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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.391 by root, Fri Oct 26 04:22:05 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 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::AnyEvent;
22	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
23	use Coro::Storable;	49	use Coro::Storable;
24	use Coro::Util ();	50	use Coro::Util ();
25		51
26	use JSON::XS ();	52	use JSON::XS 2.01 ();
27	use BDB ();	53	use BDB ();
28	use Data::Dumper;	54	use Data::Dumper;
29	use Digest::MD5;	55	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	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		75
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		77
52	our %COMMAND = ();	78	our %COMMAND = ();
53	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	82	our %EXTCMD = ();
57	our %EXTICMD = ();	83	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
60		86
61	our $RELOAD; # number of reloads so far	87	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	88	our @EVENT;
63		89
64	our $CONFDIR = confdir;	90	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	91	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	92	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	93	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	94	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	95	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	99	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
75		105
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	106	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	107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	108	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		110
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	111	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	112	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	113	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	114	our $DB_ENV;
89		115
90	our %CFG;	116	our %CFG;
91		117
92	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
94		121
95	our (%PLAYER, %PLAYER_LOADING); # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	124	our $LINK_MAP; # the special {link} map, which is always available
98		125
99	# used to convert map paths into valid unix filenames by replacing / by ∕	126	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		128
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		137
106	binmode STDOUT;	138	binmode STDOUT;
107	binmode STDERR;	139	binmode STDERR;
108		140
109	# read virtual server time, if available	141	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	143	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
114	}	146	}
115		147
116	mkdir $_	148	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		194
163	The raw value load value from the last tick.	195	The raw value load value from the last tick.
164		196
165	=item %cf::CFG	197	=item %cf::CFG
166		198
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	200	from wherever your confdir points to.
169		201
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		203
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	204	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;	225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		226
195	LOG llevError, $msg;	227	LOG llevError, $msg;
196	};	228	};
197	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
198		245
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	256	for my $pkg (qw(
210	cf::global cf::attachable	257	cf::global cf::attachable
211	cf::object cf::object::player	258	cf::object cf::object::player
212	cf::client cf::player	259	cf::client cf::player
213	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
214	cf::map cf::party cf::region	262	cf::party cf::region
215	)) {	263	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	265	}
219		266
220	$Event::DIED = sub {	267	$EV::DIED = sub {
221	warn "error in event callback: @_";	268	warn "error in event callback: @_";
222	};	269	};
223		270
224	#############################################################################	271	#############################################################################
225		272
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	296	$d
250	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
251	}	298	}
252		299
253	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
254		301
255	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
256		303
257	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
258		305
259	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
260		307
261	=cut	308	=cut
262		309
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		311
265	sub to_json ($) { $json_coder->encode ($_[0]) }	312	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
		327	}
267		328
268	=item cf::lock_wait $string	329	=item cf::lock_wait $string
269		330
270	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
271		332
272	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
273		334
274	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
277	returned.	338	returned.
278		339
279	Locks are *not* recursive, locking from the same coro twice results in a	340	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	341	deadlocked coro.
…		…
299	return;#d#	360	return;#d#
300	}#d#	361	}#d#
301		362
302	# wait for lock, if any	363	# wait for lock, if any
303	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
304	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;	367	Coro::schedule;
306	}	368	}
307	}	369	}
308		370
…		…
313	lock_wait $key;	375	lock_wait $key;
314		376
315	$LOCK{$key} = [];	377	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#	378	$LOCKER{$key} = $Coro::current;#d#
317		379
318	Coro::guard {	380	Guard::guard {
319	delete $LOCKER{$key};#d#	381	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
322	}	384	}
323	}	385	}
…		…
327		389
328	! ! $LOCK{$key}	390	! ! $LOCK{$key}
329	}	391	}
330		392
331	sub freeze_mainloop {	393	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
333		395
334	my $guard = Coro::guard {	396	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	397	}
336	};	398
337	$TICK_WATCHER->stop;	399	=item cf::periodic $interval, $cb
338	$guard	400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
339	}	412	}
340		413
341	=item cf::get_slot $time[, $priority[, $name]]	414	=item cf::get_slot $time[, $priority[, $name]]
342		415
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	456	}
384	}	457	}
385	};	458	};
386		459
387	sub get_slot($;$$) {	460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
388	my ($time, $pri, $name) = @_;	463	my ($time, $pri, $name) = @_;
389		464
390	$time = $TICK * .6 if $time > $TICK * .6;	465	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	466	my $sig = new Coro::Signal;
392		467
…		…
406		481
407	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
408		483
409	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
410		485
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	486	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	487	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	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	489	acceptable.
