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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
90	our %CFG;	117	our %CFG;
91		118
92	our $UPTIME; $UPTIME ||= time;	119	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	120	our $RUNTIME;
		121	our $NOW;
94		122
95	our (%PLAYER, %PLAYER_LOADING); # all users	123	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	124	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	125	our $LINK_MAP; # the special {link} map, which is always available
98		126
99	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		129
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		138
106	binmode STDOUT;	139	binmode STDOUT;
107	binmode STDERR;	140	binmode STDERR;
108		141
109	# read virtual server time, if available	142	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
114	}	147	}
115		148
116	mkdir $_	149	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		195
163	The raw value load value from the last tick.	196	The raw value load value from the last tick.
164		197
165	=item %cf::CFG	198	=item %cf::CFG
166		199
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	200	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	201	from wherever your confdir points to.
169		202
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	203	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		204
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	205	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		227
195	LOG llevError, $msg;	228	LOG llevError, $msg;
196	};	229	};
197	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
198		246
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	257	for my $pkg (qw(
210	cf::global cf::attachable	258	cf::global cf::attachable
211	cf::object cf::object::player	259	cf::object cf::object::player
212	cf::client cf::player	260	cf::client cf::player
213	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
214	cf::map cf::party cf::region	263	cf::party cf::region
215	)) {	264	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	266	}
219		267
220	$Event::DIED = sub {	268	$EV::DIED = sub {
221	warn "error in event callback: @_";	269	warn "error in event callback: @_";
222	};	270	};
223		271
224	#############################################################################	272	#############################################################################
225		273
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	296	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	297	$d
250	} || "[unable to dump $_[0]: '$@']";	298	} || "[unable to dump $_[0]: '$@']";
251	}	299	}
252		300
253	=item $ref = cf::from_json $json	301	=item $ref = cf::decode_json $json
254		302
255	Converts a JSON string into the corresponding perl data structure.	303	Converts a JSON string into the corresponding perl data structure.
256		304
257	=item $json = cf::to_json $ref	305	=item $json = cf::encode_json $ref
258		306
259	Converts a perl data structure into its JSON representation.	307	Converts a perl data structure into its JSON representation.
260		308
261	=cut	309	=cut
262		310
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		312
265	sub to_json ($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
267		329
268	=item cf::lock_wait $string	330	=item cf::lock_wait $string
269		331
270	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
271		333
272	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
273		335
274	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
277	returned.	339	returned.
278		340
279	Locks are *not* recursive, locking from the same coro twice results in a	341	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	342	deadlocked coro.
…		…
286		348
287	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
288		350
289	=cut	351	=cut
290		352
291	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		354
294	sub lock_wait($) {	355	sub lock_wait($) {
295	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	357	}
308		358
309	sub lock_acquire($) {	359	sub lock_acquire($) {
310	my ($key) = @_;	360	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	361	}
324		362
325	sub lock_active($) {	363	sub lock_active($) {
326	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	365	}
330		366
331	sub freeze_mainloop {	367	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
333		369
334	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	371	}
336	};	372
337	$TICK_WATCHER->stop;	373	=item cf::periodic $interval, $cb
338	$guard	374
		375	Like EV::periodic, but randomly selects a starting point so that the actions
		376	get spread over timer.
		377
		378	=cut
		379
		380	sub periodic($$) {
		381	my ($interval, $cb) = @_;
		382
		383	my $start = rand List::Util::min 180, $interval;
		384
		385	EV::periodic $start, $interval, 0, $cb
339	}	386	}
340		387
341	=item cf::get_slot $time[, $priority[, $name]]	388	=item cf::get_slot $time[, $priority[, $name]]
342		389
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	390	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	430	}
384	}	431	}
385	};	432	};
386		433
387	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
388	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
389		438
390	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
392		441
…		…
406		455
407	BEGIN { *async = \&Coro::async_pool }	456	BEGIN { *async = \&Coro::async_pool }
408		457
409	=item cf::sync_job { BLOCK }	458	=item cf::sync_job { BLOCK }
410		459
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	460	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	461	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	463	acceptable.
