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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 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
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
15	use Coro 4.1 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
24	use Coro::Util ();	49	use Coro::Util ();
25		50
26	use JSON::XS ();	51	use JSON::XS 2.01 ();
27	use BDB ();	52	use BDB ();
28	use Data::Dumper;	53	use Data::Dumper;
29	use Digest::MD5;	54	use Digest::MD5;
30	use Fcntl;	55	use Fcntl;
31	use YAML::Syck ();	56	use YAML ();
32	use IO::AIO 2.51 ();	57	use IO::AIO ();
33	use Time::HiRes;	58	use Time::HiRes;
34	use Compress::LZF;	59	use Compress::LZF;
35	use Digest::MD5 ();	60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
36		63
37	# configure various modules to our taste	64	# configure various modules to our taste
38	#	65	#
39	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		68
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
49		87
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		89
52	our %COMMAND = ();	90	our %COMMAND = ();
53	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
60		98
61	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
62	our @EVENT;	100	our @EVENT;
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	107	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	111	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
75		117
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	120	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		122
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	123	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	124	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	126	our $DB_ENV;
89		127
90	our %CFG;	128	our %CFG;
91		129
92	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
94		133
95	our (%PLAYER, %PLAYER_LOADING); # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
98		137
99	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		140
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	144	our $TICK_START; # for load detecting purposes
105		145
106	binmode STDOUT;	146	binmode STDOUT;
107	binmode STDERR;	147	binmode STDERR;
108		148
109	# read virtual server time, if available	149	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	151	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
114	}	154	}
115		155
116	mkdir $_	156	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		202
163	The raw value load value from the last tick.	203	The raw value load value from the last tick.
164		204
165	=item %cf::CFG	205	=item %cf::CFG
166		206
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	208	from wherever your confdir points to.
169		209
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		211
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		234
195	LOG llevError, $msg;	235	LOG llevError, $msg;
196	};	236	};
197	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
198		253
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	264	for my $pkg (qw(
210	cf::global cf::attachable	265	cf::global cf::attachable
211	cf::object cf::object::player	266	cf::object cf::object::player
212	cf::client cf::player	267	cf::client cf::player
213	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
214	cf::map cf::party cf::region	270	cf::party cf::region
215	)) {	271	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	273	}
219		274
220	$Event::DIED = sub {	275	$EV::DIED = sub {
221	warn "error in event callback: @_";	276	warn "error in event callback: @_";
222	};	277	};
223		278
224	#############################################################################	279	#############################################################################
225		280
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	304	$d
250	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
251	}	306	}
252		307
253	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
254		309
255	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
256		311
257	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
258		313
259	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
260		315
261	=cut	316	=cut
262		317
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		319
265	sub to_json ($) { $json_coder->encode ($_[0]) }	320	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	321	sub decode_json($) { $json_coder->decode ($_[0]) }
267		322
268	=item cf::lock_wait $string	323	=item cf::lock_wait $string
269		324
270	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
271		326
…		…
327		382
328	! ! $LOCK{$key}	383	! ! $LOCK{$key}
329	}	384	}
330		385
331	sub freeze_mainloop {	386	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
333		388
334	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	390	}
336	};	391
337	$TICK_WATCHER->stop;	392	=item cf::periodic $interval, $cb
338	$guard	393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
339	}	405	}
340		406
341	=item cf::get_slot $time[, $priority[, $name]]	407	=item cf::get_slot $time[, $priority[, $name]]
342		408
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	449	}
384	}	450	}
385	};	451	};
386		452
387	sub get_slot($;$$) {	453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
388	my ($time, $pri, $name) = @_;	456	my ($time, $pri, $name) = @_;
389		457
390	$time = $TICK * .6 if $time > $TICK * .6;	458	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	459	my $sig = new Coro::Signal;
392		460
…		…
406		474
407	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
408		476
409	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
410		478
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	479	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	480	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	482	acceptable.
