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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.383 by root, Thu Oct 11 21:09:29 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 Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		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 | logBacktrace, 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
…		…
966		1043
967	=cut	1044	=cut
968		1045
969	#############################################################################	1046	#############################################################################
970	# object support	1047	# object support
971	#
972		1048
		1049	sub _object_equal($$);
		1050	sub _object_equal($$) {
		1051	my ($a, $b) = @_;
		1052
		1053	return 0 unless (ref $a) eq (ref $b);
		1054
		1055	if ("HASH" eq ref $a) {
		1056	my @ka = keys %$a;
		1057	my @kb = keys %$b;
		1058
		1059	return 0 if @ka != @kb;
		1060
		1061	for (0 .. $#ka) {
		1062	return 0 unless $ka[$_] eq $kb[$_];
		1063	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1064	}
		1065
		1066	} elsif ("ARRAY" eq ref $a) {
		1067
		1068	return 0 if @$a != @$b;
		1069
		1070	for (0 .. $#$a) {
		1071	return 0 unless _object_equal $a->[$_], $b->[$_];
		1072	}
		1073
		1074	} elsif ($a ne $b) {
		1075	return 0;
		1076	}
		1077
		1078	1
		1079	}
		1080
		1081	our $SLOW_MERGES;#d#
973	sub _can_merge {	1082	sub _can_merge {
974	my ($ob1, $ob2) = @_;	1083	my ($ob1, $ob2) = @_;
975		1084
976	local $Storable::canonical = 1;	1085	++$SLOW_MERGES;#d#
977	my $fob1 = Storable::freeze $ob1;
978	my $fob2 = Storable::freeze $ob2;
979		1086
980	$fob1 eq $fob2	1087	# we do the slow way here
		1088	return _object_equal $ob1, $ob2
981	}	1089	}
982		1090
983	sub reattach {	1091	sub reattach {
984	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
985	my ($obj) = @_;	1093	my ($obj) = @_;
986		1094
		1095	# no longer needed after getting rid of delete_package?
987	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
988		1097
989	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
990		1099
991	@$registry = ();	1100	@$registry = ();
992		1101
…		…
1007	cf::attachable->attach (	1116	cf::attachable->attach (
1008	prio => -1000000,	1117	prio => -1000000,
1009	on_instantiate => sub {	1118	on_instantiate => sub {
1010	my ($obj, $data) = @_;	1119	my ($obj, $data) = @_;
1011		1120
1012	$data = from_json $data;	1121	$data = decode_json $data;
1013		1122
1014	for (@$data) {	1123	for (@$data) {
1015	my ($name, $args) = @$_;	1124	my ($name, $args) = @$_;
1016		1125
1017	$obj->attach ($name, %{$args || {} });	1126	$obj->attach ($name, %{$args || {} });
…		…
1038	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1039	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1040	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1041		1150
1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1043	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1045	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1046	close $fh;	1155	aio_close $fh;
1047		1156
1048	if (@$objs) {	1157	if (@$objs) {
1049	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) {
1050	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1052	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1053	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1054	close $fh;	1163	aio_close $fh;
1055	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1056	}	1165	}
1057	} else {	1166	} else {
1058	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1059	}	1168	}
1060		1169
1061	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1062	} else {	1174	} else {
1063	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1064	}	1176	}
1065	} else {	1177	} else {
1066	aio_unlink $filename;	1178	aio_unlink $filename;
1067	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1068	}	1180	}
…		…
1087		1199
1088	unless (aio_stat "$filename.pst") {	1200	unless (aio_stat "$filename.pst") {
1089	(aio_load "$filename.pst", $av) >= 0	1201	(aio_load "$filename.pst", $av) >= 0
1090	or return;	1202	or return;
1091		1203
1092	my $st = eval { Coro::Storable::thaw $av }	1204	my $st = eval { Coro::Storable::thaw $av };
1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1094	$av = $st->{objs};	1205	$av = $st->{objs};
1095	}	1206	}
1096		1207
1097	utf8::decode (my $decname = $filename);	1208	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1209	warn sprintf "loading %s (%d,%d)\n",
…		…
1160	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1161		1272
1162	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1163	}	1274	}
1164		1275
		1276	use File::Glob ();
		1277
1165	cf::player->attach (	1278	cf::player->attach (
1166	on_command => sub {	1279	on_command => sub {
1167	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1168		1281
1169	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1201		1314
1202	cf::override;	1315	cf::override;
1203	},	1316	},
1204	);	1317	);
1205		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
1206	sub load_extensions {	1332	sub load_extensions {
1207	cf::sync_job {	1333	cf::sync_job {
1208	my %todo;	1334	my %todo;
1209		1335
1210	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1229		1355
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1358
