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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.468 by root, Thu Jan 8 19:23:44 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
115		152
116	mkdir $_	153	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		155
119	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
162		199
163	The raw value load value from the last tick.	200	The raw value load value from the last tick.
164		201
165	=item %cf::CFG	202	=item %cf::CFG
166		203
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	205	from wherever your confdir points to.
169		206
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		208
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		231
195	LOG llevError, $msg;	232	LOG llevError, $msg;
196	};	233	};
197	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
198		250
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	261	for my $pkg (qw(
210	cf::global cf::attachable	262	cf::global cf::attachable
211	cf::object cf::object::player	263	cf::object cf::object::player
212	cf::client cf::player	264	cf::client cf::player
213	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
214	cf::map cf::party cf::region	267	cf::party cf::region
215	)) {	268	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	270	}
219		271
220	$Event::DIED = sub {	272	$EV::DIED = sub {
221	warn "error in event callback: @_";	273	warn "error in event callback: @_";
222	};	274	};
223		275
224	#############################################################################	276	#############################################################################
225		277
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	301	$d
250	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
251	}	303	}
252		304
253	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
254		306
255	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
256		308
257	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
258		310
259	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
260		312
261	=cut	313	=cut
262		314
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		316
265	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
267		333
268	=item cf::lock_wait $string	334	=item cf::lock_wait $string
269		335
270	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
271		337
272	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
273		339
274	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
277	returned.	343	returned.
278		344
279	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	346	deadlocked coro.
…		…
286		352
287	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
288		354
289	=cut	355	=cut
290		356
291	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		358
294	sub lock_wait($) {	359	sub lock_wait($) {
295	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	361	}
308		362
309	sub lock_acquire($) {	363	sub lock_acquire($) {
310	my ($key) = @_;	364	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	365	}
324		366
325	sub lock_active($) {	367	sub lock_active($) {
326	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	369	}
330		370
331	sub freeze_mainloop {	371	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
333		373
334	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	375	}
336	};	376
337	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
338	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
339	}	390	}
340		391
341	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
342		393
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	434	}
384	}	435	}
385	};	436	};
386		437
387	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
388	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
389		442
390	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
392		445
…		…
406		459
407	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
408		461
409	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
410		463
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	467	acceptable.
415		468
416	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		475
423	sub sync_job(&) {	476	sub sync_job(&) {
424	my ($job) = @_;	477	my ($job) = @_;
425		478
426	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	480	my $time = EV::time;
428		481
429	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
431		484
432	LOG llevError, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
433		486
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
437		488
438	my $busy = 1;	489	my $busy = 1;
439	my @res;	490	my @res;
440		491
…		…
444	warn $@ if $@;	495	warn $@ if $@;
445	undef $busy;	496	undef $busy;
446	})->prio (Coro::PRIO_MAX);	497	})->prio (Coro::PRIO_MAX);
447		498
448	while ($busy) {	499	while ($busy) {
449	Coro::cede or Event::one_event;	500	if (Coro::nready) {
		501	Coro::cede_notself;
		502	} else {
		503	EV::loop EV::LOOP_ONESHOT;
450	}	504	}
		505	}
451		506
452	$time = Event::time - $time;	507	my $time = EV::time - $time;
453		508
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	509	$TICK_START += $time; # do not account sync jobs to server load
458		510
459	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
460	} else {	512	} else {
461	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
462		514
…		…
487	=item fork_call { }, $args	539	=item fork_call { }, $args
488		540
489	Executes the given code block with the given arguments in a seperate	541	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	542	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	543	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	544	never block itself or use any form of event handling.
493		545
494	=cut	546	=cut
495		547
496	sub fork_call(&@) {	548	sub fork_call(&@) {
497	my ($cb, @args) = @_;	549	my ($cb, @args) = @_;
…		…
504	reset_signals;	556	reset_signals;
505	&$cb	557	&$cb
506	}, @args;	558	}, @args;
507		559
508	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
509	}	588	}
510		589
511	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
512		591
513	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
652		731
653	#############################################################################	732	#############################################################################
654		733
655	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
656		735
657	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
660		739
661	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	742	Deliantra).
