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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC vs.
Revision 1.462 by root, Tue Dec 23 06:58:23 2008 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 "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
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		129
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		138
106	binmode STDOUT;	139	binmode STDOUT;
107	binmode STDERR;	140	binmode STDERR;
108		141
109	# read virtual server time, if available	142	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
114	}	147	}
115		148
116	mkdir $_	149	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		227
195	LOG llevError, $msg;	228	LOG llevError, $msg;
196	};	229	};
197	}	230	}
		231
		232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
198		246
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	257	for my $pkg (qw(
210	cf::global cf::attachable	258	cf::global cf::attachable
211	cf::object cf::object::player	259	cf::object cf::object::player
212	cf::client cf::player	260	cf::client cf::player
213	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
214	cf::map cf::party cf::region	263	cf::party cf::region
215	)) {	264	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	266	}
219		267
220	$EV::DIED = sub {	268	$EV::DIED = sub {
221	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		312
265	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
267		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
268	=item cf::lock_wait $string	330	=item cf::lock_wait $string
269		331
270	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
271		333
272	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
273		335
274	Wait until the given lock is available and then acquires it and returns	336	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,	337	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	338	for example when the coroutine gets canceled), the lock is automatically
277	returned.	339	returned.
278		340
279	Locks are *not* recursive, locking from the same coro twice results in a	341	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	342	deadlocked coro.
…		…
286		348
287	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
288		350
289	=cut	351	=cut
290		352
291	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		354
294	sub lock_wait($) {	355	sub lock_wait($) {
295	my ($key) = @_;	356	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	357	}
308		358
309	sub lock_acquire($) {	359	sub lock_acquire($) {
310	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
324		362
325	sub lock_active($) {	363	sub lock_active($) {
326	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	365	}
330		366
331	sub freeze_mainloop {	367	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
333		369
334	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	371	}
340		372
341	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
342		374
343	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
398	}	430	}
399	}	431	}
400	};	432	};
401		433
402	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
403	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
404		438
405	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
406	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
407		441
…		…
444	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
446		480
447	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
448		482
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
452		484
453	my $busy = 1;	485	my $busy = 1;
454	my @res;	486	my @res;
455		487
…		…
466	} else {	498	} else {
467	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
468	}	500	}
469	}	501	}
470		502
471	$time = EV::time - $time;	503	my $time = EV::time - $time;
472		504
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	505	$TICK_START += $time; # do not account sync jobs to server load
477		506
478	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
479	} else {	508	} else {
480	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
481		510
…		…
523	reset_signals;	552	reset_signals;
524	&$cb	553	&$cb
525	}, @args;	554	}, @args;
526		555
527	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
528	}	584	}
529		585
530	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
531		587
532	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
671		727
672	#############################################################################	728	#############################################################################
673		729
674	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
675		731
676	Many objects in crossfire are so-called attachable objects. That means you can	732	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")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
678	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
679		735
680	In the following description, CLASS can be any of C<global>, C<object>	736	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	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
731	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
732		788
733	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
735		791
736	Some classes such as crossfire maps and objects can specify attachments	792	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.	793	that are attached at load/instantiate time, thus the need for a name.
738		794
739	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
740		796
741	=over 4	797	=over 4
…		…
969	}	1025	}
970		1026
971	0	1027	0
972	}	1028	}
973		1029
974	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
975		1031
976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1032	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
977		1033
978	Generate an object-specific event with the given arguments.	1034	Generate an object-specific event with the given arguments.
979		1035
…		…
1032		1088
1033	sub reattach {	1089	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1091	my ($obj) = @_;
1036		1092
		1093	# no longer needed after getting rid of delete_package?
