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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	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 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		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;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML::Syck ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	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";
42	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
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
74	our %RESOURCE;	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 $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	115	our $DB_ENV;
88		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
89	our %CFG;	119	our %CFG;
90		120
91	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	122	our $RUNTIME;
93	our $NOW;	123	our $NOW;
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
115		150
116	mkdir $_	151	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	228	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		229
195	LOG llevError, $msg;	230	LOG llevError, $msg;
196	};	231	};
197	}	232	}
		233
		234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
		243	warn Carp::longmess $_[0];
		244	Coro::terminate
		245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
198		248
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	259	for my $pkg (qw(
210	cf::global cf::attachable	260	cf::global cf::attachable
211	cf::object cf::object::player	261	cf::object cf::object::player
212	cf::client cf::player	262	cf::client cf::player
213	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
214	cf::map cf::party cf::region	265	cf::party cf::region
215	)) {	266	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	268	}
219		269
220	$EV::DIED = sub {	270	$EV::DIED = sub {
221	warn "error in event callback: @_";	271	warn "error in event callback: @_";
…		…
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		314
265	sub encode_json($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
267		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
268	=item cf::lock_wait $string	332	=item cf::lock_wait $string
269		333
270	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
271		335
272	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
273		337
274	Wait until the given lock is available and then acquires it and returns	338	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	339	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	340	for example when the coroutine gets canceled), the lock is automatically
277	returned.	341	returned.
278		342
279	Locks are *not* recursive, locking from the same coro twice results in a	343	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	344	deadlocked coro.
…		…
286		350
287	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
288		352
289	=cut	353	=cut
290		354
291	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		356
294	sub lock_wait($) {	357	sub lock_wait($) {
295	my ($key) = @_;	358	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	359	}
308		360
309	sub lock_acquire($) {	361	sub lock_acquire($) {
310	my ($key) = @_;	362	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	363	}
324		364
325	sub lock_active($) {	365	sub lock_active($) {
326	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	367	}
330		368
331	sub freeze_mainloop {	369	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
333		371
334	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	373	}
340		374
341	=item cf::periodic $interval, $cb	375	=item cf::periodic $interval, $cb
342		376
343	Like EV::periodic, but randomly selects a starting point so that the actions	377	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
398	}	432	}
399	}	433	}
400	};	434	};
401		435
402	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
403	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
404		440
405	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
406	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
407		443
…		…
444	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
446		482
447	LOG llevError, Carp::longmess "sync job";#d#	483	LOG llevError, Carp::longmess "sync job";#d#
448		484
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
452		486
453	my $busy = 1;	487	my $busy = 1;
454	my @res;	488	my @res;
455		489
…		…
466	} else {	500	} else {
467	EV::loop EV::LOOP_ONESHOT;	501	EV::loop EV::LOOP_ONESHOT;
468	}	502	}
469	}	503	}
470		504
471	$time = EV::time - $time;	505	my $time = EV::time - $time;
472		506
473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476	$tick_start += $time; # do not account sync jobs to server load	507	$TICK_START += $time; # do not account sync jobs to server load
477		508
478	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
479	} else {	510	} else {
480	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
481		512
…		…
523	reset_signals;	554	reset_signals;
524	&$cb	555	&$cb
525	}, @args;	556	}, @args;
526		557
527	wantarray ? @res : $res[-1]	558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
528	}	586	}
529		587
530	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
531		589
532	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
671		729
672	#############################################################################	730	#############################################################################
673		731
674	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
675		733
676	Many objects in crossfire are so-called attachable objects. That means you can	734	Many objects in deliantra are so-called attachable objects. That means you can
677	attach callbacks/event handlers (a collection of which is called an "attachment")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
678	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
679		737
680	In the following description, CLASS can be any of C<global>, C<object>	738	In the following description, CLASS can be any of C<global>, C<object>
681	C<player>, C<client> or C<map> (i.e. the attachable objects in	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
731	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
732		790
733	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
735		793
736	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
737	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
738		796
739	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
740		798
741	=over 4	799	=over 4
…		…
1032		1090
1033	sub reattach {	1091	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1093	my ($obj) = @_;
1036		1094
		1095	# no longer needed after getting rid of delete_package?
