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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 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 3.2;
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 3.64 ();	36	use Coro 4.50 ();
16	use Coro::State;	37	use Coro::State;
17	use Coro::Handle;	38	use Coro::Handle;
18	use Coro::Event;	39	use Coro::EV;
19	use Coro::Timer;	40	use Coro::Timer;
20	use Coro::Signal;	41	use Coro::Signal;
21	use Coro::Semaphore;	42	use Coro::Semaphore;
22	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
23	use Coro::Storable;	45	use Coro::Storable;
24	use Coro::Util ();	46	use Coro::Util ();
25		47
26	use JSON::XS 1.4 ();	48	use JSON::XS 2.01 ();
27	use BDB ();	49	use BDB ();
28	use Data::Dumper;	50	use Data::Dumper;
29	use Digest::MD5;	51	use Digest::MD5;
30	use Fcntl;	52	use Fcntl;
31	use YAML::Syck ();	53	use YAML ();
32	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
33	use Time::HiRes;	55	use Time::HiRes;
34	use Compress::LZF;	56	use Compress::LZF;
35	use Digest::MD5 ();	57	use Digest::MD5 ();
36		58
37	# configure various modules to our taste	59	# configure various modules to our taste
38	#	60	#
39	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47		64
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		66
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		68
…		…
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	90	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
75		93
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	97	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		99
84	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
85	our $DB_ENV;	104	our $DB_ENV;
86		105
87	our %CFG;	106	our %CFG;
88		107
89	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
91		111
92	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
93	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
95		115
96	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		118
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	122	our $TICK_START; # for load detecting purposes
102		123
103	binmode STDOUT;	124	binmode STDOUT;
104	binmode STDERR;	125	binmode STDERR;
105		126
106	# read virtual server time, if available	127	# read virtual server time, if available
…		…
159		180
160	The raw value load value from the last tick.	181	The raw value load value from the last tick.
161		182
162	=item %cf::CFG	183	=item %cf::CFG
163		184
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	186	from wherever your confdir points to.
166		187
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		189
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
187	$msg .= "\n"	208	$msg .= "\n"
188	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
189		210
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		212
192	utf8::encode $msg;
193	LOG llevError, $msg;	213	LOG llevError, $msg;
194	};	214	};
195	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
196		231
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
213	)) {	248	)) {
214	no strict 'refs';	249	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	251	}
217		252
218	$Event::DIED = sub {	253	$EV::DIED = sub {
219	warn "error in event callback: @_";	254	warn "error in event callback: @_";
220	};	255	};
221		256
222	#############################################################################	257	#############################################################################
223		258
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	282	$d
248	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
249	}	284	}
250		285
251	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
252		287
253	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
254		289
255	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
256		291
257	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
258		293
259	=cut	294	=cut
260		295
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		297
263	sub to_json ($) { $json_coder->encode ($_[0]) }	298	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	299	sub decode_json($) { $json_coder->decode ($_[0]) }
265		300
266	=item cf::lock_wait $string	301	=item cf::lock_wait $string
267		302
268	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
269		304
…		…
272	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
275	returned.	310	returned.
276		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
277	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
279		317
280	=item $locked = cf::lock_active $string	318	=item $locked = cf::lock_active $string
281		319
282	Return true if the lock is currently active, i.e. somebody has locked it.	320	Return true if the lock is currently active, i.e. somebody has locked it.
283		321
284	=cut	322	=cut
285		323
286	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
287		326
288	sub lock_wait($) {	327	sub lock_wait($) {
289	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
290		334
291	# wait for lock, if any	335	# wait for lock, if any
292	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;	338	Coro::schedule;
…		…
300		344
301	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
302	lock_wait $key;	346	lock_wait $key;
303		347
304	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
305		350
306	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
307	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
309	}	355	}
310	}	356	}
311		357
…		…
314		360
315	! ! $LOCK{$key}	361	! ! $LOCK{$key}
316	}	362	}
317		363
318	sub freeze_mainloop {	364	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
320		366
321	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
322	$TICK_WATCHER->start;	368	}
323	};	369
324	$TICK_WATCHER->stop;	370	=item cf::periodic $interval, $cb
325	$guard	371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
326	}	383	}
327		384
328	=item cf::get_slot $time[, $priority[, $name]]	385	=item cf::get_slot $time[, $priority[, $name]]
329		386
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
341	our @SLOT_QUEUE;	398	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	399	our $SLOT_QUEUE;
343		400
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
346	my $signal = new Coro::Signal;	405	my $signal = new Coro::Signal;
347		406
348	while () {	407	while () {
349	next_job:	408	next_job:
350	my $avail = cf::till_tick;	409	my $avail = cf::till_tick;
…		…
358	}	417	}
359	}	418	}
360	}	419	}
361		420
362	if (@SLOT_QUEUE) {	421	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	423	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;	424	$signal->wait;
366	} else {	425	} else {
367	Coro::schedule;	426	Coro::schedule;
368	}	427	}
369	}	428	}
370	};	429	};
371		430
372	sub get_slot($;$$) {	431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
373	my ($time, $pri, $name) = @_;	434	my ($time, $pri, $name) = @_;
374		435
375	$time = $TICK * .6 if $time > $TICK * .6;	436	$time = $TICK * .6 if $time > $TICK * .6;
376	my $sig = new Coro::Signal;	437	my $sig = new Coro::Signal;
377		438
…		…
391		452
392	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
393		454
394	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
395		456
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	457	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	458	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	460	acceptable.
