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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 1.473 by root, Fri Jun 26 16:32:10 2009 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 qw(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 on
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
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
115		152
116	mkdir $_	153	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		155
119	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
162		199
163	The raw value load value from the last tick.	200	The raw value load value from the last tick.
164		201
165	=item %cf::CFG	202	=item %cf::CFG
166		203
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	205	from wherever your confdir points to.
169		206
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		208
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	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;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		231
195	LOG llevError, $msg;	232	LOG llevError, $msg;
196	};	233	};
197	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
198		250
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	261	for my $pkg (qw(
210	cf::global cf::attachable	262	cf::global cf::attachable
211	cf::object cf::object::player	263	cf::object cf::object::player
212	cf::client cf::player	264	cf::client cf::player
213	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
214	cf::map cf::party cf::region	267	cf::party cf::region
215	)) {	268	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	270	}
219		271
220	$Event::DIED = sub {	272	$EV::DIED = sub {
221	warn "error in event callback: @_";	273	warn "error in event callback: @_";
222	};	274	};
223		275
224	#############################################################################	276	#############################################################################
225		277
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	301	$d
250	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
251	}	303	}
252		304
253	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
254		306
255	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
256		308
257	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
258		310
259	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
260		312
261	=cut	313	=cut
262		314
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		316
265	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
267		333
268	=item cf::lock_wait $string	334	=item cf::lock_wait $string
269		335
270	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
271		337
272	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
273		339
274	Wait until the given lock is available and then acquires it and returns	340	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,	341	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	342	for example when the coroutine gets canceled), the lock is automatically
277	returned.	343	returned.
278		344
279	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	346	deadlocked coro.
…		…
286		352
287	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
288		354
289	=cut	355	=cut
290		356
291	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		358
294	sub lock_wait($) {	359	sub lock_wait($) {
295	my ($key) = @_;	360	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	361	}
308		362
309	sub lock_acquire($) {	363	sub lock_acquire($) {
310	my ($key) = @_;	364	$LOCKS->guard ($_[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	}	365	}
324		366
325	sub lock_active($) {	367	sub lock_active($) {
326	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	369	}
330		370
331	sub freeze_mainloop {	371	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
333		373
334	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	375	}
336	};	376
337	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
338	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
339	}	390	}
340		391
341	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
342		393
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	434	}
384	}	435	}
385	};	436	};
386		437
387	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
388	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
389		442
390	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
392		445
…		…
406		459
407	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
408		461
409	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
410		463
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	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	465	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	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	467	acceptable.
415		468
416	If it must be done, put the blocking parts into C<sync_job>. This will run	469	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	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		475
423	sub sync_job(&) {	476	sub sync_job(&) {
424	my ($job) = @_;	477	my ($job) = @_;
425		478
426	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	480	my $time = EV::time;
428		481
429	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
431		484
432	LOG llevError, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
433		486
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
437		488
438	my $busy = 1;	489	my $busy = 1;
439	my @res;	490	my @res;
440		491
…		…
447		498
448	while ($busy) {	499	while ($busy) {
449	if (Coro::nready) {	500	if (Coro::nready) {
450	Coro::cede_notself;	501	Coro::cede_notself;
451	} else {	502	} else {
452	Event::one_event;	503	EV::loop EV::LOOP_ONESHOT;
453	}	504	}
454	}	505	}
455		506
456	$time = Event::time - $time;	507	my $time = EV::time - $time;
457		508
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	509	$TICK_START += $time; # do not account sync jobs to server load
462		510
463	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
464	} else {	512	} else {
465	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
466		514
…		…
491	=item fork_call { }, $args	539	=item fork_call { }, $args
492		540
493	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
497		545
498	=cut	546	=cut
499		547
500	sub fork_call(&@) {	548	sub fork_call(&@) {
501	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
…		…
508	reset_signals;	556	reset_signals;
509	&$cb	557	&$cb
510	}, @args;	558	}, @args;
511		559
512	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
513	}	588	}
514		589
515	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
516		591
517	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
656		731
657	#############################################################################	732	#############################################################################
658		733
659	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
660		735
661	Many objects in crossfire are so-called attachable objects. That means you can	736	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")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
664		739
665	In the following description, CLASS can be any of C<global>, C<object>	740	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	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	742	Deliantra).