415		483
416	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		490
423	sub sync_job(&) {	491	sub sync_job(&) {
424	my ($job) = @_;	492	my ($job) = @_;
425		493
426	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	495	my $time = EV::time;
428		496
429	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
431		499
432	LOG llevError, Carp::longmess "sync job";#d#	500	LOG llevError, Carp::longmess "sync job";#d#
433		501
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
437		503
438	my $busy = 1;	504	my $busy = 1;
439	my @res;	505	my @res;
440		506
…		…
444	warn $@ if $@;	510	warn $@ if $@;
445	undef $busy;	511	undef $busy;
446	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
447		513
448	while ($busy) {	514	while ($busy) {
449	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
450	}	519	}
		520	}
451		521
452	$time = Event::time - $time;	522	my $time = EV::time - $time;
453		523
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	524	$TICK_START += $time; # do not account sync jobs to server load
458		525
459	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
460	} else {	527	} else {
461	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
462		529
…		…
487	=item fork_call { }, $args	554	=item fork_call { }, $args
488		555
489	Executes the given code block with the given arguments in a seperate	556	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	557	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	558	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	559	never block itself or use any form of event handling.
493		560
494	=cut	561	=cut
495		562
496	sub fork_call(&@) {	563	sub fork_call(&@) {
497	my ($cb, @args) = @_;	564	my ($cb, @args) = @_;
…		…
504	reset_signals;	571	reset_signals;
505	&$cb	572	&$cb
506	}, @args;	573	}, @args;
507		574
508	wantarray ? @res : $res[-1]	575	wantarray ? @res : $res[-1]
		576	}
		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
509	}	603	}
510		604
511	=item $value = cf::db_get $family => $key	605	=item $value = cf::db_get $family => $key
512		606
513	Returns a single value from the environment database.	607	Returns a single value from the environment database.
…		…
652		746
653	#############################################################################	747	#############################################################################
654		748
655	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
656		750
657	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
660		754
661	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	757	Deliantra).
664		758
665	=over 4	759	=over 4
666		760
667	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
668		762
…		…
712	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
713		807
714	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
716		810
717	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
719		813
720	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
721		815
722	=over 4	816	=over 4
…		…
950	}	1044	}
951		1045
952	0	1046	0
953	}	1047	}
954		1048
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1050
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1052
959	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
960		1054
…		…
1013		1107
1014	sub reattach {	1108	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1110	my ($obj) = @_;
1017		1111
		1112	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1114
1020	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
1021		1116
1022	@$registry = ();	1117	@$registry = ();
1023		1118
…		…
1038	cf::attachable->attach (	1133	cf::attachable->attach (
1039	prio => -1000000,	1134	prio => -1000000,
1040	on_instantiate => sub {	1135	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
1042		1137
1043	$data = from_json $data;	1138	$data = decode_json $data;
1044		1139
1045	for (@$data) {	1140	for (@$data) {
1046	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
1047		1142
1048	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1164	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
1072		1167
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
1077	close $fh;	1172	aio_close $fh;
1078		1173
1079	if (@$objs) {	1174	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
1085	close $fh;	1180	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1182	}
1088	} else {	1183	} else {
1089	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
1090	}	1185	}
…		…
1118		1213
1119	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1216	or return;
1122		1217
1123	my $st = eval { Coro::Storable::thaw $av }	1218	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1219	$av = $st->{objs};
1126	}	1220	}
1127		1221
1128	utf8::decode (my $decname = $filename);	1222	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
…		…
1260		1354
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1357
1264	$ext{source} =	1358	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1360	. "#line 1 \"$path\"\n{\n"
1267	. $source	1361	. $source
1268	. "\n};\n1";	1362	. "\n};\n1";
1269		1363
1270	$todo{$base} = \%ext;	1364	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1380	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1381	: "$v->{base}: extension inactive.\n";
1288		1382
