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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC vs.
Revision 1.460 by root, Mon Dec 15 17:04:53 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;
…		…
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	226	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		227
195	LOG llevError, $msg;	228	LOG llevError, $msg;
196	};	229	};
197	}	230	}
		231
		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
		241	warn Carp::longmess $_[0];
		242	Coro::terminate
		243	};
		244
		245	$SIG{__DIE__} = sub { }; #d#?
198		246
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	247	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	248	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	249	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	250	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	257	for my $pkg (qw(
210	cf::global cf::attachable	258	cf::global cf::attachable
211	cf::object cf::object::player	259	cf::object cf::object::player
212	cf::client cf::player	260	cf::client cf::player
213	cf::arch cf::living	261	cf::arch cf::living
		262	cf::map cf::mapspace
214	cf::map cf::party cf::region	263	cf::party cf::region
215	)) {	264	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	265	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	266	}
219		267
220	$EV::DIED = sub {	268	$EV::DIED = sub {
221	warn "error in event callback: @_";	269	warn "error in event callback: @_";
…		…
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	311	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		312
265	sub encode_json($) { $json_coder->encode ($_[0]) }	313	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	314	sub decode_json($) { $json_coder->decode ($_[0]) }
267		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
268	=item cf::lock_wait $string	330	=item cf::lock_wait $string
269		331
270	Wait until the given lock is available. See cf::lock_acquire.	332	Wait until the given lock is available. See cf::lock_acquire.
271		333
272	=item my $lock = cf::lock_acquire $string	334	=item my $lock = cf::lock_acquire $string
273		335
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	338	for example when the coroutine gets canceled), the lock is automatically
277	returned.	339	returned.
278		340
279	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
280	deadlocked coro.	342	deadlocked coro.
…		…
286		348
287	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.
288		350
289	=cut	351	=cut
290		352
291	our %LOCK;	353	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		354
294	sub lock_wait($) {	355	sub lock_wait($) {
295	my ($key) = @_;	356	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	357	}
308		358
309	sub lock_acquire($) {	359	sub lock_acquire($) {
310	my ($key) = @_;	360	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	361	}
324		362
325	sub lock_active($) {	363	sub lock_active($) {
326	my ($key) = @_;	364	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	365	}
330		366
331	sub freeze_mainloop {	367	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	368	tick_inhibit_inc;
333		369
334	my $guard = Coro::guard {	370	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	371	}
340		372
341	=item cf::periodic $interval, $cb	373	=item cf::periodic $interval, $cb
342		374
343	Like EV::periodic, but randomly selects a starting point so that the actions	375	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
398	}	430	}
399	}	431	}
400	};	432	};
401		433
402	sub get_slot($;$$) {	434	sub get_slot($;$$) {
		435	return if tick_inhibit || $Coro::current == $Coro::main;
		436
403	my ($time, $pri, $name) = @_;	437	my ($time, $pri, $name) = @_;
404		438
405	$time = $TICK * .6 if $time > $TICK * .6;	439	$time = $TICK * .6 if $time > $TICK * .6;
406	my $sig = new Coro::Signal;	440	my $sig = new Coro::Signal;
407		441
…		…
444	# this is the main coro, too bad, we have to block	478	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	479	# till the operation succeeds, freezing the server :/
446		480
447	LOG llevError, Carp::longmess "sync job";#d#	481	LOG llevError, Carp::longmess "sync job";#d#
448		482
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	483	my $freeze_guard = freeze_mainloop;
452		484
453	my $busy = 1;	485	my $busy = 1;
454	my @res;	486	my @res;
455		487
…		…
466	} else {	498	} else {
467	EV::loop EV::LOOP_ONESHOT;	499	EV::loop EV::LOOP_ONESHOT;
468	}	500	}
469	}	501	}
470		502
471	$time = EV::time - $time;	503	my $time = EV::time - $time;
472		504
473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476	$tick_start += $time; # do not account sync jobs to server load	505	$TICK_START += $time; # do not account sync jobs to server load
477		506
478	wantarray ? @res : $res[0]	507	wantarray ? @res : $res[0]
479	} else {	508	} else {
480	# we are in another coroutine, how wonderful, everything just works	509	# we are in another coroutine, how wonderful, everything just works
481		510
…		…
523	reset_signals;	552	reset_signals;
524	&$cb	553	&$cb
525	}, @args;	554	}, @args;
526		555
527	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
528	}	584	}
529		585
530	=item $value = cf::db_get $family => $key	586	=item $value = cf::db_get $family => $key
531		587
532	Returns a single value from the environment database.	588	Returns a single value from the environment database.
…		…
671		727
672	#############################################################################	728	#############################################################################
673		729
674	=head2 ATTACHABLE OBJECTS	730	=head2 ATTACHABLE OBJECTS
675		731
676	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
677	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")
678	to it. All such attachable objects support the following methods.	734	to it. All such attachable objects support the following methods.
679		735
680	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>
681	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
…		…
731	=item cf::CLASS::attachment $name, ...	787	=item cf::CLASS::attachment $name, ...
732		788
733	Register an attachment by C<$name> through which attachable objects of the	789	Register an attachment by C<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	790	given CLASS can refer to this attachment.
735		791
736	Some classes such as crossfire maps and objects can specify attachments	792	Some classes such as deliantra maps and objects can specify attachments
737	that are attached at load/instantiate time, thus the need for a name.	793	that are attached at load/instantiate time, thus the need for a name.
738		794
739	These calls expect any number of the following handler/hook descriptions:	795	These calls expect any number of the following handler/hook descriptions:
740		796
741	=over 4	797	=over 4
…		…
1032		1088
1033	sub reattach {	1089	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1090	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1091	my ($obj) = @_;
1036		1092
		1093	# no longer needed after getting rid of delete_package?