1037	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038		1095
1039	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1040		1097
1041	@$registry = ();	1098	@$registry = ();
1042		1099
…		…
1088	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1091		1148
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1096	close $fh;	1153	aio_close $fh;
1097		1154
1098	if (@$objs) {	1155	if (@$objs) {
1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1103	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1104	close $fh;	1161	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1163	}
1107	} else {	1164	} else {
1108	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1109	}	1166	}
1110		1167
1111	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1172	} else {
1113	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1114	}	1174	}
1115	} else {	1175	} else {
1116	aio_unlink $filename;	1176	aio_unlink $filename;
1117	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1118	}	1178	}
…		…
1209	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1210		1270
1211	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1212	}	1272	}
1213		1273
		1274	use File::Glob ();
		1275
1214	cf::player->attach (	1276	cf::player->attach (
1215	on_command => sub {	1277	on_command => sub {
1216	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1217		1279
1218	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1250		1312
1251	cf::override;	1313	cf::override;
1252	},	1314	},
1253	);	1315	);
1254		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1255	sub load_extensions {	1330	sub load_extensions {
1256	cf::sync_job {	1331	cf::sync_job {
1257	my %todo;	1332	my %todo;
1258		1333
1259	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1278		1353
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1356
1282	$ext{source} =	1357	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1285	. $source	1360	. $source
1286	. "\n};\n1";	1361	. "\n};\n1";
1287		1362
1288	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1304	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1305	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1306		1381
1307	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1308	warn $msg;	1383	warn $msg;
1309	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1310	exit 1;
1311	}	1385	}
1312		1386
1313	warn $msg;	1387	warn $msg;
1314	}	1388	}
1315		1389
…		…
1329		1403
1330	=back	1404	=back
1331		1405
1332	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1333		1407
1334	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1335		1409
1336	=cut	1410	=cut
1337		1411
1338	package cf::player;	1412	package cf::player;
1339		1413
…		…
1382		1456
1383	sub exists($) {	1457	sub exists($) {
1384	my ($login) = @_;	1458	my ($login) = @_;
1385		1459
1386	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1388	}	1462	}
1389		1463
1390	sub find($) {	1464	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1466	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1479	or return;
1406		1480
1407	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1408	or return;	1482	or return;
		1483
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1412	}	1487	}
1413	}	1488	}
…		…
1423		1498
1424	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1425		1500
1426	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1428		1505
1429	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1507	cf::cede_to_tick;
1431	}	1508	}
1432		1509
…		…
1464	my ($pl) = @_;	1541	my ($pl) = @_;
1465		1542
1466	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1467		1544
1468	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1469	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1470		1547
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1474	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1475		1554
1476	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1516		1595
1517	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1518	my $path = path $login;	1597	my $path = path $login;
1519		1598
1520	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1605	}
1526		1606
…		…
1557	}	1637	}
1558		1638
1559	\@paths	1639	\@paths
1560	}	1640	}
1561		1641
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1643
1564	Expand crossfire pod fragments into protocol xml.	1644	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		1645
1655	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1656		1647
1657	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1658		1649
…		…
1725	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1727		1718
1728	sub generate_random_map {	1719	sub generate_random_map {
1729	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1730	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1731	$self->_create_random_map (	1725	$self->_create_random_map (
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1856		1850
1857	# the temporary/swap location	1851	# the temporary/swap location
1858	sub save_path {	1852	sub save_path {
1859	my ($self) = @_;	1853	my ($self) = @_;
1860		1854
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1863	}	1857	}
1864		1858
1865	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1866	sub uniq_path {	1860	sub uniq_path {
1867	my ($self) = @_;	1861	my ($self) = @_;
1868		1862
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1880	}	1865	}
1881		1866
1882	sub decay_objects {	1867	sub decay_objects {
