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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 1.447 by root, Fri Sep 19 01:39:45 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	68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		69
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
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		71
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		73
52	our %COMMAND = ();	74	our %COMMAND = ();
…		…
59	our %EXT_MAP = (); # pluggable maps	81	our %EXT_MAP = (); # pluggable maps
60		82
61	our $RELOAD; # number of reloads so far	83	our $RELOAD; # number of reloads so far
62	our @EVENT;	84	our @EVENT;
63		85
64	our $CONFDIR = confdir;	86	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	87	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	88	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	89	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	90	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	91	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	92	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	95	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	96	our $BDBDIR = "$LOCALDIR/db";
		97	our $PIDFILE = "$LOCALDIR/pid";
		98	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		99
		100	our %RESOURCE;
75		101
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	102	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	103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	104	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	105	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		106
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	107	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	108	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	109	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	110	our $DB_ENV;
89		111
90	our %CFG;	112	our %CFG;
91		113
92	our $UPTIME; $UPTIME ||= time;	114	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	115	our $RUNTIME;
		116	our $NOW;
94		117
95	our (%PLAYER, %PLAYER_LOADING); # all users	118	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	119	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	120	our $LINK_MAP; # the special {link} map, which is always available
98		121
99	# used to convert map paths into valid unix filenames by replacing / by ∕	122	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	123	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		124
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	125	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	126	our $LOADAVG; # same thing, but with alpha-smoothing
		127	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	128	our $TICK_START; # for load detecting purposes
105		129
106	binmode STDOUT;	130	binmode STDOUT;
107	binmode STDERR;	131	binmode STDERR;
108		132
109	# read virtual server time, if available	133	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	134	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	135	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	136	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	137	$RUNTIME = <$fh> + 0.;
114	}	138	}
115		139
116	mkdir $_	140	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		186
163	The raw value load value from the last tick.	187	The raw value load value from the last tick.
164		188
165	=item %cf::CFG	189	=item %cf::CFG
166		190
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	192	from wherever your confdir points to.
169		193
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	194	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		195
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	196	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;	217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		218
195	LOG llevError, $msg;	219	LOG llevError, $msg;
196	};	220	};
197	}	221	}
		222
		223	$Coro::State::DIEHOOK = sub {
		224	return unless $^S eq 0; # "eq", not "=="
		225
		226	if ($Coro::current == $Coro::main) {#d#
		227	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		228	return;#d#
		229	}#d#
		230
		231	# kill coroutine otherwise
		232	warn Carp::longmess $_[0];
		233	Coro::terminate
		234	};
		235
		236	$SIG{__DIE__} = sub { }; #d#?
198		237
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	248	for my $pkg (qw(
210	cf::global cf::attachable	249	cf::global cf::attachable
211	cf::object cf::object::player	250	cf::object cf::object::player
212	cf::client cf::player	251	cf::client cf::player
213	cf::arch cf::living	252	cf::arch cf::living
		253	cf::map cf::mapspace
214	cf::map cf::party cf::region	254	cf::party cf::region
215	)) {	255	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	257	}
219		258
220	$Event::DIED = sub {	259	$EV::DIED = sub {
221	warn "error in event callback: @_";	260	warn "error in event callback: @_";
222	};	261	};
223		262
224	#############################################################################	263	#############################################################################
225		264
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	288	$d
250	} || "[unable to dump $_[0]: '$@']";	289	} || "[unable to dump $_[0]: '$@']";
251	}	290	}
252		291
253	=item $ref = cf::from_json $json	292	=item $ref = cf::decode_json $json
254		293
255	Converts a JSON string into the corresponding perl data structure.	294	Converts a JSON string into the corresponding perl data structure.
256		295
257	=item $json = cf::to_json $ref	296	=item $json = cf::encode_json $ref
258		297
259	Converts a perl data structure into its JSON representation.	298	Converts a perl data structure into its JSON representation.
260		299
261	=cut	300	=cut
262		301
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		303
265	sub to_json ($) { $json_coder->encode ($_[0]) }	304	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	305	sub decode_json($) { $json_coder->decode ($_[0]) }
267		306
268	=item cf::lock_wait $string	307	=item cf::lock_wait $string
269		308
270	Wait until the given lock is available. See cf::lock_acquire.	309	Wait until the given lock is available. See cf::lock_acquire.
271		310
…		…
327		366
328	! ! $LOCK{$key}	367	! ! $LOCK{$key}
329	}	368	}
330		369
331	sub freeze_mainloop {	370	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	371	tick_inhibit_inc;
333		372
334	my $guard = Coro::guard {	373	Coro::guard \&tick_inhibit_dec;
335	$TICK_WATCHER->start;	374	}
336	};	375
337	$TICK_WATCHER->stop;	376	=item cf::periodic $interval, $cb
338	$guard	377
		378	Like EV::periodic, but randomly selects a starting point so that the actions
		379	get spread over timer.
		380
		381	=cut
		382
		383	sub periodic($$) {
		384	my ($interval, $cb) = @_;
		385
		386	my $start = rand List::Util::min 180, $interval;
		387
		388	EV::periodic $start, $interval, 0, $cb
339	}	389	}
340		390
341	=item cf::get_slot $time[, $priority[, $name]]	391	=item cf::get_slot $time[, $priority[, $name]]
342		392
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	393	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	433	}
384	}	434	}
385	};	435	};
386		436
387	sub get_slot($;$$) {	437	sub get_slot($;$$) {
		438	return if tick_inhibit || $Coro::current == $Coro::main;
		439
388	my ($time, $pri, $name) = @_;	440	my ($time, $pri, $name) = @_;
389		441
390	$time = $TICK * .6 if $time > $TICK * .6;	442	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	443	my $sig = new Coro::Signal;
392		444
…		…
406		458
407	BEGIN { *async = \&Coro::async_pool }	459	BEGIN { *async = \&Coro::async_pool }
408		460
409	=item cf::sync_job { BLOCK }	461	=item cf::sync_job { BLOCK }
410		462
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	463	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	464	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	465	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	466	acceptable.