664		743
665	=over 4	744	=over 4
666		745
667	=item $attachable->attach ($attachment, key => $value...)	746	=item $attachable->attach ($attachment, key => $value...)
668		747
…		…
712	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
713		792
714	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
716		795
717	Some classes such as crossfire maps and objects can specify attachments	796	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.	797	that are attached at load/instantiate time, thus the need for a name.
719		798
720	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
721		800
722	=over 4	801	=over 4
…		…
950	}	1029	}
951		1030
952	0	1031	0
953	}	1032	}
954		1033
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1034	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1035
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1037
959	Generate an object-specific event with the given arguments.	1038	Generate an object-specific event with the given arguments.
960		1039
…		…
1013		1092
1014	sub reattach {	1093	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1095	my ($obj) = @_;
1017		1096
		1097	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1099
1020	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1021		1101
1022	@$registry = ();	1102	@$registry = ();
1023		1103
…		…
1038	cf::attachable->attach (	1118	cf::attachable->attach (
1039	prio => -1000000,	1119	prio => -1000000,
1040	on_instantiate => sub {	1120	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1121	my ($obj, $data) = @_;
1042		1122
1043	$data = from_json $data;	1123	$data = decode_json $data;
1044		1124
1045	for (@$data) {	1125	for (@$data) {
1046	my ($name, $args) = @$_;	1126	my ($name, $args) = @$_;
1047		1127
1048	$obj->attach ($name, %{$args || {} });	1128	$obj->attach ($name, %{$args || {} });
…		…
1069	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1072		1152
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1077	close $fh;	1157	aio_close $fh;
1078		1158
1079	if (@$objs) {	1159	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1085	close $fh;	1165	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1167	}
1088	} else {	1168	} else {
1089	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1090	}	1170	}
1091		1171
1092	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1176	} else {
1094	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1095	}	1178	}
1096	} else {	1179	} else {
1097	aio_unlink $filename;	1180	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1099	}	1182	}
…		…
1118		1201
1119	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1204	or return;
1122		1205
1123	my $st = eval { Coro::Storable::thaw $av }	1206	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1207	$av = $st->{objs};
1126	}	1208	}
1127		1209
1128	utf8::decode (my $decname = $filename);	1210	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
…		…
1191	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1192		1274
1193	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1194	}	1276	}
1195		1277
		1278	use File::Glob ();
		1279
1196	cf::player->attach (	1280	cf::player->attach (
1197	on_command => sub {	1281	on_command => sub {
1198	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1199		1283
1200	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1232		1316
1233	cf::override;	1317	cf::override;
1234	},	1318	},
1235	);	1319	);
1236		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1237	sub load_extensions {	1334	sub load_extensions {
1238	cf::sync_job {	1335	cf::sync_job {
1239	my %todo;	1336	my %todo;
1240		1337
1241	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1260		1357
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1360
1264	$ext{source} =	1361	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1267	. $source	1364	. $source
1268	. "\n};\n1";	1365	. "\n};\n1";
1269		1366
1270	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1288		1385
1289	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1387	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1389	}
1294		1390
1295	warn $msg;	1391	warn $msg;
1296	}	1392	}
1297		1393
…		…
1311		1407
1312	=back	1408	=back
1313		1409
1314	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1315		1411
1316	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1317		1413
1318	=cut	1414	=cut
1319		1415
1320	package cf::player;	1416	package cf::player;
1321		1417
…		…
1364		1460
1365	sub exists($) {	1461	sub exists($) {
1366	my ($login) = @_;	1462	my ($login) = @_;
1367		1463
1368	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1370	}	1466	}
1371		1467
1372	sub find($) {	1468	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1470	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1482	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1483	or return;
1388		1484
1389	my $pl = cf::player::load_pl $f	1485	my $pl = cf::player::load_pl $f
1390	or return;	1486	or return;
		1487
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1488	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1489	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1394	}	1491	}
1395	}	1492	}
…		…
1405		1502
1406	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1407		1504
1408	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1410		1509
1411	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1511	cf::cede_to_tick;
1413	}	1512	}
1414		1513
…		…
1446	my ($pl) = @_;	1545	my ($pl) = @_;
1447		1546
1448	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1449		1548
1450	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1551
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1457		1558
1458	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1599
