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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.313 by root, Sun Jul 22 14:17:58 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
14		35
15	use Coro 3.61 ();	36	use Coro ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::AnyEvent;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
22	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
23	use Coro::Storable;	46	use Coro::Storable;
		47	use Coro::Util ();
24		48
25	use JSON::XS 1.4 ();	49	use JSON::XS 2.01 ();
26	use BDB ();	50	use BDB ();
27	use Data::Dumper;	51	use Data::Dumper;
28	use Digest::MD5;	52	use Digest::MD5;
29	use Fcntl;	53	use Fcntl;
30	use YAML::Syck ();	54	use YAML ();
31	use IO::AIO 2.32 ();	55	use IO::AIO ();
32	use Time::HiRes;	56	use Time::HiRes;
33	use Compress::LZF;	57	use Compress::LZF;
34	use Digest::MD5 ();	58	use Digest::MD5 ();
		59
		60	AnyEvent::detect;
35		61
36	# configure various modules to our taste	62	# configure various modules to our taste
37	#	63	#
38	$Storable::canonical = 1; # reduce rsync transfers	64	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41
42	$Event::Eval = 1; # no idea why this is required, but it is
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46		67
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		69
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		71
…		…
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	93	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
74		96
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	99	our $NEXT_TICK;
80	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_POLL_WATCHER;	104	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	105	our $DB_ENV;
85		106
86	our %CFG;	107	our %CFG;
87		108
88	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
90		112
91	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
92	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
94		116
95	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		119
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	123	our $TICK_START; # for load detecting purposes
101		124
102	binmode STDOUT;	125	binmode STDOUT;
103	binmode STDERR;	126	binmode STDERR;
104		127
105	# read virtual server time, if available	128	# read virtual server time, if available
…		…
158		181
159	The raw value load value from the last tick.	182	The raw value load value from the last tick.
160		183
161	=item %cf::CFG	184	=item %cf::CFG
162		185
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	187	from wherever your confdir points to.
165		188
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		190
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
186	$msg .= "\n"	209	$msg .= "\n"
187	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
188		211
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		213
191	utf8::encode $msg;
192	LOG llevError, $msg;	214	LOG llevError, $msg;
193	};	215	};
194	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
195		232
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	243	for my $pkg (qw(
207	cf::global cf::attachable	244	cf::global cf::attachable
208	cf::object cf::object::player	245	cf::object cf::object::player
209	cf::client cf::player	246	cf::client cf::player
210	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
211	cf::map cf::party cf::region	249	cf::party cf::region
212	)) {	250	)) {
213	no strict 'refs';	251	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	253	}
216		254
217	$Event::DIED = sub {	255	$EV::DIED = sub {
218	warn "error in event callback: @_";	256	warn "error in event callback: @_";
219	};	257	};
220		258
221	#############################################################################	259	#############################################################################
222		260
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	284	$d
247	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
248	}	286	}
249		287
250	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
251		289
252	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
253		291
254	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
255		293
256	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
257		295
258	=cut	296	=cut
259		297
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		299
262	sub to_json ($) { $json_coder->encode ($_[0]) }	300	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	301	sub decode_json($) { $json_coder->decode ($_[0]) }
264		302
265	=item cf::lock_wait $string	303	=item cf::lock_wait $string
266		304
267	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
268		306
…		…
271	Wait until the given lock is available and then acquires it and returns	309	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	310	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
274	returned.	312	returned.
275		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
276	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
278		319
279	=item $locked = cf::lock_active $string	320	=item $locked = cf::lock_active $string
280		321
281	Return true if the lock is currently active, i.e. somebody has locked it.	322	Return true if the lock is currently active, i.e. somebody has locked it.
282		323
283	=cut	324	=cut
284		325
285	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
286		328
287	sub lock_wait($) {	329	sub lock_wait($) {
288	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
289		336
290	# wait for lock, if any	337	# wait for lock, if any
291	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;	340	Coro::schedule;
…		…
299		346
300	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
301	lock_wait $key;	348	lock_wait $key;
302		349
303	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
304		352
305	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
306	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
308	}	357	}
309	}	358	}
310		359
…		…
313		362
314	! ! $LOCK{$key}	363	! ! $LOCK{$key}
315	}	364	}
316		365
317	sub freeze_mainloop {	366	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
319		368
320	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
321	$TICK_WATCHER->start;	370	}
		371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
322	};	430	}
323	$TICK_WATCHER->stop;	431	};
324	$guard	432
		433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
325	}	445	}
326		446
327	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
328		448
329	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		454
335	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
336		456
337	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
338		458
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	459	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	460	is always able to handle events or runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	462	acceptable.
343		463
344	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
…		…
350		470
351	sub sync_job(&) {	471	sub sync_job(&) {
352	my ($job) = @_;	472	my ($job) = @_;
353		473
354	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
355	my $time = Event::time;	475	my $time = EV::time;
356		476
357	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
359		479
360	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	481
362	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
363		483
364	my $busy = 1;	484	my $busy = 1;
365	my @res;	485	my @res;
366		486
367	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	489	@res = eval { $job->() };
369	warn $@ if $@;	490	warn $@ if $@;
370	undef $busy;	491	undef $busy;
371	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
372		493
373	while ($busy) {	494	while ($busy) {
374	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
375	}	499	}
		500	}
376		501
377	$time = Event::time - $time;	502	my $time = EV::time - $time;
378		503
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	504	$TICK_START += $time; # do not account sync jobs to server load
383		505
384	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
385	} else {	507	} else {
386	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
387		509
…		…
412	=item fork_call { }, $args	534	=item fork_call { }, $args
413		535
414	Executes the given code block with the given arguments in a seperate	536	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	537	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	538	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	539	never block itself or use any form of event handling.
418		540
419	=cut	541	=cut
420
421	sub _store_scalar {
422	open my $fh, ">", \my $buf
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}
429		542
430	sub fork_call(&@) {	543	sub fork_call(&@) {
431	my ($cb, @args) = @_;	544	my ($cb, @args) = @_;
432		545
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	546	# we seemingly have to make a local copy of the whole thing,
434	# or die "socketpair: $!";	547	# otherwise perl prematurely frees the stuff :/
435	pipe my $fh1, my $fh2	548	# TODO: investigate and fix (likely this will be rather laborious)
436	or die "pipe: $!";
437		549
438	if (my $pid = fork) {	550	my @res = Coro::Util::fork_eval {
439	close $fh2;
440
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;	551	reset_signals;
452	local $SIG{__WARN__};	552	&$cb
453	local $SIG{__DIE__};	553	}, @args;
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459		554
460	eval {	555	wantarray ? @res : $res[-1]
461	close $fh1;	556	}
462		557
463	my @res = eval { $cb->(@args) };	558	=item $coin = coin_from_name $name
464		559
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	560	=cut
466	close $fh2;
467	};
468		561
469	warn $@ if $@;	562	our %coin_alias = (
470	_exit 0;	563	"silver" => "silvercoin",
471	}	564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
472	}	583	}
473		584
474	=item $value = cf::db_get $family => $key	585	=item $value = cf::db_get $family => $key
475		586
476	Returns a single value from the environment database.	587	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	589	=item cf::db_put $family => $key => $value
479		590
480	Stores the given C<$value> in the family. It can currently store binary	591	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
483	=cut	599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
484		617
485	our $DB;	618	our $DB;
486		619
487	sub db_init {	620	sub db_init {
488	unless ($DB) {
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {	621	cf::sync_job {
492	eval {	622	$DB ||= db_table "db";
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}	623	};
502	}	624	}
503		625
504	sub db_get($$) {	626	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	627	my $key = "$_[0]/$_[1]";
506		628
…		…
556	if (1) {	678	if (1) {
557	$md5 =	679	$md5 =
558	join "\x00",	680	join "\x00",
559	$processversion,	681	$processversion,
560	map {	682	map {
561	Coro::cede;	683	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	684	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	685	} 0.. $#$src;
564		686
565		687
566	my $dbmd5 = db_get cache => "$id/md5";	688	my $dbmd5 = db_get cache => "$id/md5";
…		…
610	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
612		734
613	In the following description, CLASS can be any of C<global>, C<object>	735	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	737	Deliantra).