668		743
669	=over 4	744	=over 4
670		745
671	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
672		747
…		…
716	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
717		792
718	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
720		795
721	Some classes such as crossfire maps and objects can specify attachments	796	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.	797	that are attached at load/instantiate time, thus the need for a name.
723		798
724	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
725		800
726	=over 4	801	=over 4
…		…
954	}	1029	}
955		1030
956	0	1031	0
957	}	1032	}
958		1033
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1035
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1037
963	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
964		1039
…		…
1017		1092
1018	sub reattach {	1093	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1095	my ($obj) = @_;
1021		1096
		1097	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1099
1024	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1025		1101
1026	@$registry = ();	1102	@$registry = ();
1027		1103
…		…
1042	cf::attachable->attach (	1118	cf::attachable->attach (
1043	prio => -1000000,	1119	prio => -1000000,
1044	on_instantiate => sub {	1120	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1046		1122
1047	$data = from_json $data;	1123	$data = decode_json $data;
1048		1124
1049	for (@$data) {	1125	for (@$data) {
1050	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1051		1127
1052	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1073	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1076		1152
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
1081	close $fh;	1160	aio_close $fh;
1082		1161
1083	if (@$objs) {	1162	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
1089	close $fh;	1171	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1173	}
1092	} else {	1174	} else {
1093	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1094	}	1176	}
1095		1177
1096	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1182	} else {
1098	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1099	}	1184	}
1100	} else {	1185	} else {
1101	aio_unlink $filename;	1186	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1103	}	1188	}
…		…
1194	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1195		1280
1196	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1197	}	1282	}
1198		1283
		1284	use File::Glob ();
		1285
1199	cf::player->attach (	1286	cf::player->attach (
1200	on_command => sub {	1287	on_command => sub {
1201	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1202		1289
1203	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1235		1322
1236	cf::override;	1323	cf::override;
1237	},	1324	},
1238	);	1325	);
1239		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
		1339
1240	sub load_extensions {	1340	sub load_extensions {
1241	cf::sync_job {	1341	cf::sync_job {
1242	my %todo;	1342	my %todo;
1243		1343
1244	for my $path (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
…		…
1263		1363
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1366
1267	$ext{source} =	1367	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1269	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1270	. $source	1370	. $source
1271	. "\n};\n1";	1371	. "\n};\n1";
1272		1372
1273	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1289	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1290	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1291		1391
1292	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1293	warn $msg;	1393	warn $msg;
1294	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1295	exit 1;
1296	}	1395	}
1297		1396
1298	warn $msg;	1397	warn $msg;
1299	}	1398	}
1300		1399
…		…
1314		1413
1315	=back	1414	=back
1316		1415
1317	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1318		1417
1319	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1320		1419
1321	=cut	1420	=cut
1322		1421
1323	package cf::player;	1422	package cf::player;
1324		1423
…		…
1367		1466
1368	sub exists($) {	1467	sub exists($) {
1369	my ($login) = @_;	1468	my ($login) = @_;
1370		1469
1371	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1373	}	1472	}
1374		1473
1375	sub find($) {	1474	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1476	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1488	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1489	or return;
1391		1490
1392	my $pl = cf::player::load_pl $f	1491	my $pl = cf::player::load_pl $f
1393	or return;	1492	or return;
		1493
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1494	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1495	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1397	}	1497	}
1398	}	1498	}
…		…
1408		1508
1409	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1410		1510
1411	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
		1513
		1514	cf::get_slot 0.01;
1413		1515
1414	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1517	cf::cede_to_tick;
1416	}	1518	}
1417		1519
…		…
1449	my ($pl) = @_;	1551	my ($pl) = @_;
1450		1552
1451	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1452		1554
1453	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1557
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1457	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1459	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1460		1564
1461	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1501		1605
1502	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
1503	my $path = path $login;	1607	my $path = path $login;
1504		1608
1505	# a .pst is a dead give-away for a valid player	1609	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1615	}
1511		1616
…		…
1542	}	1647	}
1543		1648
1544	\@paths	1649	\@paths
1545	}	1650	}
1546		1651
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1653
1549	Expand crossfire pod fragments into protocol xml.	1654	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		1655
1637	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1638		1657
1639	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1640		1659
…		…
1707	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1708	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1709		1728
1710	sub generate_random_map {	1729	sub generate_random_map {
1711	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1712	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1713	$self->_create_random_map (	1735	$self->_create_random_map (
1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1838		1860
1839	# the temporary/swap location	1861	# the temporary/swap location
1840	sub save_path {	1862	sub save_path {
1841	my ($self) = @_;	1863	my ($self) = @_;
1842		1864
1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1845	}	1867	}
1846		1868
1847	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1848	sub uniq_path {	1870	sub uniq_path {
1849	my ($self) = @_;	1871	my ($self) = @_;
1850		1872
1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$path"
1853	}
1854
1855	# and all this just because we cannot iterate over
1856	# all maps in C++...