415		467
416	If it must be done, put the blocking parts into C<sync_job>. This will run	468	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	469	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		474
423	sub sync_job(&) {	475	sub sync_job(&) {
424	my ($job) = @_;	476	my ($job) = @_;
425		477
426	if ($Coro::current == $Coro::main) {	478	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	479	my $time = EV::time;
428		480
429	# this is the main coro, too bad, we have to block	481	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	482	# till the operation succeeds, freezing the server :/
431		483
432	LOG llevError, Carp::longmess "sync job";#d#	484	LOG llevError, Carp::longmess "sync job";#d#
433		485
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	486	my $freeze_guard = freeze_mainloop;
437		487
438	my $busy = 1;	488	my $busy = 1;
439	my @res;	489	my @res;
440		490
…		…
444	warn $@ if $@;	494	warn $@ if $@;
445	undef $busy;	495	undef $busy;
446	})->prio (Coro::PRIO_MAX);	496	})->prio (Coro::PRIO_MAX);
447		497
448	while ($busy) {	498	while ($busy) {
449	Coro::cede or Event::one_event;	499	if (Coro::nready) {
		500	Coro::cede_notself;
		501	} else {
		502	EV::loop EV::LOOP_ONESHOT;
450	}	503	}
		504	}
451		505
452	$time = Event::time - $time;	506	my $time = EV::time - $time;
453		507
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	508	$TICK_START += $time; # do not account sync jobs to server load
458		509
459	wantarray ? @res : $res[0]	510	wantarray ? @res : $res[0]
460	} else {	511	} else {
461	# we are in another coroutine, how wonderful, everything just works	512	# we are in another coroutine, how wonderful, everything just works
462		513
…		…
487	=item fork_call { }, $args	538	=item fork_call { }, $args
488		539
489	Executes the given code block with the given arguments in a seperate	540	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	541	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	542	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	543	never block itself or use any form of event handling.
493		544
494	=cut	545	=cut
495		546
496	sub fork_call(&@) {	547	sub fork_call(&@) {
497	my ($cb, @args) = @_;	548	my ($cb, @args) = @_;
…		…
504	reset_signals;	555	reset_signals;
505	&$cb	556	&$cb
506	}, @args;	557	}, @args;
507		558
508	wantarray ? @res : $res[-1]	559	wantarray ? @res : $res[-1]
		560	}
		561
		562	=item $coin = coin_from_name $name
		563
		564	=cut
		565
		566	our %coin_alias = (
		567	"silver" => "silvercoin",
		568	"silvercoin" => "silvercoin",
		569	"silvercoins" => "silvercoin",
		570	"gold" => "goldcoin",
		571	"goldcoin" => "goldcoin",
		572	"goldcoins" => "goldcoin",
		573	"platinum" => "platinacoin",
		574	"platinumcoin" => "platinacoin",
		575	"platinumcoins" => "platinacoin",
		576	"platina" => "platinacoin",
		577	"platinacoin" => "platinacoin",
		578	"platinacoins" => "platinacoin",
		579	"royalty" => "royalty",
		580	"royalties" => "royalty",
		581	);
		582
		583	sub coin_from_name($) {
		584	$coin_alias{$_[0]}
		585	? cf::arch::find $coin_alias{$_[0]}
		586	: undef
509	}	587	}
510		588
511	=item $value = cf::db_get $family => $key	589	=item $value = cf::db_get $family => $key
512		590
513	Returns a single value from the environment database.	591	Returns a single value from the environment database.
…		…
652		730
653	#############################################################################	731	#############################################################################
654		732
655	=head2 ATTACHABLE OBJECTS	733	=head2 ATTACHABLE OBJECTS
656		734
657	Many objects in crossfire are so-called attachable objects. That means you can	735	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")	736	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	737	to it. All such attachable objects support the following methods.
660		738
661	In the following description, CLASS can be any of C<global>, C<object>	739	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	740	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	741	Deliantra).
664		742
665	=over 4	743	=over 4
666		744
667	=item $attachable->attach ($attachment, key => $value...)	745	=item $attachable->attach ($attachment, key => $value...)
668		746
…		…
712	=item cf::CLASS::attachment $name, ...	790	=item cf::CLASS::attachment $name, ...
713		791
714	Register an attachment by C<$name> through which attachable objects of the	792	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	793	given CLASS can refer to this attachment.
716		794
717	Some classes such as crossfire maps and objects can specify attachments	795	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.	796	that are attached at load/instantiate time, thus the need for a name.
719		797
720	These calls expect any number of the following handler/hook descriptions:	798	These calls expect any number of the following handler/hook descriptions:
721		799
722	=over 4	800	=over 4
…		…
950	}	1028	}
951		1029
952	0	1030	0
953	}	1031	}
954		1032
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1033	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1034
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1036
959	Generate an object-specific event with the given arguments.	1037	Generate an object-specific event with the given arguments.