415		490
416	If it must be done, put the blocking parts into C<sync_job>. This will run	491	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	492	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		497
423	sub sync_job(&) {	498	sub sync_job(&) {
424	my ($job) = @_;	499	my ($job) = @_;
425		500
426	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	502	my $time = EV::time;
428		503
429	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
431		506
432	LOG llevError, Carp::longmess "sync job";#d#	507	LOG llevError, Carp::longmess "sync job";#d#
433		508
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
437		510
438	my $busy = 1;	511	my $busy = 1;
439	my @res;	512	my @res;
440		513
…		…
447		520
448	while ($busy) {	521	while ($busy) {
449	if (Coro::nready) {	522	if (Coro::nready) {
450	Coro::cede_notself;	523	Coro::cede_notself;
451	} else {	524	} else {
452	Event::one_event;	525	EV::loop EV::LOOP_ONESHOT;
453	}	526	}
454	}	527	}
455		528
456	$time = Event::time - $time;	529	my $time = EV::time - $time;
457		530
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	531	$TICK_START += $time; # do not account sync jobs to server load
462		532
463	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
464	} else {	534	} else {
465	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
466		536
…		…
491	=item fork_call { }, $args	561	=item fork_call { }, $args
492		562
493	Executes the given code block with the given arguments in a seperate	563	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	564	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	565	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	566	never block itself or use any form of event handling.
497		567
498	=cut	568	=cut
499		569
500	sub fork_call(&@) {	570	sub fork_call(&@) {
501	my ($cb, @args) = @_;	571	my ($cb, @args) = @_;
…		…
508	reset_signals;	578	reset_signals;
509	&$cb	579	&$cb
510	}, @args;	580	}, @args;
511		581
512	wantarray ? @res : $res[-1]	582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
513	}	610	}
514		611
515	=item $value = cf::db_get $family => $key	612	=item $value = cf::db_get $family => $key
516		613
517	Returns a single value from the environment database.	614	Returns a single value from the environment database.
…		…
656		753
657	#############################################################################	754	#############################################################################
658		755
659	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
660		757
661	Many objects in crossfire are so-called attachable objects. That means you can	758	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")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
664		761
665	In the following description, CLASS can be any of C<global>, C<object>	762	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	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	764	Deliantra).
668		765
669	=over 4	766	=over 4
670		767
671	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
672		769
…		…
716	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
717		814
718	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
720		817
721	Some classes such as crossfire maps and objects can specify attachments	818	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.	819	that are attached at load/instantiate time, thus the need for a name.
723		820
724	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
725		822
726	=over 4	823	=over 4
…		…
954	}	1051	}
955		1052
956	0	1053	0
957	}	1054	}
958		1055
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1057
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1059
963	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
964		1061
…		…
1017		1114
1018	sub reattach {	1115	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1117	my ($obj) = @_;
1021		1118
		1119	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1121
1024	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
1025		1123
1026	@$registry = ();	1124	@$registry = ();
1027		1125
…		…
1042	cf::attachable->attach (	1140	cf::attachable->attach (
1043	prio => -1000000,	1141	prio => -1000000,
1044	on_instantiate => sub {	1142	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
1046		1144
1047	$data = from_json $data;	1145	$data = decode_json $data;
1048		1146
1049	for (@$data) {	1147	for (@$data) {
1050	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
1051		1149
1052	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1171	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
1076		1174
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1178	aio_fsync $fh if $cf::USE_FSYNC;
1081	close $fh;	1179	aio_close $fh;
1082		1180
1083	if (@$objs) {	1181	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1186	aio_fsync $fh if $cf::USE_FSYNC;
1089	close $fh;	1187	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1189	}
1092	} else {	1190	} else {
1093	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1094	}	1192	}
1095		1193
1096	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1198	} else {
1098	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
1099	}	1200	}
1100	} else {	1201	} else {
1101	aio_unlink $filename;	1202	aio_unlink $filename;
…		…
1194	my ($name, $cb) = @_;	1295	my ($name, $cb) = @_;
1195		1296
1196	$EXTICMD{$name} = $cb;	1297	$EXTICMD{$name} = $cb;
1197	}	1298	}
1198		1299
		1300	use File::Glob ();
		1301
1199	cf::player->attach (	1302	cf::player->attach (
1200	on_command => sub {	1303	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
1202		1305
1203	my $cb = $COMMAND{$name}	1306	my $cb = $COMMAND{$name}
…		…
1235		1338
1236	cf::override;	1339	cf::override;
1237	},	1340	},
1238	);	1341	);
1239		1342
		1343	# "readahead" all extensions
		1344	sub cache_extensions {
		1345	my $grp = IO::AIO::aio_group;
		1346
		1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1348	for (grep /\.ext$/, @{$_[0]}) {
		1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1350	}
		1351	};
		1352
		1353	$grp
		1354	}
		1355
1240	sub load_extensions {	1356	sub load_extensions {