1857	sub change_all_map_light {
1858	my ($change) = @_;
1859
1860	$_->change_map_light ($change)
1861	for grep $_->outdoor, values %cf::MAP;
1862	}	1875	}
1863		1876
1864	sub decay_objects {	1877	sub decay_objects {
1865	my ($self) = @_;	1878	my ($self) = @_;
1866		1879
…		…
1950	sub find {	1963	sub find {
1951	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1952		1965
1953	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1954		1967
1955	cf::lock_wait "map_data:$path";#d#remove	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1956	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1957		1970
1958	$cf::MAP{$path} || do {	1971	$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
1961
1962	my $map = new_from_path cf::map $path	1972	my $map = new_from_path cf::map $path
1963	or return;	1973	or return;
1964		1974
1965	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1966		1976
…		…
1968	or return;	1978	or return;
1969		1979
1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1972	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
1973	undef $guard1;	1984	undef $guard1;
1974	undef $guard2;
1975	$map->reset;	1985	$map->reset;
1976	return find $path;	1986	return find $path;
1977	}	1987	}
1978		1988
1979	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
…		…
2006	my $f = new_from_file cf::object::thawer $self->{load_path};	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
2007	$f->skip_block;	2017	$f->skip_block;
2008	$self->_load_objects ($f)	2018	$self->_load_objects ($f)
2009	or return;	2019	or return;
2010		2020
2011	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
2012	if delete $self->{load_original};	2022	if delete $self->{load_original};
2013		2023
2014	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
2015	utf8::encode $uniq;	2025	utf8::encode $uniq;
2016	unless (aio_stat $uniq) {	2026	unless (aio_stat $uniq) {
…		…
2034	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
2035	$self->decay_objects;	2045	$self->decay_objects;
2036	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
2037	$self->update_buttons;	2047	$self->update_buttons;
2038	cf::cede_to_tick;	2048	cf::cede_to_tick;
2039	$self->set_darkness_map;
2040	cf::cede_to_tick;
2041	$self->activate;	2049	$self->activate;
2042	}	2050	}
2043		2051
2044	$self->{last_save} = $cf::RUNTIME;	2052	$self->{last_save} = $cf::RUNTIME;
2045	$self->last_access ($cf::RUNTIME);	2053	$self->last_access ($cf::RUNTIME);
2046		2054
2047	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
2048	}	2056	}
2049		2057
2050	$self->post_load;	2058	$self->post_load;
2051	}	2059	}
2052		2060
…		…
2110	my ($path, $origin, $load) = @_;	2118	my ($path, $origin, $load) = @_;
2111		2119
2112	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
2113		2121
2114	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
2115	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116	}	2124	}
2117		2125
2118	$MAP_PREFETCH{$path} |= $load;	2126	$MAP_PREFETCH{$path} |= $load;
2119		2127
2120	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
…		…
2157	cf::async {	2165	cf::async {
2158	$Coro::current->{desc} = "map player save";	2166	$Coro::current->{desc} = "map player save";
2159	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2160	};	2168	};
2161		2169
		2170	cf::get_slot 0.02;
		2171
2162	if ($uniq) {	2172	if ($uniq) {
2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2165	} else {	2175	} else {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2174	$self->save;	2184	$self->save;
2175		2185
2176	my $lock = cf::lock_acquire "map_data:$self->{path}";	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2177		2187
2178	return if $self->players;	2188	return if $self->players;
2179	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2180	return if $self->{deny_save};	2190	return if $self->{deny_save};
2181		2191
2182	$self->in_memory (cf::MAP_SWAPPED);	2192	$self->in_memory (cf::MAP_SWAPPED);
2183		2193
2184	$self->deactivate;	2194	$self->deactivate;
…		…
2302		2312
2303	sub unique_maps() {	2313	sub unique_maps() {
2304	[	2314	[
2305	map {	2315	map {
2306	utf8::decode $_;	2316	utf8::decode $_;
2307	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2308	? normalise $_	2320	: normalise $_
2309	: ()
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2322	]
2312	}	2323	}
2313		2324
2314	package cf;
2315
2316	=back	2325	=back
2317		2326
2318	=head3 cf::object	2327	=head3 cf::object
2319		2328
2320	=cut	2329	=cut
…		…
2323		2332
2324	=over 4	2333	=over 4
2325		2334
2326	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2327		2336
2328	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2329		2339
2330	=cut	2340	=cut
2331		2341
2332	sub inv_recursive_;	2342	sub inv_recursive_;
2333	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2338	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2339	}	2349	}
2340		2350
2341	=item $ref = $ob->ref	2351	=item $ref = $ob->ref
2342		2352
2343	creates and returns a persistent reference to an objetc that can be stored as a string.	2353	Creates and returns a persistent reference to an object that can be stored as a string.
2344		2354
2345	=item $ob = cf::object::deref ($refstring)	2355	=item $ob = cf::object::deref ($refstring)
2346		2356
2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348	even if the object actually exists. May block.	2358	even if the object actually exists. May block.
…		…
2380	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2381	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2382		2392
2383	=cut	2393	=cut
2384		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
		2408