616		738
617	=over 4	739	=over 4
618		740
619	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
620		742
…		…
902	}	1024	}
903		1025
904	0	1026	0
905	}	1027	}
906		1028
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1030
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1032
911	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
912		1034
…		…
918		1040
919	=cut	1041	=cut
920		1042
921	#############################################################################	1043	#############################################################################
922	# object support	1044	# object support
923	#
924		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
925	sub _can_merge {	1079	sub _can_merge {
926	my ($ob1, $ob2) = @_;	1080	my ($ob1, $ob2) = @_;
927		1081
928	local $Storable::canonical = 1;	1082	++$SLOW_MERGES;#d#
929	my $fob1 = Storable::freeze $ob1;
930	my $fob2 = Storable::freeze $ob2;
931		1083
932	$fob1 eq $fob2	1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
933	}	1086	}
934		1087
935	sub reattach {	1088	sub reattach {
936	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
937	my ($obj) = @_;	1090	my ($obj) = @_;
…		…
959	cf::attachable->attach (	1112	cf::attachable->attach (
960	prio => -1000000,	1113	prio => -1000000,
961	on_instantiate => sub {	1114	on_instantiate => sub {
962	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
963		1116
964	$data = from_json $data;	1117	$data = decode_json $data;
965		1118
966	for (@$data) {	1119	for (@$data) {
967	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
968		1121
969	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
985	sub object_freezer_save {	1138	sub object_freezer_save {
986	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
987		1140
988	sync_job {	1141	sync_job {
989	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
990	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
991	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
992		1146
993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
994	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
996	aio_fsync $fh if $cf::USE_FSYNC;	1150	aio_fsync $fh if $cf::USE_FSYNC;
997	close $fh;	1151	aio_close $fh;
998		1152
999	if (@$objs) {	1153	if (@$objs) {
1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1001	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
1002	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1003	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
1004	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
1005	close $fh;	1159	aio_close $fh;
1006	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
1007	}	1161	}
1008	} else {	1162	} else {
1009	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
1010	}	1164	}
…		…
1015	}	1169	}
1016	} else {	1170	} else {
1017	aio_unlink $filename;	1171	aio_unlink $filename;
1018	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
1019	}	1173	}
1020	}	1174	};
1021	}	1175	}
1022		1176
1023	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
1024	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
1025		1179
…		…
1037	or return;	1191	or return;
1038		1192
1039	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
1040	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
1041	or return;	1195	or return;
		1196
1042	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
1043	}	1199	}
1044		1200
		1201	utf8::decode (my $decname = $filename);
1045	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
1046	$filename, length $data, scalar @{$av || []};	1203	$decname, length $data, scalar @{$av || []};
		1204
1047	return ($data, $av);	1205	($data, $av)
1048	}	1206	}
1049		1207
1050	=head2 COMMAND CALLBACKS	1208	=head2 COMMAND CALLBACKS
1051		1209
1052	=over 4	1210	=over 4
…		…
1125	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
1126		1284
1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1128		1286
1129	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
1131	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
1132	$pl->ext_reply ($msg->{msgid}, %reply);
1133	}
1134	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
1135	} else {	1302	} else {
1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1137	}	1304	}
1138		1305
1139	cf::override;	1306	cf::override;
…		…
1192	my $msg = $@ ? "$v->{path}: $@\n"	1359	my $msg = $@ ? "$v->{path}: $@\n"
1193	: "$v->{base}: extension inactive.\n";	1360	: "$v->{base}: extension inactive.\n";
1194		1361
1195	if (exists $v->{meta}{mandatory}) {	1362	if (exists $v->{meta}{mandatory}) {
1196	warn $msg;	1363	warn $msg;
1197	warn "mandatory extension failed to load, exiting.\n";	1364	cf::cleanup "mandatory extension failed to load, exiting.";
1198	exit 1;
1199	}	1365	}
1200		1366
1201	warn $msg;	1367	warn $msg;
1202	}	1368	}
1203		1369
…		…
1228	use Coro::AIO;	1394	use Coro::AIO;
1229		1395
1230	=head3 cf::player	1396	=head3 cf::player
1231		1397
1232	=over 4	1398	=over 4
		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
1233		1413
1234	=item cf::player::find $login	1414	=item cf::player::find $login
1235		1415
1236	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
1237		1417
…		…
1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1276	aio_unlink +(playerdir $login) . "/$login.pl";	1456	aio_unlink +(playerdir $login) . "/$login.pl";
1277		1457
1278	my $pl = load_pl path $login	1458	my $f = new_from_file cf::object::thawer path $login
1279	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
1280	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
1281	}	1467	}
1282	}	1468	}
1283	}	1469	}
1284		1470
…		…
1293	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
1294		1480
1295	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
1296	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
1297		1483
		1484	cf::get_slot 0.01;
		1485
1298	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
1299	Coro::cede;	1487	cf::cede_to_tick;
1300	}	1488	}
1301		1489
1302	sub new($) {	1490	sub new($) {
1303	my ($login) = @_;	1491	my ($login) = @_;
1304		1492
…		…
1310	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1311		1499
1312	$self	1500	$self
1313	}	1501	}
1314		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1315	=item $pl->quit_character	1513	=item $pl->quit_character
1316		1514
1317	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1318	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1319		1517
…		…
1327	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1328	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1329		1527
1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1331	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1333	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1334		1534
1335	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1336	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1372	or return [];	1572	or return [];
1373		1573
1374	my @logins;	1574	my @logins;
1375		1575
1376	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1378	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1379	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1380		1586
1381	utf8::decode $login;	1587	utf8::decode $login;
1382	push @logins, $login;	1588	push @logins, $login;
