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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC vs.
Revision 1.465 by root, Thu Jan 8 00:54:55 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML::Syck ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		76
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50		78
51	our %COMMAND = ();	79	our %COMMAND = ();
52	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
55	our %EXTCMD = ();	83	our %EXTCMD = ();
56	our %EXTICMD = ();	84	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
59		87
60	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	89	our @EVENT;
62		90
63	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
64	our $DATADIR = datadir;	92	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
68	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
74	our %RESOURCE;	105	our %RESOURCE;
75		106
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	109	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		111
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	115	our $DB_ENV;
88		116
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	127	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	128	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		129
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	130	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	131	our $LOADAVG; # same thing, but with alpha-smoothing
		132	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	133	our $TICK_START; # for load detecting purposes
		134
		135	our @POST_INIT;
		136
		137	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		138
106	binmode STDOUT;	139	binmode STDOUT;
107	binmode STDERR;	140	binmode STDERR;
108		141
109	# read virtual server time, if available	142	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	143	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	144	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	145	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	146	$RUNTIME = <$fh> + 0.;
114	}	147	}
115		148
116	mkdir $_	149	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	150	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
195	LOG llevError, $msg;	228	LOG llevError, $msg;
196	};	229	};
197	}	230	}
198		231
199	$Coro::State::DIEHOOK = sub {	232	$Coro::State::DIEHOOK = sub {
		233	return unless $^S eq 0; # "eq", not "=="
		234
		235	if ($Coro::current == $Coro::main) {#d#
		236	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		237	return;#d#
		238	}#d#
		239
		240	# kill coroutine otherwise
200	warn Carp::longmess $_[0];	241	warn Carp::longmess $_[0];
201	Coro::terminate;	242	Coro::terminate
202	};	243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
203		246
204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
214	for my $pkg (qw(	257	for my $pkg (qw(
215	cf::global cf::attachable	258	cf::global cf::attachable
216	cf::object cf::object::player	259	cf::object cf::object::player
217	cf::client cf::player	260	cf::client cf::player
218	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
219	cf::map cf::party cf::region	263	cf::party cf::region
220	)) {	264	)) {
221	no strict 'refs';
222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
223	}	266	}
224		267
225	$EV::DIED = sub {	268	$EV::DIED = sub {
226	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
269		312
270	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
271	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
272		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
273	=item cf::lock_wait $string	330	=item cf::lock_wait $string
274		331
275	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
276		333
277	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
278		335
279	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
280	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,
281	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
282	returned.	339	returned.
283		340
284	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
285	deadlocked coro.	342	deadlocked coro.
…		…
291		348
292	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.
293		350
294	=cut	351	=cut
295		352
296	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
297	our %LOCKER;#d#
298		354
299	sub lock_wait($) {	355	sub lock_wait($) {
300	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
301
302	if ($LOCKER{$key} == $Coro::current) {#d#
303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
304	return;#d#
305	}#d#
306
307	# wait for lock, if any
308	while ($LOCK{$key}) {
309	push @{ $LOCK{$key} }, $Coro::current;
310	Coro::schedule;
311	}
312	}	357	}
313		358
314	sub lock_acquire($) {	359	sub lock_acquire($) {
315	my ($key) = @_;	360	$LOCKS->guard ($_[0])
316
317	# wait, to be sure we are not locked
318	lock_wait $key;
319
320	$LOCK{$key} = [];
321	$LOCKER{$key} = $Coro::current;#d#
322
323	Coro::guard {
324	delete $LOCKER{$key};#d#
325	# wake up all waiters, to be on the safe side
326	$_->ready for @{ delete $LOCK{$key} };
327	}
328	}	361	}
329		362
330	sub lock_active($) {	363	sub lock_active($) {
331	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
332
333	! ! $LOCK{$key}
334	}	365	}
335		366
336	sub freeze_mainloop {	367	sub freeze_mainloop {
337	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
338		369
339	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
340	$TICK_WATCHER->start;
341	};
342	$TICK_WATCHER->stop;
343	$guard
344	}	371	}
345		372
346	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
347		374
348	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
403	}	430	}
404	}	431	}
405	};	432	};
406		433
407	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
408	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
409		438
410	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
411	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
412		441
…		…
449	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
450	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
451		480
452	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
453		482
454	# TODO: use suspend/resume instead
455	# (but this is cancel-safe)
456	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
457		484
458	my $busy = 1;	485	my $busy = 1;
459	my @res;	486	my @res;
460		487
…		…
471	} else {	498	} else {
472	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
473	}	500	}
474	}	501	}
475		502
476	$time = EV::time - $time;	503	my $time = EV::time - $time;
477		504
478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
480
481	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
482		506
483	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
484	} else {	508	} else {
485	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
486		510
…		…
528	reset_signals;	552	reset_signals;
529	&$cb	553	&$cb
530	}, @args;	554	}, @args;
531		555
532	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
533	}	584	}
534		585
535	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
536		587
537	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
676		727
677	#############################################################################	728	#############################################################################
678		729
679	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
680		731
681	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
682	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")
683	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
684		735
685	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>
686	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
…		…
736	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
737		788
738	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
739	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
740		791
741	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
742	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
743		794
744	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
745		796
746	=over 4	797	=over 4
…		…
1037		1088
1038	sub reattach {	1089	sub reattach {
1039	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1040	my ($obj) = @_;	1091	my ($obj) = @_;
1041		1092
		1093	# no longer needed after getting rid of delete_package?
