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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 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 off
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		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	}
115		150
116	mkdir $_	151	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
162		197
163	The raw value load value from the last tick.	198	The raw value load value from the last tick.
164		199
165	=item %cf::CFG	200	=item %cf::CFG
166		201
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	202	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	203	from wherever your confdir points to.
169		204
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	205	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		206
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	207	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;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		229
195	LOG llevError, $msg;	230	LOG llevError, $msg;
196	};	231	};
197	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
198		248
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	259	for my $pkg (qw(
210	cf::global cf::attachable	260	cf::global cf::attachable
211	cf::object cf::object::player	261	cf::object cf::object::player
212	cf::client cf::player	262	cf::client cf::player
213	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
214	cf::map cf::party cf::region	265	cf::party cf::region
215	)) {	266	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	268	}
219		269
220	$Event::DIED = sub {	270	$EV::DIED = sub {
221	warn "error in event callback: @_";	271	warn "error in event callback: @_";
222	};	272	};
223		273
224	#############################################################################	274	#############################################################################
225		275
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	298	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	299	$d
250	} || "[unable to dump $_[0]: '$@']";	300	} || "[unable to dump $_[0]: '$@']";
251	}	301	}
252		302
253	=item $ref = cf::from_json $json	303	=item $ref = cf::decode_json $json
254		304
255	Converts a JSON string into the corresponding perl data structure.	305	Converts a JSON string into the corresponding perl data structure.
256		306
257	=item $json = cf::to_json $ref	307	=item $json = cf::encode_json $ref
258		308
259	Converts a perl data structure into its JSON representation.	309	Converts a perl data structure into its JSON representation.
260		310
261	=cut	311	=cut
262		312
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		314
265	sub to_json ($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
267		331
268	=item cf::lock_wait $string	332	=item cf::lock_wait $string
269		333
270	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
271		335
272	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
273		337
274	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
277	returned.	341	returned.
278		342
279	Locks are *not* recursive, locking from the same coro twice results in a	343	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	344	deadlocked coro.
…		…
286		350
287	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
288		352
289	=cut	353	=cut
290		354
291	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		356
294	sub lock_wait($) {	357	sub lock_wait($) {
295	my ($key) = @_;	358	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	359	}
308		360
309	sub lock_acquire($) {	361	sub lock_acquire($) {
310	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
324		364
325	sub lock_active($) {	365	sub lock_active($) {
326	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	367	}
330		368
331	sub freeze_mainloop {	369	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
333		371
334	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	373	}
336	};	374
337	$TICK_WATCHER->stop;	375	=item cf::periodic $interval, $cb
338	$guard	376
		377	Like EV::periodic, but randomly selects a starting point so that the actions
		378	get spread over timer.
		379
		380	=cut
		381
		382	sub periodic($$) {
		383	my ($interval, $cb) = @_;
		384
		385	my $start = rand List::Util::min 180, $interval;
		386
		387	EV::periodic $start, $interval, 0, $cb
339	}	388	}
340		389
341	=item cf::get_slot $time[, $priority[, $name]]	390	=item cf::get_slot $time[, $priority[, $name]]
342		391
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	392	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	432	}
384	}	433	}
385	};	434	};
386		435
387	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
388	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
389		440
390	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
392		443
…		…
406		457
407	BEGIN { *async = \&Coro::async_pool }	458	BEGIN { *async = \&Coro::async_pool }
408		459
409	=item cf::sync_job { BLOCK }	460	=item cf::sync_job { BLOCK }
410		461
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	462	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	463	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	464	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	465	acceptable.