1883	my ($self) = @_;	1868	my ($self) = @_;
1884		1869
…		…
1968	sub find {	1953	sub find {
1969	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1970		1955
1971	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1972		1957
1973	cf::lock_wait "map_data:$path";#d#remove	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1975		1960
1976	$cf::MAP{$path} || do {	1961	$cf::MAP{$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	1962	my $map = new_from_path cf::map $path
1981	or return;	1963	or return;
1982		1964
1983	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1984		1966
…		…
1986	or return;	1968	or return;
1987		1969
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1991	undef $guard1;	1974	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	1975	$map->reset;
1994	return find $path;	1976	return find $path;
1995	}	1977	}
1996		1978
1997	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2007	$f->skip_block;
2026	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
2027	or return;	2009	or return;
2028		2010
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
2030	if delete $self->{load_original};	2012	if delete $self->{load_original};
2031		2013
2032	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2015	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
2052	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
2053	$self->decay_objects;	2035	$self->decay_objects;
2054	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
2055	$self->update_buttons;	2037	$self->update_buttons;
2056	cf::cede_to_tick;	2038	cf::cede_to_tick;
2057	$self->set_darkness_map;
2058	cf::cede_to_tick;
2059	$self->activate;	2039	$self->activate;
2060	}	2040	}
2061		2041
2062	$self->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
2064		2044
2065	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
2066	}	2046	}
2067		2047
2068	$self->post_load;	2048	$self->post_load;
2069	}	2049	}
2070		2050
…		…
2128	my ($path, $origin, $load) = @_;	2108	my ($path, $origin, $load) = @_;
2129		2109
2130	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
2131		2111
2132	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134	}	2114	}
2135		2115
2136	$MAP_PREFETCH{$path} |= $load;	2116	$MAP_PREFETCH{$path} |= $load;
2137		2117
2138	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
…		…
2175	cf::async {	2155	cf::async {
2176	$Coro::current->{desc} = "map player save";	2156	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2178	};	2158	};
2179		2159
		2160	cf::get_slot 0.02;
		2161
2180	if ($uniq) {	2162	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2165	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2192	$self->save;	2174	$self->save;
2193		2175
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2177
2196	return if $self->players;	2178	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2198	return if $self->{deny_save};	2180	return if $self->{deny_save};
2199		2181
2200	$self->in_memory (cf::MAP_SWAPPED);	2182	$self->in_memory (cf::MAP_SWAPPED);
2201		2183
2202	$self->deactivate;	2184	$self->deactivate;
…		…
2320		2302
2321	sub unique_maps() {	2303	sub unique_maps() {
2322	[	2304	[
2323	map {	2305	map {
2324	utf8::decode $_;	2306	utf8::decode $_;
2325	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2326	? normalise $_	2310	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2312	]
2330	}	2313	}
2331		2314
2332	package cf;
2333
2334	=back	2315	=back
2335		2316
2336	=head3 cf::object	2317	=head3 cf::object
2337		2318
2338	=cut	2319	=cut
…		…
2341		2322
2342	=over 4	2323	=over 4
2343		2324
2344	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2345		2326
2346	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2347		2329
2348	=cut	2330	=cut
2349		2331
2350	sub inv_recursive_;	2332	sub inv_recursive_;
2351	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2357	}	2339	}
2358		2340
2359	=item $ref = $ob->ref	2341	=item $ref = $ob->ref
2360		2342
2361	creates and returns a persistent reference to an objetc that can be stored as a string.	2343	Creates and returns a persistent reference to an object that can be stored as a string.
2362		2344
2363	=item $ob = cf::object::deref ($refstring)	2345	=item $ob = cf::object::deref ($refstring)
2364		2346
2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366	even if the object actually exists. May block.	2348	even if the object actually exists. May block.
…		…
2398	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2399	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2400		2382
2401	=cut	2383	=cut
2402		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
		2398
2403	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2400	# with dialog boxes.
2405	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2406	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2403	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2416
2421	} else {	2417	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2420	}
2425	}	2421	}
2426	}	2422	}
2427		2423
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2449
2454	=item $player_object->enter_link	2450	=item $player_object->enter_link
2455		2451
2456	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2457		2453
2458	The player should be reasonably safe there for short amounts of time. You	2454	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.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2460		2458