1042	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
1043		1095
1044	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1045		1097
1046	@$registry = ();	1098	@$registry = ();
1047		1099
…		…
1093	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1094	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1095	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1096		1148
1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1100	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1101	close $fh;	1153	aio_close $fh;
1102		1154
1103	if (@$objs) {	1155	if (@$objs) {
1104	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) {
1105	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1107	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1108	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1109	close $fh;	1161	aio_close $fh;
1110	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1111	}	1163	}
1112	} else {	1164	} else {
1113	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1114	}	1166	}
1115		1167
1116	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1117	} else {	1172	} else {
1118	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1119	}	1174	}
1120	} else {	1175	} else {
1121	aio_unlink $filename;	1176	aio_unlink $filename;
1122	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1123	}	1178	}
…		…
1214	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1215		1270
1216	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1217	}	1272	}
1218		1273
		1274	use File::Glob ();
		1275
1219	cf::player->attach (	1276	cf::player->attach (
1220	on_command => sub {	1277	on_command => sub {
1221	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1222		1279
1223	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1255		1312
1256	cf::override;	1313	cf::override;
1257	},	1314	},
1258	);	1315	);
1259		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
1260	sub load_extensions {	1330	sub load_extensions {
1261	cf::sync_job {	1331	cf::sync_job {
1262	my %todo;	1332	my %todo;
1263		1333
1264	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1283		1353
1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1286		1356
1287	$ext{source} =	1357	$ext{source} =
1288	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1289	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1290	. $source	1360	. $source
1291	. "\n};\n1";	1361	. "\n};\n1";
1292		1362
1293	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1309	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1310	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1311		1381
1312	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1313	warn $msg;	1383	warn $msg;
1314	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1315	exit 1;
1316	}	1385	}
1317		1386
1318	warn $msg;	1387	warn $msg;
1319	}	1388	}
1320		1389
…		…
1334		1403
1335	=back	1404	=back
1336		1405
1337	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1338		1407
1339	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1340		1409
1341	=cut	1410	=cut
1342		1411
1343	package cf::player;	1412	package cf::player;
1344		1413
…		…
1387		1456
1388	sub exists($) {	1457	sub exists($) {
1389	my ($login) = @_;	1458	my ($login) = @_;
1390		1459
1391	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1392	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1393	}	1462	}
1394		1463
1395	sub find($) {	1464	sub find($) {
1396	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1397	my $login = $_[0];	1466	my $login = $_[0];
…		…
1409	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1410	or return;	1479	or return;
1411		1480
1412	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1413	or return;	1482	or return;
		1483
1414	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1415	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1416	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1417	}	1487	}
1418	}	1488	}
…		…
1428		1498
1429	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1430		1500
1431	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1432	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1433		1505
1434	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1435	cf::cede_to_tick;	1507	cf::cede_to_tick;
1436	}	1508	}
1437		1509
…		…
1469	my ($pl) = @_;	1541	my ($pl) = @_;
1470		1542
1471	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1472		1544
1473	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1474	$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
1475		1547
1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1477	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1478	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1479	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1480		1554
1481	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1482	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1521		1595
1522	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1523	my $path = path $login;	1597	my $path = path $login;
1524		1598
1525	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1526	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1528	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1529	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1530	}	1605	}
1531		1606
…		…
1562	}	1637	}
1563		1638
1564	\@paths	1639	\@paths
1565	}	1640	}
1566		1641
1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1568		1643
1569	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1570
1571	=cut
1572
1573	use re 'eval';
1574
1575	my $group;
1576	my $interior; $interior = qr{
1577	# match a pod interior sequence sans C<< >>
1578	(?:
1579	\ (.*?)\ (?{ $group = $^N })
1580	| < (??{$interior}) >
1581	)
1582	}x;
1583
1584	sub expand_cfpod {
1585	my ($self, $pod) = @_;
1586
1587	my $xml;
1588
1589	while () {
1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1591	$group = $1;
1592
1593	$group =~ s/&/&amp;/g;
1594	$group =~ s/</&lt;/g;
1595
1596	$xml .= $group;
1597	} elsif ($pod =~ m%\G
1598	([BCGHITU])
1599	<
1600	(?:
1601	([^<>]*) (?{ $group = $^N })
1602	| < $interior >
1603	)
1604	>
1605	%gcsx
1606	) {
1607	my ($code, $data) = ($1, $group);
1608
1609	if ($code eq "B") {
1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1611	} elsif ($code eq "I") {
1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1613	} elsif ($code eq "U") {
1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1615	} elsif ($code eq "C") {
1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1617	} elsif ($code eq "T") {
1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1619	} elsif ($code eq "G") {
1620	my ($male, $female) = split /\|/, $data;
1621	$data = $self->gender ? $female : $male;
1622	$xml .= expand_cfpod ($self, $data);
1623	} elsif ($code eq "H") {
1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1626	"")
1627	[$self->{hintmode}];
1628	} else {
1629	$xml .= "error processing '$code($data)' directive";
1630	}
1631	} else {
1632	if ($pod =~ /\G(.+)/) {
1633	warn "parse error while expanding $pod (at $1)";
1634	}
1635	last;
1636	}
1637	}
1638
1639	for ($xml) {
1640	# create single paragraphs (very hackish)
1641	s/(?<=\S)\n(?=\w)/ /g;
1642
1643	# compress some whitespace
1644	s/\s+\n/\n/g; # ws line-ends
1645	s/\n\n+/\n/g; # double lines
1646	s/^\n+//; # beginning lines
1647	s/\n+$//; # ending lines
1648	}
1649
1650	$xml
1651	}
1652
1653	no re 'eval';
1654
1655	sub hintmode {
1656	$_[0]{hintmode} = $_[1] if @_ > 1;
1657	$_[0]{hintmode}
1658	}
1659		1645
1660	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1661		1647
1662	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1663		1649
…		…
1730	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1731	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1732		1718
1733	sub generate_random_map {	1719	sub generate_random_map {
1734	my ($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
1735	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1736	$self->_create_random_map (	1725	$self->_create_random_map (
1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1861		1850
1862	# the temporary/swap location	1851	# the temporary/swap location
1863	sub save_path {	1852	sub save_path {
1864	my ($self) = @_;	1853	my ($self) = @_;
1865		1854
1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1867	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1868	}	1857	}
1869		1858
1870	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1871	sub uniq_path {	1860	sub uniq_path {
1872	my ($self) = @_;	1861	my ($self) = @_;
1873		1862
1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1875	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1876	}
1877
1878	# and all this just because we cannot iterate over
1879	# all maps in C++...