960		1038
…		…
1013		1091
1014	sub reattach {	1092	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1093	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1094	my ($obj) = @_;
1017		1095
		1096	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1097	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1098
1020	my $registry = $obj->registry;	1099	my $registry = $obj->registry;
1021		1100
1022	@$registry = ();	1101	@$registry = ();
1023		1102
…		…
1038	cf::attachable->attach (	1117	cf::attachable->attach (
1039	prio => -1000000,	1118	prio => -1000000,
1040	on_instantiate => sub {	1119	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1120	my ($obj, $data) = @_;
1042		1121
1043	$data = from_json $data;	1122	$data = decode_json $data;
1044		1123
1045	for (@$data) {	1124	for (@$data) {
1046	my ($name, $args) = @$_;	1125	my ($name, $args) = @$_;
1047		1126
1048	$obj->attach ($name, %{$args || {} });	1127	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1148	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1149	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1150	$decname, length $$rdata, scalar @$objs;
1072		1151
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1155	aio_fsync $fh if $cf::USE_FSYNC;
1077	close $fh;	1156	aio_close $fh;
1078		1157
1079	if (@$objs) {	1158	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1160	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1162	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1163	aio_fsync $fh if $cf::USE_FSYNC;
1085	close $fh;	1164	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1165	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1166	}
1088	} else {	1167	} else {
1089	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
1090	}	1169	}
…		…
1118		1197
1119	unless (aio_stat "$filename.pst") {	1198	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1199	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1200	or return;
1122		1201
1123	my $st = eval { Coro::Storable::thaw $av }	1202	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1203	$av = $st->{objs};
1126	}	1204	}
1127		1205
1128	utf8::decode (my $decname = $filename);	1206	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1207	warn sprintf "loading %s (%d,%d)\n",
…		…
1260		1338
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1341
1264	$ext{source} =	1342	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1344	. "#line 1 \"$path\"\n{\n"
1267	. $source	1345	. $source
1268	. "\n};\n1";	1346	. "\n};\n1";
1269		1347
1270	$todo{$base} = \%ext;	1348	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1364	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1365	: "$v->{base}: extension inactive.\n";
1288		1366
1289	if (exists $v->{meta}{mandatory}) {	1367	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1368	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1369	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1370	}
1294		1371
1295	warn $msg;	1372	warn $msg;
1296	}	1373	}
1297		1374
…		…
1311		1388
1312	=back	1389	=back
1313		1390
1314	=head2 CORE EXTENSIONS	1391	=head2 CORE EXTENSIONS
1315		1392
1316	Functions and methods that extend core crossfire objects.	1393	Functions and methods that extend core deliantra objects.
1317		1394
1318	=cut	1395	=cut
1319		1396
1320	package cf::player;	1397	package cf::player;
1321		1398
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1463	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1464	or return;
1388		1465
1389	my $pl = cf::player::load_pl $f	1466	my $pl = cf::player::load_pl $f
1390	or return;	1467	or return;
		1468
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1469	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1470	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1471	$cf::PLAYER{$login} = $pl
1394	}	1472	}
1395	}	1473	}
…		…
1405		1483
1406	return if $pl->{deny_save};	1484	return if $pl->{deny_save};
1407		1485
1408	aio_mkdir playerdir $pl, 0770;	1486	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1487	$pl->{last_save} = $cf::RUNTIME;
		1488
		1489	cf::get_slot 0.01;
1410		1490
1411	$pl->save_pl ($path);	1491	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1492	cf::cede_to_tick;
1413	}	1493	}
1414		1494
…		…
1446	my ($pl) = @_;	1526	my ($pl) = @_;
1447		1527
1448	my $name = $pl->ob->name;	1528	my $name = $pl->ob->name;
1449		1529
1450	$pl->{deny_save} = 1;	1530	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1532
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1534	$pl->deactivate;
		1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1536	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1538	$pl->ns->destroy if $pl->ns;
1457		1539
1458	my $path = playerdir $pl;	1540	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1541	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1580
1499	for my $login (@$dirs) {	1581	for my $login (@$dirs) {
1500	my $path = path $login;	1582	my $path = path $login;
1501		1583
1502	# a .pst is a dead give-away for a valid player	1584	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1585	# if no pst file found, open and chekc for blocked users
		1586	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1587	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1588	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1589	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1590	}
1508		1591
…		…
1539	}	1622	}
1540		1623
1541	\@paths	1624	\@paths
1542	}	1625	}
1543		1626
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1627	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1628
1546	Expand crossfire pod fragments into protocol xml.	1629	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		1630
1595	=item $player->ext_reply ($msgid, @msg)	1631	=item $player->ext_reply ($msgid, @msg)
1596		1632
1597	Sends an ext reply to the player.	1633	Sends an ext reply to the player.
1598		1634
…		…
1665	our $MAX_RESET = 3600;	1701	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1702	our $DEFAULT_RESET = 3000;
1667		1703
1668	sub generate_random_map {	1704	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1705	my ($self, $rmp) = @_;
		1706
		1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1708
1670	# mit "rum" bekleckern, nicht	1709	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1710	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1835
1797	# the temporary/swap location	1836	# the temporary/swap location
1798	sub save_path {	1837	sub save_path {
1799	my ($self) = @_;	1838	my ($self) = @_;
1800		1839
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1840	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1841	"$TMPDIR/$path.map"
1803	}	1842	}
1804		1843
1805	# the unique path, undef == no special unique path	1844	# the unique path, undef == no special unique path
1806	sub uniq_path {	1845	sub uniq_path {
1807	my ($self) = @_;	1846	my ($self) = @_;
1808		1847
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1849	"$UNIQUEDIR/$path"
1811	}	1850	}
1812		1851
1813	# and all this just because we cannot iterate over	1852	# and all this just because we cannot iterate over
1814	# all maps in C++...	1853	# all maps in C++...
