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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 1.463 by root, Sun Dec 28 06:59:27 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::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/skills" => {
		2775	id => "infobox",
		2776	title => "Skills",
		2777	reply => undef,
		2778	tooltip => "Shows your experience per skill and item power",
		2779	},
2771	"c/uptime" => {	2780	"c/uptime" => {
2772	id => "infobox",	2781	id => "infobox",
2773	title => "Uptime",	2782	title => "Uptime",
2774	reply => undef,	2783	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	2784	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	2787	id => "infobox",
2779	title => "Map Info",	2788	title => "Map Info",
2780	reply => undef,	2789	reply => undef,
2781	tooltip => "Information related to the maps",	2790	tooltip => "Information related to the maps",
2782	},	2791	},
		2792	"c/party" => {
		2793	id => "party",
		2794	title => "Party",
		2795	reply => "gsay ",
		2796	tooltip => "Messages and chat related to your party",
		2797	},
		2798	"c/say" => $SAY_CHANNEL,
		2799	"c/chat" => $CHAT_CHANNEL,
2783	);	2800	);
2784		2801
2785	sub cf::client::send_msg {	2802	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	2803	my ($self, $channel, $msg, $color, @extra) = @_;
2787		2804
2788	$msg = $self->pl->expand_cfpod ($msg);	2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
2789		2807
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		2809
2792	# check predefined channels, for the benefit of C	2810	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	2811	if ($CHANNEL{$channel}) {
2794	$channel = $CHANNEL{$channel};	2812	$channel = $CHANNEL{$channel};
2795		2813
2796	$self->ext_msg (channel_info => $channel)	2814	$self->ext_msg (channel_info => $channel);
2797	if $self->can_msg;
2798
2799	$channel = $channel->{id};	2815	$channel = $channel->{id};
2800		2816
2801	} elsif (ref $channel) {	2817	} elsif (ref $channel) {
2802	# send meta info to client, if not yet sent	2818	# send meta info to client, if not yet sent
2803	unless (exists $self->{channel}{$channel->{id}}) {	2819	unless (exists $self->{channel}{$channel->{id}}) {
2804	$self->{channel}{$channel->{id}} = $channel;	2820	$self->{channel}{$channel->{id}} = $channel;
2805	$self->ext_msg (channel_info => $channel)	2821	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807	}	2822	}
2808		2823
2809	$channel = $channel->{id};	2824	$channel = $channel->{id};
2810	}	2825	}
2811		2826
2812	return unless @extra || length $msg;	2827	return unless @extra || length $msg;
2813		2828
2814	if ($self->can_msg) {
2815	# default colour, mask it out	2829	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2830	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	2831	if $color & cf::NDI_DEF;
2818		2832
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	2833	my $pkt = "msg "
		2834	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2835	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2821	} else {	2836	);
2822	if ($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		2837
2833	$color &= cf::NDI_COLOR_MASK;	2838	# try lzf for large packets
		2839	$pkt = "lzf " . Compress::LZF::compress $pkt
		2840	if 1024 <= length $pkt and $self->{can_lzf};
2834		2841
2835	utf8::encode $msg;	2842	# split very large packets
2836		2843	if (8192 < length $pkt and $self->{can_lzf}) {
2837	if (0 && $msg =~ /\[/) {	2844	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2838	# COMMAND/INFO	2845	$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	}	2846	}
		2847
		2848	$self->send_packet ($pkt);
2846	}	2849	}
2847		2850
2848	=item $client->ext_msg ($type, @msg)	2851	=item $client->ext_msg ($type, @msg)