400		461
401	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
…		…
407		468
408	sub sync_job(&) {	469	sub sync_job(&) {
409	my ($job) = @_;	470	my ($job) = @_;
410		471
411	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
412	my $time = Event::time;	473	my $time = EV::time;
413		474
414	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
416		477
417	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	479
419	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
420		481
421	my $busy = 1;	482	my $busy = 1;
422	my @res;	483	my @res;
423		484
424	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	487	@res = eval { $job->() };
426	warn $@ if $@;	488	warn $@ if $@;
427	undef $busy;	489	undef $busy;
428	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
429		491
430	while ($busy) {	492	while ($busy) {
431	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
432	}	497	}
		498	}
433		499
434	$time = Event::time - $time;	500	my $time = EV::time - $time;
435		501
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	502	$TICK_START += $time; # do not account sync jobs to server load
440		503
441	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
442	} else {	505	} else {
443	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
444		507
…		…
469	=item fork_call { }, $args	532	=item fork_call { }, $args
470		533
471	Executes the given code block with the given arguments in a seperate	534	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	535	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	536	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	537	never block itself or use any form of event handling.
475		538
476	=cut	539	=cut
477		540
478	sub fork_call(&@) {	541	sub fork_call(&@) {
479	my ($cb, @args) = @_;	542	my ($cb, @args) = @_;
480		543
481	# we seemingly have to make a local copy of the whole thing,	544	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	545	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	546	# TODO: investigate and fix (likely this will be rather laborious)
484		547
485	my @res = Coro::Util::fork_eval {	548	my @res = Coro::Util::fork_eval {
486	reset_signals;	549	reset_signals;
487	&$cb	550	&$cb
488	}, @args;	551	}, @args;
489		552
490	wantarray ? @res : $res[-1]	553	wantarray ? @res : $res[-1]
491	}	554	}
492		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
493	=item $value = cf::db_get $family => $key	583	=item $value = cf::db_get $family => $key
494		584
495	Returns a single value from the environment database.	585	Returns a single value from the environment database.
496		586
497	=item cf::db_put $family => $key => $value	587	=item cf::db_put $family => $key => $value
498		588
499	Stores the given C<$value> in the family. It can currently store binary	589	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
502	=cut	597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
503		615
504	our $DB;	616	our $DB;
505		617
506	sub db_init {	618	sub db_init {
507	unless ($DB) {
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {	619	cf::sync_job {
511	eval {	620	$DB ||= db_table "db";
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}	621	};
521	}	622	}
522		623
523	sub db_get($$) {	624	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	625	my $key = "$_[0]/$_[1]";
525		626
…		…
575	if (1) {	676	if (1) {
576	$md5 =	677	$md5 =
577	join "\x00",	678	join "\x00",
578	$processversion,	679	$processversion,
579	map {	680	map {
580	Coro::cede;	681	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	682	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	683	} 0.. $#$src;
583		684
584		685
585	my $dbmd5 = db_get cache => "$id/md5";	686	my $dbmd5 = db_get cache => "$id/md5";
…		…
629	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
631		732
632	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	735	Deliantra).
635		736
636	=over 4	737	=over 4
637		738
638	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
639		740
…		…
921	}	1022	}
922		1023
923	0	1024	0
924	}	1025	}
925		1026
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1028
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1030
930	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
931		1032
…		…
937		1038
938	=cut	1039	=cut
939		1040
940	#############################################################################	1041	#############################################################################
941	# object support	1042	# object support
942	#
943		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
944	sub _can_merge {	1077	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1078	my ($ob1, $ob2) = @_;
946		1079
947	local $Storable::canonical = 1;	1080	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1081
951	$fob1 eq $fob2	1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
952	}	1084	}
953		1085
954	sub reattach {	1086	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1088	my ($obj) = @_;
…		…
978	cf::attachable->attach (	1110	cf::attachable->attach (
979	prio => -1000000,	1111	prio => -1000000,
980	on_instantiate => sub {	1112	on_instantiate => sub {
981	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
982		1114
983	$data = from_json $data;	1115	$data = decode_json $data;
984		1116
985	for (@$data) {	1117	for (@$data) {
986	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
987		1119
988	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1136	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
1006		1138
1007	sync_job {	1139	sync_job {
1008	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
1011		1144
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
1016	close $fh;	1149	close $fh;
1017		1150
1018	if (@$objs) {	1151	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1024	close $fh;	1157	close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1159	}
…		…
1034	}	1167	}
1035	} else {	1168	} else {
1036	aio_unlink $filename;	1169	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
1038	}	1171	}
1039	}	1172	};
1040	}	1173	}
1041		1174
1042	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
1044		1177
…		…
1056	or return;	1189	or return;
1057		1190
1058	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1193	or return;
		1194
1061	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
1062	}	1197	}
1063		1198
		1199	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1201	$decname, length $data, scalar @{$av || []};
		1202
1066	return ($data, $av);	1203	($data, $av)
1067	}	1204	}
1068		1205
1069	=head2 COMMAND CALLBACKS	1206	=head2 COMMAND CALLBACKS
1070		1207
1071	=over 4	1208	=over 4
…		…
1220	my $msg = $@ ? "$v->{path}: $@\n"	1357	my $msg = $@ ? "$v->{path}: $@\n"
1221	: "$v->{base}: extension inactive.\n";	1358	: "$v->{base}: extension inactive.\n";
1222		1359
1223	if (exists $v->{meta}{mandatory}) {	1360	if (exists $v->{meta}{mandatory}) {
1224	warn $msg;	1361	warn $msg;
1225	warn "mandatory extension failed to load, exiting.\n";	1362	cf::cleanup "mandatory extension failed to load, exiting.";
1226	exit 1;
1227	}	1363	}
1228		1364
1229	warn $msg;	1365	warn $msg;
1230	}	1366	}
1231		1367
…		…
1256	use Coro::AIO;	1392	use Coro::AIO;
1257		1393
1258	=head3 cf::player	1394	=head3 cf::player
1259		1395
1260	=over 4	1396	=over 4
		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
1261		1411
1262	=item cf::player::find $login	1412	=item cf::player::find $login
1263		1413
1264	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
1265		1415
…		…
1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1304	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
1305		1455
1306	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1307	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1308	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1309	}	1464	}
1310	}	1465	}
1311	}	1466	}
1312		1467
…		…
1321	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1322		1477
1323	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1324	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1325		1480
		1481	cf::get_slot 0.01;
		1482
1326	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1327	Coro::cede;	1484	cf::cede_to_tick;
1328	}	1485	}
1329		1486
1330	sub new($) {	1487	sub new($) {
1331	my ($login) = @_;	1488	my ($login) = @_;
1332		1489
…		…
1410	or return [];	1567	or return [];
1411		1568
1412	my @logins;	1569	my @logins;
1413		1570
1414	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1416	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1417	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1418		1580
1419	utf8::decode $login;	1581	utf8::decode $login;
1420	push @logins, $login;	1582	push @logins, $login;
