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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 1.459 by root, Sat Dec 13 21:46:12 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
45		76
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		78
48	our %COMMAND = ();	79	our %COMMAND = ();
49	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	83	our %EXTCMD = ();
53	our %EXTICMD = ();	84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
71	our %RESOURCE;	105	our %RESOURCE;
72		106
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	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	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	109	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		111
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
…		…
96	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		129
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		138
103	binmode STDOUT;	139	binmode STDOUT;
104	binmode STDERR;	140	binmode STDERR;
105		141
106	# read virtual server time, if available	142	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
111	}	147	}
112		148
113	mkdir $_	149	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
221	for my $pkg (qw(	257	for my $pkg (qw(
222	cf::global cf::attachable	258	cf::global cf::attachable
223	cf::object cf::object::player	259	cf::object cf::object::player
224	cf::client cf::player	260	cf::client cf::player
225	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
226	cf::map cf::party cf::region	263	cf::party cf::region
227	)) {	264	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	266	}
231		267
232	$EV::DIED = sub {	268	$EV::DIED = sub {
233	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		312
277	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
279		315
		316	=item cf::post_init { BLOCK }
		317
		318	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		319	but I<before> the server starts ticking again.
		320
		321	The cdoeblock will have a single boolean argument to indicate whether this
		322	is a reload or not.
		323
		324	=cut
		325
		326	sub post_init(&) {
		327	push @POST_INIT, shift;
		328	}
		329
280	=item cf::lock_wait $string	330	=item cf::lock_wait $string
281		331
282	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
283		333
284	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
285		335
286	Wait until the given lock is available and then acquires it and returns	336	Wait until the given lock is available and then acquires it and returns
287	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	337	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
288	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
289	returned.	339	returned.
290		340
291	Locks are *not* recursive, locking from the same coro twice results in a	341	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	342	deadlocked coro.
…		…
298		348
299	Return true if the lock is currently active, i.e. somebody has locked it.	349	Return true if the lock is currently active, i.e. somebody has locked it.
300		350
301	=cut	351	=cut
302		352
303	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		354
306	sub lock_wait($) {	355	sub lock_wait($) {
307	my ($key) = @_;	356	$LOCKS->wait ($_[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} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	357	}
320		358
321	sub lock_acquire($) {	359	sub lock_acquire($) {
322	my ($key) = @_;	360	$LOCKS->guard ($_[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	}	361	}
336		362
337	sub lock_active($) {	363	sub lock_active($) {
338	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	365	}
342		366
343	sub freeze_mainloop {	367	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
345		369
346	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	371	}
352		372
353	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
354		374
355	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
410	}	430	}
411	}	431	}
412	};	432	};
413		433
414	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
415	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
416		438
417	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
418	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
419		441
…		…
456	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
458		480
459	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
460		482
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
464		484
465	my $busy = 1;	485	my $busy = 1;
466	my @res;	486	my @res;
467		487
…		…
478	} else {	498	} else {
479	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
480	}	500	}
481	}	501	}
482		502
483	$time = EV::time - $time;	503	my $time = EV::time - $time;
484		504
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	505	$TICK_START += $time; # do not account sync jobs to server load
489		506
490	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
491	} else {	508	} else {
492	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
493		510
…		…
535	reset_signals;	552	reset_signals;
536	&$cb	553	&$cb
537	}, @args;	554	}, @args;
538		555
539	wantarray ? @res : $res[-1]	556	wantarray ? @res : $res[-1]
		557	}
		558
		559	=item $coin = coin_from_name $name
		560
		561	=cut
		562
		563	our %coin_alias = (
		564	"silver" => "silvercoin",
		565	"silvercoin" => "silvercoin",
		566	"silvercoins" => "silvercoin",
		567	"gold" => "goldcoin",
		568	"goldcoin" => "goldcoin",
		569	"goldcoins" => "goldcoin",
		570	"platinum" => "platinacoin",
		571	"platinumcoin" => "platinacoin",
		572	"platinumcoins" => "platinacoin",
		573	"platina" => "platinacoin",
		574	"platinacoin" => "platinacoin",
		575	"platinacoins" => "platinacoin",
		576	"royalty" => "royalty",
		577	"royalties" => "royalty",
		578	);
		579
		580	sub coin_from_name($) {
		581	$coin_alias{$_[0]}
		582	? cf::arch::find $coin_alias{$_[0]}
