 eq $fob2	1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
989	}	1055	}
990		1056
991	sub reattach {	1057	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1059	my ($obj) = @_;
…		…
1015	cf::attachable->attach (	1081	cf::attachable->attach (
1016	prio => -1000000,	1082	prio => -1000000,
1017	on_instantiate => sub {	1083	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
1019		1085
1020	$data = from_json $data;	1086	$data = decode_json $data;
1021		1087
1022	for (@$data) {	1088	for (@$data) {
1023	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
1024		1090
1025	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1107	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
1043		1109
1044	sync_job {	1110	sync_job {
1045	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
1048		1115
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
1053	close $fh;	1120	close $fh;
1054		1121
1055	if (@$objs) {	1122	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
1060	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
1061	close $fh;	1128	close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1130	}
…		…
1071	}	1138	}
1072	} else {	1139	} else {
1073	aio_unlink $filename;	1140	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
1075	}	1142	}
1076	}	1143	};
1077	}	1144	}
1078		1145
1079	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
1081		1148
…		…
1093	or return;	1160	or return;
1094		1161
1095	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1164	or return;
		1165
1098	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
1099	}	1168	}
1100		1169
		1170	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1172	$decname, length $data, scalar @{$av || []};
		1173
1103	return ($data, $av);	1174	($data, $av)
1104	}	1175	}
1105		1176
1106	=head2 COMMAND CALLBACKS	1177	=head2 COMMAND CALLBACKS
1107		1178
1108	=over 4	1179	=over 4
…		…
1186	my ($type, $reply, @payload) =	1257	my ($type, $reply, @payload) =
1187	"ARRAY" eq ref $msg	1258	"ARRAY" eq ref $msg
1188	? @$msg	1259	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1261
		1262	my @reply;
		1263
1191	if (my $cb = $EXTCMD{$type}) {	1264	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1265	@reply = $cb->($pl, @payload);
1193
1194	$pl->ext_reply ($reply, @reply)
1195	if $reply;
1196	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
1197	} else {	1271	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1273	}
1200		1274
1201	cf::override;	1275	cf::override;
…		…
1254	my $msg = $@ ? "$v->{path}: $@\n"	1328	my $msg = $@ ? "$v->{path}: $@\n"
1255	: "$v->{base}: extension inactive.\n";	1329	: "$v->{base}: extension inactive.\n";
1256		1330
1257	if (exists $v->{meta}{mandatory}) {	1331	if (exists $v->{meta}{mandatory}) {
1258	warn $msg;	1332	warn $msg;
1259	warn "mandatory extension failed to load, exiting.\n";	1333	cf::cleanup "mandatory extension failed to load, exiting.";
1260	exit 1;
1261	}	1334	}
1262		1335
1263	warn $msg;	1336	warn $msg;
1264	}	1337	}
1265		1338
…		…
1290	use Coro::AIO;	1363	use Coro::AIO;
1291		1364
1292	=head3 cf::player	1365	=head3 cf::player
1293		1366
1294	=over 4	1367	=over 4
		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
1295		1382
1296	=item cf::player::find $login	1383	=item cf::player::find $login
1297		1384
1298	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
1299		1386
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1426
1340	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
1343	}	1435	}
1344	}	1436	}
1345	}	1437	}
1346		1438
…		…
1356		1448
1357	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1359		1451
1360	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1361	Coro::cede;	1453	cf::cede_to_tick;
1362	}	1454	}
1363		1455
1364	sub new($) {	1456	sub new($) {
1365	my ($login) = @_;	1457	my ($login) = @_;
1366		1458
…		…
1444	or return [];	1536	or return [];
1445		1537
1446	my @logins;	1538	my @logins;
1447		1539
1448	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1449	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1451	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1452		1549
1453	utf8::decode $login;	1550	utf8::decode $login;
1454	push @logins, $login;	1551	push @logins, $login;