1241	cf::sync_job {	1357	cf::sync_job {
1242	my %todo;	1358	my %todo;
1243		1359
1244	for my $path (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1379
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1382
1267	$ext{source} =	1383	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1385	. "#line 1 \"$path\"\n{\n"
1270	. $source	1386	. $source
1271	. "\n};\n1";	1387	. "\n};\n1";
1272		1388
1273	$todo{$base} = \%ext;	1389	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1405	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1406	: "$v->{base}: extension inactive.\n";
1291		1407
1292	if (exists $v->{meta}{mandatory}) {	1408	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1409	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1410	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1411	}
1297		1412
1298	warn $msg;	1413	warn $msg;
1299	}	1414	}
1300		1415
…		…
1314		1429
1315	=back	1430	=back
1316		1431
1317	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1318		1433
1319	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1320		1435
1321	=cut	1436	=cut
1322		1437
1323	package cf::player;	1438	package cf::player;
1324		1439
…		…
1367		1482
1368	sub exists($) {	1483	sub exists($) {
1369	my ($login) = @_;	1484	my ($login) = @_;
1370		1485
1371	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1487	or !aio_stat path $login
1373	}	1488	}
1374		1489
1375	sub find($) {	1490	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1492	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1504	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1505	or return;
1391		1506
1392	my $pl = cf::player::load_pl $f	1507	my $pl = cf::player::load_pl $f
1393	or return;	1508	or return;
		1509
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1510	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1511	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1397	}	1513	}
1398	}	1514	}
…		…
1408		1524
1409	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1410		1526
1411	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
		1529
		1530	cf::get_slot 0.01;
1413		1531
1414	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1533	cf::cede_to_tick;
1416	}	1534	}
1417		1535
…		…
1449	my ($pl) = @_;	1567	my ($pl) = @_;
1450		1568
1451	my $name = $pl->ob->name;	1569	my $name = $pl->ob->name;
1452		1570
1453	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1573
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1460		1580
1461	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1621
1502	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
1503	my $path = path $login;	1623	my $path = path $login;
1504		1624
1505	# a .pst is a dead give-away for a valid player	1625	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1631	}
1511		1632
…		…
1542	}	1663	}
1543		1664
1544	\@paths	1665	\@paths
1545	}	1666	}
1546		1667
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1669
1549	Expand crossfire pod fragments into protocol xml.	1670	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	(?:
1558	\ (.*?)\ (?{ $group = $^N })
1559	| < (??{$interior}) >
1560	)
1561	}x;
1562
1563	sub expand_cfpod {
1564	my ($self, $pod) = @_;
1565
1566	my $xml;
1567
1568	while () {
1569	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570	$group = $1;
1571
1572	$group =~ s/&/&amp;/g;
1573	$group =~ s/</&lt;/g;
1574
1575	$xml .= $group;
1576	} elsif ($pod =~ m%\G
1577	([BCGHITU])
1578	<
1579	(?:
1580	([^<>]*) (?{ $group = $^N })
1581	| < $interior >
1582	)
1583	>
1584	%gcsx
1585	) {
1586	my ($code, $data) = ($1, $group);
1587
1588	if ($code eq "B") {
1589	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590	} elsif ($code eq "I") {
1591	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592	} elsif ($code eq "U") {
1593	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594	} elsif ($code eq "C") {
1595	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596	} elsif ($code eq "T") {
1597	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598	} elsif ($code eq "G") {
1599	my ($male, $female) = split /\|/, $data;
1600	$data = $self->gender ? $female : $male;
1601	$xml .= expand_cfpod ($self, $data);
1602	} elsif ($code eq "H") {
1603	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605	"")
1606	[$self->{hintmode}];
1607	} else {
1608	$xml .= "error processing '$code($data)' directive";
1609	}
1610	} else {
1611	if ($pod =~ /\G(.+)/) {
1612	warn "parse error while expanding $pod (at $1)";
1613	}
1614	last;
1615	}
1616	}
1617
1618	for ($xml) {
1619	# create single paragraphs (very hackish)
1620	s/(?<=\S)\n(?=\w)/ /g;
1621
1622	# compress some whitespace
1623	s/\s+\n/\n/g; # ws line-ends
1624	s/\n\n+/\n/g; # double lines
1625	s/^\n+//; # beginning lines
1626	s/\n+$//; # ending lines
1627	}
1628
1629	$xml
1630	}
1631
1632	sub hintmode {
1633	$_[0]{hintmode} = $_[1] if @_ > 1;
1634	$_[0]{hintmode}
1635	}
1636		1671
1637	=item $player->ext_reply ($msgid, @msg)	1672	=item $player->ext_reply ($msgid, @msg)
1638		1673
1639	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1640		1675
…		…
1707	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1709		1744
1710	sub generate_random_map {	1745	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1749
1712	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	1751	$self->_create_random_map (
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1838		1876
1839	# the temporary/swap location	1877	# the temporary/swap location
1840	sub save_path {	1878	sub save_path {
1841	my ($self) = @_;	1879	my ($self) = @_;
1842		1880
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	1882	"$TMPDIR/$path.map"
1845	}	1883	}
1846		1884
1847	# the unique path, undef == no special unique path	1885	# the unique path, undef == no special unique path
1848	sub uniq_path {	1886	sub uniq_path {
1849	my ($self) = @_;	1887	my ($self) = @_;
1850		1888
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	1890	"$UNIQUEDIR/$path"
1853	}	1891	}
1854		1892
1855	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1856	# all maps in C++...	1894	# all maps in C++...