415		466
416	If it must be done, put the blocking parts into C<sync_job>. This will run	467	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	468	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		473
423	sub sync_job(&) {	474	sub sync_job(&) {
424	my ($job) = @_;	475	my ($job) = @_;
425		476
426	if ($Coro::current == $Coro::main) {	477	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	478	my $time = EV::time;
428		479
429	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
431		482
432	LOG llevError, Carp::longmess "sync job";#d#	483	LOG llevError, Carp::longmess "sync job";#d#
433		484
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
437		486
438	my $busy = 1;	487	my $busy = 1;
439	my @res;	488	my @res;
440		489
…		…
444	warn $@ if $@;	493	warn $@ if $@;
445	undef $busy;	494	undef $busy;
446	})->prio (Coro::PRIO_MAX);	495	})->prio (Coro::PRIO_MAX);
447		496
448	while ($busy) {	497	while ($busy) {
449	Coro::cede or Event::one_event;	498	if (Coro::nready) {
		499	Coro::cede_notself;
		500	} else {
		501	EV::loop EV::LOOP_ONESHOT;
450	}	502	}
		503	}
451		504
452	$time = Event::time - $time;	505	my $time = EV::time - $time;
453		506
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
458		508
459	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
460	} else {	510	} else {
461	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
462		512
…		…
487	=item fork_call { }, $args	537	=item fork_call { }, $args
488		538
489	Executes the given code block with the given arguments in a seperate	539	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	540	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	541	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	542	never block itself or use any form of event handling.
493		543
494	=cut	544	=cut
495		545
496	sub fork_call(&@) {	546	sub fork_call(&@) {
497	my ($cb, @args) = @_;	547	my ($cb, @args) = @_;
…		…
504	reset_signals;	554	reset_signals;
505	&$cb	555	&$cb
506	}, @args;	556	}, @args;
507		557
508	wantarray ? @res : $res[-1]	558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
509	}	586	}
510		587
511	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
512		589
513	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
652		729
653	#############################################################################	730	#############################################################################
654		731
655	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
656		733
657	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
660		737
661	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	740	Deliantra).
664		741
665	=over 4	742	=over 4
666		743
667	=item $attachable->attach ($attachment, key => $value...)	744	=item $attachable->attach ($attachment, key => $value...)
668		745
…		…
712	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
713		790
714	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
716		793
717	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
719		796
720	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
721		798
722	=over 4	799	=over 4
…		…
950	}	1027	}
951		1028
952	0	1029	0
953	}	1030	}
954		1031
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1033
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1035
959	Generate an object-specific event with the given arguments.	1036	Generate an object-specific event with the given arguments.
960		1037
…		…
1013		1090
1014	sub reattach {	1091	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1093	my ($obj) = @_;
1017		1094
		1095	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1097
1020	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
1021		1099
1022	@$registry = ();	1100	@$registry = ();
1023		1101
…		…
1038	cf::attachable->attach (	1116	cf::attachable->attach (
1039	prio => -1000000,	1117	prio => -1000000,
1040	on_instantiate => sub {	1118	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
1042		1120
1043	$data = from_json $data;	1121	$data = decode_json $data;
1044		1122
1045	for (@$data) {	1123	for (@$data) {
1046	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
1047		1125
1048	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1072		1150
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1077	close $fh;	1155	aio_close $fh;
1078		1156
1079	if (@$objs) {	1157	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1085	close $fh;	1163	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1165	}
1088	} else {	1166	} else {
1089	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1090	}	1168	}
1091		1169
1092	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1174	} else {
1094	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1095	}	1176	}
1096	} else {	1177	} else {
1097	aio_unlink $filename;	1178	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1099	}	1180	}
…		…
1118		1199
1119	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1202	or return;
1122		1203
1123	my $st = eval { Coro::Storable::thaw $av }	1204	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1205	$av = $st->{objs};
1126	}	1206	}
1127		1207
1128	utf8::decode (my $decname = $filename);	1208	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
…		…
1191	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1192		1272
1193	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1194	}	1274	}
1195		1275
		1276	use File::Glob ();
		1277
1196	cf::player->attach (	1278	cf::player->attach (
1197	on_command => sub {	1279	on_command => sub {
1198	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1199		1281
1200	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1232		1314
1233	cf::override;	1315	cf::override;
1234	},	1316	},
1235	);	1317	);
1236		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
		1331
1237	sub load_extensions {	1332	sub load_extensions {
1238	cf::sync_job {	1333	cf::sync_job {
1239	my %todo;	1334	my %todo;
1240		1335
1241	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1260		1355
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1358
1264	$ext{source} =	1359	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1267	. $source	1362	. $source
1268	. "\n};\n1";	1363	. "\n};\n1";
1269		1364
1270	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1288		1383
1289	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1385	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1387	}
1294		1388
1295	warn $msg;	1389	warn $msg;
1296	}	1390	}
1297		1391
…		…
1311		1405
1312	=back	1406	=back
1313		1407
1314	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1315		1409
1316	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1317		1411