415		464
416	If it must be done, put the blocking parts into C<sync_job>. This will run	465	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	466	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		471
423	sub sync_job(&) {	472	sub sync_job(&) {
424	my ($job) = @_;	473	my ($job) = @_;
425		474
426	if ($Coro::current == $Coro::main) {	475	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	476	my $time = EV::time;
428		477
429	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
431		480
432	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
433		482
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
437		484
438	my $busy = 1;	485	my $busy = 1;
439	my @res;	486	my @res;
440		487
…		…
447		494
448	while ($busy) {	495	while ($busy) {
449	if (Coro::nready) {	496	if (Coro::nready) {
450	Coro::cede_notself;	497	Coro::cede_notself;
451	} else {	498	} else {
452	Event::one_event;	499	EV::loop EV::LOOP_ONESHOT;
453	}	500	}
454	}	501	}
455		502
456	$time = Event::time - $time;	503	my $time = EV::time - $time;
457		504
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
462		506
463	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
464	} else {	508	} else {
465	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
466		510
…		…
491	=item fork_call { }, $args	535	=item fork_call { }, $args
492		536
493	Executes the given code block with the given arguments in a seperate	537	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	538	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	539	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	540	never block itself or use any form of event handling.
497		541
498	=cut	542	=cut
499		543
500	sub fork_call(&@) {	544	sub fork_call(&@) {
501	my ($cb, @args) = @_;	545	my ($cb, @args) = @_;
…		…
508	reset_signals;	552	reset_signals;
509	&$cb	553	&$cb
510	}, @args;	554	}, @args;
511		555
512	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
513	}	584	}
514		585
515	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
516		587
517	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
656		727
657	#############################################################################	728	#############################################################################
658		729
659	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
660		731
661	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
662	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
664		735
665	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
666	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	738	Deliantra).
668		739
669	=over 4	740	=over 4
670		741
671	=item $attachable->attach ($attachment, key => $value...)	742	=item $attachable->attach ($attachment, key => $value...)
672		743
…		…
716	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
717		788
718	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
720		791
721	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
722	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
723		794
724	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
725		796
726	=over 4	797	=over 4
…		…
954	}	1025	}
955		1026
956	0	1027	0
957	}	1028	}
958		1029
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1031
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1033
963	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
964		1035
…		…
1017		1088
1018	sub reattach {	1089	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1091	my ($obj) = @_;
1021		1092
		1093	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1095
1024	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1025		1097
1026	@$registry = ();	1098	@$registry = ();
1027		1099
…		…
1042	cf::attachable->attach (	1114	cf::attachable->attach (
1043	prio => -1000000,	1115	prio => -1000000,
1044	on_instantiate => sub {	1116	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1117	my ($obj, $data) = @_;
1046		1118
1047	$data = from_json $data;	1119	$data = decode_json $data;
1048		1120
1049	for (@$data) {	1121	for (@$data) {
1050	my ($name, $args) = @$_;	1122	my ($name, $args) = @$_;
1051		1123
1052	$obj->attach ($name, %{$args || {} });	1124	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1076		1148
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1153	aio_close $fh;
1082		1154
1083	if (@$objs) {	1155	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1161	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1163	}
1092	} else {	1164	} else {
1093	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1094	}	1166	}
1095		1167
1096	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1172	} else {
1098	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1099	}	1174	}
1100	} else {	1175	} else {
1101	aio_unlink $filename;	1176	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1103	}	1178	}
…		…
1194	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1195		1270
1196	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1197	}	1272	}
1198		1273
		1274	use File::Glob ();
		1275
1199	cf::player->attach (	1276	cf::player->attach (
1200	on_command => sub {	1277	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1202		1279
1203	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1235		1312
1236	cf::override;	1313	cf::override;
1237	},	1314	},
1238	);	1315	);