1455	}	1552	}
1456		1553
…		…
1489		1586
1490	Expand crossfire pod fragments into protocol xml.	1587	Expand crossfire pod fragments into protocol xml.
1491		1588
1492	=cut	1589	=cut
1493		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
1494	sub expand_cfpod {	1602	sub expand_cfpod {
1495	((my $self), (local $_)) = @_;	1603	my ($self, $pod) = @_;
1496		1604
1497	# escape & and <	1605	my $xml;
1498	s/&/&amp;/g;
1499	s/(?<![BIUGH])</&lt;/g;
1500		1606
1501	# this is buggy, it needs to properly take care of nested <'s	1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
1502		1610
1503	1 while	1611	$group =~ s/&/&amp;/g;
1504	# replace B<>, I<>, U<> etc.	1612	$group =~ s/</&lt;/g;
1505	s/B<([^\>]*)>/<b>$1<\/b>/	1613
1506	|| s/I<([^\>]*)>/<i>$1<\/i>/	1614	$xml .= $group;
1507	|| s/U<([^\>]*)>/<u>$1<\/u>/	1615	} elsif ($pod =~ m%\G
1508	# replace G<male|female> tags	1616	([BCGHITU])
1509	|| s{G<([^>|]*)\|([^>]*)>}{	1617	<
1510	$self->gender ? $2 : $1	1618	(?:
1511	}ge	1619	([^<>]*) (?{ $group = $^N })
1512	# replace H<hint text>	1620	| < $interior >
1513	|| s{H<([^\>]*)>}	1621	)
		1622	>
		1623	%gcsx
1514	{	1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
1515	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1516	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517	"")	1644	"")
1518	[$self->{hintmode}]	1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
1519	}ge;	1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
1520		1656
		1657	for ($xml) {
1521	# create single paragraphs (very hackish)	1658	# create single paragraphs (very hackish)
1522	s/(?<=\S)\n(?=\w)/ /g;	1659	s/(?<=\S)\n(?=\w)/ /g;
1523		1660
1524	# compress some whitespace	1661	# compress some whitespace
1525	s/\s+\n/\n/g; # ws line-ends	1662	s/\s+\n/\n/g; # ws line-ends
1526	s/\n\n+/\n/g; # double lines	1663	s/\n\n+/\n/g; # double lines
1527	s/^\n+//; # beginning lines	1664	s/^\n+//; # beginning lines
1528	s/\n+$//; # ending lines	1665	s/\n+$//; # ending lines
		1666	}
1529		1667
1530	$_	1668	$xml
1531	}	1669	}
		1670
		1671	no re 'eval';
1532		1672
1533	sub hintmode {	1673	sub hintmode {
1534	$_[0]{hintmode} = $_[1] if @_ > 1;	1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1535	$_[0]{hintmode}	1675	$_[0]{hintmode}
1536	}	1676	}
…		…
1542	=cut	1682	=cut
1543		1683
1544	sub ext_reply($$@) {	1684	sub ext_reply($$@) {
1545	my ($self, $id, @msg) = @_;	1685	my ($self, $id, @msg) = @_;
1546		1686
1547	if ($self->ns->extcmd == 2) {	1687	$self->ns->ext_reply ($id, @msg)
1548	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549	} elsif ($self->ns->extcmd == 1) {
1550	#TODO: version 1, remove
1551	unshift @msg, msgtype => "reply", msgid => $id;
1552	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553	}
1554	}	1688	}
1555		1689
1556	=item $player->ext_msg ($type, @msg)	1690	=item $player->ext_msg ($type, @msg)