1318	=cut	1412	=cut
1319		1413
1320	package cf::player;	1414	package cf::player;
1321		1415
…		…
1364		1458
1365	sub exists($) {	1459	sub exists($) {
1366	my ($login) = @_;	1460	my ($login) = @_;
1367		1461
1368	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1370	}	1464	}
1371		1465
1372	sub find($) {	1466	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1468	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1481	or return;
1388		1482
1389	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1390	or return;	1484	or return;
		1485
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1394	}	1489	}
1395	}	1490	}
…		…
1405		1500
1406	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1407		1502
1408	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1410		1507
1411	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1509	cf::cede_to_tick;
1413	}	1510	}
1414		1511
…		…
1446	my ($pl) = @_;	1543	my ($pl) = @_;
1447		1544
1448	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1449		1546
1450	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1549
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1457		1556
1458	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1597
1499	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1500	my $path = path $login;	1599	my $path = path $login;
1501		1600
1502	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1607	}
1508		1608
…		…
1539	}	1639	}
1540		1640
1541	\@paths	1641	\@paths
1542	}	1642	}
1543		1643
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1645
1546	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1647
1595	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1596		1649
1597	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1598		1651
…		…
1665	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1667		1720
1668	sub generate_random_map {	1721	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1670	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1727	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1852
1797	# the temporary/swap location	1853	# the temporary/swap location
1798	sub save_path {	1854	sub save_path {
1799	my ($self) = @_;	1855	my ($self) = @_;
1800		1856
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1803	}	1859	}
1804		1860
1805	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1806	sub uniq_path {	1862	sub uniq_path {
1807	my ($self) = @_;	1863	my ($self) = @_;
1808		1864
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	1867	}
1821		1868
1822	sub decay_objects {	1869	sub decay_objects {
1823	my ($self) = @_;	1870	my ($self) = @_;
1824		1871
…		…
1908	sub find {	1955	sub find {
1909	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1910		1957
1911	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1912		1959
1913	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1915		1962
1916	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1921	or return;	1965	or return;
1922		1966
1923	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1924		1968
…		…
1926	or return;	1970	or return;
1927		1971
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1931	undef $guard1;	1976	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1977	$map->reset;
1934	return find $path;	1978	return find $path;
1935	}	1979	}
1936		1980
1937	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2009	$f->skip_block;
1966	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
1967	or return;	2011	or return;
1968		2012
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1970	if delete $self->{load_original};	2014	if delete $self->{load_original};
1971		2015
1972	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2017	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
1992	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2037	$self->decay_objects;
1994	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1995	$self->update_buttons;	2039	$self->update_buttons;
1996	cf::cede_to_tick;	2040	cf::cede_to_tick;
1997	$self->set_darkness_map;
1998	cf::cede_to_tick;
1999	$self->activate;	2041	$self->activate;
2000	}	2042	}
2001		2043
2002	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
2004		2046
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2048	}
2007		2049
2008	$self->post_load;	2050	$self->post_load;
2009	}	2051	}
2010		2052
…		…
2068	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2069		2111
2070	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2071		2113
2072	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2116	}
2075		2117
2076	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2077		2119
2078	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2157	cf::async {
2116	$Coro::current->{desc} = "map player save";	2158	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2118	};	2160	};
2119		2161
		2162	cf::get_slot 0.02;
		2163
2120	if ($uniq) {	2164	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2167	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2176	$self->save;
2133		2177
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2179
2136	return if $self->players;	2180	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2182	return if $self->{deny_save};
2139		2183
2140	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2141		2185
2142	$self->deactivate;	2186	$self->deactivate;
…		…
2260		2304
2261	sub unique_maps() {	2305	sub unique_maps() {
2262	[	2306	[
2263	map {	2307	map {
2264	utf8::decode $_;	2308	utf8::decode $_;
2265	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2266	? normalise $_	2312	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2314	]
2270	}	2315	}
2271		2316
2272	package cf;
2273
2274	=back	2317	=back
2275		2318
2276	=head3 cf::object	2319	=head3 cf::object
2277		2320
2278	=cut	2321	=cut
…		…
2281		2324
2282	=over 4	2325	=over 4
2283		2326
2284	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2285		2328
2286	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2287		2331
2288	=cut	2332	=cut
2289		2333
2290	sub inv_recursive_;	2334	sub inv_recursive_;
2291	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2297	}	2341	}
2298		2342
2299	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2300		2344
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2346
2303	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2304		2348
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2340		2384
2341	=cut	2385	=cut
2342		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2343	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2402	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2418