1880	sub change_all_map_light {
1881	my ($change) = @_;
1882
1883	$_->change_map_light ($change)
1884	for grep $_->outdoor, values %cf::MAP;
1885	}	1865	}
1886		1866
1887	sub decay_objects {	1867	sub decay_objects {
1888	my ($self) = @_;	1868	my ($self) = @_;
1889		1869
…		…
1973	sub find {	1953	sub find {
1974	my ($path, $origin) = @_;	1954	my ($path, $origin) = @_;
1975		1955
1976	$path = normalise $path, $origin && $origin->path;	1956	$path = normalise $path, $origin && $origin->path;
1977		1957
1978	cf::lock_wait "map_data:$path";#d#remove	1958	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1979	cf::lock_wait "map_find:$path";	1959	my $guard2 = cf::lock_acquire "map_find:$path";
1980		1960
1981	$cf::MAP{$path} || do {	1961	$cf::MAP{$path} || do {
1982	my $guard1 = cf::lock_acquire "map_find:$path";
1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1984
1985	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1986	or return;	1963	or return;
1987		1964
1988	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1989		1966
…		…
1991	or return;	1968	or return;
1992		1969
1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1994	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1995	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
1996	undef $guard1;	1974	undef $guard1;
1997	undef $guard2;
1998	$map->reset;	1975	$map->reset;
1999	return find $path;	1976	return find $path;
2000	}	1977	}
2001		1978
2002	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
…		…
2029	my $f = new_from_file cf::object::thawer $self->{load_path};	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
2030	$f->skip_block;	2007	$f->skip_block;
2031	$self->_load_objects ($f)	2008	$self->_load_objects ($f)
2032	or return;	2009	or return;
2033		2010
2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
2035	if delete $self->{load_original};	2012	if delete $self->{load_original};
2036		2013
2037	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
2038	utf8::encode $uniq;	2015	utf8::encode $uniq;
2039	unless (aio_stat $uniq) {	2016	unless (aio_stat $uniq) {
…		…
2057	unless ($self->{deny_activate}) {	2034	unless ($self->{deny_activate}) {
2058	$self->decay_objects;	2035	$self->decay_objects;
2059	$self->fix_auto_apply;	2036	$self->fix_auto_apply;
2060	$self->update_buttons;	2037	$self->update_buttons;
2061	cf::cede_to_tick;	2038	cf::cede_to_tick;
2062	$self->set_darkness_map;
2063	cf::cede_to_tick;
2064	$self->activate;	2039	$self->activate;
2065	}	2040	}
2066		2041
2067	$self->{last_save} = $cf::RUNTIME;	2042	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2043	$self->last_access ($cf::RUNTIME);
2069		2044
2070	$self->in_memory (cf::MAP_IN_MEMORY);	2045	$self->in_memory (cf::MAP_ACTIVE);
2071	}	2046	}
2072		2047
2073	$self->post_load;	2048	$self->post_load;
2074	}	2049	}
2075		2050
…		…
2133	my ($path, $origin, $load) = @_;	2108	my ($path, $origin, $load) = @_;
2134		2109
2135	$path = normalise $path, $origin && $origin->{path};	2110	$path = normalise $path, $origin && $origin->{path};
2136		2111
2137	if (my $map = $cf::MAP{$path}) {	2112	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2113	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2139	}	2114	}
2140		2115
2141	$MAP_PREFETCH{$path} |= $load;	2116	$MAP_PREFETCH{$path} |= $load;
2142		2117
2143	$MAP_PREFETCHER ||= cf::async {	2118	$MAP_PREFETCHER ||= cf::async {
…		…
2180	cf::async {	2155	cf::async {
2181	$Coro::current->{desc} = "map player save";	2156	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2157	$_->contr->save for $self->players;
2183	};	2158	};
2184		2159
		2160	cf::get_slot 0.02;
		2161
2185	if ($uniq) {	2162	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2163	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2164	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2165	} else {
2189	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2197	$self->save;	2174	$self->save;
2198		2175
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2176	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2177
2201	return if $self->players;	2178	return if $self->players;
2202	return if $self->in_memory != cf::MAP_IN_MEMORY;	2179	return if $self->in_memory != cf::MAP_ACTIVE;
2203	return if $self->{deny_save};	2180	return if $self->{deny_save};
2204		2181
2205	$self->in_memory (cf::MAP_SWAPPED);	2182	$self->in_memory (cf::MAP_SWAPPED);
2206		2183
2207	$self->deactivate;	2184	$self->deactivate;
…		…
2325		2302
2326	sub unique_maps() {	2303	sub unique_maps() {
2327	[	2304	[
2328	map {	2305	map {
2329	utf8::decode $_;	2306	utf8::decode $_;
2330	/\.map$/	2307	s/\.map$//; # TODO future compatibility hack
		2308	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2309	? ()
2331	? normalise $_	2310	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2311	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2312	]
2335	}	2313	}
2336		2314
2337	package cf;
2338
2339	=back	2315	=back
2340		2316
2341	=head3 cf::object	2317	=head3 cf::object
2342		2318
2343	=cut	2319	=cut
…		…
2346		2322
2347	=over 4	2323	=over 4
2348		2324
2349	=item $ob->inv_recursive	2325	=item $ob->inv_recursive
2350		2326
2351	Returns the inventory of the object _and_ their inventories, recursively.	2327	Returns the inventory of the object I<and> their inventories, recursively,
		2328	but I<not> the object itself.
2352		2329
2353	=cut	2330	=cut
2354		2331
2355	sub inv_recursive_;	2332	sub inv_recursive_;
2356	sub inv_recursive_ {	2333	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2338	inv_recursive_ inv $_[0]
2362	}	2339	}
2363		2340
2364	=item $ref = $ob->ref	2341	=item $ref = $ob->ref
2365		2342
2366	creates and returns a persistent reference to an objetc that can be stored as a string.	2343	Creates and returns a persistent reference to an object that can be stored as a string.
2367		2344
2368	=item $ob = cf::object::deref ($refstring)	2345	=item $ob = cf::object::deref ($refstring)
2369		2346
2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2347	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2371	even if the object actually exists. May block.	2348	even if the object actually exists. May block.
…		…
2403	can be C<undef>. Does the right thing when the player is currently in a	2380	can be C<undef>. Does the right thing when the player is currently in a
2404	dialogue with the given NPC character.	2381	dialogue with the given NPC character.
