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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 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;
…		…
1316	my $msg = $@ ? "$v->{path}: $@\n"	1393	my $msg = $@ ? "$v->{path}: $@\n"
1317	: "$v->{base}: extension inactive.\n";	1394	: "$v->{base}: extension inactive.\n";
1318		1395
1319	if (exists $v->{meta}{mandatory}) {	1396	if (exists $v->{meta}{mandatory}) {
1320	warn $msg;	1397	warn $msg;
1321	warn "mandatory extension failed to load, exiting.\n";	1398	cf::cleanup "mandatory extension failed to load, exiting.";
1322	exit 1;
1323	}	1399	}
1324		1400
1325	warn $msg;	1401	warn $msg;
1326	}	1402	}
1327		1403
…		…
1341		1417
1342	=back	1418	=back
1343		1419
1344	=head2 CORE EXTENSIONS	1420	=head2 CORE EXTENSIONS
1345		1421
1346	Functions and methods that extend core crossfire objects.	1422	Functions and methods that extend core deliantra objects.
1347		1423
1348	=cut	1424	=cut
1349		1425
1350	package cf::player;	1426	package cf::player;
1351		1427
…		…
1394		1470
1395	sub exists($) {	1471	sub exists($) {
1396	my ($login) = @_;	1472	my ($login) = @_;
1397		1473
1398	$cf::PLAYER{$login}	1474	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1475	or !aio_stat path $login
1400	}	1476	}
1401		1477
1402	sub find($) {	1478	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1479	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1480	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1492	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1493	or return;
1418		1494
1419	my $pl = cf::player::load_pl $f	1495	my $pl = cf::player::load_pl $f
1420	or return;	1496	or return;
		1497
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1498	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1499	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1500	$cf::PLAYER{$login} = $pl
1424	}	1501	}
1425	}	1502	}
…		…
1435		1512
1436	return if $pl->{deny_save};	1513	return if $pl->{deny_save};
1437		1514
1438	aio_mkdir playerdir $pl, 0770;	1515	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1516	$pl->{last_save} = $cf::RUNTIME;
		1517
		1518	cf::get_slot 0.01;
1440		1519
1441	$pl->save_pl ($path);	1520	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1521	cf::cede_to_tick;
1443	}	1522	}
1444		1523
…		…
1476	my ($pl) = @_;	1555	my ($pl) = @_;
1477		1556
1478	my $name = $pl->ob->name;	1557	my $name = $pl->ob->name;
1479		1558
1480	$pl->{deny_save} = 1;	1559	$pl->{deny_save} = 1;
1481	$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
1482		1561
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1562	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1484	$pl->deactivate;	1563	$pl->deactivate;
		1564	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1565	$pl->ob->check_score;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1566	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1486	$pl->ns->destroy if $pl->ns;	1567	$pl->ns->destroy if $pl->ns;
1487		1568
1488	my $path = playerdir $pl;	1569	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1570	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1528		1609
1529	for my $login (@$dirs) {	1610	for my $login (@$dirs) {
1530	my $path = path $login;	1611	my $path = path $login;
1531		1612
1532	# a .pst is a dead give-away for a valid player	1613	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1614	# if no pst file found, open and chekc for blocked users
		1615	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1616	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1617	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1618	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1619	}
1538		1620
…		…
1569	}	1651	}
1570		1652
1571	\@paths	1653	\@paths
1572	}	1654	}
1573		1655
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1656	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1657
1576	Expand crossfire pod fragments into protocol xml.	1658	Expand deliantra pod fragments into protocol xml.
1577
1578	=cut
1579
1580	use re 'eval';
1581
1582	my $group;
1583	my $interior; $interior = qr{
1584	# match a pod interior sequence sans C<< >>
1585	(?:
1586	\ (.*?)\ (?{ $group = $^N })
1587	| < (??{$interior}) >
1588	)
1589	}x;
1590
1591	sub expand_cfpod {
1592	my ($self, $pod) = @_;
1593
1594	my $xml;
1595
1596	while () {
1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598	$group = $1;
1599
1600	$group =~ s/&/&amp;/g;
1601	$group =~ s/</&lt;/g;
1602
1603	$xml .= $group;
1604	} elsif ($pod =~ m%\G
1605	([BCGHITU])
1606	<
1607	(?:
1608	([^<>]*) (?{ $group = $^N })
1609	| < $interior >
1610	)
1611	>
1612	%gcsx
1613	) {
1614	my ($code, $data) = ($1, $group);
1615
1616	if ($code eq "B") {
1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618	} elsif ($code eq "I") {
1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620	} elsif ($code eq "U") {
1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622	} elsif ($code eq "C") {
1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624	} elsif ($code eq "T") {
1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626	} elsif ($code eq "G") {
1627	my ($male, $female) = split /\|/, $data;
1628	$data = $self->gender ? $female : $male;