1037	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038		1097
1039	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
1040		1099
1041	@$registry = ();	1100	@$registry = ();
1042		1101
…		…
1088	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1091		1150
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1096	close $fh;	1155	aio_close $fh;
1097		1156
1098	if (@$objs) {	1157	if (@$objs) {
1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1103	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1104	close $fh;	1163	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1165	}
1107	} else {	1166	} else {
1108	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1109	}	1168	}
1110		1169
1111	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1174	} else {
1113	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1114	}	1176	}
1115	} else {	1177	} else {
1116	aio_unlink $filename;	1178	aio_unlink $filename;
1117	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1118	}	1180	}
…		…
1209	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1210		1272
1211	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1212	}	1274	}
1213		1275
		1276	use File::Glob ();
		1277
1214	cf::player->attach (	1278	cf::player->attach (
1215	on_command => sub {	1279	on_command => sub {
1216	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1217		1281
1218	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1250		1314
1251	cf::override;	1315	cf::override;
1252	},	1316	},
1253	);	1317	);
1254		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
		1331
1255	sub load_extensions {	1332	sub load_extensions {
1256	cf::sync_job {	1333	cf::sync_job {
1257	my %todo;	1334	my %todo;
1258		1335
1259	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1278		1355
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1358
1282	$ext{source} =	1359	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1285	. $source	1362	. $source
1286	. "\n};\n1";	1363	. "\n};\n1";
1287		1364
1288	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1304	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1305	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1306		1383
1307	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1308	warn $msg;	1385	warn $msg;
1309	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1310	exit 1;
1311	}	1387	}
1312		1388
1313	warn $msg;	1389	warn $msg;
1314	}	1390	}
1315		1391
…		…
1329		1405
1330	=back	1406	=back
1331		1407
1332	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1333		1409
1334	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1335		1411
1336	=cut	1412	=cut
1337		1413
1338	package cf::player;	1414	package cf::player;
1339		1415
…		…
1382		1458
1383	sub exists($) {	1459	sub exists($) {
1384	my ($login) = @_;	1460	my ($login) = @_;
1385		1461
1386	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1388	}	1464	}
1389		1465
1390	sub find($) {	1466	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1468	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1481	or return;
1406		1482
1407	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1408	or return;	1484	or return;
		1485
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1412	}	1489	}
1413	}	1490	}
…		…
1423		1500
1424	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1425		1502
1426	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1428		1507
1429	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1509	cf::cede_to_tick;
1431	}	1510	}
1432		1511
…		…
1464	my ($pl) = @_;	1543	my ($pl) = @_;
1465		1544
1466	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1467		1546
1468	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1469	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1470		1549
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1474	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1475		1556
1476	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1516		1597
1517	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1518	my $path = path $login;	1599	my $path = path $login;