		583	: undef
540	}	584	}
541		585
542	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
543		587
544	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
683		727
684	#############################################################################	728	#############################################################################
685		729
686	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
687		731
688	Many objects in crossfire are so-called attachable objects. That means you can	732	Many objects in deliantra are so-called attachable objects. That means you can
689	attach callbacks/event handlers (a collection of which is called an "attachment")	733	attach callbacks/event handlers (a collection of which is called an "attachment")
690	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
691		735
692	In the following description, CLASS can be any of C<global>, C<object>	736	In the following description, CLASS can be any of C<global>, C<object>
693	C<player>, C<client> or C<map> (i.e. the attachable objects in	737	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
743	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
744		788
745	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
747		791
748	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
749	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
750		794
751	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
752		796
753	=over 4	797	=over 4
…		…
1044		1088
1045	sub reattach {	1089	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1091	my ($obj) = @_;
1048		1092
		1093	# no longer needed after getting rid of delete_package?
1049	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1094	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1050		1095
1051	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1052		1097
1053	@$registry = ();	1098	@$registry = ();
1054		1099
…		…
1100	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1103		1148
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1108	close $fh;	1153	aio_close $fh;
1109		1154
1110	if (@$objs) {	1155	if (@$objs) {
1111	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1112	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1116	close $fh;	1161	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1163	}
1119	} else {	1164	} else {
1120	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1121	}	1166	}
1122		1167
1123	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1172	} else {
1125	warn "FATAL: $filename~: $!\n";	1173	warn "FATAL: $filename~: $!\n";
1126	}	1174	}
1127	} else {	1175	} else {
1128	aio_unlink $filename;	1176	aio_unlink $filename;
…		…
1221	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1222		1270
1223	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1224	}	1272	}
1225		1273
		1274	use File::Glob ();
		1275
1226	cf::player->attach (	1276	cf::player->attach (
1227	on_command => sub {	1277	on_command => sub {
1228	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1229		1279
1230	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1262		1312
1263	cf::override;	1313	cf::override;
1264	},	1314	},
1265	);	1315	);
1266		1316
		1317	# "readahead" all extensions
		1318	sub cache_extensions {
		1319	my $grp = IO::AIO::aio_group;
		1320
		1321	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1322	for (grep /\.ext$/, @{$_[0]}) {
		1323	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1324	}
		1325	};
		1326
		1327	$grp
		1328	}
		1329
1267	sub load_extensions {	1330	sub load_extensions {
1268	cf::sync_job {	1331	cf::sync_job {
1269	my %todo;	1332	my %todo;
1270		1333
1271	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1290		1353
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1356
1294	$ext{source} =	1357	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1296	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1297	. $source	1360	. $source
1298	. "\n};\n1";	1361	. "\n};\n1";
1299		1362
1300	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1316	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1317	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1318		1381
1319	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1320	warn $msg;	1383	warn $msg;
1321	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1322	exit 1;
1323	}	1385	}
1324		1386
1325	warn $msg;	1387	warn $msg;
1326	}	1388	}
1327		1389
…		…
1341		1403
1342	=back	1404	=back
1343		1405
1344	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1345		1407
1346	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1347		1409
1348	=cut	1410	=cut
1349		1411
1350	package cf::player;	1412	package cf::player;
1351		1413
…		…
1394		1456
1395	sub exists($) {	1457	sub exists($) {
1396	my ($login) = @_;	1458	my ($login) = @_;
1397		1459
1398	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1400	}	1462	}
1401		1463
1402	sub find($) {	1464	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1466	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1479	or return;
1418		1480
1419	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1420	or return;	1482	or return;
		1483
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1424	}	1487	}
1425	}	1488	}
…		…
1435		1498
1436	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1437		1500
1438	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1440		1505
1441	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1507	cf::cede_to_tick;
1443	}	1508	}
1444		1509
…		…
1476	my ($pl) = @_;	1541	my ($pl) = @_;
1477		1542
1478	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1479		1544
1480	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1481	$pl->password ("*"); # this should lock out the player until we nuked the dir	1546	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1482		1547
