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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.457 by root, Wed Oct 1 05:50:19 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 Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.64 ();	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 2.32 ();	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
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	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
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		74
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		76
52	our %COMMAND = ();	77	our %COMMAND = ();
53	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	81	our %EXTCMD = ();
57	our %EXTICMD = ();	82	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
60		85
61	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	87	our @EVENT;
63		88
64	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	90	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
75		104
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	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	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	107	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
84	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	113	our $DB_ENV;
86		114
87	our %CFG;	115	our %CFG;
88		116
89	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
91		120
92	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
95		124
96	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		127
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
		135	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		136
103	binmode STDOUT;	137	binmode STDOUT;
104	binmode STDERR;	138	binmode STDERR;
105		139
106	# read virtual server time, if available	140	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	141	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	142	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	143	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	144	$RUNTIME = <$fh> + 0.;
111	}	145	}
112		146
113	mkdir $_	147	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	148	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
159		193
160	The raw value load value from the last tick.	194	The raw value load value from the last tick.
161		195
162	=item %cf::CFG	196	=item %cf::CFG
163		197
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	198	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	199	from wherever your confdir points to.
166		200
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	201	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		202
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	203	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	221	$msg .= "\n"
188	unless $msg =~ /\n$/;	222	unless $msg =~ /\n$/;
189		223
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	224	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		225
192	utf8::encode $msg;
193	LOG llevError, $msg;	226	LOG llevError, $msg;
194	};	227	};
195	}	228	}
		229
		230	$Coro::State::DIEHOOK = sub {
		231	return unless $^S eq 0; # "eq", not "=="
		232
		233	if ($Coro::current == $Coro::main) {#d#
		234	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		235	return;#d#
		236	}#d#
		237
		238	# kill coroutine otherwise
		239	warn Carp::longmess $_[0];
		240	Coro::terminate
		241	};
		242
		243	$SIG{__DIE__} = sub { }; #d#?
196		244
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	245	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	246	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	247	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	248	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	255	for my $pkg (qw(
208	cf::global cf::attachable	256	cf::global cf::attachable
209	cf::object cf::object::player	257	cf::object cf::object::player
210	cf::client cf::player	258	cf::client cf::player
211	cf::arch cf::living	259	cf::arch cf::living
		260	cf::map cf::mapspace
212	cf::map cf::party cf::region	261	cf::party cf::region
213	)) {	262	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	263	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	264	}
217		265
218	$Event::DIED = sub {	266	$EV::DIED = sub {
219	warn "error in event callback: @_";	267	warn "error in event callback: @_";
220	};	268	};
221		269
222	#############################################################################	270	#############################################################################
223		271
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	294	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	295	$d
248	} || "[unable to dump $_[0]: '$@']";	296	} || "[unable to dump $_[0]: '$@']";
249	}	297	}
250		298
251	=item $ref = cf::from_json $json	299	=item $ref = cf::decode_json $json
252		300
253	Converts a JSON string into the corresponding perl data structure.	301	Converts a JSON string into the corresponding perl data structure.
254		302
255	=item $json = cf::to_json $ref	303	=item $json = cf::encode_json $ref
256		304
257	Converts a perl data structure into its JSON representation.	305	Converts a perl data structure into its JSON representation.
258		306
259	=cut	307	=cut
260		308
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	309	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		310
263	sub to_json ($) { $json_coder->encode ($_[0]) }	311	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	312	sub decode_json($) { $json_coder->decode ($_[0]) }
		313
		314	=item cf::post_init { BLOCK }
		315
		316	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		317	but I<before> the server starts ticking again.
		318
		319	The cdoeblock will have a single boolean argument to indicate whether this
		320	is a reload or not.
		321
		322	=cut
		323
		324	sub post_init(&) {
		325	push @POST_INIT, shift;
		326	}
265		327
266	=item cf::lock_wait $string	328	=item cf::lock_wait $string
267		329
268	Wait until the given lock is available. See cf::lock_acquire.	330	Wait until the given lock is available. See cf::lock_acquire.
269		331
…		…
285	Return true if the lock is currently active, i.e. somebody has locked it.	347	Return true if the lock is currently active, i.e. somebody has locked it.
286		348
287	=cut	349	=cut
288		350
289	our %LOCK;	351	our %LOCK;
		352	our %LOCKER;#d#
290		353
291	sub lock_wait($) {	354	sub lock_wait($) {
292	my ($key) = @_;	355	my ($key) = @_;
293		356
		357	if ($LOCKER{$key} == $Coro::current) {#d#
		358	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		359	return;#d#
		360	}#d#
		361
294	# wait for lock, if any	362	# wait for lock, if any
295	while ($LOCK{$key}) {	363	while ($LOCK{$key}) {
		364	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
296	push @{ $LOCK{$key} }, $Coro::current;	365	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;	366	Coro::schedule;
298	}	367	}
299	}	368	}
300		369
…		…
303		372
304	# wait, to be sure we are not locked	373	# wait, to be sure we are not locked
305	lock_wait $key;	374	lock_wait $key;
306		375
307	$LOCK{$key} = [];	376	$LOCK{$key} = [];
		377	$LOCKER{$key} = $Coro::current;#d#
308		378
309	Coro::guard {	379	Coro::guard {
		380	delete $LOCKER{$key};#d#
310	# wake up all waiters, to be on the safe side	381	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };	382	$_->ready for @{ delete $LOCK{$key} };
312	}	383	}
313	}	384	}
314		385
…		…
317		388
318	! ! $LOCK{$key}	389	! ! $LOCK{$key}
319	}	390	}
320		391
321	sub freeze_mainloop {	392	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
323		394
324	my $guard = Coro::guard {	395	Coro::guard \&tick_inhibit_dec;
325	$TICK_WATCHER->start;	396	}
326	};	397
327	$TICK_WATCHER->stop;	398	=item cf::periodic $interval, $cb
328	$guard	399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
329	}	411	}
330		412
331	=item cf::get_slot $time[, $priority[, $name]]	413	=item cf::get_slot $time[, $priority[, $name]]
332		414
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
344	our @SLOT_QUEUE;	426	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	427	our $SLOT_QUEUE;
346		428
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
349	my $signal = new Coro::Signal;	433	my $signal = new Coro::Signal;
350		434
351	while () {	435	while () {
352	next_job:	436	next_job:
353	my $avail = cf::till_tick;	437	my $avail = cf::till_tick;
…		…
361	}	445	}
362	}	446	}
363	}	447	}
364		448
365	if (@SLOT_QUEUE) {	449	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
367	push @cf::WAIT_FOR_TICK, $signal;	451	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;	452	$signal->wait;
369	} else {	453	} else {
370	Coro::schedule;	454	Coro::schedule;
371	}	455	}
372	}	456	}
373	};	457	};
374		458
375	sub get_slot($;$$) {	459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
376	my ($time, $pri, $name) = @_;	462	my ($time, $pri, $name) = @_;
377		463
378	$time = $TICK * .6 if $time > $TICK * .6;	464	$time = $TICK * .6 if $time > $TICK * .6;
379	my $sig = new Coro::Signal;	465	my $sig = new Coro::Signal;
380		466
…		…
394		480
395	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
396		482
397	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
398		484
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	485	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	486	is always able to handle events or runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	488	acceptable.
403		489
404	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
…		…
410		496
411	sub sync_job(&) {	497	sub sync_job(&) {
412	my ($job) = @_;	498	my ($job) = @_;
413		499
414	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
415	my $time = Event::time;	501	my $time = EV::time;
416		502
417	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
419		505
420	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	507
422	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
423		509
424	my $busy = 1;	510	my $busy = 1;
425	my @res;	511	my @res;
426		512
427	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	515	@res = eval { $job->() };
429	warn $@ if $@;	516	warn $@ if $@;
430	undef $busy;	517	undef $busy;
431	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
432		519
433	while ($busy) {	520	while ($busy) {
434	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
435	}	525	}
		526	}
436		527
437	$time = Event::time - $time;	528	my $time = EV::time - $time;
438		529
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	530	$TICK_START += $time; # do not account sync jobs to server load
443		531
444	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
445	} else {	533	} else {
446	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
447		535
…		…
472	=item fork_call { }, $args	560	=item fork_call { }, $args
473		561
474	Executes the given code block with the given arguments in a seperate	562	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	563	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	564	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	565	never block itself or use any form of event handling.
478		566
479	=cut	567	=cut
480		568
481	sub fork_call(&@) {	569	sub fork_call(&@) {
482	my ($cb, @args) = @_;	570	my ($cb, @args) = @_;
483		571
484	# we seemingly have to make a local copy of the whole thing,	572	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/	573	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)	574	# TODO: investigate and fix (likely this will be rather laborious)
487		575
488	my @res = Coro::Util::fork_eval {	576	my @res = Coro::Util::fork_eval {
489	reset_signals;	577	reset_signals;
490	&$cb	578	&$cb
491	}, @args;	579	}, @args;
492		580
493	wantarray ? @res : $res[-1]	581	wantarray ? @res : $res[-1]
494	}	582	}
495		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
496	=item $value = cf::db_get $family => $key	611	=item $value = cf::db_get $family => $key
497		612
498	Returns a single value from the environment database.	613	Returns a single value from the environment database.
499		614
500	=item cf::db_put $family => $key => $value	615	=item cf::db_put $family => $key => $value
501		616
502	Stores the given C<$value> in the family. It can currently store binary	617	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
505	=cut	625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
506		643
507	our $DB;	644	our $DB;
508		645
509	sub db_init {	646	sub db_init {
510	unless ($DB) {
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {	647	cf::sync_job {
514	eval {	648	$DB ||= db_table "db";
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}	649	};
524	}	650	}
525		651
526	sub db_get($$) {	652	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	653	my $key = "$_[0]/$_[1]";
528		654
…		…
626		752
627	#############################################################################	753	#############################################################################
628		754
629	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
630		756
631	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
634		760
635	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	763	Deliantra).
