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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 1.473 by root, Fri Jun 26 16:32:10 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;	56	use Digest::MD5;
30	use Fcntl;	57	use Fcntl;
31	use YAML::Syck ();	58	use YAML ();
32	use IO::AIO 2.51 ();	59	use IO::AIO ();
33	use Time::HiRes;	60	use Time::HiRes;
34	use Compress::LZF;	61	use Compress::LZF;
35	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
36		65
37	# configure various modules to our taste	66	# configure various modules to our taste
38	#	67	#
39	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43	$Event::Eval = 1; # no idea why this is required, but it is
44
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		76
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51		78
52	our %COMMAND = ();	79	our %COMMAND = ();
53	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
56	our %EXTCMD = ();	83	our %EXTCMD = ();
57	our %EXTICMD = ();	84	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
60		87
61	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	89	our @EVENT;
63		90
64	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
65	our $DATADIR = datadir;	92	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
69	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
		105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		111
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	115	our $DB_ENV;
89		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
90	our %CFG;	119	our %CFG;
91		120
92	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	122	our $RUNTIME;
		123	our $NOW;
94		124
95	our (%PLAYER, %PLAYER_LOADING); # all users	125	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	126	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	127	our $LINK_MAP; # the special {link} map, which is always available
98		128
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
115		152
116	mkdir $_	153	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		155
119	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
162		199
163	The raw value load value from the last tick.	200	The raw value load value from the last tick.
164		201
165	=item %cf::CFG	202	=item %cf::CFG
166		203
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	204	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	205	from wherever your confdir points to.
169		206
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	207	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		208
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	209	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	230	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		231
195	LOG llevError, $msg;	232	LOG llevError, $msg;
196	};	233	};
197	}	234	}
		235
		236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
		245	warn Carp::longmess $_[0];
		246	Coro::terminate
		247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
198		250
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	261	for my $pkg (qw(
210	cf::global cf::attachable	262	cf::global cf::attachable
211	cf::object cf::object::player	263	cf::object cf::object::player
212	cf::client cf::player	264	cf::client cf::player
213	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
214	cf::map cf::party cf::region	267	cf::party cf::region
215	)) {	268	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	270	}
219		271
220	$Event::DIED = sub {	272	$EV::DIED = sub {
221	warn "error in event callback: @_";	273	warn "error in event callback: @_";
222	};	274	};
223		275
224	#############################################################################	276	#############################################################################
225		277
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	300	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	301	$d
250	} || "[unable to dump $_[0]: '$@']";	302	} || "[unable to dump $_[0]: '$@']";
251	}	303	}
252		304
253	=item $ref = cf::from_json $json	305	=item $ref = cf::decode_json $json
254		306
255	Converts a JSON string into the corresponding perl data structure.	307	Converts a JSON string into the corresponding perl data structure.
256		308
257	=item $json = cf::to_json $ref	309	=item $json = cf::encode_json $ref
258		310
259	Converts a perl data structure into its JSON representation.	311	Converts a perl data structure into its JSON representation.
260		312
261	=cut	313	=cut
262		314
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		316
265	sub to_json ($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
267		333
268	=item cf::lock_wait $string	334	=item cf::lock_wait $string
269		335
270	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
271		337
272	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
273		339
274	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
277	returned.	343	returned.
278		344
279	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	346	deadlocked coro.
…		…
286		352
287	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
288		354
289	=cut	355	=cut
290		356
291	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		358
294	sub lock_wait($) {	359	sub lock_wait($) {
295	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	361	}
308		362
309	sub lock_acquire($) {	363	sub lock_acquire($) {
310	my ($key) = @_;	364	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	365	}
324		366
325	sub lock_active($) {	367	sub lock_active($) {
326	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	369	}
330		370
331	sub freeze_mainloop {	371	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
333		373
334	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	375	}
336	};	376
337	$TICK_WATCHER->stop;	377	=item cf::periodic $interval, $cb
338	$guard	378
		379	Like EV::periodic, but randomly selects a starting point so that the actions
		380	get spread over timer.