1383	}	1589	}
1384		1590
…		…
1417		1623
1418	Expand crossfire pod fragments into protocol xml.	1624	Expand crossfire pod fragments into protocol xml.
1419		1625
1420	=cut	1626	=cut
1421		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
1422	sub expand_cfpod {	1639	sub expand_cfpod {
1423	((my $self), (local $_)) = @_;	1640	my ($self, $pod) = @_;
1424		1641
1425	# escape & and <	1642	my $xml;
1426	s/&/&amp;/g;
1427	s/(?<![BIUGH])</&lt;/g;
1428		1643
1429	# this is buggy, it needs to properly take care of nested <'s	1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
1430		1647
1431	1 while	1648	$group =~ s/&/&amp;/g;
1432	# replace B<>, I<>, U<> etc.	1649	$group =~ s/</&lt;/g;
1433	s/B<([^\>]*)>/<b>$1<\/b>/	1650
1434	|| s/I<([^\>]*)>/<i>$1<\/i>/	1651	$xml .= $group;
1435	|| s/U<([^\>]*)>/<u>$1<\/u>/	1652	} elsif ($pod =~ m%\G
1436	# replace G<male|female> tags	1653	([BCGHITU])
1437	|| s{G<([^>|]*)\|([^>]*)>}{	1654	<
1438	$self->gender ? $2 : $1	1655	(?:
1439	}ge	1656	([^<>]*) (?{ $group = $^N })
1440	# replace H<hint text>	1657	| < $interior >
1441	|| s{H<([^\>]*)>}	1658	)
		1659	>
		1660	%gcsx
1442	{	1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1445	"")	1681	"")
1446	[$self->{hintmode}]	1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
1447	}ge;	1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
1448		1693
		1694	for ($xml) {
1449	# create single paragraphs (very hackish)	1695	# create single paragraphs (very hackish)
1450	s/(?<=\S)\n(?=\w)/ /g;	1696	s/(?<=\S)\n(?=\w)/ /g;
1451		1697
1452	# compress some whitespace	1698	# compress some whitespace
1453	s/\s+\n/\n/g; # ws line-ends	1699	s/\s+\n/\n/g; # ws line-ends
1454	s/\n\n+/\n/g; # double lines	1700	s/\n\n+/\n/g; # double lines
1455	s/^\n+//; # beginning lines	1701	s/^\n+//; # beginning lines
1456	s/\n+$//; # ending lines	1702	s/\n+$//; # ending lines
		1703	}
1457		1704
1458	$_	1705	$xml
1459	}	1706	}
		1707
		1708	no re 'eval';
1460		1709
1461	sub hintmode {	1710	sub hintmode {
1462	$_[0]{hintmode} = $_[1] if @_ > 1;	1711	$_[0]{hintmode} = $_[1] if @_ > 1;
1463	$_[0]{hintmode}	1712	$_[0]{hintmode}
1464	}	1713	}
1465		1714
1466	=item $player->ext_reply ($msgid, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1467		1716
1468	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1469		1718
1470	=cut	1719	=cut
1471		1720
1472	sub ext_reply($$%) {	1721	sub ext_reply($$@) {
1473	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1474		1723
1475	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1477	}	1725	}
1478		1726
1479	=item $player->ext_event ($type, %msg)	1727	=item $player->ext_msg ($type, @msg)
1480		1728
1481	Sends an ext event to the client.	1729	Sends an ext event to the client.
1482		1730
1483	=cut	1731	=cut
1484		1732
1485	sub ext_event($$%) {	1733	sub ext_msg($$@) {
1486	my ($self, $type, %msg) = @_;	1734	my ($self, $type, @msg) = @_;
1487		1735
1488	$self->ns->ext_event ($type, %msg);	1736	$self->ns->ext_msg ($type, @msg);
1489	}	1737	}
1490		1738
1491	=head3 cf::region	1739	=head3 cf::region
1492		1740
1493	=over 4	1741	=over 4
…		…
1537	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1538	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1539		1787
1540	sub generate_random_map {	1788	sub generate_random_map {
1541	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1542	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1543	$self->_create_random_map (	1794	$self->_create_random_map (
1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1668		1919
1669	# the temporary/swap location	1920	# the temporary/swap location
1670	sub save_path {	1921	sub save_path {
1671	my ($self) = @_;	1922	my ($self) = @_;
1672		1923
1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1674	"$TMPDIR/$path.map"	1925	"$TMPDIR/$path.map"
1675	}	1926	}
1676		1927
1677	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1678	sub uniq_path {	1929	sub uniq_path {
1679	my ($self) = @_;	1930	my ($self) = @_;
1680		1931
1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1682	"$UNIQUEDIR/$path"	1933	"$UNIQUEDIR/$path"
1683	}	1934	}
1684		1935
1685	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1686	# all maps in C++...	1937	# all maps in C++...
…		…
1709		1960
1710	sub load_header_from($) {	1961	sub load_header_from($) {
1711	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1712		1963
1713	utf8::encode $path;	1964	utf8::encode $path;
1714	#aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1715	# or return;
1716
1717	$self->_load_header ($path)
1718	or return;	1966	or return;
		1967
		1968	$self->_load_header ($f)
		1969	or return;
		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
1719		1973
1720	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1721		1975
1722	1	1976	1
1723	}	1977	}
…		…
1777	sub find {	2031	sub find {
1778	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1779		2033
1780	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1781		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1782	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1783		2038
1784	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1785	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1786	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1787	or return;	2044	or return;
1788		2045
1789	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1790		2047
…		…
1792	or return;	2049	or return;
1793		2050
1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1795	# doing this can freeze the server in a sync job, obviously	2052	# doing this can freeze the server in a sync job, obviously
1796	#$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1797	$map->reset;	2056	$map->reset;
1798	undef $guard;
1799	return find $path;	2057	return find $path;
1800	}	2058	}
1801		2059
1802	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1803	}	2061	}
…		…
1812	local $self->{deny_reset} = 1; # loading can take a long time	2070	local $self->{deny_reset} = 1; # loading can take a long time
1813		2071
1814	my $path = $self->{path};	2072	my $path = $self->{path};
1815		2073
1816	{	2074	{
1817	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1818		2076
		2077	return unless $self->valid;
1819	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1820		2079
1821	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1822		2081
1823	$self->alloc;	2082	$self->alloc;
1824		2083
1825	$self->pre_load;	2084	$self->pre_load;
1826	Coro::cede;	2085	cf::cede_to_tick;
1827		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
1828	$self->_load_objects ($self->{load_path}, 1)	2089	$self->_load_objects ($f)
1829	or return;	2090	or return;
1830		2091
1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1832	if delete $self->{load_original};	2093	if delete $self->{load_original};
1833		2094
1834	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1835	utf8::encode $uniq;	2096	utf8::encode $uniq;
1836	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1837	$self->clear_unique_items;	2099	$self->clear_unique_items;
1838	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1839	}	2103	}
1840	}	2104	}
1841		2105
1842	Coro::cede;	2106	$f->resolve_delayed_derefs;
		2107
		2108	cf::cede_to_tick;
1843	# now do the right thing for maps	2109	# now do the right thing for maps