638		764
639	=over 4	765	=over 4
640		766
641	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
642		768
…		…
686	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
687		813
688	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
690		816
691	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
693		819
694	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
695		821
696	=over 4	822	=over 4
…		…
924	}	1050	}
925		1051
926	0	1052	0
927	}	1053	}
928		1054
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1056
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1058
933	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
934		1060
…		…
940		1066
941	=cut	1067	=cut
942		1068
943	#############################################################################	1069	#############################################################################
944	# object support	1070	# object support
945	#
946		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
947	sub _can_merge {	1105	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1106	my ($ob1, $ob2) = @_;
949		1107
950	local $Storable::canonical = 1;	1108	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1109
954	$fob1 eq $fob2	1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
955	}	1112	}
956		1113
957	sub reattach {	1114	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1116	my ($obj) = @_;
960		1117
		1118	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1120
963	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
964		1122
965	@$registry = ();	1123	@$registry = ();
966		1124
…		…
981	cf::attachable->attach (	1139	cf::attachable->attach (
982	prio => -1000000,	1140	prio => -1000000,
983	on_instantiate => sub {	1141	on_instantiate => sub {
984	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
985		1143
986	$data = from_json $data;	1144	$data = decode_json $data;
987		1145
988	for (@$data) {	1146	for (@$data) {
989	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
990		1148
991	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1165	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
1009		1167
1010	sync_job {	1168	sync_job {
1011	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
1014		1173
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1177	aio_fsync $fh if $cf::USE_FSYNC;
1019	close $fh;	1178	aio_close $fh;
1020		1179
1021	if (@$objs) {	1180	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1183	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1184	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1185	aio_fsync $fh if $cf::USE_FSYNC;
1027	close $fh;	1186	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1187	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1188	}
1030	} else {	1189	} else {
1031	aio_unlink "$filename.pst";	1190	aio_unlink "$filename.pst";
1032	}	1191	}
1033		1192
1034	aio_rename "$filename~", $filename;	1193	aio_rename "$filename~", $filename;
		1194
		1195	$filename =~ s%/[^/]+$%%;
		1196	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1197	} else {
1036	warn "FATAL: $filename~: $!\n";	1198	warn "FATAL: $filename~: $!\n";
1037	}	1199	}
1038	} else {	1200	} else {
1039	aio_unlink $filename;	1201	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1202	aio_unlink "$filename.pst";
1041	}	1203	}
1042	}	1204	};
1043	}	1205	}
1044		1206
1045	sub object_freezer_as_string {	1207	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1208	my ($rdata, $objs) = @_;
1047		1209
…		…
1059	or return;	1221	or return;
1060		1222
1061	unless (aio_stat "$filename.pst") {	1223	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1224	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1225	or return;
		1226
1064	$av = eval { (Storable::thaw $av)->{objs} };	1227	my $st = eval { Coro::Storable::thaw $av };
		1228	$av = $st->{objs};
1065	}	1229	}
1066		1230
		1231	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1232	warn sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1233	$decname, length $data, scalar @{$av || []};
		1234
1069	return ($data, $av);	1235	($data, $av)
1070	}	1236	}
1071		1237
1072	=head2 COMMAND CALLBACKS	1238	=head2 COMMAND CALLBACKS
1073		1239
1074	=over 4	1240	=over 4
…		…
1128	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
1129		1295
1130	$EXTICMD{$name} = $cb;	1296	$EXTICMD{$name} = $cb;
1131	}	1297	}
1132		1298
		1299	use File::Glob ();
		1300
1133	cf::player->attach (	1301	cf::player->attach (
1134	on_command => sub {	1302	on_command => sub {
1135	my ($pl, $name, $params) = @_;	1303	my ($pl, $name, $params) = @_;
1136		1304
1137	my $cb = $COMMAND{$name}	1305	my $cb = $COMMAND{$name}
…		…
1169		1337
1170	cf::override;	1338	cf::override;
1171	},	1339	},
1172	);	1340	);
1173		1341
		1342	# "readahead" all extensions
		1343	sub cache_extensions {
		1344	my $grp = IO::AIO::aio_group;
		1345
		1346	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1347	for (grep /\.ext$/, @{$_[0]}) {
		1348	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1349	}
		1350	};
		1351
		1352	$grp
		1353	}
		1354
1174	sub load_extensions {	1355	sub load_extensions {
1175	cf::sync_job {	1356	cf::sync_job {
1176	my %todo;	1357	my %todo;
1177		1358
1178	for my $path (<$LIBDIR/*.ext>) {	1359	for my $path (<$LIBDIR/*.ext>) {
…		…
1197		1378
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1379	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1380	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1381
1201	$ext{source} =	1382	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1383	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1203	. "#line 1 \"$path\"\n{\n"	1384	. "#line 1 \"$path\"\n{\n"
1204	. $source	1385	. $source
1205	. "\n};\n1";	1386	. "\n};\n1";
1206		1387
1207	$todo{$base} = \%ext;	1388	$todo{$base} = \%ext;
…		…
1223	my $msg = $@ ? "$v->{path}: $@\n"	1404	my $msg = $@ ? "$v->{path}: $@\n"
1224	: "$v->{base}: extension inactive.\n";	1405	: "$v->{base}: extension inactive.\n";
1225		1406
1226	if (exists $v->{meta}{mandatory}) {	1407	if (exists $v->{meta}{mandatory}) {
1227	warn $msg;	1408	warn $msg;
1228	warn "mandatory extension failed to load, exiting.\n";	1409	cf::cleanup "mandatory extension failed to load, exiting.";
1229	exit 1;
1230	}	1410	}
1231		1411
1232	warn $msg;	1412	warn $msg;
1233	}	1413	}
1234		1414
…		…
1248		1428
1249	=back	1429	=back
1250		1430
1251	=head2 CORE EXTENSIONS	1431	=head2 CORE EXTENSIONS
1252		1432
1253	Functions and methods that extend core crossfire objects.	1433	Functions and methods that extend core deliantra objects.
1254		1434
1255	=cut	1435	=cut
1256		1436
1257	package cf::player;	1437	package cf::player;
1258		1438
1259	use Coro::AIO;	1439	use Coro::AIO;
1260		1440
1261	=head3 cf::player	1441	=head3 cf::player
1262		1442
1263	=over 4	1443	=over 4
		1444
		1445	=item cf::player::num_playing
		1446
		1447	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1448
		1449	=cut
		1450
		1451	sub num_playing {
		1452	scalar grep
		1453	$_->ob->map
		1454	&& !$_->hidden
		1455	&& !$_->ob->flag (cf::FLAG_WIZ),
		1456	cf::player::list
		1457	}
1264		1458
1265	=item cf::player::find $login	1459	=item cf::player::find $login
1266		1460
1267	Returns the given player object, loading it if necessary (might block).	1461	Returns the given player object, loading it if necessary (might block).
1268		1462
…		…
1287		1481
1288	sub exists($) {	1482	sub exists($) {
1289	my ($login) = @_;	1483	my ($login) = @_;
1290		1484
1291	$cf::PLAYER{$login}	1485	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1486	or !aio_stat path $login
1293	}	1487	}
1294		1488
1295	sub find($) {	1489	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1490	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1491	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1498	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1499	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1500	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1501	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1502
1309	my $pl = load_pl path $login	1503	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1504	or return;
		1505
		1506	my $pl = cf::player::load_pl $f
		1507	or return;
		1508
		1509	local $cf::PLAYER_LOADING{$login} = $pl;
		1510	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1511	$cf::PLAYER{$login} = $pl
1312	}	1512	}
1313	}	1513	}
1314	}	1514	}
1315		1515
…		…
1323		1523
1324	return if $pl->{deny_save};	1524	return if $pl->{deny_save};
1325		1525
1326	aio_mkdir playerdir $pl, 0770;	1526	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1527	$pl->{last_save} = $cf::RUNTIME;
		1528
		1529	cf::get_slot 0.01;
1328		1530
1329	$pl->save_pl ($path);	1531	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1532	cf::cede_to_tick;
1331	}	1533	}
1332		1534
…		…
1364	my ($pl) = @_;	1566	my ($pl) = @_;
1365		1567
1366	my $name = $pl->ob->name;	1568	my $name = $pl->ob->name;
1367		1569
1368	$pl->{deny_save} = 1;	1570	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1571	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1572
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1573	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1372	$pl->deactivate;	1574	$pl->deactivate;
		1575	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1576	$pl->ob->check_score;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1577	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1374	$pl->ns->destroy if $pl->ns;	1578	$pl->ns->destroy if $pl->ns;
1375		1579
1376	my $path = playerdir $pl;	1580	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1581	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1413	or return [];	1617	or return [];
1414		1618
1415	my @logins;	1619	my @logins;
1416		1620
1417	for my $login (@$dirs) {	1621	for my $login (@$dirs) {
		1622	my $path = path $login;
		1623
		1624	# a .pst is a dead give-away for a valid player
		1625	# if no pst file found, open and chekc for blocked users
		1626	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1627	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1628	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1629	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1630	}
1421		1631
1422	utf8::decode $login;	1632	utf8::decode $login;
1423	push @logins, $login;	1633	push @logins, $login;
1424	}	1634	}
1425		1635
…		…
1452	}	1662	}
1453		1663
1454	\@paths	1664	\@paths
1455	}	1665	}
1456		1666
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1667	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1668
1459	Expand crossfire pod fragments into protocol xml.	1669	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507		1670
1508	=item $player->ext_reply ($msgid, @msg)	1671	=item $player->ext_reply ($msgid, @msg)
