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Revision 1.411 by root, Fri Feb 1 15:54:07 2008 UTC vs.
Revision 1.475 by root, Tue Jul 21 06:17:00 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML ();	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		76
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	77	# strictly for debugging
		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		79
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		81
48	our %COMMAND = ();	82	our %COMMAND = ();
49	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	86	our %EXTCMD = ();
53	our %EXTICMD = ();	87	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
56		90
57	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	92	our @EVENT;
59		93
60	our $CONFDIR = confdir;	94	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	95	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	96	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	97	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	98	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	99	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	103	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
71	our %RESOURCE;	108	our %RESOURCE;
72		109
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	112	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		114
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	115	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	116	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	118	our $DB_ENV;
85		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
		121
86	our %CFG;	122	our %CFG;
87		123
88	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	125	our $RUNTIME;
90	our $NOW;	126	our $NOW;
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		134
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
102		144
103	binmode STDOUT;	145	binmode STDOUT;
104	binmode STDERR;	146	binmode STDERR;
105		147
106	# read virtual server time, if available	148	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	150	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
111	}	153	}
		154
		155	eval "sub TICK() { $TICK } 1" or die;
112		156
113	mkdir $_	157	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		159
116	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
…		…
221	for my $pkg (qw(	265	for my $pkg (qw(
222	cf::global cf::attachable	266	cf::global cf::attachable
223	cf::object cf::object::player	267	cf::object cf::object::player
224	cf::client cf::player	268	cf::client cf::player
225	cf::arch cf::living	269	cf::arch cf::living
		270	cf::map cf::mapspace
226	cf::map cf::party cf::region	271	cf::party cf::region
227	)) {	272	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	273	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	274	}
231		275
232	$EV::DIED = sub {	276	$EV::DIED = sub {
233	warn "error in event callback: @_";	277	warn "error in event callback: @_";
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	319	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		320
277	sub encode_json($) { $json_coder->encode ($_[0]) }	321	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	322	sub decode_json($) { $json_coder->decode ($_[0]) }
279		323
		324	=item cf::post_init { BLOCK }
		325
		326	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		327	but I<before> the server starts ticking again.
		328
		329	The cdoeblock will have a single boolean argument to indicate whether this
		330	is a reload or not.
		331
		332	=cut
		333
		334	sub post_init(&) {
		335	push @POST_INIT, shift;
		336	}
		337
280	=item cf::lock_wait $string	338	=item cf::lock_wait $string
281		339
282	Wait until the given lock is available. See cf::lock_acquire.	340	Wait until the given lock is available. See cf::lock_acquire.
283		341
284	=item my $lock = cf::lock_acquire $string	342	=item my $lock = cf::lock_acquire $string
285		343
286	Wait until the given lock is available and then acquires it and returns	344	Wait until the given lock is available and then acquires it and returns
287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	345	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
288	for example when the coroutine gets canceled), the lock is automatically	346	for example when the coroutine gets canceled), the lock is automatically
289	returned.	347	returned.
290		348
291	Locks are *not* recursive, locking from the same coro twice results in a	349	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	350	deadlocked coro.
…		…
298		356
299	Return true if the lock is currently active, i.e. somebody has locked it.	357	Return true if the lock is currently active, i.e. somebody has locked it.
300		358
301	=cut	359	=cut
302		360
303	our %LOCK;	361	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		362
306	sub lock_wait($) {	363	sub lock_wait($) {
307	my ($key) = @_;	364	$LOCKS->wait ($_[0]);
308
309	if ($LOCKER{$key} == $Coro::current) {#d#
310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311	return;#d#
312	}#d#
313
314	# wait for lock, if any
315	while ($LOCK{$key}) {
316	push @{ $LOCK{$key} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	365	}
320		366
321	sub lock_acquire($) {	367	sub lock_acquire($) {
322	my ($key) = @_;	368	$LOCKS->guard ($_[0])
323
324	# wait, to be sure we are not locked
325	lock_wait $key;
326
327	$LOCK{$key} = [];
328	$LOCKER{$key} = $Coro::current;#d#
329
330	Coro::guard {
331	delete $LOCKER{$key};#d#
332	# wake up all waiters, to be on the safe side
333	$_->ready for @{ delete $LOCK{$key} };
334	}
335	}	369	}
336		370
337	sub lock_active($) {	371	sub lock_active($) {
338	my ($key) = @_;	372	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	373	}
342		374
343	sub freeze_mainloop {	375	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	376	tick_inhibit_inc;
345		377
346	my $guard = Coro::guard {	378	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	379	}
352		380
353	=item cf::periodic $interval, $cb	381	=item cf::periodic $interval, $cb
354		382
355	Like EV::periodic, but randomly selects a starting point so that the actions	383	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
410	}	438	}
411	}	439	}
412	};	440	};
413		441
414	sub get_slot($;$$) {	442	sub get_slot($;$$) {
		443	return if tick_inhibit || $Coro::current == $Coro::main;
		444
415	my ($time, $pri, $name) = @_;	445	my ($time, $pri, $name) = @_;
416		446
417	$time = $TICK * .6 if $time > $TICK * .6;	447	$time = $TICK * .6 if $time > $TICK * .6;
418	my $sig = new Coro::Signal;	448	my $sig = new Coro::Signal;
419		449
…		…
456	# this is the main coro, too bad, we have to block	486	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	487	# till the operation succeeds, freezing the server :/
458		488
459	LOG llevError, Carp::longmess "sync job";#d#	489	LOG llevError, Carp::longmess "sync job";#d#
460		490
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	491	my $freeze_guard = freeze_mainloop;
464		492
465	my $busy = 1;	493	my $busy = 1;
466	my @res;	494	my @res;
467		495
…		…
478	} else {	506	} else {
479	EV::loop EV::LOOP_ONESHOT;	507	EV::loop EV::LOOP_ONESHOT;
480	}	508	}
481	}	509	}
482		510
483	$time = EV::time - $time;	511	my $time = EV::time - $time;
484		512
485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488	$tick_start += $time; # do not account sync jobs to server load	513	$TICK_START += $time; # do not account sync jobs to server load
489		514
490	wantarray ? @res : $res[0]	515	wantarray ? @res : $res[0]
491	} else {	516	} else {
492	# we are in another coroutine, how wonderful, everything just works	517	# we are in another coroutine, how wonderful, everything just works
493		518
…		…
535	reset_signals;	560	reset_signals;
536	&$cb	561	&$cb
537	}, @args;	562	}, @args;
538		563
539	wantarray ? @res : $res[-1]	564	wantarray ? @res : $res[-1]
		565	}
		566
		567	=item $coin = coin_from_name $name
		568
		569	=cut
		570
		571	our %coin_alias = (
		572	"silver" => "silvercoin",
		573	"silvercoin" => "silvercoin",
		574	"silvercoins" => "silvercoin",
		575	"gold" => "goldcoin",
		576	"goldcoin" => "goldcoin",
		577	"goldcoins" => "goldcoin",
		578	"platinum" => "platinacoin",
		579	"platinumcoin" => "platinacoin",
		580	"platinumcoins" => "platinacoin",
		581	"platina" => "platinacoin",
		582	"platinacoin" => "platinacoin",
		583	"platinacoins" => "platinacoin",
		584	"royalty" => "royalty",
		585	"royalties" => "royalty",
		586	);
		587
		588	sub coin_from_name($) {
		589	$coin_alias{$_[0]}
		590	? cf::arch::find $coin_alias{$_[0]}
		591	: undef
540	}	592	}
541		593
542	=item $value = cf::db_get $family => $key	594	=item $value = cf::db_get $family => $key
543		595
544	Returns a single value from the environment database.	596	Returns a single value from the environment database.
…		…
683		735
684	#############################################################################	736	#############################################################################
685		737
686	=head2 ATTACHABLE OBJECTS	738	=head2 ATTACHABLE OBJECTS
687		739
688	Many objects in crossfire are so-called attachable objects. That means you can	740	Many objects in deliantra are so-called attachable objects. That means you can
689	attach callbacks/event handlers (a collection of which is called an "attachment")	741	attach callbacks/event handlers (a collection of which is called an "attachment")
690	to it. All such attachable objects support the following methods.	742	to it. All such attachable objects support the following methods.