1289	if (exists $v->{meta}{mandatory}) {	1383	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1384	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1385	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1386	}
1294		1387
1295	warn $msg;	1388	warn $msg;
1296	}	1389	}
1297		1390
…		…
1311		1404
1312	=back	1405	=back
1313		1406
1314	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
1315		1408
1316	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
1317		1410
1318	=cut	1411	=cut
1319		1412
1320	package cf::player;	1413	package cf::player;
1321		1414
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1479	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1480	or return;
1388		1481
1389	my $pl = cf::player::load_pl $f	1482	my $pl = cf::player::load_pl $f
1390	or return;	1483	or return;
		1484
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1485	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1486	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
1394	}	1488	}
1395	}	1489	}
…		…
1405		1499
1406	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1407		1501
1408	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
		1504
		1505	cf::get_slot 0.01;
1410		1506
1411	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1508	cf::cede_to_tick;
1413	}	1509	}
1414		1510
…		…
1446	my ($pl) = @_;	1542	my ($pl) = @_;
1447		1543
1448	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1449		1545
1450	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1548
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1457		1555
1458	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1596
1499	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
1500	my $path = path $login;	1598	my $path = path $login;
1501		1599
1502	# a .pst is a dead give-away for a valid player	1600	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1606	}
1508		1607
…		…
1539	}	1638	}
1540		1639
1541	\@paths	1640	\@paths
1542	}	1641	}
1543		1642
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1644
1546	Expand crossfire pod fragments into protocol xml.	1645	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1646
1595	=item $player->ext_reply ($msgid, @msg)	1647	=item $player->ext_reply ($msgid, @msg)
1596		1648
1597	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1598		1650
…		…
1665	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1667		1719
1668	sub generate_random_map {	1720	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1670	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1726	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1851
1797	# the temporary/swap location	1852	# the temporary/swap location
1798	sub save_path {	1853	sub save_path {
1799	my ($self) = @_;	1854	my ($self) = @_;
1800		1855
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1857	"$TMPDIR/$path.map"
1803	}	1858	}
1804		1859
1805	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1806	sub uniq_path {	1861	sub uniq_path {
1807	my ($self) = @_;	1862	my ($self) = @_;
1808		1863
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1865	"$UNIQUEDIR/$path"
1811	}	1866	}
1812		1867
1813	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1814	# all maps in C++...	1869	# all maps in C++...
…		…
1912		1967
1913	cf::lock_wait "map_data:$path";#d#remove	1968	cf::lock_wait "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1915		1970
1916	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1973	my $guard2 = cf::lock_acquire "map_find:$path";
1919		1974
1920	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1921	or return;	1976	or return;
1922		1977
1923	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
…		…
1926	or return;	1981	or return;
1927		1982
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
1931	undef $guard1;	1987	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1988	$map->reset;
1934	return find $path;	1989	return find $path;
1935	}	1990	}
1936		1991
1937	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2020	$f->skip_block;
1966	$self->_load_objects ($f)	2021	$self->_load_objects ($f)
1967	or return;	2022	or return;
1968		2023
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1970	if delete $self->{load_original};	2025	if delete $self->{load_original};
1971		2026
1972	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2028	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2029	unless (aio_stat $uniq) {
…		…
2000	}	2055	}
2001		2056
2002	$self->{last_save} = $cf::RUNTIME;	2057	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2058	$self->last_access ($cf::RUNTIME);
2004		2059
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2060	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2061	}
2007		2062
2008	$self->post_load;	2063	$self->post_load;
2009	}	2064	}
2010		2065
…		…
2068	my ($path, $origin, $load) = @_;	2123	my ($path, $origin, $load) = @_;
2069		2124
2070	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
2071		2126
2072	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2129	}
2075		2130
2076	$MAP_PREFETCH{$path} |= $load;	2131	$MAP_PREFETCH{$path} |= $load;
2077		2132
2078	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2170	cf::async {
2116	$Coro::current->{desc} = "map player save";	2171	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
2118	};	2173	};
2119		2174