1421	}	1583	}
1422		1584
…		…
1455		1617
1456	Expand crossfire pod fragments into protocol xml.	1618	Expand crossfire pod fragments into protocol xml.
1457		1619
1458	=cut	1620	=cut
1459		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
1460	sub expand_cfpod {	1633	sub expand_cfpod {
1461	((my $self), (local $_)) = @_;	1634	my ($self, $pod) = @_;
1462		1635
1463	# escape & and <	1636	my $xml;
1464	s/&/&amp;/g;
1465	s/(?<![BIUGH])</&lt;/g;
1466		1637
1467	# this is buggy, it needs to properly take care of nested <'s	1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
1468		1641
1469	1 while	1642	$group =~ s/&/&amp;/g;
1470	# replace B<>, I<>, U<> etc.	1643	$group =~ s/</&lt;/g;
1471	s/B<([^\>]*)>/<b>$1<\/b>/	1644
1472	|| s/I<([^\>]*)>/<i>$1<\/i>/	1645	$xml .= $group;
1473	|| s/U<([^\>]*)>/<u>$1<\/u>/	1646	} elsif ($pod =~ m%\G
1474	# replace G<male|female> tags	1647	([BCGHITU])
1475	|| s{G<([^>|]*)\|([^>]*)>}{	1648	<
1476	$self->gender ? $2 : $1	1649	(?:
1477	}ge	1650	([^<>]*) (?{ $group = $^N })
1478	# replace H<hint text>	1651	| < $interior >
1479	|| s{H<([^\>]*)>}	1652	)
		1653	>
		1654	%gcsx
1480	{	1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",	1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",	1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1483	"")	1675	"")
1484	[$self->{hintmode}]	1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
1485	}ge;	1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
1486		1687
		1688	for ($xml) {
1487	# create single paragraphs (very hackish)	1689	# create single paragraphs (very hackish)
1488	s/(?<=\S)\n(?=\w)/ /g;	1690	s/(?<=\S)\n(?=\w)/ /g;
1489		1691
1490	# compress some whitespace	1692	# compress some whitespace
1491	s/\s+\n/\n/g; # ws line-ends	1693	s/\s+\n/\n/g; # ws line-ends
1492	s/\n\n+/\n/g; # double lines	1694	s/\n\n+/\n/g; # double lines
1493	s/^\n+//; # beginning lines	1695	s/^\n+//; # beginning lines
1494	s/\n+$//; # ending lines	1696	s/\n+$//; # ending lines
		1697	}
1495		1698
1496	$_	1699	$xml
1497	}	1700	}
		1701
		1702	no re 'eval';
1498		1703
1499	sub hintmode {	1704	sub hintmode {
1500	$_[0]{hintmode} = $_[1] if @_ > 1;	1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1501	$_[0]{hintmode}	1706	$_[0]{hintmode}
1502	}	1707	}
…		…
1574	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1575	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1576		1781
1577	sub generate_random_map {	1782	sub generate_random_map {
1578	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1579	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1580	$self->_create_random_map (	1788	$self->_create_random_map (
1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1705		1913
1706	# the temporary/swap location	1914	# the temporary/swap location
1707	sub save_path {	1915	sub save_path {
1708	my ($self) = @_;	1916	my ($self) = @_;
1709		1917
1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1711	"$TMPDIR/$path.map"	1919	"$TMPDIR/$path.map"
1712	}	1920	}
1713		1921
1714	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1715	sub uniq_path {	1923	sub uniq_path {
1716	my ($self) = @_;	1924	my ($self) = @_;
1717		1925
1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1719	"$UNIQUEDIR/$path"	1927	"$UNIQUEDIR/$path"
1720	}	1928	}
1721		1929
1722	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1723	# all maps in C++...	1931	# all maps in C++...