1519		1600
1520	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1607	}
1526		1608
…		…
1557	}	1639	}
1558		1640
1559	\@paths	1641	\@paths
1560	}	1642	}
1561		1643
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1645
1564	Expand crossfire pod fragments into protocol xml.	1646	Expand deliantra pod fragments into protocol xml.
1565
1566	=cut
1567
1568	use re 'eval';
1569
1570	my $group;
1571	my $interior; $interior = qr{
1572	# match a pod interior sequence sans C<< >>
1573	(?:
1574	\ (.*?)\ (?{ $group = $^N })
1575	| < (??{$interior}) >
1576	)
1577	}x;
1578
1579	sub expand_cfpod {
1580	my ($self, $pod) = @_;
1581
1582	my $xml;
1583
1584	while () {
1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586	$group = $1;
1587
1588	$group =~ s/&/&amp;/g;
1589	$group =~ s/</&lt;/g;
1590
1591	$xml .= $group;
1592	} elsif ($pod =~ m%\G
1593	([BCGHITU])
1594	<
1595	(?:
1596	([^<>]*) (?{ $group = $^N })
1597	| < $interior >
1598	)
1599	>
1600	%gcsx
1601	) {
1602	my ($code, $data) = ($1, $group);
1603
1604	if ($code eq "B") {
1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606	} elsif ($code eq "I") {
1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608	} elsif ($code eq "U") {
1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610	} elsif ($code eq "C") {
1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612	} elsif ($code eq "T") {
1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614	} elsif ($code eq "G") {
1615	my ($male, $female) = split /\|/, $data;
1616	$data = $self->gender ? $female : $male;
1617	$xml .= expand_cfpod ($self, $data);
1618	} elsif ($code eq "H") {
1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621	"")
1622	[$self->{hintmode}];
1623	} else {
1624	$xml .= "error processing '$code($data)' directive";
1625	}
1626	} else {
1627	if ($pod =~ /\G(.+)/) {
1628	warn "parse error while expanding $pod (at $1)";
1629	}
1630	last;
1631	}
1632	}
1633
1634	for ($xml) {
1635	# create single paragraphs (very hackish)
1636	s/(?<=\S)\n(?=\w)/ /g;
1637
1638	# compress some whitespace
1639	s/\s+\n/\n/g; # ws line-ends
1640	s/\n\n+/\n/g; # double lines
1641	s/^\n+//; # beginning lines
1642	s/\n+$//; # ending lines
1643	}
1644
1645	$xml
1646	}
1647
1648	no re 'eval';
1649
1650	sub hintmode {
1651	$_[0]{hintmode} = $_[1] if @_ > 1;
1652	$_[0]{hintmode}
1653	}
1654		1647
1655	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1656		1649
1657	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1658		1651
…		…
1725	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1727		1720
1728	sub generate_random_map {	1721	sub generate_random_map {
1729	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1730	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1731	$self->_create_random_map (	1727	$self->_create_random_map (
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1856		1852
1857	# the temporary/swap location	1853	# the temporary/swap location
1858	sub save_path {	1854	sub save_path {
1859	my ($self) = @_;	1855	my ($self) = @_;
1860		1856
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1863	}	1859	}
1864		1860
1865	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1866	sub uniq_path {	1862	sub uniq_path {
1867	my ($self) = @_;	1863	my ($self) = @_;
1868		1864
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$path"
1871	}
1872
1873	# and all this just because we cannot iterate over
1874	# all maps in C++...
1875	sub change_all_map_light {
1876	my ($change) = @_;
1877
1878	$_->change_map_light ($change)
1879	for grep $_->outdoor, values %cf::MAP;
1880	}	1867	}
1881		1868
1882	sub decay_objects {	1869	sub decay_objects {
1883	my ($self) = @_;	1870	my ($self) = @_;
1884		1871
…		…
1968	sub find {	1955	sub find {
1969	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1970		1957
1971	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1972		1959
1973	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1975		1962
1976	$cf::MAP{$path} || do {	1963	$cf::MAP{$path} || do {
1977	my $guard1 = cf::lock_acquire "map_find:$path";
1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1980	my $map = new_from_path cf::map $path	1964	my $map = new_from_path cf::map $path
1981	or return;	1965	or return;
1982		1966
1983	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1984		1968
…		…
1986	or return;	1970	or return;
1987		1971
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1991	undef $guard1;	1976	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	1977	$map->reset;
1994	return find $path;	1978	return find $path;
1995	}	1979	}
1996		1980
1997	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2009	$f->skip_block;
2026	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
2027	or return;	2011	or return;
2028		2012
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
2030	if delete $self->{load_original};	2014	if delete $self->{load_original};
2031		2015
2032	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2017	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
2052	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
2053	$self->decay_objects;	2037	$self->decay_objects;
2054	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
2055	$self->update_buttons;	2039	$self->update_buttons;
2056	cf::cede_to_tick;	2040	cf::cede_to_tick;
2057	$self->set_darkness_map;
2058	cf::cede_to_tick;
2059	$self->activate;	2041	$self->activate;
2060	}	2042	}
2061		2043
2062	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
2064		2046
2065	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
2066	}	2048	}
2067		2049
2068	$self->post_load;	2050	$self->post_load;
2069	}	2051	}
2070		2052
…		…
2128	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2129		2111
2130	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2131		2113
2132	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134	}	2116	}
2135		2117
2136	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2137		2119
2138	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
…		…
2175	cf::async {	2157	cf::async {
2176	$Coro::current->{desc} = "map player save";	2158	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2178	};	2160	};