1629	$xml .= expand_cfpod ($self, $data);
1630	} elsif ($code eq "H") {
1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633	"")
1634	[$self->{hintmode}];
1635	} else {
1636	$xml .= "error processing '$code($data)' directive";
1637	}
1638	} else {
1639	if ($pod =~ /\G(.+)/) {
1640	warn "parse error while expanding $pod (at $1)";
1641	}
1642	last;
1643	}
1644	}
1645
1646	for ($xml) {
1647	# create single paragraphs (very hackish)
1648	s/(?<=\S)\n(?=\w)/ /g;
1649
1650	# compress some whitespace
1651	s/\s+\n/\n/g; # ws line-ends
1652	s/\n\n+/\n/g; # double lines
1653	s/^\n+//; # beginning lines
1654	s/\n+$//; # ending lines
1655	}
1656
1657	$xml
1658	}
1659
1660	no re 'eval';
1661
1662	sub hintmode {
1663	$_[0]{hintmode} = $_[1] if @_ > 1;
1664	$_[0]{hintmode}
1665	}
1666		1659
1667	=item $player->ext_reply ($msgid, @msg)	1660	=item $player->ext_reply ($msgid, @msg)
1668		1661
1669	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1670		1663
…		…
1737	our $MAX_RESET = 3600;	1730	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1731	our $DEFAULT_RESET = 3000;
1739		1732
1740	sub generate_random_map {	1733	sub generate_random_map {
1741	my ($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
1742	# mit "rum" bekleckern, nicht	1738	# mit "rum" bekleckern, nicht
1743	$self->_create_random_map (	1739	$self->_create_random_map (
1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1740	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1741	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1742	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1868		1864
1869	# the temporary/swap location	1865	# the temporary/swap location
1870	sub save_path {	1866	sub save_path {
1871	my ($self) = @_;	1867	my ($self) = @_;
1872		1868
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	1870	"$TMPDIR/$path.map"
1875	}	1871	}
1876		1872
1877	# the unique path, undef == no special unique path	1873	# the unique path, undef == no special unique path
1878	sub uniq_path {	1874	sub uniq_path {
1879	my ($self) = @_;	1875	my ($self) = @_;
1880		1876
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1877	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	1878	"$UNIQUEDIR/$path"
1883	}
1884
1885	# and all this just because we cannot iterate over
1886	# all maps in C++...
1887	sub change_all_map_light {
1888	my ($change) = @_;
1889
1890	$_->change_map_light ($change)
1891	for grep $_->outdoor, values %cf::MAP;
1892	}	1879	}
1893		1880
1894	sub decay_objects {	1881	sub decay_objects {
1895	my ($self) = @_;	1882	my ($self) = @_;
1896		1883
…		…
1980	sub find {	1967	sub find {
1981	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1982		1969
1983	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1984		1971
1985	cf::lock_wait "map_data:$path";#d#remove	1972	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
1987		1974
1988	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1989	my $guard1 = cf::lock_acquire "map_find:$path";
1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1991
1992	my $map = new_from_path cf::map $path	1976	my $map = new_from_path cf::map $path
1993	or return;	1977	or return;
1994		1978
1995	$map->{last_save} = $cf::RUNTIME;	1979	$map->{last_save} = $cf::RUNTIME;
1996		1980
…		…
1998	or return;	1982	or return;
1999		1983
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1984	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	1985	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	1986	#$cf::WAIT_FOR_TICK->wait;
		1987	undef $guard2;
2003	undef $guard1;	1988	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	1989	$map->reset;
2006	return find $path;	1990	return find $path;
2007	}	1991	}
2008		1992
2009	$cf::MAP{$path} = $map	1993	$cf::MAP{$path} = $map
…		…
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2020	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2021	$f->skip_block;
2038	$self->_load_objects ($f)	2022	$self->_load_objects ($f)
2039	or return;	2023	or return;
2040		2024
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2025	$self->post_load_original
2042	if delete $self->{load_original};	2026	if delete $self->{load_original};
2043		2027
2044	if (my $uniq = $self->uniq_path) {	2028	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2029	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2030	unless (aio_stat $uniq) {
…		…
2064	unless ($self->{deny_activate}) {	2048	unless ($self->{deny_activate}) {
2065	$self->decay_objects;	2049	$self->decay_objects;
2066	$self->fix_auto_apply;	2050	$self->fix_auto_apply;
2067	$self->update_buttons;	2051	$self->update_buttons;
2068	cf::cede_to_tick;	2052	cf::cede_to_tick;
2069	$self->set_darkness_map;
2070	cf::cede_to_tick;
2071	$self->activate;	2053	$self->activate;
2072	}	2054	}
2073		2055
2074	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2057	$self->last_access ($cf::RUNTIME);
2076		2058
2077	$self->in_memory (cf::MAP_IN_MEMORY);	2059	$self->in_memory (cf::MAP_ACTIVE);
2078	}	2060	}
2079		2061
2080	$self->post_load;	2062	$self->post_load;
2081	}	2063	}
2082		2064
…		…
2140	my ($path, $origin, $load) = @_;	2122	my ($path, $origin, $load) = @_;
2141		2123