2405		2382
2406	=cut	2383	=cut
2407		2384
		2385	our $SAY_CHANNEL = {
		2386	id => "say",
		2387	title => "Map",
		2388	reply => "say ",
		2389	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2390	};
		2391
		2392	our $CHAT_CHANNEL = {
		2393	id => "chat",
		2394	title => "Chat",
		2395	reply => "chat ",
		2396	tooltip => "Player chat and shouts, global to the server.",
		2397	};
		2398
2408	# rough implementation of a future "reply" method that works	2399	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2400	# with dialog boxes.
2410	#TODO: the first argument must go, split into a $npc->reply_to ( method	2401	#TODO: the first argument must go, split into a $npc->reply_to ( method
2411	sub cf::object::player::reply($$$;$) {	2402	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2403	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2414	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2415	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2416
2426	} else {	2417	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2418	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2419	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2420	}
2430	}	2421	}
2431	}	2422	}
2432		2423
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2424	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2449
2459	=item $player_object->enter_link	2450	=item $player_object->enter_link
2460		2451
2461	Freezes the player and moves him/her to a special map (C<{link}>).	2452	Freezes the player and moves him/her to a special map (C<{link}>).
2462		2453
2463	The player should be reasonably safe there for short amounts of time. You	2454	The player should be reasonably safe there for short amounts of time (e.g.
2464	I<MUST> call C<leave_link> as soon as possible, though.	2455	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2456	though, as the palyer cannot control the character while it is on the link
		2457	map.
2465		2458
2466	Will never block.	2459	Will never block.
2467		2460
2468	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
2469		2462
…		…
2527		2520
2528	$map->load;	2521	$map->load;
2529	$map->load_neighbours;	2522	$map->load_neighbours;
2530		2523
2531	return unless $self->contr->active;	2524	return unless $self->contr->active;
		2525	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2532	$self->activate_recursive;	2526	$self->activate_recursive;
2533		2527
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
2536	}	2530	}
…		…
2540	Moves the player to the given map-path and coordinates by first freezing	2534	Moves the player to the given map-path and coordinates by first freezing
2541	her, loading and preparing them map, calling the provided $check callback	2535	her, loading and preparing them map, calling the provided $check callback
2542	that has to return the map if sucecssful, and then unfreezes the player on	2536	that has to return the map if sucecssful, and then unfreezes the player on
2543	the new (success) or old (failed) map position. In either case, $done will	2537	the new (success) or old (failed) map position. In either case, $done will
2544	be called at the end of this process.	2538	be called at the end of this process.
		2539
		2540	Note that $check will be called with a potentially non-loaded map, so if
		2541	it needs a loaded map it has to call C<< ->load >>.
2545		2542
2546	=cut	2543	=cut
2547		2544
2548	our $GOTOGEN;	2545	our $GOTOGEN;
2549		2546
…		…
2628	}	2625	}
2629		2626
2630	sub prepare_random_map {	2627	sub prepare_random_map {
2631	my ($exit) = @_;	2628	my ($exit) = @_;
2632		2629
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2630	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2631	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2632	# that depends on the exit object
2638		2633
2639	my $rmp = parse_random_map_params $exit->msg;	2634	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2636	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2637	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2638	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2639	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
		2641
		2642	$exit->map->touch;
2646	}	2643	}
2647		2644
2648	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
2649		2646
2650	my $data = cf::encode_json $rmp;	2647	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
2653		2650
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2653	undef $fh;
2657	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
2658		2655
		2656	my $slaying = "?random/$md5";
		2657
		2658	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2659	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2660	$exit->msg (undef);
		2661	}
2661	}	2662	}
2662	}	2663	}
2663		2664
2664	sub cf::object::player::enter_exit {	2665	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2666	my ($self, $exit) = @_;
2666		2667
2667	return unless $self->type == cf::PLAYER;	2668	return unless $self->type == cf::PLAYER;
2668		2669
2669	if ($exit->slaying eq "/!") {
2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
2671	# the problem is that $exit might not survive long enough
2672	# so it needs to be done right now, right here
2673	cf::sync_job { prepare_random_map $exit };
2674	}
2675
2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2677	my $hp = $exit->stats->hp;
2678	my $sp = $exit->stats->sp;
2679
2680	$self->enter_link;	2670	$self->enter_link;
2681		2671
2682	# if exit is damned, update players death & WoR home-position
2683	$self->contr->savebed ($slaying, $hp, $sp)
2684	if $exit->flag (FLAG_DAMNED);
2685
2686	(async {	2672	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2673	$Coro::current->{desc} = "enter_exit";
2688		2674
2689	$self->deactivate_recursive; # just to be sure
2690	unless (eval {	2675	unless (eval {
		2676	$self->deactivate_recursive; # just to be sure
		2677
		2678	# random map handling
		2679	{
		2680	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2681
		2682	prepare_random_map $exit
		2683	if $exit->slaying eq "/!";
		2684	}
		2685
		2686	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2687	my $x = $exit->stats->hp;
		2688	my $y = $exit->stats->sp;
		2689
2691	$self->goto ($slaying, $hp, $sp);	2690	$self->goto ($map, $x, $y);
2692		2691
		2692	# if exit is damned, update players death & WoR home-position
		2693	$self->contr->savebed ($map, $x, $y)
		2694	if $exit->flag (cf::FLAG_DAMNED);
		2695
2693	1;	2696	1
2694	}) {	2697	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2698	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "I'll try to bring you back to the map you were before. "	2699	. "I'll try to bring you back to the map you were before. "
2697	. "Please report this to the dungeon master!",	2700	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2701	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2702
2700	warn "ERROR in enter_exit: $@";	2703	warn "ERROR in enter_exit: $@";
…		…
2766	id => "infobox",	2769	id => "infobox",
2767	title => "Body Parts",	2770	title => "Body Parts",
2768	reply => undef,	2771	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	2772	tooltip => "Shows which body parts you posess and are available",