2849		2852
2850	Sends an ext event to the client.	2853	Sends an ext event to the client.
…		…
3024		3027
3025	The following functions and methods are available within a safe environment:	3028	The following functions and methods are available within a safe environment:
3026		3029
3027	cf::object	3030	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3031	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3032	insert remove name archname title slaying race decrease split
3030		3033
3031	cf::object::player	3034	cf::object::player
3032	player	3035	player
3033		3036
3034	cf::player	3037	cf::player
…		…
3039		3042
3040	=cut	3043	=cut
3041		3044
3042	for (	3045	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3046	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3047	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3048	decrease split destroy change_exp)],
3046	["cf::object::player" => qw(player)],	3049	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3050	["cf::player" => qw(peaceful)],
3048	["cf::map" => qw(trigger)],	3051	["cf::map" => qw(trigger)],
3049	) {	3052	) {
3050	no strict 'refs';	3053	no strict 'refs';
…		…
3258	while (my ($k, $v) = each %$want) {	3261	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3262	$ns->fx_want ($k, $v);
3260	}	3263	}
3261	};	3264	};
3262		3265
		3266	sub load_resource_file($) {
		3267	my $guard = lock_acquire "load_resource_file";
		3268
		3269	my $status = load_resource_file_ $_[0];
		3270	get_slot 0.1, 100;
		3271	cf::arch::commit_load;
		3272
		3273	$status
		3274	}
		3275
3263	sub reload_regions {	3276	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3277	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3278	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
3267		3280
…		…
3280	}	3293	}
3281		3294
3282	sub reload_archetypes {	3295	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3296	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3297	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3298	}
3291		3299
3292	sub reload_treasures {	3300	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3301	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3302	or die "unable to load treasurelists\n";
3295	}	3303	}
3296		3304
3297	sub reload_resources {	3305	sub reload_resources {
3298	warn "reloading resource files...\n";	3306	warn "reloading resource files...\n";
3299		3307
		3308	reload_facedata;
		3309	reload_archetypes;
3300	reload_regions;	3310	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3311	reload_treasures;
3305		3312
3306	warn "finished reloading resource files\n";	3313	warn "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3314	}
3312		3315
3313	sub reload_config {	3316	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3317	open my $fh, "<:utf8", "$CONFDIR/config"
3315	or return;	3318	or return;
3316		3319
3317	local $/;	3320	local $/;
3318	*CFG = YAML::Syck::Load <$fh>;	3321	*CFG = YAML::Load <$fh>;
3319		3322
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3323	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3321		3324
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3325	$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};	3326	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3329	};	3332	};
3330	warn $@ if $@;	3333	warn $@ if $@;
3331	}	3334	}
3332	}	3335	}
3333		3336
		3337	sub pidfile() {
		3338	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3339	or die "$PIDFILE: $!";
		3340	flock $fh, &Fcntl::LOCK_EX
		3341	or die "$PIDFILE: flock: $!";
		3342	$fh
		3343	}
		3344
		3345	# make sure only one server instance is running at any one time
		3346	sub atomic {
		3347	my $fh = pidfile;
		3348
		3349	my $pid = <$fh>;
		3350	kill 9, $pid if $pid > 0;
		3351
		3352	seek $fh, 0, 0;
		3353	print $fh $$;
		3354	}
		3355
3334	sub main {	3356	sub main {
		3357	cf::init_globals; # initialise logging
		3358
		3359	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3360	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3361	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3362	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3363
		3364	cf::init_experience;
		3365	cf::init_anim;
		3366	cf::init_attackmess;
		3367	cf::init_dynamic;
		3368
		3369	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3370
3335	# we must not ever block the main coroutine	3371	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3372	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3374	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3375	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3376	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3377	})->prio (Coro::PRIO_MAX);
3342	};	3378	};
3343		3379
		3380	evthread_start IO::AIO::poll_fileno;
		3381
		3382	cf::sync_job {
		3383	reload_resources;
3344	reload_config;	3384	reload_config;
3345	db_init;	3385	db_init;
		3386
		3387	cf::load_settings;
		3388	cf::load_materials;
		3389	cf::init_uuid;
		3390	cf::init_signals;
		3391	cf::init_commands;
		3392	cf::init_skills;
		3393
		3394	cf::init_beforeplay;
		3395
		3396	atomic;
		3397
3346	load_extensions;	3398	load_extensions;
3347		3399
3348	$TICK_WATCHER->start;	3400	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3401
		3402	# no (long-running) fork's whatsoever before this point(!)
