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Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC vs.
Revision 1.466 by root, Thu Jan 8 03:03:24 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict qw(vars subs);
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use EV 1.86;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
13	use Storable ();	35	use Storable ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;	56	use Digest::MD5;
31	use Fcntl;	57	use Fcntl;
32	use YAML::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
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
89	our %CFG;	119	our %CFG;
90		120
91	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	122	our $RUNTIME;
93	our $NOW;	123	our $NOW;
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	129	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		131
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	132	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
105		140
106	binmode STDOUT;	141	binmode STDOUT;
107	binmode STDERR;	142	binmode STDERR;
108		143
109	# read virtual server time, if available	144	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
114	}	149	}
115		150
116	mkdir $_	151	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	152	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
195	LOG llevError, $msg;	230	LOG llevError, $msg;
196	};	231	};
197	}	232	}
198		233
199	$Coro::State::DIEHOOK = sub {	234	$Coro::State::DIEHOOK = sub {
		235	return unless $^S eq 0; # "eq", not "=="
		236
		237	if ($Coro::current == $Coro::main) {#d#
		238	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		239	return;#d#
		240	}#d#
		241
		242	# kill coroutine otherwise
200	warn Carp::longmess $_[0];	243	warn Carp::longmess $_[0];
201	Coro::terminate;	244	Coro::terminate
202	};	245	};
		246
		247	$SIG{__DIE__} = sub { }; #d#?
203		248
204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	249	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	250	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	251	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	252	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
214	for my $pkg (qw(	259	for my $pkg (qw(
215	cf::global cf::attachable	260	cf::global cf::attachable
216	cf::object cf::object::player	261	cf::object cf::object::player
217	cf::client cf::player	262	cf::client cf::player
218	cf::arch cf::living	263	cf::arch cf::living
		264	cf::map cf::mapspace
219	cf::map cf::party cf::region	265	cf::party cf::region
220	)) {	266	)) {
221	no strict 'refs';
222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	267	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
223	}	268	}
224		269
225	$EV::DIED = sub {	270	$EV::DIED = sub {
226	warn "error in event callback: @_";	271	warn "error in event callback: @_";
…		…
268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	313	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
269		314
270	sub encode_json($) { $json_coder->encode ($_[0]) }	315	sub encode_json($) { $json_coder->encode ($_[0]) }
271	sub decode_json($) { $json_coder->decode ($_[0]) }	316	sub decode_json($) { $json_coder->decode ($_[0]) }
272		317
		318	=item cf::post_init { BLOCK }
		319
		320	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		321	but I<before> the server starts ticking again.
		322
		323	The cdoeblock will have a single boolean argument to indicate whether this
		324	is a reload or not.
		325
		326	=cut
		327
		328	sub post_init(&) {
		329	push @POST_INIT, shift;
		330	}
		331
273	=item cf::lock_wait $string	332	=item cf::lock_wait $string
274		333
275	Wait until the given lock is available. See cf::lock_acquire.	334	Wait until the given lock is available. See cf::lock_acquire.
276		335
277	=item my $lock = cf::lock_acquire $string	336	=item my $lock = cf::lock_acquire $string
278		337
279	Wait until the given lock is available and then acquires it and returns	338	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,	339	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	340	for example when the coroutine gets canceled), the lock is automatically
282	returned.	341	returned.
283		342
284	Locks are *not* recursive, locking from the same coro twice results in a	343	Locks are *not* recursive, locking from the same coro twice results in a
285	deadlocked coro.	344	deadlocked coro.
…		…
291		350
292	Return true if the lock is currently active, i.e. somebody has locked it.	351	Return true if the lock is currently active, i.e. somebody has locked it.