2461	Will never block.	2459	Will never block.
2462		2460
2463	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2464		2462
…		…
2522		2520
2523	$map->load;	2521	$map->load;
2524	$map->load_neighbours;	2522	$map->load_neighbours;
2525		2523
2526	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527	$self->activate_recursive;	2526	$self->activate_recursive;
2528		2527
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2531	}	2530	}
…		…
2535	Moves the player to the given map-path and coordinates by first freezing	2534	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	2535	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	2536	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	2537	the new (success) or old (failed) map position. In either case, $done will
2539	be called at the end of this process.	2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2540		2542
2541	=cut	2543	=cut
2542		2544
2543	our $GOTOGEN;	2545	our $GOTOGEN;
2544		2546
…		…
2623	}	2625	}
2624		2626
2625	sub prepare_random_map {	2627	sub prepare_random_map {
2626	my ($exit) = @_;	2628	my ($exit) = @_;
2627		2629
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2632	# that depends on the exit object
2633		2633
2634	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2636	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2641	}	2643	}
2642		2644
2643	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2644		2646
2645	my $data = cf::encode_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2648		2650
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2653	undef $fh;
2652	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2653		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2656	}	2662	}
2657	}	2663	}
2658		2664
2659	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2661		2667
2662	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2663		2669
2664	if ($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;	2670	$self->enter_link;
2676		2671
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 {	2672	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2673	$Coro::current->{desc} = "enter_exit";
2683		2674
2684	$self->deactivate_recursive; # just to be sure
2685	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2686	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2687		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2688	1;	2696	1
2689	}) {	2697	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2692	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2694		2702
2695	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2761	id => "infobox",	2769	id => "infobox",
2762	title => "Body Parts",	2770	title => "Body Parts",
2763	reply => undef,	2771	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	2772	tooltip => "Shows which body parts you posess and are available",
2765	},	2773	},
		2774	"c/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
2766	"c/uptime" => {	2780	"c/uptime" => {
2767	id => "infobox",	2781	id => "infobox",
2768	title => "Uptime",	2782	title => "Uptime",
2769	reply => undef,	2783	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	2784	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	2787	id => "infobox",
2774	title => "Map Info",	2788	title => "Map Info",
2775	reply => undef,	2789	reply => undef,
2776	tooltip => "Information related to the maps",	2790	tooltip => "Information related to the maps",
2777	},	2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
2778	);	2800	);
2779		2801
2780	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2782		2804
2783	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2784		2807
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		2809
2787	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	2811	if ($CHANNEL{$channel}) {
…		…
2809	if ($self->can_msg) {	2832	if ($self->can_msg) {
2810	# default colour, mask it out	2833	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	2835	if $color & cf::NDI_DEF;
2813		2836
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
2816	} else {	2853	} else {
2817	if ($color >= 0) {	2854	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones	2855	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {	2856	for ($msg) {
2820	1 while	2857	1 while
…		…
3019		3056
3020	The following functions and methods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
3021		3058
3022	cf::object	3059	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3060	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3061	insert remove name archname title slaying race decrease split
3025		3062
3026	cf::object::player	3063	cf::object::player
3027	player	3064	player
3028		3065
3029	cf::player	3066	cf::player
…		…
3034		3071
3035	=cut	3072	=cut
3036		3073
3037	for (	3074	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3077	decrease split destroy change_exp)],
3041	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
3043	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
3044	) {	3081	) {
3045	no strict 'refs';	3082	no strict 'refs';
…		…
3218	$RESOURCE{$name} = $info;	3255	$RESOURCE{$name} = $info;
3219	}	3256	}
3220		3257
3221	cf::cede_to_tick;	3258	cf::cede_to_tick;
3222	}	3259	}
3223
3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
3225	$soundconf = $enc->decode (delete $soundconf->{data});
3226
3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3228	my $sound = $soundconf->{compat}[$_]
3229	or next;
3230
3231	my $face = cf::face::find "sound/$sound->[1]";
3232	cf::sound::set $sound->[0] => $face;
3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3234	}
3235
3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
3237	my $face = cf::face::find "sound/$v";
3238	cf::sound::set $k => $face;
3239	}
3240	}
3241	}	3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3242		3263
3243	1	3264	1
3244	}	3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
3245		3286
3246	register_exticmd fx_want => sub {	3287	register_exticmd fx_want => sub {
3247	my ($ns, $want) = @_;	3288	my ($ns, $want) = @_;
3248		3289
3249	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3250	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3251	}	3292	}
3252	};	3293	};
		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
3253		3304
3254	sub reload_regions {	3305	sub reload_regions {
3255	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3256	# for this (global event?)	3307	# for this (global event?)