		3403	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3404
		3405	(pop @POST_INIT)->(0) while @POST_INIT;
		3406	};
		3407
3350	EV::loop;	3408	EV::loop;
3351	}	3409	}
3352		3410
3353	#############################################################################	3411	#############################################################################
3354	# initialisation and cleanup	3412	# initialisation and cleanup
…		…
3361	cf::cleanup "SIG$signal";	3419	cf::cleanup "SIG$signal";
3362	};	3420	};
3363	}	3421	}
3364	}	3422	}
3365		3423
3366	sub write_runtime {	3424	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";
3368
3369	# first touch the runtime file to show we are still running:	3425	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3426	# the fsync below can take a very very long time.
3371		3427
3372	IO::AIO::aio_utime $runtime, undef, undef;	3428	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3429
3374	my $guard = cf::lock_acquire "write_runtime";	3430	my $guard = cf::lock_acquire "write_runtime";
3375		3431
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3432	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3377	or return;	3433	or return;
3378		3434
3379	my $value = $cf::RUNTIME + 90 + 10;	3435	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3436	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3437	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3447	aio_utime $fh, undef, undef;
3392		3448
3393	close $fh	3449	close $fh
3394	or return;	3450	or return;
3395		3451
3396	aio_rename "$runtime~", $runtime	3452	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3453	and return;
3398		3454
3399	warn "runtime file written.\n";	3455	warn "runtime file written.\n";
3400		3456
3401	1	3457	1
		3458	}
		3459
		3460	our $uuid_lock;
		3461	our $uuid_skip;
		3462
		3463	sub write_uuid_sync($) {
		3464	$uuid_skip ||= $_[0];
		3465
		3466	return if $uuid_lock;
		3467	local $uuid_lock = 1;
		3468
		3469	my $uuid = "$LOCALDIR/uuid";
		3470
		3471	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3472	or return;
		3473
		3474	my $value = uuid_seq uuid_cur;
		3475
		3476	unless ($value) {
		3477	warn "cowardly refusing to write zero uuid value!\n";
		3478	return;
		3479	}
		3480
		3481	my $value = uuid_str $value + $uuid_skip;
		3482	$uuid_skip = 0;
		3483
		3484	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3485	and return;
		3486
		3487	# always fsync - this file is important
		3488	aio_fsync $fh
		3489	and return;
		3490
		3491	close $fh
		3492	or return;
		3493
		3494	aio_rename "$uuid~", $uuid
		3495	and return;
		3496
		3497	warn "uuid file written ($value).\n";
		3498
		3499	1
		3500
		3501	}
		3502
		3503	sub write_uuid($$) {
		3504	my ($skip, $sync) = @_;
		3505
		3506	$sync ? write_uuid_sync $skip
		3507	: async { write_uuid_sync $skip };
3402	}	3508	}
3403		3509
3404	sub emergency_save() {	3510	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3511	my $freeze_guard = cf::freeze_mainloop;
3406		3512
3407	warn "enter emergency perl save\n";	3513	warn "emergency_perl_save: enter\n";
3408		3514
3409	cf::sync_job {	3515	cf::sync_job {
		3516	# this is a trade-off: we want to be very quick here, so
		3517	# save all maps without fsync, and later call a global sync
		3518	# (which in turn might be very very slow)
		3519	local $USE_FSYNC = 0;
		3520
3410	# use a peculiar iteration method to avoid tripping on perl	3521	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3522	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3524	warn "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3527	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3529	$pl->save;
3419	}	3530	}