1844	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1845	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1846	unless $self->difficulty;	2112	unless $self->difficulty;
1847	Coro::cede;	2113	cf::cede_to_tick;
1848		2114
1849	unless ($self->{deny_activate}) {	2115	unless ($self->{deny_activate}) {
1850	$self->decay_objects;	2116	$self->decay_objects;
1851	$self->fix_auto_apply;	2117	$self->fix_auto_apply;
1852	$self->update_buttons;	2118	$self->update_buttons;
1853	Coro::cede;	2119	cf::cede_to_tick;
1854	$self->set_darkness_map;	2120	$self->set_darkness_map;
1855	Coro::cede;	2121	cf::cede_to_tick;
1856	$self->activate;	2122	$self->activate;
1857	}	2123	}
1858		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1859	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
1860	}	2129	}
1861		2130
1862	$self->post_load;	2131	$self->post_load;
1863	}	2132	}
1864		2133
…		…
1873		2142
1874	$self	2143	$self
1875	}	2144	}
1876		2145
1877	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1878	sub load_diag {	2147	sub load_neighbours {
1879	my ($map) = @_;	2148	my ($map) = @_;
1880		2149
1881	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1882		2151
1883	for (0 .. 3) {	2152	for (0 .. 3) {
1884	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1885	or next;	2154	or next;
1886	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1887	or next;	2156	or next;
1888	$neigh->load;	2157	$neigh->load;
1889		2158
		2159	push @neigh,
1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1892	}	2162	}
1893		2163
1894	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1895	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1896	or next;	2167	or next;
1897	$neigh->load;	2168	$neigh->load;
1898	}	2169	}
1899	}	2170	}
1900		2171
…		…
1905	}	2176	}
1906		2177
1907	sub do_load_sync {	2178	sub do_load_sync {
1908	my ($map) = @_;	2179	my ($map) = @_;
1909		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1910	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1911	}	2185	}
1912		2186
1913	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1914	our $MAP_PREFETCHER = undef;	2188	our $MAP_PREFETCHER = undef;
1915		2189
1916	sub find_async {	2190	sub find_async {
1917	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1918		2192
1919	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1920		2194
1921	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1923	}	2197	}
1924		2198
1925	undef $MAP_PREFETCH{$path};	2199	$MAP_PREFETCH{$path} |= $load;
		2200
1926	$MAP_PREFETCHER ||= cf::async {	2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
1927	while (%MAP_PREFETCH) {	2204	while (%MAP_PREFETCH) {
1928	for my $path (keys %MAP_PREFETCH) {	2205	while (my ($k, $v) = each %MAP_PREFETCH) {
1929	if (my $map = find $path) {	2206	if (my $map = find $k) {
1930	$map->load;	2207	$map->load if $v;
1931	}	2208	}
1932		2209
1933	delete $MAP_PREFETCH{$path};	2210	delete $MAP_PREFETCH{$k};
1934	}	2211	}
1935	}	2212	}
1936	undef $MAP_PREFETCHER;	2213	undef $MAP_PREFETCHER;
1937	};	2214	};
1938	$MAP_PREFETCHER->prio (6);	2215	$MAP_PREFETCHER->prio (6);
…		…
1941	}	2218	}
1942		2219
1943	sub save {	2220	sub save {
1944	my ($self) = @_;	2221	my ($self) = @_;
1945		2222
1946	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1947		2224
1948	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1949		2226
1950	return unless $self->dirty;	2227	return unless $self->dirty;
1951		2228
…		…
1957	return if $self->{deny_save};	2234	return if $self->{deny_save};
1958		2235
1959	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1960		2237
1961	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1962	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1963	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1964		2244
1965	if ($uniq) {	2245	if ($uniq) {
1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1968	} else {	2248	} else {
…		…
1974	my ($self) = @_;	2254	my ($self) = @_;
1975		2255
1976	# save first because save cedes	2256	# save first because save cedes
1977	$self->save;	2257	$self->save;
1978		2258
1979	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1980		2260
1981	return if $self->players;	2261	return if $self->players;
1982	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1983	return if $self->{deny_save};	2263	return if $self->{deny_save};
1984		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1985	$self->clear;	2269	$self->clear;
1986	$self->in_memory (cf::MAP_SWAPPED);
1987	}	2270	}
1988		2271
1989	sub reset_at {	2272	sub reset_at {
1990	my ($self) = @_;	2273	my ($self) = @_;
1991		2274
…		…
2023	if $uniq;	2306	if $uniq;
2024	}	2307	}
2025		2308
2026	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
2027		2310
		2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
2028	$self->clear;	2313	$self->clear;
2029
2030	$_->clear_links_to ($self) for values %cf::MAP;
2031		2314
2032	$self->unlink_save;	2315	$self->unlink_save;
2033	$self->destroy;	2316	$self->destroy;
2034	}	2317	}
2035		2318
2036	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
2037		2320
2038	sub nuke {	2321	sub nuke {
2039	my ($self) = @_;	2322	my ($self) = @_;
2040		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
2041	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
2042		2328
2043	$self->unlink_save;	2329	$self->unlink_save;
2044		2330
2045	bless $self, "cf::map";	2331	bless $self, "cf::map";
2046	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
2047	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
2048	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2050		2336
2051	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
2052		2339
2053	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
2054	}	2341	}
2055		2342
2056	=item $maps = cf::map::tmp_maps	2343	=item $maps = cf::map::tmp_maps
…		…
2098		2385
2099	sub unique_maps() {	2386	sub unique_maps() {
2100	[	2387	[
2101	map {	2388	map {
2102	utf8::decode $_;	2389	utf8::decode $_;
2103	/\.map$/	2390	s/\.map$//; # TODO future compatibility hack
		2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2392	? ()
2104	? normalise $_	2393	: normalise $_
2105	: ()
2106	} @{ aio_readdir $UNIQUEDIR or [] }	2394	} @{ aio_readdir $UNIQUEDIR or [] }
2107	]	2395	]
2108	}	2396	}
2109		2397
2110	package cf;
2111
2112	=back	2398	=back
2113		2399
2114	=head3 cf::object	2400	=head3 cf::object
2115		2401
2116	=cut	2402	=cut
…		…
2119		2405
2120	=over 4	2406	=over 4
2121		2407
2122	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
2123		2409
2124	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
2125		2412
2126	=cut	2413	=cut
2127		2414
2128	sub inv_recursive_;	2415	sub inv_recursive_;
2129	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
2132		2419
2133	sub inv_recursive {	2420	sub inv_recursive {
2134	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
2135	}	2422	}
2136		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
2137	package cf;	2452	package cf;
2138		2453
2139	=back	2454	=back
2140		2455
2141	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
2147	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2148	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
2149	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
2150		2465
2151	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
2152		2481
2153	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
2154	# with dialog boxes.	2483	# with dialog boxes.