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1484	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1486	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1487		1554
1488	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1528		1595
1529	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1530	my $path = path $login;	1597	my $path = path $login;
1531		1598
1532	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1605	}
1538		1606
…		…
1569	}	1637	}
1570		1638
1571	\@paths	1639	\@paths
1572	}	1640	}
1573		1641
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1643
1576	Expand crossfire pod fragments into protocol xml.	1644	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		1645
1667	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1668		1647
1669	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1670		1649
…		…
1737	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1739		1718
1740	sub generate_random_map {	1719	sub generate_random_map {
1741	my ($self, $rmp) = @_;	1720	my ($self, $rmp) = @_;
		1721
		1722	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1723
1742	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1743	$self->_create_random_map (	1725	$self->_create_random_map (
1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1868		1850
1869	# the temporary/swap location	1851	# the temporary/swap location
1870	sub save_path {	1852	sub save_path {
1871	my ($self) = @_;	1853	my ($self) = @_;
1872		1854
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1875	}	1857	}
1876		1858
1877	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1878	sub uniq_path {	1860	sub uniq_path {
1879	my ($self) = @_;	1861	my ($self) = @_;
1880		1862
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1883	}	1865	}
1884		1866
1885	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1886	# all maps in C++...	1868	# all maps in C++...
…		…
1980	sub find {	1962	sub find {
1981	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1982		1964
1983	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1984		1966
1985	cf::lock_wait "map_data:$path";#d#remove	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1987		1969
1988	$cf::MAP{$path} || do {	1970	$cf::MAP{$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	1971	my $map = new_from_path cf::map $path
1993	or return;	1972	or return;
1994		1973
1995	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1996		1975
…		…
1998	or return;	1977	or return;
1999		1978
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
2003	undef $guard1;	1983	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	1984	$map->reset;
2006	return find $path;	1985	return find $path;
2007	}	1986	}
2008		1987
2009	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
…		…
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2016	$f->skip_block;
2038	$self->_load_objects ($f)	2017	$self->_load_objects ($f)
2039	or return;	2018	or return;
2040		2019
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
2042	if delete $self->{load_original};	2021	if delete $self->{load_original};
2043		2022
2044	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2024	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2025	unless (aio_stat $uniq) {
…		…
2072	}	2051	}
2073		2052
2074	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2076		2055
2077	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2078	}	2057	}
2079		2058
2080	$self->post_load;	2059	$self->post_load;
2081	}	2060	}
2082		2061
…		…
2140	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2141		2120
2142	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2143		2122
2144	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2146	}	2125	}
2147		2126
2148	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2149		2128
2150	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2187	cf::async {	2166	cf::async {
2188	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2190	};	2169	};
2191		2170
		2171	cf::get_slot 0.02;
		2172
2192	if ($uniq) {	2173	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2176	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2204	$self->save;	2185	$self->save;
2205		2186
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2188
2208	return if $self->players;	2189	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2210	return if $self->{deny_save};	2191	return if $self->{deny_save};
2211		2192
2212	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2213		2194
2214	$self->deactivate;	2195	$self->deactivate;
…		…
2332		2313
2333	sub unique_maps() {	2314	sub unique_maps() {
2334	[	2315	[
2335	map {	2316	map {
2336	utf8::decode $_;	2317	utf8::decode $_;
2337	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2338	? normalise $_	2321	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2323	]
2342	}	2324	}
2343		2325
2344	package cf;
2345
2346	=back	2326	=back
2347		2327
2348	=head3 cf::object	2328	=head3 cf::object
2349		2329
2350	=cut	2330	=cut
…		…
2353		2333
2354	=over 4	2334	=over 4
2355		2335
2356	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2357		2337
2358	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2359		2340
2360	=cut	2341	=cut
2361		2342
2362	sub inv_recursive_;	2343	sub inv_recursive_;
2363	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2369	}	2350	}
2370		2351
2371	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2372		2353
2373	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2374		2355
2375	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2376		2357
2377	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2410	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2411	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2412		2393
2413	=cut	2394	=cut
2414		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2415	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2411	# with dialog boxes.