1509		1672
1510	Sends an ext reply to the player.	1673	Sends an ext reply to the player.
1511		1674
…		…
1578	our $MAX_RESET = 3600;	1741	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	1742	our $DEFAULT_RESET = 3000;
1580		1743
1581	sub generate_random_map {	1744	sub generate_random_map {
1582	my ($self, $rmp) = @_;	1745	my ($self, $rmp) = @_;
		1746
		1747	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1748
1583	# mit "rum" bekleckern, nicht	1749	# mit "rum" bekleckern, nicht
1584	$self->_create_random_map (	1750	$self->_create_random_map (
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1751	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1752	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1753	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1709		1875
1710	# the temporary/swap location	1876	# the temporary/swap location
1711	sub save_path {	1877	sub save_path {
1712	my ($self) = @_;	1878	my ($self) = @_;
1713		1879
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	1881	"$TMPDIR/$path.map"
1716	}	1882	}
1717		1883
1718	# the unique path, undef == no special unique path	1884	# the unique path, undef == no special unique path
1719	sub uniq_path {	1885	sub uniq_path {
1720	my ($self) = @_;	1886	my ($self) = @_;
1721		1887
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1888	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	1889	"$UNIQUEDIR/$path"
1724	}	1890	}
1725		1891
1726	# and all this just because we cannot iterate over	1892	# and all this just because we cannot iterate over
1727	# all maps in C++...	1893	# all maps in C++...
…		…
1750		1916
1751	sub load_header_from($) {	1917	sub load_header_from($) {
1752	my ($self, $path) = @_;	1918	my ($self, $path) = @_;
1753		1919
1754	utf8::encode $path;	1920	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	1921	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	1922	or return;
		1923
		1924	$self->_load_header ($f)
		1925	or return;
		1926
		1927	local $MAP_LOADING{$self->{path}} = $self;
		1928	$f->resolve_delayed_derefs;
1760		1929
1761	$self->{load_path} = $path;	1930	$self->{load_path} = $path;
1762		1931
1763	1	1932	1
1764	}	1933	}
…		…
1818	sub find {	1987	sub find {
1819	my ($path, $origin) = @_;	1988	my ($path, $origin) = @_;
1820		1989
1821	$path = normalise $path, $origin && $origin->path;	1990	$path = normalise $path, $origin && $origin->path;
1822		1991
		1992	cf::lock_wait "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	1993	cf::lock_wait "map_find:$path";
1824		1994
1825	$cf::MAP{$path} || do {	1995	$cf::MAP{$path} || do {
		1996	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1826	my $guard = cf::lock_acquire "map_find:$path";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
		1998
1827	my $map = new_from_path cf::map $path	1999	my $map = new_from_path cf::map $path
1828	or return;	2000	or return;
1829		2001
1830	$map->{last_save} = $cf::RUNTIME;	2002	$map->{last_save} = $cf::RUNTIME;
1831		2003
…		…
1833	or return;	2005	or return;
1834		2006
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2007	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2008	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2009	#$cf::WAIT_FOR_TICK->wait;
		2010	undef $guard2;
		2011	undef $guard1;
1838	$map->reset;	2012	$map->reset;
1839	undef $guard;
1840	return find $path;	2013	return find $path;
1841	}	2014	}
1842		2015
1843	$cf::MAP{$path} = $map	2016	$cf::MAP{$path} = $map
1844	}	2017	}
…		…
1853	local $self->{deny_reset} = 1; # loading can take a long time	2026	local $self->{deny_reset} = 1; # loading can take a long time
1854		2027
1855	my $path = $self->{path};	2028	my $path = $self->{path};
1856		2029
1857	{	2030	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2031	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2032
		2033	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2034	return unless $self->in_memory == cf::MAP_SWAPPED;
1862		2035
1863	$self->in_memory (cf::MAP_LOADING);	2036	$self->in_memory (cf::MAP_LOADING);
1864		2037
1865	$self->alloc;	2038	$self->alloc;
1866		2039
1867	$self->pre_load;	2040	$self->pre_load;
1868	cf::cede_to_tick;	2041	cf::cede_to_tick;
1869		2042
		2043	my $f = new_from_file cf::object::thawer $self->{load_path};
		2044	$f->skip_block;
1870	$self->_load_objects ($self->{load_path}, 1)	2045	$self->_load_objects ($f)
1871	or return;	2046	or return;
1872		2047
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2048	$self->post_load_original
1874	if delete $self->{load_original};	2049	if delete $self->{load_original};
1875		2050
1876	if (my $uniq = $self->uniq_path) {	2051	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2052	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2053	unless (aio_stat $uniq) {
		2054	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2055	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2056	$self->_load_objects ($f);
		2057	$f->resolve_delayed_derefs;
		2058	}
1881	}	2059	}
1882	}	2060	}
		2061
		2062	$f->resolve_delayed_derefs;
1883		2063
1884	cf::cede_to_tick;	2064	cf::cede_to_tick;
1885	# now do the right thing for maps	2065	# now do the right thing for maps
1886	$self->link_multipart_objects;	2066	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2067	$self->difficulty ($self->estimate_difficulty)
…		…
1899	}	2079	}
1900		2080
1901	$self->{last_save} = $cf::RUNTIME;	2081	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2082	$self->last_access ($cf::RUNTIME);
1903		2083
1904	$self->in_memory (cf::MAP_IN_MEMORY);	2084	$self->in_memory (cf::MAP_ACTIVE);
1905	}	2085	}
1906		2086
1907	$self->post_load;	2087	$self->post_load;
1908	}	2088	}
1909		2089
…		…
1967	my ($path, $origin, $load) = @_;	2147	my ($path, $origin, $load) = @_;
1968		2148
1969	$path = normalise $path, $origin && $origin->{path};	2149	$path = normalise $path, $origin && $origin->{path};
1970		2150
1971	if (my $map = $cf::MAP{$path}) {	2151	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2152	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1973	}	2153	}
1974		2154
1975	$MAP_PREFETCH{$path} |= $load;	2155	$MAP_PREFETCH{$path} |= $load;
1976		2156
1977	$MAP_PREFETCHER ||= cf::async {	2157	$MAP_PREFETCHER ||= cf::async {
		2158	$Coro::current->{desc} = "map prefetcher";
		2159
1978	while (%MAP_PREFETCH) {	2160	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2161	while (my ($k, $v) = each %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2162	if (my $map = find $k) {
1981	$map->load if $v;	2163	$map->load if $v;
1982	}	2164	}
…		…
2008	return if $self->{deny_save};	2190	return if $self->{deny_save};
2009		2191
2010	local $self->{last_access} = $self->last_access;#d#	2192	local $self->{last_access} = $self->last_access;#d#
2011		2193
2012	cf::async {	2194	cf::async {
		2195	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2196	$_->contr->save for $self->players;
2014	};	2197	};
		2198
		2199	cf::get_slot 0.02;
2015		2200
2016	if ($uniq) {	2201	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2202	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2203	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2204	} else {
…		…
2028	$self->save;	2213	$self->save;
2029		2214
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2215	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2216
2032	return if $self->players;	2217	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;	2218	return if $self->in_memory != cf::MAP_ACTIVE;
2034	return if $self->{deny_save};	2219	return if $self->{deny_save};
2035		2220
		2221	$self->in_memory (cf::MAP_SWAPPED);
		2222
		2223	$self->deactivate;
		2224	$_->clear_links_to ($self) for values %cf::MAP;
2036	$self->clear;	2225	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2226	}
2039		2227
2040	sub reset_at {	2228	sub reset_at {
2041	my ($self) = @_;	2229	my ($self) = @_;
2042		2230
…		…
2074	if $uniq;	2262	if $uniq;
2075	}	2263	}
2076		2264
2077	delete $cf::MAP{$self->path};	2265	delete $cf::MAP{$self->path};
2078		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2269	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2270
2083	$self->unlink_save;	2271	$self->unlink_save;
2084	$self->destroy;	2272	$self->destroy;
2085	}	2273	}
2086		2274
…		…
2153		2341
2154	sub unique_maps() {	2342	sub unique_maps() {
2155	[	2343	[
2156	map {	2344	map {
2157	utf8::decode $_;	2345	utf8::decode $_;
2158	/\.map$/	2346	s/\.map$//; # TODO future compatibility hack
		2347	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2348	? ()
2159	? normalise $_	2349	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2350	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2351	]
2163	}	2352	}
2164		2353
2165	package cf;
2166
2167	=back	2354	=back
2168		2355
2169	=head3 cf::object	2356	=head3 cf::object
2170		2357
2171	=cut	2358	=cut
…		…
2174		2361
2175	=over 4	2362	=over 4
2176		2363
2177	=item $ob->inv_recursive	2364	=item $ob->inv_recursive
2178		2365
2179	Returns the inventory of the object _and_ their inventories, recursively.	2366	Returns the inventory of the object I<and> their inventories, recursively,
		2367	but I<not> the object itself.