1037	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
1038		1095
1039	my $registry = $obj->registry;	1096	my $registry = $obj->registry;
1040		1097
1041	@$registry = ();	1098	@$registry = ();
1042		1099
…		…
1088	utf8::decode (my $decname = $filename);	1145	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1146	warn sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1147	$decname, length $$rdata, scalar @$objs;
1091		1148
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1150	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	aio_fsync $fh if $cf::USE_FSYNC;	1152	aio_fsync $fh if $cf::USE_FSYNC;
1096	close $fh;	1153	aio_close $fh;
1097		1154
1098	if (@$objs) {	1155	if (@$objs) {
1099	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) {
1100	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1159	aio_write $fh, 0, (length $data), $data, 0;
1103	aio_fsync $fh if $cf::USE_FSYNC;	1160	aio_fsync $fh if $cf::USE_FSYNC;
1104	close $fh;	1161	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1162	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1163	}
1107	} else {	1164	} else {
1108	aio_unlink "$filename.pst";	1165	aio_unlink "$filename.pst";
1109	}	1166	}
1110		1167
1111	aio_rename "$filename~", $filename;	1168	aio_rename "$filename~", $filename;
		1169
		1170	$filename =~ s%/[^/]+$%%;
		1171	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1172	} else {
1113	warn "FATAL: $filename~: $!\n";	1173	warn "unable to save objects: $filename~: $!\n";
1114	}	1174	}
1115	} else {	1175	} else {
1116	aio_unlink $filename;	1176	aio_unlink $filename;
1117	aio_unlink "$filename.pst";	1177	aio_unlink "$filename.pst";
1118	}	1178	}
…		…
1209	my ($name, $cb) = @_;	1269	my ($name, $cb) = @_;
1210		1270
1211	$EXTICMD{$name} = $cb;	1271	$EXTICMD{$name} = $cb;
1212	}	1272	}
1213		1273
		1274	use File::Glob ();
		1275
1214	cf::player->attach (	1276	cf::player->attach (
1215	on_command => sub {	1277	on_command => sub {
1216	my ($pl, $name, $params) = @_;	1278	my ($pl, $name, $params) = @_;
1217		1279
1218	my $cb = $COMMAND{$name}	1280	my $cb = $COMMAND{$name}
…		…
1250		1312
1251	cf::override;	1313	cf::override;
1252	},	1314	},
1253	);	1315	);
1254		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
1255	sub load_extensions {	1330	sub load_extensions {
1256	cf::sync_job {	1331	cf::sync_job {
1257	my %todo;	1332	my %todo;
1258		1333
1259	for my $path (<$LIBDIR/*.ext>) {	1334	for my $path (<$LIBDIR/*.ext>) {
…		…
1278		1353
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1354	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1355	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1356
1282	$ext{source} =	1357	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1358	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1284	. "#line 1 \"$path\"\n{\n"	1359	. "#line 1 \"$path\"\n{\n"
1285	. $source	1360	. $source
1286	. "\n};\n1";	1361	. "\n};\n1";
1287		1362
1288	$todo{$base} = \%ext;	1363	$todo{$base} = \%ext;
…		…
1304	my $msg = $@ ? "$v->{path}: $@\n"	1379	my $msg = $@ ? "$v->{path}: $@\n"
1305	: "$v->{base}: extension inactive.\n";	1380	: "$v->{base}: extension inactive.\n";
1306		1381
1307	if (exists $v->{meta}{mandatory}) {	1382	if (exists $v->{meta}{mandatory}) {
1308	warn $msg;	1383	warn $msg;
1309	warn "mandatory extension failed to load, exiting.\n";	1384	cf::cleanup "mandatory extension failed to load, exiting.";
1310	exit 1;
1311	}	1385	}
1312		1386
1313	warn $msg;	1387	warn $msg;
1314	}	1388	}
1315		1389
…		…
1329		1403
1330	=back	1404	=back
1331		1405
1332	=head2 CORE EXTENSIONS	1406	=head2 CORE EXTENSIONS
1333		1407
1334	Functions and methods that extend core crossfire objects.	1408	Functions and methods that extend core deliantra objects.
1335		1409
1336	=cut	1410	=cut
1337		1411
1338	package cf::player;	1412	package cf::player;
1339		1413
…		…
1382		1456
1383	sub exists($) {	1457	sub exists($) {
1384	my ($login) = @_;	1458	my ($login) = @_;
1385		1459
1386	$cf::PLAYER{$login}	1460	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1461	or !aio_stat path $login
1388	}	1462	}
1389		1463
1390	sub find($) {	1464	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1465	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1466	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1478	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1479	or return;
1406		1480
1407	my $pl = cf::player::load_pl $f	1481	my $pl = cf::player::load_pl $f
1408	or return;	1482	or return;
		1483
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1484	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1485	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1486	$cf::PLAYER{$login} = $pl
1412	}	1487	}
1413	}	1488	}
…		…
1423		1498
1424	return if $pl->{deny_save};	1499	return if $pl->{deny_save};
1425		1500
1426	aio_mkdir playerdir $pl, 0770;	1501	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1502	$pl->{last_save} = $cf::RUNTIME;
		1503
		1504	cf::get_slot 0.01;
1428		1505
1429	$pl->save_pl ($path);	1506	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1507	cf::cede_to_tick;
1431	}	1508	}
1432		1509
…		…
1464	my ($pl) = @_;	1541	my ($pl) = @_;
1465		1542
1466	my $name = $pl->ob->name;	1543	my $name = $pl->ob->name;
1467		1544
1468	$pl->{deny_save} = 1;	1545	$pl->{deny_save} = 1;
1469	$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
1470		1547
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1548	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1472	$pl->deactivate;	1549	$pl->deactivate;
		1550	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1551	$pl->ob->check_score;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1552	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1474	$pl->ns->destroy if $pl->ns;	1553	$pl->ns->destroy if $pl->ns;
1475		1554
1476	my $path = playerdir $pl;	1555	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1556	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1516		1595
1517	for my $login (@$dirs) {	1596	for my $login (@$dirs) {
1518	my $path = path $login;	1597	my $path = path $login;
1519		1598
1520	# a .pst is a dead give-away for a valid player	1599	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1600	# if no pst file found, open and chekc for blocked users
		1601	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1602	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1603	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1604	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1605	}
1526		1606
…		…
1557	}	1637	}
1558		1638
1559	\@paths	1639	\@paths
1560	}	1640	}
1561		1641
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1642	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1643
1564	Expand crossfire pod fragments into protocol xml.	1644	Expand deliantra pod fragments into protocol xml.
1565
1566	=cut
1567
1568	use re 'eval';
1569
1570	my $group;
1571	my $interior; $interior = qr{
1572	# match a pod interior sequence sans C<< >>
1573	(?:
1574	\ (.*?)\ (?{ $group = $^N })
1575	| < (??{$interior}) >
1576	)
1577	}x;
1578
1579	sub expand_cfpod {
1580	my ($self, $pod) = @_;
1581
1582	my $xml;
1583
1584	while () {
1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586	$group = $1;
1587
1588	$group =~ s/&/&amp;/g;
1589	$group =~ s/</&lt;/g;
1590
1591	$xml .= $group;
1592	} elsif ($pod =~ m%\G
1593	([BCGHITU])
1594	<
1595	(?:
1596	([^<>]*) (?{ $group = $^N })
1597	| < $interior >
1598	)
1599	>
1600	%gcsx
1601	) {
1602	my ($code, $data) = ($1, $group);
1603
1604	if ($code eq "B") {
1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606	} elsif ($code eq "I") {
1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608	} elsif ($code eq "U") {
1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610	} elsif ($code eq "C") {
1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612	} elsif ($code eq "T") {
1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614	} elsif ($code eq "G") {
1615	my ($male, $female) = split /\|/, $data;
1616	$data = $self->gender ? $female : $male;
1617	$xml .= expand_cfpod ($self, $data);
1618	} elsif ($code eq "H") {
1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621	"")
1622	[$self->{hintmode}];
1623	} else {
1624	$xml .= "error processing '$code($data)' directive";
1625	}
1626	} else {
1627	if ($pod =~ /\G(.+)/) {
1628	warn "parse error while expanding $pod (at $1)";
1629	}
1630	last;
1631	}
1632	}
1633
1634	for ($xml) {
1635	# create single paragraphs (very hackish)
1636	s/(?<=\S)\n(?=\w)/ /g;
1637
1638	# compress some whitespace
1639	s/\s+\n/\n/g; # ws line-ends
1640	s/\n\n+/\n/g; # double lines
1641	s/^\n+//; # beginning lines
1642	s/\n+$//; # ending lines
1643	}
1644
1645	$xml
1646	}
1647
1648	no re 'eval';
1649
1650	sub hintmode {
1651	$_[0]{hintmode} = $_[1] if @_ > 1;
1652	$_[0]{hintmode}
1653	}
1654		1645
1655	=item $player->ext_reply ($msgid, @msg)	1646	=item $player->ext_reply ($msgid, @msg)