1557		1691
1558	Sends an ext event to the client.	1692	Sends an ext event to the client.
…		…
1786		1920
1787	sub load_header_from($) {	1921	sub load_header_from($) {
1788	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1789		1923
1790	utf8::encode $path;	1924	utf8::encode $path;
1791	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1792	# or return;
1793
1794	$self->_load_header ($path)
1795	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1796		1933
1797	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1798		1935
1799	1	1936	1
1800	}	1937	}
…		…
1854	sub find {	1991	sub find {
1855	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1856		1993
1857	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1858		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1859	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1860		1998
1861	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1862	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1863	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1864	or return;	2004	or return;
1865		2005
1866	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1867		2007
…		…
1869	or return;	2009	or return;
1870		2010
1871	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1873	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1874	$map->reset;	2016	$map->reset;
1875	undef $guard;
1876	return find $path;	2017	return find $path;
1877	}	2018	}
1878		2019
1879	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1880	}	2021	}
…		…
1889	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1890		2031
1891	my $path = $self->{path};	2032	my $path = $self->{path};
1892		2033
1893	{	2034	{
1894	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1895		2036
		2037	return unless $self->valid;
1896	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1897		2039
1898	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1899		2041
1900	$self->alloc;	2042	$self->alloc;
1901		2043
1902	$self->pre_load;	2044	$self->pre_load;
1903	Coro::cede;	2045	cf::cede_to_tick;
1904		2046
		2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
1905	$self->_load_objects ($self->{load_path}, 1)	2049	$self->_load_objects ($f)
1906	or return;	2050	or return;
1907		2051
1908	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1909	if delete $self->{load_original};	2053	if delete $self->{load_original};
1910		2054
1911	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1912	utf8::encode $uniq;	2056	utf8::encode $uniq;
1913	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1914	$self->clear_unique_items;	2059	$self->clear_unique_items;
1915	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1916	}	2063	}
1917	}	2064	}
1918		2065
1919	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1920	# now do the right thing for maps	2069	# now do the right thing for maps
1921	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1922	$self->difficulty ($self->estimate_difficulty)	2071	$self->difficulty ($self->estimate_difficulty)
1923	unless $self->difficulty;	2072	unless $self->difficulty;
1924	Coro::cede;	2073	cf::cede_to_tick;
1925		2074
1926	unless ($self->{deny_activate}) {	2075	unless ($self->{deny_activate}) {
1927	$self->decay_objects;	2076	$self->decay_objects;
1928	$self->fix_auto_apply;	2077	$self->fix_auto_apply;
1929	$self->update_buttons;	2078	$self->update_buttons;
1930	Coro::cede;	2079	cf::cede_to_tick;
1931	$self->set_darkness_map;	2080	$self->set_darkness_map;
1932	Coro::cede;	2081	cf::cede_to_tick;
1933	$self->activate;	2082	$self->activate;
1934	}	2083	}
1935		2084
1936	$self->{last_save} = $cf::RUNTIME;	2085	$self->{last_save} = $cf::RUNTIME;
1937	$self->last_access ($cf::RUNTIME);	2086	$self->last_access ($cf::RUNTIME);
…		…
1953		2102
1954	$self	2103	$self
1955	}	2104	}
1956		2105
1957	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1958	sub load_diag {	2107	sub load_neighbours {
1959	my ($map) = @_;	2108	my ($map) = @_;
1960		2109
1961	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1962		2111
1963	for (0 .. 3) {	2112	for (0 .. 3) {
1964	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1965	or next;	2114	or next;
1966	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1967	or next;	2116	or next;
1968	$neigh->load;	2117	$neigh->load;
1969		2118
		2119	push @neigh,
1970	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1971	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1972	}	2122	}
1973		2123
1974	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1975	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1976	or next;	2127	or next;
1977	$neigh->load;	2128	$neigh->load;
1978	}	2129	}
1979	}	2130	}
1980		2131
…		…
1985	}	2136	}
1986		2137
1987	sub do_load_sync {	2138	sub do_load_sync {
1988	my ($map) = @_;	2139	my ($map) = @_;
1989		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1990	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1991	}	2145	}
1992		2146
1993	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1994	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1995		2149
1996	sub find_async {	2150	sub find_async {
1997	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1998		2152
1999	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
2000		2154
2001	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
2002	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2003	}	2157	}
2004		2158
2005	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
2006	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
2007	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
2008	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