2180		2368
2181	=cut	2369	=cut
2182		2370
2183	sub inv_recursive_;	2371	sub inv_recursive_;
2184	sub inv_recursive_ {	2372	sub inv_recursive_ {
…		…
2187		2375
2188	sub inv_recursive {	2376	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2377	inv_recursive_ inv $_[0]
2190	}	2378	}
2191		2379
		2380	=item $ref = $ob->ref
		2381
		2382	Creates and returns a persistent reference to an object that can be stored as a string.
		2383
		2384	=item $ob = cf::object::deref ($refstring)
		2385
		2386	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2387	even if the object actually exists. May block.
		2388
		2389	=cut
		2390
		2391	sub deref {
		2392	my ($ref) = @_;
		2393
		2394	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2395	my ($uuid, $name) = ($1, $2);
		2396	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2397	or return;
		2398	$pl->ob->uuid eq $uuid
		2399	or return;
		2400
		2401	$pl->ob
		2402	} else {
		2403	warn "$ref: cannot resolve object reference\n";
		2404	undef
		2405	}
		2406	}
		2407
2192	package cf;	2408	package cf;
2193		2409
2194	=back	2410	=back
2195		2411
2196	=head3 cf::object::player	2412	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2418	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2419	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2420	dialogue with the given NPC character.
2205		2421
2206	=cut	2422	=cut
		2423
		2424	our $SAY_CHANNEL = {
		2425	id => "say",
		2426	title => "Map",
		2427	reply => "say ",
		2428	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2429	};
		2430
		2431	our $CHAT_CHANNEL = {
		2432	id => "chat",
		2433	title => "Chat",
		2434	reply => "chat ",
		2435	tooltip => "Player chat and shouts, global to the server.",
		2436	};
2207		2437
2208	# rough implementation of a future "reply" method that works	2438	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2439	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2440	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2441	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2453	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2454	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2455
2226	} else {	2456	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2457	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2458	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2459	}
2230	}	2460	}
2231	}	2461	}
2232		2462
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2463	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2258		2488
2259	=item $player_object->enter_link	2489	=item $player_object->enter_link
2260		2490
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2491	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2492
2263	The player should be reasonably safe there for short amounts of time. You	2493	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2494	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2495	though, as the palyer cannot control the character while it is on the link
		2496	map.
2265		2497
2266	Will never block.	2498	Will never block.
2267		2499
2268	=item $player_object->leave_link ($map, $x, $y)	2500	=item $player_object->leave_link ($map, $x, $y)
2269		2501
…		…
2327		2559
2328	$map->load;	2560	$map->load;
2329	$map->load_neighbours;	2561	$map->load_neighbours;
2330		2562
2331	return unless $self->contr->active;	2563	return unless $self->contr->active;
		2564	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2332	$self->activate_recursive;	2565	$self->activate_recursive;
2333		2566
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2567	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2568	$self->enter_map ($map, $x, $y);
2336	}	2569	}
…		…
2341	her, loading and preparing them map, calling the provided $check callback	2574	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2575	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2576	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2577	be called at the end of this process.
2345		2578
		2579	Note that $check will be called with a potentially non-loaded map, so if
		2580	it needs a loaded map it has to call C<< ->load >>.
		2581
2346	=cut	2582	=cut
2347		2583
2348	our $GOTOGEN;	2584	our $GOTOGEN;
2349		2585
2350	sub cf::object::player::goto {	2586	sub cf::object::player::goto {
…		…
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2590	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2591
2356	$self->enter_link;	2592	$self->enter_link;
2357		2593
2358	(async {	2594	(async {
		2595	$Coro::current->{desc} = "player::goto $path $x $y";
		2596
		2597	# *tag paths override both path and x|y
		2598	if ($path =~ /^\*(.*)$/) {
		2599	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2600	my $ob = $obs[rand @obs];
		2601
		2602	# see if we actually can go there
		2603	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2604	$ob = $obs[rand @obs];
		2605	} else {
		2606	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608	# else put us there anyways for now #d#
		2609
		2610	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2611	} else {
		2612	($path, $x, $y) = (undef, undef, undef);
		2613	}
		2614	}
		2615
2359	my $map = eval {	2616	my $map = eval {
2360	my $map = cf::map::find $path;	2617	my $map = defined $path ? cf::map::find $path : undef;
2361		2618
2362	if ($map) {	2619	if ($map) {
2363	$map = $map->customise_for ($self);	2620	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2621	$map = $check->($map) if $check && $map;
2365	} else {	2622	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2623	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2624	}
2368		2625
2369	$map	2626	$map
2370	};	2627	};
2371		2628
…		…
2407	}	2664	}
2408		2665
2409	sub prepare_random_map {	2666	sub prepare_random_map {
2410	my ($exit) = @_;	2667	my ($exit) = @_;
2411		2668
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2669	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2670	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2671	# that depends on the exit object
2417		2672
2418	my $rmp = parse_random_map_params $exit->msg;	2673	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	2675	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	2676	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	2677	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	2678	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	2679	$rmp->{origin_y} = $exit->y;
		2680
		2681	$exit->map->touch;
2425	}	2682	}
2426		2683
2427	$rmp->{random_seed} ||= $exit->random_seed;	2684	$rmp->{random_seed} ||= $exit->random_seed;
2428		2685
2429	my $data = cf::to_json $rmp;	2686	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	2687	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	2688	my $meta = "$RANDOMDIR/$md5.meta";
2432		2689
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2690	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	2691	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	2692	undef $fh;
2436	aio_rename "$meta~", $meta;	2693	aio_rename "$meta~", $meta;
2437		2694
		2695	my $slaying = "?random/$md5";
		2696
		2697	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	2698	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	2699	$exit->msg (undef);
		2700	}
2440	}	2701	}
2441	}	2702	}
2442		2703
2443	sub cf::object::player::enter_exit {	2704	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	2705	my ($self, $exit) = @_;
2445		2706
2446	return unless $self->type == cf::PLAYER;	2707	return unless $self->type == cf::PLAYER;
2447		2708
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	2709	$self->enter_link;
2460		2710
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	2711	(async {
2466	$self->deactivate_recursive; # just to be sure	2712	$Coro::current->{desc} = "enter_exit";
		2713
2467	unless (eval {	2714	unless (eval {
		2715	$self->deactivate_recursive; # just to be sure
		2716
		2717	# random map handling
		2718	{
		2719	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2720
		2721	prepare_random_map $exit
		2722	if $exit->slaying eq "/!";
		2723	}
		2724
		2725	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2726	my $x = $exit->stats->hp;
		2727	my $y = $exit->stats->sp;
		2728
2468	$self->goto ($slaying, $hp, $sp);	2729	$self->goto ($map, $x, $y);
2469		2730
		2731	# if exit is damned, update players death & WoR home-position
		2732	$self->contr->savebed ($map, $x, $y)
		2733	if $exit->flag (cf::FLAG_DAMNED);
		2734
2470	1;	2735	1
2471	}) {	2736	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	2737	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	2738	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	2739	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	2740	cf::NDI_UNIQUE | cf::NDI_RED);
2476		2741
2477	warn "ERROR in enter_exit: $@";	2742	warn "ERROR in enter_exit: $@";
…		…
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	2770	the message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	2771	the message unless the client supports the msg packet.