2142	$path = normalise $path, $origin && $origin->{path};	2124	$path = normalise $path, $origin && $origin->{path};
2143		2125
2144	if (my $map = $cf::MAP{$path}) {	2126	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2127	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2146	}	2128	}
2147		2129
2148	$MAP_PREFETCH{$path} |= $load;	2130	$MAP_PREFETCH{$path} |= $load;
2149		2131
2150	$MAP_PREFETCHER ||= cf::async {	2132	$MAP_PREFETCHER ||= cf::async {
…		…
2187	cf::async {	2169	cf::async {
2188	$Coro::current->{desc} = "map player save";	2170	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2171	$_->contr->save for $self->players;
2190	};	2172	};
2191		2173
		2174	cf::get_slot 0.02;
		2175
2192	if ($uniq) {	2176	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2178	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2179	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2204	$self->save;	2188	$self->save;
2205		2189
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2191
2208	return if $self->players;	2192	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2193	return if $self->in_memory != cf::MAP_ACTIVE;
2210	return if $self->{deny_save};	2194	return if $self->{deny_save};
2211		2195
2212	$self->in_memory (cf::MAP_SWAPPED);	2196	$self->in_memory (cf::MAP_SWAPPED);
2213		2197
2214	$self->deactivate;	2198	$self->deactivate;
…		…
2332		2316
2333	sub unique_maps() {	2317	sub unique_maps() {
2334	[	2318	[
2335	map {	2319	map {
2336	utf8::decode $_;	2320	utf8::decode $_;
2337	/\.map$/	2321	s/\.map$//; # TODO future compatibility hack
		2322	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2323	? ()
2338	? normalise $_	2324	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2325	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2326	]
2342	}	2327	}
2343		2328
2344	package cf;
2345
2346	=back	2329	=back
2347		2330
2348	=head3 cf::object	2331	=head3 cf::object
2349		2332
2350	=cut	2333	=cut
…		…
2353		2336
2354	=over 4	2337	=over 4
2355		2338
2356	=item $ob->inv_recursive	2339	=item $ob->inv_recursive
2357		2340
2358	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.
2359		2343
2360	=cut	2344	=cut
2361		2345
2362	sub inv_recursive_;	2346	sub inv_recursive_;
2363	sub inv_recursive_ {	2347	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2352	inv_recursive_ inv $_[0]
2369	}	2353	}
2370		2354
2371	=item $ref = $ob->ref	2355	=item $ref = $ob->ref
2372		2356
2373	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.
2374		2358
2375	=item $ob = cf::object::deref ($refstring)	2359	=item $ob = cf::object::deref ($refstring)
2376		2360
2377	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,
2378	even if the object actually exists. May block.	2362	even if the object actually exists. May block.
…		…
2410	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
2411	dialogue with the given NPC character.	2395	dialogue with the given NPC character.
2412		2396
2413	=cut	2397	=cut
2414		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
2415	# rough implementation of a future "reply" method that works	2413	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2414	# with dialog boxes.
2417	#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
2418	sub cf::object::player::reply($$$;$) {	2416	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2417	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2428	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2429	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2430
2433	} else {	2431	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2432	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2433	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2434	}
2437	}	2435	}
2438	}	2436	}
2439		2437
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2438	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2463
2466	=item $player_object->enter_link	2464	=item $player_object->enter_link
2467		2465
2468	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}>).
2469		2467
2470	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.
2471	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.
2472		2472
2473	Will never block.	2473	Will never block.
2474		2474
2475	=item $player_object->leave_link ($map, $x, $y)	2475	=item $player_object->leave_link ($map, $x, $y)
2476		2476
…		…
2534		2534
2535	$map->load;	2535	$map->load;
2536	$map->load_neighbours;	2536	$map->load_neighbours;
2537		2537
2538	return unless $self->contr->active;	2538	return unless $self->contr->active;
		2539	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2539	$self->activate_recursive;	2540	$self->activate_recursive;
2540		2541
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2542	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2543	$self->enter_map ($map, $x, $y);
2543	}	2544	}
…		…
2547	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
2548	her, loading and preparing them map, calling the provided $check callback	2549	her, loading and preparing them map, calling the provided $check callback
2549	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
2550	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
2551	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 >>.