…		…
1954		1992
1955	cf::lock_wait "map_data:$path";#d#remove	1993	cf::lock_wait "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	1994	cf::lock_wait "map_find:$path";
1957		1995
1958	$cf::MAP{$path} || do {	1996	$cf::MAP{$path} || do {
1959	my $guard1 = cf::lock_acquire "map_find:$path";
1960	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it	1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1998	my $guard2 = cf::lock_acquire "map_find:$path";
1961		1999
1962	my $map = new_from_path cf::map $path	2000	my $map = new_from_path cf::map $path
1963	or return;	2001	or return;
1964		2002
1965	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
…		…
1968	or return;	2006	or return;
1969		2007
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	2009	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
1973	undef $guard1;	2012	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	2013	$map->reset;
1976	return find $path;	2014	return find $path;
1977	}	2015	}
1978		2016
1979	$cf::MAP{$path} = $map	2017	$cf::MAP{$path} = $map
…		…
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2044	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2045	$f->skip_block;
2008	$self->_load_objects ($f)	2046	$self->_load_objects ($f)
2009	or return;	2047	or return;
2010		2048
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
2012	if delete $self->{load_original};	2050	if delete $self->{load_original};
2013		2051
2014	if (my $uniq = $self->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2053	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2054	unless (aio_stat $uniq) {
…		…
2042	}	2080	}
2043		2081
2044	$self->{last_save} = $cf::RUNTIME;	2082	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2083	$self->last_access ($cf::RUNTIME);
2046		2084
2047	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2086	}
2049		2087
2050	$self->post_load;	2088	$self->post_load;
2051	}	2089	}
2052		2090
…		…
2110	my ($path, $origin, $load) = @_;	2148	my ($path, $origin, $load) = @_;
2111		2149
2112	$path = normalise $path, $origin && $origin->{path};	2150	$path = normalise $path, $origin && $origin->{path};
2113		2151
2114	if (my $map = $cf::MAP{$path}) {	2152	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116	}	2154	}
2117		2155
2118	$MAP_PREFETCH{$path} |= $load;	2156	$MAP_PREFETCH{$path} |= $load;
2119		2157
2120	$MAP_PREFETCHER ||= cf::async {	2158	$MAP_PREFETCHER ||= cf::async {
…		…
2157	cf::async {	2195	cf::async {
2158	$Coro::current->{desc} = "map player save";	2196	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
2160	};	2198	};
2161		2199
		2200	cf::get_slot 0.02;
		2201
2162	if ($uniq) {	2202	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2205	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2206	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2174	$self->save;	2214	$self->save;
2175		2215
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2217
2178	return if $self->players;	2218	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
2180	return if $self->{deny_save};	2220	return if $self->{deny_save};
2181		2221
2182	$self->in_memory (cf::MAP_SWAPPED);	2222	$self->in_memory (cf::MAP_SWAPPED);
2183		2223
2184	$self->deactivate;	2224	$self->deactivate;
…		…
2302		2342
2303	sub unique_maps() {	2343	sub unique_maps() {
2304	[	2344	[
2305	map {	2345	map {
2306	utf8::decode $_;	2346	utf8::decode $_;
2307	/\.map$/	2347	s/\.map$//; # TODO future compatibility hack
		2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2349	? ()
2308	? normalise $_	2350	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2351	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2352	]
2312	}	2353	}
2313		2354
2314	package cf;
2315
2316	=back	2355	=back
2317		2356
2318	=head3 cf::object	2357	=head3 cf::object
2319		2358
2320	=cut	2359	=cut
…		…
2323		2362
2324	=over 4	2363	=over 4
2325		2364
2326	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
2327		2366
2328	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
2329		2369
2330	=cut	2370	=cut
2331		2371
2332	sub inv_recursive_;	2372	sub inv_recursive_;
2333	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
2339	}	2379	}
2340		2380
2341	=item $ref = $ob->ref	2381	=item $ref = $ob->ref
2342		2382
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2383	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2384
2345	=item $ob = cf::object::deref ($refstring)	2385	=item $ob = cf::object::deref ($refstring)
2346		2386
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2388	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
2382		2422
2383	=cut	2423	=cut
2384		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
		2438
2385	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2440	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2443	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2454	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2456
2403	} else {	2457	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2460	}
2407	}	2461	}
2408	}	2462	}
2409		2463
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2489
2436	=item $player_object->enter_link	2490	=item $player_object->enter_link
2437		2491
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2493
2440	The player should be reasonably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
2441	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
2442		2498
2443	Will never block.	2499	Will never block.
2444		2500
2445	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
2446		2502
…		…
2504		2560
2505	$map->load;	2561	$map->load;
2506	$map->load_neighbours;	2562	$map->load_neighbours;
2507		2563
2508	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2509	$self->activate_recursive;	2566	$self->activate_recursive;
2510		2567
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
2513	}	2570	}
…		…
2517	Moves the player to the given map-path and coordinates by first freezing	2574	Moves the player to the given map-path and coordinates by first freezing
2518	her, loading and preparing them map, calling the provided $check callback	2575	her, loading and preparing them map, calling the provided $check callback
2519	that has to return the map if sucecssful, and then unfreezes the player on	2576	that has to return the map if sucecssful, and then unfreezes the player on
2520	the new (success) or old (failed) map position. In either case, $done will	2577	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2578	be called at the end of this process.
		2579
		2580	Note that $check will be called with a potentially non-loaded map, so if
		2581	it needs a loaded map it has to call C<< ->load >>.