2507		2772
2508	=cut	2773	=cut
2509		2774
		2775	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	2776	our %CHANNEL = (
2511	"c/identify" => {	2777	"c/identify" => {
2512	id => "identify",	2778	id => "infobox",
2513	title => "Identify",	2779	title => "Identify",
2514	reply => undef,	2780	reply => undef,
2515	tooltip => "Items recently identified",	2781	tooltip => "Items recently identified",
2516	},	2782	},
2517	"c/examine" => {	2783	"c/examine" => {
2518	id => "examine",	2784	id => "infobox",
2519	title => "Examine",	2785	title => "Examine",
2520	reply => undef,	2786	reply => undef,
2521	tooltip => "Signs and other items you examined",	2787	tooltip => "Signs and other items you examined",
2522	},	2788	},
		2789	"c/book" => {
		2790	id => "infobox",
		2791	title => "Book",
		2792	reply => undef,
		2793	tooltip => "The contents of a note or book",
		2794	},
		2795	"c/lookat" => {
		2796	id => "infobox",
		2797	title => "Look",
		2798	reply => undef,
		2799	tooltip => "What you saw there",
		2800	},
		2801	"c/who" => {
		2802	id => "infobox",
		2803	title => "Players",
		2804	reply => undef,
		2805	tooltip => "Shows players who are currently online",
		2806	},
		2807	"c/body" => {
		2808	id => "infobox",
		2809	title => "Body Parts",
		2810	reply => undef,
		2811	tooltip => "Shows which body parts you posess and are available",
		2812	},
		2813	"c/skills" => {
		2814	id => "infobox",
		2815	title => "Skills",
		2816	reply => undef,
		2817	tooltip => "Shows your experience per skill and item power",
		2818	},
		2819	"c/uptime" => {
		2820	id => "infobox",
		2821	title => "Uptime",
		2822	reply => undef,
		2823	tooltip => "How long the server has been running since last restart",
		2824	},
		2825	"c/mapinfo" => {
		2826	id => "infobox",
		2827	title => "Map Info",
		2828	reply => undef,
		2829	tooltip => "Information related to the maps",
		2830	},
		2831	"c/party" => {
		2832	id => "party",
		2833	title => "Party",
		2834	reply => "gsay ",
		2835	tooltip => "Messages and chat related to your party",
		2836	},
2523	);	2837	);
2524		2838
2525	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2527		2841
2528	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg)
		2843	unless $color & cf::NDI_VERBATIM;
2529		2844
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	2845	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		2846
2532	# check predefined channels, for the benefit of C	2847	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	2848	if ($CHANNEL{$channel}) {
		2849	$channel = $CHANNEL{$channel};
2534		2850
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853
		2854	$channel = $channel->{id};
		2855
2535	if (ref $channel) {	2856	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	2857	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	2858	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	2859	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel);	2860	$self->ext_msg (channel_info => $channel)
		2861	if $self->can_msg;
2540	}	2862	}
2541		2863
2542	$channel = $channel->{id};	2864	$channel = $channel->{id};
2543	}	2865	}
2544		2866
…		…
2547	if ($self->can_msg) {	2869	if ($self->can_msg) {
2548	# default colour, mask it out	2870	# default colour, mask it out
2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2871	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2550	if $color & cf::NDI_DEF;	2872	if $color & cf::NDI_DEF;
2551		2873
2552	$self->send_packet ("msg " . $self->{json_coder}->encode (	2874	my $pkt = "msg "
		2875	. $self->{json_coder}->encode (
2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2876	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2877	);
		2878
		2879	# try lzf for large packets
		2880	$pkt = "lzf " . Compress::LZF::compress $pkt
		2881	if 1024 <= length $pkt and $self->{can_lzf};
		2882
		2883	# split very large packets
		2884	if (8192 < length $pkt and $self->{can_lzf}) {
		2885	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2886	$pkt = "frag";
		2887	}
		2888
		2889	$self->send_packet ($pkt);
2554	} else {	2890	} else {
2555	if ($color >= 0) {	2891	if ($color >= 0) {
2556	# replace some tags by gcfclient-compatible ones	2892	# replace some tags by gcfclient-compatible ones
2557	for ($msg) {	2893	for ($msg) {
2558	1 while	2894	1 while
…		…
2756	=pod	3092	=pod
2757		3093
2758	The following functions and methods are available within a safe environment:	3094	The following functions and methods are available within a safe environment:
2759		3095
2760	cf::object	3096	cf::object
2761	contr pay_amount pay_player map x y force_find force_add	3097	contr pay_amount pay_player map x y force_find force_add destroy
2762	insert remove name archname title slaying race decrease_ob_nr	3098	insert remove name archname title slaying race decrease split
2763		3099
2764	cf::object::player	3100	cf::object::player
2765	player	3101	player
2766		3102
2767	cf::player	3103	cf::player
…		…
2772		3108
2773	=cut	3109	=cut
2774		3110
2775	for (	3111	for (
2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3112	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2777	insert remove inv name archname title slaying race	3113	insert remove inv nrof name archname title slaying race
2778	decrease_ob_nr)],	3114	decrease split destroy change_exp)],
2779	["cf::object::player" => qw(player)],	3115	["cf::object::player" => qw(player)],
2780	["cf::player" => qw(peaceful)],	3116	["cf::player" => qw(peaceful)],
2781	["cf::map" => qw(trigger)],	3117	["cf::map" => qw(trigger)],
2782	) {	3118	) {
2783	no strict 'refs';	3119	no strict 'refs';
…		…
2888	{	3224	{
2889	my $faces = $facedata->{faceinfo};	3225	my $faces = $facedata->{faceinfo};
2890		3226
2891	while (my ($face, $info) = each %$faces) {	3227	while (my ($face, $info) = each %$faces) {
2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3228	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3229
2893	cf::face::set_visibility $idx, $info->{visibility};	3230	cf::face::set_visibility $idx, $info->{visibility};
2894	cf::face::set_magicmap $idx, $info->{magicmap};	3231	cf::face::set_magicmap $idx, $info->{magicmap};
2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3232	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3233	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2897		3234
2898	cf::cede_to_tick;	3235	cf::cede_to_tick;
2899	}	3236	}
2900		3237
2901	while (my ($face, $info) = each %$faces) {	3238	while (my ($face, $info) = each %$faces) {
2902	next unless $info->{smooth};	3239	next unless $info->{smooth};
		3240
2903	my $idx = cf::face::find $face	3241	my $idx = cf::face::find $face
2904	or next;	3242	or next;
		3243
2905	if (my $smooth = cf::face::find $info->{smooth}) {	3244	if (my $smooth = cf::face::find $info->{smooth}) {
2906	cf::face::set_smooth $idx, $smooth;	3245	cf::face::set_smooth $idx, $smooth;
2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3246	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2908	} else {	3247	} else {
2909	warn "smooth face '$info->{smooth}' not found for face '$face'";	3248	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2927	{	3266	{
2928	# TODO: for gcfclient pleasure, we should give resources	3267	# TODO: for gcfclient pleasure, we should give resources
2929	# that gcfclient doesn't grok a >10000 face index.	3268	# that gcfclient doesn't grok a >10000 face index.
2930	my $res = $facedata->{resource};	3269	my $res = $facedata->{resource};
2931		3270
2932	my $soundconf = delete $res->{"res/sound.conf"};
2933
2934	while (my ($name, $info) = each %$res) {	3271	while (my ($name, $info) = each %$res) {
		3272	if (defined $info->{type}) {
2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3273	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2936	my $data;	3274	my $data;
2937		3275
2938	if ($info->{type} & 1) {	3276	if ($info->{type} & 1) {
2939	# prepend meta info	3277	# prepend meta info
2940		3278
2941	my $meta = $enc->encode ({	3279	my $meta = $enc->encode ({
2942	name => $name,	3280	name => $name,
2943	%{ $info->{meta} || {} },	3281	%{ $info->{meta} || {} },
2944	});	3282	});
2945		3283
2946	$data = pack "(w/a*)*", $meta, $info->{data};	3284	$data = pack "(w/a*)*", $meta, $info->{data};
		3285	} else {
		3286	$data = $info->{data};
		3287	}
		3288
		3289	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3290	cf::face::set_type $idx, $info->{type};
2947	} else {	3291	} else {
2948	$data = $info->{data};	3292	$RESOURCE{$name} = $info;
2949	}	3293	}
2950		3294
2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2952	cf::face::set_type $idx, $info->{type};
2953
2954	cf::cede_to_tick;	3295	cf::cede_to_tick;
2955	}	3296	}
2956
2957	if ($soundconf) {
2958	$soundconf = $enc->decode (delete $soundconf->{data});
2959
2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2961	my $sound = $soundconf->{compat}[$_]
2962	or next;
2963
2964	my $face = cf::face::find "sound/$sound->[1]";
2965	cf::sound::set $sound->[0] => $face;
2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2967	}
2968
2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
2970	my $face = cf::face::find "sound/$v";
2971	cf::sound::set $k => $face;
2972	}
2973	}
2974	}	3297	}
		3298
		3299	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2975		3300
2976	1	3301	1
2977	}	3302	}
		3303
		3304	cf::global->attach (on_resource_update => sub {
		3305	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3306	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3307
		3308	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3309	my $sound = $soundconf->{compat}[$_]
		3310	or next;
		3311
		3312	my $face = cf::face::find "sound/$sound->[1]";
		3313	cf::sound::set $sound->[0] => $face;
		3314	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3315	}
		3316
		3317	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3318	my $face = cf::face::find "sound/$v";
		3319	cf::sound::set $k => $face;
		3320	}
		3321	}
		3322	});
2978		3323
2979	register_exticmd fx_want => sub {	3324	register_exticmd fx_want => sub {
2980	my ($ns, $want) = @_;	3325	my ($ns, $want) = @_;
2981		3326
2982	while (my ($k, $v) = each %$want) {	3327	while (my ($k, $v) = each %$want) {
2983	$ns->fx_want ($k, $v);	3328	$ns->fx_want ($k, $v);
2984	}	3329	}
2985	};	3330	};
		3331
		3332	sub load_resource_file($) {
		3333	my $guard = lock_acquire "load_resource_file";
		3334
		3335	my $status = load_resource_file_ $_[0];
		3336	get_slot 0.1, 100;
		3337	cf::arch::commit_load;
		3338
		3339	$status
		3340	}
2986		3341
2987	sub reload_regions {	3342	sub reload_regions {
2988	# HACK to clear player env face cache, we need some signal framework	3343	# HACK to clear player env face cache, we need some signal framework
2989	# for this (global event?)	3344	# for this (global event?)