2770	},	2773	},
		2774	"c/statistics" => {
		2775	id => "infobox",
		2776	title => "Statistics",
		2777	reply => undef,
		2778	tooltip => "Shows your primary statistics",
		2779	},
		2780	"c/skills" => {
		2781	id => "infobox",
		2782	title => "Skills",
		2783	reply => undef,
		2784	tooltip => "Shows your experience per skill and item power",
		2785	},
		2786	"c/resistances" => {
		2787	id => "infobox",
		2788	title => "Resistances",
		2789	reply => undef,
		2790	tooltip => "Shows your resistances",
		2791	},
		2792	"c/pets" => {
		2793	id => "infobox",
		2794	title => "Pets",
		2795	reply => undef,
		2796	tooltip => "Shows information abotu your pets/a specific pet",
		2797	},
2771	"c/uptime" => {	2798	"c/uptime" => {
2772	id => "infobox",	2799	id => "infobox",
2773	title => "Uptime",	2800	title => "Uptime",
2774	reply => undef,	2801	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	2802	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	2805	id => "infobox",
2779	title => "Map Info",	2806	title => "Map Info",
2780	reply => undef,	2807	reply => undef,
2781	tooltip => "Information related to the maps",	2808	tooltip => "Information related to the maps",
2782	},	2809	},
		2810	"c/party" => {
		2811	id => "party",
		2812	title => "Party",
		2813	reply => "gsay ",
		2814	tooltip => "Messages and chat related to your party",
		2815	},
		2816	"c/death" => {
		2817	id => "death",
		2818	title => "Death",
		2819	reply => undef,
		2820	tooltip => "Reason for and more info about your most recent death",
		2821	},
		2822	"c/say" => $SAY_CHANNEL,
		2823	"c/chat" => $CHAT_CHANNEL,
2783	);	2824	);
2784		2825
2785	sub cf::client::send_msg {	2826	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	2827	my ($self, $channel, $msg, $color, @extra) = @_;
2787		2828
2788	$msg = $self->pl->expand_cfpod ($msg);	2829	$msg = $self->pl->expand_cfpod ($msg)
		2830	unless $color & cf::NDI_VERBATIM;
2789		2831
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	2832	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		2833
2792	# check predefined channels, for the benefit of C	2834	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	2835	if ($CHANNEL{$channel}) {
2794	$channel = $CHANNEL{$channel};	2836	$channel = $CHANNEL{$channel};
2795		2837
2796	$self->ext_msg (channel_info => $channel)	2838	$self->ext_msg (channel_info => $channel);
2797	if $self->can_msg;
2798
2799	$channel = $channel->{id};	2839	$channel = $channel->{id};
2800		2840
2801	} elsif (ref $channel) {	2841	} elsif (ref $channel) {
2802	# send meta info to client, if not yet sent	2842	# send meta info to client, if not yet sent
2803	unless (exists $self->{channel}{$channel->{id}}) {	2843	unless (exists $self->{channel}{$channel->{id}}) {
2804	$self->{channel}{$channel->{id}} = $channel;	2844	$self->{channel}{$channel->{id}} = $channel;
2805	$self->ext_msg (channel_info => $channel)	2845	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807	}	2846	}
2808		2847
2809	$channel = $channel->{id};	2848	$channel = $channel->{id};
2810	}	2849	}
2811		2850
2812	return unless @extra || length $msg;	2851	return unless @extra || length $msg;
2813		2852
2814	if ($self->can_msg) {
2815	# default colour, mask it out	2853	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	2855	if $color & cf::NDI_DEF;
2818		2856
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2821	} else {	2860	);
2822	if ($color >= 0) {
2823	# replace some tags by gcfclient-compatible ones
2824	for ($msg) {
2825	1 while
2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2831	}
2832		2861
2833	$color &= cf::NDI_COLOR_MASK;	2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
2834		2865
2835	utf8::encode $msg;	2866	# split very large packets
2836		2867	if (8192 < length $pkt and $self->{can_lzf}) {
2837	if (0 && $msg =~ /\[/) {	2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2838	# COMMAND/INFO	2869	$pkt = "frag";
2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
2840	} else {
2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2842	$self->send_packet ("drawinfo $color $msg")
2843	}
2844	}
2845	}	2870	}
		2871
		2872	$self->send_packet ($pkt);
2846	}	2873	}
2847		2874
2848	=item $client->ext_msg ($type, @msg)	2875	=item $client->ext_msg ($type, @msg)
2849		2876
2850	Sends an ext event to the client.	2877	Sends an ext event to the client.
…		…
3024		3051
3025	The following functions and methods are available within a safe environment:	3052	The following functions and methods are available within a safe environment:
3026		3053
3027	cf::object	3054	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3055	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3056	insert remove name archname title slaying race decrease split
3030		3057
3031	cf::object::player	3058	cf::object::player
3032	player	3059	player
3033		3060
3034	cf::player	3061	cf::player
…		…
3039		3066
3040	=cut	3067	=cut
3041		3068
3042	for (	3069	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3070	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3071	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3072	decrease split destroy change_exp)],
3046	["cf::object::player" => qw(player)],	3073	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3074	["cf::player" => qw(peaceful)],
3048	["cf::map" => qw(trigger)],	3075	["cf::map" => qw(trigger)],
3049	) {	3076	) {
3050	no strict 'refs';	3077	no strict 'refs';
…		…
3258	while (my ($k, $v) = each %$want) {	3285	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3286	$ns->fx_want ($k, $v);
3260	}	3287	}
3261	};	3288	};
3262		3289
		3290	sub load_resource_file($) {
		3291	my $guard = lock_acquire "load_resource_file";
		3292
		3293	my $status = load_resource_file_ $_[0];
		3294	get_slot 0.1, 100;
		3295	cf::arch::commit_load;
		3296
		3297	$status
		3298	}
		3299
3263	sub reload_regions {	3300	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3301	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3302	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3303	%ext::player_env::MUSIC_FACE_CACHE = ();
3267		3304
…		…
3280	}	3317	}
3281		3318
3282	sub reload_archetypes {	3319	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3320	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3321	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3322	}
3291		3323
3292	sub reload_treasures {	3324	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3325	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3326	or die "unable to load treasurelists\n";
3295	}	3327	}
3296		3328
3297	sub reload_resources {	3329	sub reload_resources {
3298	warn "reloading resource files...\n";	3330	warn "reloading resource files...\n";
3299		3331
		3332	reload_facedata;
		3333	reload_archetypes;
3300	reload_regions;	3334	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3335	reload_treasures;
3305		3336
3306	warn "finished reloading resource files\n";	3337	warn "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3338	}
3312		3339
3313	sub reload_config {	3340	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3341	open my $fh, "<:utf8", "$CONFDIR/config"
3315	or return;	3342	or return;
3316		3343
3317	local $/;	3344	local $/;