…		…
1912		1951
1913	cf::lock_wait "map_data:$path";#d#remove	1952	cf::lock_wait "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1953	cf::lock_wait "map_find:$path";
1915		1954
1916	$cf::MAP{$path} || do {	1955	$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	1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1957	my $guard2 = cf::lock_acquire "map_find:$path";
1919		1958
1920	my $map = new_from_path cf::map $path	1959	my $map = new_from_path cf::map $path
1921	or return;	1960	or return;
1922		1961
1923	$map->{last_save} = $cf::RUNTIME;	1962	$map->{last_save} = $cf::RUNTIME;
…		…
1926	or return;	1965	or return;
1927		1966
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1967	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1968	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1969	#$cf::WAIT_FOR_TICK->wait;
		1970	undef $guard2;
1931	undef $guard1;	1971	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1972	$map->reset;
1934	return find $path;	1973	return find $path;
1935	}	1974	}
1936		1975
1937	$cf::MAP{$path} = $map	1976	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2003	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2004	$f->skip_block;
1966	$self->_load_objects ($f)	2005	$self->_load_objects ($f)
1967	or return;	2006	or return;
1968		2007
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2008	$self->post_load_original
1970	if delete $self->{load_original};	2009	if delete $self->{load_original};
1971		2010
1972	if (my $uniq = $self->uniq_path) {	2011	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2012	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2013	unless (aio_stat $uniq) {
…		…
2000	}	2039	}
2001		2040
2002	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2042	$self->last_access ($cf::RUNTIME);
2004		2043
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2044	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2045	}
2007		2046
2008	$self->post_load;	2047	$self->post_load;
2009	}	2048	}
2010		2049
…		…
2068	my ($path, $origin, $load) = @_;	2107	my ($path, $origin, $load) = @_;
2069		2108
2070	$path = normalise $path, $origin && $origin->{path};	2109	$path = normalise $path, $origin && $origin->{path};
2071		2110
2072	if (my $map = $cf::MAP{$path}) {	2111	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2113	}
2075		2114
2076	$MAP_PREFETCH{$path} |= $load;	2115	$MAP_PREFETCH{$path} |= $load;
2077		2116
2078	$MAP_PREFETCHER ||= cf::async {	2117	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2154	cf::async {
2116	$Coro::current->{desc} = "map player save";	2155	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2156	$_->contr->save for $self->players;
2118	};	2157	};
2119		2158
		2159	cf::get_slot 0.02;
		2160
2120	if ($uniq) {	2161	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2162	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2163	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2164	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2173	$self->save;
2133		2174
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2175	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2176
2136	return if $self->players;	2177	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2178	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2179	return if $self->{deny_save};
2139		2180
2140	$self->in_memory (cf::MAP_SWAPPED);	2181	$self->in_memory (cf::MAP_SWAPPED);
2141		2182
2142	$self->deactivate;	2183	$self->deactivate;
…		…
2260		2301
2261	sub unique_maps() {	2302	sub unique_maps() {
2262	[	2303	[
2263	map {	2304	map {
2264	utf8::decode $_;	2305	utf8::decode $_;
2265	/\.map$/	2306	s/\.map$//; # TODO future compatibility hack
		2307	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2308	? ()
2266	? normalise $_	2309	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2310	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2311	]
2270	}	2312	}
2271		2313
2272	package cf;
2273
2274	=back	2314	=back
2275		2315
2276	=head3 cf::object	2316	=head3 cf::object
2277		2317
2278	=cut	2318	=cut
…		…
2281		2321
2282	=over 4	2322	=over 4
2283		2323
2284	=item $ob->inv_recursive	2324	=item $ob->inv_recursive
2285		2325
2286	Returns the inventory of the object _and_ their inventories, recursively.	2326	Returns the inventory of the object I<and> their inventories, recursively,
		2327	but I<not> the object itself.
2287		2328
2288	=cut	2329	=cut
2289		2330
2290	sub inv_recursive_;	2331	sub inv_recursive_;
2291	sub inv_recursive_ {	2332	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2337	inv_recursive_ inv $_[0]
2297	}	2338	}
2298		2339
2299	=item $ref = $ob->ref	2340	=item $ref = $ob->ref
2300		2341
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2342	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2343
2303	=item $ob = cf::object::deref ($refstring)	2344	=item $ob = cf::object::deref ($refstring)
2304		2345
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2347	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2379	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2380	dialogue with the given NPC character.
2340		2381
2341	=cut	2382	=cut
2342		2383
		2384	our $SAY_CHANNEL = {
		2385	id => "say",
		2386	title => "Map",
		2387	reply => "say ",
		2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2389	};
		2390
		2391	our $CHAT_CHANNEL = {
		2392	id => "chat",
		2393	title => "Chat",
		2394	reply => "chat ",
		2395	tooltip => "Player chat and shouts, global to the server.",
		2396	};
		2397
2343	# rough implementation of a future "reply" method that works	2398	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2399	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2400	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2401	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2402	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2413	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2414	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2415
2361	} else {	2416	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2417	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2418	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2419	}
2365	}	2420	}
2366	}	2421	}
2367		2422
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2423	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2448
2394	=item $player_object->enter_link	2449	=item $player_object->enter_link
2395		2450
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2451	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2452
2398	The player should be reasonably safe there for short amounts of time. You	2453	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.	2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2455	though, as the palyer cannot control the character while it is on the link
		2456	map.
2400		2457
2401	Will never block.	2458	Will never block.
2402		2459
2403	=item $player_object->leave_link ($map, $x, $y)	2460	=item $player_object->leave_link ($map, $x, $y)
2404		2461
…		…
2462		2519
2463	$map->load;	2520	$map->load;
2464	$map->load_neighbours;	2521	$map->load_neighbours;
2465		2522
2466	return unless $self->contr->active;	2523	return unless $self->contr->active;
		2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2467	$self->activate_recursive;	2525	$self->activate_recursive;
2468		2526
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
2471	}	2529	}
…		…
2475	Moves the player to the given map-path and coordinates by first freezing	2533	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2534	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	2535	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	2536	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2537	be called at the end of this process.
		2538
		2539	Note that $check will be called with a potentially non-loaded map, so if
		2540	it needs a loaded map it has to call C<< ->load >>.