2990	%ext::player_env::MUSIC_FACE_CACHE = ();	3345	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3004	}	3359	}
3005		3360
3006	sub reload_archetypes {	3361	sub reload_archetypes {
3007	load_resource_file "$DATADIR/archetypes"	3362	load_resource_file "$DATADIR/archetypes"
3008	or die "unable to load archetypes\n";	3363	or die "unable to load archetypes\n";
3009	#d# NEED to laod twice to resolve forward references
3010	# this really needs to be done in an extra post-pass
3011	# (which needs to be synchronous, so solve it differently)
3012	load_resource_file "$DATADIR/archetypes"
3013	or die "unable to load archetypes\n";
3014	}	3364	}
3015		3365
3016	sub reload_treasures {	3366	sub reload_treasures {
3017	load_resource_file "$DATADIR/treasures"	3367	load_resource_file "$DATADIR/treasures"
3018	or die "unable to load treasurelists\n";	3368	or die "unable to load treasurelists\n";
3019	}	3369	}
3020		3370
3021	sub reload_resources {	3371	sub reload_resources {
3022	warn "reloading resource files...\n";	3372	warn "reloading resource files...\n";
3023		3373
		3374	reload_facedata;
		3375	reload_archetypes;
3024	reload_regions;	3376	reload_regions;
3025	reload_facedata;
3026	#reload_archetypes;#d#
3027	reload_archetypes;
3028	reload_treasures;	3377	reload_treasures;
3029		3378
3030	warn "finished reloading resource files\n";	3379	warn "finished reloading resource files\n";
3031	}
3032
3033	sub init {
3034	reload_resources;
3035	}	3380	}
3036		3381
3037	sub reload_config {	3382	sub reload_config {
3038	open my $fh, "<:utf8", "$CONFDIR/config"	3383	open my $fh, "<:utf8", "$CONFDIR/config"
3039	or return;	3384	or return;
3040		3385
3041	local $/;	3386	local $/;
3042	*CFG = YAML::Syck::Load <$fh>;	3387	*CFG = YAML::Load <$fh>;
3043		3388
3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3389	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3045		3390
3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3391	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3392	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3053	};	3398	};
3054	warn $@ if $@;	3399	warn $@ if $@;
3055	}	3400	}
3056	}	3401	}
3057		3402
		3403	sub pidfile() {
		3404	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3405	or die "$PIDFILE: $!";
		3406	flock $fh, &Fcntl::LOCK_EX
		3407	or die "$PIDFILE: flock: $!";
		3408	$fh
		3409	}
		3410
		3411	# make sure only one server instance is running at any one time
		3412	sub atomic {
		3413	my $fh = pidfile;
		3414
		3415	my $pid = <$fh>;
		3416	kill 9, $pid if $pid > 0;
		3417
		3418	seek $fh, 0, 0;
		3419	print $fh $$;
		3420	}
		3421
3058	sub main {	3422	sub main {
		3423	cf::init_globals; # initialise logging
		3424
		3425	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3426	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3427	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3428	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3429
		3430	cf::init_experience;
		3431	cf::init_anim;
		3432	cf::init_attackmess;
		3433	cf::init_dynamic;
		3434	cf::init_block;
		3435
		3436	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3437
3059	# we must not ever block the main coroutine	3438	# we must not ever block the main coroutine
3060	local $Coro::idle = sub {	3439	local $Coro::idle = sub {
3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3440	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3062	(async {	3441	(async {
3063	Event::one_event;	3442	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3443	EV::loop EV::LOOP_ONESHOT;
3064	})->prio (Coro::PRIO_MAX);	3444	})->prio (Coro::PRIO_MAX);
3065	};	3445	};
3066		3446
		3447	evthread_start IO::AIO::poll_fileno;
		3448
		3449	cf::sync_job {
		3450	reload_resources;
3067	reload_config;	3451	reload_config;
3068	db_init;	3452	db_init;
		3453
		3454	cf::load_settings;
		3455	cf::load_materials;
		3456	cf::init_uuid;
		3457	cf::init_signals;
		3458	cf::init_commands;
		3459	cf::init_skills;
		3460
		3461	cf::init_beforeplay;
		3462
		3463	atomic;
		3464
3069	load_extensions;	3465	load_extensions;
3070		3466
3071	$TICK_WATCHER->start;	3467	utime time, time, $RUNTIMEFILE;
		3468
		3469	# no (long-running) fork's whatsoever before this point(!)
		3470	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3471
		3472	(pop @POST_INIT)->(0) while @POST_INIT;
		3473	};
		3474
3072	Event::loop;	3475	EV::loop;
3073	}	3476	}
3074		3477
3075	#############################################################################	3478	#############################################################################
3076	# initialisation and cleanup	3479	# initialisation and cleanup
3077		3480
3078	# install some emergency cleanup handlers	3481	# install some emergency cleanup handlers
3079	BEGIN {	3482	BEGIN {
		3483	our %SIGWATCHER = ();
3080	for my $signal (qw(INT HUP TERM)) {	3484	for my $signal (qw(INT HUP TERM)) {
3081	Event->signal (	3485	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3082	reentrant => 0,
3083	data => WF_AUTOCANCEL,
3084	signal => $signal,
3085	prio => 0,
3086	cb => sub {
3087	cf::cleanup "SIG$signal";	3486	cf::cleanup "SIG$signal";
3088	},
3089	);	3487	};
3090	}	3488	}
3091	}	3489	}
3092		3490
3093	sub write_runtime {	3491	sub write_runtime_sync {
3094	my $runtime = "$LOCALDIR/runtime";
3095
3096	# first touch the runtime file to show we are still running:	3492	# first touch the runtime file to show we are still running:
3097	# the fsync below can take a very very long time.	3493	# the fsync below can take a very very long time.
3098		3494
3099	IO::AIO::aio_utime $runtime, undef, undef;	3495	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3100		3496
3101	my $guard = cf::lock_acquire "write_runtime";	3497	my $guard = cf::lock_acquire "write_runtime";
3102		3498
3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3499	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3104	or return;	3500	or return;
3105		3501
3106	my $value = $cf::RUNTIME + 90 + 10;	3502	my $value = $cf::RUNTIME + 90 + 10;
3107	# 10 is the runtime save interval, for a monotonic clock	3503	# 10 is the runtime save interval, for a monotonic clock
3108	# 60 allows for the watchdog to kill the server.	3504	# 60 allows for the watchdog to kill the server.
…		…
3118	aio_utime $fh, undef, undef;	3514	aio_utime $fh, undef, undef;
3119		3515
3120	close $fh	3516	close $fh
3121	or return;	3517	or return;
3122		3518
3123	aio_rename "$runtime~", $runtime	3519	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3124	and return;	3520	and return;
3125		3521
3126	warn "runtime file written.\n";	3522	warn "runtime file written.\n";
3127		3523
3128	1	3524	1
		3525	}
		3526
		3527	our $uuid_lock;
		3528	our $uuid_skip;
		3529
		3530	sub write_uuid_sync($) {
		3531	$uuid_skip ||= $_[0];
		3532
		3533	return if $uuid_lock;
		3534	local $uuid_lock = 1;
		3535
		3536	my $uuid = "$LOCALDIR/uuid";
		3537
		3538	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3539	or return;
		3540
		3541	my $value = uuid_seq uuid_cur;
		3542
		3543	unless ($value) {
		3544	warn "cowardly refusing to write zero uuid value!\n";
		3545	return;
		3546	}
		3547
		3548	my $value = uuid_str $value + $uuid_skip;
		3549	$uuid_skip = 0;
		3550
		3551	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3552	and return;
		3553
		3554	# always fsync - this file is important
		3555	aio_fsync $fh
		3556	and return;
		3557
		3558	close $fh
		3559	or return;
		3560
		3561	aio_rename "$uuid~", $uuid
		3562	and return;
		3563
		3564	warn "uuid file written ($value).\n";
		3565
		3566	1
		3567
		3568	}
		3569
		3570	sub write_uuid($$) {
		3571	my ($skip, $sync) = @_;
		3572
		3573	$sync ? write_uuid_sync $skip
		3574	: async { write_uuid_sync $skip };
3129	}	3575	}
3130		3576
3131	sub emergency_save() {	3577	sub emergency_save() {
3132	my $freeze_guard = cf::freeze_mainloop;	3578	my $freeze_guard = cf::freeze_mainloop;
3133		3579
3134	warn "enter emergency perl save\n";	3580	warn "emergency_perl_save: enter\n";
3135		3581
3136	cf::sync_job {	3582	cf::sync_job {
		3583	# this is a trade-off: we want to be very quick here, so
		3584	# save all maps without fsync, and later call a global sync
		3585	# (which in turn might be very very slow)
		3586	local $USE_FSYNC = 0;
		3587
3137	# use a peculiar iteration method to avoid tripping on perl	3588	# use a peculiar iteration method to avoid tripping on perl
3138	# refcount bugs in for. also avoids problems with players	3589	# refcount bugs in for. also avoids problems with players
3139	# and maps saved/destroyed asynchronously.	3590	# and maps saved/destroyed asynchronously.
