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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 1.465 by root, Thu Jan 8 00:54:55 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 "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<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
735		791
736	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
737	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
738		794
739	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
740		796
741	=over 4	797	=over 4
…		…
1032		1088
1033	sub reattach {	1089	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1035	my ($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/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
2766	"c/uptime" => {	2798	"c/uptime" => {
2767	id => "infobox",	2799	id => "infobox",
2768	title => "Uptime",	2800	title => "Uptime",
2769	reply => undef,	2801	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	2802	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	2805	id => "infobox",
2774	title => "Map Info",	2806	title => "Map Info",
2775	reply => undef,	2807	reply => undef,
2776	tooltip => "Information related to the maps",	2808	tooltip => "Information related to the maps",
2777	},	2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
2778	);	2824	);
2779		2825
2780	sub cf::client::send_msg {	2826	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	2827	my ($self, $channel, $msg, $color, @extra) = @_;
2782		2828
2783	$msg = $self->pl->expand_cfpod ($msg);	2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
2784		2831
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		2833
2787	# check predefined channels, for the benefit of C	2834	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	2835	if ($CHANNEL{$channel}) {
2789	$channel = $CHANNEL{$channel};	2836	$channel = $CHANNEL{$channel};
2790		2837
2791	$self->ext_msg (channel_info => $channel)	2838	$self->ext_msg (channel_info => $channel);
2792	if $self->can_msg;
2793
2794	$channel = $channel->{id};	2839	$channel = $channel->{id};
2795		2840
2796	} elsif (ref $channel) {	2841	} elsif (ref $channel) {
2797	# send meta info to client, if not yet sent	2842	# send meta info to client, if not yet sent
2798	unless (exists $self->{channel}{$channel->{id}}) {	2843	unless (exists $self->{channel}{$channel->{id}}) {
2799	$self->{channel}{$channel->{id}} = $channel;	2844	$self->{channel}{$channel->{id}} = $channel;
2800	$self->ext_msg (channel_info => $channel)	2845	$self->ext_msg (channel_info => $channel);
2801	if $self->can_msg;
2802	}	2846	}
2803		2847
2804	$channel = $channel->{id};	2848	$channel = $channel->{id};
2805	}	2849	}
2806		2850
2807	return unless @extra || length $msg;	2851	return unless @extra || length $msg;
2808		2852
2809	if ($self->can_msg) {
2810	# default colour, mask it out	2853	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	2855	if $color & cf::NDI_DEF;
2813		2856
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816	} else {	2860	);
2817	if ($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		2861
2828	$color &= cf::NDI_COLOR_MASK;	2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
2829		2865
2830	utf8::encode $msg;	2866	# split very large packets
2831		2867	if (8192 < length $pkt and $self->{can_lzf}) {
2832	if (0 && $msg =~ /\[/) {	2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833	# COMMAND/INFO	2869	$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	}	2870	}
		2871
		2872	$self->send_packet ($pkt);
2841	}	2873	}
2842		2874
2843	=item $client->ext_msg ($type, @msg)	2875	=item $client->ext_msg ($type, @msg)
2844		2876
2845	Sends an ext event to the client.	2877	Sends an ext event to the client.
…		…
3019		3051
3020	The following functions and methods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
3021		3053
3022	cf::object	3054	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3055	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3056	insert remove name archname title slaying race decrease split
3025		3057
3026	cf::object::player	3058	cf::object::player
3027	player	3059	player
3028		3060
3029	cf::player	3061	cf::player
…		…
3034		3066
3035	=cut	3067	=cut
3036		3068
3037	for (	3069	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3071	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3072	decrease split destroy change_exp)],
3041	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
3043	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
3044	) {	3076	) {
3045	no strict 'refs';	3077	no strict 'refs';
…		…
3253	while (my ($k, $v) = each %$want) {	3285	while (my ($k, $v) = each %$want) {
3254	$ns->fx_want ($k, $v);	3286	$ns->fx_want ($k, $v);
3255	}	3287	}
3256	};	3288	};
3257		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
3258	sub reload_regions {	3300	sub reload_regions {
3259	# HACK to clear player env face cache, we need some signal framework	3301	# HACK to clear player env face cache, we need some signal framework
3260	# for this (global event?)	3302	# for this (global event?)