1239		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1240	sub load_extensions {	1330	sub load_extensions {
1241	cf::sync_job {	1331	cf::sync_job {
1242	my %todo;	1332	my %todo;
1243		1333
1244	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1353
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1356
1267	$ext{source} =	1357	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1270	. $source	1360	. $source
1271	. "\n};\n1";	1361	. "\n};\n1";
1272		1362
1273	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1291		1381
1292	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1383	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1385	}
1297		1386
1298	warn $msg;	1387	warn $msg;
1299	}	1388	}
1300		1389
…		…
1314		1403
1315	=back	1404	=back
1316		1405
1317	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1318		1407
1319	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1320		1409
1321	=cut	1410	=cut
1322		1411
1323	package cf::player;	1412	package cf::player;
1324		1413
…		…
1367		1456
1368	sub exists($) {	1457	sub exists($) {
1369	my ($login) = @_;	1458	my ($login) = @_;
1370		1459
1371	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1373	}	1462	}
1374		1463
1375	sub find($) {	1464	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1466	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1479	or return;
1391		1480
1392	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1393	or return;	1482	or return;
		1483
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1397	}	1487	}
1398	}	1488	}
…		…
1408		1498
1409	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1410		1500
1411	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1413		1505
1414	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1507	cf::cede_to_tick;
1416	}	1508	}
1417		1509
…		…
1449	my ($pl) = @_;	1541	my ($pl) = @_;
1450		1542
1451	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1452		1544
1453	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1547
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1460		1554
1461	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1595
1502	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1503	my $path = path $login;	1597	my $path = path $login;
1504		1598
1505	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1605	}
1511		1606
…		…
1542	}	1637	}
1543		1638
1544	\@paths	1639	\@paths
1545	}	1640	}
1546		1641
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1643
1549	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1645
1598	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1599		1647
1600	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1601		1649
…		…
1668	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1670		1718
1671	sub generate_random_map {	1719	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1673	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1674	$self->_create_random_map (	1725	$self->_create_random_map (
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1799		1850
1800	# the temporary/swap location	1851	# the temporary/swap location
1801	sub save_path {	1852	sub save_path {
1802	my ($self) = @_;	1853	my ($self) = @_;
1803		1854
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1806	}	1857	}
1807		1858
1808	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1809	sub uniq_path {	1860	sub uniq_path {
1810	my ($self) = @_;	1861	my ($self) = @_;
1811		1862
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	1865	}
1824		1866
1825	sub decay_objects {	1867	sub decay_objects {
1826	my ($self) = @_;	1868	my ($self) = @_;
1827		1869
…		…
1911	sub find {	1953	sub find {
1912	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1913		1955
1914	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1915		1957
1916	cf::lock_wait "map_data:$path";#d#remove	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1918		1960
1919	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1924	or return;	1963	or return;
1925		1964
1926	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1927		1966
…		…
1929	or return;	1968	or return;
1930		1969
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1934	undef $guard1;	1974	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	1975	$map->reset;
1937	return find $path;	1976	return find $path;
1938	}	1977	}
1939		1978
1940	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2007	$f->skip_block;
1969	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
1970	or return;	2009	or return;
1971		2010
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1973	if delete $self->{load_original};	2012	if delete $self->{load_original};
1974		2013
1975	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2015	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
1995	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2035	$self->decay_objects;
1997	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
1998	$self->update_buttons;	2037	$self->update_buttons;
1999	cf::cede_to_tick;	2038	cf::cede_to_tick;
2000	$self->set_darkness_map;
2001	cf::cede_to_tick;
2002	$self->activate;	2039	$self->activate;
2003	}	2040	}
2004		2041
2005	$self->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
2007		2044
2008	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
2009	}	2046	}