3420	warn "end emergency player save\n";	3531	warn "emergency_perl_save: end player save\n";
3421		3532
3422	warn "begin emergency map save\n";	3533	warn "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3534	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3536	$map->valid or next;
3426	$map->save;	3537	$map->save;
3427	}	3538	}
3428	warn "end emergency map save\n";	3539	warn "emergency_perl_save: end map save\n";
3429		3540
3430	warn "begin emergency database checkpoint\n";	3541	warn "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3543	warn "emergency_perl_save: end database checkpoint\n";
		3544
		3545	warn "emergency_perl_save: begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "emergency_perl_save: end write uuid\n";
3433	};	3548	};
3434		3549
		3550	warn "emergency_perl_save: starting sync()\n";
		3551	IO::AIO::aio_sync sub {
		3552	warn "emergency_perl_save: finished sync()\n";
		3553	};
		3554
3435	warn "leave emergency perl save\n";	3555	warn "emergency_perl_save: leave\n";
3436	}	3556	}
3437		3557
3438	sub post_cleanup {	3558	sub post_cleanup {
3439	my ($make_core) = @_;	3559	my ($make_core) = @_;
3440		3560
3441	warn Carp::longmess "post_cleanup backtrace"	3561	warn Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3562	if $make_core;
		3563
		3564	my $fh = pidfile;
		3565	unlink $PIDFILE if <$fh> == $$;
		3566	}
		3567
		3568	# a safer delete_package, copied from Symbol
		3569	sub clear_package($) {
		3570	my $pkg = shift;
		3571
		3572	# expand to full symbol table name if needed
		3573	unless ($pkg =~ /^main::.*::$/) {
		3574	$pkg = "main$pkg" if $pkg =~ /^::/;
		3575	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3576	$pkg .= '::' unless $pkg =~ /::$/;
		3577	}
		3578
		3579	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3580	my $stem_symtab = *{$stem}{HASH};
		3581
		3582	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3583	or return;
		3584
		3585	# clear all symbols
		3586	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3587	for my $name (keys %$leaf_symtab) {
		3588	_gv_clear *{"$pkg$name"};
		3589	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3590	}
		3591	warn "cleared package $pkg\n";#d#
3443	}	3592	}
3444		3593
3445	sub do_reload_perl() {	3594	sub do_reload_perl() {
3446	# can/must only be called in main	3595	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
3448	warn "can only reload from main coroutine";	3597	warn "can only reload from main coroutine";
3449	return;	3598	return;
3450	}	3599	}
3451		3600
		3601	return if $RELOAD++;
		3602
		3603	my $t1 = EV::time;
		3604
		3605	while ($RELOAD) {
3452	warn "reloading...";	3606	warn "reloading...";
3453		3607
3454	warn "entering sync_job";	3608	warn "entering sync_job";
3455		3609
3456	cf::sync_job {	3610	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark	3611	cf::write_runtime_sync; # external watchdog should not bark
3458	cf::emergency_save;	3612	cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark	3613	cf::write_runtime_sync; # external watchdog should not bark
3460		3614
3461	warn "syncing database to disk";	3615	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;	3616	BDB::db_env_txn_checkpoint $DB_ENV;
3463		3617
3464	# if anything goes wrong in here, we should simply crash as we already saved	3618	# if anything goes wrong in here, we should simply crash as we already saved
3465		3619
3466	warn "flushing outstanding aio requests";	3620	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;	3621	while (IO::AIO::nreqs || BDB::nreqs) {
3472	warn "iterate...";	3622	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3473	}
3474
3475	++$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	}	3623	}
3498		3624