…		…
1746		1954
1747	sub load_header_from($) {	1955	sub load_header_from($) {
1748	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1749		1957
1750	utf8::encode $path;	1958	utf8::encode $path;
1751	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1752	# or return;
1753
1754	$self->_load_header ($path)
1755	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1756		1967
1757	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1758		1969
1759	1	1970	1
1760	}	1971	}
…		…
1814	sub find {	2025	sub find {
1815	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1816		2027
1817	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1818		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1819	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1820		2032
1821	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1822	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1823	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1824	or return;	2038	or return;
1825		2039
1826	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1827		2041
…		…
1829	or return;	2043	or return;
1830		2044
1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1832	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1833	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1834	$map->reset;	2050	$map->reset;
1835	undef $guard;
1836	return find $path;	2051	return find $path;
1837	}	2052	}
1838		2053
1839	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1840	}	2055	}
…		…
1849	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1850		2065
1851	my $path = $self->{path};	2066	my $path = $self->{path};
1852		2067
1853	{	2068	{
1854	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1855		2070
		2071	return unless $self->valid;
1856	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1857		2073
1858	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1859		2075
1860	$self->alloc;	2076	$self->alloc;
1861		2077
1862	$self->pre_load;	2078	$self->pre_load;
1863	Coro::cede;	2079	cf::cede_to_tick;
1864		2080
		2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
1865	$self->_load_objects ($self->{load_path}, 1)	2083	$self->_load_objects ($f)
1866	or return;	2084	or return;
1867		2085
1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1869	if delete $self->{load_original};	2087	if delete $self->{load_original};
1870		2088
1871	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1872	utf8::encode $uniq;	2090	utf8::encode $uniq;
1873	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1874	$self->clear_unique_items;	2093	$self->clear_unique_items;
1875	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1876	}	2097	}
1877	}	2098	}
1878		2099
1879	Coro::cede;	2100	$f->resolve_delayed_derefs;
		2101
		2102	cf::cede_to_tick;
1880	# now do the right thing for maps	2103	# now do the right thing for maps
1881	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1882	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1883	unless $self->difficulty;	2106	unless $self->difficulty;
1884	Coro::cede;	2107	cf::cede_to_tick;
1885		2108
1886	unless ($self->{deny_activate}) {	2109	unless ($self->{deny_activate}) {
1887	$self->decay_objects;	2110	$self->decay_objects;
1888	$self->fix_auto_apply;	2111	$self->fix_auto_apply;
1889	$self->update_buttons;	2112	$self->update_buttons;
1890	Coro::cede;	2113	cf::cede_to_tick;
1891	$self->set_darkness_map;	2114	$self->set_darkness_map;
1892	Coro::cede;	2115	cf::cede_to_tick;
1893	$self->activate;	2116	$self->activate;
1894	}	2117	}
1895		2118
1896	$self->{last_save} = $cf::RUNTIME;	2119	$self->{last_save} = $cf::RUNTIME;
1897	$self->last_access ($cf::RUNTIME);	2120	$self->last_access ($cf::RUNTIME);
1898		2121
1899	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1900	}	2123	}
1901		2124
1902	$self->post_load;	2125	$self->post_load;
1903	}	2126	}
1904		2127
…		…
1962	my ($path, $origin, $load) = @_;	2185	my ($path, $origin, $load) = @_;
1963		2186
1964	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1965		2188
1966	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1968	}	2191	}
1969		2192
1970	$MAP_PREFETCH{$path} |= $load;	2193	$MAP_PREFETCH{$path} |= $load;
1971		2194
1972	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1973	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1974	while (my ($k, $v) = each %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1975	if (my $map = find $k) {	2200	if (my $map = find $k) {
1976	$map->load if $v;	2201	$map->load if $v;
1977	}	2202	}
…		…
1987	}	2212	}
1988		2213
1989	sub save {	2214	sub save {
1990	my ($self) = @_;	2215	my ($self) = @_;
1991		2216
1992	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2218
1994	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1995		2220
1996	return unless $self->dirty;	2221	return unless $self->dirty;
1997		2222
…		…
2003	return if $self->{deny_save};	2228	return if $self->{deny_save};
2004		2229
2005	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
2006		2231
2007	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
2008	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
2009	};	2235	};
		2236
		2237	cf::get_slot 0.02;
2010		2238
2011	if ($uniq) {	2239	if ($uniq) {
2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2014	} else {	2242	} else {
…		…
2020	my ($self) = @_;	2248	my ($self) = @_;
2021		2249
2022	# save first because save cedes	2250	# save first because save cedes
2023	$self->save;	2251	$self->save;
2024		2252
2025	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
2026		2254
2027	return if $self->players;	2255	return if $self->players;
2028	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
2029	return if $self->{deny_save};	2257	return if $self->{deny_save};
2030		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
2031	$self->clear;	2263	$self->clear;
2032	$self->in_memory (cf::MAP_SWAPPED);
2033	}	2264	}
2034		2265
2035	sub reset_at {	2266	sub reset_at {
2036	my ($self) = @_;	2267	my ($self) = @_;
2037		2268
…		…
2069	if $uniq;	2300	if $uniq;
2070	}	2301	}
2071		2302
2072	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
2073		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
2074	$self->clear;	2307	$self->clear;
2075
2076	$_->clear_links_to ($self) for values %cf::MAP;
2077		2308
2078	$self->unlink_save;	2309	$self->unlink_save;
2079	$self->destroy;	2310	$self->destroy;
2080	}	2311	}
2081		2312
2082	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
2083		2314
2084	sub nuke {	2315	sub nuke {
2085	my ($self) = @_;	2316	my ($self) = @_;
2086		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
2087	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
2088		2322
2089	$self->unlink_save;	2323	$self->unlink_save;
2090		2324
2091	bless $self, "cf::map";	2325	bless $self, "cf::map";
2092	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
2093	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
2094	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2096		2330
2097	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
2098		2333
2099	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
2100	}	2335	}
2101		2336
2102	=item $maps = cf::map::tmp_maps	2337	=item $maps = cf::map::tmp_maps