3140	warn "begin emergency player save\n";	3591	warn "emergency_perl_save: begin player save\n";
3141	for my $login (keys %cf::PLAYER) {	3592	for my $login (keys %cf::PLAYER) {
3142	my $pl = $cf::PLAYER{$login} or next;	3593	my $pl = $cf::PLAYER{$login} or next;
3143	$pl->valid or next;	3594	$pl->valid or next;
		3595	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3144	$pl->save;	3596	$pl->save;
3145	}	3597	}
3146	warn "end emergency player save\n";	3598	warn "emergency_perl_save: end player save\n";
3147		3599
3148	warn "begin emergency map save\n";	3600	warn "emergency_perl_save: begin map save\n";
3149	for my $path (keys %cf::MAP) {	3601	for my $path (keys %cf::MAP) {
3150	my $map = $cf::MAP{$path} or next;	3602	my $map = $cf::MAP{$path} or next;
3151	$map->valid or next;	3603	$map->valid or next;
3152	$map->save;	3604	$map->save;
3153	}	3605	}
3154	warn "end emergency map save\n";	3606	warn "emergency_perl_save: end map save\n";
3155		3607
3156	warn "begin emergency database checkpoint\n";	3608	warn "emergency_perl_save: begin database checkpoint\n";
3157	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3158	warn "end emergency database checkpoint\n";	3610	warn "emergency_perl_save: end database checkpoint\n";
		3611
		3612	warn "emergency_perl_save: begin write uuid\n";
		3613	write_uuid_sync 1;
		3614	warn "emergency_perl_save: end write uuid\n";
3159	};	3615	};
3160		3616
		3617	warn "emergency_perl_save: starting sync()\n";
		3618	IO::AIO::aio_sync sub {
		3619	warn "emergency_perl_save: finished sync()\n";
		3620	};
		3621
3161	warn "leave emergency perl save\n";	3622	warn "emergency_perl_save: leave\n";
3162	}	3623	}
3163		3624
3164	sub post_cleanup {	3625	sub post_cleanup {
3165	my ($make_core) = @_;	3626	my ($make_core) = @_;
3166		3627
3167	warn Carp::longmess "post_cleanup backtrace"	3628	warn Carp::longmess "post_cleanup backtrace"
3168	if $make_core;	3629	if $make_core;
		3630
		3631	my $fh = pidfile;
		3632	unlink $PIDFILE if <$fh> == $$;
		3633	}
		3634
		3635	# a safer delete_package, copied from Symbol
		3636	sub clear_package($) {
		3637	my $pkg = shift;
		3638
		3639	# expand to full symbol table name if needed
		3640	unless ($pkg =~ /^main::.*::$/) {
		3641	$pkg = "main$pkg" if $pkg =~ /^::/;
		3642	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3643	$pkg .= '::' unless $pkg =~ /::$/;
		3644	}
		3645
		3646	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3647	my $stem_symtab = *{$stem}{HASH};
		3648
		3649	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3650	or return;
		3651
		3652	# clear all symbols
		3653	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3654	for my $name (keys %$leaf_symtab) {
		3655	_gv_clear *{"$pkg$name"};
		3656	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3657	}
		3658	warn "cleared package $pkg\n";#d#
3169	}	3659	}
3170		3660
3171	sub do_reload_perl() {	3661	sub do_reload_perl() {
3172	# can/must only be called in main	3662	# can/must only be called in main
3173	if ($Coro::current != $Coro::main) {	3663	if ($Coro::current != $Coro::main) {
3174	warn "can only reload from main coroutine";	3664	warn "can only reload from main coroutine";
3175	return;	3665	return;
3176	}	3666	}
3177		3667
		3668	return if $RELOAD++;
		3669
		3670	my $t1 = EV::time;
		3671
		3672	while ($RELOAD) {
3178	warn "reloading...";	3673	warn "reloading...";
3179		3674
3180	warn "entering sync_job";	3675	warn "entering sync_job";
3181		3676
3182	cf::sync_job {	3677	cf::sync_job {
3183	cf::write_runtime; # external watchdog should not bark	3678	cf::write_runtime_sync; # external watchdog should not bark
3184	cf::emergency_save;	3679	cf::emergency_save;
3185	cf::write_runtime; # external watchdog should not bark	3680	cf::write_runtime_sync; # external watchdog should not bark
3186		3681
3187	warn "syncing database to disk";	3682	warn "syncing database to disk";
3188	BDB::db_env_txn_checkpoint $DB_ENV;	3683	BDB::db_env_txn_checkpoint $DB_ENV;
3189		3684
3190	# if anything goes wrong in here, we should simply crash as we already saved	3685	# if anything goes wrong in here, we should simply crash as we already saved
3191		3686
3192	warn "cancelling all WF_AUTOCANCEL watchers";
3193	for (Event::all_watchers) {
3194	$_->cancel if $_->data & WF_AUTOCANCEL;
3195	}
3196
3197	warn "flushing outstanding aio requests";	3687	warn "flushing outstanding aio requests";
3198	for (;;) {
3199	BDB::flush;
3200	IO::AIO::flush;
3201	Coro::cede;
3202	last unless IO::AIO::nreqs || BDB::nreqs;	3688	while (IO::AIO::nreqs || BDB::nreqs) {
3203	warn "iterate...";	3689	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3204	}
3205
3206	++$RELOAD;
3207
3208	warn "cancelling all extension coros";
3209	$_->cancel for values %EXT_CORO;
3210	%EXT_CORO = ();
3211
3212	warn "removing commands";
3213	%COMMAND = ();
3214
3215	warn "removing ext/exti commands";
3216	%EXTCMD = ();
3217	%EXTICMD = ();
3218
3219	warn "unloading/nuking all extensions";
3220	for my $pkg (@EXTS) {
3221	warn "... unloading $pkg";
3222
3223	if (my $cb = $pkg->can ("unload")) {
3224	eval {
3225	$cb->($pkg);
3226	1
3227	} or warn "$pkg unloaded, but with errors: $@";
3228	}	3690	}
3229		3691
3230	warn "... nuking $pkg";	3692	warn "cancelling all extension coros";
3231	Symbol::delete_package $pkg;	3693	$_->cancel for values %EXT_CORO;
3232	}	3694	%EXT_CORO = ();
3233		3695
3234	warn "unloading all perl modules loaded from $LIBDIR";	3696	warn "removing commands";
3235	while (my ($k, $v) = each %INC) {	3697	%COMMAND = ();
3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3237		3698
		3699	warn "removing ext/exti commands";
		3700	%EXTCMD = ();
		3701	%EXTICMD = ();
		3702
		3703	warn "unloading/nuking all extensions";
		3704	for my $pkg (@EXTS) {
3238	warn "... unloading $k";	3705	warn "... unloading $pkg";
3239	delete $INC{$k};
3240		3706
3241	$k =~ s/\.pm$//;
3242	$k =~ s/\//::/g;
3243
3244	if (my $cb = $k->can ("unload_module")) {	3707	if (my $cb = $pkg->can ("unload")) {
		3708	eval {
3245	$cb->();	3709	$cb->($pkg);
		3710	1
		3711	} or warn "$pkg unloaded, but with errors: $@";
		3712	}
		3713
		3714	warn "... clearing $pkg";
		3715	clear_package $pkg;
3246	}	3716	}
3247		3717
3248	Symbol::delete_package $k;	3718	warn "unloading all perl modules loaded from $LIBDIR";
		3719	while (my ($k, $v) = each %INC) {
		3720	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3721
		3722	warn "... unloading $k";
		3723	delete $INC{$k};
		3724
		3725	$k =~ s/\.pm$//;
		3726	$k =~ s/\//::/g;
		3727
		3728	if (my $cb = $k->can ("unload_module")) {
		3729	$cb->();
		3730	}
		3731
		3732	clear_package $k;
3249	}	3733	}
3250		3734
3251	warn "getting rid of safe::, as good as possible";	3735	warn "getting rid of safe::, as good as possible";
3252	Symbol::delete_package "safe::$_"	3736	clear_package "safe::$_"
3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3737	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3254		3738
3255	warn "unloading cf.pm \"a bit\"";	3739	warn "unloading cf.pm \"a bit\"";
3256	delete $INC{"cf.pm"};	3740	delete $INC{"cf.pm"};
3257	delete $INC{"cf/pod.pm"};	3741	delete $INC{"cf/pod.pm"};
3258		3742
3259	# don't, removes xs symbols, too,	3743	# don't, removes xs symbols, too,
3260	# and global variables created in xs	3744	# and global variables created in xs
3261	#Symbol::delete_package __PACKAGE__;	3745	#clear_package __PACKAGE__;
3262		3746
3263	warn "unload completed, starting to reload now";	3747	warn "unload completed, starting to reload now";
3264		3748
3265	warn "reloading cf.pm";	3749	warn "reloading cf.pm";
3266	require cf;	3750	require cf;
3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3751	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3268		3752
3269	warn "loading config and database again";	3753	warn "loading config and database again";
3270	cf::reload_config;	3754	cf::reload_config;
3271		3755
3272	warn "loading extensions";	3756	warn "loading extensions";
3273	cf::load_extensions;	3757	cf::load_extensions;
3274		3758
		3759	if ($REATTACH_ON_RELOAD) {
3275	warn "reattaching attachments to objects/players";	3760	warn "reattaching attachments to objects/players";
3276	_global_reattach; # objects, sockets	3761	_global_reattach; # objects, sockets
3277	warn "reattaching attachments to maps";	3762	warn "reattaching attachments to maps";
3278	reattach $_ for values %MAP;	3763	reattach $_ for values %MAP;
3279	warn "reattaching attachments to players";	3764	warn "reattaching attachments to players";
3280	reattach $_ for values %PLAYER;	3765	reattach $_ for values %PLAYER;
		3766	}
3281		3767
		3768	warn "running post_init jobs";
		3769	(pop @POST_INIT)->(1) while @POST_INIT;
		3770
3282	warn "leaving sync_job";	3771	warn "leaving sync_job";
3283		3772
3284	1	3773	1
3285	} or do {	3774	} or do {
3286	warn $@;	3775	warn $@;
3287	warn "error while reloading, exiting.";	3776	cf::cleanup "error while reloading, exiting.";
3288	exit 1;
3289	};	3777	};
3290		3778
3291	warn "reloaded";	3779	warn "reloaded";
		3780	--$RELOAD;
		3781	}
		3782
		3783	$t1 = EV::time - $t1;
		3784	warn "reload completed in ${t1}s\n";
3292	};	3785	};
3293		3786
3294	our $RELOAD_WATCHER; # used only during reload	3787	our $RELOAD_WATCHER; # used only during reload
3295		3788
3296	sub reload_perl() {	3789	sub reload_perl() {
3297	# doing reload synchronously and two reloads happen back-to-back,	3790	# doing reload synchronously and two reloads happen back-to-back,
3298	# coro crashes during coro_state_free->destroy here.	3791	# coro crashes during coro_state_free->destroy here.