3257	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3271	}	3322	}
3272		3323
3273	sub reload_archetypes {	3324	sub reload_archetypes {
3274	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3275	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3276	#d# NEED to laod twice to resolve forward references
3277	# this really needs to be done in an extra post-pass
3278	# (which needs to be synchronous, so solve it differently)
3279	load_resource_file "$DATADIR/archetypes"
3280	or die "unable to load archetypes\n";
3281	}	3327	}
3282		3328
3283	sub reload_treasures {	3329	sub reload_treasures {
3284	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3285	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3286	}	3332	}
3287		3333
3288	sub reload_resources {	3334	sub reload_resources {
3289	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3290		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3291	reload_regions;	3339	reload_regions;
3292	reload_facedata;
3293	#reload_archetypes;#d#
3294	reload_archetypes;
3295	reload_treasures;	3340	reload_treasures;
3296		3341
3297	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3298	}
3299
3300	sub init {
3301	reload_resources;
3302	}	3343	}
3303		3344
3304	sub reload_config {	3345	sub reload_config {
3305	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3306	or return;	3347	or return;
3307		3348
3308	local $/;	3349	local $/;
3309	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3310		3351
3311	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3312		3353
3313	$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};
3314	$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};
…		…
3320	};	3361	};
3321	warn $@ if $@;	3362	warn $@ if $@;
3322	}	3363	}
3323	}	3364	}
3324		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
3325	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
3326	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3327	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3328	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#
3329	(async {	3403	(async {
3330	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3331	EV::loop EV::LOOP_ONESHOT;	3405	EV::loop EV::LOOP_ONESHOT;
3332	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3333	};	3407	};
3334		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3335	reload_config;	3413	reload_config;
3336	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
3337	load_extensions;	3427	load_extensions;
3338		3428
3339	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
3340	$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
3341	EV::loop;	3437	EV::loop;
3342	}	3438	}
3343		3439
3344	#############################################################################	3440	#############################################################################
3345	# initialisation and cleanup	3441	# initialisation and cleanup
…		…
3352	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3353	};	3449	};
3354	}	3450	}
3355	}	3451	}
3356		3452
3357	sub write_runtime {	3453	sub write_runtime_sync {
3358	my $runtime = "$LOCALDIR/runtime";
3359
3360	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3361	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3362		3456
3363	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3364		3458
3365	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3366		3460
3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3368	or return;	3462	or return;
3369		3463
3370	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3371	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3372	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3382	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3383		3477
3384	close $fh	3478	close $fh
3385	or return;	3479	or return;
3386		3480
3387	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3388	and return;	3482	and return;
3389		3483
3390	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3391		3485
3392	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 };
3393	}	3537	}
3394		3538
3395	sub emergency_save() {	3539	sub emergency_save() {
3396	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3397		3541
3398	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3399		3543
3400	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
3401	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3402	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3403	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3404	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3405	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3406	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3407	$pl->valid or next;	3556	$pl->valid or next;
3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3409	$pl->save;	3558	$pl->save;
3410	}	3559	}
3411	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3412		3561
3413	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3414	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3415	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3416	$map->valid or next;	3565	$map->valid or next;
3417	$map->save;	3566	$map->save;
3418	}	3567	}
3419	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3420		3569
3421	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3422	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3423	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3424	};	3577	};
3425		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3426	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3427	}	3585	}
3428		3586
3429	sub post_cleanup {	3587	sub post_cleanup {
3430	my ($make_core) = @_;	3588	my ($make_core) = @_;
3431		3589
3432	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3433	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 $pkg\n";#d#
3434	}	3621	}
3435		3622
3436	sub do_reload_perl() {	3623	sub do_reload_perl() {
3437	# can/must only be called in main	3624	# can/must only be called in main
3438	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3439	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3440	return;	3627	return;
3441	}	3628	}
3442		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3443	warn "reloading...";	3635	warn "reloading...";
3444		3636
3445	warn "entering sync_job";	3637	warn "entering sync_job";
3446		3638
3447	cf::sync_job {	3639	cf::sync_job {
3448	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3449	cf::emergency_save;	3641	cf::emergency_save;
3450	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3451		3643
3452	warn "syncing database to disk";	3644	warn "syncing database to disk";
3453	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3454		3646
3455	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3456		3648
3457	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3458	for (;;) {
3459	BDB::flush;
3460	IO::AIO::flush;
3461	Coro::cede_notself;
3462	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3463	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3464	}
3465
3466	++$RELOAD;
3467
3468	warn "cancelling all extension coros";
3469	$_->cancel for values %EXT_CORO;
3470	%EXT_CORO = ();
3471
3472	warn "removing commands";
3473	%COMMAND = ();