…		…
2144		2379
2145	sub unique_maps() {	2380	sub unique_maps() {
2146	[	2381	[
2147	map {	2382	map {
2148	utf8::decode $_;	2383	utf8::decode $_;
2149	/\.map$/	2384	s/\.map$//; # TODO future compatibility hack
		2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2386	? ()
2150	? normalise $_	2387	: normalise $_
2151	: ()
2152	} @{ aio_readdir $UNIQUEDIR or [] }	2388	} @{ aio_readdir $UNIQUEDIR or [] }
2153	]	2389	]
2154	}	2390	}
2155		2391
2156	package cf;
2157
2158	=back	2392	=back
2159		2393
2160	=head3 cf::object	2394	=head3 cf::object
2161		2395
2162	=cut	2396	=cut
…		…
2165		2399
2166	=over 4	2400	=over 4
2167		2401
2168	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
2169		2403
2170	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
2171		2406
2172	=cut	2407	=cut
2173		2408
2174	sub inv_recursive_;	2409	sub inv_recursive_;
2175	sub inv_recursive_ {	2410	sub inv_recursive_ {
2176	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
2177	}	2412	}
2178		2413
2179	sub inv_recursive {	2414	sub inv_recursive {
2180	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
2181	}	2444	}
2182		2445
2183	package cf;	2446	package cf;
2184		2447
2185	=back	2448	=back
…		…
2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2346		2609
2347	$self->enter_link;	2610	$self->enter_link;
2348		2611
2349	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
2350	my $map = eval {	2634	my $map = eval {
2351	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
2352		2636
2353	if ($map) {	2637	if ($map) {
2354	$map = $map->customise_for ($self);	2638	$map = $map->customise_for ($self);
2355	$map = $check->($map) if $check && $map;	2639	$map = $check->($map) if $check && $map;
2356	} else {	2640	} else {
2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2358	}	2642	}
2359		2643
2360	$map	2644	$map
2361	};	2645	};
2362		2646
…		…
2415	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
2416	}	2700	}
2417		2701
2418	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
2419		2703
2420	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2421	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
2422	my $meta = "$RANDOMDIR/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
2423		2707
2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2425	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
…		…
2452	# if exit is damned, update players death & WoR home-position	2736	# if exit is damned, update players death & WoR home-position
2453	$self->contr->savebed ($slaying, $hp, $sp)	2737	$self->contr->savebed ($slaying, $hp, $sp)
2454	if $exit->flag (FLAG_DAMNED);	2738	if $exit->flag (FLAG_DAMNED);
2455		2739
2456	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2457	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2458	unless (eval {	2744	unless (eval {
2459	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2460		2746
2461	1;	2747	1;
…		…
2496	the message, with C<log> being the default. If C<$color> is negative, suppress	2782	the message, with C<log> being the default. If C<$color> is negative, suppress
2497	the message unless the client supports the msg packet.	2783	the message unless the client supports the msg packet.
2498		2784
2499	=cut	2785	=cut
2500		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
2501	sub cf::client::send_msg {	2839	sub cf::client::send_msg {
2502	my ($self, $channel, $msg, $color, @extra) = @_;	2840	my ($self, $channel, $msg, $color, @extra) = @_;
2503		2841
2504	$msg = $self->pl->expand_cfpod ($msg);	2842	$msg = $self->pl->expand_cfpod ($msg);
2505		2843
2506	$color &= cf::NDI_CLIENT_MASK; # just in case...	2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
2507		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
2508	if (ref $channel) {	2855	} elsif (ref $channel) {
2509	# send meta info to client, if not yet sent	2856	# send meta info to client, if not yet sent
2510	unless (exists $self->{channel}{$channel->{id}}) {	2857	unless (exists $self->{channel}{$channel->{id}}) {
2511	$self->{channel}{$channel->{id}} = $channel;	2858	$self->{channel}{$channel->{id}} = $channel;
2512	$self->ext_msg (channel_info => $channel);	2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
2513	}	2861	}
2514		2862
2515	$channel = $channel->{id};	2863	$channel = $channel->{id};
2516	}	2864	}
2517		2865
…		…
2729	=pod	3077	=pod
2730		3078
2731	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2732		3080
2733	cf::object	3081	cf::object
2734	contr pay_amount pay_player map x y force_find force_add	3082	contr pay_amount pay_player map x y force_find force_add destroy
2735	insert remove name archname title slaying race decrease_ob_nr	3083	insert remove name archname title slaying race decrease split
2736		3084
2737	cf::object::player	3085	cf::object::player
2738	player	3086	player
2739		3087
2740	cf::player	3088	cf::player
…		…
2746	=cut	3094	=cut
2747		3095
2748	for (	3096	for (
2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2750	insert remove inv name archname title slaying race	3098	insert remove inv name archname title slaying race
2751	decrease_ob_nr)],	3099	decrease split destroy)],
2752	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2753	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2754	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2755	) {	3103	) {
2756	no strict 'refs';	3104	no strict 'refs';
…		…
2832	# the server's init and main functions	3180	# the server's init and main functions
2833		3181
2834	sub load_facedata($) {	3182	sub load_facedata($) {
2835	my ($path) = @_;	3183	my ($path) = @_;
2836		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
2837	my $enc = JSON::XS->new->utf8->canonical;	3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2838		3190
2839	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2840		3192
2841	my $facedata;	3193	my $facedata;
2842	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2857	{	3209	{
2858	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2859		3211
2860	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2862	cf::face::set_visibility $idx, $info->{visibility};	3215	cf::face::set_visibility $idx, $info->{visibility};
2863	cf::face::set_magicmap $idx, $info->{magicmap};	3216	cf::face::set_magicmap $idx, $info->{magicmap};
2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2866		3219
2867	cf::cede_to_tick;	3220	cf::cede_to_tick;
2868	}	3221	}
2869		3222
2870	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2871	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2872	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2873	or next;	3227	or next;
		3228
2874	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
2875	cf::face::set_smooth $idx, $smooth;	3230	cf::face::set_smooth $idx, $smooth;
2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2877	} else {	3232	} else {
2878	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
2896	{	3251	{
2897	# TODO: for gcfclient pleasure, we should give resources	3252	# TODO: for gcfclient pleasure, we should give resources
2898	# that gcfclient doesn't grok a >10000 face index.	3253	# that gcfclient doesn't grok a >10000 face index.