		2175	cf::get_slot 0.02;
		2176
2120	if ($uniq) {	2177	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2180	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2189	$self->save;
2133		2190
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2192
2136	return if $self->players;	2193	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2195	return if $self->{deny_save};
2139		2196
2140	$self->in_memory (cf::MAP_SWAPPED);	2197	$self->in_memory (cf::MAP_SWAPPED);
2141		2198
2142	$self->deactivate;	2199	$self->deactivate;
…		…
2260		2317
2261	sub unique_maps() {	2318	sub unique_maps() {
2262	[	2319	[
2263	map {	2320	map {
2264	utf8::decode $_;	2321	utf8::decode $_;
2265	/\.map$/	2322	s/\.map$//; # TODO future compatibility hack
		2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2324	? ()
2266	? normalise $_	2325	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2326	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2327	]
2270	}	2328	}
2271		2329
2272	package cf;
2273
2274	=back	2330	=back
2275		2331
2276	=head3 cf::object	2332	=head3 cf::object
2277		2333
2278	=cut	2334	=cut
…		…
2281		2337
2282	=over 4	2338	=over 4
2283		2339
2284	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
2285		2341
2286	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
2287		2344
2288	=cut	2345	=cut
2289		2346
2290	sub inv_recursive_;	2347	sub inv_recursive_;
2291	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
2297	}	2354	}
2298		2355
2299	=item $ref = $ob->ref	2356	=item $ref = $ob->ref
2300		2357
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2358	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2359
2303	=item $ob = cf::object::deref ($refstring)	2360	=item $ob = cf::object::deref ($refstring)
2304		2361
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2363	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
2340		2397
2341	=cut	2398	=cut
2342		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
		2413
2343	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2415	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2418	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2429	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2431
2361	} else {	2432	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2435	}
2365	}	2436	}
2366	}	2437	}
2367		2438
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2464
2394	=item $player_object->enter_link	2465	=item $player_object->enter_link
2395		2466
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2468
2398	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
2400		2473
2401	Will never block.	2474	Will never block.
2402		2475
2403	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
2404		2477
…		…
2462		2535
2463	$map->load;	2536	$map->load;
2464	$map->load_neighbours;	2537	$map->load_neighbours;
2465		2538
2466	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2467	$self->activate_recursive;	2541	$self->activate_recursive;
2468		2542
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
2471	}	2545	}
…		…
2475	Moves the player to the given map-path and coordinates by first freezing	2549	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2550	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2551	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2552	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2553	be called at the end of this process.
		2554
		2555	Note that $check will be called with a potentially non-loaded map, so if
		2556	it needs a loaded map it has to call C<< ->load >>.
2480		2557
2481	=cut	2558	=cut
2482		2559
2483	our $GOTOGEN;	2560	our $GOTOGEN;
2484		2561
…		…
2563	}	2640	}
2564		2641
2565	sub prepare_random_map {	2642	sub prepare_random_map {
2566	my ($exit) = @_;	2643	my ($exit) = @_;
2567		2644
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2647	# that depends on the exit object
2573		2648
2574	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2651	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
2581	}	2658	}
2582		2659
2583	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
2584		2661
2585	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
2588		2665
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2668	undef $fh;
2592	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
2593		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
2596	}	2677	}
2597	}	2678	}
2598		2679
2599	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
2601		2682
2602	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
2603		2684
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2685	$self->enter_link;
2616		2686
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2687	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2688	$Coro::current->{desc} = "enter_exit";
2623		2689
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
2626	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
2627		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
2628	1;	2711	1
2629	}) {	2712	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2717
2635	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
…		…
2663	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
2664	the message unless the client supports the msg packet.	2747	the message unless the client supports the msg packet.