		381
		382	=cut
		383
		384	sub periodic($$) {
		385	my ($interval, $cb) = @_;
		386
		387	my $start = rand List::Util::min 180, $interval;
		388
		389	EV::periodic $start, $interval, 0, $cb
339	}	390	}
340		391
341	=item cf::get_slot $time[, $priority[, $name]]	392	=item cf::get_slot $time[, $priority[, $name]]
342		393
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	394	Allocate $time seconds of blocking CPU time at priority C<$priority>:
…		…
383	}	434	}
384	}	435	}
385	};	436	};
386		437
387	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
388	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
389		442
390	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
391	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
392		445
…		…
406		459
407	BEGIN { *async = \&Coro::async_pool }	460	BEGIN { *async = \&Coro::async_pool }
408		461
409	=item cf::sync_job { BLOCK }	462	=item cf::sync_job { BLOCK }
410		463
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	464	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	465	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	466	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	467	acceptable.
415		468
416	If it must be done, put the blocking parts into C<sync_job>. This will run	469	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	470	the given BLOCK in another coroutine while waiting for the result. The
…		…
422		475
423	sub sync_job(&) {	476	sub sync_job(&) {
424	my ($job) = @_;	477	my ($job) = @_;
425		478
426	if ($Coro::current == $Coro::main) {	479	if ($Coro::current == $Coro::main) {
427	my $time = Event::time;	480	my $time = EV::time;
428		481
429	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
431		484
432	LOG llevError, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
433		486
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
437		488
438	my $busy = 1;	489	my $busy = 1;
439	my @res;	490	my @res;
440		491
…		…
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	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
1077	close $fh;	1160	aio_close $fh;
1078		1161
1079	if (@$objs) {	1162	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
1085	close $fh;	1171	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1173	}
1088	} else {	1174	} else {
1089	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1090	}	1176	}
1091		1177
1092	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1182	} else {
1094	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1095	}	1184	}
1096	} else {	1185	} else {
1097	aio_unlink $filename;	1186	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1099	}	1188	}
…		…
1118		1207
1119	unless (aio_stat "$filename.pst") {	1208	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1209	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1210	or return;
1122		1211
1123	my $st = eval { Coro::Storable::thaw $av }	1212	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1213	$av = $st->{objs};
1126	}	1214	}
1127		1215
1128	utf8::decode (my $decname = $filename);	1216	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1217	warn sprintf "loading %s (%d,%d)\n",
…		…
1191	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1192		1280
1193	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1194	}	1282	}
1195		1283
		1284	use File::Glob ();
		1285
1196	cf::player->attach (	1286	cf::player->attach (
1197	on_command => sub {	1287	on_command => sub {
1198	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1199		1289
1200	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1232		1322
1233	cf::override;	1323	cf::override;
1234	},	1324	},
1235	);	1325	);
1236		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
		1339
1237	sub load_extensions {	1340	sub load_extensions {
1238	cf::sync_job {	1341	cf::sync_job {
1239	my %todo;	1342	my %todo;
1240		1343
1241	for my $path (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
…		…
1260		1363
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1366
1264	$ext{source} =	1367	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1266	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1267	. $source	1370	. $source
1268	. "\n};\n1";	1371	. "\n};\n1";
1269		1372
1270	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1286	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1287	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1288		1391
1289	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1290	warn $msg;	1393	warn $msg;
1291	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1292	exit 1;
1293	}	1395	}
1294		1396
1295	warn $msg;	1397	warn $msg;
1296	}	1398	}
1297		1399
…		…
1311		1413
1312	=back	1414	=back
1313		1415
1314	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1315		1417
1316	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1317		1419
1318	=cut	1420	=cut
1319		1421
1320	package cf::player;	1422	package cf::player;
1321		1423
…		…
1364		1466
1365	sub exists($) {	1467	sub exists($) {
1366	my ($login) = @_;	1468	my ($login) = @_;
1367		1469
1368	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1370	}	1472	}
1371		1473