2010		2047
2011	$self->post_load;	2048	$self->post_load;
2012	}	2049	}
2013		2050
…		…
2071	my ($path, $origin, $load) = @_;	2108	my ($path, $origin, $load) = @_;
2072		2109
2073	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
2074		2111
2075	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2077	}	2114	}
2078		2115
2079	$MAP_PREFETCH{$path} |= $load;	2116	$MAP_PREFETCH{$path} |= $load;
2080		2117
2081	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
…		…
2118	cf::async {	2155	cf::async {
2119	$Coro::current->{desc} = "map player save";	2156	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2121	};	2158	};
2122		2159
		2160	cf::get_slot 0.02;
		2161
2123	if ($uniq) {	2162	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2165	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2135	$self->save;	2174	$self->save;
2136		2175
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2177
2139	return if $self->players;	2178	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2141	return if $self->{deny_save};	2180	return if $self->{deny_save};
2142		2181
2143	$self->in_memory (cf::MAP_SWAPPED);	2182	$self->in_memory (cf::MAP_SWAPPED);
2144		2183
2145	$self->deactivate;	2184	$self->deactivate;
…		…
2263		2302
2264	sub unique_maps() {	2303	sub unique_maps() {
2265	[	2304	[
2266	map {	2305	map {
2267	utf8::decode $_;	2306	utf8::decode $_;
2268	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2269	? normalise $_	2310	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2312	]
2273	}	2313	}
2274		2314
2275	package cf;
2276
2277	=back	2315	=back
2278		2316
2279	=head3 cf::object	2317	=head3 cf::object
2280		2318
2281	=cut	2319	=cut
…		…
2284		2322
2285	=over 4	2323	=over 4
2286		2324
2287	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2288		2326
2289	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2290		2329
2291	=cut	2330	=cut
2292		2331
2293	sub inv_recursive_;	2332	sub inv_recursive_;
2294	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2300	}	2339	}
2301		2340
2302	=item $ref = $ob->ref	2341	=item $ref = $ob->ref
2303		2342
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2343	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2344
2306	=item $ob = cf::object::deref ($refstring)	2345	=item $ob = cf::object::deref ($refstring)
2307		2346
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2348	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2343		2382
2344	=cut	2383	=cut
2345		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
		2398
2346	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2400	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2403	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2416
2364	} else {	2417	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2420	}
2368	}	2421	}
2369	}	2422	}
2370		2423
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2449
2397	=item $player_object->enter_link	2450	=item $player_object->enter_link
2398		2451
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2453
2401	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2403		2458
2404	Will never block.	2459	Will never block.
2405		2460
2406	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2407		2462
…		…
2465		2520
2466	$map->load;	2521	$map->load;
2467	$map->load_neighbours;	2522	$map->load_neighbours;
2468		2523
2469	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2470	$self->activate_recursive;	2526	$self->activate_recursive;
2471		2527
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2474	}	2530	}
…		…
2478	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2483		2542
2484	=cut	2543	=cut
2485		2544
2486	our $GOTOGEN;	2545	our $GOTOGEN;
2487		2546
…		…
2566	}	2625	}
2567		2626
2568	sub prepare_random_map {	2627	sub prepare_random_map {
2569	my ($exit) = @_;	2628	my ($exit) = @_;
2570		2629
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2632	# that depends on the exit object
2576		2633
2577	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2636	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2584	}	2643	}
2585		2644
2586	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2587		2646
2588	my $data = cf::to_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2591		2650
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2653	undef $fh;
2595	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2596		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2599	}	2662	}
2600	}	2663	}
2601		2664
2602	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2604		2667
2605	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2606		2669
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2670	$self->enter_link;
2619		2671
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2672	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2673	$Coro::current->{desc} = "enter_exit";
2626		2674
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2629	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2630		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2631	1;	2696	1
2632	}) {	2697	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2702
2638	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	2731	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	2732	the message unless the client supports the msg packet.