2665		2748
2666	=cut	2749	=cut
2667		2750
		2751	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2752	our %CHANNEL = (
2669	"c/identify" => {	2753	"c/identify" => {
2670	id => "infobox",	2754	id => "infobox",
2671	title => "Identify",	2755	title => "Identify",
2672	reply => undef,	2756	reply => undef,
…		…
2676	id => "infobox",	2760	id => "infobox",
2677	title => "Examine",	2761	title => "Examine",
2678	reply => undef,	2762	reply => undef,
2679	tooltip => "Signs and other items you examined",	2763	tooltip => "Signs and other items you examined",
2680	},	2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
2681	"c/lookat" => {	2771	"c/lookat" => {
2682	id => "infobox",	2772	id => "infobox",
2683	title => "Look",	2773	title => "Look",
2684	reply => undef,	2774	reply => undef,
2685	tooltip => "What you saw there",	2775	tooltip => "What you saw there",
2686	},	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	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
2687	);	2807	);
2688		2808
2689	sub cf::client::send_msg {	2809	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2810	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2811
2692	$msg = $self->pl->expand_cfpod ($msg);	2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
2693		2814
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2816
2696	# check predefined channels, for the benefit of C	2817	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2818	if ($CHANNEL{$channel}) {
…		…
2718	if ($self->can_msg) {	2839	if ($self->can_msg) {
2719	# default colour, mask it out	2840	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2842	if $color & cf::NDI_DEF;
2722		2843
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
2725	} else {	2860	} else {
2726	if ($color >= 0) {	2861	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones	2862	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {	2863	for ($msg) {
2729	1 while	2864	1 while
…		…
2928		3063
2929	The following functions and methods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2930		3065
2931	cf::object	3066	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3067	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3068	insert remove name archname title slaying race decrease split
2934		3069
2935	cf::object::player	3070	cf::object::player
2936	player	3071	player
2937		3072
2938	cf::player	3073	cf::player
…		…
2943		3078
2944	=cut	3079	=cut
2945		3080
2946	for (	3081	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3083	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3084	decrease split destroy change_exp)],
2950	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2952	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2953	) {	3088	) {
2954	no strict 'refs';	3089	no strict 'refs';
…		…
3059	{	3194	{
3060	my $faces = $facedata->{faceinfo};	3195	my $faces = $facedata->{faceinfo};
3061		3196
3062	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
3064	cf::face::set_visibility $idx, $info->{visibility};	3200	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3201	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3204
3069	cf::cede_to_tick;	3205	cf::cede_to_tick;
3070	}	3206	}
3071		3207
3072	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
3074	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
3075	or next;	3212	or next;
		3213
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3217	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3236	{
3099	# TODO: for gcfclient pleasure, we should give resources	3237	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3238	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3239	my $res = $facedata->{resource};
3102		3240
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3244	my $data;
3108		3245
3109	if ($info->{type} & 1) {	3246	if ($info->{type} & 1) {
3110	# prepend meta info	3247	# prepend meta info
3111		3248
3112	my $meta = $enc->encode ({	3249	my $meta = $enc->encode ({
3113	name => $name,	3250	name => $name,
3114	%{ $info->{meta} || {} },	3251	%{ $info->{meta} || {} },
3115	});	3252	});
3116		3253
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
3118	} else {	3261	} else {
3119	$data = $info->{data};	3262	$RESOURCE{$name} = $info;
3120	}	3263	}
3121		3264
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3265	cf::cede_to_tick;
3126	}	3266	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3270
3147	1	3271	1
3148	}	3272	}
		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
3149		3293
3150	register_exticmd fx_want => sub {	3294	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3295	my ($ns, $want) = @_;
3152		3296
3153	while (my ($k, $v) = each %$want) {	3297	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3298	$ns->fx_want ($k, $v);
3155	}	3299	}
3156	};	3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
3157		3311
3158	sub reload_regions {	3312	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3313	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3314	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3315	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3329	}
3176		3330
3177	sub reload_archetypes {	3331	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3332	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3333	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3334	}
3186		3335
3187	sub reload_treasures {	3336	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3337	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3338	or die "unable to load treasurelists\n";
3190	}	3339	}
3191		3340
3192	sub reload_resources {	3341	sub reload_resources {
3193	warn "reloading resource files...\n";	3342	warn "reloading resource files...\n";
3194		3343
		3344	reload_facedata;
		3345	reload_archetypes;
3195	reload_regions;	3346	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3347	reload_treasures;
3200		3348
3201	warn "finished reloading resource files\n";	3349	warn "finished reloading resource files\n";
3202	}	3350	}
3203		3351
3204	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
3205	reload_resources;	3357	reload_resources;
3206	}	3358	}
3207		3359