2480		2541
2481	=cut	2542	=cut
2482		2543
2483	our $GOTOGEN;	2544	our $GOTOGEN;
2484		2545
…		…
2563	}	2624	}
2564		2625
2565	sub prepare_random_map {	2626	sub prepare_random_map {
2566	my ($exit) = @_;	2627	my ($exit) = @_;
2567		2628
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2629	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2630	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2631	# that depends on the exit object
2573		2632
2574	my $rmp = parse_random_map_params $exit->msg;	2633	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2635	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2636	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2637	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2638	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
		2640
		2641	$exit->map->touch;
2581	}	2642	}
2582		2643
2583	$rmp->{random_seed} ||= $exit->random_seed;	2644	$rmp->{random_seed} ||= $exit->random_seed;
2584		2645
2585	my $data = cf::to_json $rmp;	2646	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2647	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2648	my $meta = "$RANDOMDIR/$md5.meta";
2588		2649
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2650	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2651	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2652	undef $fh;
2592	aio_rename "$meta~", $meta;	2653	aio_rename "$meta~", $meta;
2593		2654
		2655	my $slaying = "?random/$md5";
		2656
		2657	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2658	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2659	$exit->msg (undef);
		2660	}
2596	}	2661	}
2597	}	2662	}
2598		2663
2599	sub cf::object::player::enter_exit {	2664	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2665	my ($self, $exit) = @_;
2601		2666
2602	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
2603		2668
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;	2669	$self->enter_link;
2616		2670
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 {	2671	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2672	$Coro::current->{desc} = "enter_exit";
2623		2673
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2674	unless (eval {
		2675	$self->deactivate_recursive; # just to be sure
		2676
		2677	# random map handling
		2678	{
		2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2680
		2681	prepare_random_map $exit
		2682	if $exit->slaying eq "/!";
		2683	}
		2684
		2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2686	my $x = $exit->stats->hp;
		2687	my $y = $exit->stats->sp;
		2688
2626	$self->goto ($slaying, $hp, $sp);	2689	$self->goto ($map, $x, $y);
2627		2690
		2691	# if exit is damned, update players death & WoR home-position
		2692	$self->contr->savebed ($map, $x, $y)
		2693	if $exit->flag (cf::FLAG_DAMNED);
		2694
2628	1;	2695	1
2629	}) {	2696	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2697	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2698	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2699	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2700	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2701
2635	warn "ERROR in enter_exit: $@";	2702	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2730	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2731	the message unless the client supports the msg packet.
2665		2732
2666	=cut	2733	=cut
2667		2734
		2735	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2736	our %CHANNEL = (
2669	"c/identify" => {	2737	"c/identify" => {
2670	id => "infobox",	2738	id => "infobox",
2671	title => "Identify",	2739	title => "Identify",
2672	reply => undef,	2740	reply => undef,
…		…
2676	id => "infobox",	2744	id => "infobox",
2677	title => "Examine",	2745	title => "Examine",
2678	reply => undef,	2746	reply => undef,
2679	tooltip => "Signs and other items you examined",	2747	tooltip => "Signs and other items you examined",
2680	},	2748	},
		2749	"c/book" => {
		2750	id => "infobox",
		2751	title => "Book",
		2752	reply => undef,
		2753	tooltip => "The contents of a note or book",
		2754	},
2681	"c/lookat" => {	2755	"c/lookat" => {
2682	id => "infobox",	2756	id => "infobox",
2683	title => "Look",	2757	title => "Look",
2684	reply => undef,	2758	reply => undef,
2685	tooltip => "What you saw there",	2759	tooltip => "What you saw there",
2686	},	2760	},
		2761	"c/who" => {
		2762	id => "infobox",
		2763	title => "Players",
		2764	reply => undef,
		2765	tooltip => "Shows players who are currently online",
		2766	},
		2767	"c/body" => {
		2768	id => "infobox",
		2769	title => "Body Parts",
		2770	reply => undef,
		2771	tooltip => "Shows which body parts you posess and are available",
		2772	},
		2773	"c/uptime" => {
		2774	id => "infobox",
		2775	title => "Uptime",
		2776	reply => undef,
		2777	tooltip => "How long the server has been running since last restart",
		2778	},
		2779	"c/mapinfo" => {
		2780	id => "infobox",
		2781	title => "Map Info",
		2782	reply => undef,
		2783	tooltip => "Information related to the maps",
		2784	},
		2785	"c/party" => {
		2786	id => "party",
		2787	title => "Party",
		2788	reply => "gsay ",
		2789	tooltip => "Messages and chat related to your party",
		2790	},
2687	);	2791	);
2688		2792
2689	sub cf::client::send_msg {	2793	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2794	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2795
2692	$msg = $self->pl->expand_cfpod ($msg);	2796	$msg = $self->pl->expand_cfpod ($msg)
		2797	unless $color & cf::NDI_VERBATIM;
2693		2798
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2799	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2800
2696	# check predefined channels, for the benefit of C	2801	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2802	if ($CHANNEL{$channel}) {
…		…
2718	if ($self->can_msg) {	2823	if ($self->can_msg) {
2719	# default colour, mask it out	2824	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2825	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2826	if $color & cf::NDI_DEF;
2722		2827
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2828	my $pkt = "msg "
		2829	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2830	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2831	);
		2832
		2833	# try lzf for large packets
		2834	$pkt = "lzf " . Compress::LZF::compress $pkt
		2835	if 1024 <= length $pkt and $self->{can_lzf};
		2836
		2837	# split very large packets
		2838	if (8192 < length $pkt and $self->{can_lzf}) {
		2839	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2840	$pkt = "frag";
		2841	}
		2842
		2843	$self->send_packet ($pkt);
2725	} else {	2844	} else {
2726	if ($color >= 0) {	2845	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones	2846	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {	2847	for ($msg) {
2729	1 while	2848	1 while
…		…
2928		3047
2929	The following functions and methods are available within a safe environment:	3048	The following functions and methods are available within a safe environment:
2930		3049
2931	cf::object	3050	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3051	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3052	insert remove name archname title slaying race decrease split
2934		3053
2935	cf::object::player	3054	cf::object::player
2936	player	3055	player
2937		3056
2938	cf::player	3057	cf::player
…		…
2943		3062
2944	=cut	3063	=cut
2945		3064
2946	for (	3065	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3066	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3067	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3068	decrease split destroy change_exp)],
2950	["cf::object::player" => qw(player)],	3069	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3070	["cf::player" => qw(peaceful)],
2952	["cf::map" => qw(trigger)],	3071	["cf::map" => qw(trigger)],
2953	) {	3072	) {
2954	no strict 'refs';	3073	no strict 'refs';
…		…
3059	{	3178	{
3060	my $faces = $facedata->{faceinfo};	3179	my $faces = $facedata->{faceinfo};
3061		3180