691		743
692	In the following description, CLASS can be any of C<global>, C<object>	744	In the following description, CLASS can be any of C<global>, C<object>
693	C<player>, C<client> or C<map> (i.e. the attachable objects in	745	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
743	=item cf::CLASS::attachment $name, ...	795	=item cf::CLASS::attachment $name, ...
744		796
745	Register an attachment by C<$name> through which attachable objects of the	797	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	798	given CLASS can refer to this attachment.
747		799
748	Some classes such as crossfire maps and objects can specify attachments	800	Some classes such as deliantra maps and objects can specify attachments
749	that are attached at load/instantiate time, thus the need for a name.	801	that are attached at load/instantiate time, thus the need for a name.
750		802
751	These calls expect any number of the following handler/hook descriptions:	803	These calls expect any number of the following handler/hook descriptions:
752		804
753	=over 4	805	=over 4
…		…
1044		1096
1045	sub reattach {	1097	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1098	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1099	my ($obj) = @_;
1048		1100
		1101	# no longer needed after getting rid of delete_package?
1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1102	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1050		1103
1051	my $registry = $obj->registry;	1104	my $registry = $obj->registry;
1052		1105
1053	@$registry = ();	1106	@$registry = ();
1054		1107
…		…
1100	utf8::decode (my $decname = $filename);	1153	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1154	warn sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1155	$decname, length $$rdata, scalar @$objs;
1103		1156
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1157	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1158	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1159	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1160	if ($cf::USE_FSYNC) {
		1161	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1162	aio_fsync $fh;
		1163	}
1108	close $fh;	1164	aio_close $fh;
1109		1165
1110	if (@$objs) {	1166	if (@$objs) {
1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1167	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1112	chmod SAVE_MODE, $fh;	1168	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1169	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1170	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1171	if ($cf::USE_FSYNC) {
		1172	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1173	aio_fsync $fh;
		1174	}
1116	close $fh;	1175	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1176	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1177	}
1119	} else {	1178	} else {
1120	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1121	}	1180	}
1122		1181
1123	aio_rename "$filename~", $filename;	1182	aio_rename "$filename~", $filename;
		1183
		1184	$filename =~ s%/[^/]+$%%;
		1185	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1186	} else {
1125	warn "FATAL: $filename~: $!\n";	1187	warn "unable to save objects: $filename~: $!\n";
1126	}	1188	}
1127	} else {	1189	} else {
1128	aio_unlink $filename;	1190	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
1130	}	1192	}
…		…
1221	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
1222		1284
1223	$EXTICMD{$name} = $cb;	1285	$EXTICMD{$name} = $cb;
1224	}	1286	}
1225		1287
		1288	use File::Glob ();
		1289
1226	cf::player->attach (	1290	cf::player->attach (
1227	on_command => sub {	1291	on_command => sub {
1228	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
1229		1293
1230	my $cb = $COMMAND{$name}	1294	my $cb = $COMMAND{$name}
…		…
1262		1326
1263	cf::override;	1327	cf::override;
1264	},	1328	},
1265	);	1329	);
1266		1330
		1331	# "readahead" all extensions
		1332	sub cache_extensions {
		1333	my $grp = IO::AIO::aio_group;
		1334
		1335	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1336	for (grep /\.ext$/, @{$_[0]}) {
		1337	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1338	}
		1339	};
		1340
		1341	$grp
		1342	}
		1343
1267	sub load_extensions {	1344	sub load_extensions {
1268	cf::sync_job {	1345	cf::sync_job {
1269	my %todo;	1346	my %todo;
1270		1347
1271	for my $path (<$LIBDIR/*.ext>) {	1348	for my $path (<$LIBDIR/*.ext>) {
…		…
1290		1367
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1368	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1369	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1370
1294	$ext{source} =	1371	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1372	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1296	. "#line 1 \"$path\"\n{\n"	1373	. "#line 1 \"$path\"\n{\n"
1297	. $source	1374	. $source
1298	. "\n};\n1";	1375	. "\n};\n1";
1299		1376
1300	$todo{$base} = \%ext;	1377	$todo{$base} = \%ext;
…		…
1340		1417
1341	=back	1418	=back
1342		1419
1343	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1344		1421
1345	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1346		1423
1347	=cut	1424	=cut
1348		1425
1349	package cf::player;	1426	package cf::player;
1350		1427
…		…
1393		1470
1394	sub exists($) {	1471	sub exists($) {
1395	my ($login) = @_;	1472	my ($login) = @_;
1396		1473
1397	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1398	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1399	}	1476	}
1400		1477
1401	sub find($) {	1478	sub find($) {
1402	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1403	my $login = $_[0];	1480	my $login = $_[0];
…		…
1415	my $f = new_from_file cf::object::thawer path $login	1492	my $f = new_from_file cf::object::thawer path $login
1416	or return;	1493	or return;
1417		1494
1418	my $pl = cf::player::load_pl $f	1495	my $pl = cf::player::load_pl $f
1419	or return;	1496	or return;
		1497
1420	local $cf::PLAYER_LOADING{$login} = $pl;	1498	local $cf::PLAYER_LOADING{$login} = $pl;
1421	$f->resolve_delayed_derefs;	1499	$f->resolve_delayed_derefs;
1422	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1423	}	1501	}
1424	}	1502	}
…		…
1434		1512
1435	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1436		1514
1437	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1438	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
		1517
		1518	cf::get_slot 0.01;
1439		1519
1440	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1441	cf::cede_to_tick;	1521	cf::cede_to_tick;
1442	}	1522	}
1443		1523
…		…
1475	my ($pl) = @_;	1555	my ($pl) = @_;
1476		1556
1477	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1478		1558
1479	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1480	$pl->password ("*"); # this should lock out the player until we nuked the dir	1560	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1481		1561
1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1483	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1484	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1485	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1486		1568
1487	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1488	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1527		1609
1528	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
1529	my $path = path $login;	1611	my $path = path $login;
1530		1612
1531	# a .pst is a dead give-away for a valid player	1613	# a .pst is a dead give-away for a valid player
1532	unless (-e "$path.pst") {	1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1534	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1535	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
1536	}	1619	}
1537		1620
…		…
1568	}	1651	}
1569		1652
1570	\@paths	1653	\@paths
1571	}	1654	}
1572		1655
1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1574		1657
1575	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1576
1577	=cut
1578
1579	use re 'eval';
1580
1581	my $group;
1582	my $interior; $interior = qr{
1583	# match a pod interior sequence sans C<< >>
1584	(?:
1585	\ (.*?)\ (?{ $group = $^N })
1586	| < (??{$interior}) >
1587	)
1588	}x;
1589
1590	sub expand_cfpod {
1591	my ($self, $pod) = @_;
1592
1593	my $xml;
1594
1595	while () {
1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597	$group = $1;
1598
1599	$group =~ s/&/&amp;/g;
1600	$group =~ s/</&lt;/g;
1601
1602	$xml .= $group;
1603	} elsif ($pod =~ m%\G
1604	([BCGHITU])