2009	if (my $map = find $path) {	2166	if (my $map = find $k) {
2010	$map->load;	2167	$map->load if $v;
2011	}	2168	}
2012		2169
2013	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
2014	}	2171	}
2015	}	2172	}
2016	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
2017	};	2174	};
2018	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
2021	}	2178	}
2022		2179
2023	sub save {	2180	sub save {
2024	my ($self) = @_;	2181	my ($self) = @_;
2025		2182
2026	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
2027		2184
2028	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
2029		2186
2030	return unless $self->dirty;	2187	return unless $self->dirty;
2031		2188
…		…
2037	return if $self->{deny_save};	2194	return if $self->{deny_save};
2038		2195
2039	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
2040		2197
2041	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
2042	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
2043	};	2201	};
2044		2202
2045	if ($uniq) {	2203	if ($uniq) {
2046	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
2054	my ($self) = @_;	2212	my ($self) = @_;
2055		2213
2056	# save first because save cedes	2214	# save first because save cedes
2057	$self->save;	2215	$self->save;
2058		2216
2059	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2060		2218
2061	return if $self->players;	2219	return if $self->players;
2062	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
2063	return if $self->{deny_save};	2221	return if $self->{deny_save};
2064		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
2065	$self->clear;	2227	$self->clear;
2066	$self->in_memory (cf::MAP_SWAPPED);
2067	}	2228	}
2068		2229
2069	sub reset_at {	2230	sub reset_at {
2070	my ($self) = @_;	2231	my ($self) = @_;
2071		2232
…		…
2103	if $uniq;	2264	if $uniq;
2104	}	2265	}
2105		2266
2106	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
2107		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
2108	$self->clear;	2271	$self->clear;
2109
2110	$_->clear_links_to ($self) for values %cf::MAP;
2111		2272
2112	$self->unlink_save;	2273	$self->unlink_save;
2113	$self->destroy;	2274	$self->destroy;
2114	}	2275	}
2115		2276
2116	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
2117		2278
2118	sub nuke {	2279	sub nuke {
2119	my ($self) = @_;	2280	my ($self) = @_;
2120		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
2121	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
2122		2286
2123	$self->unlink_save;	2287	$self->unlink_save;
2124		2288
2125	bless $self, "cf::map";	2289	bless $self, "cf::map";
2126	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
2127	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
2128	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
2129	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130		2294
2131	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
2132		2297
2133	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
2134	}	2299	}
2135		2300
2136	=item $maps = cf::map::tmp_maps	2301	=item $maps = cf::map::tmp_maps
…		…
2212		2377
2213	sub inv_recursive {	2378	sub inv_recursive {
2214	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
2215	}	2380	}
2216		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
		2408	}
		2409
2217	package cf;	2410	package cf;
2218		2411
2219	=back	2412	=back
2220		2413
2221	=head3 cf::object::player	2414	=head3 cf::object::player
…		…
2349	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
2350	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
2351	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
2352		2545
2353	$map->load;	2546	$map->load;
2354	$map->load_diag;	2547	$map->load_neighbours;
2355		2548
2356	return unless $self->contr->active;	2549	return unless $self->contr->active;
2357	$self->activate_recursive;	2550	$self->activate_recursive;
2358		2551
2359	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2379	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380		2573
2381	$self->enter_link;	2574	$self->enter_link;
2382		2575
2383	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
2384	my $map = eval {	2598	my $map = eval {
2385	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
2386		2600
2387	if ($map) {	2601	if ($map) {
2388	$map = $map->customise_for ($self);	2602	$map = $map->customise_for ($self);
2389	$map = $check->($map) if $check && $map;	2603	$map = $check->($map) if $check && $map;
2390	} else {	2604	} else {
2391	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392	}	2606	}
2393		2607
2394	$map	2608	$map
2395	};	2609	};
2396		2610
…		…
2449	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
2450	}	2664	}
2451		2665
2452	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
2453		2667
2454	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
2455	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
2456	my $meta = "$RANDOMDIR/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
2457		2671
2458	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
…		…
2486	# if exit is damned, update players death & WoR home-position	2700	# if exit is damned, update players death & WoR home-position
2487	$self->contr->savebed ($slaying, $hp, $sp)	2701	$self->contr->savebed ($slaying, $hp, $sp)
2488	if $exit->flag (FLAG_DAMNED);	2702	if $exit->flag (FLAG_DAMNED);
2489		2703
2490	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2491	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2492	unless (eval {	2708	unless (eval {
2493	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2494		2710
2495	1;	2711	1;
…		…
2530	the message, with C<log> being the default. If C<$color> is negative, suppress	2746	the message, with C<log> being the default. If C<$color> is negative, suppress