1233	$ext{source} =	1359	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1235	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1236	. $source	1362	. $source
1237	. "\n};\n1";	1363	. "\n};\n1";
1238		1364
1239	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1255	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1256	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1257		1383
1258	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1259	warn $msg;	1385	warn $msg;
1260	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1261	exit 1;
1262	}	1387	}
1263		1388
1264	warn $msg;	1389	warn $msg;
1265	}	1390	}
1266		1391
…		…
1280		1405
1281	=back	1406	=back
1282		1407
1283	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1284		1409
1285	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1286		1411
1287	=cut	1412	=cut
1288		1413
1289	package cf::player;	1414	package cf::player;
1290		1415
…		…
1333		1458
1334	sub exists($) {	1459	sub exists($) {
1335	my ($login) = @_;	1460	my ($login) = @_;
1336		1461
1337	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1339	}	1464	}
1340		1465
1341	sub find($) {	1466	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1468	my $login = $_[0];
…		…
1355	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1481	or return;
1357		1482
1358	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1359	or return;	1484	or return;
		1485
1360	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1361	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1362	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1363	}	1489	}
1364	}	1490	}
…		…
1374		1500
1375	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1376		1502
1377	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1378	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1379		1507
1380	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1381	cf::cede_to_tick;	1509	cf::cede_to_tick;
1382	}	1510	}
1383		1511
…		…
1415	my ($pl) = @_;	1543	my ($pl) = @_;
1416		1544
1417	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1418		1546
1419	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1420	$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
1421		1549
1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1423	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1424	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1425	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1426		1556
1427	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1428	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1467		1597
1468	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1469	my $path = path $login;	1599	my $path = path $login;
1470		1600
1471	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1472	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1474	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1475	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1476	}	1607	}
1477		1608
…		…
1508	}	1639	}
1509		1640
1510	\@paths	1641	\@paths
1511	}	1642	}
1512		1643
1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1514		1645
1515	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1516
1517	=cut
1518
1519	sub expand_cfpod {
1520	((my $self), (local $_)) = @_;
1521
1522	# escape & and <
1523	s/&/&amp;/g;
1524	s/(?<![BIUGHT])</&lt;/g;
1525
1526	# this is buggy, it needs to properly take care of nested <'s
1527
1528	1 while
1529	# replace B<>, I<>, U<> etc.
1530	s/B<([^\>]*)>/<b>$1<\/b>/
1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1534	# replace G<male|female> tags
1535	|| s{G<([^>|]*)\|([^>]*)>}{
1536	$self->gender ? $2 : $1
1537	}ge
1538	# replace H<hint text>
1539	|| s{H<([^\>]*)>}
1540	{
1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1543	"")
1544	[$self->{hintmode}]
1545	}ge;
1546
1547	# create single paragraphs (very hackish)
1548	s/(?<=\S)\n(?=\w)/ /g;
1549
1550	# compress some whitespace
1551	s/\s+\n/\n/g; # ws line-ends
1552	s/\n\n+/\n/g; # double lines
1553	s/^\n+//; # beginning lines
1554	s/\n+$//; # ending lines
1555
1556	$_
1557	}
1558
1559	sub hintmode {
1560	$_[0]{hintmode} = $_[1] if @_ > 1;
1561	$_[0]{hintmode}
1562	}
1563		1647
1564	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1565		1649
1566	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1567		1651
…		…
1634	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1635	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1636		1720
1637	sub generate_random_map {	1721	sub generate_random_map {
1638	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
1639	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1640	$self->_create_random_map (	1727	$self->_create_random_map (
1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1765		1852
1766	# the temporary/swap location	1853	# the temporary/swap location
1767	sub save_path {	1854	sub save_path {
1768	my ($self) = @_;	1855	my ($self) = @_;
1769		1856
1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1771	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1772	}	1859	}
1773		1860
1774	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1775	sub uniq_path {	1862	sub uniq_path {
1776	my ($self) = @_;	1863	my ($self) = @_;
1777		1864
1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1779	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1780	}
1781
1782	# and all this just because we cannot iterate over
1783	# all maps in C++...