2385	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2386	# with dialog boxes.	2410	# with dialog boxes.
2387	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2388	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
2389	my ($self, $npc, $msg, $flags) = @_;	2413	my ($self, $npc, $msg, $flags) = @_;
…		…
2400	my $dialog = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2401	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402		2426
2403	} else {	2427	} else {
2404	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2405	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2406	}	2430	}
2407	}	2431	}
2408	}	2432	}
2409		2433
2410	=item $object->send_msg ($channel, $msg, $color, [extra...])	2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2435		2459
2436	=item $player_object->enter_link	2460	=item $player_object->enter_link
2437		2461
2438	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2439		2463
2440	The player should be reasonably safe there for short amounts of time. You	2464	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.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2442		2468
2443	Will never block.	2469	Will never block.
2444		2470
2445	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2446		2472
…		…
2504		2530
2505	$map->load;	2531	$map->load;
2506	$map->load_neighbours;	2532	$map->load_neighbours;
2507		2533
2508	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2509	$self->activate_recursive;	2536	$self->activate_recursive;
2510		2537
2511	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2512	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2513	}	2540	}
…		…
2517	Moves the player to the given map-path and coordinates by first freezing	2544	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	2545	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	2546	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	2547	the new (success) or old (failed) map position. In either case, $done will
2521	be called at the end of this process.	2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2522		2552
2523	=cut	2553	=cut
2524		2554
2525	our $GOTOGEN;	2555	our $GOTOGEN;
2526		2556
…		…
2605	}	2635	}
2606		2636
2607	sub prepare_random_map {	2637	sub prepare_random_map {
2608	my ($exit) = @_;	2638	my ($exit) = @_;
2609		2639
2610	my $guard = cf::lock_acquire "exit_prepare:$exit";
2611
2612	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2613	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2614	# that depends on the exit object	2642	# that depends on the exit object
2615		2643
2616	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2618	if ($exit->map) {	2646	if ($exit->map) {
2619	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2620	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2621	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2622	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2623	}	2653	}
2624		2654
2625	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2626		2656
2627	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2628	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2629	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2630		2660
2631	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2632	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2633	undef $fh;	2663	undef $fh;
2634	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2635		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2636	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2637	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2638	}	2672	}
2639	}	2673	}
2640		2674
2641	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2642	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2643		2677
2644	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2645		2679
2646	if ($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;	2680	$self->enter_link;
2658		2681
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 {	2682	(async {
2664	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2683	$Coro::current->{desc} = "enter_exit";
2665		2684
2666	$self->deactivate_recursive; # just to be sure
2667	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2668	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2669		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2670	1;	2706	1
2671	}) {	2707	}) {
2672	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2673	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2674	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2675	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2676		2712
2677	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2743	id => "infobox",	2779	id => "infobox",
2744	title => "Body Parts",	2780	title => "Body Parts",
2745	reply => undef,	2781	reply => undef,
2746	tooltip => "Shows which body parts you posess and are available",	2782	tooltip => "Shows which body parts you posess and are available",
2747	},	2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		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	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
2760	);	2846	);
2761		2847
2762	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2763	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2764		2850
2765	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2766		2853
2767	$color &= cf::NDI_CLIENT_MASK; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2768		2855
2769	# check predefined channels, for the benefit of C	2856	# check predefined channels, for the benefit of C
2770	if ($CHANNEL{$channel}) {	2857	if ($CHANNEL{$channel}) {
2771	$channel = $CHANNEL{$channel};	2858	$channel = $CHANNEL{$channel};