3499	warn "... nuking $pkg";	3625	warn "cancelling all extension coros";
3500	Symbol::delete_package $pkg;	3626	$_->cancel for values %EXT_CORO;
3501	}	3627	%EXT_CORO = ();
3502		3628
3503	warn "unloading all perl modules loaded from $LIBDIR";	3629	warn "removing commands";
3504	while (my ($k, $v) = each %INC) {	3630	%COMMAND = ();
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3631
		3632	warn "removing ext/exti commands";
		3633	%EXTCMD = ();
		3634	%EXTICMD = ();
		3635
		3636	warn "unloading/nuking all extensions";
		3637	for my $pkg (@EXTS) {
3507	warn "... unloading $k";	3638	warn "... unloading $pkg";
3508	delete $INC{$k};
3509		3639
3510	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;
3512
3513	if (my $cb = $k->can ("unload_module")) {	3640	if (my $cb = $pkg->can ("unload")) {
		3641	eval {
3514	$cb->();	3642	$cb->($pkg);
		3643	1
		3644	} or warn "$pkg unloaded, but with errors: $@";
		3645	}
		3646
		3647	warn "... clearing $pkg";
		3648	clear_package $pkg;
3515	}	3649	}
3516		3650
3517	Symbol::delete_package $k;	3651	warn "unloading all perl modules loaded from $LIBDIR";
		3652	while (my ($k, $v) = each %INC) {
		3653	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3654
		3655	warn "... unloading $k";
		3656	delete $INC{$k};
		3657
		3658	$k =~ s/\.pm$//;
		3659	$k =~ s/\//::/g;
		3660
		3661	if (my $cb = $k->can ("unload_module")) {
		3662	$cb->();
		3663	}
		3664
		3665	clear_package $k;
3518	}	3666	}
3519		3667
3520	warn "getting rid of safe::, as good as possible";	3668	warn "getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	3669	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3670	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		3671
3524	warn "unloading cf.pm \"a bit\"";	3672	warn "unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	3673	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	3674	delete $INC{"cf/pod.pm"};
3527		3675
3528	# don't, removes xs symbols, too,	3676	# don't, removes xs symbols, too,
3529	# and global variables created in xs	3677	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	3678	#clear_package __PACKAGE__;
3531		3679
3532	warn "unload completed, starting to reload now";	3680	warn "unload completed, starting to reload now";
3533		3681
3534	warn "reloading cf.pm";	3682	warn "reloading cf.pm";
3535	require cf;	3683	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3684	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3537		3685
3538	warn "loading config and database again";	3686	warn "loading config and database again";
3539	cf::reload_config;	3687	cf::reload_config;
3540		3688
3541	warn "loading extensions";	3689	warn "loading extensions";
3542	cf::load_extensions;	3690	cf::load_extensions;
3543		3691
		3692	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
3547	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
		3699	}
3550		3700
		3701	warn "running post_init jobs";
		3702	(pop @POST_INIT)->(1) while @POST_INIT;
		3703
3551	warn "leaving sync_job";	3704	warn "leaving sync_job";
3552		3705
3553	1	3706	1
3554	} or do {	3707	} or do {
3555	warn $@;	3708	warn $@;
3556	warn "error while reloading, exiting.";	3709	cf::cleanup "error while reloading, exiting.";
3557	exit 1;
3558	};	3710	};
3559		3711
3560	warn "reloaded";	3712	warn "reloaded";
		3713	--$RELOAD;
		3714	}
		3715
		3716	$t1 = EV::time - $t1;
		3717	warn "reload completed in ${t1}s\n";
3561	};	3718	};
3562		3719
3563	our $RELOAD_WATCHER; # used only during reload	3720	our $RELOAD_WATCHER; # used only during reload
3564		3721
3565	sub reload_perl() {	3722	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	3723	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	3724	# coro crashes during coro_state_free->destroy here.