3208	sub reload_config {	3360	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3362	or return;
3211		3363
3212	local $/;	3364	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
3214		3366
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3368
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3376	};
3225	warn $@ if $@;	3377	warn $@ if $@;
3226	}	3378	}
3227	}	3379	}
3228		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
3229	sub main {	3400	sub main {
		3401	atomic;
		3402
3230	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3406	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3408	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
3237	};	3410	};
3238		3411
		3412	{
		3413	my $guard = freeze_mainloop;
3239	reload_config;	3414	reload_config;
3240	db_init;	3415	db_init;
3241	load_extensions;	3416	load_extensions;
3242		3417
3243	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
3244	Event::loop;	3426	EV::loop;
3245	}	3427	}
3246		3428
3247	#############################################################################	3429	#############################################################################
3248	# initialisation and cleanup	3430	# initialisation and cleanup
3249		3431
3250	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
3251	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
3260	},
3261	);	3438	};
3262	}	3439	}
3263	}	3440	}
3264		3441
3265	sub write_runtime {	3442	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3443	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3444	# the fsync below can take a very very long time.
3270		3445
3271	IO::AIO::aio_utime $runtime, undef, undef;	3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3447
3273	my $guard = cf::lock_acquire "write_runtime";	3448	my $guard = cf::lock_acquire "write_runtime";
3274		3449
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3451	or return;
3277		3452
3278	my $value = $cf::RUNTIME + 90 + 10;	3453	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3454	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3455	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3465	aio_utime $fh, undef, undef;
3291		3466
3292	close $fh	3467	close $fh
3293	or return;	3468	or return;
3294		3469
3295	aio_rename "$runtime~", $runtime	3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3471	and return;
3297		3472
3298	warn "runtime file written.\n";	3473	warn "runtime file written.\n";
3299		3474
3300	1	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
3301	}	3519	}
3302		3520
3303	sub emergency_save() {	3521	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
3305		3523
…		…
3327	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
3328		3546
3329	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
3332	};	3554	};
3333		3555
3334	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
3335	}	3557	}
3336		3558
3337	sub post_cleanup {	3559	sub post_cleanup {
3338	my ($make_core) = @_;	3560	my ($make_core) = @_;
3339		3561
3340	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
3342	}	3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
3343		3596
3344	sub do_reload_perl() {	3597	sub do_reload_perl() {
3345	# can/must only be called in main	3598	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
3348	return;	3601	return;
3349	}	3602	}
3350		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
3351	warn "reloading...";	3607	warn "reloading...";
3352		3608
3353	warn "entering sync_job";	3609	warn "entering sync_job";
3354		3610
3355	cf::sync_job {	3611	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3613	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
3359		3615
3360	warn "syncing database to disk";	3616	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3618
3363	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
3364		3620
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();
3384
3385	warn "removing commands";
3386	%COMMAND = ();
3387
3388	warn "removing ext/exti commands";
3389	%EXTCMD = ();
3390	%EXTICMD = ();
3391
3392	warn "unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";
3395
3396	if (my $cb = $pkg->can ("unload")) {
3397	eval {
3398	$cb->($pkg);
3399	1
3400	} or warn "$pkg unloaded, but with errors: $@";
3401	}	3624	}
3402		3625
3403	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
3405	}	3628	%EXT_CORO = ();
3406		3629
3407	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3639	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3640
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
3418	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
3419	}	3650	}
3420		3651
3421	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
3422	}	3667	}
3423		3668
3424	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3672
3428	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3675	delete $INC{"cf/pod.pm"};
3431		3676
3432	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3678	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
3435		3680
3436	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
3437		3682
3438	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
3439	require cf;	3684	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3686
3442	warn "loading config and database again";	3687	warn "loading config and database again";
3443	cf::reload_config;	3688	cf::reload_config;
3444		3689
3445	warn "loading extensions";	3690	warn "loading extensions";
3446	cf::load_extensions;	3691	cf::load_extensions;
3447		3692
3448	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
3454		3699
3455	warn "leaving sync_job";	3700	warn "leaving sync_job";
3456		3701
3457	1	3702	1
3458	} or do {	3703	} or do {
3459	warn $@;	3704	warn $@;
3460	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3706	};
3463		3707
3464	warn "reloaded";	3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
3465	};	3711	};
3466		3712
3467	our $RELOAD_WATCHER; # used only during reload	3713	our $RELOAD_WATCHER; # used only during reload
3468		3714
3469	sub reload_perl() {	3715	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3716	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3717	# coro crashes during coro_state_free->destroy here.