2417	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2418	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2427
2433	} else {	2428	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2431	}
2437	}	2432	}
2438	}	2433	}
2439		2434
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2460
2466	=item $player_object->enter_link	2461	=item $player_object->enter_link
2467		2462
2468	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2469		2464
2470	The player should be reasonably safe there for short amounts of time. You	2465	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.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2472		2469
2473	Will never block.	2470	Will never block.
2474		2471
2475	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2476		2473
…		…
2534		2531
2535	$map->load;	2532	$map->load;
2536	$map->load_neighbours;	2533	$map->load_neighbours;
2537		2534
2538	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2539	$self->activate_recursive;	2537	$self->activate_recursive;
2540		2538
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2543	}	2541	}
…		…
2547	Moves the player to the given map-path and coordinates by first freezing	2545	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	2546	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	2547	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	2548	the new (success) or old (failed) map position. In either case, $done will
2551	be called at the end of this process.	2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2552		2553
2553	=cut	2554	=cut
2554		2555
2555	our $GOTOGEN;	2556	our $GOTOGEN;
2556		2557
…		…
2635	}	2636	}
2636		2637
2637	sub prepare_random_map {	2638	sub prepare_random_map {
2638	my ($exit) = @_;	2639	my ($exit) = @_;
2639		2640
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2643	# that depends on the exit object
2645		2644
2646	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2647	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2653	}	2654	}
2654		2655
2655	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2656		2657
2657	my $data = cf::encode_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2660		2661
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2664	undef $fh;
2664	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2665		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2668	}	2673	}
2669	}	2674	}
2670		2675
2671	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2673		2678
2674	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2675		2680
2676	if ($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;	2681	$self->enter_link;
2688		2682
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 {	2683	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2684	$Coro::current->{desc} = "enter_exit";
2695		2685
2696	$self->deactivate_recursive; # just to be sure
2697	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2698	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2699		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2700	1;	2707	1
2701	}) {	2708	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2704	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2706		2713
2707	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2773	id => "infobox",	2780	id => "infobox",
2774	title => "Body Parts",	2781	title => "Body Parts",
2775	reply => undef,	2782	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	2783	tooltip => "Shows which body parts you posess and are available",
2777	},	2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
2778	"c/uptime" => {	2791	"c/uptime" => {
2779	id => "infobox",	2792	id => "infobox",
2780	title => "Uptime",	2793	title => "Uptime",
2781	reply => undef,	2794	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	2795	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	2798	id => "infobox",
2786	title => "Map Info",	2799	title => "Map Info",
2787	reply => undef,	2800	reply => undef,
2788	tooltip => "Information related to the maps",	2801	tooltip => "Information related to the maps",
2789	},	2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
2790	);	2809	);
2791		2810
2792	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2794		2813
2795	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2796		2816
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		2818
2799	# check predefined channels, for the benefit of C	2819	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	2820	if ($CHANNEL{$channel}) {
…		…
2821	if ($self->can_msg) {	2841	if ($self->can_msg) {
2822	# default colour, mask it out	2842	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	2844	if $color & cf::NDI_DEF;
2825		2845
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2828	} else {	2862	} else {
2829	if ($color >= 0) {	2863	if ($color >= 0) {
2830	# replace some tags by gcfclient-compatible ones	2864	# replace some tags by gcfclient-compatible ones
2831	for ($msg) {	2865	for ($msg) {
2832	1 while	2866	1 while
…		…
3031		3065
3032	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
3033		3067
3034	cf::object	3068	cf::object
3035	contr pay_amount pay_player map x y force_find force_add destroy	3069	contr pay_amount pay_player map x y force_find force_add destroy
3036	insert remove name archname title slaying race decrease_ob_nr	3070	insert remove name archname title slaying race decrease split
3037		3071
3038	cf::object::player	3072	cf::object::player
3039	player	3073	player
3040		3074
3041	cf::player	3075	cf::player
…		…
3046		3080
3047	=cut	3081	=cut
3048		3082
3049	for (	3083	for (