2899	my $res = $facedata->{resource};	3254	my $res = $facedata->{resource};
2900		3255
2901	my $soundconf = delete $res->{"res/sound.conf"};
2902
2903	while (my ($name, $info) = each %$res) {	3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2905	my $data;	3259	my $data;
2906		3260
2907	if ($info->{type} & 1) {	3261	if ($info->{type} & 1) {
2908	# prepend meta info	3262	# prepend meta info
2909		3263
2910	my $meta = $enc->encode ({	3264	my $meta = $enc->encode ({
2911	name => $name,	3265	name => $name,
2912	%{ $info->{meta} || {} },	3266	%{ $info->{meta} || {} },
2913	});	3267	});
2914		3268
2915	$data = pack "(w/a*)*", $meta, $info->{data};	3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
2916	} else {	3276	} else {
2917	$data = $info->{data};	3277	$RESOURCE{$name} = $info;
2918	}	3278	}
2919		3279
2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2921	cf::face::set_type $idx, $info->{type};
2922
2923	cf::cede_to_tick;	3280	cf::cede_to_tick;
2924	}	3281	}
2925
2926	if ($soundconf) {
2927	$soundconf = $enc->decode (delete $soundconf->{data});
2928
2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2930	my $sound = $soundconf->{compat}[$_]
2931	or next;
2932
2933	my $face = cf::face::find "sound/$sound->[1]";
2934	cf::sound::set $sound->[0] => $face;
2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2936	}
2937
2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
2939	my $face = cf::face::find "sound/$v";
2940	cf::sound::set $k => $face;
2941	}
2942	}
2943	}	3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2944		3285
2945	1	3286	1
2946	}	3287	}
		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
2947		3308
2948	register_exticmd fx_want => sub {	3309	register_exticmd fx_want => sub {
2949	my ($ns, $want) = @_;	3310	my ($ns, $want) = @_;
2950		3311
2951	while (my ($k, $v) = each %$want) {	3312	while (my ($k, $v) = each %$want) {
2952	$ns->fx_want ($k, $v);	3313	$ns->fx_want ($k, $v);
2953	}	3314	}
2954	};	3315	};
2955		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
2956	sub reload_regions {	3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
2957	load_resource_file "$MAPDIR/regions"	3332	load_resource_file "$MAPDIR/regions"
2958	or die "unable to load regions file\n";	3333	or die "unable to load regions file\n";
2959		3334
2960	for (cf::region::list) {	3335	for (cf::region::list) {
2961	$_->{match} = qr/$_->{match}/	3336	$_->{match} = qr/$_->{match}/
…		…
2969	}	3344	}
2970		3345
2971	sub reload_archetypes {	3346	sub reload_archetypes {
2972	load_resource_file "$DATADIR/archetypes"	3347	load_resource_file "$DATADIR/archetypes"
2973	or die "unable to load archetypes\n";	3348	or die "unable to load archetypes\n";
2974	#d# NEED to laod twice to resolve forward references
2975	# this really needs to be done in an extra post-pass
2976	# (which needs to be synchronous, so solve it differently)
2977	load_resource_file "$DATADIR/archetypes"
2978	or die "unable to load archetypes\n";
2979	}	3349	}
2980		3350
2981	sub reload_treasures {	3351	sub reload_treasures {
2982	load_resource_file "$DATADIR/treasures"	3352	load_resource_file "$DATADIR/treasures"
2983	or die "unable to load treasurelists\n";	3353	or die "unable to load treasurelists\n";
2984	}	3354	}
2985		3355
2986	sub reload_resources {	3356	sub reload_resources {
2987	warn "reloading resource files...\n";	3357	warn "reloading resource files...\n";
2988		3358
		3359	reload_facedata;
		3360	reload_archetypes;
2989	reload_regions;	3361	reload_regions;
2990	reload_facedata;
2991	#reload_archetypes;#d#
2992	reload_archetypes;
2993	reload_treasures;	3362	reload_treasures;
2994		3363
2995	warn "finished reloading resource files\n";	3364	warn "finished reloading resource files\n";
2996	}	3365	}
2997		3366
2998	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2999	reload_resources;	3370	reload_resources;
3000	}	3371	}
3001		3372
3002	sub cfg_load {	3373	sub reload_config {
3003	open my $fh, "<:utf8", "$CONFDIR/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
3004	or return;	3375	or return;
3005		3376
3006	local $/;	3377	local $/;
3007	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
3008		3379
3009	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3010		3381
3011	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3012	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3023	sub main {	3394	sub main {
3024	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
3025	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
3026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3027	(async {	3398	(async {
3028	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
3029	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
3030	};	3402	};
3031		3403
3032	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
3033	db_init;	3407	db_init;
3034	load_extensions;	3408	load_extensions;
3035		3409
3036	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
3037	Event::loop;	3414	EV::loop;
3038	}	3415	}
3039		3416
3040	#############################################################################	3417	#############################################################################
3041	# initialisation and cleanup	3418	# initialisation and cleanup
3042		3419
3043	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
3044	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
3045	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
3046	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3047	reentrant => 0,
3048	data => WF_AUTOCANCEL,
3049	signal => $signal,
3050	prio => 0,
3051	cb => sub {
3052	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
3053	},
3054	);	3426	};
3055	}	3427	}
3056	}	3428	}
3057		3429
3058	sub write_runtime {	3430	sub write_runtime_sync {
3059	my $runtime = "$LOCALDIR/runtime";	3431	my $runtime = "$LOCALDIR/runtime";
3060		3432
3061	# first touch the runtime file to show we are still running:	3433	# first touch the runtime file to show we are still running:
3062	# the fsync below can take a very very long time.	3434	# the fsync below can take a very very long time.