2179		2161
		2162	cf::get_slot 0.02;
		2163
2180	if ($uniq) {	2164	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2167	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2192	$self->save;	2176	$self->save;
2193		2177
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2179
2196	return if $self->players;	2180	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2198	return if $self->{deny_save};	2182	return if $self->{deny_save};
2199		2183
2200	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2201		2185
2202	$self->deactivate;	2186	$self->deactivate;
…		…
2320		2304
2321	sub unique_maps() {	2305	sub unique_maps() {
2322	[	2306	[
2323	map {	2307	map {
2324	utf8::decode $_;	2308	utf8::decode $_;
2325	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2326	? normalise $_	2312	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2314	]
2330	}	2315	}
2331		2316
2332	package cf;
2333
2334	=back	2317	=back
2335		2318
2336	=head3 cf::object	2319	=head3 cf::object
2337		2320
2338	=cut	2321	=cut
…		…
2341		2324
2342	=over 4	2325	=over 4
2343		2326
2344	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2345		2328
2346	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2347		2331
2348	=cut	2332	=cut
2349		2333
2350	sub inv_recursive_;	2334	sub inv_recursive_;
2351	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2357	}	2341	}
2358		2342
2359	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2360		2344
2361	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2362		2346
2363	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2364		2348
2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2398	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2399	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2400		2384
2401	=cut	2385	=cut
2402		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2403	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2402	# with dialog boxes.
2405	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2406	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2418
2421	} else {	2419	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2422	}
2425	}	2423	}
2426	}	2424	}
2427		2425
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2451
2454	=item $player_object->enter_link	2452	=item $player_object->enter_link
2455		2453
2456	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2457		2455
2458	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
2459	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2460		2460
2461	Will never block.	2461	Will never block.
2462		2462
2463	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2464		2464
…		…
2522		2522
2523	$map->load;	2523	$map->load;
2524	$map->load_neighbours;	2524	$map->load_neighbours;
2525		2525
2526	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527	$self->activate_recursive;	2528	$self->activate_recursive;
2528		2529
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2531	}	2532	}
…		…
2535	Moves the player to the given map-path and coordinates by first freezing	2536	Moves the player to the given map-path and coordinates by first freezing
2536	her, loading and preparing them map, calling the provided $check callback	2537	her, loading and preparing them map, calling the provided $check callback
2537	that has to return the map if sucecssful, and then unfreezes the player on	2538	that has to return the map if sucecssful, and then unfreezes the player on
2538	the new (success) or old (failed) map position. In either case, $done will	2539	the new (success) or old (failed) map position. In either case, $done will
2539	be called at the end of this process.	2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2540		2544
2541	=cut	2545	=cut
2542		2546
2543	our $GOTOGEN;	2547	our $GOTOGEN;
2544		2548
…		…
2623	}	2627	}
2624		2628
2625	sub prepare_random_map {	2629	sub prepare_random_map {
2626	my ($exit) = @_;	2630	my ($exit) = @_;
2627		2631
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2634	# that depends on the exit object
2633		2635
2634	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2638	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2641	}	2645	}
2642		2646
2643	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2644		2648
2645	my $data = cf::encode_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2648		2652
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2655	undef $fh;
2652	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2653		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2656	}	2664	}
2657	}	2665	}
2658		2666
2659	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2661		2669
2662	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2663		2671
2664	if ($exit->slaying eq "/!") {
2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
2666	# the problem is that $exit might not survive long enough
2667	# so it needs to be done right now, right here
2668	cf::sync_job { prepare_random_map $exit };
2669	}
2670
2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672	my $hp = $exit->stats->hp;
2673	my $sp = $exit->stats->sp;
2674
2675	$self->enter_link;	2672	$self->enter_link;
2676		2673
2677	# if exit is damned, update players death & WoR home-position
2678	$self->contr->savebed ($slaying, $hp, $sp)
2679	if $exit->flag (FLAG_DAMNED);
2680
2681	(async {	2674	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2683		2676
2684	$self->deactivate_recursive; # just to be sure
2685	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2686	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2687		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2688	1;	2698	1
2689	}) {	2699	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2692	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2694		2704
2695	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2761	id => "infobox",	2771	id => "infobox",
2762	title => "Body Parts",	2772	title => "Body Parts",
2763	reply => undef,	2773	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	2774	tooltip => "Shows which body parts you posess and are available",
2765	},	2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