1605	<
1606	(?:
1607	([^<>]*) (?{ $group = $^N })
1608	| < $interior >
1609	)
1610	>
1611	%gcsx
1612	) {
1613	my ($code, $data) = ($1, $group);
1614
1615	if ($code eq "B") {
1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617	} elsif ($code eq "I") {
1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619	} elsif ($code eq "U") {
1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621	} elsif ($code eq "C") {
1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623	} elsif ($code eq "T") {
1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625	} elsif ($code eq "G") {
1626	my ($male, $female) = split /\|/, $data;
1627	$data = $self->gender ? $female : $male;
1628	$xml .= expand_cfpod ($self, $data);
1629	} elsif ($code eq "H") {
1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632	"")
1633	[$self->{hintmode}];
1634	} else {
1635	$xml .= "error processing '$code($data)' directive";
1636	}
1637	} else {
1638	if ($pod =~ /\G(.+)/) {
1639	warn "parse error while expanding $pod (at $1)";
1640	}
1641	last;
1642	}
1643	}
1644
1645	for ($xml) {
1646	# create single paragraphs (very hackish)
1647	s/(?<=\S)\n(?=\w)/ /g;
1648
1649	# compress some whitespace
1650	s/\s+\n/\n/g; # ws line-ends
1651	s/\n\n+/\n/g; # double lines
1652	s/^\n+//; # beginning lines
1653	s/\n+$//; # ending lines
1654	}
1655
1656	$xml
1657	}
1658
1659	no re 'eval';
1660
1661	sub hintmode {
1662	$_[0]{hintmode} = $_[1] if @_ > 1;
1663	$_[0]{hintmode}
1664	}
1665		1659
1666	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1667		1661
1668	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1669		1663
…		…
1736	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1737	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1738		1732
1739	sub generate_random_map {	1733	sub generate_random_map {
1740	my ($self, $rmp) = @_;	1734	my ($self, $rmp) = @_;
		1735
		1736	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1737
1741	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1742	$self->_create_random_map (	1739	$self->_create_random_map (
1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1867		1864
1868	# the temporary/swap location	1865	# the temporary/swap location
1869	sub save_path {	1866	sub save_path {
1870	my ($self) = @_;	1867	my ($self) = @_;
1871		1868
1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1873	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1874	}	1871	}
1875		1872
1876	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1877	sub uniq_path {	1874	sub uniq_path {
1878	my ($self) = @_;	1875	my ($self) = @_;
1879		1876
1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1881	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1882	}
1883
1884	# and all this just because we cannot iterate over
1885	# all maps in C++...
1886	sub change_all_map_light {
1887	my ($change) = @_;
1888
1889	$_->change_map_light ($change)
1890	for grep $_->outdoor, values %cf::MAP;
1891	}	1879	}
1892		1880
1893	sub decay_objects {	1881	sub decay_objects {
1894	my ($self) = @_;	1882	my ($self) = @_;
1895		1883
…		…
1979	sub find {	1967	sub find {
1980	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1981		1969
1982	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1983		1971
1984	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1985	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1986		1974
1987	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1988	my $guard1 = cf::lock_acquire "map_find:$path";
1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1990
1991	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1992	or return;	1977	or return;
1993		1978
1994	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1995		1980
…		…
1997	or return;	1982	or return;
1998		1983
1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2000	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
2001	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
2002	undef $guard1;	1988	undef $guard1;
2003	undef $guard2;
2004	$map->reset;	1989	$map->reset;
2005	return find $path;	1990	return find $path;
2006	}	1991	}
2007		1992
2008	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
…		…
2035	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
2036	$f->skip_block;	2021	$f->skip_block;
2037	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
2038	or return;	2023	or return;
2039		2024
2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
2041	if delete $self->{load_original};	2026	if delete $self->{load_original};
2042		2027
2043	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
2044	utf8::encode $uniq;	2029	utf8::encode $uniq;
2045	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
2063	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2064	$self->decay_objects;	2049	$self->decay_objects;
2065	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2066	$self->update_buttons;	2051	$self->update_buttons;
2067	cf::cede_to_tick;	2052	cf::cede_to_tick;
2068	$self->set_darkness_map;
2069	cf::cede_to_tick;
2070	$self->activate;	2053	$self->activate;
2071	}	2054	}
2072		2055
2073	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
2074	$self->last_access ($cf::RUNTIME);	2057	$self->last_access ($cf::RUNTIME);
2075		2058
2076	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
2077	}	2060	}
2078		2061
2079	$self->post_load;	2062	$self->post_load;
2080	}	2063	}
2081		2064
…		…
2139	my ($path, $origin, $load) = @_;	2122	my ($path, $origin, $load) = @_;
2140		2123
2141	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
2142		2125
2143	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2145	}	2128	}
2146		2129
2147	$MAP_PREFETCH{$path} |= $load;	2130	$MAP_PREFETCH{$path} |= $load;
2148		2131
2149	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
…		…
2186	cf::async {	2169	cf::async {
2187	$Coro::current->{desc} = "map player save";	2170	$Coro::current->{desc} = "map player save";
2188	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2189	};	2172	};
2190		2173
		2174	cf::get_slot 0.02;
		2175
2191	if ($uniq) {	2176	if ($uniq) {
2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2193	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2194	} else {	2179	} else {
2195	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2203	$self->save;	2188	$self->save;
2204		2189
2205	my $lock = cf::lock_acquire "map_data:$self->{path}";	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2206		2191
2207	return if $self->players;	2192	return if $self->players;
2208	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2209	return if $self->{deny_save};	2194	return if $self->{deny_save};
2210		2195
2211	$self->in_memory (cf::MAP_SWAPPED);	2196	$self->in_memory (cf::MAP_SWAPPED);
2212		2197
2213	$self->deactivate;	2198	$self->deactivate;
…		…
2331		2316
2332	sub unique_maps() {	2317	sub unique_maps() {
2333	[	2318	[
2334	map {	2319	map {
2335	utf8::decode $_;	2320	utf8::decode $_;
2336	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2337	? normalise $_	2324	: normalise $_
2338	: ()
2339	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2340	]	2326	]
2341	}	2327	}
2342		2328
2343	package cf;
2344
2345	=back	2329	=back
2346		2330
2347	=head3 cf::object	2331	=head3 cf::object
2348		2332
2349	=cut	2333	=cut
…		…
2352		2336
2353	=over 4	2337	=over 4
2354		2338
2355	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2356		2340
2357	Returns the inventory of the object _and_ their inventories, recursively.	2341	Returns the inventory of the object I<and> their inventories, recursively,
		2342	but I<not> the object itself.
2358		2343
2359	=cut	2344	=cut
2360		2345
2361	sub inv_recursive_;	2346	sub inv_recursive_;
2362	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2367	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2368	}	2353	}
2369		2354
2370	=item $ref = $ob->ref	2355	=item $ref = $ob->ref
2371		2356
2372	creates and returns a persistent reference to an objetc that can be stored as a string.	2357	Creates and returns a persistent reference to an object that can be stored as a string.
2373		2358
2374	=item $ob = cf::object::deref ($refstring)	2359	=item $ob = cf::object::deref ($refstring)
2375		2360
2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2361	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377	even if the object actually exists. May block.	2362	even if the object actually exists. May block.