1372	sub find($) {	1474	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1476	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1488	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1489	or return;
1388		1490
1389	my $pl = cf::player::load_pl $f	1491	my $pl = cf::player::load_pl $f
1390	or return;	1492	or return;
		1493
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1494	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1495	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1394	}	1497	}
1395	}	1498	}
…		…
1405		1508
1406	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1407		1510
1408	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
		1513
		1514	cf::get_slot 0.01;
1410		1515
1411	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1517	cf::cede_to_tick;
1413	}	1518	}
1414		1519
…		…
1446	my ($pl) = @_;	1551	my ($pl) = @_;
1447		1552
1448	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1449		1554
1450	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1557
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1454	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1456	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1457		1564
1458	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1498		1605
1499	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
1500	my $path = path $login;	1607	my $path = path $login;
1501		1608
1502	# a .pst is a dead give-away for a valid player	1609	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1615	}
1508		1616
…		…
1539	}	1647	}
1540		1648
1541	\@paths	1649	\@paths
1542	}	1650	}
1543		1651
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1653
1546	Expand crossfire pod fragments into protocol xml.	1654	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		1655
1595	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1596		1657
1597	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1598		1659
…		…
1665	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1667		1728
1668	sub generate_random_map {	1729	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1670	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1671	$self->_create_random_map (	1735	$self->_create_random_map (
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1796		1860
1797	# the temporary/swap location	1861	# the temporary/swap location
1798	sub save_path {	1862	sub save_path {
1799	my ($self) = @_;	1863	my ($self) = @_;
1800		1864
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1803	}	1867	}
1804		1868
1805	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1806	sub uniq_path {	1870	sub uniq_path {
1807	my ($self) = @_;	1871	my ($self) = @_;
1808		1872
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	1874	"$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	}	1875	}
1821		1876
1822	sub decay_objects {	1877	sub decay_objects {
1823	my ($self) = @_;	1878	my ($self) = @_;
1824		1879
…		…
1908	sub find {	1963	sub find {
1909	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1910		1965
1911	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1912		1967
1913	cf::lock_wait "map_data:$path";#d#remove	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1915		1970
1916	$cf::MAP{$path} || do {	1971	$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	1972	my $map = new_from_path cf::map $path
1921	or return;	1973	or return;
1922		1974
1923	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1924		1976
…		…
1926	or return;	1978	or return;
1927		1979
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
1931	undef $guard1;	1984	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	1985	$map->reset;
1934	return find $path;	1986	return find $path;
1935	}	1987	}
1936		1988
1937	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
…		…
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2017	$f->skip_block;
1966	$self->_load_objects ($f)	2018	$self->_load_objects ($f)
1967	or return;	2019	or return;
1968		2020
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
1970	if delete $self->{load_original};	2022	if delete $self->{load_original};
1971		2023
1972	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2025	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2026	unless (aio_stat $uniq) {
…		…
1992	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2045	$self->decay_objects;
1994	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
1995	$self->update_buttons;	2047	$self->update_buttons;
1996	cf::cede_to_tick;	2048	cf::cede_to_tick;
1997	$self->set_darkness_map;
1998	cf::cede_to_tick;
1999	$self->activate;	2049	$self->activate;
2000	}	2050	}
2001		2051
2002	$self->{last_save} = $cf::RUNTIME;	2052	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2053	$self->last_access ($cf::RUNTIME);
2004		2054
2005	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
2006	}	2056	}
2007		2057
2008	$self->post_load;	2058	$self->post_load;
2009	}	2059	}
2010		2060
…		…
2068	my ($path, $origin, $load) = @_;	2118	my ($path, $origin, $load) = @_;
2069		2119
2070	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
2071		2121
2072	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2074	}	2124	}
2075		2125
2076	$MAP_PREFETCH{$path} |= $load;	2126	$MAP_PREFETCH{$path} |= $load;
2077		2127
2078	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