2531	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2532		2748
2533	=cut	2749	=cut
2534		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
2535	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2536	my ($self, $channel, $msg, $color, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2537		2805
2538	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg);
2539		2807
2540	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2541		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
2542	if (ref $channel) {	2819	} elsif (ref $channel) {
2543	# send meta info to client, if not yet sent	2820	# send meta info to client, if not yet sent
2544	unless (exists $self->{channel}{$channel->{id}}) {	2821	unless (exists $self->{channel}{$channel->{id}}) {
2545	$self->{channel}{$channel->{id}} = $channel;	2822	$self->{channel}{$channel->{id}} = $channel;
2546	$self->ext_msg (channel_info => $channel);	2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
2547	}	2825	}
2548		2826
2549	$channel = $channel->{id};	2827	$channel = $channel->{id};
2550	}	2828	}
2551		2829
…		…
2592	=cut	2870	=cut
2593		2871
2594	sub cf::client::ext_msg($$@) {	2872	sub cf::client::ext_msg($$@) {
2595	my ($self, $type, @msg) = @_;	2873	my ($self, $type, @msg) = @_;
2596		2874
2597	my $extcmd = $self->extcmd;
2598
2599	if ($extcmd == 2) {	2875	if ($self->extcmd == 2) {
2600	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2601	} elsif ($extcmd == 1) { # TODO: remove	2877	} elsif ($self->extcmd == 1) { # TODO: remove
2602	push @msg, msgtype => "event_$type";	2878	push @msg, msgtype => "event_$type";
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
2603	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2604	}	2898	}
2605	}	2899	}
2606		2900
2607	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
…		…
2669	my ($type, $reply, @payload) =	2963	my ($type, $reply, @payload) =
2670	"ARRAY" eq ref $msg	2964	"ARRAY" eq ref $msg
2671	? @$msg	2965	? @$msg
2672	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2673		2967
		2968	my @reply;
		2969
2674	if (my $cb = $EXTICMD{$type}) {	2970	if (my $cb = $EXTICMD{$type}) {
2675	my @reply = $cb->($ns, @payload);	2971	@reply = $cb->($ns, @payload);
2676
2677	$ns->ext_reply ($reply, @reply)
2678	if $reply;
2679	}	2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
2680	} else {	2977	} else {
2681	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2682	}	2979	}
2683		2980
2684	cf::override;	2981	cf::override;
…		…
2744	=pod	3041	=pod
2745		3042
2746	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2747		3044
2748	cf::object	3045	cf::object
2749	contr pay_amount pay_player map x y force_find force_add	3046	contr pay_amount pay_player map x y force_find force_add destroy
2750	insert remove name archname title slaying race	3047	insert remove name archname title slaying race decrease_ob_nr
2751		3048
2752	cf::object::player	3049	cf::object::player
2753	player	3050	player
2754		3051
2755	cf::player	3052	cf::player
…		…
2760		3057
2761	=cut	3058	=cut
2762		3059
2763	for (	3060	for (
2764	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2765	insert remove inv name archname title slaying race)],	3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2766	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2767	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2768	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2769	) {	3067	) {
2770	no strict 'refs';	3068	no strict 'refs';
…		…
2846	# the server's init and main functions	3144	# the server's init and main functions
2847		3145
2848	sub load_facedata($) {	3146	sub load_facedata($) {
2849	my ($path) = @_;	3147	my ($path) = @_;
2850		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3154
2851	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2852		3156
2853	my $facedata;	3157	my $facedata;
2854	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
2855	or die "$path: $!";	3159	or die "$path: $!";
…		…
2857	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2858		3162
2859	$facedata->{version} == 2	3163	$facedata->{version} == 2
2860	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2861		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2862	{	3173	{
2863	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2864		3175
2865	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2866	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2867	cf::face::set_visibility $idx, $info->{visibility};	3179	cf::face::set_visibility $idx, $info->{visibility};
2868	cf::face::set_magicmap $idx, $info->{magicmap};	3180	cf::face::set_magicmap $idx, $info->{magicmap};
2869	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2870	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2871		3183
2872	cf::cede_to_tick;	3184	cf::cede_to_tick;
2873	}	3185	}
2874		3186
2875	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2876	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2877	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2878	or next;	3191	or next;
		3192
2879	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
2880	cf::face::set_smooth $idx, $smooth;	3194	cf::face::set_smooth $idx, $smooth;
2881	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2882	} else {	3196	} else {
2883	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2900		3214
2901	{	3215	{
2902	# TODO: for gcfclient pleasure, we should give resources	3216	# TODO: for gcfclient pleasure, we should give resources
2903	# that gcfclient doesn't grok a >10000 face index.	3217	# that gcfclient doesn't grok a >10000 face index.