2522		2582
2523	=cut	2583	=cut
2524		2584
2525	our $GOTOGEN;	2585	our $GOTOGEN;
2526		2586
…		…
2605	}	2665	}
2606		2666
2607	sub prepare_random_map {	2667	sub prepare_random_map {
2608	my ($exit) = @_;	2668	my ($exit) = @_;
2609		2669
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2670	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2671	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2672	# that depends on the exit object
2615		2673
2616	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2676	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2677	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
2623	}	2683	}
2624		2684
2625	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
2626		2686
2627	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2689	my $meta = "$RANDOMDIR/$md5.meta";
2630		2690
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2693	undef $fh;
2634	aio_rename "$meta~", $meta;	2694	aio_rename "$meta~", $meta;
2635		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
2638	}	2702	}
2639	}	2703	}
2640		2704
2641	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
2643		2707
2644	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
2645		2709
2646	if ($exit->slaying eq "/!") {
2647	#TODO: this should de-fi-ni-te-ly not be a sync-job
2648	# the problem is that $exit might not survive long enough
2649	# so it needs to be done right now, right here
2650	cf::sync_job { prepare_random_map $exit };
2651	}
2652
2653	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2654	my $hp = $exit->stats->hp;
2655	my $sp = $exit->stats->sp;
2656
2657	$self->enter_link;	2710	$self->enter_link;
2658		2711
2659	# if exit is damned, update players death & WoR home-position
2660	$self->contr->savebed ($slaying, $hp, $sp)
2661	if $exit->flag (FLAG_DAMNED);
2662
2663	(async {	2712	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2713	$Coro::current->{desc} = "enter_exit";
2665		2714
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
		2722	prepare_random_map $exit
		2723	if $exit->slaying eq "/!";
		2724	}
		2725
		2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
		2729
2668	$self->goto ($slaying, $hp, $sp);	2730	$self->goto ($map, $x, $y);
2669		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
2670	1;	2736	1
2671	}) {	2737	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2742
2677	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
…		…
2743	id => "infobox",	2809	id => "infobox",
2744	title => "Body Parts",	2810	title => "Body Parts",
2745	reply => undef,	2811	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	2812	tooltip => "Shows which body parts you posess and are available",
2747	},	2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
2748	"c/uptime" => {	2820	"c/uptime" => {
2749	id => "infobox",	2821	id => "infobox",
2750	title => "Uptime",	2822	title => "Uptime",
2751	reply => undef,	2823	reply => undef,
2752	tooltip => "How long the server has been running since last restart",	2824	tooltip => "How long the server has been running since last restart",
…		…
2755	id => "infobox",	2827	id => "infobox",
2756	title => "Map Info",	2828	title => "Map Info",
2757	reply => undef,	2829	reply => undef,
2758	tooltip => "Information related to the maps",	2830	tooltip => "Information related to the maps",
2759	},	2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
2760	);	2838	);
2761		2839
2762	sub cf::client::send_msg {	2840	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	2841	my ($self, $channel, $msg, $color, @extra) = @_;
2764		2842
2765	$msg = $self->pl->expand_cfpod ($msg);	2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
2766		2845
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		2847
2769	# check predefined channels, for the benefit of C	2848	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	2849	if ($CHANNEL{$channel}) {
…		…
2791	if ($self->can_msg) {	2870	if ($self->can_msg) {
2792	# default colour, mask it out	2871	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	2873	if $color & cf::NDI_DEF;
2795		2874
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
2798	} else {	2891	} else {
2799	if ($color >= 0) {	2892	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones	2893	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {	2894	for ($msg) {
2802	1 while	2895	1 while
…		…
3001		3094
3002	The following functions and methods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
3003		3096
3004	cf::object	3097	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3098	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3099	insert remove name archname title slaying race decrease split
3007		3100
3008	cf::object::player	3101	cf::object::player
3009	player	3102	player
3010		3103
3011	cf::player	3104	cf::player
…		…
3016		3109
3017	=cut	3110	=cut
3018		3111
3019	for (	3112	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3114	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3115	decrease split destroy change_exp)],
3023	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
3025	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
3026	) {	3119	) {
3027	no strict 'refs';	3120	no strict 'refs';
…		…
3132	{	3225	{
3133	my $faces = $facedata->{faceinfo};	3226	my $faces = $facedata->{faceinfo};
3134		3227
3135	while (my ($face, $info) = each %$faces) {	3228	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3230
3137	cf::face::set_visibility $idx, $info->{visibility};	3231	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3232	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3140	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3141		3235
3142	cf::cede_to_tick;	3236	cf::cede_to_tick;
3143	}	3237	}
3144		3238