…		…
2115	cf::async {	2165	cf::async {
2116	$Coro::current->{desc} = "map player save";	2166	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2118	};	2168	};
2119		2169
		2170	cf::get_slot 0.02;
		2171
2120	if ($uniq) {	2172	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2175	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2132	$self->save;	2184	$self->save;
2133		2185
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2187
2136	return if $self->players;	2188	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2138	return if $self->{deny_save};	2190	return if $self->{deny_save};
2139		2191
2140	$self->in_memory (cf::MAP_SWAPPED);	2192	$self->in_memory (cf::MAP_SWAPPED);
2141		2193
2142	$self->deactivate;	2194	$self->deactivate;
…		…
2260		2312
2261	sub unique_maps() {	2313	sub unique_maps() {
2262	[	2314	[
2263	map {	2315	map {
2264	utf8::decode $_;	2316	utf8::decode $_;
2265	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2266	? normalise $_	2320	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2322	]
2270	}	2323	}
2271		2324
2272	package cf;
2273
2274	=back	2325	=back
2275		2326
2276	=head3 cf::object	2327	=head3 cf::object
2277		2328
2278	=cut	2329	=cut
…		…
2281		2332
2282	=over 4	2333	=over 4
2283		2334
2284	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2285		2336
2286	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2287		2339
2288	=cut	2340	=cut
2289		2341
2290	sub inv_recursive_;	2342	sub inv_recursive_;
2291	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2297	}	2349	}
2298		2350
2299	=item $ref = $ob->ref	2351	=item $ref = $ob->ref
2300		2352
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2353	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2354
2303	=item $ob = cf::object::deref ($refstring)	2355	=item $ob = cf::object::deref ($refstring)
2304		2356
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2358	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2340		2392
2341	=cut	2393	=cut
2342		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
		2408
2343	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2410	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2413	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2426
2361	} else {	2427	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2430	}
2365	}	2431	}
2366	}	2432	}
2367		2433
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2459
2394	=item $player_object->enter_link	2460	=item $player_object->enter_link
2395		2461
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2463
2398	The player should be reasonably safe there for short amounts of time. You	2464	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2400		2468
2401	Will never block.	2469	Will never block.
2402		2470
2403	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2404		2472
…		…
2462		2530
2463	$map->load;	2531	$map->load;
2464	$map->load_neighbours;	2532	$map->load_neighbours;
2465		2533
2466	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2467	$self->activate_recursive;	2536	$self->activate_recursive;
2468		2537
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2471	}	2540	}
…		…
2475	Moves the player to the given map-path and coordinates by first freezing	2544	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2545	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	2546	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	2547	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2480		2552
2481	=cut	2553	=cut
2482		2554
2483	our $GOTOGEN;	2555	our $GOTOGEN;
2484		2556
…		…
2563	}	2635	}
2564		2636
2565	sub prepare_random_map {	2637	sub prepare_random_map {
2566	my ($exit) = @_;	2638	my ($exit) = @_;
2567		2639
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2642	# that depends on the exit object
2573		2643
2574	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2646	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2581	}	2653	}
2582		2654
2583	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2584		2656
2585	my $data = cf::to_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2588		2660
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2663	undef $fh;
2592	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2593		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2596	}	2672	}
2597	}	2673	}
2598		2674
2599	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2601		2677
2602	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2603		2679
2604	if ($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;	2680	$self->enter_link;
2616		2681
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 {	2682	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2683	$Coro::current->{desc} = "enter_exit";
2623		2684
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2626	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2627		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2628	1;	2706	1
2629	}) {	2707	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2634		2712
2635	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	2741	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	2742	the message unless the client supports the msg packet.