…		…
2409	can be C<undef>. Does the right thing when the player is currently in a	2394	can be C<undef>. Does the right thing when the player is currently in a
2410	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2411		2396
2412	=cut	2397	=cut
2413		2398
		2399	our $SAY_CHANNEL = {
		2400	id => "say",
		2401	title => "Map",
		2402	reply => "say ",
		2403	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2404	};
		2405
		2406	our $CHAT_CHANNEL = {
		2407	id => "chat",
		2408	title => "Chat",
		2409	reply => "chat ",
		2410	tooltip => "Player chat and shouts, global to the server.",
		2411	};
		2412
2414	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2415	# with dialog boxes.	2414	# with dialog boxes.
2416	#TODO: the first argument must go, split into a $npc->reply_to ( method	2415	#TODO: the first argument must go, split into a $npc->reply_to ( method
2417	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
2418	my ($self, $npc, $msg, $flags) = @_;	2417	my ($self, $npc, $msg, $flags) = @_;
…		…
2429	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431		2430
2432	} else {	2431	} else {
2433	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2434	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2435	}	2434	}
2436	}	2435	}
2437	}	2436	}
2438		2437
2439	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2464		2463
2465	=item $player_object->enter_link	2464	=item $player_object->enter_link
2466		2465
2467	Freezes the player and moves him/her to a special map (C<{link}>).	2466	Freezes the player and moves him/her to a special map (C<{link}>).
2468		2467
2469	The player should be reasonably safe there for short amounts of time. You	2468	The player should be reasonably safe there for short amounts of time (e.g.
2470	I<MUST> call C<leave_link> as soon as possible, though.	2469	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2470	though, as the palyer cannot control the character while it is on the link
		2471	map.
2471		2472
2472	Will never block.	2473	Will never block.
2473		2474
2474	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2475		2476
…		…
2533		2534
2534	$map->load;	2535	$map->load;
2535	$map->load_neighbours;	2536	$map->load_neighbours;
2536		2537
2537	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2538	$self->activate_recursive;	2540	$self->activate_recursive;
2539		2541
2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2541	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2542	}	2544	}
…		…
2546	Moves the player to the given map-path and coordinates by first freezing	2548	Moves the player to the given map-path and coordinates by first freezing
2547	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2548	that has to return the map if sucecssful, and then unfreezes the player on	2550	that has to return the map if sucecssful, and then unfreezes the player on
2549	the new (success) or old (failed) map position. In either case, $done will	2551	the new (success) or old (failed) map position. In either case, $done will
2550	be called at the end of this process.	2552	be called at the end of this process.
		2553
		2554	Note that $check will be called with a potentially non-loaded map, so if
		2555	it needs a loaded map it has to call C<< ->load >>.
2551		2556
2552	=cut	2557	=cut
2553		2558
2554	our $GOTOGEN;	2559	our $GOTOGEN;
2555		2560
…		…
2634	}	2639	}
2635		2640
2636	sub prepare_random_map {	2641	sub prepare_random_map {
2637	my ($exit) = @_;	2642	my ($exit) = @_;
2638		2643
2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
2640
2641	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2642	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2643	# that depends on the exit object	2646	# that depends on the exit object
2644		2647
2645	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2647	if ($exit->map) {	2650	if ($exit->map) {
2648	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2649	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2650	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2651	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2652	}	2657	}
2653		2658
2654	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2655		2660
2656	my $data = cf::encode_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2657	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2658	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2659		2664
2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2661	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2662	undef $fh;	2667	undef $fh;
2663	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2664		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2665	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2666	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2667	}	2676	}
2668	}	2677	}
2669		2678
2670	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2671	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2672		2681
2673	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2674		2683
2675	if ($exit->slaying eq "/!") {
2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
2677	# the problem is that $exit might not survive long enough
2678	# so it needs to be done right now, right here
2679	cf::sync_job { prepare_random_map $exit };
2680	}
2681
2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683	my $hp = $exit->stats->hp;
2684	my $sp = $exit->stats->sp;
2685
2686	$self->enter_link;	2684	$self->enter_link;
2687		2685
2688	# if exit is damned, update players death & WoR home-position
2689	$self->contr->savebed ($slaying, $hp, $sp)
2690	if $exit->flag (FLAG_DAMNED);
2691
2692	(async {	2686	(async {
2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2687	$Coro::current->{desc} = "enter_exit";
2694		2688
2695	$self->deactivate_recursive; # just to be sure
2696	unless (eval {	2689	unless (eval {
		2690	$self->deactivate_recursive; # just to be sure
		2691
		2692	# random map handling
		2693	{
		2694	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2695
		2696	prepare_random_map $exit
		2697	if $exit->slaying eq "/!";
		2698	}
		2699
		2700	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2701	my $x = $exit->stats->hp;
		2702	my $y = $exit->stats->sp;
		2703
2697	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2698		2705
		2706	# if exit is damned, update players death & WoR home-position
		2707	$self->contr->savebed ($map, $x, $y)
		2708	if $exit->flag (cf::FLAG_DAMNED);
		2709
2699	1;	2710	1
2700	}) {	2711	}) {
2701	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2702	. "I'll try to bring you back to the map you were before. "	2713	. "I'll try to bring you back to the map you were before. "
2703	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2704	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2705		2716
2706	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2772	id => "infobox",	2783	id => "infobox",
2773	title => "Body Parts",	2784	title => "Body Parts",
2774	reply => undef,	2785	reply => undef,
2775	tooltip => "Shows which body parts you posess and are available",	2786	tooltip => "Shows which body parts you posess and are available",
2776	},	2787	},
		2788	"c/statistics" => {
		2789	id => "infobox",
		2790	title => "Statistics",
		2791	reply => undef,
		2792	tooltip => "Shows your primary statistics",
		2793	},
		2794	"c/skills" => {
		2795	id => "infobox",
		2796	title => "Skills",
		2797	reply => undef,
		2798	tooltip => "Shows your experience per skill and item power",
		2799	},
		2800	"c/shopitems" => {
		2801	id => "infobox",
		2802	title => "Shop Items",
		2803	reply => undef,
		2804	tooltip => "Shows the items currently for sale in this shop",
		2805	},
		2806	"c/resistances" => {
		2807	id => "infobox",
		2808	title => "Resistances",
		2809	reply => undef,
		2810	tooltip => "Shows your resistances",
		2811	},
		2812	"c/pets" => {
		2813	id => "infobox",
		2814	title => "Pets",
		2815	reply => undef,
		2816	tooltip => "Shows information abotu your pets/a specific pet",
		2817	},
		2818	"c/perceiveself" => {
		2819	id => "infobox",
		2820	title => "Perceive Self",
		2821	reply => undef,
		2822	tooltip => "You gained detailed knowledge about yourself",
		2823	},
2777	"c/uptime" => {	2824	"c/uptime" => {
2778	id => "infobox",	2825	id => "infobox",
2779	title => "Uptime",	2826	title => "Uptime",
2780	reply => undef,	2827	reply => undef,
2781	tooltip => "How long the server has been running since last restart",	2828	tooltip => "How long the server has been running since last restart",
…		…
2784	id => "infobox",	2831	id => "infobox",
2785	title => "Map Info",	2832	title => "Map Info",
2786	reply => undef,	2833	reply => undef,
2787	tooltip => "Information related to the maps",	2834	tooltip => "Information related to the maps",