3145	while (my ($face, $info) = each %$faces) {	3239	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3240	next unless $info->{smooth};
		3241
3147	my $idx = cf::face::find $face	3242	my $idx = cf::face::find $face
3148	or next;	3243	or next;
		3244
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3245	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3246	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3248	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3171	{	3267	{
3172	# TODO: for gcfclient pleasure, we should give resources	3268	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.	3269	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3270	my $res = $facedata->{resource};
3175		3271
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;	3275	my $data;
3181		3276
3182	if ($info->{type} & 1) {	3277	if ($info->{type} & 1) {
3183	# prepend meta info	3278	# prepend meta info
3184		3279
3185	my $meta = $enc->encode ({	3280	my $meta = $enc->encode ({
3186	name => $name,	3281	name => $name,
3187	%{ $info->{meta} || {} },	3282	%{ $info->{meta} || {} },
3188	});	3283	});
3189		3284
3190	$data = pack "(w/a*)*", $meta, $info->{data};	3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
3191	} else {	3292	} else {
3192	$data = $info->{data};	3293	$RESOURCE{$name} = $info;
3193	}	3294	}
3194		3295
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3296	cf::cede_to_tick;
3199	}	3297	}
3200
3201	if ($soundconf) {
3202	$soundconf = $enc->decode (delete $soundconf->{data});
3203
3204	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205	my $sound = $soundconf->{compat}[$_]
3206	or next;
3207
3208	my $face = cf::face::find "sound/$sound->[1]";
3209	cf::sound::set $sound->[0] => $face;
3210	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211	}
3212
3213	while (my ($k, $v) = each %{$soundconf->{event}}) {
3214	my $face = cf::face::find "sound/$v";
3215	cf::sound::set $k => $face;
3216	}
3217	}
3218	}	3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3301
3220	1	3302	1
3221	}	3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
3222		3324
3223	register_exticmd fx_want => sub {	3325	register_exticmd fx_want => sub {
3224	my ($ns, $want) = @_;	3326	my ($ns, $want) = @_;
3225		3327
3226	while (my ($k, $v) = each %$want) {	3328	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3329	$ns->fx_want ($k, $v);
3228	}	3330	}
3229	};	3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
3230		3342
3231	sub reload_regions {	3343	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3344	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3345	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3346	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3360	}
3249		3361
3250	sub reload_archetypes {	3362	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3363	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3364	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3365	}
3259		3366
3260	sub reload_treasures {	3367	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3368	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3369	or die "unable to load treasurelists\n";
3263	}	3370	}
3264		3371
3265	sub reload_resources {	3372	sub reload_resources {
3266	warn "reloading resource files...\n";	3373	warn "reloading resource files...\n";
3267		3374
		3375	reload_facedata;
		3376	reload_archetypes;
3268	reload_regions;	3377	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3378	reload_treasures;
3273		3379
3274	warn "finished reloading resource files\n";	3380	warn "finished reloading resource files\n";
3275	}
3276
3277	sub init {
3278	reload_resources;
3279	}	3381	}
3280		3382
3281	sub reload_config {	3383	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
3283	or return;	3385	or return;
3284		3386
3285	local $/;	3387	local $/;
3286	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
3287		3389
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3289		3391
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3291	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3297	};	3399	};
3298	warn $@ if $@;	3400	warn $@ if $@;
3299	}	3401	}
3300	}	3402	}
3301		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
3302	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
3303	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3442	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3444	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3445	})->prio (Coro::PRIO_MAX);
3310	};	3446	};
3311		3447
		3448	evthread_start IO::AIO::poll_fileno;
		3449
		3450	cf::sync_job {
		3451	reload_resources;
3312	reload_config;	3452	reload_config;
3313	db_init;	3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
3314	load_extensions;	3466	load_extensions;
3315		3467
3316	$TICK_WATCHER->start;	3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
3317	Event::loop;	3476	EV::loop;
3318	}	3477	}
3319		3478
3320	#############################################################################	3479	#############################################################################
3321	# initialisation and cleanup	3480	# initialisation and cleanup
3322		3481
3323	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
3324	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3327	reentrant => 0,
3328	data => WF_AUTOCANCEL,
3329	signal => $signal,
3330	prio => 0,
3331	cb => sub {
3332	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
3333	},
3334	);	3488	};
3335	}	3489	}
3336	}	3490	}
3337		3491
3338	sub write_runtime {	3492	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";
3340
3341	# first touch the runtime file to show we are still running:	3493	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3494	# the fsync below can take a very very long time.