2668		2733
2669	=cut	2734	=cut
2670		2735
		2736	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	2737	our %CHANNEL = (
2672	"c/identify" => {	2738	"c/identify" => {
2673	id => "infobox",	2739	id => "infobox",
2674	title => "Identify",	2740	title => "Identify",
2675	reply => undef,	2741	reply => undef,
…		…
2703	id => "infobox",	2769	id => "infobox",
2704	title => "Body Parts",	2770	title => "Body Parts",
2705	reply => undef,	2771	reply => undef,
2706	tooltip => "Shows which body parts you posess and are available",	2772	tooltip => "Shows which body parts you posess and are available",
2707	},	2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
2708	"c/uptime" => {	2780	"c/uptime" => {
2709	id => "infobox",	2781	id => "infobox",
2710	title => "Uptime",	2782	title => "Uptime",
2711	reply => undef,	2783	reply => undef,
2712	tooltip => "How long the server has been running sicne last restart",	2784	tooltip => "How long the server has been running since last restart",
2713	},	2785	},
2714	"c/mapinfo" => {	2786	"c/mapinfo" => {
2715	id => "infobox",	2787	id => "infobox",
2716	title => "Map Info",	2788	title => "Map Info",
2717	reply => undef,	2789	reply => undef,
2718	tooltip => "Information related to the maps",	2790	tooltip => "Information related to the maps",
2719	},	2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
2720	);	2800	);
2721		2801
2722	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2723	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2724		2804
2725	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2726		2807
2727	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2728		2809
2729	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2730	if ($CHANNEL{$channel}) {	2811	if ($CHANNEL{$channel}) {
…		…
2751	if ($self->can_msg) {	2832	if ($self->can_msg) {
2752	# default colour, mask it out	2833	# default colour, mask it out
2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2754	if $color & cf::NDI_DEF;	2835	if $color & cf::NDI_DEF;
2755		2836
2756	$self->send_packet ("msg " . $self->{json_coder}->encode (	2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2758	} else {	2853	} else {
2759	if ($color >= 0) {	2854	if ($color >= 0) {
2760	# replace some tags by gcfclient-compatible ones	2855	# replace some tags by gcfclient-compatible ones
2761	for ($msg) {	2856	for ($msg) {
2762	1 while	2857	1 while
…		…
2961		3056
2962	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2963		3058
2964	cf::object	3059	cf::object
2965	contr pay_amount pay_player map x y force_find force_add destroy	3060	contr pay_amount pay_player map x y force_find force_add destroy
2966	insert remove name archname title slaying race decrease_ob_nr	3061	insert remove name archname title slaying race decrease split
2967		3062
2968	cf::object::player	3063	cf::object::player
2969	player	3064	player
2970		3065
2971	cf::player	3066	cf::player
…		…
2976		3071
2977	=cut	3072	=cut
2978		3073
2979	for (	3074	for (
2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2981	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2982	decrease_ob_nr destroy)],	3077	decrease split destroy change_exp)],
2983	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2984	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2985	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2986	) {	3081	) {
2987	no strict 'refs';	3082	no strict 'refs';
…		…
3092	{	3187	{
3093	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
3094		3189
3095	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
3097	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
3098	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3101		3197
3102	cf::cede_to_tick;	3198	cf::cede_to_tick;
3103	}	3199	}
3104		3200
3105	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3106	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
3107	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
3108	or next;	3205	or next;
		3206
3109	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
3110	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3112	} else {	3210	} else {
3113	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3131	{	3229	{
3132	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
3133	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
3134	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
3135		3233
3136	my $soundconf = delete $res->{"res/sound.conf"};
3137
3138	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140	my $data;	3237	my $data;
3141		3238
3142	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3143	# prepend meta info	3240	# prepend meta info
3144		3241
3145	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3146	name => $name,	3243	name => $name,
3147	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3148	});	3245	});
3149		3246
3150	$data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
3151	} else {	3254	} else {
3152	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3153	}	3256	}
3154		3257
3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156	cf::face::set_type $idx, $info->{type};
3157
3158	cf::cede_to_tick;	3258	cf::cede_to_tick;
3159	}	3259	}
3160
3161	if ($soundconf) {
3162	$soundconf = $enc->decode (delete $soundconf->{data});
3163
3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165	my $sound = $soundconf->{compat}[$_]
3166	or next;
3167
3168	my $face = cf::face::find "sound/$sound->[1]";
3169	cf::sound::set $sound->[0] => $face;
3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171	}
3172
3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
3174	my $face = cf::face::find "sound/$v";
3175	cf::sound::set $k => $face;
3176	}
3177	}
3178	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3179		3263
3180	1	3264	1
3181	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
3182		3286
3183	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3184	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3185		3289
3186	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3187	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3188	}	3292	}
3189	};	3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
3190		3304
3191	sub reload_regions {	3305	sub reload_regions {
3192	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3193	# for this (global event?)	3307	# for this (global event?)