2155	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
2156	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
2163		2492
2164	} else {	2493	} else {
2165	my $pl = $self->contr;	2494	my $pl = $self->contr;
2166		2495
2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2168	my $diag = $pl->{npc_dialog};	2497	my $dialog = $pl->{npc_dialog};
2169	$diag->{pl}->ext_reply (	2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2170	$diag->{id},
2171	msgtype => "reply",
2172	msg => $diag->{pl}->expand_cfpod ($msg),
2173	add_topics => []
2174	);
2175		2499
2176	} else {	2500	} else {
2177	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
2178	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2179	}	2503	}
2180	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
2181	}	2515	}
2182		2516
2183	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
2184		2518
2185	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
2264	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
2265	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
2266	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
2267		2601
2268	$map->load;	2602	$map->load;
2269	$map->load_diag;	2603	$map->load_neighbours;
2270		2604
2271	return unless $self->contr->active;	2605	return unless $self->contr->active;
2272	$self->activate_recursive;	2606	$self->activate_recursive;
2273		2607
2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
…		…
2281	her, loading and preparing them map, calling the provided $check callback	2615	her, loading and preparing them map, calling the provided $check callback
2282	that has to return the map if sucecssful, and then unfreezes the player on	2616	that has to return the map if sucecssful, and then unfreezes the player on
2283	the new (success) or old (failed) map position. In either case, $done will	2617	the new (success) or old (failed) map position. In either case, $done will
2284	be called at the end of this process.	2618	be called at the end of this process.
2285		2619
		2620	Note that $check will be called with a potentially non-loaded map, so if
		2621	it needs a loaded map it has to call C<< ->load >>.
		2622
2286	=cut	2623	=cut
2287		2624
2288	our $GOTOGEN;	2625	our $GOTOGEN;
2289		2626
2290	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
…		…
2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2295		2632
2296	$self->enter_link;	2633	$self->enter_link;
2297		2634
2298	(async {	2635	(async {
		2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
2299	my $map = eval {	2657	my $map = eval {
2300	my $map = cf::map::find $path;	2658	my $map = defined $path ? cf::map::find $path : undef;
2301		2659
2302	if ($map) {	2660	if ($map) {
2303	$map = $map->customise_for ($self);	2661	$map = $map->customise_for ($self);
2304	$map = $check->($map) if $check && $map;	2662	$map = $check->($map) if $check && $map;
2305	} else {	2663	} else {
2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2307	}	2665	}
2308		2666
2309	$map	2667	$map
2310	};	2668	};
2311		2669
…		…
2347	}	2705	}
2348		2706
2349	sub prepare_random_map {	2707	sub prepare_random_map {
2350	my ($exit) = @_;	2708	my ($exit) = @_;
2351		2709
2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
2353
2354	# all this does is basically replace the /! path by	2710	# all this does is basically replace the /! path by
2355	# a new random map path (?random/...) with a seed	2711	# a new random map path (?random/...) with a seed
2356	# that depends on the exit object	2712	# that depends on the exit object
2357		2713
2358	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
…		…
2360	if ($exit->map) {	2716	if ($exit->map) {
2361	$rmp->{region} = $exit->region->name;	2717	$rmp->{region} = $exit->region->name;
2362	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
2363	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
2364	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
2365	}	2723	}
2366		2724
2367	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
2368		2726
2369	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2370	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
2371	my $meta = "$RANDOMDIR/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
2372		2730
2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2374	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
2375	undef $fh;	2733	undef $fh;
2376	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
2377		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
2378	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
2379	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
2380	}	2742	}
2381	}	2743	}
2382		2744
2383	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
2384	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
2385		2747
2386	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
2387		2749
2388	if ($exit->slaying eq "/!") {
2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
2390	# the problem is that $exit might not survive long enough
2391	# so it needs to be done right now, right here
2392	cf::sync_job { prepare_random_map $exit };
2393	}
2394
2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2396	my $hp = $exit->stats->hp;
2397	my $sp = $exit->stats->sp;
2398
2399	$self->enter_link;	2750	$self->enter_link;
2400		2751
2401	# if exit is damned, update players death & WoR home-position
2402	$self->contr->savebed ($slaying, $hp, $sp)
2403	if $exit->flag (FLAG_DAMNED);
2404
2405	(async {	2752	(async {
2406	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
2407	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
		2762	prepare_random_map $exit
		2763	if $exit->slaying eq "/!";
		2764	}
		2765
		2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
		2769
2408	$self->goto ($slaying, $hp, $sp);	2770	$self->goto ($map, $x, $y);
2409		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
2410	1;	2776	1
2411	}) {	2777	}) {
2412	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
2413	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
2414	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
2415	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
…		…
2445	the message, with C<log> being the default. If C<$color> is negative, suppress	2811	the message, with C<log> being the default. If C<$color> is negative, suppress
2446	the message unless the client supports the msg packet.	2812	the message unless the client supports the msg packet.
2447		2813
2448	=cut	2814	=cut
2449		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
2450	sub cf::client::send_msg {	2874	sub cf::client::send_msg {
2451	my ($self, $channel, $msg, $color, @extra) = @_;	2875	my ($self, $channel, $msg, $color, @extra) = @_;
2452		2876
2453	$msg = $self->pl->expand_cfpod ($msg);	2877	$msg = $self->pl->expand_cfpod ($msg);
2454		2878
2455	$color &= ~cf::NDI_UNIQUE; # just in case...	2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
2456		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
2457	if (ref $channel) {	2890	} elsif (ref $channel) {
2458	# send meta info to client, if not yet sent	2891	# send meta info to client, if not yet sent
2459	unless (exists $self->{channel}{$channel->{id}}) {	2892	unless (exists $self->{channel}{$channel->{id}}) {
2460	$self->{channel}{$channel->{id}} = $channel;	2893	$self->{channel}{$channel->{id}} = $channel;
2461	$self->ext_event (channel_info => %$channel);	2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
2462	}	2896	}
2463		2897
2464	$channel = $channel->{id};	2898	$channel = $channel->{id};
2465	}	2899	}
2466		2900
2467	return unless @extra || length $msg;	2901	return unless @extra || length $msg;
2468		2902
2469	if ($self->can_msg) {	2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2471	} else {	2910	} else {
2472	# replace some tags by gcfclient-compatible ones
2473	for ($msg) {
2474	1 while
2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2480	}
2481
2482	if ($color >= 0) {	2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
2483	if (0 && $msg =~ /\[/) {	2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
2484	$self->send_packet ("drawextinfo $color 4 0 $msg")	2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
2485	} else {	2929	} else {
2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2487	$self->send_packet ("drawinfo $color $msg")	2931	$self->send_packet ("drawinfo $color $msg")
2488	}	2932	}
2489	}	2933	}
2490	}	2934	}
2491	}	2935	}
2492		2936
2493	=item $client->ext_event ($type, %msg)	2937	=item $client->ext_msg ($type, @msg)