3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051	insert remove inv name archname title slaying race	3085	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3086	decrease split destroy change_exp)],
3053	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
3055	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
3056	) {	3090	) {
3057	no strict 'refs';	3091	no strict 'refs';
…		…
3265	while (my ($k, $v) = each %$want) {	3299	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3300	$ns->fx_want ($k, $v);
3267	}	3301	}
3268	};	3302	};
3269		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
3270	sub reload_regions {	3314	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3315	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3316	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3317	%ext::player_env::MUSIC_FACE_CACHE = ();
3274		3318
…		…
3287	}	3331	}
3288		3332
3289	sub reload_archetypes {	3333	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3336	}
3298		3337
3299	sub reload_treasures {	3338	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
3302	}	3341	}
3303		3342
3304	sub reload_resources {	3343	sub reload_resources {
3305	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
3306		3345
		3346	reload_facedata;
		3347	reload_archetypes;
3307	reload_regions;	3348	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3349	reload_treasures;
3312		3350
3313	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3352	}
3319		3353
3320	sub reload_config {	3354	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3322	or return;	3356	or return;
…		…
3336	};	3370	};
3337	warn $@ if $@;	3371	warn $@ if $@;
3338	}	3372	}
3339	}	3373	}
3340		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3341	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
3342	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3345	(async {	3413	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3415	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
3349	};	3417	};
3350		3418
		3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
3351	reload_config;	3423	reload_config;
3352	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
3353	load_extensions;	3437	load_extensions;
3354		3438
3355	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
3357	EV::loop;	3447	EV::loop;
3358	}	3448	}
3359		3449
3360	#############################################################################	3450	#############################################################################
3361	# initialisation and cleanup	3451	# initialisation and cleanup
…		…
3368	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
3369	};	3459	};
3370	}	3460	}
3371	}	3461	}
3372		3462
3373	sub write_runtime {	3463	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";
3375
3376	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
3378		3466
3379	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3468
3381	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
3382		3470
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3384	or return;	3472	or return;
3385		3473
3386	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
3399		3487
3400	close $fh	3488	close $fh
3401	or return;	3489	or return;
3402		3490
3403	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3492	and return;
3405		3493
3406	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
3407		3495
3408	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
3409	}	3547	}
3410		3548
3411	sub emergency_save() {	3549	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
3413		3551
3414	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
3415		3553
3416	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
3417	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3566	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3568	$pl->save;
3426	}	3569	}
3427	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
3428		3571
3429	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3575	$map->valid or next;
3433	$map->save;	3576	$map->save;
3434	}	3577	}
3435	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
3436		3579
3437	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
3440	};	3587	};
3441		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
3442	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
3443	}	3595	}
3444		3596
3445	sub post_cleanup {	3597	sub post_cleanup {
3446	my ($make_core) = @_;	3598	my ($make_core) = @_;
3447		3599
3448	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
3450	}	3631	}
3451		3632
3452	sub do_reload_perl() {	3633	sub do_reload_perl() {
3453	# can/must only be called in main	3634	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
3455	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
3456	return;	3637	return;
3457	}	3638	}
3458		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
3459	warn "reloading...";	3645	warn "reloading...";
3460		3646
3461	warn "entering sync_job";	3647	warn "entering sync_job";
3462		3648
3463	cf::sync_job {	3649	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3465	cf::emergency_save;	3651	cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
3467		3653
3468	warn "syncing database to disk";	3654	warn "syncing database to disk";
3469	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
3470		3656
3471	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
3472		3658
3473	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
3474	for (;;) {
3475	BDB::flush;
3476	IO::AIO::flush;
3477	Coro::cede_notself;
3478	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