1656		1647
1657	Sends an ext reply to the player.	1648	Sends an ext reply to the player.
1658		1649
…		…
1725	our $MAX_RESET = 3600;	1716	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1717	our $DEFAULT_RESET = 3000;
1727		1718
1728	sub generate_random_map {	1719	sub generate_random_map {
1729	my ($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
1730	# mit "rum" bekleckern, nicht	1724	# mit "rum" bekleckern, nicht
1731	$self->_create_random_map (	1725	$self->_create_random_map (
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1726	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1727	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1728	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1856		1850
1857	# the temporary/swap location	1851	# the temporary/swap location
1858	sub save_path {	1852	sub save_path {
1859	my ($self) = @_;	1853	my ($self) = @_;
1860		1854
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1855	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	1856	"$TMPDIR/$path.map"
1863	}	1857	}
1864		1858
1865	# the unique path, undef == no special unique path	1859	# the unique path, undef == no special unique path
1866	sub uniq_path {	1860	sub uniq_path {
1867	my ($self) = @_;	1861	my ($self) = @_;
1868		1862
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	1864	"$UNIQUEDIR/$path"
1871	}	1865	}
1872		1866
1873	# and all this just because we cannot iterate over	1867	# and all this just because we cannot iterate over
1874	# all maps in C++...	1868	# all maps in C++...
…		…
1968	sub find {	1962	sub find {
1969	my ($path, $origin) = @_;	1963	my ($path, $origin) = @_;
1970		1964
1971	$path = normalise $path, $origin && $origin->path;	1965	$path = normalise $path, $origin && $origin->path;
1972		1966
1973	cf::lock_wait "map_data:$path";#d#remove	1967	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	1968	my $guard2 = cf::lock_acquire "map_find:$path";
1975		1969
1976	$cf::MAP{$path} || do {	1970	$cf::MAP{$path} || do {
1977	my $guard1 = cf::lock_acquire "map_find:$path";
1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1980	my $map = new_from_path cf::map $path	1971	my $map = new_from_path cf::map $path
1981	or return;	1972	or return;
1982		1973
1983	$map->{last_save} = $cf::RUNTIME;	1974	$map->{last_save} = $cf::RUNTIME;
1984		1975
…		…
1986	or return;	1977	or return;
1987		1978
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1979	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	1980	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	1981	#$cf::WAIT_FOR_TICK->wait;
		1982	undef $guard2;
1991	undef $guard1;	1983	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	1984	$map->reset;
1994	return find $path;	1985	return find $path;
1995	}	1986	}
1996		1987
1997	$cf::MAP{$path} = $map	1988	$cf::MAP{$path} = $map
…		…
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2015	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2016	$f->skip_block;
2026	$self->_load_objects ($f)	2017	$self->_load_objects ($f)
2027	or return;	2018	or return;
2028		2019
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2020	$self->post_load_original
2030	if delete $self->{load_original};	2021	if delete $self->{load_original};
2031		2022
2032	if (my $uniq = $self->uniq_path) {	2023	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2024	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2025	unless (aio_stat $uniq) {
…		…
2060	}	2051	}
2061		2052
2062	$self->{last_save} = $cf::RUNTIME;	2053	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2054	$self->last_access ($cf::RUNTIME);
2064		2055
2065	$self->in_memory (cf::MAP_IN_MEMORY);	2056	$self->in_memory (cf::MAP_ACTIVE);
2066	}	2057	}
2067		2058
2068	$self->post_load;	2059	$self->post_load;
2069	}	2060	}
2070		2061
…		…
2128	my ($path, $origin, $load) = @_;	2119	my ($path, $origin, $load) = @_;
2129		2120
2130	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
2131		2122
2132	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2134	}	2125	}
2135		2126
2136	$MAP_PREFETCH{$path} |= $load;	2127	$MAP_PREFETCH{$path} |= $load;
2137		2128
2138	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
…		…
2175	cf::async {	2166	cf::async {
2176	$Coro::current->{desc} = "map player save";	2167	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
2178	};	2169	};
2179		2170
		2171	cf::get_slot 0.02;
		2172
2180	if ($uniq) {	2173	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2176	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2177	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2192	$self->save;	2185	$self->save;
2193		2186
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2188
2196	return if $self->players;	2189	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
2198	return if $self->{deny_save};	2191	return if $self->{deny_save};
2199		2192
2200	$self->in_memory (cf::MAP_SWAPPED);	2193	$self->in_memory (cf::MAP_SWAPPED);
2201		2194
2202	$self->deactivate;	2195	$self->deactivate;
…		…
2320		2313
2321	sub unique_maps() {	2314	sub unique_maps() {
2322	[	2315	[
2323	map {	2316	map {
2324	utf8::decode $_;	2317	utf8::decode $_;
2325	/\.map$/	2318	s/\.map$//; # TODO future compatibility hack
		2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2320	? ()
2326	? normalise $_	2321	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2322	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2323	]
2330	}	2324	}
2331		2325
2332	package cf;
2333
2334	=back	2326	=back
2335		2327
2336	=head3 cf::object	2328	=head3 cf::object
2337		2329
2338	=cut	2330	=cut
…		…
2341		2333
2342	=over 4	2334	=over 4
2343		2335
2344	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
2345		2337
2346	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
2347		2340
2348	=cut	2341	=cut
2349		2342
2350	sub inv_recursive_;	2343	sub inv_recursive_;
2351	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
2357	}	2350	}
2358		2351
2359	=item $ref = $ob->ref	2352	=item $ref = $ob->ref
2360		2353
2361	creates and returns a persistent reference to an objetc that can be stored as a string.	2354	Creates and returns a persistent reference to an object that can be stored as a string.
2362		2355
2363	=item $ob = cf::object::deref ($refstring)	2356	=item $ob = cf::object::deref ($refstring)
2364		2357
2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366	even if the object actually exists. May block.	2359	even if the object actually exists. May block.
…		…
2398	can be C<undef>. Does the right thing when the player is currently in a	2391	can be C<undef>. Does the right thing when the player is currently in a
2399	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
2400		2393
2401	=cut	2394	=cut
2402		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
		2409
2403	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2411	# with dialog boxes.