3343		3495
3344	IO::AIO::aio_utime $runtime, undef, undef;	3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3497
3346	my $guard = cf::lock_acquire "write_runtime";	3498	my $guard = cf::lock_acquire "write_runtime";
3347		3499
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3349	or return;	3501	or return;
3350		3502
3351	my $value = $cf::RUNTIME + 90 + 10;	3503	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3504	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3505	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3515	aio_utime $fh, undef, undef;
3364		3516
3365	close $fh	3517	close $fh
3366	or return;	3518	or return;
3367		3519
3368	aio_rename "$runtime~", $runtime	3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3521	and return;
3370		3522
3371	warn "runtime file written.\n";	3523	warn "runtime file written.\n";
3372		3524
3373	1	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
3374	}	3576	}
3375		3577
3376	sub emergency_save() {	3578	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
3378		3580
3379	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
3380		3582
3381	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
3382	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	3595	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	3597	$pl->save;
3391	}	3598	}
3392	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
3393		3600
3394	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	3604	$map->valid or next;
3398	$map->save;	3605	$map->save;
3399	}	3606	}
3400	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
3401		3608
3402	warn "begin emergency database checkpoint\n";	3609	warn "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
3405	};	3616	};
3406		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
3407	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
3408	}	3624	}
3409		3625
3410	sub post_cleanup {	3626	sub post_cleanup {
3411	my ($make_core) = @_;	3627	my ($make_core) = @_;
3412		3628
3413	warn Carp::longmess "post_cleanup backtrace"	3629	warn Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
3415	}	3660	}
3416		3661
3417	sub do_reload_perl() {	3662	sub do_reload_perl() {
3418	# can/must only be called in main	3663	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
3420	warn "can only reload from main coroutine";	3665	warn "can only reload from main coroutine";
3421	return;	3666	return;
3422	}	3667	}
3423		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
3424	warn "reloading...";	3674	warn "reloading...";
3425		3675
3426	warn "entering sync_job";	3676	warn "entering sync_job";
3427		3677
3428	cf::sync_job {	3678	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark	3679	cf::write_runtime_sync; # external watchdog should not bark
3430	cf::emergency_save;	3680	cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark	3681	cf::write_runtime_sync; # external watchdog should not bark
3432		3682
3433	warn "syncing database to disk";	3683	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
3435		3685
3436	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
3437		3687
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";	3688	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;	3689	while (IO::AIO::nreqs || BDB::nreqs) {
3449	warn "iterate...";	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3450	}
3451
3452	++$RELOAD;
3453
3454	warn "cancelling all extension coros";
3455	$_->cancel for values %EXT_CORO;
3456	%EXT_CORO = ();
3457
3458	warn "removing commands";
3459	%COMMAND = ();
3460
3461	warn "removing ext/exti commands";
3462	%EXTCMD = ();
3463	%EXTICMD = ();
3464
3465	warn "unloading/nuking all extensions";
3466	for my $pkg (@EXTS) {
3467	warn "... unloading $pkg";
3468
3469	if (my $cb = $pkg->can ("unload")) {
3470	eval {
3471	$cb->($pkg);
3472	1
3473	} or warn "$pkg unloaded, but with errors: $@";
3474	}	3691	}
3475		3692
3476	warn "... nuking $pkg";	3693	warn "cancelling all extension coros";
3477	Symbol::delete_package $pkg;	3694	$_->cancel for values %EXT_CORO;
3478	}	3695	%EXT_CORO = ();
3479		3696
3480	warn "unloading all perl modules loaded from $LIBDIR";	3697	warn "removing commands";
3481	while (my ($k, $v) = each %INC) {	3698	%COMMAND = ();
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
3484	warn "... unloading $k";	3706	warn "... unloading $pkg";
3485	delete $INC{$k};
3486		3707
3487	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;
3489
3490	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
3491	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
3492	}	3717	}
3493		3718
3494	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
3495	}	3734	}
3496		3735
3497	warn "getting rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		3739
3501	warn "unloading cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	3742	delete $INC{"cf/pod.pm"};
3504		3743
3505	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
3506	# and global variables created in xs	3745	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
3508		3747
3509	warn "unload completed, starting to reload now";	3748	warn "unload completed, starting to reload now";
3510		3749
3511	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
3512	require cf;	3751	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3514		3753
3515	warn "loading config and database again";	3754	warn "loading config and database again";
3516	cf::reload_config;	3755	cf::reload_config;
3517		3756
3518	warn "loading extensions";	3757	warn "loading extensions";
3519	cf::load_extensions;	3758	cf::load_extensions;
3520		3759
		3760	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	3762	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	3763	warn "reattaching attachments to maps";
3524	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	3765	warn "reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	3766	reattach $_ for values %PLAYER;
		3767	}
3527		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
3528	warn "leaving sync_job";	3772	warn "leaving sync_job";
3529		3773
3530	1	3774	1
3531	} or do {	3775	} or do {
3532	warn $@;	3776	warn $@;
3533	warn "error while reloading, exiting.";	3777	cf::cleanup "error while reloading, exiting.";
3534	exit 1;
3535	};	3778	};
3536		3779
3537	warn "reloaded";	3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
3538	};	3786	};
3539		3787
3540	our $RELOAD_WATCHER; # used only during reload	3788	our $RELOAD_WATCHER; # used only during reload
3541		3789
3542	sub reload_perl() {	3790	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	3791	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	3792	# coro crashes during coro_state_free->destroy here.