2494		2938
2495	Sends an ext event to the client.	2939	Sends an ext event to the client.
2496		2940
2497	=cut	2941	=cut
2498		2942
2499	sub cf::client::ext_event($$%) {	2943	sub cf::client::ext_msg($$@) {
2500	my ($self, $type, %msg) = @_;	2944	my ($self, $type, @msg) = @_;
2501		2945
2502	return unless $self->extcmd;	2946	if ($self->extcmd == 2) {
2503		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
2504	$msg{msgtype} = "event_$type";	2949	push @msg, msgtype => "event_$type";
2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
2506	}	2970	}
2507		2971
2508	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
2509		2973
2510	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
…		…
2565	my ($ns, $buf) = @_;	3029	my ($ns, $buf) = @_;
2566		3030
2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2568		3032
2569	if (ref $msg) {	3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3041	if (my $cb = $EXTICMD{$type}) {
2571	if (my %reply = $cb->($ns, $msg)) {	3042	@reply = $cb->($ns, @payload);
2572	$reply{msgid} = $msg->{msgid};
2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2574	}
2575	}	3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
2576	} else {	3048	} else {
2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2578	}	3050	}
2579		3051
2580	cf::override;	3052	cf::override;
…		…
2627	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2628	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2629		3101
2630	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2631		3103
2632	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2633		3109
2634	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2635		3111
2636	=pod	3112	=pod
2637		3113
2638	The following functions and methods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2639		3115
2640	cf::object	3116	cf::object
2641	contr pay_amount pay_player map x y force_find force_add	3117	contr pay_amount pay_player map x y force_find force_add destroy
2642	insert remove	3118	insert remove name archname title slaying race decrease split
2643		3119
2644	cf::object::player	3120	cf::object::player
2645	player	3121	player
2646		3122
2647	cf::player	3123	cf::player
…		…
2652		3128
2653	=cut	3129	=cut
2654		3130
2655	for (	3131	for (
2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2657	insert remove)],	3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2658	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2659	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2660	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2661	) {	3138	) {
2662	no strict 'refs';	3139	no strict 'refs';
…		…
2738	# the server's init and main functions	3215	# the server's init and main functions
2739		3216
2740	sub load_facedata($) {	3217	sub load_facedata($) {
2741	my ($path) = @_;	3218	my ($path) = @_;
2742		3219
		3220	# HACK to clear player env face cache, we need some signal framework
		3221	# for this (global event?)
		3222	%ext::player_env::MUSIC_FACE_CACHE = ();
		3223
		3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3225
2743	warn "loading facedata from $path\n";	3226	warn "loading facedata from $path\n";
2744		3227
2745	my $facedata;	3228	my $facedata;
2746	0 < aio_load $path, $facedata	3229	0 < aio_load $path, $facedata
2747	or die "$path: $!";	3230	or die "$path: $!";
…		…
2749	$facedata = Coro::Storable::thaw $facedata;	3232	$facedata = Coro::Storable::thaw $facedata;
2750		3233
2751	$facedata->{version} == 2	3234	$facedata->{version} == 2
2752	or cf::cleanup "$path: version mismatch, cannot proceed.";	3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2753		3236
		3237	# patch in the exptable
		3238	$facedata->{resource}{"res/exp_table"} = {
		3239	type => FT_RSRC,
		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3241	};
		3242	cf::cede_to_tick;
		3243
2754	{	3244	{
2755	my $faces = $facedata->{faceinfo};	3245	my $faces = $facedata->{faceinfo};
2756		3246
2757	while (my ($face, $info) = each %$faces) {	3247	while (my ($face, $info) = each %$faces) {
2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3249
2759	cf::face::set_visibility $idx, $info->{visibility};	3250	cf::face::set_visibility $idx, $info->{visibility};
2760	cf::face::set_magicmap $idx, $info->{magicmap};	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2763		3254
2764	cf::cede_to_tick;	3255	cf::cede_to_tick;
2765	}	3256	}
2766		3257
2767	while (my ($face, $info) = each %$faces) {	3258	while (my ($face, $info) = each %$faces) {
2768	next unless $info->{smooth};	3259	next unless $info->{smooth};
		3260
2769	my $idx = cf::face::find $face	3261	my $idx = cf::face::find $face
2770	or next;	3262	or next;
		3263
2771	if (my $smooth = cf::face::find $info->{smooth}) {	3264	if (my $smooth = cf::face::find $info->{smooth}) {
2772	cf::face::set_smooth $idx, $smooth;	3265	cf::face::set_smooth $idx, $smooth;
2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2774	} else {	3267	} else {
2775	warn "smooth face '$info->{smooth}' not found for face '$face'";	3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2792		3285
2793	{	3286	{
2794	# TODO: for gcfclient pleasure, we should give resources	3287	# TODO: for gcfclient pleasure, we should give resources
2795	# that gcfclient doesn't grok a >10000 face index.	3288	# that gcfclient doesn't grok a >10000 face index.
2796	my $res = $facedata->{resource};	3289	my $res = $facedata->{resource};
2797	my $enc = JSON::XS->new->utf8->canonical;
2798		3290
2799	while (my ($name, $info) = each %$res) {	3291	while (my ($name, $info) = each %$res) {
2800	my $meta = $enc->encode ({	3292	if (defined $info->{type}) {
2801	name => $name,
2802	type => $info->{type},
2803	copyright => $info->{copyright}, #TODO#
2804	});
2805
2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
2807		3295
2808	if ($name =~ /\.jpg$/) {	3296	if ($info->{type} & 1) {
2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3297	# prepend meta info
2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
2811	} else {	3311	} else {
2812	my $data = pack "(w/a*)*", $meta, $info->{data};	3312	$RESOURCE{$name} = $info;
2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2814
2815	cf::face::set_type $idx, 1;
2816	cf::face::set_data $idx, 0, $data, $chk;
2817	}	3313	}
2818		3314
2819	cf::cede_to_tick;	3315	cf::cede_to_tick;
2820	}	3316	}
2821	}	3317	}
2822		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
2823	1	3321	1
2824	}	3322	}
2825		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
2826	sub reload_regions {	3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
2827	load_resource_file "$MAPDIR/regions"	3367	load_resource_file "$MAPDIR/regions"
2828	or die "unable to load regions file\n";	3368	or die "unable to load regions file\n";
2829		3369
2830	for (cf::region::list) {	3370	for (cf::region::list) {
2831	$_->{match} = qr/$_->{match}/	3371	$_->{match} = qr/$_->{match}/
…		…
2839	}	3379	}
2840		3380
2841	sub reload_archetypes {	3381	sub reload_archetypes {
2842	load_resource_file "$DATADIR/archetypes"	3382	load_resource_file "$DATADIR/archetypes"