2665		2743
2666	=cut	2744	=cut
2667		2745
		2746	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	2747	our %CHANNEL = (
2669	"c/identify" => {	2748	"c/identify" => {
2670	id => "infobox",	2749	id => "infobox",
2671	title => "Identify",	2750	title => "Identify",
2672	reply => undef,	2751	reply => undef,
…		…
2676	id => "infobox",	2755	id => "infobox",
2677	title => "Examine",	2756	title => "Examine",
2678	reply => undef,	2757	reply => undef,
2679	tooltip => "Signs and other items you examined",	2758	tooltip => "Signs and other items you examined",
2680	},	2759	},
		2760	"c/book" => {
		2761	id => "infobox",
		2762	title => "Book",
		2763	reply => undef,
		2764	tooltip => "The contents of a note or book",
		2765	},
2681	"c/lookat" => {	2766	"c/lookat" => {
2682	id => "infobox",	2767	id => "infobox",
2683	title => "Look",	2768	title => "Look",
2684	reply => undef,	2769	reply => undef,
2685	tooltip => "What you saw there",	2770	tooltip => "What you saw there",
2686	},	2771	},
		2772	"c/who" => {
		2773	id => "infobox",
		2774	title => "Players",
		2775	reply => undef,
		2776	tooltip => "Shows players who are currently online",
		2777	},
		2778	"c/body" => {
		2779	id => "infobox",
		2780	title => "Body Parts",
		2781	reply => undef,
		2782	tooltip => "Shows which body parts you posess and are available",
		2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
2687	);	2846	);
2688		2847
2689	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2691		2850
2692	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2693		2853
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		2855
2696	# check predefined channels, for the benefit of C	2856	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	2857	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	2858	$channel = $CHANNEL{$channel};
2699		2859
2700	$self->ext_msg (channel_info => $channel)	2860	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	2861	$channel = $channel->{id};
2704		2862
2705	} elsif (ref $channel) {	2863	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	2868	}
2712		2869
2713	$channel = $channel->{id};	2870	$channel = $channel->{id};
2714	}	2871	}
2715		2872
2716	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2717		2874
2718	if ($self->can_msg) {
2719	# default colour, mask it out	2875	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	2877	if $color & cf::NDI_DEF;
2722		2878
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	2882	);
2726	if ($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		2883
2737	$color &= cf::NDI_COLOR_MASK;	2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
2738		2887
2739	utf8::encode $msg;	2888	# split very large packets
2740		2889	if (8192 < length $pkt and $self->{can_lzf}) {
2741	if (0 && $msg =~ /\[/) {	2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2742	# COMMAND/INFO	2891	$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	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2750	}	2895	}
2751		2896
2752	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2753		2898
2754	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
2928		3073
2929	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2930		3075
2931	cf::object	3076	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3077	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
		3079	value
2934		3080
2935	cf::object::player	3081	cf::object::player
2936	player	3082	player
2937		3083
2938	cf::player	3084	cf::player
…		…
2943		3089
2944	=cut	3090	=cut
2945		3091
2946	for (	3092	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3094	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3095	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
2953	) {	3099	) {
2954	no strict 'refs';	3100	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2973	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
2974		3120
2975	my $qcode = $code;	3121	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
2978		3126
2979	local $_;	3127	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
2981		3129
2982	my $eval =	3130	my $eval =
…		…
3059	{	3207	{
3060	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
3061		3209
3062	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
3064	cf::face::set_visibility $idx, $info->{visibility};	3213	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3214	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3068		3217
3069	cf::cede_to_tick;	3218	cf::cede_to_tick;
3070	}	3219	}
3071		3220
3072	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
3074	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
3075	or next;	3225	or next;
		3226
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3228	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3230	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
…		…
3098	{	3249	{
3099	# TODO: for gcfclient pleasure, we should give resources	3250	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.	3251	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3252	my $res = $facedata->{resource};
3102		3253
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;	3257	my $data;
3108		3258
3109	if ($info->{type} & 1) {	3259	if ($info->{type} & 1) {
3110	# prepend meta info	3260	# prepend meta info
3111		3261
3112	my $meta = $enc->encode ({	3262	my $meta = $enc->encode ({
3113	name => $name,	3263	name => $name,
3114	%{ $info->{meta} || {} },	3264	%{ $info->{meta} || {} },
3115	});	3265	});
3116		3266
3117	$data = pack "(w/a*)*", $meta, $info->{data};	3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
3118	} else {	3274	} else {
3119	$data = $info->{data};	3275	$RESOURCE{$name} = $info;
3120	}	3276	}
3121		3277
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3278	cf::cede_to_tick;
3126	}	3279	}
3127
3128	if ($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	}	3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3283
3147	1	3284	1
3148	}	3285	}
		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
3149		3306
3150	register_exticmd fx_want => sub {	3307	register_exticmd fx_want => sub {
3151	my ($ns, $want) = @_;	3308	my ($ns, $want) = @_;
3152		3309