1499	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
1500	my $path = path $login;	1601	my $path = path $login;
1501		1602
1502	# a .pst is a dead give-away for a valid player	1603	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1609	}
1508		1610
…		…
1539	}	1641	}
1540		1642
1541	\@paths	1643	\@paths
1542	}	1644	}
1543		1645
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1647
1546	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1649
1595	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1596		1651
1597	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1598		1653
…		…
1665	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1667		1722
1668	sub generate_random_map {	1723	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1670	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1729	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1854
1797	# the temporary/swap location	1855	# the temporary/swap location
1798	sub save_path {	1856	sub save_path {
1799	my ($self) = @_;	1857	my ($self) = @_;
1800		1858
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1803	}	1861	}
1804		1862
1805	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1806	sub uniq_path {	1864	sub uniq_path {
1807	my ($self) = @_;	1865	my ($self) = @_;
1808		1866
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	1869	}
1821		1870
1822	sub decay_objects {	1871	sub decay_objects {
1823	my ($self) = @_;	1872	my ($self) = @_;
1824		1873
…		…
1908	sub find {	1957	sub find {
1909	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1910		1959
1911	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1912		1961
1913	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1915		1964
1916	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1921	or return;	1967	or return;
1922		1968
1923	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1924		1970
…		…
1926	or return;	1972	or return;
1927		1973
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
1931	undef $guard1;	1978	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1979	$map->reset;
1934	return find $path;	1980	return find $path;
1935	}	1981	}
1936		1982
1937	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2011	$f->skip_block;
1966	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
1967	or return;	2013	or return;
1968		2014
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
1970	if delete $self->{load_original};	2016	if delete $self->{load_original};
1971		2017
1972	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2019	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
1992	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2039	$self->decay_objects;
1994	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
1995	$self->update_buttons;	2041	$self->update_buttons;
1996	cf::cede_to_tick;	2042	cf::cede_to_tick;
1997	$self->set_darkness_map;
1998	cf::cede_to_tick;
1999	$self->activate;	2043	$self->activate;
2000	}	2044	}
2001		2045
2002	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
2004		2048
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2050	}
2007		2051
2008	$self->post_load;	2052	$self->post_load;
2009	}	2053	}
2010		2054
…		…
2068	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
2069		2113
2070	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
2071		2115
2072	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2118	}
2075		2119
2076	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
2077		2121
2078	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2159	cf::async {
2116	$Coro::current->{desc} = "map player save";	2160	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2118	};	2162	};
2119		2163
		2164	cf::get_slot 0.02;
		2165
2120	if ($uniq) {	2166	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2169	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2170	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2178	$self->save;
2133		2179
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2181
2136	return if $self->players;	2182	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2184	return if $self->{deny_save};
2139		2185
2140	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->in_memory (cf::MAP_SWAPPED);
2141		2187
2142	$self->deactivate;	2188	$self->deactivate;
…		…
2260		2306
2261	sub unique_maps() {	2307	sub unique_maps() {
2262	[	2308	[
2263	map {	2309	map {
2264	utf8::decode $_;	2310	utf8::decode $_;
2265	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2266	? normalise $_	2314	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2316	]
2270	}	2317	}
2271		2318
2272	package cf;
2273
2274	=back	2319	=back
2275		2320
2276	=head3 cf::object	2321	=head3 cf::object
2277		2322
2278	=cut	2323	=cut
…		…
2281		2326
2282	=over 4	2327	=over 4
2283		2328
2284	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2285		2330
2286	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2287		2333
2288	=cut	2334	=cut
2289		2335
2290	sub inv_recursive_;	2336	sub inv_recursive_;
2291	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2297	}	2343	}
2298		2344
2299	=item $ref = $ob->ref	2345	=item $ref = $ob->ref
2300		2346
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2347	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2348
2303	=item $ob = cf::object::deref ($refstring)	2349	=item $ob = cf::object::deref ($refstring)
2304		2350
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2352	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2340		2386
2341	=cut	2387	=cut
2342		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
		2402
2343	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2404	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2407	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2420