2361	} else {	2419	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2422	}
2365	}	2423	}
2366	}	2424	}
2367		2425
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2451
2394	=item $player_object->enter_link	2452	=item $player_object->enter_link
2395		2453
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2455
2398	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2400		2460
2401	Will never block.	2461	Will never block.
2402		2462
2403	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2404		2464
…		…
2462		2522
2463	$map->load;	2523	$map->load;
2464	$map->load_neighbours;	2524	$map->load_neighbours;
2465		2525
2466	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2467	$self->activate_recursive;	2528	$self->activate_recursive;
2468		2529
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2471	}	2532	}
…		…
2475	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2480		2544
2481	=cut	2545	=cut
2482		2546
2483	our $GOTOGEN;	2547	our $GOTOGEN;
2484		2548
…		…
2563	}	2627	}
2564		2628
2565	sub prepare_random_map {	2629	sub prepare_random_map {
2566	my ($exit) = @_;	2630	my ($exit) = @_;
2567		2631
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2634	# that depends on the exit object
2573		2635
2574	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2638	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2581	}	2645	}
2582		2646
2583	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2584		2648
2585	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2588		2652
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2655	undef $fh;
2592	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2593		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2596	}	2664	}
2597	}	2665	}
2598		2666
2599	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2601		2669
2602	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2603		2671
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2672	$self->enter_link;
2616		2673
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2674	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2623		2676
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2626	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2627		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2628	1;	2698	1
2629	}) {	2699	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2704
2635	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2665		2735
2666	=cut	2736	=cut
2667		2737
		2738	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2739	our %CHANNEL = (
2669	"c/identify" => {	2740	"c/identify" => {
2670	id => "infobox",	2741	id => "infobox",
2671	title => "Identify",	2742	title => "Identify",
2672	reply => undef,	2743	reply => undef,
…		…
2676	id => "infobox",	2747	id => "infobox",
2677	title => "Examine",	2748	title => "Examine",
2678	reply => undef,	2749	reply => undef,
2679	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2680	},	2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
2681	"c/lookat" => {	2758	"c/lookat" => {
2682	id => "infobox",	2759	id => "infobox",
2683	title => "Look",	2760	title => "Look",
2684	reply => undef,	2761	reply => undef,
2685	tooltip => "What you saw there",	2762	tooltip => "What you saw there",
2686	},	2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
		2800	"c/uptime" => {
		2801	id => "infobox",
		2802	title => "Uptime",
		2803	reply => undef,
		2804	tooltip => "How long the server has been running since last restart",
		2805	},
		2806	"c/mapinfo" => {
		2807	id => "infobox",
		2808	title => "Map Info",
		2809	reply => undef,
		2810	tooltip => "Information related to the maps",
		2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
2687	);	2826	);
2688		2827
2689	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2830
2692	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2693		2833
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2835
2696	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2699		2839
2700	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	2841	$channel = $channel->{id};
2704		2842
2705	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	2848	}
2712		2849
2713	$channel = $channel->{id};	2850	$channel = $channel->{id};
2714	}	2851	}
2715		2852
2716	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2717		2854
2718	if ($self->can_msg) {
2719	# default colour, mask it out	2855	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2722		2858
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	2862	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		2863
2737	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2738		2867
2739	utf8::encode $msg;	2868	# split very large packets
2740		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2741	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2742	# COMMAND/INFO	2871	$pkt = "frag";
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2750	}	2875	}
2751		2876
2752	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2753		2878
2754	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
2928		3053
2929	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2930		3055
2931	cf::object	3056	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3057	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
2934		3060
2935	cf::object::player	3061	cf::object::player
2936	player	3062	player
2937		3063
2938	cf::player	3064	cf::player
…		…
2943		3069
2944	=cut	3070	=cut
2945		3071
2946	for (	3072	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2953	) {	3079	) {
2954	no strict 'refs';	3080	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2973	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2974		3100
2975	my $qcode = $code;	3101	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2978		3106
2979	local $_;	3107	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2981		3109
2982	my $eval =	3110	my $eval =