1784	sub change_all_map_light {
1785	my ($change) = @_;
1786
1787	$_->change_map_light ($change)
1788	for grep $_->outdoor, values %cf::MAP;
1789	}	1867	}
1790		1868
1791	sub decay_objects {	1869	sub decay_objects {
1792	my ($self) = @_;	1870	my ($self) = @_;
1793		1871
…		…
1877	sub find {	1955	sub find {
1878	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1879		1957
1880	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1881		1959
1882	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1883	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1884		1962
1885	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1886	my $guard1 = cf::lock_acquire "map_find:$path";
1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1888
1889	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1890	or return;	1965	or return;
1891		1966
1892	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1893		1968
…		…
1895	or return;	1970	or return;
1896		1971
1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1898	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1899	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1900	undef $guard1;	1976	undef $guard1;
1901	undef $guard2;
1902	$map->reset;	1977	$map->reset;
1903	return find $path;	1978	return find $path;
1904	}	1979	}
1905		1980
1906	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
1933	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
1934	$f->skip_block;	2009	$f->skip_block;
1935	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
1936	or return;	2011	or return;
1937		2012
1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
1939	if delete $self->{load_original};	2014	if delete $self->{load_original};
1940		2015
1941	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
1942	utf8::encode $uniq;	2017	utf8::encode $uniq;
1943	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
1961	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
1962	$self->decay_objects;	2037	$self->decay_objects;
1963	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
1964	$self->update_buttons;	2039	$self->update_buttons;
1965	cf::cede_to_tick;	2040	cf::cede_to_tick;
1966	$self->set_darkness_map;
1967	cf::cede_to_tick;
1968	$self->activate;	2041	$self->activate;
1969	}	2042	}
1970		2043
1971	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
1972	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
1973		2046
1974	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
1975	}	2048	}
1976		2049
1977	$self->post_load;	2050	$self->post_load;
1978	}	2051	}
1979		2052
…		…
2037	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2038		2111
2039	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2040		2113
2041	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2043	}	2116	}
2044		2117
2045	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2046		2119
2047	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
…		…
2084	cf::async {	2157	cf::async {
2085	$Coro::current->{desc} = "map player save";	2158	$Coro::current->{desc} = "map player save";
2086	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2087	};	2160	};
2088		2161
		2162	cf::get_slot 0.02;
		2163
2089	if ($uniq) {	2164	if ($uniq) {
2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2092	} else {	2167	} else {
2093	$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);
…		…
2101	$self->save;	2176	$self->save;
2102		2177
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2179
2105	return if $self->players;	2180	return if $self->players;
2106	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2107	return if $self->{deny_save};	2182	return if $self->{deny_save};
2108		2183
2109	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2110		2185
2111	$self->deactivate;	2186	$self->deactivate;
…		…
2229		2304
2230	sub unique_maps() {	2305	sub unique_maps() {
2231	[	2306	[
2232	map {	2307	map {
2233	utf8::decode $_;	2308	utf8::decode $_;
2234	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2235	? normalise $_	2312	: normalise $_
2236	: ()
2237	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2238	]	2314	]
2239	}	2315	}
2240		2316
2241	package cf;
2242
2243	=back	2317	=back
2244		2318
2245	=head3 cf::object	2319	=head3 cf::object
2246		2320
2247	=cut	2321	=cut
…		…
2250		2324
2251	=over 4	2325	=over 4
2252		2326
2253	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2254		2328
2255	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.
2256		2331
2257	=cut	2332	=cut
2258		2333
2259	sub inv_recursive_;	2334	sub inv_recursive_;
2260	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2265	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2266	}	2341	}
2267		2342
2268	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2269		2344
2270	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.
2271		2346
2272	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2273		2348
2274	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,
2275	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2307	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
2308	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2309		2384
2310	=cut	2385	=cut
2311		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
2312	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2313	# with dialog boxes.	2402	# with dialog boxes.
2314	#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
2315	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2316	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2327	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2329		2418
2330	} else {	2419	} else {
2331	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2332	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2333	}	2422	}
2334	}	2423	}
2335	}	2424	}
2336		2425
2337	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2362		2451
2363	=item $player_object->enter_link	2452	=item $player_object->enter_link
2364		2453
2365	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}>).
2366		2455
2367	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.
2368	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.
2369		2460
2370	Will never block.	2461	Will never block.
2371		2462
2372	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2373		2464
…		…
2431		2522
2432	$map->load;	2523	$map->load;
2433	$map->load_neighbours;	2524	$map->load_neighbours;
2434		2525
2435	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2436	$self->activate_recursive;	2528	$self->activate_recursive;
2437		2529
2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2439	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2440	}	2532	}
…		…
2444	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
2445	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2446	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
2447	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
2448	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 >>.