3194	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3208	}	3322	}
3209		3323
3210	sub reload_archetypes {	3324	sub reload_archetypes {
3211	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3212	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3213	#d# NEED to laod twice to resolve forward references
3214	# this really needs to be done in an extra post-pass
3215	# (which needs to be synchronous, so solve it differently)
3216	load_resource_file "$DATADIR/archetypes"
3217	or die "unable to load archetypes\n";
3218	}	3327	}
3219		3328
3220	sub reload_treasures {	3329	sub reload_treasures {
3221	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3222	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3223	}	3332	}
3224		3333
3225	sub reload_resources {	3334	sub reload_resources {
3226	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3227		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3228	reload_regions;	3339	reload_regions;
3229	reload_facedata;
3230	#reload_archetypes;#d#
3231	reload_archetypes;
3232	reload_treasures;	3340	reload_treasures;
3233		3341
3234	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3235	}
3236
3237	sub init {
3238	reload_resources;
3239	}	3343	}
3240		3344
3241	sub reload_config {	3345	sub reload_config {
3242	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3243	or return;	3347	or return;
3244		3348
3245	local $/;	3349	local $/;
3246	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3247		3351
3248	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3249		3353
3250	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3251	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3257	};	3361	};
3258	warn $@ if $@;	3362	warn $@ if $@;
3259	}	3363	}
3260	}	3364	}
3261		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3262	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3263	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3264	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3266	(async {	3403	(async {
3267	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3268	Event::one_event;	3405	EV::loop EV::LOOP_ONESHOT;
3269	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3270	};	3407	};
3271		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3272	reload_config;	3413	reload_config;
3273	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3274	load_extensions;	3427	load_extensions;
3275		3428
3276	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3277	Event::loop;	3437	EV::loop;
3278	}	3438	}
3279		3439
3280	#############################################################################	3440	#############################################################################
3281	# initialisation and cleanup	3441	# initialisation and cleanup
3282		3442
3283	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3284	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3285	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3286	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	signal => $signal,
3290	prio => 0,
3291	cb => sub {
3292	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3293	},
3294	);	3449	};
3295	}	3450	}
3296	}	3451	}
3297		3452
3298	sub write_runtime {	3453	sub write_runtime_sync {
3299	my $runtime = "$LOCALDIR/runtime";
3300
3301	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3302	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3303		3456
3304	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3305		3458
3306	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3307		3460
3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3309	or return;	3462	or return;
3310		3463
3311	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3312	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3313	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3323	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3324		3477
3325	close $fh	3478	close $fh
3326	or return;	3479	or return;
3327		3480
3328	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3329	and return;	3482	and return;
3330		3483
3331	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3332		3485
3333	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3334	}	3537	}
3335		3538
3336	sub emergency_save() {	3539	sub emergency_save() {
3337	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3338		3541
3339	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3340		3543
3341	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3342	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3343	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3344	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3345	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3346	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3347	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3348	$pl->valid or next;	3556	$pl->valid or next;
3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3350	$pl->save;	3558	$pl->save;
3351	}	3559	}
3352	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3353		3561
3354	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3355	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3356	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3357	$map->valid or next;	3565	$map->valid or next;
3358	$map->save;	3566	$map->save;
3359	}	3567	}
3360	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3361		3569
3362	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3363	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3364	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3365	};	3577	};