2788	},	2835	},
		2836	"c/party" => {
		2837	id => "party",
		2838	title => "Party",
		2839	reply => "gsay ",
		2840	tooltip => "Messages and chat related to your party",
		2841	},
		2842	"c/death" => {
		2843	id => "death",
		2844	title => "Death",
		2845	reply => undef,
		2846	tooltip => "Reason for and more info about your most recent death",
		2847	},
		2848	"c/say" => $SAY_CHANNEL,
		2849	"c/chat" => $CHAT_CHANNEL,
2789	);	2850	);
2790		2851
2791	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2792	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2793		2854
2794	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2795		2857
2796	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2797		2859
2798	# check predefined channels, for the benefit of C	2860	# check predefined channels, for the benefit of C
2799	if ($CHANNEL{$channel}) {	2861	if ($CHANNEL{$channel}) {
2800	$channel = $CHANNEL{$channel};	2862	$channel = $CHANNEL{$channel};
2801		2863
2802	$self->ext_msg (channel_info => $channel)	2864	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804
2805	$channel = $channel->{id};	2865	$channel = $channel->{id};
2806		2866
2807	} elsif (ref $channel) {	2867	} elsif (ref $channel) {
2808	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2809	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2810	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2811	$self->ext_msg (channel_info => $channel)	2871	$self->ext_msg (channel_info => $channel);
2812	if $self->can_msg;
2813	}	2872	}
2814		2873
2815	$channel = $channel->{id};	2874	$channel = $channel->{id};
2816	}	2875	}
2817		2876
2818	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2819		2878
2820	if ($self->can_msg) {
2821	# default colour, mask it out	2879	# default colour, mask it out
2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2824		2882
2825	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	} else {	2886	);
2828	if ($color >= 0) {
2829	# replace some tags by gcfclient-compatible ones
2830	for ($msg) {
2831	1 while
2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837	}
2838		2887
2839	$color &= cf::NDI_COLOR_MASK;	2888	# try lzf for large packets
		2889	$pkt = "lzf " . Compress::LZF::compress $pkt
		2890	if 1024 <= length $pkt and $self->{can_lzf};
2840		2891
2841	utf8::encode $msg;	2892	# split very large packets
2842		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2843	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2844	# COMMAND/INFO	2895	$pkt = "frag";
2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
2846	} else {
2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848	$self->send_packet ("drawinfo $color $msg")
2849	}
2850	}
2851	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2852	}	2899	}
2853		2900
2854	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2855		2902
2856	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
3030		3077
3031	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
3032		3079
3033	cf::object	3080	cf::object
3034	contr pay_amount pay_player map x y force_find force_add destroy	3081	contr pay_amount pay_player map x y force_find force_add destroy
3035	insert remove name archname title slaying race decrease_ob_nr	3082	insert remove name archname title slaying race decrease split
		3083	value
3036		3084
3037	cf::object::player	3085	cf::object::player
3038	player	3086	player
3039		3087
3040	cf::player	3088	cf::player
…		…
3045		3093
3046	=cut	3094	=cut
3047		3095
3048	for (	3096	for (
3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050	insert remove inv name archname title slaying race	3098	insert remove inv nrof name archname title slaying race
3051	decrease_ob_nr destroy)],	3099	decrease split destroy change_exp value msg lore send_msg)],
3052	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
3053	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
3054	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
3055	) {	3103	) {
3056	no strict 'refs';	3104	no strict 'refs';
3057	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
3058	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3075	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
3076		3124
3077	my $qcode = $code;	3125	my $qcode = $code;
3078	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3079	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
3080		3130
3081	local $_;	3131	local $_;
3082	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
3083		3133
3084	my $eval =	3134	my $eval =
…		…
3264	while (my ($k, $v) = each %$want) {	3314	while (my ($k, $v) = each %$want) {
3265	$ns->fx_want ($k, $v);	3315	$ns->fx_want ($k, $v);
3266	}	3316	}
3267	};	3317	};
3268		3318
		3319	sub load_resource_file($) {
		3320	my $guard = lock_acquire "load_resource_file";
		3321
		3322	my $status = load_resource_file_ $_[0];
		3323	get_slot 0.1, 100;
		3324	cf::arch::commit_load;
		3325
		3326	$status
		3327	}
		3328
3269	sub reload_regions {	3329	sub reload_regions {
3270	# HACK to clear player env face cache, we need some signal framework	3330	# HACK to clear player env face cache, we need some signal framework
3271	# for this (global event?)	3331	# for this (global event?)
3272	%ext::player_env::MUSIC_FACE_CACHE = ();	3332	%ext::player_env::MUSIC_FACE_CACHE = ();
3273		3333
…		…
3286	}	3346	}
3287		3347
3288	sub reload_archetypes {	3348	sub reload_archetypes {
3289	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
3290	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
3291	#d# NEED to laod twice to resolve forward references
3292	# this really needs to be done in an extra post-pass
3293	# (which needs to be synchronous, so solve it differently)
3294	load_resource_file "$DATADIR/archetypes"
3295	or die "unable to load archetypes\n";
3296	}	3351	}
3297		3352
3298	sub reload_treasures {	3353	sub reload_treasures {
3299	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
3300	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
3301	}	3356	}
3302		3357
3303	sub reload_resources {	3358	sub reload_resources {
3304	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
3305		3360
		3361	reload_facedata;
		3362	reload_archetypes;
3306	reload_regions;	3363	reload_regions;
3307	reload_facedata;
3308	#reload_archetypes;#d#
3309	reload_archetypes;
3310	reload_treasures;	3364	reload_treasures;
3311		3365
3312	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3313	}
3314
3315	sub init {
3316	reload_resources;
3317	}	3367	}
3318		3368
3319	sub reload_config {	3369	sub reload_config {
3320	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3321	or return;	3371	or return;
…		…
3335	};	3385	};
3336	warn $@ if $@;	3386	warn $@ if $@;
3337	}	3387	}
3338	}	3388	}
3339		3389
		3390	sub pidfile() {
		3391	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3392	or die "$PIDFILE: $!";
		3393	flock $fh, &Fcntl::LOCK_EX
		3394	or die "$PIDFILE: flock: $!";
		3395	$fh
		3396	}
		3397
		3398	# make sure only one server instance is running at any one time
		3399	sub atomic {
		3400	my $fh = pidfile;
		3401
		3402	my $pid = <$fh>;
		3403	kill 9, $pid if $pid > 0;
		3404
		3405	seek $fh, 0, 0;
		3406	print $fh $$;
		3407	}
		3408
		3409	sub main_loop {
		3410	warn "EV::loop starting\n";
		3411	if (1) {
		3412	EV::loop;
		3413	}
		3414	warn "EV::loop returned\n";
		3415	goto &main_loop unless $REALLY_UNLOOP;
		3416	}
		3417
3340	sub main {	3418	sub main {
		3419	cf::init_globals; # initialise logging
		3420
		3421	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3422	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3423	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3424	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3425
		3426	cf::init_experience;
		3427	cf::init_anim;
		3428	cf::init_attackmess;
		3429	cf::init_dynamic;
		3430
		3431	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3432
3341	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3342	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3343	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3435	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3344	(async {	3436	(async {
3345	$Coro::current->{desc} = "IDLE BUG HANDLER";	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
3346	EV::loop EV::LOOP_ONESHOT;	3438	EV::loop EV::LOOP_ONESHOT;
3347	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3348	};	3440	};
3349		3441
		3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
3350	reload_config;	3446	reload_config;
3351	db_init;	3447	db_init;
		3448
		3449	cf::load_settings;
		3450	cf::load_materials;
		3451	cf::init_uuid;
		3452	cf::init_signals;
		3453	cf::init_commands;
		3454	cf::init_skills;
		3455
		3456	cf::init_beforeplay;
		3457
		3458	atomic;
		3459
3352	load_extensions;	3460	load_extensions;