2772		2859
2773	$self->ext_msg (channel_info => $channel)	2860	$self->ext_msg (channel_info => $channel);
2774	if $self->can_msg;
2775
2776	$channel = $channel->{id};	2861	$channel = $channel->{id};
2777		2862
2778	} elsif (ref $channel) {	2863	} elsif (ref $channel) {
2779	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2780	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2781	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2782	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel);
2783	if $self->can_msg;
2784	}	2868	}
2785		2869
2786	$channel = $channel->{id};	2870	$channel = $channel->{id};
2787	}	2871	}
2788		2872
2789	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2790		2874
2791	if ($self->can_msg) {
2792	# default colour, mask it out	2875	# default colour, mask it out
2793	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794	if $color & cf::NDI_DEF;	2877	if $color & cf::NDI_DEF;
2795		2878
2796	$self->send_packet ("msg " . $self->{json_coder}->encode (	2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
2797	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2798	} else {	2882	);
2799	if ($color >= 0) {
2800	# replace some tags by gcfclient-compatible ones
2801	for ($msg) {
2802	1 while
2803	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808	}
2809		2883
2810	$color &= cf::NDI_COLOR_MASK;	2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
2811		2887
2812	utf8::encode $msg;	2888	# split very large packets
2813		2889	if (8192 < length $pkt and $self->{can_lzf}) {
2814	if (0 && $msg =~ /\[/) {	2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2815	# COMMAND/INFO	2891	$pkt = "frag";
2816	$self->send_packet ("drawextinfo $color 10 8 $msg")
2817	} else {
2818	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819	$self->send_packet ("drawinfo $color $msg")
2820	}
2821	}
2822	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2823	}	2895	}
2824		2896
2825	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2826		2898
2827	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
3001		3073
3002	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
3003		3075
3004	cf::object	3076	cf::object
3005	contr pay_amount pay_player map x y force_find force_add destroy	3077	contr pay_amount pay_player map x y force_find force_add destroy
3006	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
		3079	value
3007		3080
3008	cf::object::player	3081	cf::object::player
3009	player	3082	player
3010		3083
3011	cf::player	3084	cf::player
…		…
3016		3089
3017	=cut	3090	=cut
3018		3091
3019	for (	3092	for (
3020	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021	insert remove inv name archname title slaying race	3094	insert remove inv nrof name archname title slaying race
3022	decrease_ob_nr destroy)],	3095	decrease split destroy change_exp value msg lore send_msg)],
3023	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
3024	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
3025	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
3026	) {	3099	) {
3027	no strict 'refs';	3100	no strict 'refs';
3028	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
3029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3046	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
3047		3120
3048	my $qcode = $code;	3121	my $qcode = $code;
3049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3050	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
3051		3126
3052	local $_;	3127	local $_;
3053	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
3054		3129
3055	my $eval =	3130	my $eval =
…		…
3132	{	3207	{
3133	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
3134		3209
3135	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
3136	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
3137	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
3138	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
3139	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3215	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};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3141		3217
3142	cf::cede_to_tick;	3218	cf::cede_to_tick;
3143	}	3219	}
3144		3220
3145	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
3146	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
3147	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
3148	or next;	3225	or next;
		3226
3149	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
3150	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
3151	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152	} else {	3230	} else {
3153	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3171	{	3249	{
3172	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
3173	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
3174	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
3175		3253
3176	my $soundconf = delete $res->{"res/sound.conf"};
3177
3178	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
3179	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180	my $data;	3257	my $data;
3181		3258
3182	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
3183	# prepend meta info	3260	# prepend meta info
3184		3261
3185	my $meta = $enc->encode ({	3262	my $meta = $enc->encode ({
3186	name => $name,	3263	name => $name,
3187	%{ $info->{meta} || {} },	3264	%{ $info->{meta} || {} },
3188	});	3265	});
3189		3266
3190	$data = pack "(w/a*)*", $meta, $info->{data};	3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
3191	} else {	3274	} else {
3192	$data = $info->{data};	3275	$RESOURCE{$name} = $info;
3193	}	3276	}
3194		3277