3318	*CFG = YAML::Syck::Load <$fh>;	3345	*CFG = YAML::Load <$fh>;
3319		3346
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3347	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3321		3348
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3349	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3350	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3329	};	3356	};
3330	warn $@ if $@;	3357	warn $@ if $@;
3331	}	3358	}
3332	}	3359	}
3333		3360
		3361	sub pidfile() {
		3362	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3363	or die "$PIDFILE: $!";
		3364	flock $fh, &Fcntl::LOCK_EX
		3365	or die "$PIDFILE: flock: $!";
		3366	$fh
		3367	}
		3368
		3369	# make sure only one server instance is running at any one time
		3370	sub atomic {
		3371	my $fh = pidfile;
		3372
		3373	my $pid = <$fh>;
		3374	kill 9, $pid if $pid > 0;
		3375
		3376	seek $fh, 0, 0;
		3377	print $fh $$;
		3378	}
		3379
3334	sub main {	3380	sub main {
		3381	cf::init_globals; # initialise logging
		3382
		3383	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3384	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3385	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3386	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3387
		3388	cf::init_experience;
		3389	cf::init_anim;
		3390	cf::init_attackmess;
		3391	cf::init_dynamic;
		3392
		3393	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3394
3335	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3398	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3400	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
3342	};	3402	};
3343		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	cf::sync_job {
		3407	reload_resources;
3344	reload_config;	3408	reload_config;
3345	db_init;	3409	db_init;
		3410
		3411	cf::load_settings;
		3412	cf::load_materials;
		3413	cf::init_uuid;
		3414	cf::init_signals;
		3415	cf::init_commands;
		3416	cf::init_skills;
		3417
		3418	cf::init_beforeplay;
		3419
		3420	atomic;
		3421
3346	load_extensions;	3422	load_extensions;
3347		3423
3348	$TICK_WATCHER->start;	3424	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3425
		3426	# no (long-running) fork's whatsoever before this point(!)
		3427	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3428
		3429	(pop @POST_INIT)->(0) while @POST_INIT;
		3430	};
		3431
3350	EV::loop;	3432	EV::loop;
3351	}	3433	}
3352		3434
3353	#############################################################################	3435	#############################################################################
3354	# initialisation and cleanup	3436	# initialisation and cleanup
…		…
3361	cf::cleanup "SIG$signal";	3443	cf::cleanup "SIG$signal";
3362	};	3444	};
3363	}	3445	}
3364	}	3446	}
3365		3447
3366	sub write_runtime {	3448	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";
3368
3369	# first touch the runtime file to show we are still running:	3449	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3450	# the fsync below can take a very very long time.
3371		3451
3372	IO::AIO::aio_utime $runtime, undef, undef;	3452	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3453
3374	my $guard = cf::lock_acquire "write_runtime";	3454	my $guard = cf::lock_acquire "write_runtime";
3375		3455
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3456	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3377	or return;	3457	or return;
3378		3458
3379	my $value = $cf::RUNTIME + 90 + 10;	3459	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3460	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3461	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3471	aio_utime $fh, undef, undef;
3392		3472
3393	close $fh	3473	close $fh
3394	or return;	3474	or return;
3395		3475
3396	aio_rename "$runtime~", $runtime	3476	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3477	and return;
3398		3478
3399	warn "runtime file written.\n";	3479	warn "runtime file written.\n";
3400		3480
3401	1	3481	1
		3482	}
		3483
		3484	our $uuid_lock;
		3485	our $uuid_skip;
		3486
		3487	sub write_uuid_sync($) {
		3488	$uuid_skip ||= $_[0];
		3489
		3490	return if $uuid_lock;
		3491	local $uuid_lock = 1;
		3492
		3493	my $uuid = "$LOCALDIR/uuid";
		3494
		3495	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3496	or return;
		3497
		3498	my $value = uuid_seq uuid_cur;
		3499
		3500	unless ($value) {
		3501	warn "cowardly refusing to write zero uuid value!\n";
		3502	return;
		3503	}
		3504
		3505	my $value = uuid_str $value + $uuid_skip;
		3506	$uuid_skip = 0;
		3507
		3508	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3509	and return;
		3510
		3511	# always fsync - this file is important
		3512	aio_fsync $fh
		3513	and return;
		3514
		3515	close $fh
		3516	or return;
		3517
		3518	aio_rename "$uuid~", $uuid
		3519	and return;
		3520
		3521	warn "uuid file written ($value).\n";
		3522
		3523	1
		3524
		3525	}
		3526
		3527	sub write_uuid($$) {
		3528	my ($skip, $sync) = @_;
		3529
		3530	$sync ? write_uuid_sync $skip
		3531	: async { write_uuid_sync $skip };
3402	}	3532	}
3403		3533
3404	sub emergency_save() {	3534	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3535	my $freeze_guard = cf::freeze_mainloop;
3406		3536
3407	warn "enter emergency perl save\n";	3537	warn "emergency_perl_save: enter\n";
3408		3538
3409	cf::sync_job {	3539	cf::sync_job {
		3540	# this is a trade-off: we want to be very quick here, so
		3541	# save all maps without fsync, and later call a global sync
		3542	# (which in turn might be very very slow)
		3543	local $USE_FSYNC = 0;
		3544
3410	# use a peculiar iteration method to avoid tripping on perl	3545	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3546	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3547	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3548	warn "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3549	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3550	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3551	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3553	$pl->save;
3419	}	3554	}
3420	warn "end emergency player save\n";	3555	warn "emergency_perl_save: end player save\n";
3421		3556
3422	warn "begin emergency map save\n";	3557	warn "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3558	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3559	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3560	$map->valid or next;
3426	$map->save;	3561	$map->save;
3427	}	3562	}
3428	warn "end emergency map save\n";	3563	warn "emergency_perl_save: end map save\n";
3429		3564
3430	warn "begin emergency database checkpoint\n";	3565	warn "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3566	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3567	warn "emergency_perl_save: end database checkpoint\n";
		3568
		3569	warn "emergency_perl_save: begin write uuid\n";
		3570	write_uuid_sync 1;
		3571	warn "emergency_perl_save: end write uuid\n";
3433	};	3572	};
3434		3573
		3574	warn "emergency_perl_save: starting sync()\n";
		3575	IO::AIO::aio_sync sub {
		3576	warn "emergency_perl_save: finished sync()\n";
		3577	};
		3578
3435	warn "leave emergency perl save\n";	3579	warn "emergency_perl_save: leave\n";
3436	}	3580	}
3437		3581