3353		3461
3354	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3463
3356	EV::loop;	3464	# no (long-running) fork's whatsoever before this point(!)
		3465	use POSIX ();
		3466	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3467
		3468	(pop @POST_INIT)->(0) while @POST_INIT;
		3469	};
		3470
		3471	main_loop;
3357	}	3472	}
3358		3473
3359	#############################################################################	3474	#############################################################################
3360	# initialisation and cleanup	3475	# initialisation and cleanup
3361		3476
…		…
3367	cf::cleanup "SIG$signal";	3482	cf::cleanup "SIG$signal";
3368	};	3483	};
3369	}	3484	}
3370	}	3485	}
3371		3486
3372	sub write_runtime {	3487	sub write_runtime_sync {
3373	my $runtime = "$LOCALDIR/runtime";
3374
3375	# first touch the runtime file to show we are still running:	3488	# first touch the runtime file to show we are still running:
3376	# the fsync below can take a very very long time.	3489	# the fsync below can take a very very long time.
3377		3490
3378	IO::AIO::aio_utime $runtime, undef, undef;	3491	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3379		3492
3380	my $guard = cf::lock_acquire "write_runtime";	3493	my $guard = cf::lock_acquire "write_runtime";
3381		3494
3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3495	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3383	or return;	3496	or return;
3384		3497
3385	my $value = $cf::RUNTIME + 90 + 10;	3498	my $value = $cf::RUNTIME + 90 + 10;
3386	# 10 is the runtime save interval, for a monotonic clock	3499	# 10 is the runtime save interval, for a monotonic clock
3387	# 60 allows for the watchdog to kill the server.	3500	# 60 allows for the watchdog to kill the server.
…		…
3397	aio_utime $fh, undef, undef;	3510	aio_utime $fh, undef, undef;
3398		3511
3399	close $fh	3512	close $fh
3400	or return;	3513	or return;
3401		3514
3402	aio_rename "$runtime~", $runtime	3515	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3403	and return;	3516	and return;
3404		3517
3405	warn "runtime file written.\n";	3518	warn "runtime file written.\n";
3406		3519
3407	1	3520	1
		3521	}
		3522
		3523	our $uuid_lock;
		3524	our $uuid_skip;
		3525
		3526	sub write_uuid_sync($) {
		3527	$uuid_skip ||= $_[0];
		3528
		3529	return if $uuid_lock;
		3530	local $uuid_lock = 1;
		3531
		3532	my $uuid = "$LOCALDIR/uuid";
		3533
		3534	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3535	or return;
		3536
		3537	my $value = uuid_seq uuid_cur;
		3538
		3539	unless ($value) {
		3540	warn "cowardly refusing to write zero uuid value!\n";
		3541	return;
		3542	}
		3543
		3544	my $value = uuid_str $value + $uuid_skip;
		3545	$uuid_skip = 0;
		3546
		3547	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3548	and return;
		3549
		3550	# always fsync - this file is important
		3551	aio_fsync $fh
		3552	and return;
		3553
		3554	close $fh
		3555	or return;
		3556
		3557	aio_rename "$uuid~", $uuid
		3558	and return;
		3559
		3560	warn "uuid file written ($value).\n";
		3561
		3562	1
		3563
		3564	}
		3565
		3566	sub write_uuid($$) {
		3567	my ($skip, $sync) = @_;
		3568
		3569	$sync ? write_uuid_sync $skip
		3570	: async { write_uuid_sync $skip };
3408	}	3571	}
3409		3572
3410	sub emergency_save() {	3573	sub emergency_save() {
3411	my $freeze_guard = cf::freeze_mainloop;	3574	my $freeze_guard = cf::freeze_mainloop;
3412		3575
3413	warn "enter emergency perl save\n";	3576	warn "emergency_perl_save: enter\n";
3414		3577
3415	cf::sync_job {	3578	cf::sync_job {
		3579	# this is a trade-off: we want to be very quick here, so
		3580	# save all maps without fsync, and later call a global sync
		3581	# (which in turn might be very very slow)
		3582	local $USE_FSYNC = 0;
		3583
3416	# use a peculiar iteration method to avoid tripping on perl	3584	# use a peculiar iteration method to avoid tripping on perl
3417	# refcount bugs in for. also avoids problems with players	3585	# refcount bugs in for. also avoids problems with players
3418	# and maps saved/destroyed asynchronously.	3586	# and maps saved/destroyed asynchronously.
3419	warn "begin emergency player save\n";	3587	warn "emergency_perl_save: begin player save\n";
3420	for my $login (keys %cf::PLAYER) {	3588	for my $login (keys %cf::PLAYER) {
3421	my $pl = $cf::PLAYER{$login} or next;	3589	my $pl = $cf::PLAYER{$login} or next;
3422	$pl->valid or next;	3590	$pl->valid or next;
3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3591	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3424	$pl->save;	3592	$pl->save;
3425	}	3593	}
3426	warn "end emergency player save\n";	3594	warn "emergency_perl_save: end player save\n";
3427		3595
3428	warn "begin emergency map save\n";	3596	warn "emergency_perl_save: begin map save\n";
3429	for my $path (keys %cf::MAP) {	3597	for my $path (keys %cf::MAP) {
3430	my $map = $cf::MAP{$path} or next;	3598	my $map = $cf::MAP{$path} or next;
3431	$map->valid or next;	3599	$map->valid or next;
3432	$map->save;	3600	$map->save;
3433	}	3601	}
3434	warn "end emergency map save\n";	3602	warn "emergency_perl_save: end map save\n";
3435		3603
3436	warn "begin emergency database checkpoint\n";	3604	warn "emergency_perl_save: begin database checkpoint\n";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3605	BDB::db_env_txn_checkpoint $DB_ENV;
3438	warn "end emergency database checkpoint\n";	3606	warn "emergency_perl_save: end database checkpoint\n";
		3607
		3608	warn "emergency_perl_save: begin write uuid\n";
		3609	write_uuid_sync 1;
		3610	warn "emergency_perl_save: end write uuid\n";
3439	};	3611	};
3440		3612
		3613	warn "emergency_perl_save: starting sync()\n";
		3614	IO::AIO::aio_sync sub {
		3615	warn "emergency_perl_save: finished sync()\n";
		3616	};
		3617
3441	warn "leave emergency perl save\n";	3618	warn "emergency_perl_save: leave\n";
3442	}	3619	}
3443		3620
3444	sub post_cleanup {	3621	sub post_cleanup {
3445	my ($make_core) = @_;	3622	my ($make_core) = @_;
3446		3623
3447	warn Carp::longmess "post_cleanup backtrace"	3624	warn Carp::longmess "post_cleanup backtrace"
3448	if $make_core;	3625	if $make_core;
		3626
		3627	my $fh = pidfile;
		3628	unlink $PIDFILE if <$fh> == $$;
		3629	}
		3630
		3631	# a safer delete_package, copied from Symbol
		3632	sub clear_package($) {
		3633	my $pkg = shift;
		3634
		3635	# expand to full symbol table name if needed
		3636	unless ($pkg =~ /^main::.*::$/) {
		3637	$pkg = "main$pkg" if $pkg =~ /^::/;
		3638	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3639	$pkg .= '::' unless $pkg =~ /::$/;
		3640	}
		3641
		3642	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3643	my $stem_symtab = *{$stem}{HASH};
		3644
		3645	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3646	or return;
		3647
		3648	# clear all symbols