2766	"c/uptime" => {	2800	"c/uptime" => {
2767	id => "infobox",	2801	id => "infobox",
2768	title => "Uptime",	2802	title => "Uptime",
2769	reply => undef,	2803	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	2804	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	2807	id => "infobox",
2774	title => "Map Info",	2808	title => "Map Info",
2775	reply => undef,	2809	reply => undef,
2776	tooltip => "Information related to the maps",	2810	tooltip => "Information related to the maps",
2777	},	2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
2778	);	2826	);
2779		2827
2780	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2782		2830
2783	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2784		2833
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		2835
2787	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2789	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2790		2839
2791	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2792	if $self->can_msg;
2793
2794	$channel = $channel->{id};	2841	$channel = $channel->{id};
2795		2842
2796	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2797	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2798	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2799	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2800	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2801	if $self->can_msg;
2802	}	2848	}
2803		2849
2804	$channel = $channel->{id};	2850	$channel = $channel->{id};
2805	}	2851	}
2806		2852
2807	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2808		2854
2809	if ($self->can_msg) {
2810	# default colour, mask it out	2855	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2813		2858
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816	} else {	2862	);
2817	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {
2820	1 while
2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2826	}
2827		2863
2828	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2829		2867
2830	utf8::encode $msg;	2868	# split very large packets
2831		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2832	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833	# COMMAND/INFO	2871	$pkt = "frag";
2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
2835	} else {
2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2837	$self->send_packet ("drawinfo $color $msg")
2838	}
2839	}
2840	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2841	}	2875	}
2842		2876
2843	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2844		2878
2845	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
3019		3053
3020	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
3021		3055
3022	cf::object	3056	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3057	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
3025		3060
3026	cf::object::player	3061	cf::object::player
3027	player	3062	player
3028		3063
3029	cf::player	3064	cf::player
…		…
3034		3069
3035	=cut	3070	=cut
3036		3071
3037	for (	3072	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
3041	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
3043	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
3044	) {	3079	) {
3045	no strict 'refs';	3080	no strict 'refs';
3046	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
3047	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3064	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
3065		3100
3066	my $qcode = $code;	3101	my $qcode = $code;
3067	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3068	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
3069		3106
3070	local $_;	3107	local $_;
3071	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
3072		3109
3073	my $eval =	3110	my $eval =
…		…
3253	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3254	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3255	}	3292	}
3256	};	3293	};
3257		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
3258	sub reload_regions {	3305	sub reload_regions {
3259	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3260	# for this (global event?)	3307	# for this (global event?)
3261	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
3262		3309
…		…
3275	}	3322	}
3276		3323
3277	sub reload_archetypes {	3324	sub reload_archetypes {
3278	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3279	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3280	#d# NEED to laod twice to resolve forward references
3281	# this really needs to be done in an extra post-pass
3282	# (which needs to be synchronous, so solve it differently)
3283	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";
3285	}	3327	}
3286		3328
3287	sub reload_treasures {	3329	sub reload_treasures {
3288	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3289	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3290	}	3332	}
3291		3333
3292	sub reload_resources {	3334	sub reload_resources {
3293	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3294		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3295	reload_regions;	3339	reload_regions;
3296	reload_facedata;
3297	#reload_archetypes;#d#
3298	reload_archetypes;
3299	reload_treasures;	3340	reload_treasures;
3300		3341
3301	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3302	}
3303
3304	sub init {
3305	reload_resources;
3306	}	3343	}
3307		3344
3308	sub reload_config {	3345	sub reload_config {
3309	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3310	or return;	3347	or return;
3311		3348
3312	local $/;	3349	local $/;
3313	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3314		3351
3315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316		3353
3317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3324	};	3361	};
3325	warn $@ if $@;	3362	warn $@ if $@;
3326	}	3363	}
3327	}	3364	}
3328		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3329	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3330	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3331	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3333	(async {	3403	(async {
3334	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3335	EV::loop EV::LOOP_ONESHOT;	3405	EV::loop EV::LOOP_ONESHOT;