2552		2556
2553	=cut	2557	=cut
2554		2558
2555	our $GOTOGEN;	2559	our $GOTOGEN;
2556		2560
…		…
2635	}	2639	}
2636		2640
2637	sub prepare_random_map {	2641	sub prepare_random_map {
2638	my ($exit) = @_;	2642	my ($exit) = @_;
2639		2643
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2644	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2645	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2646	# that depends on the exit object
2645		2647
2646	my $rmp = parse_random_map_params $exit->msg;	2648	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2650	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2651	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2652	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2653	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2654	$rmp->{origin_y} = $exit->y;
		2655
		2656	$exit->map->touch;
2653	}	2657	}
2654		2658
2655	$rmp->{random_seed} ||= $exit->random_seed;	2659	$rmp->{random_seed} ||= $exit->random_seed;
2656		2660
2657	my $data = cf::encode_json $rmp;	2661	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2662	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2663	my $meta = "$RANDOMDIR/$md5.meta";
2660		2664
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2665	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2666	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2667	undef $fh;
2664	aio_rename "$meta~", $meta;	2668	aio_rename "$meta~", $meta;
2665		2669
		2670	my $slaying = "?random/$md5";
		2671
		2672	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2673	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2674	$exit->msg (undef);
		2675	}
2668	}	2676	}
2669	}	2677	}
2670		2678
2671	sub cf::object::player::enter_exit {	2679	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2680	my ($self, $exit) = @_;
2673		2681
2674	return unless $self->type == cf::PLAYER;	2682	return unless $self->type == cf::PLAYER;
2675		2683
2676	if ($exit->slaying eq "/!") {
2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
2678	# the problem is that $exit might not survive long enough
2679	# so it needs to be done right now, right here
2680	cf::sync_job { prepare_random_map $exit };
2681	}
2682
2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684	my $hp = $exit->stats->hp;
2685	my $sp = $exit->stats->sp;
2686
2687	$self->enter_link;	2684	$self->enter_link;
2688		2685
2689	# if exit is damned, update players death & WoR home-position
2690	$self->contr->savebed ($slaying, $hp, $sp)
2691	if $exit->flag (FLAG_DAMNED);
2692
2693	(async {	2686	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2687	$Coro::current->{desc} = "enter_exit";
2695		2688
2696	$self->deactivate_recursive; # just to be sure
2697	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
2698	$self->goto ($slaying, $hp, $sp);	2704	$self->goto ($map, $x, $y);
2699		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
2700	1;	2710	1
2701	}) {	2711	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	2712	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "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. "
2704	. "Please report this to the dungeon master!",	2714	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	2715	cf::NDI_UNIQUE | cf::NDI_RED);
2706		2716
2707	warn "ERROR in enter_exit: $@";	2717	warn "ERROR in enter_exit: $@";
…		…
2773	id => "infobox",	2783	id => "infobox",
2774	title => "Body Parts",	2784	title => "Body Parts",
2775	reply => undef,	2785	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	2786	tooltip => "Shows which body parts you posess and are available",
2777	},	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	},
2778	"c/uptime" => {	2824	"c/uptime" => {
2779	id => "infobox",	2825	id => "infobox",
2780	title => "Uptime",	2826	title => "Uptime",
2781	reply => undef,	2827	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	2828	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	2831	id => "infobox",
2786	title => "Map Info",	2832	title => "Map Info",
2787	reply => undef,	2833	reply => undef,
2788	tooltip => "Information related to the maps",	2834	tooltip => "Information related to the maps",
2789	},	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" => $CHAT_CHANNEL,
2790	);	2850	);
2791		2851
2792	sub cf::client::send_msg {	2852	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	2853	my ($self, $channel, $msg, $color, @extra) = @_;
2794		2854
2795	$msg = $self->pl->expand_cfpod ($msg);	2855	$msg = $self->pl->expand_cfpod ($msg)
		2856	unless $color & cf::NDI_VERBATIM;
2796		2857
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	2858	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		2859
2799	# check predefined channels, for the benefit of C	2860	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	2861	if ($CHANNEL{$channel}) {
2801	$channel = $CHANNEL{$channel};	2862	$channel = $CHANNEL{$channel};
2802		2863
2803	$self->ext_msg (channel_info => $channel)	2864	$self->ext_msg (channel_info => $channel);
2804	if $self->can_msg;
2805
2806	$channel = $channel->{id};	2865	$channel = $channel->{id};
2807		2866
2808	} elsif (ref $channel) {	2867	} elsif (ref $channel) {
2809	# send meta info to client, if not yet sent	2868	# send meta info to client, if not yet sent
2810	unless (exists $self->{channel}{$channel->{id}}) {	2869	unless (exists $self->{channel}{$channel->{id}}) {
2811	$self->{channel}{$channel->{id}} = $channel;	2870	$self->{channel}{$channel->{id}} = $channel;
2812	$self->ext_msg (channel_info => $channel)	2871	$self->ext_msg (channel_info => $channel);
2813	if $self->can_msg;
2814	}	2872	}
2815		2873
2816	$channel = $channel->{id};	2874	$channel = $channel->{id};
2817	}	2875	}
2818		2876
2819	return unless @extra || length $msg;	2877	return unless @extra || length $msg;
2820		2878
2821	if ($self->can_msg) {
2822	# default colour, mask it out	2879	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2880	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	2881	if $color & cf::NDI_DEF;
2825		2882
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	2883	my $pkt = "msg "
		2884	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2885	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2828	} else {	2886	);
2829	if ($color >= 0) {
2830	# replace some tags by gcfclient-compatible ones
2831	for ($msg) {
2832	1 while
2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838	}
2839		2887
2840	$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};
2841		2891
2842	utf8::encode $msg;	2892	# split very large packets
2843		2893	if (8192 < length $pkt and $self->{can_lzf}) {
2844	if (0 && $msg =~ /\[/) {	2894	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2845	# COMMAND/INFO	2895	$pkt = "frag";
2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
2847	} else {
2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849	$self->send_packet ("drawinfo $color $msg")
2850	}
2851	}
2852	}	2896	}
		2897
		2898	$self->send_packet ($pkt);
2853	}	2899	}
2854		2900
2855	=item $client->ext_msg ($type, @msg)	2901	=item $client->ext_msg ($type, @msg)