2361	} else {	2421	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2424	}
2365	}	2425	}
2366	}	2426	}
2367		2427
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2453
2394	=item $player_object->enter_link	2454	=item $player_object->enter_link
2395		2455
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2457
2398	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2400		2462
2401	Will never block.	2463	Will never block.
2402		2464
2403	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2404		2466
…		…
2462		2524
2463	$map->load;	2525	$map->load;
2464	$map->load_neighbours;	2526	$map->load_neighbours;
2465		2527
2466	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2467	$self->activate_recursive;	2530	$self->activate_recursive;
2468		2531
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2471	}	2534	}
…		…
2475	Moves the player to the given map-path and coordinates by first freezing	2538	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
2480		2546
2481	=cut	2547	=cut
2482		2548
2483	our $GOTOGEN;	2549	our $GOTOGEN;
2484		2550
…		…
2563	}	2629	}
2564		2630
2565	sub prepare_random_map {	2631	sub prepare_random_map {
2566	my ($exit) = @_;	2632	my ($exit) = @_;
2567		2633
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2636	# that depends on the exit object
2573		2637
2574	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2640	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2581	}	2647	}
2582		2648
2583	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2584		2650
2585	my $data = cf::to_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2588		2654
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2657	undef $fh;
2592	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2593		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2596	}	2666	}
2597	}	2667	}
2598		2668
2599	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2601		2671
2602	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2603		2673
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2674	$self->enter_link;
2616		2675
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2676	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2677	$Coro::current->{desc} = "enter_exit";
2623		2678
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2626	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2627		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2628	1;	2700	1
2629	}) {	2701	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2706
2635	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2735	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2736	the message unless the client supports the msg packet.
2665		2737
2666	=cut	2738	=cut
2667		2739
		2740	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2741	our %CHANNEL = (
2669	"c/identify" => {	2742	"c/identify" => {
2670	id => "infobox",	2743	id => "infobox",
2671	title => "Identify",	2744	title => "Identify",
2672	reply => undef,	2745	reply => undef,
…		…
2676	id => "infobox",	2749	id => "infobox",
2677	title => "Examine",	2750	title => "Examine",
2678	reply => undef,	2751	reply => undef,
2679	tooltip => "Signs and other items you examined",	2752	tooltip => "Signs and other items you examined",
2680	},	2753	},
		2754	"c/book" => {
		2755	id => "infobox",
		2756	title => "Book",
		2757	reply => undef,
		2758	tooltip => "The contents of a note or book",
		2759	},
2681	"c/lookat" => {	2760	"c/lookat" => {
2682	id => "infobox",	2761	id => "infobox",
2683	title => "Look",	2762	title => "Look",
2684	reply => undef,	2763	reply => undef,
2685	tooltip => "What you saw there",	2764	tooltip => "What you saw there",
2686	},	2765	},
		2766	"c/who" => {
		2767	id => "infobox",
		2768	title => "Players",
		2769	reply => undef,
		2770	tooltip => "Shows players who are currently online",
		2771	},
		2772	"c/body" => {
		2773	id => "infobox",
		2774	title => "Body Parts",
		2775	reply => undef,
		2776	tooltip => "Shows which body parts you posess and are available",
		2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
2687	);	2828	);
2688		2829
2689	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2832
2692	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2693		2835
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2837
2696	# check predefined channels, for the benefit of C	2838	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2839	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	2840	$channel = $CHANNEL{$channel};
2699		2841
2700	$self->ext_msg (channel_info => $channel)	2842	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	2843	$channel = $channel->{id};
2704		2844
2705	} elsif (ref $channel) {	2845	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	2849	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	2850	}
2712		2851
2713	$channel = $channel->{id};	2852	$channel = $channel->{id};
2714	}	2853	}
2715		2854
2716	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2717		2856
2718	if ($self->can_msg) {
2719	# default colour, mask it out	2857	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2859	if $color & cf::NDI_DEF;
2722		2860
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	2864	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		2865
2737	$color &= cf::NDI_COLOR_MASK;	2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
2738		2869
2739	utf8::encode $msg;	2870	# split very large packets
2740		2871	if (8192 < length $pkt and $self->{can_lzf}) {
2741	if (0 && $msg =~ /\[/) {	2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2742	# COMMAND/INFO	2873	$pkt = "frag";
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}	2874	}
		2875
		2876	$self->send_packet ($pkt);
2750	}	2877	}
2751		2878
2752	=item $client->ext_msg ($type, @msg)	2879	=item $client->ext_msg ($type, @msg)