2843	or die "unable to load archetypes\n";	3383	or die "unable to load archetypes\n";
2844	#d# NEED to laod twice to resolve forward references
2845	# this really needs to be done in an extra post-pass
2846	# (which needs to be synchronous, so solve it differently)
2847	load_resource_file "$DATADIR/archetypes"
2848	or die "unable to load archetypes\n";
2849	}	3384	}
2850		3385
2851	sub reload_treasures {	3386	sub reload_treasures {
2852	load_resource_file "$DATADIR/treasures"	3387	load_resource_file "$DATADIR/treasures"
2853	or die "unable to load treasurelists\n";	3388	or die "unable to load treasurelists\n";
2854	}	3389	}
2855		3390
2856	sub reload_resources {	3391	sub reload_resources {
2857	warn "reloading resource files...\n";	3392	warn "reloading resource files...\n";
2858		3393
		3394	reload_facedata;
		3395	reload_archetypes;
2859	reload_regions;	3396	reload_regions;
2860	reload_facedata;
2861	#reload_archetypes;#d#
2862	reload_archetypes;
2863	reload_treasures;	3397	reload_treasures;
2864		3398
2865	warn "finished reloading resource files\n";	3399	warn "finished reloading resource files\n";
2866	}	3400	}
2867		3401
2868	sub init {	3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
2869	reload_resources;	3407	reload_resources;
2870	}	3408	}
2871		3409
2872	sub cfg_load {	3410	sub reload_config {
2873	open my $fh, "<:utf8", "$CONFDIR/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2874	or return;	3412	or return;
2875		3413
2876	local $/;	3414	local $/;
2877	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2878		3416
2879	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2880		3418
2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2893	sub main {	3431	sub main {
2894	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2895	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2897	(async {	3435	(async {
2898	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2899	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2900	};	3439	};
2901		3440
2902	cfg_load;	3441	{
		3442	my $guard = freeze_mainloop;
		3443	reload_config;
2903	db_init;	3444	db_init;
2904	load_extensions;	3445	load_extensions;
2905		3446
2906	$TICK_WATCHER->start;	3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2907	Event::loop;	3450	EV::loop;
2908	}	3451	}
2909		3452
2910	#############################################################################	3453	#############################################################################
2911	# initialisation and cleanup	3454	# initialisation and cleanup
2912		3455
2913	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2914	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2915	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2916	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2917	reentrant => 0,
2918	data => WF_AUTOCANCEL,
2919	signal => $signal,
2920	prio => 0,
2921	cb => sub {
2922	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2923	},
2924	);	3462	};
2925	}	3463	}
2926	}	3464	}
2927		3465
2928	sub write_runtime {	3466	sub write_runtime_sync {
2929	my $runtime = "$LOCALDIR/runtime";	3467	my $runtime = "$LOCALDIR/runtime";
2930		3468
2931	# first touch the runtime file to show we are still running:	3469	# first touch the runtime file to show we are still running:
2932	# the fsync below can take a very very long time.	3470	# the fsync below can take a very very long time.
2933		3471
…		…
2959	and return;	3497	and return;
2960		3498
2961	warn "runtime file written.\n";	3499	warn "runtime file written.\n";
2962		3500
2963	1	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2964	}	3545	}
2965		3546
2966	sub emergency_save() {	3547	sub emergency_save() {
2967	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2968		3549
…		…
2974	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2975	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2976	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2977	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2978	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2979	$pl->save;	3561	$pl->save;
2980	}	3562	}
2981	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2982		3564
2983	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2989	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
2990		3572
2991	warn "begin emergency database checkpoint\n";	3573	warn "begin emergency database checkpoint\n";
2992	BDB::db_env_txn_checkpoint $DB_ENV;	3574	BDB::db_env_txn_checkpoint $DB_ENV;
2993	warn "end emergency database checkpoint\n";	3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2994	};	3580	};
2995		3581
2996	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2997	}	3583	}
2998		3584
…		…
3013	warn "reloading...";	3599	warn "reloading...";
3014		3600
3015	warn "entering sync_job";	3601	warn "entering sync_job";
3016		3602
3017	cf::sync_job {	3603	cf::sync_job {
3018	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
3019	cf::emergency_save;	3605	cf::emergency_save;
3020	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
3021		3607
3022	warn "syncing database to disk";	3608	warn "syncing database to disk";
3023	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
3024		3610
3025	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
3026
3027	warn "cancelling all WF_AUTOCANCEL watchers";
3028	for (Event::all_watchers) {
3029	$_->cancel if $_->data & WF_AUTOCANCEL;
3030	}
3031		3612
3032	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
3033	for (;;) {	3614	for (;;) {
3034	BDB::flush;	3615	BDB::flush;
3035	IO::AIO::flush;	3616	IO::AIO::flush;
3036	Coro::cede;	3617	Coro::cede_notself;
3037	last unless IO::AIO::nreqs || BDB::nreqs;	3618	last unless IO::AIO::nreqs || BDB::nreqs;
3038	warn "iterate...";	3619	warn "iterate...";
3039	}	3620	}
3040		3621
3041	++$RELOAD;	3622	++$RELOAD;
…		…
3100	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
3101	require cf;	3682	require cf;
3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3103		3684
3104	warn "loading config and database again";	3685	warn "loading config and database again";
3105	cf::cfg_load;	3686	cf::reload_config;
3106		3687
3107	warn "loading extensions";	3688	warn "loading extensions";
3108	cf::load_extensions;	3689	cf::load_extensions;
3109		3690
3110	warn "reattaching attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
…		…
3117	warn "leaving sync_job";	3698	warn "leaving sync_job";
3118		3699
3119	1	3700	1
3120	} or do {	3701	} or do {
3121	warn $@;	3702	warn $@;
3122	warn "error while reloading, exiting.";	3703	cf::cleanup "error while reloading, exiting.";
3123	exit 1;
3124	};	3704	};
3125		3705
3126	warn "reloaded";	3706	warn "reloaded";
3127	};	3707	};
3128		3708
…		…
3130		3710
3131	sub reload_perl() {	3711	sub reload_perl() {
3132	# doing reload synchronously and two reloads happen back-to-back,	3712	# doing reload synchronously and two reloads happen back-to-back,
3133	# coro crashes during coro_state_free->destroy here.	3713	# coro crashes during coro_state_free->destroy here.