2856		2902
2857	Sends an ext event to the client.	2903	Sends an ext event to the client.
…		…
3031		3077
3032	The following functions and methods are available within a safe environment:	3078	The following functions and methods are available within a safe environment:
3033		3079
3034	cf::object	3080	cf::object
3035	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
3036	insert remove name archname title slaying race decrease_ob_nr	3082	insert remove name archname title slaying race decrease split
		3083	value
3037		3084
3038	cf::object::player	3085	cf::object::player
3039	player	3086	player
3040		3087
3041	cf::player	3088	cf::player
…		…
3046		3093
3047	=cut	3094	=cut
3048		3095
3049	for (	3096	for (
3050	["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
3051	insert remove inv name archname title slaying race	3098	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3099	decrease split destroy change_exp value msg lore send_msg)],
3053	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful send_msg)],
3055	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
3056	) {	3103	) {
3057	no strict 'refs';	3104	no strict 'refs';
3058	my ($pkg, @funs) = @$_;	3105	my ($pkg, @funs) = @$_;
3059	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3076	my ($code, %vars) = @_;	3123	my ($code, %vars) = @_;
3077		3124
3078	my $qcode = $code;	3125	my $qcode = $code;
3079	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3080	$qcode =~ s/\n/\\n/g;	3127	$qcode =~ s/\n/\\n/g;
		3128
		3129	%vars = (_dummy => 0) unless %vars;
3081		3130
3082	local $_;	3131	local $_;
3083	local @safe::cf::_safe_eval_args = values %vars;	3132	local @safe::cf::_safe_eval_args = values %vars;
3084		3133
3085	my $eval =	3134	my $eval =
…		…
3265	while (my ($k, $v) = each %$want) {	3314	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3315	$ns->fx_want ($k, $v);
3267	}	3316	}
3268	};	3317	};
3269		3318
		3319	sub load_resource_file($) {
		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	$status
		3327	}
		3328
3270	sub reload_regions {	3329	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3330	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3331	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3332	%ext::player_env::MUSIC_FACE_CACHE = ();
3274		3333
…		…
3287	}	3346	}
3288		3347
3289	sub reload_archetypes {	3348	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3349	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3350	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3351	}
3298		3352
3299	sub reload_treasures {	3353	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3354	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3355	or die "unable to load treasurelists\n";
3302	}	3356	}
3303		3357
3304	sub reload_resources {	3358	sub reload_resources {
3305	warn "reloading resource files...\n";	3359	warn "reloading resource files...\n";
3306		3360
		3361	reload_facedata;
		3362	reload_archetypes;
3307	reload_regions;	3363	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3364	reload_treasures;
3312		3365
3313	warn "finished reloading resource files\n";	3366	warn "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3367	}
3319		3368
3320	sub reload_config {	3369	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3370	open my $fh, "<:utf8", "$CONFDIR/config"
3322	or return;	3371	or return;
…		…
3336	};	3385	};
3337	warn $@ if $@;	3386	warn $@ if $@;
3338	}	3387	}
3339	}	3388	}
3340		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
3341	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
3342	# we must not ever block the main coroutine	3433	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3434	local $Coro::idle = sub {
3344	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#
3345	(async {	3436	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3437	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3438	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3439	})->prio (Coro::PRIO_MAX);
3349	};	3440	};
3350		3441
		3442	evthread_start IO::AIO::poll_fileno;
		3443
		3444	cf::sync_job {
		3445	reload_resources;
3351	reload_config;	3446	reload_config;
3352	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
3353	load_extensions;	3460	load_extensions;
3354		3461
3355	$TICK_WATCHER->start;	3462	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3463
3357	EV::loop;	3464	# no (long-running) fork's whatsoever before this point(!)
		3465	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3466
		3467	(pop @POST_INIT)->(0) while @POST_INIT;
		3468	};
		3469
		3470	main_loop;
3358	}	3471	}
3359		3472
3360	#############################################################################	3473	#############################################################################
3361	# initialisation and cleanup	3474	# initialisation and cleanup
3362		3475
…		…
3368	cf::cleanup "SIG$signal";	3481	cf::cleanup "SIG$signal";
3369	};	3482	};
3370	}	3483	}
3371	}	3484	}
3372		3485
3373	sub write_runtime {	3486	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";
3375
3376	# first touch the runtime file to show we are still running:	3487	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3488	# the fsync below can take a very very long time.