2405	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
2406	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2414	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2425	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2427
2421	} else {	2428	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2431	}
2425	}	2432	}
2426	}	2433	}
2427		2434
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2460
2454	=item $player_object->enter_link	2461	=item $player_object->enter_link
2455		2462
2456	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
2457		2464
2458	The player should be reasonably safe there for short amounts of time. You	2465	The player should be reasonably safe there for short amounts of time (e.g.
2459	I<MUST> call C<leave_link> as soon as possible, though.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
2460		2469
2461	Will never block.	2470	Will never block.
2462		2471
2463	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
2464		2473
…		…
2522		2531
2523	$map->load;	2532	$map->load;
2524	$map->load_neighbours;	2533	$map->load_neighbours;
2525		2534
2526	return unless $self->contr->active;	2535	return unless $self->contr->active;
		2536	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2527	$self->activate_recursive;	2537	$self->activate_recursive;
2528		2538
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2539	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2540	$self->enter_map ($map, $x, $y);
2531	}	2541	}
…		…
2535	Moves the player to the given map-path and coordinates by first freezing	2545	Moves the player to the given map-path and coordinates by first freezing
2536	her, loading and preparing them map, calling the provided $check callback	2546	her, loading and preparing them map, calling the provided $check callback
2537	that has to return the map if sucecssful, and then unfreezes the player on	2547	that has to return the map if sucecssful, and then unfreezes the player on
2538	the new (success) or old (failed) map position. In either case, $done will	2548	the new (success) or old (failed) map position. In either case, $done will
2539	be called at the end of this process.	2549	be called at the end of this process.
		2550
		2551	Note that $check will be called with a potentially non-loaded map, so if
		2552	it needs a loaded map it has to call C<< ->load >>.
2540		2553
2541	=cut	2554	=cut
2542		2555
2543	our $GOTOGEN;	2556	our $GOTOGEN;
2544		2557
…		…
2623	}	2636	}
2624		2637
2625	sub prepare_random_map {	2638	sub prepare_random_map {
2626	my ($exit) = @_;	2639	my ($exit) = @_;
2627		2640
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2641	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2642	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2643	# that depends on the exit object
2633		2644
2634	my $rmp = parse_random_map_params $exit->msg;	2645	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2647	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2648	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2649	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2650	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2651	$rmp->{origin_y} = $exit->y;
		2652
		2653	$exit->map->touch;
2641	}	2654	}
2642		2655
2643	$rmp->{random_seed} ||= $exit->random_seed;	2656	$rmp->{random_seed} ||= $exit->random_seed;
2644		2657
2645	my $data = cf::encode_json $rmp;	2658	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2659	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2660	my $meta = "$RANDOMDIR/$md5.meta";
2648		2661
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2662	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2663	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2664	undef $fh;
2652	aio_rename "$meta~", $meta;	2665	aio_rename "$meta~", $meta;
2653		2666
		2667	my $slaying = "?random/$md5";
		2668
		2669	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2670	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2671	$exit->msg (undef);
		2672	}
2656	}	2673	}
2657	}	2674	}
2658		2675
2659	sub cf::object::player::enter_exit {	2676	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2677	my ($self, $exit) = @_;
2661		2678
2662	return unless $self->type == cf::PLAYER;	2679	return unless $self->type == cf::PLAYER;
2663		2680
2664	if ($exit->slaying eq "/!") {
2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
2666	# the problem is that $exit might not survive long enough
2667	# so it needs to be done right now, right here
2668	cf::sync_job { prepare_random_map $exit };
2669	}
2670
2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672	my $hp = $exit->stats->hp;
2673	my $sp = $exit->stats->sp;
2674
2675	$self->enter_link;	2681	$self->enter_link;
2676		2682
2677	# if exit is damned, update players death & WoR home-position
2678	$self->contr->savebed ($slaying, $hp, $sp)
2679	if $exit->flag (FLAG_DAMNED);
2680
2681	(async {	2683	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2684	$Coro::current->{desc} = "enter_exit";
2683		2685
2684	$self->deactivate_recursive; # just to be sure
2685	unless (eval {	2686	unless (eval {
		2687	$self->deactivate_recursive; # just to be sure
		2688
		2689	# random map handling
		2690	{
		2691	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2692
		2693	prepare_random_map $exit
		2694	if $exit->slaying eq "/!";
		2695	}
		2696
		2697	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2698	my $x = $exit->stats->hp;
		2699	my $y = $exit->stats->sp;
		2700
2686	$self->goto ($slaying, $hp, $sp);	2701	$self->goto ($map, $x, $y);
2687		2702
		2703	# if exit is damned, update players death & WoR home-position
		2704	$self->contr->savebed ($map, $x, $y)
		2705	if $exit->flag (cf::FLAG_DAMNED);
		2706
2688	1;	2707	1
2689	}) {	2708	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	2709	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "I'll try to bring you back to the map you were before. "	2710	. "I'll try to bring you back to the map you were before. "
2692	. "Please report this to the dungeon master!",	2711	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	2712	cf::NDI_UNIQUE | cf::NDI_RED);
2694		2713
2695	warn "ERROR in enter_exit: $@";	2714	warn "ERROR in enter_exit: $@";
…		…
2761	id => "infobox",	2780	id => "infobox",
2762	title => "Body Parts",	2781	title => "Body Parts",
2763	reply => undef,	2782	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	2783	tooltip => "Shows which body parts you posess and are available",
2765	},	2784	},
		2785	"c/skills" => {
		2786	id => "infobox",
		2787	title => "Skills",
		2788	reply => undef,
		2789	tooltip => "Shows your experience per skill and item power",
		2790	},
2766	"c/uptime" => {	2791	"c/uptime" => {
2767	id => "infobox",	2792	id => "infobox",
2768	title => "Uptime",	2793	title => "Uptime",
2769	reply => undef,	2794	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	2795	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	2798	id => "infobox",
2774	title => "Map Info",	2799	title => "Map Info",
2775	reply => undef,	2800	reply => undef,
2776	tooltip => "Information related to the maps",	2801	tooltip => "Information related to the maps",
2777	},	2802	},
		2803	"c/party" => {
		2804	id => "party",
		2805	title => "Party",
		2806	reply => "gsay ",
		2807	tooltip => "Messages and chat related to your party",
		2808	},
2778	);	2809	);
2779		2810
2780	sub cf::client::send_msg {	2811	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	2812	my ($self, $channel, $msg, $color, @extra) = @_;
2782		2813
2783	$msg = $self->pl->expand_cfpod ($msg);	2814	$msg = $self->pl->expand_cfpod ($msg)
		2815	unless $color & cf::NDI_VERBATIM;
2784		2816