3336	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3337	};	3407	};
3338		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3339	reload_config;	3413	reload_config;
3340	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3341	load_extensions;	3427	load_extensions;
3342		3428
3343	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3345	EV::loop;	3437	EV::loop;
3346	}	3438	}
3347		3439
3348	#############################################################################	3440	#############################################################################
3349	# initialisation and cleanup	3441	# initialisation and cleanup
…		…
3356	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3357	};	3449	};
3358	}	3450	}
3359	}	3451	}
3360		3452
3361	sub write_runtime {	3453	sub write_runtime_sync {
3362	my $runtime = "$LOCALDIR/runtime";
3363
3364	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3365	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3366		3456
3367	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368		3458
3369	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3370		3460
3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372	or return;	3462	or return;
3373		3463
3374	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3375	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3376	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3386	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3387		3477
3388	close $fh	3478	close $fh
3389	or return;	3479	or return;
3390		3480
3391	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392	and return;	3482	and return;
3393		3483
3394	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3395		3485
3396	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3397	}	3537	}
3398		3538
3399	sub emergency_save() {	3539	sub emergency_save() {
3400	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3401		3541
3402	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3403		3543
3404	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3405	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3406	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3407	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3408	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3409	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3410	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3411	$pl->valid or next;	3556	$pl->valid or next;
3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413	$pl->save;	3558	$pl->save;
3414	}	3559	}
3415	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3416		3561
3417	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3418	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3419	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3420	$map->valid or next;	3565	$map->valid or next;
3421	$map->save;	3566	$map->save;
3422	}	3567	}
3423	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3424		3569
3425	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3426	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3427	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3428	};	3577	};
3429		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3430	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3431	}	3585	}
3432		3586
3433	sub post_cleanup {	3587	sub post_cleanup {
3434	my ($make_core) = @_;	3588	my ($make_core) = @_;
3435		3589
3436	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3437	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3438	}	3621	}
3439		3622
3440	sub do_reload_perl() {	3623	sub do_reload_perl() {
3441	# can/must only be called in main	3624	# can/must only be called in main
3442	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3443	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3444	return;	3627	return;
3445	}	3628	}
3446		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3447	warn "reloading...";	3635	warn "reloading...";
3448		3636
3449	warn "entering sync_job";	3637	warn "entering sync_job";
3450		3638
3451	cf::sync_job {	3639	cf::sync_job {
3452	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3453	cf::emergency_save;	3641	cf::emergency_save;
3454	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3455		3643
3456	warn "syncing database to disk";	3644	warn "syncing database to disk";
3457	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3458		3646
3459	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3460		3648
3461	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3462	for (;;) {
3463	BDB::flush;
3464	IO::AIO::flush;
3465	Coro::cede_notself;
3466	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3467	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468	}
3469
3470	++$RELOAD;
3471
3472	warn "cancelling all extension coros";
3473	$_->cancel for values %EXT_CORO;
3474	%EXT_CORO = ();
3475
3476	warn "removing commands";
3477	%COMMAND = ();
3478
3479	warn "removing ext/exti commands";
3480	%EXTCMD = ();
3481	%EXTICMD = ();
3482
3483	warn "unloading/nuking all extensions";
3484	for my $pkg (@EXTS) {
3485	warn "... unloading $pkg";
3486
3487	if (my $cb = $pkg->can ("unload")) {
3488	eval {
3489	$cb->($pkg);
3490	1
3491	} or warn "$pkg unloaded, but with errors: $@";
3492	}	3652	}
3493		3653
3494	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3495	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3496	}	3656	%EXT_CORO = ();
3497		3657
3498	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3499	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3502	warn "... unloading $k";	3667	warn "... unloading $pkg";
3503	delete $INC{$k};
3504		3668
3505	$k =~ s/\.pm$//;
3506	$k =~ s/\//::/g;
3507
3508	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3509	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3510	}	3678	}
3511		3679
3512	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3513	}	3695	}
3514		3696
3515	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3516	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3518		3700
3519	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3520	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3521	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3522		3704