2753		2880
2754	Sends an ext event to the client.	2881	Sends an ext event to the client.
…		…
2928		3055
2929	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
2930		3057
2931	cf::object	3058	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3059	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3060	insert remove name archname title slaying race decrease split
		3061	value
2934		3062
2935	cf::object::player	3063	cf::object::player
2936	player	3064	player
2937		3065
2938	cf::player	3066	cf::player
…		…
2943		3071
2944	=cut	3072	=cut
2945		3073
2946	for (	3074	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3077	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2953	) {	3081	) {
2954	no strict 'refs';	3082	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2973	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
2974		3102
2975	my $qcode = $code;	3103	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
2978		3108
2979	local $_;	3109	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
2981		3111
2982	my $eval =	3112	my $eval =
…		…
3059	{	3189	{
3060	my $faces = $facedata->{faceinfo};	3190	my $faces = $facedata->{faceinfo};
3061		3191
3062	while (my ($face, $info) = each %$faces) {	3192	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3193	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3194
3064	cf::face::set_visibility $idx, $info->{visibility};	3195	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3196	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3197	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3198	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3199
3069	cf::cede_to_tick;	3200	cf::cede_to_tick;
3070	}	3201	}
3071		3202
3072	while (my ($face, $info) = each %$faces) {	3203	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3204	next unless $info->{smooth};
		3205
3074	my $idx = cf::face::find $face	3206	my $idx = cf::face::find $face
3075	or next;	3207	or next;
		3208
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3209	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3210	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3211	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3212	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3213	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3231	{
3099	# TODO: for gcfclient pleasure, we should give resources	3232	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3233	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3234	my $res = $facedata->{resource};
3102		3235
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3236	while (my ($name, $info) = each %$res) {
		3237	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3238	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3239	my $data;
3108		3240
3109	if ($info->{type} & 1) {	3241	if ($info->{type} & 1) {
3110	# prepend meta info	3242	# prepend meta info
3111		3243
3112	my $meta = $enc->encode ({	3244	my $meta = $enc->encode ({
3113	name => $name,	3245	name => $name,
3114	%{ $info->{meta} || {} },	3246	%{ $info->{meta} || {} },
3115	});	3247	});
3116		3248
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3249	$data = pack "(w/a*)*", $meta, $info->{data};
		3250	} else {
		3251	$data = $info->{data};
		3252	}
		3253
		3254	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3255	cf::face::set_type $idx, $info->{type};
3118	} else {	3256	} else {
3119	$data = $info->{data};	3257	$RESOURCE{$name} = $info;
3120	}	3258	}
3121		3259
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3260	cf::cede_to_tick;
3126	}	3261	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3262	}
		3263
		3264	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3265
3147	1	3266	1
3148	}	3267	}
		3268
		3269	cf::global->attach (on_resource_update => sub {
		3270	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3271	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3272
		3273	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3274	my $sound = $soundconf->{compat}[$_]
		3275	or next;
		3276
		3277	my $face = cf::face::find "sound/$sound->[1]";
		3278	cf::sound::set $sound->[0] => $face;
		3279	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3280	}
		3281
		3282	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3283	my $face = cf::face::find "sound/$v";
		3284	cf::sound::set $k => $face;
		3285	}
		3286	}
		3287	});
3149		3288
3150	register_exticmd fx_want => sub {	3289	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3290	my ($ns, $want) = @_;
3152		3291
3153	while (my ($k, $v) = each %$want) {	3292	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3293	$ns->fx_want ($k, $v);
3155	}	3294	}
3156	};	3295	};
		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
3157		3306
3158	sub reload_regions {	3307	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3308	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3309	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3324	}
3176		3325
3177	sub reload_archetypes {	3326	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3327	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3328	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3329	}
3186		3330
3187	sub reload_treasures {	3331	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3332	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3333	or die "unable to load treasurelists\n";
3190	}	3334	}
3191		3335
3192	sub reload_resources {	3336	sub reload_resources {