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	2817	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		2818
2787	# check predefined channels, for the benefit of C	2819	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	2820	if ($CHANNEL{$channel}) {
…		…
2809	if ($self->can_msg) {	2841	if ($self->can_msg) {
2810	# default colour, mask it out	2842	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2843	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	2844	if $color & cf::NDI_DEF;
2813		2845
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	2846	my $pkt = "msg "
		2847	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2848	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2849	);
		2850
		2851	# try lzf for large packets
		2852	$pkt = "lzf " . Compress::LZF::compress $pkt
		2853	if 1024 <= length $pkt and $self->{can_lzf};
		2854
		2855	# split very large packets
		2856	if (8192 < length $pkt and $self->{can_lzf}) {
		2857	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2858	$pkt = "frag";
		2859	}
		2860
		2861	$self->send_packet ($pkt);
2816	} else {	2862	} else {
2817	if ($color >= 0) {	2863	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones	2864	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {	2865	for ($msg) {
2820	1 while	2866	1 while
…		…
3019		3065
3020	The following functions and methods are available within a safe environment:	3066	The following functions and methods are available within a safe environment:
3021		3067
3022	cf::object	3068	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3069	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3070	insert remove name archname title slaying race decrease split
3025		3071
3026	cf::object::player	3072	cf::object::player
3027	player	3073	player
3028		3074
3029	cf::player	3075	cf::player
…		…
3034		3080
3035	=cut	3081	=cut
3036		3082
3037	for (	3083	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3084	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3085	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3086	decrease split destroy change_exp)],
3041	["cf::object::player" => qw(player)],	3087	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3088	["cf::player" => qw(peaceful)],
3043	["cf::map" => qw(trigger)],	3089	["cf::map" => qw(trigger)],
3044	) {	3090	) {
3045	no strict 'refs';	3091	no strict 'refs';
…		…
3253	while (my ($k, $v) = each %$want) {	3299	while (my ($k, $v) = each %$want) {
3254	$ns->fx_want ($k, $v);	3300	$ns->fx_want ($k, $v);
3255	}	3301	}
3256	};	3302	};
3257		3303
		3304	sub load_resource_file($) {
		3305	my $guard = lock_acquire "load_resource_file";
		3306
		3307	my $status = load_resource_file_ $_[0];
		3308	get_slot 0.1, 100;
		3309	cf::arch::commit_load;
		3310
		3311	$status
		3312	}
		3313
3258	sub reload_regions {	3314	sub reload_regions {
3259	# HACK to clear player env face cache, we need some signal framework	3315	# HACK to clear player env face cache, we need some signal framework
3260	# for this (global event?)	3316	# for this (global event?)
3261	%ext::player_env::MUSIC_FACE_CACHE = ();	3317	%ext::player_env::MUSIC_FACE_CACHE = ();
3262		3318
…		…
3275	}	3331	}
3276		3332
3277	sub reload_archetypes {	3333	sub reload_archetypes {
3278	load_resource_file "$DATADIR/archetypes"	3334	load_resource_file "$DATADIR/archetypes"
3279	or die "unable to load archetypes\n";	3335	or die "unable to load archetypes\n";
3280	#d# NEED to laod twice to resolve forward references
3281	# this really needs to be done in an extra post-pass
3282	# (which needs to be synchronous, so solve it differently)
3283	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";
3285	}	3336	}
3286		3337
3287	sub reload_treasures {	3338	sub reload_treasures {
3288	load_resource_file "$DATADIR/treasures"	3339	load_resource_file "$DATADIR/treasures"
3289	or die "unable to load treasurelists\n";	3340	or die "unable to load treasurelists\n";
3290	}	3341	}
3291		3342
3292	sub reload_resources {	3343	sub reload_resources {
3293	warn "reloading resource files...\n";	3344	warn "reloading resource files...\n";
3294		3345
		3346	reload_facedata;
		3347	reload_archetypes;
3295	reload_regions;	3348	reload_regions;
3296	reload_facedata;
3297	#reload_archetypes;#d#
3298	reload_archetypes;
3299	reload_treasures;	3349	reload_treasures;
3300		3350
3301	warn "finished reloading resource files\n";	3351	warn "finished reloading resource files\n";
3302	}
3303
3304	sub init {
3305	reload_resources;
3306	}	3352	}
3307		3353
3308	sub reload_config {	3354	sub reload_config {
3309	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
3310	or return;	3356	or return;
3311		3357
3312	local $/;	3358	local $/;
3313	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
3314		3360
3315	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3316		3362
3317	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3318	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3324	};	3370	};
3325	warn $@ if $@;	3371	warn $@ if $@;
3326	}	3372	}
3327	}	3373	}
3328		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
3329	sub main {	3394	sub main {
		3395	cf::init_globals; # initialise logging
		3396
		3397	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3398	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3399	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3400	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3401
		3402	cf::init_experience;
		3403	cf::init_anim;
		3404	cf::init_attackmess;
		3405	cf::init_dynamic;
		3406	cf::init_block;
		3407
		3408	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3409
3330	# we must not ever block the main coroutine	3410	# we must not ever block the main coroutine
3331	local $Coro::idle = sub {	3411	local $Coro::idle = sub {
3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3412	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3333	(async {	3413	(async {
3334	$Coro::current->{desc} = "IDLE BUG HANDLER";	3414	$Coro::current->{desc} = "IDLE BUG HANDLER";
3335	EV::loop EV::LOOP_ONESHOT;	3415	EV::loop EV::LOOP_ONESHOT;
3336	})->prio (Coro::PRIO_MAX);	3416	})->prio (Coro::PRIO_MAX);
3337	};	3417	};
3338		3418
		3419	evthread_start IO::AIO::poll_fileno;
		3420
		3421	cf::sync_job {
		3422	reload_resources;
3339	reload_config;	3423	reload_config;
3340	db_init;	3424	db_init;
		3425
		3426	cf::load_settings;
		3427	cf::load_materials;
		3428	cf::init_uuid;
		3429	cf::init_signals;
		3430	cf::init_commands;
		3431	cf::init_skills;
		3432
		3433	cf::init_beforeplay;
		3434
		3435	atomic;
		3436
3341	load_extensions;	3437	load_extensions;
3342		3438
3343	$TICK_WATCHER->start;	3439	utime time, time, $RUNTIMEFILE;
3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3440
		3441	# no (long-running) fork's whatsoever before this point(!)
		3442	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3443
		3444	(pop @POST_INIT)->(0) while @POST_INIT;
		3445	};
		3446
3345	EV::loop;	3447	EV::loop;
3346	}	3448	}
3347		3449
3348	#############################################################################	3450	#############################################################################
3349	# initialisation and cleanup	3451	# initialisation and cleanup
…		…
3356	cf::cleanup "SIG$signal";	3458	cf::cleanup "SIG$signal";
3357	};	3459	};
3358	}	3460	}
3359	}	3461	}
3360		3462
3361	sub write_runtime {	3463	sub write_runtime_sync {
3362	my $runtime = "$LOCALDIR/runtime";
3363
3364	# first touch the runtime file to show we are still running:	3464	# first touch the runtime file to show we are still running:
3365	# the fsync below can take a very very long time.	3465	# the fsync below can take a very very long time.