2449		2544
2450	=cut	2545	=cut
2451		2546
2452	our $GOTOGEN;	2547	our $GOTOGEN;
2453		2548
…		…
2532	}	2627	}
2533		2628
2534	sub prepare_random_map {	2629	sub prepare_random_map {
2535	my ($exit) = @_;	2630	my ($exit) = @_;
2536		2631
2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
2538
2539	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2540	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2541	# that depends on the exit object	2634	# that depends on the exit object
2542		2635
2543	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2545	if ($exit->map) {	2638	if ($exit->map) {
2546	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2547	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2548	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2549	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2550	}	2645	}
2551		2646
2552	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2553		2648
2554	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2555	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2556	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2557		2652
2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2559	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2560	undef $fh;	2655	undef $fh;
2561	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2562		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2563	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2564	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2565	}	2664	}
2566	}	2665	}
2567		2666
2568	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2569	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2570		2669
2571	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2572		2671
2573	if ($exit->slaying eq "/!") {
2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
2575	# the problem is that $exit might not survive long enough
2576	# so it needs to be done right now, right here
2577	cf::sync_job { prepare_random_map $exit };
2578	}
2579
2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2581	my $hp = $exit->stats->hp;
2582	my $sp = $exit->stats->sp;
2583
2584	$self->enter_link;	2672	$self->enter_link;
2585		2673
2586	# if exit is damned, update players death & WoR home-position
2587	$self->contr->savebed ($slaying, $hp, $sp)
2588	if $exit->flag (FLAG_DAMNED);
2589
2590	(async {	2674	(async {
2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2592		2676
2593	$self->deactivate_recursive; # just to be sure
2594	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
2595	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2596		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
2597	1;	2698	1
2598	}) {	2699	}) {
2599	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2600	. "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. "
2601	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2602	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2603		2704
2604	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2632	the message, with C<log> being the default. If C<$color> is negative, suppress	2733	the message, with C<log> being the default. If C<$color> is negative, suppress
2633	the message unless the client supports the msg packet.	2734	the message unless the client supports the msg packet.
2634		2735
2635	=cut	2736	=cut
2636		2737
		2738	# non-persistent channels (usually the info channel)
2637	our %CHANNEL = (	2739	our %CHANNEL = (
2638	"c/identify" => {	2740	"c/identify" => {
2639	id => "infobox",	2741	id => "infobox",
2640	title => "Identify",	2742	title => "Identify",
2641	reply => undef,	2743	reply => undef,
…		…
2645	id => "infobox",	2747	id => "infobox",
2646	title => "Examine",	2748	title => "Examine",
2647	reply => undef,	2749	reply => undef,
2648	tooltip => "Signs and other items you examined",	2750	tooltip => "Signs and other items you examined",
2649	},	2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
2650	"c/lookat" => {	2758	"c/lookat" => {
2651	id => "infobox",	2759	id => "infobox",
2652	title => "Look",	2760	title => "Look",
2653	reply => undef,	2761	reply => undef,
2654	tooltip => "What you saw there",	2762	tooltip => "What you saw there",
2655	},	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" => $CHAT_CHANNEL,
2656	);	2826	);
2657		2827
2658	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2659	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2660		2830
2661	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2662		2833
2663	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2664		2835
2665	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2666	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2667	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2668		2839
2669	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2670	if $self->can_msg;
2671
2672	$channel = $channel->{id};	2841	$channel = $channel->{id};
2673		2842
2674	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2675	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2676	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2677	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2678	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2679	if $self->can_msg;
2680	}	2848	}
2681		2849
2682	$channel = $channel->{id};	2850	$channel = $channel->{id};
2683	}	2851	}
2684		2852
2685	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2686		2854
2687	if ($self->can_msg) {
2688	# default colour, mask it out	2855	# default colour, mask it out
2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2690	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2691		2858
2692	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2694	} else {	2862	);
2695	if ($color >= 0) {
2696	# replace some tags by gcfclient-compatible ones
2697	for ($msg) {
2698	1 while
2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2704	}
2705		2863