3195	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196	cf::face::set_type $idx, $info->{type};
3197
3198	cf::cede_to_tick;	3278	cf::cede_to_tick;
3199	}	3279	}
3200
3201	if ($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	}	3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3219		3283
3220	1	3284	1
3221	}	3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
3222		3306
3223	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
3224	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
3225		3309
3226	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
3227	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
3228	}	3312	}
3229	};	3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
3230		3324
3231	sub reload_regions {	3325	sub reload_regions {
3232	# HACK to clear player env face cache, we need some signal framework	3326	# HACK to clear player env face cache, we need some signal framework
3233	# for this (global event?)	3327	# for this (global event?)
3234	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3248	}	3342	}
3249		3343
3250	sub reload_archetypes {	3344	sub reload_archetypes {
3251	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3252	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3253	#d# NEED to laod twice to resolve forward references
3254	# this really needs to be done in an extra post-pass
3255	# (which needs to be synchronous, so solve it differently)
3256	load_resource_file "$DATADIR/archetypes"
3257	or die "unable to load archetypes\n";
3258	}	3347	}
3259		3348
3260	sub reload_treasures {	3349	sub reload_treasures {
3261	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3262	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3263	}	3352	}
3264		3353
3265	sub reload_resources {	3354	sub reload_resources {
3266	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3267		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3268	reload_regions;	3359	reload_regions;
3269	reload_facedata;
3270	#reload_archetypes;#d#
3271	reload_archetypes;
3272	reload_treasures;	3360	reload_treasures;
3273		3361
3274	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3275	}
3276
3277	sub init {
3278	reload_resources;
3279	}	3363	}
3280		3364
3281	sub reload_config {	3365	sub reload_config {
3282	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3283	or return;	3367	or return;
3284		3368
3285	local $/;	3369	local $/;
3286	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
3287		3371
3288	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3289		3373
3290	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$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};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3297	};	3381	};
3298	warn $@ if $@;	3382	warn $@ if $@;
3299	}	3383	}
3300	}	3384	}
3301		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3302	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
3303	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
3304	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
3305	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3306	(async {	3423	(async {
3307	$Coro::current->{desc} = "IDLE BUG HANDLER";	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
3308	Event::one_event;	3425	EV::loop EV::LOOP_ONESHOT;
3309	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
3310	};	3427	};
3311		3428
		3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
3312	reload_config;	3433	reload_config;
3313	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
3314	load_extensions;	3447	load_extensions;
3315		3448
3316	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
3317	Event::loop;	3457	EV::loop;
3318	}	3458	}
3319		3459
3320	#############################################################################	3460	#############################################################################
3321	# initialisation and cleanup	3461	# initialisation and cleanup
3322		3462
3323	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
3324	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
3325	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
3326	Event->signal (	3467	$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";	3468	cf::cleanup "SIG$signal";
3333	},
3334	);	3469	};
3335	}	3470	}
3336	}	3471	}
3337		3472
3338	sub write_runtime {	3473	sub write_runtime_sync {
3339	my $runtime = "$LOCALDIR/runtime";
3340
3341	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3342	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3343		3476
3344	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3345		3478
3346	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3347		3480
3348	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3349	or return;	3482	or return;
3350		3483
3351	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3352	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3353	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3363	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3364		3497
3365	close $fh	3498	close $fh
3366	or return;	3499	or return;
3367		3500
3368	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3369	and return;	3502	and return;
3370		3503
3371	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3372		3505
3373	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3374	}	3557	}
3375		3558
3376	sub emergency_save() {	3559	sub emergency_save() {
3377	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3378		3561
3379	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3380		3563