3063		3435
…		…
3089	and return;	3461	and return;
3090		3462
3091	warn "runtime file written.\n";	3463	warn "runtime file written.\n";
3092		3464
3093	1	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
3094	}	3509	}
3095		3510
3096	sub emergency_save() {	3511	sub emergency_save() {
3097	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
3098		3513
…		…
3104	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
3105	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
3106	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
3107	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
3108	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3109	$pl->save;	3525	$pl->save;
3110	}	3526	}
3111	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
3112		3528
3113	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
3119	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
3120		3536
3121	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
3122	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
3123	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
3124	};	3544	};
3125		3545
3126	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
3127	}	3547	}
3128		3548
…		…
3143	warn "reloading...";	3563	warn "reloading...";
3144		3564
3145	warn "entering sync_job";	3565	warn "entering sync_job";
3146		3566
3147	cf::sync_job {	3567	cf::sync_job {
3148	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
3149	cf::emergency_save;	3569	cf::emergency_save;
3150	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
3151		3571
3152	warn "syncing database to disk";	3572	warn "syncing database to disk";
3153	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3154		3574
3155	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
3156
3157	warn "cancelling all WF_AUTOCANCEL watchers";
3158	for (Event::all_watchers) {
3159	$_->cancel if $_->data & WF_AUTOCANCEL;
3160	}
3161		3576
3162	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
3163	for (;;) {	3578	for (;;) {
3164	BDB::flush;	3579	BDB::flush;
3165	IO::AIO::flush;	3580	IO::AIO::flush;
3166	Coro::cede;	3581	Coro::cede_notself;
3167	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
3168	warn "iterate...";	3583	warn "iterate...";
3169	}	3584	}
3170		3585
3171	++$RELOAD;	3586	++$RELOAD;
…		…
3230	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
3231	require cf;	3646	require cf;
3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3233		3648
3234	warn "loading config and database again";	3649	warn "loading config and database again";
3235	cf::cfg_load;	3650	cf::reload_config;
3236		3651
3237	warn "loading extensions";	3652	warn "loading extensions";
3238	cf::load_extensions;	3653	cf::load_extensions;
3239		3654
3240	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
3247	warn "leaving sync_job";	3662	warn "leaving sync_job";
3248		3663
3249	1	3664	1
3250	} or do {	3665	} or do {
3251	warn $@;	3666	warn $@;
3252	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
3253	exit 1;
3254	};	3668	};
3255		3669
3256	warn "reloaded";	3670	warn "reloaded";
3257	};	3671	};
3258		3672
…		…
3260		3674
3261	sub reload_perl() {	3675	sub reload_perl() {
3262	# doing reload synchronously and two reloads happen back-to-back,	3676	# doing reload synchronously and two reloads happen back-to-back,
3263	# coro crashes during coro_state_free->destroy here.	3677	# coro crashes during coro_state_free->destroy here.