3153	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
3155	}	3312	}
3156	};	3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
3157		3324
3158	sub reload_regions {	3325	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3326	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3327	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3342	}
3176		3343
3177	sub reload_archetypes {	3344	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3347	}
3186		3348
3187	sub reload_treasures {	3349	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3190	}	3352	}
3191		3353
3192	sub reload_resources {	3354	sub reload_resources {
3193	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3194		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3195	reload_regions;	3359	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3360	reload_treasures;
3200		3361
3201	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3363	}
3207		3364
3208	sub reload_config {	3365	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3210	or return;	3367	or return;
3211		3368
3212	local $/;	3369	local $/;
3213	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
3214		3371
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3216		3373
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3224	};	3381	};
3225	warn $@ if $@;	3382	warn $@ if $@;
3226	}	3383	}
3227	}	3384	}
3228		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3229	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
3230	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3423	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3425	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
3237	};	3427	};
3238		3428
		3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
3239	reload_config;	3433	reload_config;
3240	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
3241	load_extensions;	3447	load_extensions;
3242		3448
3243	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
		3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
3244	Event::loop;	3457	EV::loop;
3245	}	3458	}
3246		3459
3247	#############################################################################	3460	#############################################################################
3248	# initialisation and cleanup	3461	# initialisation and cleanup
3249		3462
3250	# install some emergency cleanup handlers	3463	# install some emergency cleanup handlers
3251	BEGIN {	3464	BEGIN {
		3465	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3466	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3467	$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";	3468	cf::cleanup "SIG$signal";
3260	},
3261	);	3469	};
3262	}	3470	}
3263	}	3471	}
3264		3472
3265	sub write_runtime {	3473	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";
3267
3268	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3270		3476
3271	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3478
3273	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3274		3480
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3276	or return;	3482	or return;
3277		3483
3278	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3291		3497
3292	close $fh	3498	close $fh
3293	or return;	3499	or return;
3294		3500
3295	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3502	and return;
3297		3503
3298	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3299		3505
3300	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3301	}	3557	}
3302		3558
3303	sub emergency_save() {	3559	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3305		3561
3306	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3307		3563
3308	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3309	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3576	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3578	$pl->save;
3318	}	3579	}
3319	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3320		3581
3321	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3585	$map->valid or next;
3325	$map->save;	3586	$map->save;
3326	}	3587	}
3327	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3328		3589
3329	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3332	};	3597	};
3333		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3334	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3335	}	3605	}
3336		3606
3337	sub post_cleanup {	3607	sub post_cleanup {
3338	my ($make_core) = @_;	3608	my ($make_core) = @_;
3339		3609
3340	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3342	}	3641	}
3343		3642
3344	sub do_reload_perl() {	3643	sub do_reload_perl() {
3345	# can/must only be called in main	3644	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3347	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3348	return;	3647	return;
3349	}	3648	}
3350		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3351	warn "reloading...";	3655	warn "reloading...";
3352		3656
3353	warn "entering sync_job";	3657	warn "entering sync_job";
3354		3658
3355	cf::sync_job {	3659	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3357	cf::emergency_save;	3661	cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3359		3663
3360	warn "syncing database to disk";	3664	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3362		3666
3363	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3364		3668
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3376	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3377	}
3378
3379	++$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	}	3672	}
3402		3673
3403	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3404	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3405	}	3676	%EXT_CORO = ();
3406		3677
3407	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3408	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3411	warn "... unloading $k";	3687	warn "... unloading $pkg";
3412	delete $INC{$k};
3413		3688
3414	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;
3416
3417	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3418	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3419	}	3698	}
3420		3699
3421	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3422	}	3715	}
3423		3716