2706	$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};
2707		2867
2708	utf8::encode $msg;	2868	# split very large packets
2709		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2710	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2711	# COMMAND/INFO	2871	$pkt = "frag";
2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
2713	} else {
2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2715	$self->send_packet ("drawinfo $color $msg")
2716	}
2717	}
2718	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2719	}	2875	}
2720		2876
2721	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2722		2878
2723	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
2897		3053
2898	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
2899		3055
2900	cf::object	3056	cf::object
2901	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
2902	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
2903		3060
2904	cf::object::player	3061	cf::object::player
2905	player	3062	player
2906		3063
2907	cf::player	3064	cf::player
…		…
2912		3069
2913	=cut	3070	=cut
2914		3071
2915	for (	3072	for (
2916	["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
2917	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
2918	decrease_ob_nr destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
2919	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
2920	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
2921	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
2922	) {	3079	) {
2923	no strict 'refs';	3080	no strict 'refs';
2924	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
2925	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2942	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
2943		3100
2944	my $qcode = $code;	3101	my $qcode = $code;
2945	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2946	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
2947		3106
2948	local $_;	3107	local $_;
2949	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
2950		3109
2951	my $eval =	3110	my $eval =
…		…
3028	{	3187	{
3029	my $faces = $facedata->{faceinfo};	3188	my $faces = $facedata->{faceinfo};
3030		3189
3031	while (my ($face, $info) = each %$faces) {	3190	while (my ($face, $info) = each %$faces) {
3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
3033	cf::face::set_visibility $idx, $info->{visibility};	3193	cf::face::set_visibility $idx, $info->{visibility};
3034	cf::face::set_magicmap $idx, $info->{magicmap};	3194	cf::face::set_magicmap $idx, $info->{magicmap};
3035	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};
3036	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 $info->{data64};
3037		3197
3038	cf::cede_to_tick;	3198	cf::cede_to_tick;
3039	}	3199	}
3040		3200
3041	while (my ($face, $info) = each %$faces) {	3201	while (my ($face, $info) = each %$faces) {
3042	next unless $info->{smooth};	3202	next unless $info->{smooth};
		3203
3043	my $idx = cf::face::find $face	3204	my $idx = cf::face::find $face
3044	or next;	3205	or next;
		3206
3045	if (my $smooth = cf::face::find $info->{smooth}) {	3207	if (my $smooth = cf::face::find $info->{smooth}) {
3046	cf::face::set_smooth $idx, $smooth;	3208	cf::face::set_smooth $idx, $smooth;
3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3048	} else {	3210	} else {
3049	warn "smooth face '$info->{smooth}' not found for face '$face'";	3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3067	{	3229	{
3068	# TODO: for gcfclient pleasure, we should give resources	3230	# TODO: for gcfclient pleasure, we should give resources
3069	# that gcfclient doesn't grok a >10000 face index.	3231	# that gcfclient doesn't grok a >10000 face index.
3070	my $res = $facedata->{resource};	3232	my $res = $facedata->{resource};
3071		3233
3072	my $soundconf = delete $res->{"res/sound.conf"};
3073
3074	while (my ($name, $info) = each %$res) {	3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3076	my $data;	3237	my $data;
3077		3238
3078	if ($info->{type} & 1) {	3239	if ($info->{type} & 1) {
3079	# prepend meta info	3240	# prepend meta info
3080		3241
3081	my $meta = $enc->encode ({	3242	my $meta = $enc->encode ({
3082	name => $name,	3243	name => $name,
3083	%{ $info->{meta} || {} },	3244	%{ $info->{meta} || {} },
3084	});	3245	});
3085		3246
3086	$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};
3087	} else {	3254	} else {
3088	$data = $info->{data};	3255	$RESOURCE{$name} = $info;
3089	}	3256	}
3090		3257
3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3092	cf::face::set_type $idx, $info->{type};
3093
3094	cf::cede_to_tick;	3258	cf::cede_to_tick;
3095	}	3259	}
3096
3097	if ($soundconf) {
3098	$soundconf = $enc->decode (delete $soundconf->{data});
3099
3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3101	my $sound = $soundconf->{compat}[$_]
3102	or next;
3103
3104	my $face = cf::face::find "sound/$sound->[1]";
3105	cf::sound::set $sound->[0] => $face;
3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3107	}
3108
3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
3110	my $face = cf::face::find "sound/$v";
3111	cf::sound::set $k => $face;
3112	}
3113	}
3114	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3115		3263
3116	1	3264	1
3117	}	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 => $face;
		3283	}
		3284	}
		3285	});
3118		3286
3119	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3120	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3121		3289
3122	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3123	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3124	}	3292	}
3125	};	3293	};
		3294
		3295	sub load_resource_file($) {
		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	$status
		3303	}
3126		3304
3127	sub reload_regions {	3305	sub reload_regions {
3128	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3129	# for this (global event?)	3307	# for this (global event?)