3366		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3367	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3368	}	3585	}
3369		3586
3370	sub post_cleanup {	3587	sub post_cleanup {
3371	my ($make_core) = @_;	3588	my ($make_core) = @_;
3372		3589
3373	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3374	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3375	}	3621	}
3376		3622
3377	sub do_reload_perl() {	3623	sub do_reload_perl() {
3378	# can/must only be called in main	3624	# can/must only be called in main
3379	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3380	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3381	return;	3627	return;
3382	}	3628	}
3383		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3384	warn "reloading...";	3635	warn "reloading...";
3385		3636
3386	warn "entering sync_job";	3637	warn "entering sync_job";
3387		3638
3388	cf::sync_job {	3639	cf::sync_job {
3389	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3390	cf::emergency_save;	3641	cf::emergency_save;
3391	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3392		3643
3393	warn "syncing database to disk";	3644	warn "syncing database to disk";
3394	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3395		3646
3396	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3397		3648
3398	warn "cancelling all WF_AUTOCANCEL watchers";
3399	for (Event::all_watchers) {
3400	$_->cancel if $_->data & WF_AUTOCANCEL;
3401	}
3402
3403	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3404	for (;;) {
3405	BDB::flush;
3406	IO::AIO::flush;
3407	Coro::cede_notself;
3408	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3409	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3410	}
3411
3412	++$RELOAD;
3413
3414	warn "cancelling all extension coros";
3415	$_->cancel for values %EXT_CORO;
3416	%EXT_CORO = ();
3417
3418	warn "removing commands";
3419	%COMMAND = ();
3420
3421	warn "removing ext/exti commands";
3422	%EXTCMD = ();
3423	%EXTICMD = ();
3424
3425	warn "unloading/nuking all extensions";
3426	for my $pkg (@EXTS) {
3427	warn "... unloading $pkg";
3428
3429	if (my $cb = $pkg->can ("unload")) {
3430	eval {
3431	$cb->($pkg);
3432	1
3433	} or warn "$pkg unloaded, but with errors: $@";
3434	}	3652	}
3435		3653
3436	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3437	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3438	}	3656	%EXT_CORO = ();
3439		3657
3440	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3441	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3443		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3444	warn "... unloading $k";	3667	warn "... unloading $pkg";
3445	delete $INC{$k};
3446		3668
3447	$k =~ s/\.pm$//;
3448	$k =~ s/\//::/g;
3449
3450	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3451	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3452	}	3678	}
3453		3679
3454	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3455	}	3695	}
3456		3696
3457	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3458	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3460		3700
3461	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3462	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3463	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
3464		3704
3465	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3466	# and global variables created in xs	3706	# and global variables created in xs
3467	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3468		3708
3469	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3470		3710
3471	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3472	require cf;	3712	require cf;
3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3474		3714
3475	warn "loading config and database again";	3715	warn "loading config and database again";
3476	cf::reload_config;	3716	cf::reload_config;
3477		3717
3478	warn "loading extensions";	3718	warn "loading extensions";
3479	cf::load_extensions;	3719	cf::load_extensions;
3480		3720
		3721	if ($REATTACH_ON_RELOAD) {
3481	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3482	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3483	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3484	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3485	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3486	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3487		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3488	warn "leaving sync_job";	3733	warn "leaving sync_job";
3489		3734
3490	1	3735	1
3491	} or do {	3736	} or do {
3492	warn $@;	3737	warn $@;
3493	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3494	exit 1;
3495	};	3739	};
3496		3740
3497	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3498	};	3747	};
3499		3748
3500	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3501		3750
3502	sub reload_perl() {	3751	sub reload_perl() {
3503	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3504	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3505		3754
3506	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3507	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3508	after => 0,	3757
3509	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3510	cb => sub {
3511	do_reload_perl;	3759	do_reload_perl;
3512	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3513	},	3761	};
3514	);	3762	};
3515	}	3763	}
3516		3764
3517	register_command "reload" => sub {	3765	register_command "reload" => sub {
3518	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3519		3767
…		…