3438	sub post_cleanup {	3582	sub post_cleanup {
3439	my ($make_core) = @_;	3583	my ($make_core) = @_;
3440		3584
3441	warn Carp::longmess "post_cleanup backtrace"	3585	warn Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3586	if $make_core;
		3587
		3588	my $fh = pidfile;
		3589	unlink $PIDFILE if <$fh> == $$;
		3590	}
		3591
		3592	# a safer delete_package, copied from Symbol
		3593	sub clear_package($) {
		3594	my $pkg = shift;
		3595
		3596	# expand to full symbol table name if needed
		3597	unless ($pkg =~ /^main::.*::$/) {
		3598	$pkg = "main$pkg" if $pkg =~ /^::/;
		3599	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3600	$pkg .= '::' unless $pkg =~ /::$/;
		3601	}
		3602
		3603	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3604	my $stem_symtab = *{$stem}{HASH};
		3605
		3606	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3607	or return;
		3608
		3609	# clear all symbols
		3610	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3611	for my $name (keys %$leaf_symtab) {
		3612	_gv_clear *{"$pkg$name"};
		3613	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3614	}
		3615	warn "cleared package $pkg\n";#d#
3443	}	3616	}
3444		3617
3445	sub do_reload_perl() {	3618	sub do_reload_perl() {
3446	# can/must only be called in main	3619	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3620	if ($Coro::current != $Coro::main) {
3448	warn "can only reload from main coroutine";	3621	warn "can only reload from main coroutine";
3449	return;	3622	return;
3450	}	3623	}
3451		3624
		3625	return if $RELOAD++;
		3626
		3627	my $t1 = EV::time;
		3628
		3629	while ($RELOAD) {
3452	warn "reloading...";	3630	warn "reloading...";
3453		3631
3454	warn "entering sync_job";	3632	warn "entering sync_job";
3455		3633
3456	cf::sync_job {	3634	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark	3635	cf::write_runtime_sync; # external watchdog should not bark
3458	cf::emergency_save;	3636	cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark	3637	cf::write_runtime_sync; # external watchdog should not bark
3460		3638
3461	warn "syncing database to disk";	3639	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;	3640	BDB::db_env_txn_checkpoint $DB_ENV;
3463		3641
3464	# if anything goes wrong in here, we should simply crash as we already saved	3642	# if anything goes wrong in here, we should simply crash as we already saved
3465		3643
3466	warn "flushing outstanding aio requests";	3644	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;	3645	while (IO::AIO::nreqs || BDB::nreqs) {
3472	warn "iterate...";	3646	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3473	}
3474
3475	++$RELOAD;
3476
3477	warn "cancelling all extension coros";
3478	$_->cancel for values %EXT_CORO;
3479	%EXT_CORO = ();
3480
3481	warn "removing commands";
3482	%COMMAND = ();
3483
3484	warn "removing ext/exti commands";
3485	%EXTCMD = ();
3486	%EXTICMD = ();
3487
3488	warn "unloading/nuking all extensions";
3489	for my $pkg (@EXTS) {
3490	warn "... unloading $pkg";
3491
3492	if (my $cb = $pkg->can ("unload")) {
3493	eval {
3494	$cb->($pkg);
3495	1
3496	} or warn "$pkg unloaded, but with errors: $@";
3497	}	3647	}
3498		3648
3499	warn "... nuking $pkg";	3649	warn "cancelling all extension coros";
3500	Symbol::delete_package $pkg;	3650	$_->cancel for values %EXT_CORO;
3501	}	3651	%EXT_CORO = ();
3502		3652
3503	warn "unloading all perl modules loaded from $LIBDIR";	3653	warn "removing commands";
3504	while (my ($k, $v) = each %INC) {	3654	%COMMAND = ();
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3655
		3656	warn "removing ext/exti commands";
		3657	%EXTCMD = ();
		3658	%EXTICMD = ();
		3659
		3660	warn "unloading/nuking all extensions";
		3661	for my $pkg (@EXTS) {
3507	warn "... unloading $k";	3662	warn "... unloading $pkg";
3508	delete $INC{$k};
3509		3663
3510	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;
3512
3513	if (my $cb = $k->can ("unload_module")) {	3664	if (my $cb = $pkg->can ("unload")) {
		3665	eval {
3514	$cb->();	3666	$cb->($pkg);
		3667	1
		3668	} or warn "$pkg unloaded, but with errors: $@";
		3669	}
		3670
		3671	warn "... clearing $pkg";
		3672	clear_package $pkg;
3515	}	3673	}
3516		3674
3517	Symbol::delete_package $k;	3675	warn "unloading all perl modules loaded from $LIBDIR";
		3676	while (my ($k, $v) = each %INC) {
		3677	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3678
		3679	warn "... unloading $k";
		3680	delete $INC{$k};
		3681
		3682	$k =~ s/\.pm$//;
		3683	$k =~ s/\//::/g;
		3684
		3685	if (my $cb = $k->can ("unload_module")) {
		3686	$cb->();
		3687	}
		3688
		3689	clear_package $k;
3518	}	3690	}
3519		3691
3520	warn "getting rid of safe::, as good as possible";	3692	warn "getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	3693	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3694	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		3695
3524	warn "unloading cf.pm \"a bit\"";	3696	warn "unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	3697	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	3698	delete $INC{"cf/pod.pm"};
3527		3699
3528	# don't, removes xs symbols, too,	3700	# don't, removes xs symbols, too,
3529	# and global variables created in xs	3701	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	3702	#clear_package __PACKAGE__;
3531		3703
3532	warn "unload completed, starting to reload now";	3704	warn "unload completed, starting to reload now";
3533		3705
3534	warn "reloading cf.pm";	3706	warn "reloading cf.pm";
3535	require cf;	3707	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3708	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3537		3709
3538	warn "loading config and database again";	3710	warn "loading config and database again";
3539	cf::reload_config;	3711	cf::reload_config;
3540		3712
3541	warn "loading extensions";	3713	warn "loading extensions";
3542	cf::load_extensions;	3714	cf::load_extensions;
3543		3715
		3716	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	3717	warn "reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	3718	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	3719	warn "reattaching attachments to maps";
3547	reattach $_ for values %MAP;	3720	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	3721	warn "reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	3722	reattach $_ for values %PLAYER;
		3723	}
3550		3724
		3725	warn "running post_init jobs";
		3726	(pop @POST_INIT)->(1) while @POST_INIT;
		3727
3551	warn "leaving sync_job";	3728	warn "leaving sync_job";
3552		3729
3553	1	3730	1
3554	} or do {	3731	} or do {
3555	warn $@;	3732	warn $@;
3556	warn "error while reloading, exiting.";	3733	cf::cleanup "error while reloading, exiting.";
3557	exit 1;
3558	};	3734	};
3559		3735
3560	warn "reloaded";	3736	warn "reloaded";
		3737	--$RELOAD;
		3738	}
		3739
		3740	$t1 = EV::time - $t1;
		3741	warn "reload completed in ${t1}s\n";
3561	};	3742	};
3562		3743
3563	our $RELOAD_WATCHER; # used only during reload	3744	our $RELOAD_WATCHER; # used only during reload
3564		3745
3565	sub reload_perl() {	3746	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	3747	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	3748	# coro crashes during coro_state_free->destroy here.