2904	my $res = $facedata->{resource};	3218	my $res = $facedata->{resource};
2905	my $enc = JSON::XS->new->utf8->canonical;
2906
2907	my $soundconf = delete $res->{"res/sound.conf"};
2908		3219
2909	while (my ($name, $info) = each %$res) {	3220	while (my ($name, $info) = each %$res) {
2910	my $meta = $enc->encode ({	3221	if (defined $info->{type}) {
2911	name => $name,
2912	%{ $info->{meta} || {} },
2913	});
2914
2915	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
2916		3224
2917	if ($info->{type} & 1) {	3225	if ($info->{type} & 1) {
2918	# prepend meta info	3226	# prepend meta info
2919		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
2920	my $data = pack "(w/a*)*", $meta, $info->{data};	3233	$data = pack "(w/a*)*", $meta, $info->{data};
2921	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata	3234	} else {
		3235	$data = $info->{data};
		3236	}
2922		3237
2923	cf::face::set_data $idx, 0, $data, $chk;	3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
2924	} else {	3240	} else {
2925	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3241	$RESOURCE{$name} = $info;
2926	}	3242	}
2927		3243
2928	cf::face::set_type $idx, $info->{type};
2929
2930	cf::cede_to_tick;	3244	cf::cede_to_tick;
2931	}	3245	}
2932
2933	if ($soundconf) {
2934	$soundconf = $enc->decode (delete $soundconf->{data});
2935
2936	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2937	my $sound = $soundconf->{compat}[$_]
2938	or next;
2939
2940	my $face = cf::face::find "sound/$sound->[1]";
2941	cf::sound::set $sound->[0] => $face;
2942	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2943	}
2944
2945	while (my ($k, $v) = each %{$soundconf->{event}}) {
2946	my $face = cf::face::find "sound/$v";
2947	cf::sound::set $k => $face;
2948	}
2949	}
2950	}	3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2951		3249
2952	1	3250	1
2953	}	3251	}
		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
2954		3272
2955	register_exticmd fx_want => sub {	3273	register_exticmd fx_want => sub {
2956	my ($ns, $want) = @_;	3274	my ($ns, $want) = @_;
2957		3275
2958	while (my ($k, $v) = each %$want) {	3276	while (my ($k, $v) = each %$want) {
2959	$ns->fx_want ($k, $v);	3277	$ns->fx_want ($k, $v);
2960	}	3278	}
2961	};	3279	};
2962		3280
2963	sub reload_regions {	3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
2964	load_resource_file "$MAPDIR/regions"	3286	load_resource_file "$MAPDIR/regions"
2965	or die "unable to load regions file\n";	3287	or die "unable to load regions file\n";
2966		3288
2967	for (cf::region::list) {	3289	for (cf::region::list) {
2968	$_->{match} = qr/$_->{match}/	3290	$_->{match} = qr/$_->{match}/
…		…
3004		3326
3005	sub init {	3327	sub init {
3006	reload_resources;	3328	reload_resources;
3007	}	3329	}
3008		3330
3009	sub cfg_load {	3331	sub reload_config {
3010	open my $fh, "<:utf8", "$CONFDIR/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
3011	or return;	3333	or return;
3012		3334
3013	local $/;	3335	local $/;
3014	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
3015		3337
3016	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3017		3339
3018	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3019	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3030	sub main {	3352	sub main {
3031	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
3032	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
3033	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3034	(async {	3356	(async {
3035	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
3036	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
3037	};	3360	};
3038		3361
3039	cfg_load;	3362	reload_config;
3040	db_init;	3363	db_init;
3041	load_extensions;	3364	load_extensions;
3042		3365
3043	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start;
3044	Event::loop;	3368	EV::loop;
3045	}	3369	}
3046		3370
3047	#############################################################################	3371	#############################################################################
3048	# initialisation and cleanup	3372	# initialisation and cleanup
3049		3373
3050	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
3051	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
3052	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
3053	Event->signal (	3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3054	reentrant => 0,
3055	data => WF_AUTOCANCEL,
3056	signal => $signal,
3057	prio => 0,
3058	cb => sub {
3059	cf::cleanup "SIG$signal";	3379	cf::cleanup "SIG$signal";
3060	},
3061	);	3380	};
3062	}	3381	}
3063	}	3382	}
3064		3383
3065	sub write_runtime {	3384	sub write_runtime {