3381	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3382	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3383	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3384	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3385	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3386	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3387	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3388	$pl->valid or next;	3576	$pl->valid or next;
3389	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3390	$pl->save;	3578	$pl->save;
3391	}	3579	}
3392	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3393		3581
3394	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3395	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3396	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3397	$map->valid or next;	3585	$map->valid or next;
3398	$map->save;	3586	$map->save;
3399	}	3587	}
3400	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3401		3589
3402	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3403	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3404	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3405	};	3597	};
3406		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3407	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3408	}	3605	}
3409		3606
3410	sub post_cleanup {	3607	sub post_cleanup {
3411	my ($make_core) = @_;	3608	my ($make_core) = @_;
3412		3609
3413	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3414	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3415	}	3641	}
3416		3642
3417	sub do_reload_perl() {	3643	sub do_reload_perl() {
3418	# can/must only be called in main	3644	# can/must only be called in main
3419	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3420	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3421	return;	3647	return;
3422	}	3648	}
3423		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3424	warn "reloading...";	3655	warn "reloading...";
3425		3656
3426	warn "entering sync_job";	3657	warn "entering sync_job";
3427		3658
3428	cf::sync_job {	3659	cf::sync_job {
3429	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3430	cf::emergency_save;	3661	cf::emergency_save;
3431	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3432		3663
3433	warn "syncing database to disk";	3664	warn "syncing database to disk";
3434	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3435		3666
3436	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3437		3668
3438	warn "cancelling all WF_AUTOCANCEL watchers";
3439	for (Event::all_watchers) {
3440	$_->cancel if $_->data & WF_AUTOCANCEL;
3441	}
3442
3443	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3444	for (;;) {
3445	BDB::flush;
3446	IO::AIO::flush;
3447	Coro::cede_notself;
3448	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3449	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3450	}
3451
3452	++$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	}	3672	}
3475		3673
3476	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3477	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3478	}	3676	%EXT_CORO = ();
3479		3677
3480	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3481	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3482	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3483		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3484	warn "... unloading $k";	3687	warn "... unloading $pkg";
3485	delete $INC{$k};
3486		3688
3487	$k =~ s/\.pm$//;
3488	$k =~ s/\//::/g;
3489
3490	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3491	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3492	}	3698	}
3493		3699
3494	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3495	}	3715	}
3496		3716
3497	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3498	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3499	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3500		3720
3501	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3502	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3503	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3504		3724
3505	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3506	# and global variables created in xs	3726	# and global variables created in xs
3507	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3508		3728
3509	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3510		3730
3511	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3512	require cf;	3732	require cf;
3513	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3514		3734
3515	warn "loading config and database again";	3735	warn "loading config and database again";
3516	cf::reload_config;	3736	cf::reload_config;
3517		3737
3518	warn "loading extensions";	3738	warn "loading extensions";
3519	cf::load_extensions;	3739	cf::load_extensions;
3520		3740
		3741	if ($REATTACH_ON_RELOAD) {
3521	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3522	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3523	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3524	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3525	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3526	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3527		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3528	warn "leaving sync_job";	3753	warn "leaving sync_job";
3529		3754
3530	1	3755	1
3531	} or do {	3756	} or do {
3532	warn $@;	3757	warn $@;
3533	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3534	exit 1;
3535	};	3759	};
3536		3760
3537	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3538	};	3767	};
3539		3768
3540	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3541		3770
3542	sub reload_perl() {	3771	sub reload_perl() {
3543	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3544	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3545		3774