3264		3678
3265	$RELOAD_WATCHER ||= Event->timer (	3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3266	reentrant => 0,
3267	after => 0,
3268	data => WF_AUTOCANCEL,
3269	cb => sub {
3270	do_reload_perl;	3680	do_reload_perl;
3271	undef $RELOAD_WATCHER;	3681	undef $RELOAD_WATCHER;
3272	},
3273	);	3682	};
3274	}	3683	}
3275		3684
3276	register_command "reload" => sub {	3685	register_command "reload" => sub {
3277	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
3278		3687
3279	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
3280	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
		3690	async {
		3691	$Coro::current->{desc} = "perl_reload";
3281	async { reload_perl };	3692	reload_perl;
		3693	};
3282	}	3694	}
3283	};	3695	};
3284		3696
3285	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
3286		3698
…		…
3288		3700
3289	our @WAIT_FOR_TICK;	3701	our @WAIT_FOR_TICK;
3290	our @WAIT_FOR_TICK_BEGIN;	3702	our @WAIT_FOR_TICK_BEGIN;
3291		3703
3292	sub wait_for_tick {	3704	sub wait_for_tick {
3293	return unless $TICK_WATCHER->is_active;
3294	return if $Coro::current == $Coro::main;	3705	return if tick_inhibit || $Coro::current == $Coro::main;
3295		3706
3296	my $signal = new Coro::Signal;	3707	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK, $signal;	3708	push @WAIT_FOR_TICK, $signal;
3298	$signal->wait;	3709	$signal->wait;
3299	}	3710	}
3300		3711
3301	sub wait_for_tick_begin {	3712	sub wait_for_tick_begin {
3302	return unless $TICK_WATCHER->is_active;
3303	return if $Coro::current == $Coro::main;	3713	return if tick_inhibit || $Coro::current == $Coro::main;
3304		3714
3305	my $signal = new Coro::Signal;	3715	my $signal = new Coro::Signal;
3306	push @WAIT_FOR_TICK_BEGIN, $signal;	3716	push @WAIT_FOR_TICK_BEGIN, $signal;
3307	$signal->wait;	3717	$signal->wait;
3308	}	3718	}
3309		3719
3310	my $min = 1e6;#d#	3720	sub tick {
3311	my $avg = 10;
3312	$TICK_WATCHER = Event->timer (
3313	reentrant => 0,
3314	parked => 1,
3315	prio => 0,
3316	at => $NEXT_TICK || $TICK,
3317	data => WF_AUTOCANCEL,
3318	cb => sub {
3319	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3321	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
3322	return;	3724	return;
3323	}	3725	}
3324		3726
3325	$NOW = $tick_start = Event::time;
3326
3327	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
3328		3728
3329	0 && sync_job {#d#	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3330	for(1..10) {	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3331	my $t = Event::time;	3731	Coro::async_pool {
3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3732	$Coro::current->{desc} = "runtime saver";
3333	or die;	3733	write_runtime_sync
3334		3734	or warn "ERROR: unable to write runtime file: $!";
3335	$map->width (50);
3336	$map->height (50);
3337	$map->alloc;
3338	$map->_load_objects ("/tmp/x.map", 1);
3339	my $t = Event::time - $t;
3340
3341	#next unless $t < 0.0013;#d#
3342	if ($t < $min) {
3343	$min = $t;
3344	}
3345	$avg = $avg * 0.99 + $t * 0.01;
3346	}
3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3348	exit 0;
3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3350	};	3735	};
		3736	}
3351		3737
3352	$RUNTIME += $TICK;
3353	$NEXT_TICK += $TICK;
3354
3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
3357	Coro::async_pool {
3358	write_runtime
3359	or warn "ERROR: unable to write runtime file: $!";
3360	};
3361	}
3362
3363	# my $AFTER = Event::time;
3364	# warn $AFTER - $NOW;#d#
3365
3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3367	$sig->send;	3739	$sig->send;
3368	}	3740	}
3369	while (my $sig = shift @WAIT_FOR_TICK) {	3741	while (my $sig = shift @WAIT_FOR_TICK) {
3370	$sig->send;	3742	$sig->send;
3371	}	3743	}
3372		3744
3373	$NOW = Event::time;	3745	$LOAD = ($NOW - $TICK_START) / $TICK;
3374
3375	# if we are delayed by four ticks or more, skip them all
3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3377
3378	$TICK_WATCHER->at ($NEXT_TICK);
3379	$TICK_WATCHER->start;
3380
3381	$LOAD = ($NOW - $tick_start) / $TICK;
3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3383		3747
3384	_post_tick;	3748	if (0) {
3385		3749	if ($NEXT_TICK) {
3386		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
3387	},	3754	}
3388	);	3755	}
3389		3756
3390	{	3757	{
3391	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
3392	$BDB_POLL_WATCHER = Event->io (	3759
3393	reentrant => 0,
3394	fd => BDB::poll_fileno,
3395	poll => 'r',
3396	prio => 0,
3397	data => WF_AUTOCANCEL,
3398	cb => \&BDB::poll_cb,
3399	);
3400	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
3401		3761	BDB::max_poll_reqs $TICK * 0.1;
3402	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
3403	my $status;
3404	my $current = $Coro::current;
3405	(
3406	sub {
3407	$status = $!;
3408	$current->ready; undef $current;
3409	},
3410	sub {
3411	Coro::schedule while defined $current;
3412	$! = $status;
3413	},
3414	)
3415	};
3416		3763
3417	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
3418	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3419		3770
3420	cf::sync_job {	3771	cf::sync_job {
3421	eval {	3772	eval {
3422	BDB::db_env_open	3773	BDB::db_env_open
3423	$DB_ENV,	3774	$DB_ENV,
…		…
3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3427	0666;	3778	0666;
3428		3779
3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3430
3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3432	$DB_ENV->set_lk_detect;
3433	};	3781	};
3434		3782
3435	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
3436	};	3784	};
3437	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
3438	}	3796	}
3439		3797
3440	{	3798	{
		3799	# configure IO::AIO
		3800
3441	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
3442
3443	undef $Coro::AIO::WATCHER;
3444	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
3445	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
3446	reentrant => 0,
3447	data => WF_AUTOCANCEL,
3448	fd => IO::AIO::poll_fileno,
3449	poll => 'r',
3450	prio => 6,
3451	cb => \&IO::AIO::poll_cb,
3452	);
3453	}	3804	}
3454		3805
3455	my $_log_backtrace;	3806	my $_log_backtrace;
3456		3807
3457	sub _log_backtrace {	3808	sub _log_backtrace {
…		…
3461		3812
3462	# limit the # of concurrent backtraces	3813	# limit the # of concurrent backtraces
3463	if ($_log_backtrace < 2) {	3814	if ($_log_backtrace < 2) {
3464	++$_log_backtrace;	3815	++$_log_backtrace;
3465	async {	3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
3466	my @bt = fork_call {	3819	my @bt = fork_call {
3467	@addr = map { sprintf "%x", $_ } @addr;	3820	@addr = map { sprintf "%x", $_ } @addr;
3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3470	or die "addr2line: $!";	3823	or die "addr2line: $!";

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