3479	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3480	}
3481
3482	++$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	}	3662	}
3505		3663
3506	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
3507	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
3508	}	3666	%EXT_CORO = ();
3509		3667
3510	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
3511	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
3514	warn "... unloading $k";	3677	warn "... unloading $pkg";
3515	delete $INC{$k};
3516		3678
3517	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;
3519
3520	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
3521	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
3522	}	3688	}
3523		3689
3524	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
3525	}	3705	}
3526		3706
3527	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		3710
3531	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
3534		3714
3535	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
3536	# and global variables created in xs	3716	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
3538		3718
3539	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
3540		3720
3541	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
3542	require cf;	3722	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3544		3724
3545	warn "loading config and database again";	3725	warn "loading config and database again";
3546	cf::reload_config;	3726	cf::reload_config;
3547		3727
3548	warn "loading extensions";	3728	warn "loading extensions";
3549	cf::load_extensions;	3729	cf::load_extensions;
3550		3730
		3731	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3554	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3557		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3558	warn "leaving sync_job";	3743	warn "leaving sync_job";
3559		3744
3560	1	3745	1
3561	} or do {	3746	} or do {
3562	warn $@;	3747	warn $@;
3563	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3564	exit 1;
3565	};	3749	};
3566		3750
3567	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3568	};	3757	};
3569		3758
3570	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3571		3760
3572	sub reload_perl() {	3761	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3575		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	3769	do_reload_perl;
3578	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
		3771	};
3579	};	3772	};
3580	}	3773	}
3581		3774
3582	register_command "reload" => sub {	3775	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
…		…
3597		3790
3598	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3600		3793
3601	sub wait_for_tick {	3794	sub wait_for_tick {
3602	return unless $TICK_WATCHER->is_active;
3603	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3604		3796
3605	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3606	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;	3799	$signal->wait;
3608	}	3800	}
3609		3801
3610	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3611	return unless $TICK_WATCHER->is_active;
3612	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3613		3804
3614	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	3807	$signal->wait;
3617	}	3808	}
3618		3809
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3810	sub tick {
3620	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3623	return;	3814	return;
3624	}	3815	}
3625		3816
3626	$NOW = $tick_start = EV::now;
3627
3628	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		3818
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	3821	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	3822	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	3823	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
3639	};	3825	};
3640	}	3826	}
3641		3827
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3644	}	3830	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3646	$sig->send;	3832	$sig->send;
3647	}	3833	}
3648		3834
3649	$LOAD = ($NOW - $tick_start) / $TICK;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		3837
3652	_post_tick;	3838	if (0) {
3653	};	3839	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
3655		3846
3656	{	3847	{
3657	# configure BDB	3848	# configure BDB
3658		3849
3659	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3660	BDB::max_poll_reqs $TICK * 0.1;	3851	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	3852	$AnyEvent::BDB::WATCHER->priority (1);
3662		3853
3663	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		3861
3670	cf::sync_job {	3862	cf::sync_job {
3671	eval {	3863	eval {
…		…
3697	{	3889	{
3698	# configure IO::AIO	3890	# configure IO::AIO
3699		3891
3700	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	3894	undef $AnyEvent::AIO::WATCHER;
3703	}	3895	}
3704		3896
3705	my $_log_backtrace;	3897	my $_log_backtrace;
3706		3898
3707	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3710	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3711		3903
3712	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3714	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3715	async {	3908	async {
3716	$Coro::current->{desc} = "abt $msg";	3909	$Coro::current->{desc} = "abt $msg";
3717		3910
3718	my @bt = fork_call {	3911	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	3923	}
3731		3924
3732	@funcs	3925	@funcs
3733	};	3926	};
3734		3927
3735	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	3931	--$_log_backtrace;
3738	};	3932	};
3739	} else {	3933	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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