3066	my $runtime = "$LOCALDIR/runtime";	3385	my $runtime = "$LOCALDIR/runtime";
…		…
3111	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
3112	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
3113	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
3114	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
3115	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3116	$pl->save;	3436	$pl->save;
3117	}	3437	}
3118	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
3119		3439
3120	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
3159	warn "syncing database to disk";	3479	warn "syncing database to disk";
3160	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
3161		3481
3162	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
3163		3483
3164	warn "cancelling all WF_AUTOCANCEL watchers";
3165	for (Event::all_watchers) {
3166	$_->cancel if $_->data & WF_AUTOCANCEL;
3167	}
3168
3169	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
3170	for (;;) {	3485	for (;;) {
3171	BDB::flush;	3486	BDB::flush;
3172	IO::AIO::flush;	3487	IO::AIO::flush;
3173	Coro::cede;	3488	Coro::cede_notself;
3174	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
3175	warn "iterate...";	3490	warn "iterate...";
3176	}	3491	}
3177		3492
3178	++$RELOAD;	3493	++$RELOAD;
…		…
3237	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
3238	require cf;	3553	require cf;
3239	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3240		3555
3241	warn "loading config and database again";	3556	warn "loading config and database again";
3242	cf::cfg_load;	3557	cf::reload_config;
3243		3558
3244	warn "loading extensions";	3559	warn "loading extensions";
3245	cf::load_extensions;	3560	cf::load_extensions;
3246		3561
3247	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
3254	warn "leaving sync_job";	3569	warn "leaving sync_job";
3255		3570
3256	1	3571	1
3257	} or do {	3572	} or do {
3258	warn $@;	3573	warn $@;
3259	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
3260	exit 1;
3261	};	3575	};
3262		3576
3263	warn "reloaded";	3577	warn "reloaded";
3264	};	3578	};
3265		3579
…		…
3267		3581
3268	sub reload_perl() {	3582	sub reload_perl() {
3269	# doing reload synchronously and two reloads happen back-to-back,	3583	# doing reload synchronously and two reloads happen back-to-back,
3270	# coro crashes during coro_state_free->destroy here.	3584	# coro crashes during coro_state_free->destroy here.
3271		3585
3272	$RELOAD_WATCHER ||= Event->timer (	3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3273	reentrant => 0,
3274	after => 0,
3275	data => WF_AUTOCANCEL,
3276	cb => sub {
3277	do_reload_perl;	3587	do_reload_perl;
3278	undef $RELOAD_WATCHER;	3588	undef $RELOAD_WATCHER;
3279	},
3280	);	3589	};
3281	}	3590	}
3282		3591
3283	register_command "reload" => sub {	3592	register_command "reload" => sub {
3284	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
3285		3594
3286	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
3287	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
		3597	async {
		3598	$Coro::current->{desc} = "perl_reload";
3288	async { reload_perl };	3599	reload_perl;
		3600	};
3289	}	3601	}
3290	};	3602	};
3291		3603
3292	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
3293		3605
…		…
3295		3607
3296	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
3297	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
3298		3610
3299	sub wait_for_tick {	3611	sub wait_for_tick {
3300	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
3301	return if $Coro::current == $Coro::main;	3613	return if $Coro::current == $Coro::main;
3302		3614
3303	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
3304	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
3305	$signal->wait;	3617	$signal->wait;
3306	}	3618	}
3307		3619
3308	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
3309	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
3310	return if $Coro::current == $Coro::main;	3622	return if $Coro::current == $Coro::main;
3311		3623
3312	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
3313	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
3314	$signal->wait;	3626	$signal->wait;
3315	}	3627	}
3316		3628
3317	my $min = 1e6;#d#	3629	sub tick {
3318	my $avg = 10;
3319	$TICK_WATCHER = Event->timer (
3320	reentrant => 0,
3321	parked => 1,
3322	prio => 0,
3323	at => $NEXT_TICK || $TICK,
3324	data => WF_AUTOCANCEL,
3325	cb => sub {
3326	if ($Coro::current != $Coro::main) {	3630	if ($Coro::current != $Coro::main) {
3327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3328	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
3329	return;	3633	return;
3330	}	3634	}
3331		3635
3332	$NOW = $tick_start = Event::time;