3130	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3144	}	3322	}
3145		3323
3146	sub reload_archetypes {	3324	sub reload_archetypes {
3147	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3148	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3149	#d# NEED to laod twice to resolve forward references
3150	# this really needs to be done in an extra post-pass
3151	# (which needs to be synchronous, so solve it differently)
3152	load_resource_file "$DATADIR/archetypes"
3153	or die "unable to load archetypes\n";
3154	}	3327	}
3155		3328
3156	sub reload_treasures {	3329	sub reload_treasures {
3157	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3158	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3159	}	3332	}
3160		3333
3161	sub reload_resources {	3334	sub reload_resources {
3162	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3163		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3164	reload_regions;	3339	reload_regions;
3165	reload_facedata;
3166	#reload_archetypes;#d#
3167	reload_archetypes;
3168	reload_treasures;	3340	reload_treasures;
3169		3341
3170	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3171	}
3172
3173	sub init {
3174	reload_resources;
3175	}	3343	}
3176		3344
3177	sub reload_config {	3345	sub reload_config {
3178	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3179	or return;	3347	or return;
3180		3348
3181	local $/;	3349	local $/;
3182	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3183		3351
3184	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3185		3353
3186	$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};
3187	$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};
…		…
3193	};	3361	};
3194	warn $@ if $@;	3362	warn $@ if $@;
3195	}	3363	}
3196	}	3364	}
3197		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
3198	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
3199	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3200	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3201	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#
3202	(async {	3403	(async {
3203	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3204	Event::one_event;	3405	EV::loop EV::LOOP_ONESHOT;
3205	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3206	};	3407	};
3207		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3208	reload_config;	3413	reload_config;
3209	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
3210	load_extensions;	3427	load_extensions;
3211		3428
3212	$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
3213	Event::loop;	3437	EV::loop;
3214	}	3438	}
3215		3439
3216	#############################################################################	3440	#############################################################################
3217	# initialisation and cleanup	3441	# initialisation and cleanup
3218		3442
3219	# install some emergency cleanup handlers	3443	# install some emergency cleanup handlers
3220	BEGIN {	3444	BEGIN {
		3445	our %SIGWATCHER = ();
3221	for my $signal (qw(INT HUP TERM)) {	3446	for my $signal (qw(INT HUP TERM)) {
3222	Event->signal (	3447	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3223	reentrant => 0,
3224	data => WF_AUTOCANCEL,
3225	signal => $signal,
3226	prio => 0,
3227	cb => sub {
3228	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3229	},
3230	);	3449	};
3231	}	3450	}
3232	}	3451	}
3233		3452
3234	sub write_runtime {	3453	sub write_runtime_sync {
3235	my $runtime = "$LOCALDIR/runtime";
3236
3237	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3238	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3239		3456
3240	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3241		3458
3242	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3243		3460
3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3245	or return;	3462	or return;
3246		3463
3247	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3248	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3249	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3259	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3260		3477
3261	close $fh	3478	close $fh
3262	or return;	3479	or return;
3263		3480
3264	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3265	and return;	3482	and return;
3266		3483
3267	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3268		3485
3269	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 };
3270	}	3537	}
3271		3538
3272	sub emergency_save() {	3539	sub emergency_save() {
3273	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3274		3541
3275	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3276		3543
3277	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
3278	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3279	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3280	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3281	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3282	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3283	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3284	$pl->valid or next;	3556	$pl->valid or next;
3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3286	$pl->save;	3558	$pl->save;
3287	}	3559	}
3288	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3289		3561
3290	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3291	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3292	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3293	$map->valid or next;	3565	$map->valid or next;
3294	$map->save;	3566	$map->save;
3295	}	3567	}
3296	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3297		3569
3298	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3299	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3300	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3301	};	3577	};
3302		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3303	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3304	}	3585	}