3523	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3524	# and global variables created in xs	3706	# and global variables created in xs
3525	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3526		3708
3527	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3528		3710
3529	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3530	require cf;	3712	require cf;
3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532		3714
3533	warn "loading config and database again";	3715	warn "loading config and database again";
3534	cf::reload_config;	3716	cf::reload_config;
3535		3717
3536	warn "loading extensions";	3718	warn "loading extensions";
3537	cf::load_extensions;	3719	cf::load_extensions;
3538		3720
		3721	if ($REATTACH_ON_RELOAD) {
3539	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3540	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3541	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3542	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3543	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3544	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3545		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3546	warn "leaving sync_job";	3733	warn "leaving sync_job";
3547		3734
3548	1	3735	1
3549	} or do {	3736	} or do {
3550	warn $@;	3737	warn $@;
3551	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3552	exit 1;
3553	};	3739	};
3554		3740
3555	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3556	};	3747	};
3557		3748
3558	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3559		3750
3560	sub reload_perl() {	3751	sub reload_perl() {
3561	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3562	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3563		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
3565	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3566	do_reload_perl;	3761	};
3567	};	3762	};
3568	}	3763	}
3569		3764
3570	register_command "reload" => sub {	3765	register_command "reload" => sub {
3571	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
…		…
3585		3780
3586	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3587	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3588		3783
3589	sub wait_for_tick {	3784	sub wait_for_tick {
3590	return unless $TICK_WATCHER->is_active;
3591	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3592		3786
3593	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3594	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3595	$signal->wait;	3789	$signal->wait;
3596	}	3790	}
3597		3791
3598	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3599	return unless $TICK_WATCHER->is_active;
3600	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3601		3794
3602	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3603	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3604	$signal->wait;	3797	$signal->wait;
3605	}	3798	}
3606		3799
3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3800	sub tick {
3608	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3611	return;	3804	return;
3612	}	3805	}
3613		3806
3614	$NOW = $tick_start = EV::now;
3615
3616	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3617
3618	$RUNTIME += $TICK;
3619	$NEXT_TICK = $_[0]->at;
3620		3808
3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3623	Coro::async_pool {	3811	Coro::async_pool {
3624	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3625	write_runtime	3813	write_runtime_sync
3626	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3627	};	3815	};
3628	}	3816	}
3629		3817
3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3632	}	3820	}
3633	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3634	$sig->send;	3822	$sig->send;
3635	}	3823	}
3636		3824
3637	$LOAD = ($NOW - $tick_start) / $TICK;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639		3827
3640	_post_tick;	3828	if (0) {
3641	};	3829	if ($NEXT_TICK) {
3642	$TICK_WATCHER->priority (EV::MAXPRI);	3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
3643		3836
3644	{	3837	{
3645	# configure BDB	3838	# configure BDB
3646		3839
3647	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3648	BDB::max_poll_reqs $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3649	$Coro::BDB::WATCHER->priority (1);	3842	$AnyEvent::BDB::WATCHER->priority (1);
3650		3843
3651	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3652	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654	| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657		3851
3658	cf::sync_job {	3852	cf::sync_job {
3659	eval {	3853	eval {
…		…
3685	{	3879	{
3686	# configure IO::AIO	3880	# configure IO::AIO
3687		3881
3688	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3689	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3690	$Coro::AIO::WATCHER->priority (1);	3884	undef $AnyEvent::AIO::WATCHER;
3691	}	3885	}
3692		3886
3693	my $_log_backtrace;	3887	my $_log_backtrace;
3694		3888
3695	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3698	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3699		3893
3700	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3701	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3702	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3703	async {	3898	async {
3704	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3705		3900
3706	my @bt = fork_call {	3901	my @bt = fork_call {
3707	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3718	}	3913	}
3719		3914
3720	@funcs	3915	@funcs
3721	};	3916	};
3722		3917
3723	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3725	--$_log_backtrace;	3921	--$_log_backtrace;
3726	};	3922	};
3727	} else {	3923	} else {
3728	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3729	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3730	}	3926	}
3731	}	3927	}
3732		3928
3733	# load additional modules	3929	# load additional modules
3734	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3735		3931
3736	END { cf::emergency_save }	3932	END { cf::emergency_save }
3737		3933
3738	1	3934	1
3739		3935

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