3193	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
3194		3338
		3339	reload_facedata;
		3340	reload_archetypes;
3195	reload_regions;	3341	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3342	reload_treasures;
3200		3343
3201	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3345	}
3207		3346
3208	sub reload_config {	3347	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3349	or return;
3211		3350
3212	local $/;	3351	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3352	*CFG = YAML::Load <$fh>;
3214		3353
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3354	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3355
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3356	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3357	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3363	};
3225	warn $@ if $@;	3364	warn $@ if $@;
3226	}	3365	}
3227	}	3366	}
3228		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3229	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
3230	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3405	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3407	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
3237	};	3409	};
3238		3410
		3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
3239	reload_config;	3415	reload_config;
3240	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
3241	load_extensions;	3429	load_extensions;
3242		3430
3243	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
		3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
3244	Event::loop;	3439	EV::loop;
3245	}	3440	}
3246		3441
3247	#############################################################################	3442	#############################################################################
3248	# initialisation and cleanup	3443	# initialisation and cleanup
3249		3444
3250	# install some emergency cleanup handlers	3445	# install some emergency cleanup handlers
3251	BEGIN {	3446	BEGIN {
		3447	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3448	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3449	$SIGWATCHER{$signal} = EV::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
3260	},
3261	);	3451	};
3262	}	3452	}
3263	}	3453	}
3264		3454
3265	sub write_runtime {	3455	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
3270		3458
3271	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3460
3273	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
3274		3462
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3464	or return;
3277		3465
3278	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
3291		3479
3292	close $fh	3480	close $fh
3293	or return;	3481	or return;
3294		3482
3295	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3484	and return;
3297		3485
3298	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
3299		3487
3300	1	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
3301	}	3539	}
3302		3540
3303	sub emergency_save() {	3541	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
3305		3543
3306	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
3307		3545
3308	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
3309	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3558	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3560	$pl->save;
3318	}	3561	}
3319	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
3320		3563
3321	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3567	$map->valid or next;
3325	$map->save;	3568	$map->save;
3326	}	3569	}
3327	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
3328		3571
3329	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
3332	};	3579	};
3333		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
3334	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
3335	}	3587	}
3336		3588
3337	sub post_cleanup {	3589	sub post_cleanup {
3338	my ($make_core) = @_;	3590	my ($make_core) = @_;
3339		3591
3340	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3342	}	3623	}
3343		3624
3344	sub do_reload_perl() {	3625	sub do_reload_perl() {
3345	# can/must only be called in main	3626	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3348	return;	3629	return;
3349	}	3630	}
3350		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3351	warn "reloading...";	3637	warn "reloading...";
3352		3638
3353	warn "entering sync_job";	3639	warn "entering sync_job";
3354		3640
3355	cf::sync_job {	3641	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3643	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3359		3645
3360	warn "syncing database to disk";	3646	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3648
3363	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3364		3650
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();
3384
3385	warn "removing commands";
3386	%COMMAND = ();
3387
3388	warn "removing ext/exti commands";
3389	%EXTCMD = ();
3390	%EXTICMD = ();
3391
3392	warn "unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";
3395
3396	if (my $cb = $pkg->can ("unload")) {
3397	eval {
3398	$cb->($pkg);
3399	1
3400	} or warn "$pkg unloaded, but with errors: $@";
3401	}	3654	}
3402		3655
3403	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3405	}	3658	%EXT_CORO = ();
3406		3659
3407	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3669	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3670
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3418	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3419	}	3680	}