3305		3586
3306	sub post_cleanup {	3587	sub post_cleanup {
3307	my ($make_core) = @_;	3588	my ($make_core) = @_;
3308		3589
3309	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3310	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 $pkg\n";#d#
3311	}	3621	}
3312		3622
3313	sub do_reload_perl() {	3623	sub do_reload_perl() {
3314	# can/must only be called in main	3624	# can/must only be called in main
3315	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3316	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3317	return;	3627	return;
3318	}	3628	}
3319		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3320	warn "reloading...";	3635	warn "reloading...";
3321		3636
3322	warn "entering sync_job";	3637	warn "entering sync_job";
3323		3638
3324	cf::sync_job {	3639	cf::sync_job {
3325	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3326	cf::emergency_save;	3641	cf::emergency_save;
3327	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3328		3643
3329	warn "syncing database to disk";	3644	warn "syncing database to disk";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3331		3646
3332	# 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
3333		3648
3334	warn "cancelling all WF_AUTOCANCEL watchers";
3335	for (Event::all_watchers) {
3336	$_->cancel if $_->data & WF_AUTOCANCEL;
3337	}
3338
3339	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3340	for (;;) {
3341	BDB::flush;
3342	IO::AIO::flush;
3343	Coro::cede;
3344	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3345	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3346	}
3347
3348	++$RELOAD;
3349
3350	warn "cancelling all extension coros";
3351	$_->cancel for values %EXT_CORO;
3352	%EXT_CORO = ();
3353
3354	warn "removing commands";
3355	%COMMAND = ();
3356
3357	warn "removing ext/exti commands";
3358	%EXTCMD = ();
3359	%EXTICMD = ();
3360
3361	warn "unloading/nuking all extensions";
3362	for my $pkg (@EXTS) {
3363	warn "... unloading $pkg";
3364
3365	if (my $cb = $pkg->can ("unload")) {
3366	eval {
3367	$cb->($pkg);
3368	1
3369	} or warn "$pkg unloaded, but with errors: $@";
3370	}	3652	}
3371		3653
3372	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3373	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3374	}	3656	%EXT_CORO = ();
3375		3657
3376	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3377	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3378	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3379		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3380	warn "... unloading $k";	3667	warn "... unloading $pkg";
3381	delete $INC{$k};
3382		3668
3383	$k =~ s/\.pm$//;
3384	$k =~ s/\//::/g;
3385
3386	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3387	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3388	}	3678	}
3389		3679
3390	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 $k;
3391	}	3695	}
3392		3696
3393	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3394	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3395	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);
3396		3700
3397	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3398	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3399	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3400		3704
3401	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3402	# and global variables created in xs	3706	# and global variables created in xs
3403	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3404		3708
3405	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3406		3710
3407	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3408	require cf;	3712	require cf;
3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3410		3714
3411	warn "loading config and database again";	3715	warn "loading config and database again";
3412	cf::reload_config;	3716	cf::reload_config;
3413		3717
3414	warn "loading extensions";	3718	warn "loading extensions";
3415	cf::load_extensions;	3719	cf::load_extensions;
3416		3720
		3721	if ($REATTACH_ON_RELOAD) {
3417	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3418	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3419	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3420	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3421	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3422	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3423		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3424	warn "leaving sync_job";	3733	warn "leaving sync_job";
3425		3734
3426	1	3735	1
3427	} or do {	3736	} or do {
3428	warn $@;	3737	warn $@;
3429	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3430	exit 1;
3431	};	3739	};
3432		3740
3433	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3434	};	3747	};
3435		3748
3436	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3437		3750
3438	sub reload_perl() {	3751	sub reload_perl() {
3439	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3440	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3441		3754
3442	$RELOAD_WATCHER ||= Event->timer (	3755	$RELOAD_WATCHER ||= cf::async {
3443	reentrant => 0,	3756	Coro::AIO::aio_wait cache_extensions;
3444	after => 0,	3757
3445	data => WF_AUTOCANCEL,	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3446	cb => sub {
3447	do_reload_perl;	3759	do_reload_perl;
3448	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3449	},	3761	};
3450	);	3762	};
3451	}	3763	}
3452		3764
3453	register_command "reload" => sub {	3765	register_command "reload" => sub {
3454	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
3455		3767
…		…
3468		3780
3469	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3470	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3471		3783
3472	sub wait_for_tick {	3784	sub wait_for_tick {
3473	return unless $TICK_WATCHER->is_active;
3474	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3475		3786