3366		3466
3367	IO::AIO::aio_utime $runtime, undef, undef;	3467	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3368		3468
3369	my $guard = cf::lock_acquire "write_runtime";	3469	my $guard = cf::lock_acquire "write_runtime";
3370		3470
3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3471	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3372	or return;	3472	or return;
3373		3473
3374	my $value = $cf::RUNTIME + 90 + 10;	3474	my $value = $cf::RUNTIME + 90 + 10;
3375	# 10 is the runtime save interval, for a monotonic clock	3475	# 10 is the runtime save interval, for a monotonic clock
3376	# 60 allows for the watchdog to kill the server.	3476	# 60 allows for the watchdog to kill the server.
…		…
3386	aio_utime $fh, undef, undef;	3486	aio_utime $fh, undef, undef;
3387		3487
3388	close $fh	3488	close $fh
3389	or return;	3489	or return;
3390		3490
3391	aio_rename "$runtime~", $runtime	3491	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3392	and return;	3492	and return;
3393		3493
3394	warn "runtime file written.\n";	3494	warn "runtime file written.\n";
3395		3495
3396	1	3496	1
		3497	}
		3498
		3499	our $uuid_lock;
		3500	our $uuid_skip;
		3501
		3502	sub write_uuid_sync($) {
		3503	$uuid_skip ||= $_[0];
		3504
		3505	return if $uuid_lock;
		3506	local $uuid_lock = 1;
		3507
		3508	my $uuid = "$LOCALDIR/uuid";
		3509
		3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3511	or return;
		3512
		3513	my $value = uuid_seq uuid_cur;
		3514
		3515	unless ($value) {
		3516	warn "cowardly refusing to write zero uuid value!\n";
		3517	return;
		3518	}
		3519
		3520	my $value = uuid_str $value + $uuid_skip;
		3521	$uuid_skip = 0;
		3522
		3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3524	and return;
		3525
		3526	# always fsync - this file is important
		3527	aio_fsync $fh
		3528	and return;
		3529
		3530	close $fh
		3531	or return;
		3532
		3533	aio_rename "$uuid~", $uuid
		3534	and return;
		3535
		3536	warn "uuid file written ($value).\n";
		3537
		3538	1
		3539
		3540	}
		3541
		3542	sub write_uuid($$) {
		3543	my ($skip, $sync) = @_;
		3544
		3545	$sync ? write_uuid_sync $skip
		3546	: async { write_uuid_sync $skip };
3397	}	3547	}
3398		3548
3399	sub emergency_save() {	3549	sub emergency_save() {
3400	my $freeze_guard = cf::freeze_mainloop;	3550	my $freeze_guard = cf::freeze_mainloop;
3401		3551
3402	warn "enter emergency perl save\n";	3552	warn "emergency_perl_save: enter\n";
3403		3553
3404	cf::sync_job {	3554	cf::sync_job {
		3555	# this is a trade-off: we want to be very quick here, so
		3556	# save all maps without fsync, and later call a global sync
		3557	# (which in turn might be very very slow)
		3558	local $USE_FSYNC = 0;
		3559
3405	# use a peculiar iteration method to avoid tripping on perl	3560	# use a peculiar iteration method to avoid tripping on perl
3406	# refcount bugs in for. also avoids problems with players	3561	# refcount bugs in for. also avoids problems with players
3407	# and maps saved/destroyed asynchronously.	3562	# and maps saved/destroyed asynchronously.
3408	warn "begin emergency player save\n";	3563	warn "emergency_perl_save: begin player save\n";
3409	for my $login (keys %cf::PLAYER) {	3564	for my $login (keys %cf::PLAYER) {
3410	my $pl = $cf::PLAYER{$login} or next;	3565	my $pl = $cf::PLAYER{$login} or next;
3411	$pl->valid or next;	3566	$pl->valid or next;
3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3567	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3413	$pl->save;	3568	$pl->save;
3414	}	3569	}
3415	warn "end emergency player save\n";	3570	warn "emergency_perl_save: end player save\n";
3416		3571
3417	warn "begin emergency map save\n";	3572	warn "emergency_perl_save: begin map save\n";
3418	for my $path (keys %cf::MAP) {	3573	for my $path (keys %cf::MAP) {
3419	my $map = $cf::MAP{$path} or next;	3574	my $map = $cf::MAP{$path} or next;
3420	$map->valid or next;	3575	$map->valid or next;
3421	$map->save;	3576	$map->save;
3422	}	3577	}
3423	warn "end emergency map save\n";	3578	warn "emergency_perl_save: end map save\n";
3424		3579
3425	warn "begin emergency database checkpoint\n";	3580	warn "emergency_perl_save: begin database checkpoint\n";
3426	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
3427	warn "end emergency database checkpoint\n";	3582	warn "emergency_perl_save: end database checkpoint\n";
		3583
		3584	warn "emergency_perl_save: begin write uuid\n";
		3585	write_uuid_sync 1;
		3586	warn "emergency_perl_save: end write uuid\n";
3428	};	3587	};
3429		3588
		3589	warn "emergency_perl_save: starting sync()\n";
		3590	IO::AIO::aio_sync sub {
		3591	warn "emergency_perl_save: finished sync()\n";
		3592	};
		3593
3430	warn "leave emergency perl save\n";	3594	warn "emergency_perl_save: leave\n";
3431	}	3595	}
3432		3596
3433	sub post_cleanup {	3597	sub post_cleanup {
3434	my ($make_core) = @_;	3598	my ($make_core) = @_;
3435		3599
3436	warn Carp::longmess "post_cleanup backtrace"	3600	warn Carp::longmess "post_cleanup backtrace"
3437	if $make_core;	3601	if $make_core;
		3602
		3603	my $fh = pidfile;
		3604	unlink $PIDFILE if <$fh> == $$;
		3605	}
		3606
		3607	# a safer delete_package, copied from Symbol
		3608	sub clear_package($) {
		3609	my $pkg = shift;
		3610
		3611	# expand to full symbol table name if needed
		3612	unless ($pkg =~ /^main::.*::$/) {
		3613	$pkg = "main$pkg" if $pkg =~ /^::/;
		3614	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3615	$pkg .= '::' unless $pkg =~ /::$/;
		3616	}
		3617
		3618	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3619	my $stem_symtab = *{$stem}{HASH};
		3620
		3621	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3622	or return;
		3623
		3624	# clear all symbols
		3625	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3626	for my $name (keys %$leaf_symtab) {
		3627	_gv_clear *{"$pkg$name"};
		3628	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3629	}
		3630	warn "cleared package $pkg\n";#d#
3438	}	3631	}
3439		3632
3440	sub do_reload_perl() {	3633	sub do_reload_perl() {
3441	# can/must only be called in main	3634	# can/must only be called in main
3442	if ($Coro::current != $Coro::main) {	3635	if ($Coro::current != $Coro::main) {
3443	warn "can only reload from main coroutine";	3636	warn "can only reload from main coroutine";