3261	%ext::player_env::MUSIC_FACE_CACHE = ();	3303	%ext::player_env::MUSIC_FACE_CACHE = ();
3262		3304
…		…
3275	}	3317	}
3276		3318
3277	sub reload_archetypes {	3319	sub reload_archetypes {
3278	load_resource_file "$DATADIR/archetypes"	3320	load_resource_file "$DATADIR/archetypes"
3279	or die "unable to load archetypes\n";	3321	or die "unable to load archetypes\n";
3280	#d# NEED to laod twice to resolve forward references
3281	# this really needs to be done in an extra post-pass
3282	# (which needs to be synchronous, so solve it differently)
3283	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";
3285	}	3322	}
3286		3323
3287	sub reload_treasures {	3324	sub reload_treasures {
3288	load_resource_file "$DATADIR/treasures"	3325	load_resource_file "$DATADIR/treasures"
3289	or die "unable to load treasurelists\n";	3326	or die "unable to load treasurelists\n";
3290	}	3327	}
3291		3328
3292	sub reload_resources {	3329	sub reload_resources {
3293	warn "reloading resource files...\n";	3330	warn "reloading resource files...\n";
3294		3331
		3332	reload_facedata;
		3333	reload_archetypes;
3295	reload_regions;	3334	reload_regions;
3296	reload_facedata;
3297	#reload_archetypes;#d#
3298	reload_archetypes;
3299	reload_treasures;	3335	reload_treasures;
3300		3336
3301	warn "finished reloading resource files\n";	3337	warn "finished reloading resource files\n";
3302	}
3303
3304	sub init {
3305	reload_resources;
3306	}	3338	}
3307		3339
3308	sub reload_config {	3340	sub reload_config {
3309	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
3310	or return;	3342	or return;
3311		3343
3312	local $/;	3344	local $/;
3313	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
3314		3346
3315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316		3348
3317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$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};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3324	};	3356	};
3325	warn $@ if $@;	3357	warn $@ if $@;
3326	}	3358	}
3327	}	3359	}
3328		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
3329	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
3330	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
3331	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3333	(async {	3398	(async {
3334	$Coro::current->{desc} = "IDLE BUG HANDLER";	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
3335	EV::loop EV::LOOP_ONESHOT;	3400	EV::loop EV::LOOP_ONESHOT;
3336	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
3337	};	3402	};
3338		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
3339	reload_config;	3408	reload_config;
3340	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
3341	load_extensions;	3422	load_extensions;
3342		3423
3343	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
3345	EV::loop;	3432	EV::loop;
3346	}	3433	}
3347		3434
3348	#############################################################################	3435	#############################################################################
3349	# initialisation and cleanup	3436	# initialisation and cleanup
…		…
3356	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
3357	};	3444	};
3358	}	3445	}
3359	}	3446	}
3360		3447
3361	sub write_runtime {	3448	sub write_runtime_sync {
3362	my $runtime = "$LOCALDIR/runtime";
3363
3364	# first touch the runtime file to show we are still running:	3449	# first touch the runtime file to show we are still running:
3365	# the fsync below can take a very very long time.	3450	# the fsync below can take a very very long time.
3366		3451
3367	IO::AIO::aio_utime $runtime, undef, undef;	3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368		3453
3369	my $guard = cf::lock_acquire "write_runtime";	3454	my $guard = cf::lock_acquire "write_runtime";
3370		3455
3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372	or return;	3457	or return;
3373		3458
3374	my $value = $cf::RUNTIME + 90 + 10;	3459	my $value = $cf::RUNTIME + 90 + 10;
3375	# 10 is the runtime save interval, for a monotonic clock	3460	# 10 is the runtime save interval, for a monotonic clock
3376	# 60 allows for the watchdog to kill the server.	3461	# 60 allows for the watchdog to kill the server.