3062	while (my ($face, $info) = each %$faces) {	3181	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3182	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3183
3064	cf::face::set_visibility $idx, $info->{visibility};	3184	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3185	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3186	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};	3187	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3188
3069	cf::cede_to_tick;	3189	cf::cede_to_tick;
3070	}	3190	}
3071		3191
3072	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3193	next unless $info->{smooth};
		3194
3074	my $idx = cf::face::find $face	3195	my $idx = cf::face::find $face
3075	or next;	3196	or next;
		3197
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3198	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3199	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3200	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3201	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3202	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3220	{
3099	# TODO: for gcfclient pleasure, we should give resources	3221	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3222	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3223	my $res = $facedata->{resource};
3102		3224
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3225	while (my ($name, $info) = each %$res) {
		3226	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3227	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3228	my $data;
3108		3229
3109	if ($info->{type} & 1) {	3230	if ($info->{type} & 1) {
3110	# prepend meta info	3231	# prepend meta info
3111		3232
3112	my $meta = $enc->encode ({	3233	my $meta = $enc->encode ({
3113	name => $name,	3234	name => $name,
3114	%{ $info->{meta} || {} },	3235	%{ $info->{meta} || {} },
3115	});	3236	});
3116		3237
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3238	$data = pack "(w/a*)*", $meta, $info->{data};
		3239	} else {
		3240	$data = $info->{data};
		3241	}
		3242
		3243	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3244	cf::face::set_type $idx, $info->{type};
3118	} else {	3245	} else {
3119	$data = $info->{data};	3246	$RESOURCE{$name} = $info;
3120	}	3247	}
3121		3248
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;	3249	cf::cede_to_tick;
3126	}	3250	}
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	}	3251	}
		3252
		3253	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3254
3147	1	3255	1
3148	}	3256	}
		3257
		3258	cf::global->attach (on_resource_update => sub {
		3259	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3260	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3261
		3262	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3263	my $sound = $soundconf->{compat}[$_]
		3264	or next;
		3265
		3266	my $face = cf::face::find "sound/$sound->[1]";
		3267	cf::sound::set $sound->[0] => $face;
		3268	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3269	}
		3270
		3271	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3272	my $face = cf::face::find "sound/$v";
		3273	cf::sound::set $k => $face;
		3274	}
		3275	}
		3276	});
3149		3277
3150	register_exticmd fx_want => sub {	3278	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3279	my ($ns, $want) = @_;
3152		3280
3153	while (my ($k, $v) = each %$want) {	3281	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3282	$ns->fx_want ($k, $v);
3155	}	3283	}
3156	};	3284	};
		3285
		3286	sub load_resource_file($) {
		3287	my $guard = lock_acquire "load_resource_file";
		3288
		3289	my $status = load_resource_file_ $_[0];
		3290	get_slot 0.1, 100;
		3291	cf::arch::commit_load;
		3292
		3293	$status
		3294	}
3157		3295
3158	sub reload_regions {	3296	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3297	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3298	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3299	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3313	}
3176		3314
3177	sub reload_archetypes {	3315	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3316	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3317	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	}	3318	}
3186		3319
3187	sub reload_treasures {	3320	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3321	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3322	or die "unable to load treasurelists\n";
3190	}	3323	}
3191		3324
3192	sub reload_resources {	3325	sub reload_resources {
3193	warn "reloading resource files...\n";	3326	warn "reloading resource files...\n";
3194		3327
		3328	reload_facedata;
		3329	reload_archetypes;
3195	reload_regions;	3330	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3331	reload_treasures;
3200		3332
3201	warn "finished reloading resource files\n";	3333	warn "finished reloading resource files\n";
3202	}	3334	}
3203		3335
3204	sub init {	3336	sub init {
		3337	my $guard = freeze_mainloop;
		3338
		3339	evthread_start IO::AIO::poll_fileno;
		3340
3205	reload_resources;	3341	reload_resources;
3206	}	3342	}
3207		3343
3208	sub reload_config {	3344	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3345	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3346	or return;
3211		3347
3212	local $/;	3348	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3349	*CFG = YAML::Load <$fh>;
3214		3350
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3351	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3352
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3353	$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};	3354	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3360	};
3225	warn $@ if $@;	3361	warn $@ if $@;
3226	}	3362	}
3227	}	3363	}
3228		3364
		3365	sub pidfile() {
		3366	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3367	or die "$PIDFILE: $!";
		3368	flock $fh, &Fcntl::LOCK_EX
		3369	or die "$PIDFILE: flock: $!";
		3370	$fh
		3371	}
		3372
		3373	# make sure only one server instance is running at any one time
		3374	sub atomic {
		3375	my $fh = pidfile;
		3376
		3377	my $pid = <$fh>;
		3378	kill 9, $pid if $pid > 0;
		3379
		3380	seek $fh, 0, 0;
		3381	print $fh $$;
		3382	}
		3383
3229	sub main {	3384	sub main {
		3385	atomic;
		3386
3230	# we must not ever block the main coroutine	3387	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3388	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3389	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3390	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3391	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3392	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3393	})->prio (Coro::PRIO_MAX);
3237	};	3394	};
3238		3395
		3396	{
		3397	my $guard = freeze_mainloop;
3239	reload_config;	3398	reload_config;
3240	db_init;	3399	db_init;
3241	load_extensions;	3400	load_extensions;
3242		3401
3243	$TICK_WATCHER->start;	3402	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3403	}
		3404
		3405	utime time, time, $RUNTIMEFILE;
		3406
		3407	# no (long-running) fork's whatsoever before this point(!)
		3408	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3409
3244	Event::loop;	3410	EV::loop;
3245	}	3411	}
3246		3412
3247	#############################################################################	3413	#############################################################################
3248	# initialisation and cleanup	3414	# initialisation and cleanup
3249		3415
3250	# install some emergency cleanup handlers	3416	# install some emergency cleanup handlers
3251	BEGIN {	3417	BEGIN {
		3418	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3419	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3420	$SIGWATCHER{$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";	3421	cf::cleanup "SIG$signal";
3260	},
3261	);	3422	};
3262	}	3423	}
3263	}	3424	}
3264		3425
3265	sub write_runtime {	3426	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3427	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3428	# the fsync below can take a very very long time.