3568		3725
		3726	$RELOAD_WATCHER ||= cf::async {
		3727	Coro::AIO::aio_wait cache_extensions;
		3728
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3729	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3730	do_reload_perl;
3570	undef $RELOAD_WATCHER;	3731	undef $RELOAD_WATCHER;
3571	do_reload_perl;	3732	};
3572	};	3733	};
3573	}	3734	}
3574		3735
3575	register_command "reload" => sub {	3736	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	3737	my ($who, $arg) = @_;
…		…
3590		3751
3591	our @WAIT_FOR_TICK;	3752	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;	3753	our @WAIT_FOR_TICK_BEGIN;
3593		3754
3594	sub wait_for_tick {	3755	sub wait_for_tick {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3756	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3757
3598	my $signal = new Coro::Signal;	3758	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK, $signal;	3759	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;	3760	$signal->wait;
3601	}	3761	}
3602		3762
3603	sub wait_for_tick_begin {	3763	sub wait_for_tick_begin {
3604	return unless $TICK_WATCHER->is_active;
3605	return if $Coro::current == $Coro::main;	3764	return if tick_inhibit || $Coro::current == $Coro::main;
3606		3765
3607	my $signal = new Coro::Signal;	3766	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	3767	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	3768	$signal->wait;
3610	}	3769	}
3611		3770
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3771	sub tick {
3613	if ($Coro::current != $Coro::main) {	3772	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3773	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	3774	unless ++$bug_warning > 10;
3616	return;	3775	return;
3617	}	3776	}
3618		3777
3619	$NOW = $tick_start = EV::now;
3620
3621	cf::server_tick; # one server iteration	3778	cf::server_tick; # one server iteration
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		3779
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3780	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3781	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	3782	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	3783	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	3784	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	3785	or warn "ERROR: unable to write runtime file: $!";
3632	};	3786	};
3633	}	3787	}
3634		3788
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3789	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3637	}	3791	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	3792	while (my $sig = shift @WAIT_FOR_TICK) {
3639	$sig->send;	3793	$sig->send;
3640	}	3794	}
3641		3795
3642	$LOAD = ($NOW - $tick_start) / $TICK;	3796	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3797	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		3798
3645	_post_tick;	3799	if (0) {
3646	};	3800	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	3801	my $jitter = $TICK_START - $NEXT_TICK;
		3802	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3803	warn "jitter $JITTER\n";#d#
		3804	}
		3805	}
		3806	}
3648		3807
3649	{	3808	{
3650	# configure BDB	3809	# configure BDB
3651		3810
3652	BDB::min_parallel 8;	3811	BDB::min_parallel 8;
3653	BDB::max_poll_reqs $TICK * 0.1;	3812	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	3813	$AnyEvent::BDB::WATCHER->priority (1);
3655		3814
3656	unless ($DB_ENV) {	3815	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	3816	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3817	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	3818	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3819	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3820	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3821	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		3822
3663	cf::sync_job {	3823	cf::sync_job {
3664	eval {	3824	eval {
…		…
3690	{	3850	{
3691	# configure IO::AIO	3851	# configure IO::AIO
3692		3852
3693	IO::AIO::min_parallel 8;	3853	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	3854	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	3855	undef $AnyEvent::AIO::WATCHER;
3696	}	3856	}
3697		3857
3698	my $_log_backtrace;	3858	my $_log_backtrace;
3699		3859
3700	sub _log_backtrace {	3860	sub _log_backtrace {
…		…
3703	$msg =~ s/\n//;	3863	$msg =~ s/\n//;
3704		3864
3705	# limit the # of concurrent backtraces	3865	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	3866	if ($_log_backtrace < 2) {
3707	++$_log_backtrace;	3867	++$_log_backtrace;
		3868	my $perl_bt = Carp::longmess $msg;
3708	async {	3869	async {
3709	$Coro::current->{desc} = "abt $msg";	3870	$Coro::current->{desc} = "abt $msg";
3710		3871
3711	my @bt = fork_call {	3872	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	3873	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	3884	}
3724		3885
3725	@funcs	3886	@funcs
3726	};	3887	};
3727		3888
3728	LOG llevInfo, "[ABT] $msg\n";	3889	LOG llevInfo, "[ABT] $perl_bt\n";
		3890	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	3891	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	3892	--$_log_backtrace;
3731	};	3893	};
3732	} else {	3894	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	3895	LOG llevInfo, "[ABT] $msg\n";

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