3476	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3477	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3478	$signal->wait;	3789	$signal->wait;
3479	}	3790	}
3480		3791
3481	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3482	return unless $TICK_WATCHER->is_active;
3483	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3484		3794
3485	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3486	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3487	$signal->wait;	3797	$signal->wait;
3488	}	3798	}
3489		3799
3490	$TICK_WATCHER = Event->timer (	3800	sub tick {
3491	reentrant => 0,
3492	parked => 1,
3493	prio => 0,
3494	at => $NEXT_TICK || $TICK,
3495	data => WF_AUTOCANCEL,
3496	cb => sub {
3497	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3499	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3500	return;	3804	return;
3501	}	3805	}
3502		3806
3503	$NOW = $tick_start = Event::time;
3504
3505	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3506		3808
3507	$RUNTIME += $TICK;
3508	$NEXT_TICK += $TICK;
3509
3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3511	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3512	Coro::async_pool {	3811	Coro::async_pool {
3513	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3514	write_runtime	3813	write_runtime_sync
3515	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3516	};
3517	}	3815	};
		3816	}
3518		3817
3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3520	$sig->send;	3819	$sig->send;
3521	}	3820	}
3522	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3523	$sig->send;	3822	$sig->send;
3524	}	3823	}
3525		3824
3526	$NOW = Event::time;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3527
3528	# if we are delayed by four ticks or more, skip them all
3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3530
3531	$TICK_WATCHER->at ($NEXT_TICK);
3532	$TICK_WATCHER->start;
3533
3534	$LOAD = ($NOW - $tick_start) / $TICK;
3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3536		3827
3537	_post_tick;	3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
3538	},	3834	}
3539	);	3835	}
3540		3836
3541	{	3837	{
		3838	# configure BDB
		3839
3542	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3543	BDB::max_poll_time $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3544	$BDB_POLL_WATCHER = Event->io (	3842	$AnyEvent::BDB::WATCHER->priority (1);
3545	reentrant => 0,
3546	fd => BDB::poll_fileno,
3547	poll => 'r',
3548	prio => 0,
3549	data => WF_AUTOCANCEL,
3550	cb => \&BDB::poll_cb,
3551	);
3552
3553	BDB::set_sync_prepare {
3554	my $status;
3555	my $current = $Coro::current;
3556	(
3557	sub {
3558	$status = $!;
3559	$current->ready; undef $current;
3560	},
3561	sub {
3562	Coro::schedule while defined $current;
3563	$! = $status;
3564	},
3565	)
3566	};
3567		3843
3568	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3569	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3571	| 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;
3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3574		3851
3575	cf::sync_job {	3852	cf::sync_job {
3576	eval {	3853	eval {
…		…
3586		3863
3587	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
3588	};	3865	};
3589	}	3866	}
3590		3867
3591	$BDB_DEADLOCK_WATCHER = Event->timer (	3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3592	after => 3,
3593	interval => 1,
3594	hard => 1,
3595	prio => 0,
3596	data => WF_AUTOCANCEL,
3597	cb => sub {
3598	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 { };
3599	},
3600	);	3870	};
3601	$BDB_CHECKPOINT_WATCHER = Event->timer (	3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3602	after => 11,
3603	interval => 60,
3604	hard => 1,
3605	prio => 0,
3606	data => WF_AUTOCANCEL,
3607	cb => sub {
3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3609	},
3610	);	3873	};
3611	$BDB_TRICKLE_WATCHER = Event->timer (	3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3612	after => 5,
3613	interval => 10,
3614	hard => 1,
3615	prio => 0,
3616	data => WF_AUTOCANCEL,
3617	cb => sub {
3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3619	},
3620	);	3876	};
3621	}	3877	}
3622		3878
3623	{	3879	{
		3880	# configure IO::AIO
		3881
3624	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3625
3626	undef $Coro::AIO::WATCHER;
3627	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3628	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
3629	reentrant => 0,
3630	data => WF_AUTOCANCEL,
3631	fd => IO::AIO::poll_fileno,
3632	poll => 'r',
3633	prio => 0,
3634	cb => \&IO::AIO::poll_cb,
3635	);
3636	}	3885	}
3637		3886
3638	my $_log_backtrace;	3887	my $_log_backtrace;
3639		3888
3640	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3643	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3644		3893
3645	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3646	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3647	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3648	async {	3898	async {
3649	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3650		3900
3651	my @bt = fork_call {	3901	my @bt = fork_call {
3652	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3663	}	3913	}
3664		3914
3665	@funcs	3915	@funcs
3666	};	3916	};
3667		3917
3668	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3669	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3670	--$_log_backtrace;	3921	--$_log_backtrace;
3671	};	3922	};
3672	} else {	3923	} else {
3673	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3674	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3675	}	3926	}
3676	}	3927	}
3677		3928
3678	# load additional modules	3929	# load additional modules
3679	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3680		3931
3681	END { cf::emergency_save }	3932	END { cf::emergency_save }
3682		3933
3683	1	3934	1
3684		3935

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