3378		3489
3379	IO::AIO::aio_utime $runtime, undef, undef;	3490	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3491
3381	my $guard = cf::lock_acquire "write_runtime";	3492	my $guard = cf::lock_acquire "write_runtime";
3382		3493
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3494	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3384	or return;	3495	or return;
3385		3496
3386	my $value = $cf::RUNTIME + 90 + 10;	3497	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3498	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3499	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3509	aio_utime $fh, undef, undef;
3399		3510
3400	close $fh	3511	close $fh
3401	or return;	3512	or return;
3402		3513
3403	aio_rename "$runtime~", $runtime	3514	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3515	and return;
3405		3516
3406	warn "runtime file written.\n";	3517	warn "runtime file written.\n";
3407		3518
3408	1	3519	1
		3520	}
		3521
		3522	our $uuid_lock;
		3523	our $uuid_skip;
		3524
		3525	sub write_uuid_sync($) {
		3526	$uuid_skip ||= $_[0];
		3527
		3528	return if $uuid_lock;
		3529	local $uuid_lock = 1;
		3530
		3531	my $uuid = "$LOCALDIR/uuid";
		3532
		3533	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3534	or return;
		3535
		3536	my $value = uuid_seq uuid_cur;
		3537
		3538	unless ($value) {
		3539	warn "cowardly refusing to write zero uuid value!\n";
		3540	return;
		3541	}
		3542
		3543	my $value = uuid_str $value + $uuid_skip;
		3544	$uuid_skip = 0;
		3545
		3546	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3547	and return;
		3548
		3549	# always fsync - this file is important
		3550	aio_fsync $fh
		3551	and return;
		3552
		3553	close $fh
		3554	or return;
		3555
		3556	aio_rename "$uuid~", $uuid
		3557	and return;
		3558
		3559	warn "uuid file written ($value).\n";
		3560
		3561	1
		3562
		3563	}
		3564
		3565	sub write_uuid($$) {
		3566	my ($skip, $sync) = @_;
		3567
		3568	$sync ? write_uuid_sync $skip
		3569	: async { write_uuid_sync $skip };
3409	}	3570	}
3410		3571
3411	sub emergency_save() {	3572	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3573	my $freeze_guard = cf::freeze_mainloop;
3413		3574
3414	warn "enter emergency perl save\n";	3575	warn "emergency_perl_save: enter\n";
3415		3576
3416	cf::sync_job {	3577	cf::sync_job {
		3578	# this is a trade-off: we want to be very quick here, so
		3579	# save all maps without fsync, and later call a global sync
		3580	# (which in turn might be very very slow)
		3581	local $USE_FSYNC = 0;
		3582
3417	# use a peculiar iteration method to avoid tripping on perl	3583	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3584	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3585	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3586	warn "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3587	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3588	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3589	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3590	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3591	$pl->save;
3426	}	3592	}
3427	warn "end emergency player save\n";	3593	warn "emergency_perl_save: end player save\n";
3428		3594
3429	warn "begin emergency map save\n";	3595	warn "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3596	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3597	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3598	$map->valid or next;
3433	$map->save;	3599	$map->save;
3434	}	3600	}
3435	warn "end emergency map save\n";	3601	warn "emergency_perl_save: end map save\n";
3436		3602
3437	warn "begin emergency database checkpoint\n";	3603	warn "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3604	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3605	warn "emergency_perl_save: end database checkpoint\n";
		3606
		3607	warn "emergency_perl_save: begin write uuid\n";
		3608	write_uuid_sync 1;
		3609	warn "emergency_perl_save: end write uuid\n";
3440	};	3610	};
3441		3611
		3612	warn "emergency_perl_save: starting sync()\n";
		3613	IO::AIO::aio_sync sub {
		3614	warn "emergency_perl_save: finished sync()\n";
		3615	};
		3616
3442	warn "leave emergency perl save\n";	3617	warn "emergency_perl_save: leave\n";
3443	}	3618	}
3444		3619
3445	sub post_cleanup {	3620	sub post_cleanup {
3446	my ($make_core) = @_;	3621	my ($make_core) = @_;
3447		3622
3448	warn Carp::longmess "post_cleanup backtrace"	3623	warn Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3624	if $make_core;
		3625
		3626	my $fh = pidfile;
		3627	unlink $PIDFILE if <$fh> == $$;
		3628	}
		3629
		3630	# a safer delete_package, copied from Symbol
		3631	sub clear_package($) {
		3632	my $pkg = shift;
		3633
		3634	# expand to full symbol table name if needed
		3635	unless ($pkg =~ /^main::.*::$/) {
		3636	$pkg = "main$pkg" if $pkg =~ /^::/;
		3637	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3638	$pkg .= '::' unless $pkg =~ /::$/;
		3639	}
		3640
		3641	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3642	my $stem_symtab = *{$stem}{HASH};
		3643
		3644	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3645	or return;
		3646
		3647	# clear all symbols
		3648	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3649	for my $name (keys %$leaf_symtab) {
		3650	_gv_clear *{"$pkg$name"};
		3651	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3652	}
		3653	warn "cleared package $pkg\n";#d#
3450	}	3654	}
3451		3655
3452	sub do_reload_perl() {	3656	sub do_reload_perl() {
3453	# can/must only be called in main	3657	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	3658	if ($Coro::current != $Coro::main) {
3455	warn "can only reload from main coroutine";	3659	warn "can only reload from main coroutine";
3456	return;	3660	return;
3457	}	3661	}
3458		3662
		3663	return if $RELOAD++;
		3664