3474
3475	warn "removing ext/exti commands";
3476	%EXTCMD = ();
3477	%EXTICMD = ();
3478
3479	warn "unloading/nuking all extensions";
3480	for my $pkg (@EXTS) {
3481	warn "... unloading $pkg";
3482
3483	if (my $cb = $pkg->can ("unload")) {
3484	eval {
3485	$cb->($pkg);
3486	1
3487	} or warn "$pkg unloaded, but with errors: $@";
3488	}	3652	}
3489		3653
3490	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3491	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3492	}	3656	%EXT_CORO = ();
3493		3657
3494	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3495	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3496	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3497		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3498	warn "... unloading $k";	3667	warn "... unloading $pkg";
3499	delete $INC{$k};
3500		3668
3501	$k =~ s/\.pm$//;
3502	$k =~ s/\//::/g;
3503
3504	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3505	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3506	}	3678	}
3507		3679
3508	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 $k;
3509	}	3695	}
3510		3696
3511	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3512	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3513	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);
3514		3700
3515	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3516	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3517	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/pod.pm"};
3518		3704
3519	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3520	# and global variables created in xs	3706	# and global variables created in xs
3521	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3522		3708
3523	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3524		3710
3525	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3526	require cf;	3712	require cf;
3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3528		3714
3529	warn "loading config and database again";	3715	warn "loading config and database again";
3530	cf::reload_config;	3716	cf::reload_config;
3531		3717
3532	warn "loading extensions";	3718	warn "loading extensions";
3533	cf::load_extensions;	3719	cf::load_extensions;
3534		3720
		3721	if ($REATTACH_ON_RELOAD) {
3535	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3536	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3537	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3538	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3539	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3540	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3541		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3542	warn "leaving sync_job";	3733	warn "leaving sync_job";
3543		3734
3544	1	3735	1
3545	} or do {	3736	} or do {
3546	warn $@;	3737	warn $@;
3547	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3548	exit 1;
3549	};	3739	};
3550		3740
3551	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3552	};	3747	};
3553		3748
3554	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3555		3750
3556	sub reload_perl() {	3751	sub reload_perl() {
3557	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3558	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3559		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
3561	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3562	do_reload_perl;	3761	};
3563	};	3762	};
3564	}	3763	}
3565		3764
3566	register_command "reload" => sub {	3765	register_command "reload" => sub {
3567	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
…		…
3581		3780
3582	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3583	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3584		3783
3585	sub wait_for_tick {	3784	sub wait_for_tick {
3586	return unless $TICK_WATCHER->is_active;
3587	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3588		3786
3589	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3590	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3591	$signal->wait;	3789	$signal->wait;
3592	}	3790	}
3593		3791
3594	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3794
3598	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3600	$signal->wait;	3797	$signal->wait;
3601	}	3798	}
3602		3799
3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3800	sub tick {
3604	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3607	return;	3804	return;
3608	}	3805	}
3609		3806
3610	$NOW = $tick_start = EV::now;
3611
3612	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3613
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK = $_[0]->at;
3616		3808
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$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.;
3619	Coro::async_pool {	3811	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	3813	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3623	};	3815	};
3624	}	3816	}
3625		3817
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3628	}	3820	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3630	$sig->send;	3822	$sig->send;
3631	}	3823	}
3632		3824
3633	$LOAD = ($NOW - $tick_start) / $TICK;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3635		3827
3636	_post_tick;	3828	if (0) {
3637	};	3829	if ($NEXT_TICK) {
3638	$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	}
3639		3836
3640	{	3837	{
3641	# configure BDB	3838	# configure BDB
3642		3839
3643	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3644	BDB::max_poll_reqs $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3645	$Coro::BDB::WATCHER->priority (1);	3842	$AnyEvent::BDB::WATCHER->priority (1);
3646		3843
3647	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3648	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3650	| 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;
3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3653		3851
3654	cf::sync_job {	3852	cf::sync_job {
3655	eval {	3853	eval {
…		…
3681	{	3879	{
3682	# configure IO::AIO	3880	# configure IO::AIO
3683		3881
3684	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3685	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3686	$Coro::AIO::WATCHER->priority (1);	3884	undef $AnyEvent::AIO::WATCHER;
3687	}	3885	}
3688		3886
3689	my $_log_backtrace;	3887	my $_log_backtrace;
3690		3888
3691	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3694	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3695		3893
3696	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3697	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3698	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3699	async {	3898	async {
3700	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3701		3900
3702	my @bt = fork_call {	3901	my @bt = fork_call {
3703	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3714	}	3913	}
3715		3914
3716	@funcs	3915	@funcs
3717	};	3916	};
3718		3917
3719	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3720	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3721	--$_log_backtrace;	3921	--$_log_backtrace;
3722	};	3922	};
3723	} else {	3923	} else {
3724	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";

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