3270		3429
3271	IO::AIO::aio_utime $runtime, undef, undef;	3430	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3431
3273	my $guard = cf::lock_acquire "write_runtime";	3432	my $guard = cf::lock_acquire "write_runtime";
3274		3433
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3434	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3435	or return;
3277		3436
3278	my $value = $cf::RUNTIME + 90 + 10;	3437	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3438	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3439	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3449	aio_utime $fh, undef, undef;
3291		3450
3292	close $fh	3451	close $fh
3293	or return;	3452	or return;
3294		3453
3295	aio_rename "$runtime~", $runtime	3454	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3455	and return;
3297		3456
3298	warn "runtime file written.\n";	3457	warn "runtime file written.\n";
3299		3458
3300	1	3459	1
		3460	}
		3461
		3462	our $uuid_lock;
		3463	our $uuid_skip;
		3464
		3465	sub write_uuid_sync($) {
		3466	$uuid_skip ||= $_[0];
		3467
		3468	return if $uuid_lock;
		3469	local $uuid_lock = 1;
		3470
		3471	my $uuid = "$LOCALDIR/uuid";
		3472
		3473	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3474	or return;
		3475
		3476	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3477	$uuid_skip = 0;
		3478
		3479	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3480	and return;
		3481
		3482	# always fsync - this file is important
		3483	aio_fsync $fh
		3484	and return;
		3485
		3486	close $fh
		3487	or return;
		3488
		3489	aio_rename "$uuid~", $uuid
		3490	and return;
		3491
		3492	warn "uuid file written ($value).\n";
		3493
		3494	1
		3495
		3496	}
		3497
		3498	sub write_uuid($$) {
		3499	my ($skip, $sync) = @_;
		3500
		3501	$sync ? write_uuid_sync $skip
		3502	: async { write_uuid_sync $skip };
3301	}	3503	}
3302		3504
3303	sub emergency_save() {	3505	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3506	my $freeze_guard = cf::freeze_mainloop;
3305		3507
…		…
3327	warn "end emergency map save\n";	3529	warn "end emergency map save\n";
3328		3530
3329	warn "begin emergency database checkpoint\n";	3531	warn "begin emergency database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3532	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3533	warn "end emergency database checkpoint\n";
		3534
		3535	warn "begin write uuid\n";
		3536	write_uuid_sync 1;
		3537	warn "end write uuid\n";
3332	};	3538	};
3333		3539
3334	warn "leave emergency perl save\n";	3540	warn "leave emergency perl save\n";
3335	}	3541	}
3336		3542
3337	sub post_cleanup {	3543	sub post_cleanup {
3338	my ($make_core) = @_;	3544	my ($make_core) = @_;
3339		3545
3340	warn Carp::longmess "post_cleanup backtrace"	3546	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3547	if $make_core;
		3548
		3549	my $fh = pidfile;
		3550	unlink $PIDFILE if <$fh> == $$;
3342	}	3551	}
		3552
		3553	# a safer delete_package, copied from Symbol
		3554	sub clear_package($) {
		3555	my $pkg = shift;
		3556
		3557	# expand to full symbol table name if needed
		3558	unless ($pkg =~ /^main::.*::$/) {
		3559	$pkg = "main$pkg" if $pkg =~ /^::/;
		3560	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3561	$pkg .= '::' unless $pkg =~ /::$/;
		3562	}
		3563
		3564	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3565	my $stem_symtab = *{$stem}{HASH};
		3566
		3567	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3568	or return;
		3569
		3570	# clear all symbols
		3571	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3572	for my $name (keys %$leaf_symtab) {
		3573	_gv_clear *{"$pkg$name"};
		3574	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3575	}
		3576	warn "cleared package #$pkg\n";#d#
		3577	}
		3578
		3579	our $RELOAD; # how many times to reload
3343		3580
3344	sub do_reload_perl() {	3581	sub do_reload_perl() {
3345	# can/must only be called in main	3582	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3583	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3584	warn "can only reload from main coroutine";
3348	return;	3585	return;
3349	}	3586	}
3350		3587
		3588	return if $RELOAD++;
		3589
		3590	while ($RELOAD) {
3351	warn "reloading...";	3591	warn "reloading...";
3352		3592
3353	warn "entering sync_job";	3593	warn "entering sync_job";
3354		3594
3355	cf::sync_job {	3595	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3596	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3597	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3598	cf::write_runtime_sync; # external watchdog should not bark
3359		3599
3360	warn "syncing database to disk";	3600	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3601	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3602
3363	# if anything goes wrong in here, we should simply crash as we already saved	3603	# if anything goes wrong in here, we should simply crash as we already saved
3364		3604
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3605	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3606	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3607	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$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	}	3608	}
3402		3609
3403	warn "... nuking $pkg";	3610	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3611	$_->cancel for values %EXT_CORO;
3405	}	3612	%EXT_CORO = ();
3406		3613
3407	warn "unloading all perl modules loaded from $LIBDIR";	3614	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3615	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3616
		3617	warn "removing ext/exti commands";
		3618	%EXTCMD = ();
		3619	%EXTICMD = ();
		3620
		3621	warn "unloading/nuking all extensions";
		3622	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3623	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3624
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3625	if (my $cb = $pkg->can ("unload")) {
		3626	eval {
3418	$cb->();	3627	$cb->($pkg);
		3628	1
		3629	} or warn "$pkg unloaded, but with errors: $@";
		3630	}
		3631
		3632	warn "... clearing $pkg";
		3633	clear_package $pkg;
3419	}	3634	}
3420		3635
3421	Symbol::delete_package $k;	3636	warn "unloading all perl modules loaded from $LIBDIR";
		3637	while (my ($k, $v) = each %INC) {
		3638	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3639
		3640	warn "... unloading $k";
		3641	delete $INC{$k};
		3642
		3643	$k =~ s/\.pm$//;
		3644	$k =~ s/\//::/g;
		3645
		3646	if (my $cb = $k->can ("unload_module")) {
		3647	$cb->();
		3648	}
		3649
		3650	clear_package $k;
3422	}	3651	}
3423		3652
3424	warn "getting rid of safe::, as good as possible";	3653	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3654	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3655	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3656
3428	warn "unloading cf.pm \"a bit\"";	3657	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3658	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3659	delete $INC{"cf/pod.pm"};
3431		3660
3432	# don't, removes xs symbols, too,	3661	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3662	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3663	#clear_package __PACKAGE__;
3435		3664
3436	warn "unload completed, starting to reload now";	3665	warn "unload completed, starting to reload now";