3545		3793
3546	$RELOAD_WATCHER ||= Event->timer (	3794	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	3795	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	3796
3549	data => WF_AUTOCANCEL,	3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	3798	do_reload_perl;
3552	undef $RELOAD_WATCHER;	3799	undef $RELOAD_WATCHER;
3553	},	3800	};
3554	);	3801	};
3555	}	3802	}
3556		3803
3557	register_command "reload" => sub {	3804	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
3559		3806
…		…
3572		3819
3573	our @WAIT_FOR_TICK;	3820	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;	3821	our @WAIT_FOR_TICK_BEGIN;
3575		3822
3576	sub wait_for_tick {	3823	sub wait_for_tick {
3577	return unless $TICK_WATCHER->is_active;
3578	return if $Coro::current == $Coro::main;	3824	return if tick_inhibit || $Coro::current == $Coro::main;
3579		3825
3580	my $signal = new Coro::Signal;	3826	my $signal = new Coro::Signal;
3581	push @WAIT_FOR_TICK, $signal;	3827	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;	3828	$signal->wait;
3583	}	3829	}
3584		3830
3585	sub wait_for_tick_begin {	3831	sub wait_for_tick_begin {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	3832	return if tick_inhibit || $Coro::current == $Coro::main;
3588		3833
3589	my $signal = new Coro::Signal;	3834	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	3835	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	3836	$signal->wait;
3592	}	3837	}
3593		3838
3594	$TICK_WATCHER = Event->timer (	3839	sub tick {
3595	reentrant => 0,
3596	parked => 1,
3597	prio => 0,
3598	at => $NEXT_TICK || $TICK,
3599	data => WF_AUTOCANCEL,
3600	cb => sub {
3601	if ($Coro::current != $Coro::main) {	3840	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	3842	unless ++$bug_warning > 10;
3604	return;	3843	return;
3605	}	3844	}
3606		3845
3607	$NOW = $tick_start = Event::time;
3608
3609	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
3610		3847
3611	$RUNTIME += $TICK;
3612	$NEXT_TICK += $TICK;
3613
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	3850	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	3851	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	3852	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
3620	};
3621	}	3854	};
		3855	}
3622		3856
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	3858	$sig->send;
3625	}	3859	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	3860	while (my $sig = shift @WAIT_FOR_TICK) {
3627	$sig->send;	3861	$sig->send;
3628	}	3862	}
3629		3863
3630	$NOW = Event::time;	3864	$LOAD = ($NOW - $TICK_START) / $TICK;
3631
3632	# if we are delayed by four ticks or more, skip them all
3633	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3634
3635	$TICK_WATCHER->at ($NEXT_TICK);
3636	$TICK_WATCHER->start;
3637
3638	$LOAD = ($NOW - $tick_start) / $TICK;
3639	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		3866
3641	_post_tick;	3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
3642	},	3873	}
3643	);	3874	}
3644		3875
3645	{	3876	{
		3877	# configure BDB
		3878
3646	BDB::min_parallel 8;	3879	BDB::min_parallel 8;
3647	BDB::max_poll_time $TICK * 0.1;	3880	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	3881	$AnyEvent::BDB::WATCHER->priority (1);
3649	reentrant => 0,
3650	fd => BDB::poll_fileno,
3651	poll => 'r',
3652	prio => 0,
3653	data => WF_AUTOCANCEL,
3654	cb => \&BDB::poll_cb,
3655	);
3656
3657	BDB::set_sync_prepare {
3658	my $status;
3659	my $current = $Coro::current;
3660	(
3661	sub {
3662	$status = $!;
3663	$current->ready; undef $current;
3664	},
3665	sub {
3666	Coro::schedule while defined $current;
3667	$! = $status;
3668	},
3669	)
3670	};
3671		3882
3672	unless ($DB_ENV) {	3883	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	3884	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		3890
3679	cf::sync_job {	3891	cf::sync_job {
3680	eval {	3892	eval {
…		…
3690		3902
3691	cf::cleanup "db_env_open(db): $@" if $@;	3903	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	3904	};
3693	}	3905	}
3694		3906
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3696	after => 3,
3697	interval => 1,
3698	hard => 1,
3699	prio => 0,
3700	data => WF_AUTOCANCEL,
3701	cb => sub {
3702	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	3909	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3706	after => 11,
3707	interval => 60,
3708	hard => 1,
3709	prio => 0,
3710	data => WF_AUTOCANCEL,
3711	cb => sub {
3712	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	3912	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3716	after => 5,
3717	interval => 10,
3718	hard => 1,
3719	prio => 0,
3720	data => WF_AUTOCANCEL,
3721	cb => sub {
3722	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	3915	};
3725	}	3916	}
3726		3917
3727	{	3918	{
		3919	# configure IO::AIO
		3920
3728	IO::AIO::min_parallel 8;	3921	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	3922	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	3923	undef $AnyEvent::AIO::WATCHER;
3733	reentrant => 0,
3734	data => WF_AUTOCANCEL,
3735	fd => IO::AIO::poll_fileno,
3736	poll => 'r',
3737	prio => 0,
3738	cb => \&IO::AIO::poll_cb,
3739	);
3740	}	3924	}
3741		3925
3742	my $_log_backtrace;	3926	my $_log_backtrace;
3743		3927
3744	sub _log_backtrace {	3928	sub _log_backtrace {
…		…
3747	$msg =~ s/\n//;	3931	$msg =~ s/\n//;
3748		3932
3749	# limit the # of concurrent backtraces	3933	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	3934	if ($_log_backtrace < 2) {
3751	++$_log_backtrace;	3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
3752	async {	3937	async {
3753	$Coro::current->{desc} = "abt $msg";	3938	$Coro::current->{desc} = "abt $msg";
3754		3939
3755	my @bt = fork_call {	3940	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	3941	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	3952	}
3768		3953
3769	@funcs	3954	@funcs
3770	};	3955	};
3771		3956
3772	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	3959	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	3960	--$_log_backtrace;
3775	};	3961	};
3776	} else {	3962	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	3963	LOG llevInfo, "[ABT] $msg\n";

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