…		…
3386	aio_utime $fh, undef, undef;	3471	aio_utime $fh, undef, undef;
3387		3472
3388	close $fh	3473	close $fh
3389	or return;	3474	or return;
3390		3475
3391	aio_rename "$runtime~", $runtime	3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392	and return;	3477	and return;
3393		3478
3394	warn "runtime file written.\n";	3479	warn "runtime file written.\n";
3395		3480
3396	1	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
3397	}	3532	}
3398		3533
3399	sub emergency_save() {	3534	sub emergency_save() {
3400	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
3401		3536
3402	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
3403		3538
3404	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
3405	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
3406	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
3407	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
3408	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
3409	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
3410	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
3411	$pl->valid or next;	3551	$pl->valid or next;
3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413	$pl->save;	3553	$pl->save;
3414	}	3554	}
3415	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
3416		3556
3417	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
3418	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
3419	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
3420	$map->valid or next;	3560	$map->valid or next;
3421	$map->save;	3561	$map->save;
3422	}	3562	}
3423	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
3424		3564
3425	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
3426	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
3427	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
3428	};	3572	};
3429		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
3430	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
3431	}	3580	}
3432		3581
3433	sub post_cleanup {	3582	sub post_cleanup {
3434	my ($make_core) = @_;	3583	my ($make_core) = @_;
3435		3584
3436	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
3437	if $make_core;	3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
3438	}	3616	}
3439		3617
3440	sub do_reload_perl() {	3618	sub do_reload_perl() {
3441	# can/must only be called in main	3619	# can/must only be called in main
3442	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
3443	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
3444	return;	3622	return;
3445	}	3623	}
3446		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
3447	warn "reloading...";	3630	warn "reloading...";
3448		3631
3449	warn "entering sync_job";	3632	warn "entering sync_job";
3450		3633
3451	cf::sync_job {	3634	cf::sync_job {
3452	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
3453	cf::emergency_save;	3636	cf::emergency_save;
3454	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
3455		3638
3456	warn "syncing database to disk";	3639	warn "syncing database to disk";
3457	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
3458		3641
3459	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
3460		3643
3461	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
3462	for (;;) {
3463	BDB::flush;
3464	IO::AIO::flush;
3465	Coro::cede_notself;
3466	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
3467	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468	}
3469
3470	++$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	}	3647	}
3493		3648
3494	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
3495	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
3496	}	3651	%EXT_CORO = ();
3497		3652
3498	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
3499	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
3502	warn "... unloading $k";	3662	warn "... unloading $pkg";
3503	delete $INC{$k};
3504		3663
3505	$k =~ s/\.pm$//;
3506	$k =~ s/\//::/g;
3507
3508	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
3509	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
3510	}	3673	}
3511		3674
3512	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
3513	}	3690	}
3514		3691
3515	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
3516	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3518		3695
3519	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
3520	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
3521	delete $INC{"cf/pod.pm"};	3698	delete $INC{"cf/pod.pm"};
3522		3699
3523	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
3524	# and global variables created in xs	3701	# and global variables created in xs
3525	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
3526		3703
3527	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
3528		3705
3529	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
3530	require cf;	3707	require cf;
3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532		3709
3533	warn "loading config and database again";	3710	warn "loading config and database again";
3534	cf::reload_config;	3711	cf::reload_config;
3535		3712
3536	warn "loading extensions";	3713	warn "loading extensions";
3537	cf::load_extensions;	3714	cf::load_extensions;
3538		3715
		3716	if ($REATTACH_ON_RELOAD) {
3539	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
3540	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
3541	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
3542	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
3543	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
3544	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
3545		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
3546	warn "leaving sync_job";	3728	warn "leaving sync_job";
3547		3729
3548	1	3730	1
3549	} or do {	3731	} or do {
3550	warn $@;	3732	warn $@;
3551	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
3552	exit 1;
3553	};	3734	};
3554		3735
3555	warn "reloaded";	3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
3556	};	3742	};
3557		3743
3558	our $RELOAD_WATCHER; # used only during reload	3744	our $RELOAD_WATCHER; # used only during reload
3559		3745
3560	sub reload_perl() {	3746	sub reload_perl() {
3561	# doing reload synchronously and two reloads happen back-to-back,	3747	# doing reload synchronously and two reloads happen back-to-back,
3562	# coro crashes during coro_state_free->destroy here.	3748	# coro crashes during coro_state_free->destroy here.