		3665	my $t1 = EV::time;
		3666
		3667	while ($RELOAD) {
3459	warn "reloading...";	3668	warn "reloading...";
3460		3669
3461	warn "entering sync_job";	3670	warn "entering sync_job";
3462		3671
3463	cf::sync_job {	3672	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark	3673	cf::write_runtime_sync; # external watchdog should not bark
3465	cf::emergency_save;	3674	cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark	3675	cf::write_runtime_sync; # external watchdog should not bark
3467		3676
3468	warn "syncing database to disk";	3677	warn "syncing database to disk";
3469	BDB::db_env_txn_checkpoint $DB_ENV;	3678	BDB::db_env_txn_checkpoint $DB_ENV;
3470		3679
3471	# if anything goes wrong in here, we should simply crash as we already saved	3680	# if anything goes wrong in here, we should simply crash as we already saved
3472		3681
3473	warn "flushing outstanding aio requests";	3682	warn "flushing outstanding aio requests";
3474	for (;;) {
3475	BDB::flush;
3476	IO::AIO::flush;
3477	Coro::cede_notself;
3478	last unless IO::AIO::nreqs || BDB::nreqs;	3683	while (IO::AIO::nreqs || BDB::nreqs) {
3479	warn "iterate...";	3684	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3480	}
3481
3482	++$RELOAD;
3483
3484	warn "cancelling all extension coros";
3485	$_->cancel for values %EXT_CORO;
3486	%EXT_CORO = ();
3487
3488	warn "removing commands";
3489	%COMMAND = ();
3490
3491	warn "removing ext/exti commands";
3492	%EXTCMD = ();
3493	%EXTICMD = ();
3494
3495	warn "unloading/nuking all extensions";
3496	for my $pkg (@EXTS) {
3497	warn "... unloading $pkg";
3498
3499	if (my $cb = $pkg->can ("unload")) {
3500	eval {
3501	$cb->($pkg);
3502	1
3503	} or warn "$pkg unloaded, but with errors: $@";
3504	}	3685	}
3505		3686
3506	warn "... nuking $pkg";	3687	warn "cancelling all extension coros";
3507	Symbol::delete_package $pkg;	3688	$_->cancel for values %EXT_CORO;
3508	}	3689	%EXT_CORO = ();
3509		3690
3510	warn "unloading all perl modules loaded from $LIBDIR";	3691	warn "removing commands";
3511	while (my ($k, $v) = each %INC) {	3692	%COMMAND = ();
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		3693
		3694	warn "removing ext/exti commands";
		3695	%EXTCMD = ();
		3696	%EXTICMD = ();
		3697
		3698	warn "unloading/nuking all extensions";
		3699	for my $pkg (@EXTS) {
3514	warn "... unloading $k";	3700	warn "... unloading $pkg";
3515	delete $INC{$k};
3516		3701
3517	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;
3519
3520	if (my $cb = $k->can ("unload_module")) {	3702	if (my $cb = $pkg->can ("unload")) {
		3703	eval {
3521	$cb->();	3704	$cb->($pkg);
		3705	1
		3706	} or warn "$pkg unloaded, but with errors: $@";
		3707	}
		3708
		3709	warn "... clearing $pkg";
		3710	clear_package $pkg;
3522	}	3711	}
3523		3712
3524	Symbol::delete_package $k;	3713	warn "unloading all perl modules loaded from $LIBDIR";
		3714	while (my ($k, $v) = each %INC) {
		3715	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3716
		3717	warn "... unloading $k";
		3718	delete $INC{$k};
		3719
		3720	$k =~ s/\.pm$//;
		3721	$k =~ s/\//::/g;
		3722
		3723	if (my $cb = $k->can ("unload_module")) {
		3724	$cb->();
		3725	}
		3726
		3727	clear_package $k;
3525	}	3728	}
3526		3729
3527	warn "getting rid of safe::, as good as possible";	3730	warn "getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	3731	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3732	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		3733
3531	warn "unloading cf.pm \"a bit\"";	3734	warn "unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	3735	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	3736	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3534		3737
3535	# don't, removes xs symbols, too,	3738	# don't, removes xs symbols, too,
3536	# and global variables created in xs	3739	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	3740	#clear_package __PACKAGE__;
3538		3741
3539	warn "unload completed, starting to reload now";	3742	warn "unload completed, starting to reload now";
3540		3743
3541	warn "reloading cf.pm";	3744	warn "reloading cf.pm";
3542	require cf;	3745	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3746	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3544		3747
3545	warn "loading config and database again";	3748	warn "loading config and database again";
3546	cf::reload_config;	3749	cf::reload_config;
3547		3750
3548	warn "loading extensions";	3751	warn "loading extensions";
3549	cf::load_extensions;	3752	cf::load_extensions;
3550		3753
		3754	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	3755	warn "reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	3756	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	3757	warn "reattaching attachments to maps";
3554	reattach $_ for values %MAP;	3758	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	3759	warn "reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	3760	reattach $_ for values %PLAYER;
		3761	}
3557		3762
		3763	warn "running post_init jobs";
		3764	(pop @POST_INIT)->(1) while @POST_INIT;
		3765
3558	warn "leaving sync_job";	3766	warn "leaving sync_job";
3559		3767
3560	1	3768	1
3561	} or do {	3769	} or do {
3562	warn $@;	3770	warn $@;
3563	warn "error while reloading, exiting.";	3771	cf::cleanup "error while reloading, exiting.";
3564	exit 1;
3565	};	3772	};
3566		3773
3567	warn "reloaded";	3774	warn "reloaded";
		3775	--$RELOAD;
		3776	}
		3777
		3778	$t1 = EV::time - $t1;
		3779	warn "reload completed in ${t1}s\n";
3568	};	3780	};
3569		3781
3570	our $RELOAD_WATCHER; # used only during reload	3782	our $RELOAD_WATCHER; # used only during reload
3571		3783
3572	sub reload_perl() {	3784	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	3785	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	3786	# coro crashes during coro_state_free->destroy here.