…		…
3059	{	3187	{
3060	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
3061		3189
3062	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
3064	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3197
3069	cf::cede_to_tick;	3198	cf::cede_to_tick;
3070	}	3199	}
3071		3200
3072	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
3074	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
3075	or next;	3205	or next;
		3206
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3210	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3229	{
3099	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
3102		3233
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3237	my $data;
3108		3238
3109	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3110	# prepend meta info	3240	# prepend meta info
3111		3241
3112	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3113	name => $name,	3243	name => $name,
3114	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3115	});	3245	});
3116		3246
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
3118	} else {	3254	} else {
3119	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3120	}	3256	}
3121		3257
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3258	cf::cede_to_tick;
3126	}	3259	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3263
3147	1	3264	1
3148	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
3149		3286
3150	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3152		3289
3153	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3155	}	3292	}
3156	};	3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
3157		3304
3158	sub reload_regions {	3305	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3307	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3322	}
3176		3323
3177	sub reload_archetypes {	3324	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3327	}
3186		3328
3187	sub reload_treasures {	3329	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3190	}	3332	}
3191		3333
3192	sub reload_resources {	3334	sub reload_resources {
3193	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3194		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3195	reload_regions;	3339	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3340	reload_treasures;
3200		3341
3201	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3343	}
3207		3344
3208	sub reload_config {	3345	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3347	or return;
3211		3348
3212	local $/;	3349	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3214		3351
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3353
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3361	};
3225	warn $@ if $@;	3362	warn $@ if $@;
3226	}	3363	}
3227	}	3364	}
3228		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3229	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3230	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3403	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3405	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3237	};	3407	};
3238		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3239	reload_config;	3413	reload_config;
3240	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3241	load_extensions;	3427	load_extensions;
3242		3428
3243	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
		3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3244	Event::loop;	3437	EV::loop;
3245	}	3438	}
3246		3439
3247	#############################################################################	3440	#############################################################################
3248	# initialisation and cleanup	3441	# initialisation and cleanup
3249		3442
3250	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3251	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3260	},
3261	);	3449	};
3262	}	3450	}
3263	}	3451	}
3264		3452
3265	sub write_runtime {	3453	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3270		3456
3271	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3458
3273	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3274		3460
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3462	or return;
3277		3463
3278	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3291		3477
3292	close $fh	3478	close $fh
3293	or return;	3479	or return;
3294		3480
3295	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3482	and return;
3297		3483
3298	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3299		3485
3300	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3301	}	3537	}
3302		3538
3303	sub emergency_save() {	3539	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3305		3541
3306	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3307		3543
3308	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3309	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3556	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3558	$pl->save;
3318	}	3559	}
3319	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3320		3561
3321	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3565	$map->valid or next;
3325	$map->save;	3566	$map->save;
3326	}	3567	}
3327	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3328		3569
3329	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3332	};	3577	};
3333		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3334	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3335	}	3585	}
3336		3586
3337	sub post_cleanup {	3587	sub post_cleanup {
3338	my ($make_core) = @_;	3588	my ($make_core) = @_;
3339		3589
3340	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3342	}	3621	}
3343		3622
3344	sub do_reload_perl() {	3623	sub do_reload_perl() {
3345	# can/must only be called in main	3624	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3348	return;	3627	return;
3349	}	3628	}
3350		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3351	warn "reloading...";	3635	warn "reloading...";