3444	return;	3637	return;
3445	}	3638	}
3446		3639
		3640	return if $RELOAD++;
		3641
		3642	my $t1 = EV::time;
		3643
		3644	while ($RELOAD) {
3447	warn "reloading...";	3645	warn "reloading...";
3448		3646
3449	warn "entering sync_job";	3647	warn "entering sync_job";
3450		3648
3451	cf::sync_job {	3649	cf::sync_job {
3452	cf::write_runtime; # external watchdog should not bark	3650	cf::write_runtime_sync; # external watchdog should not bark
3453	cf::emergency_save;	3651	cf::emergency_save;
3454	cf::write_runtime; # external watchdog should not bark	3652	cf::write_runtime_sync; # external watchdog should not bark
3455		3653
3456	warn "syncing database to disk";	3654	warn "syncing database to disk";
3457	BDB::db_env_txn_checkpoint $DB_ENV;	3655	BDB::db_env_txn_checkpoint $DB_ENV;
3458		3656
3459	# if anything goes wrong in here, we should simply crash as we already saved	3657	# if anything goes wrong in here, we should simply crash as we already saved
3460		3658
3461	warn "flushing outstanding aio requests";	3659	warn "flushing outstanding aio requests";
3462	for (;;) {
3463	BDB::flush;
3464	IO::AIO::flush;
3465	Coro::cede_notself;
3466	last unless IO::AIO::nreqs || BDB::nreqs;	3660	while (IO::AIO::nreqs || BDB::nreqs) {
3467	warn "iterate...";	3661	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3468	}
3469
3470	++$RELOAD;
3471
3472	warn "cancelling all extension coros";
3473	$_->cancel for values %EXT_CORO;
3474	%EXT_CORO = ();
3475
3476	warn "removing commands";
3477	%COMMAND = ();
3478
3479	warn "removing ext/exti commands";
3480	%EXTCMD = ();
3481	%EXTICMD = ();
3482
3483	warn "unloading/nuking all extensions";
3484	for my $pkg (@EXTS) {
3485	warn "... unloading $pkg";
3486
3487	if (my $cb = $pkg->can ("unload")) {
3488	eval {
3489	$cb->($pkg);
3490	1
3491	} or warn "$pkg unloaded, but with errors: $@";
3492	}	3662	}
3493		3663
3494	warn "... nuking $pkg";	3664	warn "cancelling all extension coros";
3495	Symbol::delete_package $pkg;	3665	$_->cancel for values %EXT_CORO;
3496	}	3666	%EXT_CORO = ();
3497		3667
3498	warn "unloading all perl modules loaded from $LIBDIR";	3668	warn "removing commands";
3499	while (my ($k, $v) = each %INC) {	3669	%COMMAND = ();
3500	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3501		3670
		3671	warn "removing ext/exti commands";
		3672	%EXTCMD = ();
		3673	%EXTICMD = ();
		3674
		3675	warn "unloading/nuking all extensions";
		3676	for my $pkg (@EXTS) {
3502	warn "... unloading $k";	3677	warn "... unloading $pkg";
3503	delete $INC{$k};
3504		3678
3505	$k =~ s/\.pm$//;
3506	$k =~ s/\//::/g;
3507
3508	if (my $cb = $k->can ("unload_module")) {	3679	if (my $cb = $pkg->can ("unload")) {
		3680	eval {
3509	$cb->();	3681	$cb->($pkg);
		3682	1
		3683	} or warn "$pkg unloaded, but with errors: $@";
		3684	}
		3685
		3686	warn "... clearing $pkg";
		3687	clear_package $pkg;
3510	}	3688	}
3511		3689
3512	Symbol::delete_package $k;	3690	warn "unloading all perl modules loaded from $LIBDIR";
		3691	while (my ($k, $v) = each %INC) {
		3692	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3693
		3694	warn "... unloading $k";
		3695	delete $INC{$k};
		3696
		3697	$k =~ s/\.pm$//;
		3698	$k =~ s/\//::/g;
		3699
		3700	if (my $cb = $k->can ("unload_module")) {
		3701	$cb->();
		3702	}
		3703
		3704	clear_package $k;
3513	}	3705	}
3514		3706
3515	warn "getting rid of safe::, as good as possible";	3707	warn "getting rid of safe::, as good as possible";
3516	Symbol::delete_package "safe::$_"	3708	clear_package "safe::$_"
3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3709	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3518		3710
3519	warn "unloading cf.pm \"a bit\"";	3711	warn "unloading cf.pm \"a bit\"";
3520	delete $INC{"cf.pm"};	3712	delete $INC{"cf.pm"};
3521	delete $INC{"cf/pod.pm"};	3713	delete $INC{"cf/pod.pm"};
3522		3714
3523	# don't, removes xs symbols, too,	3715	# don't, removes xs symbols, too,
3524	# and global variables created in xs	3716	# and global variables created in xs
3525	#Symbol::delete_package __PACKAGE__;	3717	#clear_package __PACKAGE__;
3526		3718
3527	warn "unload completed, starting to reload now";	3719	warn "unload completed, starting to reload now";
3528		3720
3529	warn "reloading cf.pm";	3721	warn "reloading cf.pm";
3530	require cf;	3722	require cf;
3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3723	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3532		3724
3533	warn "loading config and database again";	3725	warn "loading config and database again";
3534	cf::reload_config;	3726	cf::reload_config;
3535		3727
3536	warn "loading extensions";	3728	warn "loading extensions";
3537	cf::load_extensions;	3729	cf::load_extensions;
3538		3730
		3731	if ($REATTACH_ON_RELOAD) {
3539	warn "reattaching attachments to objects/players";	3732	warn "reattaching attachments to objects/players";
3540	_global_reattach; # objects, sockets	3733	_global_reattach; # objects, sockets
3541	warn "reattaching attachments to maps";	3734	warn "reattaching attachments to maps";
3542	reattach $_ for values %MAP;	3735	reattach $_ for values %MAP;
3543	warn "reattaching attachments to players";	3736	warn "reattaching attachments to players";
3544	reattach $_ for values %PLAYER;	3737	reattach $_ for values %PLAYER;
		3738	}
3545		3739
		3740	warn "running post_init jobs";
		3741	(pop @POST_INIT)->(1) while @POST_INIT;
		3742
3546	warn "leaving sync_job";	3743	warn "leaving sync_job";
3547		3744
3548	1	3745	1
3549	} or do {	3746	} or do {
3550	warn $@;	3747	warn $@;
3551	warn "error while reloading, exiting.";	3748	cf::cleanup "error while reloading, exiting.";
3552	exit 1;
3553	};	3749	};
3554		3750
3555	warn "reloaded";	3751	warn "reloaded";
		3752	--$RELOAD;
		3753	}
		3754
		3755	$t1 = EV::time - $t1;
		3756	warn "reload completed in ${t1}s\n";
3556	};	3757	};
3557		3758
3558	our $RELOAD_WATCHER; # used only during reload	3759	our $RELOAD_WATCHER; # used only during reload
3559		3760
3560	sub reload_perl() {	3761	sub reload_perl() {
3561	# doing reload synchronously and two reloads happen back-to-back,	3762	# doing reload synchronously and two reloads happen back-to-back,
3562	# coro crashes during coro_state_free->destroy here.	3763	# coro crashes during coro_state_free->destroy here.