3420		3681
3421	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3422	}	3697	}
3423		3698
3424	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3702
3428	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		3706
3432	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3708	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3435		3710
3436	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3437		3712
3438	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3439	require cf;	3714	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3716
3442	warn "loading config and database again";	3717	warn "loading config and database again";
3443	cf::reload_config;	3718	cf::reload_config;
3444		3719
3445	warn "loading extensions";	3720	warn "loading extensions";
3446	cf::load_extensions;	3721	cf::load_extensions;
3447		3722
		3723	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3454		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3455	warn "leaving sync_job";	3735	warn "leaving sync_job";
3456		3736
3457	1	3737	1
3458	} or do {	3738	} or do {
3459	warn $@;	3739	warn $@;
3460	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3741	};
3463		3742
3464	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3465	};	3749	};
3466		3750
3467	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3468		3752
3469	sub reload_perl() {	3753	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3472		3756
3473	$RELOAD_WATCHER ||= Event->timer (	3757	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	3758	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	3759
3476	data => WF_AUTOCANCEL,	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	3761	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
3480	},	3763	};
3481	);	3764	};
3482	}	3765	}
3483		3766
3484	register_command "reload" => sub {	3767	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
3486		3769
…		…
3499		3782
3500	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
3502		3785
3503	sub wait_for_tick {	3786	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3788
3507	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3791	$signal->wait;
3510	}	3792	}
3511		3793
3512	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3796
3516	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3799	$signal->wait;
3519	}	3800	}
3520		3801
3521	$TICK_WATCHER = Event->timer (	3802	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
3531	return;	3806	return;
3532	}	3807	}
3533		3808
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
3537		3810
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3813	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3814	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3815	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3817	};
		3818	}
3549		3819
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3821	$sig->send;
3552	}	3822	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3824	$sig->send;
3555	}	3825	}
3556		3826
3557	$NOW = Event::time;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3829
3568	_post_tick;	3830	if (0) {
		3831	if ($NEXT_TICK) {
		3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
3569	},	3836	}
3570	);	3837	}
3571		3838
3572	{	3839	{
		3840	# configure BDB
		3841
3573	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3843	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3844	$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		3845
3599	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3853
3606	cf::sync_job {	3854	cf::sync_job {
3607	eval {	3855	eval {
…		…
3617		3865
3618	cf::cleanup "db_env_open(db): $@" if $@;	3866	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3867	};
3620	}	3868	}
3621		3869
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3870	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	3871	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3872	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3873	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	3874	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3875	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3876	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	3877	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3878	};
3652	}	3879	}
3653		3880
3654	{	3881	{
		3882	# configure IO::AIO
		3883
3655	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3886	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	3887	}
3668		3888
3669	my $_log_backtrace;	3889	my $_log_backtrace;
3670		3890
3671	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3675		3895
3676	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3679	async {	3900	async {
3680	$Coro::current->{desc} = "abt $msg";	3901	$Coro::current->{desc} = "abt $msg";
3681		3902
3682	my @bt = fork_call {	3903	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3915	}
3695		3916
3696	@funcs	3917	@funcs
3697	};	3918	};
3698		3919
3699	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3923	--$_log_backtrace;
3702	};	3924	};
3703	} else {	3925	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3706	}	3928	}
3707	}	3929	}
3708		3930
3709	# load additional modules	3931	# load additional modules
3710	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3711		3933
3712	END { cf::emergency_save }	3934	END { cf::emergency_save }
3713		3935
3714	1	3936	1
3715		3937

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