3352		3636
3353	warn "entering sync_job";	3637	warn "entering sync_job";
3354		3638
3355	cf::sync_job {	3639	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3641	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3359		3643
3360	warn "syncing database to disk";	3644	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3646
3363	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3364		3648
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();
3384
3385	warn "removing commands";
3386	%COMMAND = ();
3387
3388	warn "removing ext/exti commands";
3389	%EXTCMD = ();
3390	%EXTICMD = ();
3391
3392	warn "unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";
3395
3396	if (my $cb = $pkg->can ("unload")) {
3397	eval {
3398	$cb->($pkg);
3399	1
3400	} or warn "$pkg unloaded, but with errors: $@";
3401	}	3652	}
3402		3653
3403	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3405	}	3656	%EXT_CORO = ();
3406		3657
3407	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3667	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3668
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3418	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3419	}	3678	}
3420		3679
3421	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3422	}	3695	}
3423		3696
3424	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3700
3428	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		3704
3432	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3706	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3435		3708
3436	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3437		3710
3438	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3439	require cf;	3712	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3714
3442	warn "loading config and database again";	3715	warn "loading config and database again";
3443	cf::reload_config;	3716	cf::reload_config;
3444		3717
3445	warn "loading extensions";	3718	warn "loading extensions";
3446	cf::load_extensions;	3719	cf::load_extensions;
3447		3720
		3721	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3454		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3455	warn "leaving sync_job";	3733	warn "leaving sync_job";
3456		3734
3457	1	3735	1
3458	} or do {	3736	} or do {
3459	warn $@;	3737	warn $@;
3460	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3739	};
3463		3740
3464	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3465	};	3747	};
3466		3748
3467	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3468		3750
3469	sub reload_perl() {	3751	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3472		3754
3473	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	3757
3476	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	3759	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3480	},	3761	};
3481	);	3762	};
3482	}	3763	}
3483		3764
3484	register_command "reload" => sub {	3765	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3486		3767
…		…
3499		3780
3500	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3502		3783
3503	sub wait_for_tick {	3784	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3786
3507	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3789	$signal->wait;
3510	}	3790	}
3511		3791
3512	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3794
3516	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3797	$signal->wait;
3519	}	3798	}
3520		3799
3521	$TICK_WATCHER = Event->timer (	3800	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3531	return;	3804	return;
3532	}	3805	}
3533		3806
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3537		3808
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3811	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3813	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3815	};
		3816	}
3549		3817
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3819	$sig->send;
3552	}	3820	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3822	$sig->send;
3555	}	3823	}
3556		3824
3557	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3827
3568	_post_tick;	3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3569	},	3834	}
3570	);	3835	}
3571		3836
3572	{	3837	{
		3838	# configure BDB
		3839
3573	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3842	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		3843
3599	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3851
3606	cf::sync_job {	3852	cf::sync_job {
3607	eval {	3853	eval {
…		…
3617		3863
3618	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3865	};
3620	}	3866	}
3621		3867
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3870	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3873	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3876	};
3652	}	3877	}
3653		3878
3654	{	3879	{
		3880	# configure IO::AIO
		3881
3655	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	3885	}
3668		3886
3669	my $_log_backtrace;	3887	my $_log_backtrace;
3670		3888
3671	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3675		3893
3676	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3679	async {	3898	async {
3680	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3681		3900
3682	my @bt = fork_call {	3901	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3913	}
3695		3914
3696	@funcs	3915	@funcs
3697	};	3916	};
3698		3917
3699	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3921	--$_log_backtrace;
3702	};	3922	};
3703	} else {	3923	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3706	}	3926	}
3707	}	3927	}
3708		3928
3709	# load additional modules	3929	# load additional modules
3710	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3711		3931
3712	END { cf::emergency_save }	3932	END { cf::emergency_save }
3713		3933
3714	1	3934	1
3715		3935

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