		3649	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3650	for my $name (keys %$leaf_symtab) {
		3651	_gv_clear *{"$pkg$name"};
		3652	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3653	}
		3654	warn "cleared package $pkg\n";#d#
3449	}	3655	}
3450		3656
3451	sub do_reload_perl() {	3657	sub do_reload_perl() {
3452	# can/must only be called in main	3658	# can/must only be called in main
3453	if ($Coro::current != $Coro::main) {	3659	if ($Coro::current != $Coro::main) {
3454	warn "can only reload from main coroutine";	3660	warn "can only reload from main coroutine";
3455	return;	3661	return;
3456	}	3662	}
3457		3663
		3664	return if $RELOAD++;
		3665
		3666	my $t1 = EV::time;
		3667
		3668	while ($RELOAD) {
3458	warn "reloading...";	3669	warn "reloading...";
3459		3670
3460	warn "entering sync_job";	3671	warn "entering sync_job";
3461		3672
3462	cf::sync_job {	3673	cf::sync_job {
3463	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
3464	cf::emergency_save;	3675	cf::emergency_save;
3465	cf::write_runtime; # external watchdog should not bark	3676	cf::write_runtime_sync; # external watchdog should not bark
3466		3677
3467	warn "syncing database to disk";	3678	warn "syncing database to disk";
3468	BDB::db_env_txn_checkpoint $DB_ENV;	3679	BDB::db_env_txn_checkpoint $DB_ENV;
3469		3680
3470	# if anything goes wrong in here, we should simply crash as we already saved	3681	# if anything goes wrong in here, we should simply crash as we already saved
3471		3682
3472	warn "flushing outstanding aio requests";	3683	warn "flushing outstanding aio requests";
3473	for (;;) {
3474	BDB::flush;
3475	IO::AIO::flush;
3476	Coro::cede_notself;
3477	last unless IO::AIO::nreqs || BDB::nreqs;	3684	while (IO::AIO::nreqs || BDB::nreqs) {
3478	warn "iterate...";	3685	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3479	}
3480
3481	++$RELOAD;
3482
3483	warn "cancelling all extension coros";
3484	$_->cancel for values %EXT_CORO;
3485	%EXT_CORO = ();
3486
3487	warn "removing commands";
3488	%COMMAND = ();
3489
3490	warn "removing ext/exti commands";
3491	%EXTCMD = ();
3492	%EXTICMD = ();
3493
3494	warn "unloading/nuking all extensions";
3495	for my $pkg (@EXTS) {
3496	warn "... unloading $pkg";
3497
3498	if (my $cb = $pkg->can ("unload")) {
3499	eval {
3500	$cb->($pkg);
3501	1
3502	} or warn "$pkg unloaded, but with errors: $@";
3503	}	3686	}
3504		3687
3505	warn "... nuking $pkg";	3688	warn "cancelling all extension coros";
3506	Symbol::delete_package $pkg;	3689	$_->cancel for values %EXT_CORO;
3507	}	3690	%EXT_CORO = ();
3508		3691
3509	warn "unloading all perl modules loaded from $LIBDIR";	3692	warn "removing commands";
3510	while (my ($k, $v) = each %INC) {	3693	%COMMAND = ();
3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3512		3694
		3695	warn "removing ext/exti commands";
		3696	%EXTCMD = ();
		3697	%EXTICMD = ();
		3698
		3699	warn "unloading/nuking all extensions";
		3700	for my $pkg (@EXTS) {
3513	warn "... unloading $k";	3701	warn "... unloading $pkg";
3514	delete $INC{$k};
3515		3702
3516	$k =~ s/\.pm$//;
3517	$k =~ s/\//::/g;
3518
3519	if (my $cb = $k->can ("unload_module")) {	3703	if (my $cb = $pkg->can ("unload")) {
		3704	eval {
3520	$cb->();	3705	$cb->($pkg);
		3706	1
		3707	} or warn "$pkg unloaded, but with errors: $@";
		3708	}
		3709
		3710	warn "... clearing $pkg";
		3711	clear_package $pkg;
3521	}	3712	}
3522		3713
3523	Symbol::delete_package $k;	3714	warn "unloading all perl modules loaded from $LIBDIR";
		3715	while (my ($k, $v) = each %INC) {
		3716	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3717
		3718	warn "... unloading $k";
		3719	delete $INC{$k};
		3720
		3721	$k =~ s/\.pm$//;
		3722	$k =~ s/\//::/g;
		3723
		3724	if (my $cb = $k->can ("unload_module")) {
		3725	$cb->();
		3726	}
		3727
		3728	clear_package $k;
3524	}	3729	}
3525		3730
3526	warn "getting rid of safe::, as good as possible";	3731	warn "getting rid of safe::, as good as possible";
3527	Symbol::delete_package "safe::$_"	3732	clear_package "safe::$_"
3528	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3733	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3529		3734
3530	warn "unloading cf.pm \"a bit\"";	3735	warn "unloading cf.pm \"a bit\"";
3531	delete $INC{"cf.pm"};	3736	delete $INC{"cf.pm"};
3532	delete $INC{"cf/pod.pm"};	3737	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3533		3738
3534	# don't, removes xs symbols, too,	3739	# don't, removes xs symbols, too,
3535	# and global variables created in xs	3740	# and global variables created in xs
3536	#Symbol::delete_package __PACKAGE__;	3741	#clear_package __PACKAGE__;
3537		3742
3538	warn "unload completed, starting to reload now";	3743	warn "unload completed, starting to reload now";
3539		3744
3540	warn "reloading cf.pm";	3745	warn "reloading cf.pm";
3541	require cf;	3746	require cf;
3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3747	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3543		3748
3544	warn "loading config and database again";	3749	warn "loading config and database again";
3545	cf::reload_config;	3750	cf::reload_config;
3546		3751
3547	warn "loading extensions";	3752	warn "loading extensions";
3548	cf::load_extensions;	3753	cf::load_extensions;
3549		3754
		3755	if ($REATTACH_ON_RELOAD) {
3550	warn "reattaching attachments to objects/players";	3756	warn "reattaching attachments to objects/players";
3551	_global_reattach; # objects, sockets	3757	_global_reattach; # objects, sockets
3552	warn "reattaching attachments to maps";	3758	warn "reattaching attachments to maps";
3553	reattach $_ for values %MAP;	3759	reattach $_ for values %MAP;
3554	warn "reattaching attachments to players";	3760	warn "reattaching attachments to players";
3555	reattach $_ for values %PLAYER;	3761	reattach $_ for values %PLAYER;
		3762	}
3556		3763
		3764	warn "running post_init jobs";
		3765	(pop @POST_INIT)->(1) while @POST_INIT;
		3766
3557	warn "leaving sync_job";	3767	warn "leaving sync_job";
3558		3768
3559	1	3769	1
3560	} or do {	3770	} or do {
3561	warn $@;	3771	warn $@;
3562	cf::cleanup "error while reloading, exiting.";	3772	cf::cleanup "error while reloading, exiting.";
3563	};	3773	};
3564		3774
3565	warn "reloaded";	3775	warn "reloaded";
		3776	--$RELOAD;
		3777	}
		3778
		3779	$t1 = EV::time - $t1;
		3780	warn "reload completed in ${t1}s\n";
3566	};	3781	};
3567		3782
3568	our $RELOAD_WATCHER; # used only during reload	3783	our $RELOAD_WATCHER; # used only during reload
3569		3784
3570	sub reload_perl() {	3785	sub reload_perl() {
3571	# doing reload synchronously and two reloads happen back-to-back,	3786	# doing reload synchronously and two reloads happen back-to-back,
3572	# coro crashes during coro_state_free->destroy here.	3787	# coro crashes during coro_state_free->destroy here.