3546	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3547	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3548	after => 0,	3777
3549	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3550	cb => sub {
3551	do_reload_perl;	3779	do_reload_perl;
3552	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3553	},	3781	};
3554	);	3782	};
3555	}	3783	}
3556		3784
3557	register_command "reload" => sub {	3785	register_command "reload" => sub {
3558	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3559		3787
…		…
3572		3800
3573	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3574	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3575		3803
3576	sub wait_for_tick {	3804	sub wait_for_tick {
3577	return unless $TICK_WATCHER->is_active;
3578	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3579		3806
3580	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3581	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3582	$signal->wait;	3809	$signal->wait;
3583	}	3810	}
3584		3811
3585	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3588		3814
3589	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3591	$signal->wait;	3817	$signal->wait;
3592	}	3818	}
3593		3819
3594	$TICK_WATCHER = Event->timer (	3820	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 != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3602	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3603	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3604	return;	3824	return;
3605	}	3825	}
3606		3826
3607	$NOW = $tick_start = Event::time;
3608
3609	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3610		3828
3611	$RUNTIME += $TICK;
3612	$NEXT_TICK += $TICK;
3613
3614	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3615	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3616	Coro::async_pool {	3831	Coro::async_pool {
3617	$Coro::current->{desc} = "runtime saver";	3832	$Coro::current->{desc} = "runtime saver";
3618	write_runtime	3833	write_runtime_sync
3619	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
3620	};
3621	}	3835	};
		3836	}
3622		3837
3623	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3624	$sig->send;	3839	$sig->send;
3625	}	3840	}
3626	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3627	$sig->send;	3842	$sig->send;
3628	}	3843	}
3629		3844
3630	$NOW = Event::time;	3845	$LOAD = ($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;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640		3847
3641	_post_tick;	3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3642	},	3854	}
3643	);	3855	}
3644		3856
3645	{	3857	{
		3858	# configure BDB
		3859
3646	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3647	BDB::max_poll_time $TICK * 0.1;	3861	BDB::max_poll_reqs $TICK * 0.1;
3648	$BDB_POLL_WATCHER = Event->io (	3862	$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	$! = $status;
3668	},
3669	)
3670	};
3671		3863
3672	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3673	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
3674	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3675	| BDB::LOG_AUTOREMOVE, 1);	3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3676	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3678		3871
3679	cf::sync_job {	3872	cf::sync_job {
3680	eval {	3873	eval {
…		…
3690		3883
3691	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3692	};	3885	};
3693	}	3886	}
3694		3887
3695	$BDB_DEADLOCK_WATCHER = Event->timer (	3888	$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 { };	3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703	},
3704	);	3890	};
3705	$BDB_CHECKPOINT_WATCHER = Event->timer (	3891	$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 { };	3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713	},
3714	);	3893	};
3715	$BDB_TRICKLE_WATCHER = Event->timer (	3894	$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 { };	3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723	},
3724	);	3896	};
3725	}	3897	}
3726		3898
3727	{	3899	{
		3900	# configure IO::AIO
		3901
3728	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3729
3730	undef $Coro::AIO::WATCHER;
3731	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3732	$AIO_POLL_WATCHER = Event->io (	3904	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	}	3905	}
3741		3906
3742	my $_log_backtrace;	3907	my $_log_backtrace;
3743		3908
3744	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3747	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3748		3913
3749	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3750	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3751	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3752	async {	3918	async {
3753	$Coro::current->{desc} = "abt $msg";	3919	$Coro::current->{desc} = "abt $msg";
3754		3920
3755	my @bt = fork_call {	3921	my @bt = fork_call {
3756	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
…		…
3767	}	3933	}
3768		3934
3769	@funcs	3935	@funcs
3770	};	3936	};
3771		3937
3772	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3773	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3774	--$_log_backtrace;	3941	--$_log_backtrace;
3775	};	3942	};
3776	} else {	3943	} else {
3777	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3778	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3779	}	3946	}
3780	}	3947	}
3781		3948
3782	# load additional modules	3949	# load additional modules
3783	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3784		3951
3785	END { cf::emergency_save }	3952	END { cf::emergency_save }
3786		3953
3787	1	3954	1
3788		3955

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