3134		3714
3135	$RELOAD_WATCHER ||= Event->timer (	3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3136	reentrant => 0,
3137	after => 0,
3138	data => WF_AUTOCANCEL,
3139	cb => sub {
3140	do_reload_perl;	3716	do_reload_perl;
3141	undef $RELOAD_WATCHER;	3717	undef $RELOAD_WATCHER;
3142	},
3143	);	3718	};
3144	}	3719	}
3145		3720
3146	register_command "reload" => sub {	3721	register_command "reload" => sub {
3147	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
3148		3723
3149	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
3150	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
3151	async { reload_perl };	3728	reload_perl;
		3729	};
3152	}	3730	}
3153	};	3731	};
3154		3732
3155	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
3156		3734
…		…
3158		3736
3159	our @WAIT_FOR_TICK;	3737	our @WAIT_FOR_TICK;
3160	our @WAIT_FOR_TICK_BEGIN;	3738	our @WAIT_FOR_TICK_BEGIN;
3161		3739
3162	sub wait_for_tick {	3740	sub wait_for_tick {
3163	return unless $TICK_WATCHER->is_active;
3164	return if $Coro::current == $Coro::main;	3741	return if tick_inhibit || $Coro::current == $Coro::main;
3165		3742
3166	my $signal = new Coro::Signal;	3743	my $signal = new Coro::Signal;
3167	push @WAIT_FOR_TICK, $signal;	3744	push @WAIT_FOR_TICK, $signal;
3168	$signal->wait;	3745	$signal->wait;
3169	}	3746	}
3170		3747
3171	sub wait_for_tick_begin {	3748	sub wait_for_tick_begin {
3172	return unless $TICK_WATCHER->is_active;
3173	return if $Coro::current == $Coro::main;	3749	return if tick_inhibit || $Coro::current == $Coro::main;
3174		3750
3175	my $signal = new Coro::Signal;	3751	my $signal = new Coro::Signal;
3176	push @WAIT_FOR_TICK_BEGIN, $signal;	3752	push @WAIT_FOR_TICK_BEGIN, $signal;
3177	$signal->wait;	3753	$signal->wait;
3178	}	3754	}
3179		3755
3180	my $min = 1e6;#d#	3756	sub tick {
3181	my $avg = 10;
3182	$TICK_WATCHER = Event->timer (
3183	reentrant => 0,
3184	parked => 1,
3185	prio => 0,
3186	at => $NEXT_TICK || $TICK,
3187	data => WF_AUTOCANCEL,
3188	cb => sub {
3189	if ($Coro::current != $Coro::main) {	3757	if ($Coro::current != $Coro::main) {
3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3191	unless ++$bug_warning > 10;	3759	unless ++$bug_warning > 10;
3192	return;	3760	return;
3193	}	3761	}
3194		3762
3195	$NOW = $tick_start = Event::time;
3196
3197	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
3198		3764
3199	0 && sync_job {#d#	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3200	for(1..10) {	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3201	my $t = Event::time;	3767	Coro::async_pool {
3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3768	$Coro::current->{desc} = "runtime saver";
3203	or die;	3769	write_runtime_sync
3204		3770	or warn "ERROR: unable to write runtime file: $!";
3205	$map->width (50);
3206	$map->height (50);
3207	$map->alloc;
3208	$map->_load_objects ("/tmp/x.map", 1);
3209	my $t = Event::time - $t;
3210
3211	#next unless $t < 0.0013;#d#
3212	if ($t < $min) {
3213	$min = $t;
3214	}
3215	$avg = $avg * 0.99 + $t * 0.01;
3216	}
3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3218	exit 0;
3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3220	};	3771	};
		3772	}
3221		3773
3222	$RUNTIME += $TICK;
3223	$NEXT_TICK += $TICK;
3224
3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
3227	Coro::async_pool {
3228	write_runtime
3229	or warn "ERROR: unable to write runtime file: $!";
3230	};
3231	}
3232
3233	# my $AFTER = Event::time;
3234	# warn $AFTER - $NOW;#d#
3235
3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3237	$sig->send;	3775	$sig->send;
3238	}	3776	}
3239	while (my $sig = shift @WAIT_FOR_TICK) {	3777	while (my $sig = shift @WAIT_FOR_TICK) {
3240	$sig->send;	3778	$sig->send;
3241	}	3779	}
3242		3780
3243	$NOW = Event::time;	3781	$LOAD = ($NOW - $TICK_START) / $TICK;
3244
3245	# if we are delayed by four ticks or more, skip them all
3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3247
3248	$TICK_WATCHER->at ($NEXT_TICK);
3249	$TICK_WATCHER->start;
3250
3251	$LOAD = ($NOW - $tick_start) / $TICK;
3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3253		3783
3254	_post_tick;	3784	if (0) {
3255		3785	if ($NEXT_TICK) {
3256		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
3257	},	3790	}
3258	);	3791	}
3259		3792
3260	{	3793	{
3261	BDB::max_poll_time $TICK * 0.1;	3794	# configure BDB
3262	$BDB_POLL_WATCHER = Event->io (	3795
3263	reentrant => 0,
3264	fd => BDB::poll_fileno,
3265	poll => 'r',
3266	prio => 0,
3267	data => WF_AUTOCANCEL,
3268	cb => \&BDB::poll_cb,
3269	);
3270	BDB::min_parallel 8;	3796	BDB::min_parallel 8;
3271		3797	BDB::max_poll_reqs $TICK * 0.1;
3272	BDB::set_sync_prepare {	3798	$AnyEvent::BDB::WATCHER->priority (1);
3273	my $status;
3274	my $current = $Coro::current;
3275	(
3276	sub {
3277	$status = $!;
3278	$current->ready; undef $current;
3279	},
3280	sub {
3281	Coro::schedule while defined $current;
3282	$! = $status;
3283	},
3284	)
3285	};
3286		3799
3287	unless ($DB_ENV) {	3800	unless ($DB_ENV) {
3288	$DB_ENV = BDB::db_env_create;	3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3289		3807
3290	cf::sync_job {	3808	cf::sync_job {
3291	eval {	3809	eval {
3292	BDB::db_env_open	3810	BDB::db_env_open
3293	$DB_ENV,	3811	$DB_ENV,
…		…
3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3297	0666;	3815	0666;
3298		3816
3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3300
3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3302	$DB_ENV->set_lk_detect;
3303	};	3818	};
3304		3819
3305	cf::cleanup "db_env_open(db): $@" if $@;	3820	cf::cleanup "db_env_open(db): $@" if $@;
3306	};	3821	};
3307	}	3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
3308	}	3833	}
3309		3834
3310	{	3835	{
		3836	# configure IO::AIO
		3837
3311	IO::AIO::min_parallel 8;	3838	IO::AIO::min_parallel 8;
3312
3313	undef $Coro::AIO::WATCHER;
3314	IO::AIO::max_poll_time $TICK * 0.1;	3839	IO::AIO::max_poll_time $TICK * 0.1;
3315	$AIO_POLL_WATCHER = Event->io (	3840	undef $AnyEvent::AIO::WATCHER;
3316	reentrant => 0,
3317	data => WF_AUTOCANCEL,
3318	fd => IO::AIO::poll_fileno,
3319	poll => 'r',
3320	prio => 6,
3321	cb => \&IO::AIO::poll_cb,
3322	);
3323	}	3841	}
3324		3842
3325	my $_log_backtrace;	3843	my $_log_backtrace;
3326		3844
3327	sub _log_backtrace {	3845	sub _log_backtrace {
…		…
3331		3849
3332	# limit the # of concurrent backtraces	3850	# limit the # of concurrent backtraces
3333	if ($_log_backtrace < 2) {	3851	if ($_log_backtrace < 2) {
3334	++$_log_backtrace;	3852	++$_log_backtrace;
3335	async {	3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
3336	my @bt = fork_call {	3856	my @bt = fork_call {
3337	@addr = map { sprintf "%x", $_ } @addr;	3857	@addr = map { sprintf "%x", $_ } @addr;
3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3340	or die "addr2line: $!";	3860	or die "addr2line: $!";

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