3333
3334	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
3335		3637
3336	0 && sync_job {#d#	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3337	for(1..10) {	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3338	my $t = Event::time;	3640	Coro::async_pool {
3339	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3641	$Coro::current->{desc} = "runtime saver";
3340	or die;	3642	write_runtime
3341		3643	or warn "ERROR: unable to write runtime file: $!";
3342	$map->width (50);
3343	$map->height (50);
3344	$map->alloc;
3345	$map->_load_objects ("/tmp/x.map", 1);
3346	my $t = Event::time - $t;
3347
3348	#next unless $t < 0.0013;#d#
3349	if ($t < $min) {
3350	$min = $t;
3351	}
3352	$avg = $avg * 0.99 + $t * 0.01;
3353	}
3354	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3355	exit 0;
3356	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3357	};	3644	};
		3645	}
3358		3646
3359	$RUNTIME += $TICK;
3360	$NEXT_TICK += $TICK;
3361
3362	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3363	$NEXT_RUNTIME_WRITE = $NOW + 10;
3364	Coro::async_pool {
3365	write_runtime
3366	or warn "ERROR: unable to write runtime file: $!";
3367	};
3368	}
3369
3370	# my $AFTER = Event::time;
3371	# warn $AFTER - $NOW;#d#
3372
3373	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3374	$sig->send;	3648	$sig->send;
3375	}	3649	}
3376	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
3377	$sig->send;	3651	$sig->send;
3378	}	3652	}
3379		3653
3380	$NOW = Event::time;	3654	$LOAD = ($NOW - $TICK_START) / $TICK;
3381
3382	# if we are delayed by four ticks or more, skip them all
3383	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3384
3385	$TICK_WATCHER->at ($NEXT_TICK);
3386	$TICK_WATCHER->start;
3387
3388	$LOAD = ($NOW - $tick_start) / $TICK;
3389	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3390		3656
3391	_post_tick;	3657	if (0) {
3392		3658	if ($NEXT_TICK) {
3393		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
3394	},	3663	}
3395	);	3664	}
3396		3665
3397	{	3666	{
3398	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
3399	$BDB_POLL_WATCHER = Event->io (	3668
3400	reentrant => 0,
3401	fd => BDB::poll_fileno,
3402	poll => 'r',
3403	prio => 0,
3404	data => WF_AUTOCANCEL,
3405	cb => \&BDB::poll_cb,
3406	);
3407	BDB::min_parallel 8;	3669	BDB::min_parallel 8;
3408		3670	BDB::max_poll_reqs $TICK * 0.1;
3409	BDB::set_sync_prepare {	3671	$Coro::BDB::WATCHER->priority (1);
3410	my $status;
3411	my $current = $Coro::current;
3412	(
3413	sub {
3414	$status = $!;
3415	$current->ready; undef $current;
3416	},
3417	sub {
3418	Coro::schedule while defined $current;
3419	$! = $status;
3420	},
3421	)
3422	};
3423		3672
3424	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
3425	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3426		3679
3427	cf::sync_job {	3680	cf::sync_job {
3428	eval {	3681	eval {
3429	BDB::db_env_open	3682	BDB::db_env_open
3430	$DB_ENV,	3683	$DB_ENV,
…		…
3432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3434	0666;	3687	0666;
3435		3688
3436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3689	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3437
3438	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3439	$DB_ENV->set_lk_detect;
3440	};	3690	};
3441		3691
3442	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
3443	};	3693	};
3444	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
3445	}	3705	}
3446		3706
3447	{	3707	{
		3708	# configure IO::AIO
		3709
3448	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
3449
3450	undef $Coro::AIO::WATCHER;
3451	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
3452	$AIO_POLL_WATCHER = Event->io (	3712	$Coro::AIO::WATCHER->priority (1);
3453	reentrant => 0,
3454	data => WF_AUTOCANCEL,
3455	fd => IO::AIO::poll_fileno,
3456	poll => 'r',
3457	prio => 6,
3458	cb => \&IO::AIO::poll_cb,
3459	);
3460	}	3713	}
3461		3714
3462	my $_log_backtrace;	3715	my $_log_backtrace;
3463		3716
3464	sub _log_backtrace {	3717	sub _log_backtrace {
…		…
3468		3721
3469	# limit the # of concurrent backtraces	3722	# limit the # of concurrent backtraces
3470	if ($_log_backtrace < 2) {	3723	if ($_log_backtrace < 2) {
3471	++$_log_backtrace;	3724	++$_log_backtrace;
3472	async {	3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
3473	my @bt = fork_call {	3728	my @bt = fork_call {
3474	@addr = map { sprintf "%x", $_ } @addr;	3729	@addr = map { sprintf "%x", $_ } @addr;
3475	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3476	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3477	or die "addr2line: $!";	3732	or die "addr2line: $!";

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