3575		3787
		3788	$RELOAD_WATCHER ||= cf::async {
		3789	Coro::AIO::aio_wait cache_extensions;
		3790
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3791	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	3792	do_reload_perl;
3578	undef $RELOAD_WATCHER;	3793	undef $RELOAD_WATCHER;
		3794	};
3579	};	3795	};
3580	}	3796	}
3581		3797
3582	register_command "reload" => sub {	3798	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	3799	my ($who, $arg) = @_;
…		…
3597		3813
3598	our @WAIT_FOR_TICK;	3814	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;	3815	our @WAIT_FOR_TICK_BEGIN;
3600		3816
3601	sub wait_for_tick {	3817	sub wait_for_tick {
3602	return unless $TICK_WATCHER->is_active;
3603	return if $Coro::current == $Coro::main;	3818	return if tick_inhibit || $Coro::current == $Coro::main;
3604		3819
3605	my $signal = new Coro::Signal;	3820	my $signal = new Coro::Signal;
3606	push @WAIT_FOR_TICK, $signal;	3821	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;	3822	$signal->wait;
3608	}	3823	}
3609		3824
3610	sub wait_for_tick_begin {	3825	sub wait_for_tick_begin {
3611	return unless $TICK_WATCHER->is_active;
3612	return if $Coro::current == $Coro::main;	3826	return if tick_inhibit || $Coro::current == $Coro::main;
3613		3827
3614	my $signal = new Coro::Signal;	3828	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	3829	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	3830	$signal->wait;
3617	}	3831	}
3618		3832
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3833	sub tick {
3620	if ($Coro::current != $Coro::main) {	3834	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3835	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	3836	unless ++$bug_warning > 10;
3623	return;	3837	return;
3624	}	3838	}
3625		3839
3626	$NOW = $tick_start = EV::now;
3627
3628	cf::server_tick; # one server iteration	3840	cf::server_tick; # one server iteration
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		3841
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3842	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3843	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	3844	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	3845	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	3846	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	3847	or warn "ERROR: unable to write runtime file: $!";
3639	};	3848	};
3640	}	3849	}
3641		3850
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3644	}	3853	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	3854	while (my $sig = shift @WAIT_FOR_TICK) {
3646	$sig->send;	3855	$sig->send;
3647	}	3856	}
3648		3857
3649	$LOAD = ($NOW - $tick_start) / $TICK;	3858	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3859	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		3860
3652	_post_tick;	3861	if (0) {
3653	};	3862	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	3863	my $jitter = $TICK_START - $NEXT_TICK;
		3864	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3865	warn "jitter $JITTER\n";#d#
		3866	}
		3867	}
		3868	}
3655		3869
3656	{	3870	{
3657	# configure BDB	3871	# configure BDB
3658		3872
3659	BDB::min_parallel 8;	3873	BDB::min_parallel 8;
3660	BDB::max_poll_reqs $TICK * 0.1;	3874	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	3875	$AnyEvent::BDB::WATCHER->priority (1);
3662		3876
3663	unless ($DB_ENV) {	3877	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	3878	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3879	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	3880	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3881	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3882	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3883	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		3884
3670	cf::sync_job {	3885	cf::sync_job {
3671	eval {	3886	eval {
…		…
3697	{	3912	{
3698	# configure IO::AIO	3913	# configure IO::AIO
3699		3914
3700	IO::AIO::min_parallel 8;	3915	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	3916	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	3917	undef $AnyEvent::AIO::WATCHER;
3703	}	3918	}
3704		3919
3705	my $_log_backtrace;	3920	my $_log_backtrace;
3706		3921
3707	sub _log_backtrace {	3922	sub _log_backtrace {
…		…
3710	$msg =~ s/\n//;	3925	$msg =~ s/\n//;
3711		3926
3712	# limit the # of concurrent backtraces	3927	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	3928	if ($_log_backtrace < 2) {
3714	++$_log_backtrace;	3929	++$_log_backtrace;
		3930	my $perl_bt = Carp::longmess $msg;
3715	async {	3931	async {
3716	$Coro::current->{desc} = "abt $msg";	3932	$Coro::current->{desc} = "abt $msg";
3717		3933
3718	my @bt = fork_call {	3934	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	3935	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	3946	}
3731		3947
3732	@funcs	3948	@funcs
3733	};	3949	};
3734		3950
3735	LOG llevInfo, "[ABT] $msg\n";	3951	LOG llevInfo, "[ABT] $perl_bt\n";
		3952	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	3953	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	3954	--$_log_backtrace;
3738	};	3955	};
3739	} else {	3956	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	3957	LOG llevInfo, "[ABT] $msg\n";
3741	LOG llevInfo, "[ABT] [suppressed]\n";	3958	LOG llevInfo, "[ABT] [suppressed]\n";
3742	}	3959	}
3743	}	3960	}
3744		3961
3745	# load additional modules	3962	# load additional modules
3746	use cf::pod;	3963	require "cf/$_.pm" for @EXTRA_MODULES;
3747		3964
3748	END { cf::emergency_save }	3965	END { cf::emergency_save }
3749		3966
3750	1	3967	1
3751		3968

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