3532		3780
3533	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3534	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3535		3783
3536	sub wait_for_tick {	3784	sub wait_for_tick {
3537	return unless $TICK_WATCHER->is_active;
3538	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3539		3786
3540	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3541	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3542	$signal->wait;	3789	$signal->wait;
3543	}	3790	}
3544		3791
3545	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3546	return unless $TICK_WATCHER->is_active;
3547	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3548		3794
3549	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3550	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3551	$signal->wait;	3797	$signal->wait;
3552	}	3798	}
3553		3799
3554	$TICK_WATCHER = Event->timer (	3800	sub tick {
3555	reentrant => 0,
3556	parked => 1,
3557	prio => 0,
3558	at => $NEXT_TICK || $TICK,
3559	data => WF_AUTOCANCEL,
3560	cb => sub {
3561	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3563	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3564	return;	3804	return;
3565	}	3805	}
3566		3806
3567	$NOW = $tick_start = Event::time;
3568
3569	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3570		3808
3571	$RUNTIME += $TICK;
3572	$NEXT_TICK += $TICK;
3573
3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3576	Coro::async_pool {	3811	Coro::async_pool {
3577	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3578	write_runtime	3813	write_runtime_sync
3579	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3580	};
3581	}	3815	};
		3816	}
3582		3817
3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3584	$sig->send;	3819	$sig->send;
3585	}	3820	}
3586	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3587	$sig->send;	3822	$sig->send;
3588	}	3823	}
3589		3824
3590	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3591
3592	# if we are delayed by four ticks or more, skip them all
3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3594
3595	$TICK_WATCHER->at ($NEXT_TICK);
3596	$TICK_WATCHER->start;
3597
3598	$LOAD = ($NOW - $tick_start) / $TICK;
3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3600		3827
3601	_post_tick;	3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3602	},	3834	}
3603	);	3835	}
3604		3836
3605	{	3837	{
		3838	# configure BDB
		3839
3606	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3607	BDB::max_poll_time $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3608	$BDB_POLL_WATCHER = Event->io (	3842	$AnyEvent::BDB::WATCHER->priority (1);
3609	reentrant => 0,
3610	fd => BDB::poll_fileno,
3611	poll => 'r',
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => \&BDB::poll_cb,
3615	);
3616
3617	BDB::set_sync_prepare {
3618	my $status;
3619	my $current = $Coro::current;
3620	(
3621	sub {
3622	$status = $!;
3623	$current->ready; undef $current;
3624	},
3625	sub {
3626	Coro::schedule while defined $current;
3627	$! = $status;
3628	},
3629	)
3630	};
3631		3843
3632	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3633	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3635	| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3638		3851
3639	cf::sync_job {	3852	cf::sync_job {
3640	eval {	3853	eval {
…		…
3650		3863
3651	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3652	};	3865	};
3653	}	3866	}
3654		3867
3655	$BDB_DEADLOCK_WATCHER = Event->timer (	3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3656	after => 3,
3657	interval => 1,
3658	hard => 1,
3659	prio => 0,
3660	data => WF_AUTOCANCEL,
3661	cb => sub {
3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663	},
3664	);	3870	};
3665	$BDB_CHECKPOINT_WATCHER = Event->timer (	3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3666	after => 11,
3667	interval => 60,
3668	hard => 1,
3669	prio => 0,
3670	data => WF_AUTOCANCEL,
3671	cb => sub {
3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673	},
3674	);	3873	};
3675	$BDB_TRICKLE_WATCHER = Event->timer (	3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3676	after => 5,
3677	interval => 10,
3678	hard => 1,
3679	prio => 0,
3680	data => WF_AUTOCANCEL,
3681	cb => sub {
3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683	},
3684	);	3876	};
3685	}	3877	}
3686		3878
3687	{	3879	{
		3880	# configure IO::AIO
		3881
3688	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3693	reentrant => 0,
3694	data => WF_AUTOCANCEL,
3695	fd => IO::AIO::poll_fileno,
3696	poll => 'r',
3697	prio => 0,
3698	cb => \&IO::AIO::poll_cb,
3699	);
3700	}	3885	}
3701		3886
3702	my $_log_backtrace;	3887	my $_log_backtrace;
3703		3888
3704	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3707	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3708		3893
3709	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3710	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3711	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3712	async {	3898	async {
3713	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3714		3900
3715	my @bt = fork_call {	3901	my @bt = fork_call {
3716	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3727	}	3913	}
3728		3914
3729	@funcs	3915	@funcs
3730	};	3916	};
3731		3917
3732	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3733	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3734	--$_log_backtrace;	3921	--$_log_backtrace;
3735	};	3922	};
3736	} else {	3923	} else {
3737	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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