3568		3749
		3750	$RELOAD_WATCHER ||= cf::async {
		3751	Coro::AIO::aio_wait cache_extensions;
		3752
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3753	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3754	do_reload_perl;
3570	undef $RELOAD_WATCHER;	3755	undef $RELOAD_WATCHER;
3571	do_reload_perl;	3756	};
3572	};	3757	};
3573	}	3758	}
3574		3759
3575	register_command "reload" => sub {	3760	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	3761	my ($who, $arg) = @_;
…		…
3590		3775
3591	our @WAIT_FOR_TICK;	3776	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;	3777	our @WAIT_FOR_TICK_BEGIN;
3593		3778
3594	sub wait_for_tick {	3779	sub wait_for_tick {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3780	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3781
3598	my $signal = new Coro::Signal;	3782	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK, $signal;	3783	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;	3784	$signal->wait;
3601	}	3785	}
3602		3786
3603	sub wait_for_tick_begin {	3787	sub wait_for_tick_begin {
3604	return unless $TICK_WATCHER->is_active;
3605	return if $Coro::current == $Coro::main;	3788	return if tick_inhibit || $Coro::current == $Coro::main;
3606		3789
3607	my $signal = new Coro::Signal;	3790	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	3791	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	3792	$signal->wait;
3610	}	3793	}
3611		3794
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3795	sub tick {
3613	if ($Coro::current != $Coro::main) {	3796	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3797	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	3798	unless ++$bug_warning > 10;
3616	return;	3799	return;
3617	}	3800	}
3618		3801
3619	$NOW = $tick_start = EV::now;
3620
3621	cf::server_tick; # one server iteration	3802	cf::server_tick; # one server iteration
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		3803
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3804	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3805	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	3806	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	3807	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	3808	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	3809	or warn "ERROR: unable to write runtime file: $!";
3632	};	3810	};
3633	}	3811	}
3634		3812
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3813	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3637	}	3815	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	3816	while (my $sig = shift @WAIT_FOR_TICK) {
3639	$sig->send;	3817	$sig->send;
3640	}	3818	}
3641		3819
3642	$LOAD = ($NOW - $tick_start) / $TICK;	3820	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3821	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		3822
3645	_post_tick;	3823	if (0) {
3646	};	3824	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	3825	my $jitter = $TICK_START - $NEXT_TICK;
		3826	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3827	warn "jitter $JITTER\n";#d#
		3828	}
		3829	}
		3830	}
3648		3831
3649	{	3832	{
3650	# configure BDB	3833	# configure BDB
3651		3834
3652	BDB::min_parallel 8;	3835	BDB::min_parallel 8;
3653	BDB::max_poll_reqs $TICK * 0.1;	3836	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	3837	$AnyEvent::BDB::WATCHER->priority (1);
3655		3838
3656	unless ($DB_ENV) {	3839	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	3840	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3841	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	3842	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3843	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3844	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3845	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		3846
3663	cf::sync_job {	3847	cf::sync_job {
3664	eval {	3848	eval {
…		…
3690	{	3874	{
3691	# configure IO::AIO	3875	# configure IO::AIO
3692		3876
3693	IO::AIO::min_parallel 8;	3877	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	3878	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	3879	undef $AnyEvent::AIO::WATCHER;
3696	}	3880	}
3697		3881
3698	my $_log_backtrace;	3882	my $_log_backtrace;
3699		3883
3700	sub _log_backtrace {	3884	sub _log_backtrace {
…		…
3703	$msg =~ s/\n//;	3887	$msg =~ s/\n//;
3704		3888
3705	# limit the # of concurrent backtraces	3889	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	3890	if ($_log_backtrace < 2) {
3707	++$_log_backtrace;	3891	++$_log_backtrace;
		3892	my $perl_bt = Carp::longmess $msg;
3708	async {	3893	async {
3709	$Coro::current->{desc} = "abt $msg";	3894	$Coro::current->{desc} = "abt $msg";
3710		3895
3711	my @bt = fork_call {	3896	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	3897	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	3908	}
3724		3909
3725	@funcs	3910	@funcs
3726	};	3911	};
3727		3912
3728	LOG llevInfo, "[ABT] $msg\n";	3913	LOG llevInfo, "[ABT] $perl_bt\n";
		3914	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	3915	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	3916	--$_log_backtrace;
3731	};	3917	};
3732	} else {	3918	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	3919	LOG llevInfo, "[ABT] $msg\n";

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