3563		3764
		3765	$RELOAD_WATCHER ||= cf::async {
		3766	Coro::AIO::aio_wait cache_extensions;
		3767
3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3768	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3769	do_reload_perl;
3565	undef $RELOAD_WATCHER;	3770	undef $RELOAD_WATCHER;
3566	do_reload_perl;	3771	};
3567	};	3772	};
3568	}	3773	}
3569		3774
3570	register_command "reload" => sub {	3775	register_command "reload" => sub {
3571	my ($who, $arg) = @_;	3776	my ($who, $arg) = @_;
…		…
3585		3790
3586	our @WAIT_FOR_TICK;	3791	our @WAIT_FOR_TICK;
3587	our @WAIT_FOR_TICK_BEGIN;	3792	our @WAIT_FOR_TICK_BEGIN;
3588		3793
3589	sub wait_for_tick {	3794	sub wait_for_tick {
3590	return unless $TICK_WATCHER->is_active;
3591	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3592		3796
3593	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3594	push @WAIT_FOR_TICK, $signal;	3798	push @WAIT_FOR_TICK, $signal;
3595	$signal->wait;	3799	$signal->wait;
3596	}	3800	}
3597		3801
3598	sub wait_for_tick_begin {	3802	sub wait_for_tick_begin {
3599	return unless $TICK_WATCHER->is_active;
3600	return if $Coro::current == $Coro::main;	3803	return if tick_inhibit || $Coro::current == $Coro::main;
3601		3804
3602	my $signal = new Coro::Signal;	3805	my $signal = new Coro::Signal;
3603	push @WAIT_FOR_TICK_BEGIN, $signal;	3806	push @WAIT_FOR_TICK_BEGIN, $signal;
3604	$signal->wait;	3807	$signal->wait;
3605	}	3808	}
3606		3809
3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3810	sub tick {
3608	if ($Coro::current != $Coro::main) {	3811	if ($Coro::current != $Coro::main) {
3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3812	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3610	unless ++$bug_warning > 10;	3813	unless ++$bug_warning > 10;
3611	return;	3814	return;
3612	}	3815	}
3613		3816
3614	$NOW = $tick_start = EV::now;
3615
3616	cf::server_tick; # one server iteration	3817	cf::server_tick; # one server iteration
3617
3618	$RUNTIME += $TICK;
3619	$NEXT_TICK = $_[0]->at;
3620		3818
3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3819	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3820	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3623	Coro::async_pool {	3821	Coro::async_pool {
3624	$Coro::current->{desc} = "runtime saver";	3822	$Coro::current->{desc} = "runtime saver";
3625	write_runtime	3823	write_runtime_sync
3626	or warn "ERROR: unable to write runtime file: $!";	3824	or warn "ERROR: unable to write runtime file: $!";
3627	};	3825	};
3628	}	3826	}
3629		3827
3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3828	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3632	}	3830	}
3633	while (my $sig = shift @WAIT_FOR_TICK) {	3831	while (my $sig = shift @WAIT_FOR_TICK) {
3634	$sig->send;	3832	$sig->send;
3635	}	3833	}
3636		3834
3637	$LOAD = ($NOW - $tick_start) / $TICK;	3835	$LOAD = ($NOW - $TICK_START) / $TICK;
3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3836	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3639		3837
3640	_post_tick;	3838	if (0) {
3641	};	3839	if ($NEXT_TICK) {
3642	$TICK_WATCHER->priority (EV::MAXPRI);	3840	my $jitter = $TICK_START - $NEXT_TICK;
		3841	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3842	warn "jitter $JITTER\n";#d#
		3843	}
		3844	}
		3845	}
3643		3846
3644	{	3847	{
3645	# configure BDB	3848	# configure BDB
3646		3849
3647	BDB::min_parallel 8;	3850	BDB::min_parallel 8;
3648	BDB::max_poll_reqs $TICK * 0.1;	3851	BDB::max_poll_reqs $TICK * 0.1;
3649	$Coro::BDB::WATCHER->priority (1);	3852	$AnyEvent::BDB::WATCHER->priority (1);
3650		3853
3651	unless ($DB_ENV) {	3854	unless ($DB_ENV) {
3652	$DB_ENV = BDB::db_env_create;	3855	$DB_ENV = BDB::db_env_create;
3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3856	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3654	| BDB::LOG_AUTOREMOVE, 1);	3857	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3858	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3859	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3860	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3657		3861
3658	cf::sync_job {	3862	cf::sync_job {
3659	eval {	3863	eval {
…		…
3685	{	3889	{
3686	# configure IO::AIO	3890	# configure IO::AIO
3687		3891
3688	IO::AIO::min_parallel 8;	3892	IO::AIO::min_parallel 8;
3689	IO::AIO::max_poll_time $TICK * 0.1;	3893	IO::AIO::max_poll_time $TICK * 0.1;
3690	$Coro::AIO::WATCHER->priority (1);	3894	undef $AnyEvent::AIO::WATCHER;
3691	}	3895	}
3692		3896
3693	my $_log_backtrace;	3897	my $_log_backtrace;
3694		3898
3695	sub _log_backtrace {	3899	sub _log_backtrace {
…		…
3698	$msg =~ s/\n//;	3902	$msg =~ s/\n//;
3699		3903
3700	# limit the # of concurrent backtraces	3904	# limit the # of concurrent backtraces
3701	if ($_log_backtrace < 2) {	3905	if ($_log_backtrace < 2) {
3702	++$_log_backtrace;	3906	++$_log_backtrace;
		3907	my $perl_bt = Carp::longmess $msg;
3703	async {	3908	async {
3704	$Coro::current->{desc} = "abt $msg";	3909	$Coro::current->{desc} = "abt $msg";
3705		3910
3706	my @bt = fork_call {	3911	my @bt = fork_call {
3707	@addr = map { sprintf "%x", $_ } @addr;	3912	@addr = map { sprintf "%x", $_ } @addr;
…		…
3718	}	3923	}
3719		3924
3720	@funcs	3925	@funcs
3721	};	3926	};
3722		3927
3723	LOG llevInfo, "[ABT] $msg\n";	3928	LOG llevInfo, "[ABT] $perl_bt\n";
		3929	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3724	LOG llevInfo, "[ABT] $_\n" for @bt;	3930	LOG llevInfo, "[ABT] $_\n" for @bt;
3725	--$_log_backtrace;	3931	--$_log_backtrace;
3726	};	3932	};
3727	} else {	3933	} else {
3728	LOG llevInfo, "[ABT] $msg\n";	3934	LOG llevInfo, "[ABT] $msg\n";

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