3563		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
3565	undef $RELOAD_WATCHER;	3755	undef $RELOAD_WATCHER;
3566	do_reload_perl;	3756	};
3567	};	3757	};
3568	}	3758	}
3569		3759
3570	register_command "reload" => sub {	3760	register_command "reload" => sub {
3571	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
…		…
3585		3775
3586	our @WAIT_FOR_TICK;	3776	our @WAIT_FOR_TICK;
3587	our @WAIT_FOR_TICK_BEGIN;	3777	our @WAIT_FOR_TICK_BEGIN;
3588		3778
3589	sub wait_for_tick {	3779	sub wait_for_tick {
3590	return unless $TICK_WATCHER->is_active;
3591	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
3592		3781
3593	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
3594	push @WAIT_FOR_TICK, $signal;	3783	push @WAIT_FOR_TICK, $signal;
3595	$signal->wait;	3784	$signal->wait;
3596	}	3785	}
3597		3786
3598	sub wait_for_tick_begin {	3787	sub wait_for_tick_begin {
3599	return unless $TICK_WATCHER->is_active;
3600	return if $Coro::current == $Coro::main;	3788	return if tick_inhibit || $Coro::current == $Coro::main;
3601		3789
3602	my $signal = new Coro::Signal;	3790	my $signal = new Coro::Signal;
3603	push @WAIT_FOR_TICK_BEGIN, $signal;	3791	push @WAIT_FOR_TICK_BEGIN, $signal;
3604	$signal->wait;	3792	$signal->wait;
3605	}	3793	}
3606		3794
3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3795	sub tick {
3608	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
3611	return;	3799	return;
3612	}	3800	}
3613		3801
3614	$NOW = $tick_start = EV::now;
3615
3616	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
3617
3618	$RUNTIME += $TICK;
3619	$NEXT_TICK = $_[0]->at;
3620		3803
3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3623	Coro::async_pool {	3806	Coro::async_pool {
3624	$Coro::current->{desc} = "runtime saver";	3807	$Coro::current->{desc} = "runtime saver";
3625	write_runtime	3808	write_runtime_sync
3626	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
3627	};	3810	};
3628	}	3811	}
3629		3812
3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3632	}	3815	}
3633	while (my $sig = shift @WAIT_FOR_TICK) {	3816	while (my $sig = shift @WAIT_FOR_TICK) {
3634	$sig->send;	3817	$sig->send;
3635	}	3818	}
3636		3819
3637	$LOAD = ($NOW - $tick_start) / $TICK;	3820	$LOAD = ($NOW - $TICK_START) / $TICK;
3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639		3822
3640	_post_tick;	3823	if (0) {
3641	};	3824	if ($NEXT_TICK) {
3642	$TICK_WATCHER->priority (EV::MAXPRI);	3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
3643		3831
3644	{	3832	{
3645	# configure BDB	3833	# configure BDB
3646		3834
3647	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
3648	BDB::max_poll_reqs $TICK * 0.1;	3836	BDB::max_poll_reqs $TICK * 0.1;
3649	$Coro::BDB::WATCHER->priority (1);	3837	$AnyEvent::BDB::WATCHER->priority (1);
3650		3838
3651	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
3652	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654	| BDB::LOG_AUTOREMOVE, 1);	3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657		3846
3658	cf::sync_job {	3847	cf::sync_job {
3659	eval {	3848	eval {
…		…
3685	{	3874	{
3686	# configure IO::AIO	3875	# configure IO::AIO
3687		3876
3688	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
3689	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
3690	$Coro::AIO::WATCHER->priority (1);	3879	undef $AnyEvent::AIO::WATCHER;
3691	}	3880	}
3692		3881
3693	my $_log_backtrace;	3882	my $_log_backtrace;
3694		3883
3695	sub _log_backtrace {	3884	sub _log_backtrace {
…		…
3698	$msg =~ s/\n//;	3887	$msg =~ s/\n//;
3699		3888
3700	# limit the # of concurrent backtraces	3889	# limit the # of concurrent backtraces
3701	if ($_log_backtrace < 2) {	3890	if ($_log_backtrace < 2) {
3702	++$_log_backtrace;	3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
3703	async {	3893	async {
3704	$Coro::current->{desc} = "abt $msg";	3894	$Coro::current->{desc} = "abt $msg";
3705		3895
3706	my @bt = fork_call {	3896	my @bt = fork_call {
3707	@addr = map { sprintf "%x", $_ } @addr;	3897	@addr = map { sprintf "%x", $_ } @addr;
…		…
3718	}	3908	}
3719		3909
3720	@funcs	3910	@funcs
3721	};	3911	};
3722		3912
3723	LOG llevInfo, "[ABT] $msg\n";	3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724	LOG llevInfo, "[ABT] $_\n" for @bt;	3915	LOG llevInfo, "[ABT] $_\n" for @bt;
3725	--$_log_backtrace;	3916	--$_log_backtrace;
3726	};	3917	};
3727	} else {	3918	} else {
3728	LOG llevInfo, "[ABT] $msg\n";	3919	LOG llevInfo, "[ABT] $msg\n";

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