3437		3666
3438	warn "reloading cf.pm";	3667	warn "reloading cf.pm";
3439	require cf;	3668	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3669	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3670
3442	warn "loading config and database again";	3671	warn "loading config and database again";
3443	cf::reload_config;	3672	cf::reload_config;
3444		3673
3445	warn "loading extensions";	3674	warn "loading extensions";
3446	cf::load_extensions;	3675	cf::load_extensions;
3447		3676
3448	warn "reattaching attachments to objects/players";	3677	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3678	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3679	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3680	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3681	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3682	reattach $_ for values %PLAYER;
3454		3683
3455	warn "leaving sync_job";	3684	warn "leaving sync_job";
3456		3685
3457	1	3686	1
3458	} or do {	3687	} or do {
3459	warn $@;	3688	warn $@;
3460	warn "error while reloading, exiting.";	3689	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3690	};
3463		3691
3464	warn "reloaded";	3692	warn "reloaded";
		3693	--$RELOAD;
		3694	}
3465	};	3695	};
3466		3696
3467	our $RELOAD_WATCHER; # used only during reload	3697	our $RELOAD_WATCHER; # used only during reload
3468		3698
3469	sub reload_perl() {	3699	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3700	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3701	# coro crashes during coro_state_free->destroy here.
3472		3702
3473	$RELOAD_WATCHER ||= Event->timer (	3703	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3474	reentrant => 0,
3475	after => 0,
3476	data => WF_AUTOCANCEL,
3477	cb => sub {
3478	do_reload_perl;	3704	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3705	undef $RELOAD_WATCHER;
3480	},
3481	);	3706	};
3482	}	3707	}
3483		3708
3484	register_command "reload" => sub {	3709	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3710	my ($who, $arg) = @_;
3486		3711
…		…
3499		3724
3500	our @WAIT_FOR_TICK;	3725	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3726	our @WAIT_FOR_TICK_BEGIN;
3502		3727
3503	sub wait_for_tick {	3728	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3729	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3730
3507	my $signal = new Coro::Signal;	3731	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3732	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3733	$signal->wait;
3510	}	3734	}
3511		3735
3512	sub wait_for_tick_begin {	3736	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3738
3516	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3740	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3741	$signal->wait;
3519	}	3742	}
3520		3743
3521	$TICK_WATCHER = Event->timer (	3744	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 != $Coro::main) {	3745	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3746	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3747	unless ++$bug_warning > 10;
3531	return;	3748	return;
3532	}	3749	}
3533		3750
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3751	cf::server_tick; # one server iteration
3537		3752
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3753	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3754	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3755	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3756	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3757	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3758	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3759	};
		3760	}
3549		3761
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3762	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3763	$sig->send;
3552	}	3764	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3765	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3766	$sig->send;
3555	}	3767	}
3556		3768
3557	$NOW = Event::time;	3769	$LOAD = ($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;	3770	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3771
3568	_post_tick;	3772	if (0) {
		3773	if ($NEXT_TICK) {
		3774	my $jitter = $TICK_START - $NEXT_TICK;
		3775	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3776	warn "jitter $JITTER\n";#d#
		3777	}
3569	},	3778	}
3570	);	3779	}
3571		3780
3572	{	3781	{
		3782	# configure BDB
		3783
3573	BDB::min_parallel 8;	3784	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3785	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3786	$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	$! = $status;
3595	},
3596	)
3597	};
3598		3787
3599	unless ($DB_ENV) {	3788	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3789	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3790	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3791	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3792	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3793	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3794	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3795
3606	cf::sync_job {	3796	cf::sync_job {
3607	eval {	3797	eval {
…		…
3617		3807
3618	cf::cleanup "db_env_open(db): $@" if $@;	3808	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3809	};
3620	}	3810	}
3621		3811
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3812	$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 { };	3813	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3814	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3815	$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 { };	3816	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3817	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3818	$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 { };	3819	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3820	};
3652	}	3821	}
3653		3822
3654	{	3823	{
		3824	# configure IO::AIO
		3825
3655	IO::AIO::min_parallel 8;	3826	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3827	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3828	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	}	3829	}
3668		3830
3669	my $_log_backtrace;	3831	my $_log_backtrace;
3670		3832
3671	sub _log_backtrace {	3833	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3836	$msg =~ s/\n//;
3675		3837
3676	# limit the # of concurrent backtraces	3838	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3839	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3840	++$_log_backtrace;
		3841	my $perl_bt = Carp::longmess $msg;
3679	async {	3842	async {
3680	$Coro::current->{desc} = "abt $msg";	3843	$Coro::current->{desc} = "abt $msg";
3681		3844
3682	my @bt = fork_call {	3845	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3846	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3857	}
3695		3858
3696	@funcs	3859	@funcs
3697	};	3860	};
3698		3861
3699	LOG llevInfo, "[ABT] $msg\n";	3862	LOG llevInfo, "[ABT] $perl_bt\n";
		3863	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3864	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3865	--$_log_backtrace;
3702	};	3866	};
3703	} else {	3867	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3868	LOG llevInfo, "[ABT] $msg\n";

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