3573		3788
		3789	$RELOAD_WATCHER ||= cf::async {
		3790	Coro::AIO::aio_wait cache_extensions;
		3791
3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3792	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3575	do_reload_perl;	3793	do_reload_perl;
3576	undef $RELOAD_WATCHER;	3794	undef $RELOAD_WATCHER;
		3795	};
3577	};	3796	};
3578	}	3797	}
3579		3798
3580	register_command "reload" => sub {	3799	register_command "reload" => sub {
3581	my ($who, $arg) = @_;	3800	my ($who, $arg) = @_;
…		…
3595		3814
3596	our @WAIT_FOR_TICK;	3815	our @WAIT_FOR_TICK;
3597	our @WAIT_FOR_TICK_BEGIN;	3816	our @WAIT_FOR_TICK_BEGIN;
3598		3817
3599	sub wait_for_tick {	3818	sub wait_for_tick {
3600	return unless $TICK_WATCHER->is_active;
3601	return if $Coro::current == $Coro::main;	3819	return if tick_inhibit || $Coro::current == $Coro::main;
3602		3820
3603	my $signal = new Coro::Signal;	3821	my $signal = new Coro::Signal;
3604	push @WAIT_FOR_TICK, $signal;	3822	push @WAIT_FOR_TICK, $signal;
3605	$signal->wait;	3823	$signal->wait;
3606	}	3824	}
3607		3825
3608	sub wait_for_tick_begin {	3826	sub wait_for_tick_begin {
3609	return unless $TICK_WATCHER->is_active;
3610	return if $Coro::current == $Coro::main;	3827	return if tick_inhibit || $Coro::current == $Coro::main;
3611		3828
3612	my $signal = new Coro::Signal;	3829	my $signal = new Coro::Signal;
3613	push @WAIT_FOR_TICK_BEGIN, $signal;	3830	push @WAIT_FOR_TICK_BEGIN, $signal;
3614	$signal->wait;	3831	$signal->wait;
3615	}	3832	}
3616		3833
3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3834	sub tick {
3618	if ($Coro::current != $Coro::main) {	3835	if ($Coro::current != $Coro::main) {
3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3836	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3620	unless ++$bug_warning > 10;	3837	unless ++$bug_warning > 10;
3621	return;	3838	return;
3622	}	3839	}
3623		3840
3624	$NOW = $tick_start = EV::now;
3625
3626	cf::server_tick; # one server iteration	3841	cf::server_tick; # one server iteration
3627
3628	$RUNTIME += $TICK;
3629	$NEXT_TICK = $_[0]->at;
3630		3842
3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3843	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3844	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3633	Coro::async_pool {	3845	Coro::async_pool {
3634	$Coro::current->{desc} = "runtime saver";	3846	$Coro::current->{desc} = "runtime saver";
3635	write_runtime	3847	write_runtime_sync
3636	or warn "ERROR: unable to write runtime file: $!";	3848	or warn "ERROR: unable to write runtime file: $!";
3637	};	3849	};
3638	}	3850	}
3639		3851
3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3642	}	3854	}
3643	while (my $sig = shift @WAIT_FOR_TICK) {	3855	while (my $sig = shift @WAIT_FOR_TICK) {
3644	$sig->send;	3856	$sig->send;
3645	}	3857	}
3646		3858
3647	$LOAD = ($NOW - $tick_start) / $TICK;	3859	$LOAD = ($NOW - $TICK_START) / $TICK;
3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3860	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649		3861
3650	_post_tick;	3862	if (0) {
3651	};	3863	if ($NEXT_TICK) {
3652	$TICK_WATCHER->priority (EV::MAXPRI);	3864	my $jitter = $TICK_START - $NEXT_TICK;
		3865	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3866	warn "jitter $JITTER\n";#d#
		3867	}
		3868	}
		3869	}
3653		3870
3654	{	3871	{
3655	# configure BDB	3872	# configure BDB
3656		3873
3657	BDB::min_parallel 8;	3874	BDB::min_parallel 8;
3658	BDB::max_poll_reqs $TICK * 0.1;	3875	BDB::max_poll_reqs $TICK * 0.1;
3659	$Coro::BDB::WATCHER->priority (1);	3876	$AnyEvent::BDB::WATCHER->priority (1);
3660		3877
3661	unless ($DB_ENV) {	3878	unless ($DB_ENV) {
3662	$DB_ENV = BDB::db_env_create;	3879	$DB_ENV = BDB::db_env_create;
3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3880	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3664	| BDB::LOG_AUTOREMOVE, 1);	3881	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3882	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3883	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3884	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3667		3885
3668	cf::sync_job {	3886	cf::sync_job {
3669	eval {	3887	eval {
…		…
3695	{	3913	{
3696	# configure IO::AIO	3914	# configure IO::AIO
3697		3915
3698	IO::AIO::min_parallel 8;	3916	IO::AIO::min_parallel 8;
3699	IO::AIO::max_poll_time $TICK * 0.1;	3917	IO::AIO::max_poll_time $TICK * 0.1;
3700	$Coro::AIO::WATCHER->priority (1);	3918	undef $AnyEvent::AIO::WATCHER;
3701	}	3919	}
3702		3920
3703	my $_log_backtrace;	3921	my $_log_backtrace;
3704		3922
3705	sub _log_backtrace {	3923	sub _log_backtrace {
…		…
3708	$msg =~ s/\n//;	3926	$msg =~ s/\n//;
3709		3927
3710	# limit the # of concurrent backtraces	3928	# limit the # of concurrent backtraces
3711	if ($_log_backtrace < 2) {	3929	if ($_log_backtrace < 2) {
3712	++$_log_backtrace;	3930	++$_log_backtrace;
		3931	my $perl_bt = Carp::longmess $msg;
3713	async {	3932	async {
3714	$Coro::current->{desc} = "abt $msg";	3933	$Coro::current->{desc} = "abt $msg";
3715		3934
3716	my @bt = fork_call {	3935	my @bt = fork_call {
3717	@addr = map { sprintf "%x", $_ } @addr;	3936	@addr = map { sprintf "%x", $_ } @addr;
…		…
3728	}	3947	}
3729		3948
3730	@funcs	3949	@funcs
3731	};	3950	};
3732		3951
3733	LOG llevInfo, "[ABT] $msg\n";	3952	LOG llevInfo, "[ABT] $perl_bt\n";
		3953	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3734	LOG llevInfo, "[ABT] $_\n" for @bt;	3954	LOG llevInfo, "[ABT] $_\n" for @bt;
3735	--$_log_backtrace;	3955	--$_log_backtrace;
3736	};	3956	};
3737	} else {	3957	} else {
3738	LOG llevInfo, "[ABT] $msg\n";	3958	LOG llevInfo, "[ABT] $msg\n";
3739	LOG llevInfo, "[ABT] [suppressed]\n";	3959	LOG llevInfo, "[ABT] [suppressed]\n";
3740	}	3960	}
3741	}	3961	}
3742		3962
3743	# load additional modules	3963	# load additional modules
3744	use cf::pod;	3964	require "cf/$_.pm" for @EXTRA_MODULES;
3745		3965
3746	END { cf::emergency_save }	3966	END { cf::emergency_save }
3747		3967
3748	1	3968	1
3749		3969

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