3299		3792
3300	$RELOAD_WATCHER ||= Event->timer (	3793	$RELOAD_WATCHER ||= cf::async {
3301	reentrant => 0,	3794	Coro::AIO::aio_wait cache_extensions;
3302	after => 0,	3795
3303	data => WF_AUTOCANCEL,	3796	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3304	cb => sub {
3305	do_reload_perl;	3797	do_reload_perl;
3306	undef $RELOAD_WATCHER;	3798	undef $RELOAD_WATCHER;
3307	},	3799	};
3308	);	3800	};
3309	}	3801	}
3310		3802
3311	register_command "reload" => sub {	3803	register_command "reload" => sub {
3312	my ($who, $arg) = @_;	3804	my ($who, $arg) = @_;
3313		3805
3314	if ($who->flag (FLAG_WIZ)) {	3806	if ($who->flag (FLAG_WIZ)) {
3315	$who->message ("reloading server.");	3807	$who->message ("reloading server.");
		3808	async {
		3809	$Coro::current->{desc} = "perl_reload";
3316	async { reload_perl };	3810	reload_perl;
		3811	};
3317	}	3812	}
3318	};	3813	};
3319		3814
3320	unshift @INC, $LIBDIR;	3815	unshift @INC, $LIBDIR;
3321		3816
…		…
3323		3818
3324	our @WAIT_FOR_TICK;	3819	our @WAIT_FOR_TICK;
3325	our @WAIT_FOR_TICK_BEGIN;	3820	our @WAIT_FOR_TICK_BEGIN;
3326		3821
3327	sub wait_for_tick {	3822	sub wait_for_tick {
3328	return unless $TICK_WATCHER->is_active;
3329	return if $Coro::current == $Coro::main;	3823	return if tick_inhibit || $Coro::current == $Coro::main;
3330		3824
3331	my $signal = new Coro::Signal;	3825	my $signal = new Coro::Signal;
3332	push @WAIT_FOR_TICK, $signal;	3826	push @WAIT_FOR_TICK, $signal;
3333	$signal->wait;	3827	$signal->wait;
3334	}	3828	}
3335		3829
3336	sub wait_for_tick_begin {	3830	sub wait_for_tick_begin {
3337	return unless $TICK_WATCHER->is_active;
3338	return if $Coro::current == $Coro::main;	3831	return if tick_inhibit || $Coro::current == $Coro::main;
3339		3832
3340	my $signal = new Coro::Signal;	3833	my $signal = new Coro::Signal;
3341	push @WAIT_FOR_TICK_BEGIN, $signal;	3834	push @WAIT_FOR_TICK_BEGIN, $signal;
3342	$signal->wait;	3835	$signal->wait;
3343	}	3836	}
3344		3837
3345	my $min = 1e6;#d#	3838	sub tick {
3346	my $avg = 10;
3347	$TICK_WATCHER = Event->timer (
3348	reentrant => 0,
3349	parked => 1,
3350	prio => 0,
3351	at => $NEXT_TICK || $TICK,
3352	data => WF_AUTOCANCEL,
3353	cb => sub {
3354	if ($Coro::current != $Coro::main) {	3839	if ($Coro::current != $Coro::main) {
3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3840	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3356	unless ++$bug_warning > 10;	3841	unless ++$bug_warning > 10;
3357	return;	3842	return;
3358	}	3843	}
3359		3844
3360	$NOW = $tick_start = Event::time;
3361
3362	cf::server_tick; # one server iteration	3845	cf::server_tick; # one server iteration
3363		3846
3364	0 && sync_job {#d#	3847	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3365	for(1..10) {	3848	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3366	my $t = Event::time;	3849	Coro::async_pool {
3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3850	$Coro::current->{desc} = "runtime saver";
3368	or die;	3851	write_runtime_sync
3369		3852	or warn "ERROR: unable to write runtime file: $!";
3370	$map->width (50);
3371	$map->height (50);
3372	$map->alloc;
3373	$map->_load_objects ("/tmp/x.map", 1);
3374	my $t = Event::time - $t;
3375
3376	#next unless $t < 0.0013;#d#
3377	if ($t < $min) {
3378	$min = $t;
3379	}
3380	$avg = $avg * 0.99 + $t * 0.01;
3381	}
3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3383	exit 0;
3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3385	};	3853	};
		3854	}
3386		3855
3387	$RUNTIME += $TICK;
3388	$NEXT_TICK += $TICK;
3389
3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
3392	Coro::async_pool {
3393	write_runtime
3394	or warn "ERROR: unable to write runtime file: $!";
3395	};
3396	}
3397
3398	# my $AFTER = Event::time;
3399	# warn $AFTER - $NOW;#d#
3400
3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3402	$sig->send;	3857	$sig->send;
3403	}	3858	}
3404	while (my $sig = shift @WAIT_FOR_TICK) {	3859	while (my $sig = shift @WAIT_FOR_TICK) {
3405	$sig->send;	3860	$sig->send;
3406	}	3861	}
3407		3862
3408	$NOW = Event::time;	3863	$LOAD = ($NOW - $TICK_START) / $TICK;
3409
3410	# if we are delayed by four ticks or more, skip them all
3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3412
3413	$TICK_WATCHER->at ($NEXT_TICK);
3414	$TICK_WATCHER->start;
3415
3416	$LOAD = ($NOW - $tick_start) / $TICK;
3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3864	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3418		3865
3419	_post_tick;	3866	if (0) {
3420		3867	if ($NEXT_TICK) {
3421		3868	my $jitter = $TICK_START - $NEXT_TICK;
		3869	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3870	warn "jitter $JITTER\n";#d#
		3871	}
3422	},	3872	}
3423	);	3873	}
3424		3874
3425	{	3875	{
3426	BDB::max_poll_time $TICK * 0.1;	3876	# configure BDB
3427	$BDB_POLL_WATCHER = Event->io (	3877
3428	reentrant => 0,
3429	fd => BDB::poll_fileno,
3430	poll => 'r',
3431	prio => 0,
3432	data => WF_AUTOCANCEL,
3433	cb => \&BDB::poll_cb,
3434	);
3435	BDB::min_parallel 8;	3878	BDB::min_parallel 8;
3436		3879	BDB::max_poll_reqs $TICK * 0.1;
3437	BDB::set_sync_prepare {	3880	$AnyEvent::BDB::WATCHER->priority (1);
3438	my $status;
3439	my $current = $Coro::current;
3440	(
3441	sub {
3442	$status = $!;
3443	$current->ready; undef $current;
3444	},
3445	sub {
3446	Coro::schedule while defined $current;
3447	$! = $status;
3448	},
3449	)
3450	};
3451		3881
3452	unless ($DB_ENV) {	3882	unless ($DB_ENV) {
3453	$DB_ENV = BDB::db_env_create;	3883	$DB_ENV = BDB::db_env_create;
		3884	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3885	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3886	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3887	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3888	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3454		3889
3455	cf::sync_job {	3890	cf::sync_job {
3456	eval {	3891	eval {
3457	BDB::db_env_open	3892	BDB::db_env_open
3458	$DB_ENV,	3893	$DB_ENV,
…		…
3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3895	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3896	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3462	0666;	3897	0666;
3463		3898
3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3899	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3465
3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3467	$DB_ENV->set_lk_detect;
3468	};	3900	};
3469		3901
3470	cf::cleanup "db_env_open(db): $@" if $@;	3902	cf::cleanup "db_env_open(db): $@" if $@;
3471	};	3903	};
3472	}	3904	}
		3905
		3906	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3907	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3908	};
		3909	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3910	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3911	};
		3912	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3913	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3914	};
3473	}	3915	}
3474		3916
3475	{	3917	{
		3918	# configure IO::AIO
		3919
3476	IO::AIO::min_parallel 8;	3920	IO::AIO::min_parallel 8;
3477
3478	undef $Coro::AIO::WATCHER;
3479	IO::AIO::max_poll_time $TICK * 0.1;	3921	IO::AIO::max_poll_time $TICK * 0.1;
3480	$AIO_POLL_WATCHER = Event->io (	3922	undef $AnyEvent::AIO::WATCHER;
3481	reentrant => 0,
3482	data => WF_AUTOCANCEL,
3483	fd => IO::AIO::poll_fileno,
3484	poll => 'r',
3485	prio => 6,
3486	cb => \&IO::AIO::poll_cb,
3487	);
3488	}	3923	}
3489		3924
3490	my $_log_backtrace;	3925	my $_log_backtrace;
3491		3926
3492	sub _log_backtrace {	3927	sub _log_backtrace {
…		…
3495	$msg =~ s/\n//;	3930	$msg =~ s/\n//;
3496		3931
3497	# limit the # of concurrent backtraces	3932	# limit the # of concurrent backtraces
3498	if ($_log_backtrace < 2) {	3933	if ($_log_backtrace < 2) {
3499	++$_log_backtrace;	3934	++$_log_backtrace;
		3935	my $perl_bt = Carp::longmess $msg;
3500	async {	3936	async {
		3937	$Coro::current->{desc} = "abt $msg";
		3938
3501	my @bt = fork_call {	3939	my @bt = fork_call {
3502	@addr = map { sprintf "%x", $_ } @addr;	3940	@addr = map { sprintf "%x", $_ } @addr;
3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3941	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3942	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3505	or die "addr2line: $!";	3943	or die "addr2line: $!";
…		…
3513	}	3951	}
3514		3952
3515	@funcs	3953	@funcs
3516	};	3954	};
3517		3955
3518	LOG llevInfo, "[ABT] $msg\n";	3956	LOG llevInfo, "[ABT] $perl_bt\n";
		3957	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3519	LOG llevInfo, "[ABT] $_\n" for @bt;	3958	LOG llevInfo, "[ABT] $_\n" for @bt;
3520	--$_log_backtrace;	3959	--$_log_backtrace;
3521	};	3960	};
3522	} else {	3961	} else {
3523	LOG llevInfo, "[ABT] $msg\n";	3962	LOG llevInfo, "[ABT] $msg\n";

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