3424	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		3720
3428	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		3724
3432	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3433	# and global variables created in xs	3726	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3435		3728
3436	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3437		3730
3438	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3439	require cf;	3732	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3441		3734
3442	warn "loading config and database again";	3735	warn "loading config and database again";
3443	cf::reload_config;	3736	cf::reload_config;
3444		3737
3445	warn "loading extensions";	3738	warn "loading extensions";
3446	cf::load_extensions;	3739	cf::load_extensions;
3447		3740
		3741	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3451	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3454		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3455	warn "leaving sync_job";	3753	warn "leaving sync_job";
3456		3754
3457	1	3755	1
3458	} or do {	3756	} or do {
3459	warn $@;	3757	warn $@;
3460	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3461	exit 1;
3462	};	3759	};
3463		3760
3464	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3465	};	3767	};
3466		3768
3467	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3468		3770
3469	sub reload_perl() {	3771	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3472		3774
3473	$RELOAD_WATCHER ||= Event->timer (	3775	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	3776	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	3777
3476	data => WF_AUTOCANCEL,	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	3779	do_reload_perl;
3479	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3480	},	3781	};
3481	);	3782	};
3482	}	3783	}
3483		3784
3484	register_command "reload" => sub {	3785	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
3486		3787
…		…
3499		3800
3500	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3502		3803
3503	sub wait_for_tick {	3804	sub wait_for_tick {
3504	return unless $TICK_WATCHER->is_active;
3505	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3506		3806
3507	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3508	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;	3809	$signal->wait;
3510	}	3810	}
3511		3811
3512	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3513	return unless $TICK_WATCHER->is_active;
3514	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3515		3814
3516	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	3817	$signal->wait;
3519	}	3818	}
3520		3819
3521	$TICK_WATCHER = Event->timer (	3820	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 != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3531	return;	3824	return;
3532	}	3825	}
3533		3826
3534	$NOW = $tick_start = Event::time;
3535
3536	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3537		3828
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	3831	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	3832	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	3833	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
3547	};
3548	}	3835	};
		3836	}
3549		3837
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	3839	$sig->send;
3552	}	3840	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3554	$sig->send;	3842	$sig->send;
3555	}	3843	}
3556		3844
3557	$NOW = Event::time;	3845	$LOAD = ($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;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		3847
3568	_post_tick;	3848	if (0) {
		3849	if ($NEXT_TICK) {
		3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
3569	},	3854	}
3570	);	3855	}
3571		3856
3572	{	3857	{
		3858	# configure BDB
		3859
3573	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3574	BDB::max_poll_time $TICK * 0.1;	3861	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	3862	$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	$! = $status;
3595	},
3596	)
3597	};
3598		3863
3599	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		3871
3606	cf::sync_job {	3872	cf::sync_job {
3607	eval {	3873	eval {
…		…
3617		3883
3618	cf::cleanup "db_env_open(db): $@" if $@;	3884	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	3885	};
3620	}	3886	}
3621		3887
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	3888	$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 { };	3889	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	3890	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	3891	$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 { };	3892	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	3893	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	3894	$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 { };	3895	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	3896	};
3652	}	3897	}
3653		3898
3654	{	3899	{
		3900	# configure IO::AIO
		3901
3655	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	3904	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	}	3905	}
3668		3906
3669	my $_log_backtrace;	3907	my $_log_backtrace;
3670		3908
3671	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3674	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3675		3913
3676	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3678	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3679	async {	3918	async {
3680	$Coro::current->{desc} = "abt $msg";	3919	$Coro::current->{desc} = "abt $msg";
3681		3920
3682	my @bt = fork_call {	3921	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	3933	}
3695		3934
3696	@funcs	3935	@funcs
3697	};	3936	};
3698		3937
3699	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	3941	--$_log_backtrace;
3702	};	3942	};
3703	} else {	3943	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3706	}	3946	}
3707	}	3947	}
3708		3948
3709	# load additional modules	3949	# load additional modules
3710	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3711		3951
3712	END { cf::emergency_save }	3952	END { cf::emergency_save }
3713		3953
3714	1	3954	1
3715		3955

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