3472		3718
3473	$RELOAD_WATCHER ||= Event->timer (	3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3474	reentrant => 0,
3475	after => 0,
3476	data => WF_AUTOCANCEL,
3477	cb => sub {
3478	do_reload_perl;	3720	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3721	undef $RELOAD_WATCHER;
3480	},
3481	);	3722	};
3482	}	3723	}
3483		3724
3484	register_command "reload" => sub {	3725	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
3486		3727
…		…
3499		3740
3500	our @WAIT_FOR_TICK;	3741	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3742	our @WAIT_FOR_TICK_BEGIN;
3502		3743
3503	sub wait_for_tick {	3744	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3746
3507	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3748	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3749	$signal->wait;
3510	}	3750	}
3511		3751
3512	sub wait_for_tick_begin {	3752	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3753	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3754
3516	my $signal = new Coro::Signal;	3755	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3756	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3757	$signal->wait;
3519	}	3758	}
3520		3759
3521	$TICK_WATCHER = Event->timer (	3760	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
3531	return;	3764	return;
3532	}	3765	}
3533		3766
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
3537		3768
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3771	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3772	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3773	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3775	};
		3776	}
3549		3777
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3779	$sig->send;
3552	}	3780	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3781	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3782	$sig->send;
3555	}	3783	}
3556		3784
3557	$NOW = Event::time;	3785	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3787
3568	_post_tick;	3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
3569	},	3794	}
3570	);	3795	}
3571		3796
3572	{	3797	{
		3798	# configure BDB
		3799
3573	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3801	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3802	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		3803
3599	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3811
3606	cf::sync_job {	3812	cf::sync_job {
3607	eval {	3813	eval {
…		…
3617		3823
3618	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3825	};
3620	}	3826	}
3621		3827
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3830	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3833	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3836	};
3652	}	3837	}
3653		3838
3654	{	3839	{
		3840	# configure IO::AIO
		3841
3655	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	3845	}
3668		3846
3669	my $_log_backtrace;	3847	my $_log_backtrace;
3670		3848
3671	sub _log_backtrace {	3849	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3852	$msg =~ s/\n//;
3675		3853
3676	# limit the # of concurrent backtraces	3854	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3855	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
3679	async {	3858	async {
3680	$Coro::current->{desc} = "abt $msg";	3859	$Coro::current->{desc} = "abt $msg";
3681		3860
3682	my @bt = fork_call {	3861	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3862	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3873	}
3695		3874
3696	@funcs	3875	@funcs
3697	};	3876	};
3698		3877
3699	LOG llevInfo, "[ABT] $msg\n";	3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3880	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3881	--$_log_backtrace;
3702	};	3882	};
3703	} else {	3883	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3884	LOG llevInfo, "[ABT] $msg\n";

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