293		352
294	=cut	353	=cut
295		354
296	our %LOCK;	355	our $LOCKS = new Coro::SemaphoreSet;
297	our %LOCKER;#d#
298		356
299	sub lock_wait($) {	357	sub lock_wait($) {
300	my ($key) = @_;	358	$LOCKS->wait ($_[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} }, $Coro::current;
310	Coro::schedule;
311	}
312	}	359	}
313		360
314	sub lock_acquire($) {	361	sub lock_acquire($) {
315	my ($key) = @_;	362	$LOCKS->guard ($_[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	}	363	}
329		364
330	sub lock_active($) {	365	sub lock_active($) {
331	my ($key) = @_;	366	$LOCKS->count ($_[0]) < 1
332
333	! ! $LOCK{$key}
334	}	367	}
335		368
336	sub freeze_mainloop {	369	sub freeze_mainloop {
337	return unless $TICK_WATCHER->is_active;	370	tick_inhibit_inc;
338		371
339	my $guard = Coro::guard {	372	&Guard::guard (\&tick_inhibit_dec);
340	$TICK_WATCHER->start;
341	};
342	$TICK_WATCHER->stop;
343	$guard
344	}	373	}
345		374
346	=item cf::periodic $interval, $cb	375	=item cf::periodic $interval, $cb
347		376
348	Like EV::periodic, but randomly selects a starting point so that the actions	377	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
403	}	432	}
404	}	433	}
405	};	434	};
406		435
407	sub get_slot($;$$) {	436	sub get_slot($;$$) {
		437	return if tick_inhibit || $Coro::current == $Coro::main;
		438
408	my ($time, $pri, $name) = @_;	439	my ($time, $pri, $name) = @_;
409		440
410	$time = $TICK * .6 if $time > $TICK * .6;	441	$time = $TICK * .6 if $time > $TICK * .6;
411	my $sig = new Coro::Signal;	442	my $sig = new Coro::Signal;
412		443
…		…
449	# this is the main coro, too bad, we have to block	480	# this is the main coro, too bad, we have to block
450	# till the operation succeeds, freezing the server :/	481	# till the operation succeeds, freezing the server :/
451		482
452	LOG llevError, Carp::longmess "sync job";#d#	483	LOG llevError, Carp::longmess "sync job";#d#
453		484
454	# TODO: use suspend/resume instead
455	# (but this is cancel-safe)
456	my $freeze_guard = freeze_mainloop;	485	my $freeze_guard = freeze_mainloop;
457		486
458	my $busy = 1;	487	my $busy = 1;
459	my @res;	488	my @res;
460		489
…		…
471	} else {	500	} else {
472	EV::loop EV::LOOP_ONESHOT;	501	EV::loop EV::LOOP_ONESHOT;
473	}	502	}
474	}	503	}
475		504
476	$time = EV::time - $time;	505	my $time = EV::time - $time;
477		506
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	507	$TICK_START += $time; # do not account sync jobs to server load
482		508
483	wantarray ? @res : $res[0]	509	wantarray ? @res : $res[0]
484	} else {	510	} else {
485	# we are in another coroutine, how wonderful, everything just works	511	# we are in another coroutine, how wonderful, everything just works
486		512
…		…
528	reset_signals;	554	reset_signals;
529	&$cb	555	&$cb
530	}, @args;	556	}, @args;
531		557
532	wantarray ? @res : $res[-1]	558	wantarray ? @res : $res[-1]
		559	}
		560
		561	=item $coin = coin_from_name $name
		562
		563	=cut
		564
		565	our %coin_alias = (
		566	"silver" => "silvercoin",
		567	"silvercoin" => "silvercoin",
		568	"silvercoins" => "silvercoin",
		569	"gold" => "goldcoin",
		570	"goldcoin" => "goldcoin",
		571	"goldcoins" => "goldcoin",
		572	"platinum" => "platinacoin",
		573	"platinumcoin" => "platinacoin",
		574	"platinumcoins" => "platinacoin",
		575	"platina" => "platinacoin",
		576	"platinacoin" => "platinacoin",
		577	"platinacoins" => "platinacoin",
		578	"royalty" => "royalty",
		579	"royalties" => "royalty",
		580	);
		581
		582	sub coin_from_name($) {
		583	$coin_alias{$_[0]}
		584	? cf::arch::find $coin_alias{$_[0]}
		585	: undef
533	}	586	}
534		587
535	=item $value = cf::db_get $family => $key	588	=item $value = cf::db_get $family => $key
536		589
537	Returns a single value from the environment database.	590	Returns a single value from the environment database.
…		…
676		729
677	#############################################################################	730	#############################################################################
678		731
679	=head2 ATTACHABLE OBJECTS	732	=head2 ATTACHABLE OBJECTS
680		733
681	Many objects in crossfire are so-called attachable objects. That means you can	734	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")	735	attach callbacks/event handlers (a collection of which is called an "attachment")
683	to it. All such attachable objects support the following methods.	736	to it. All such attachable objects support the following methods.
684		737
685	In the following description, CLASS can be any of C<global>, C<object>	738	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	739	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
736	=item cf::CLASS::attachment $name, ...	789	=item cf::CLASS::attachment $name, ...
737		790
738	Register an attachment by C<$name> through which attachable objects of the	791	Register an attachment by C<$name> through which attachable objects of the
739	given CLASS can refer to this attachment.	792	given CLASS can refer to this attachment.
740		793
741	Some classes such as crossfire maps and objects can specify attachments	794	Some classes such as deliantra maps and objects can specify attachments
742	that are attached at load/instantiate time, thus the need for a name.	795	that are attached at load/instantiate time, thus the need for a name.
743		796
744	These calls expect any number of the following handler/hook descriptions:	797	These calls expect any number of the following handler/hook descriptions:
745		798
746	=over 4	799	=over 4
…		…
1037		1090
1038	sub reattach {	1091	sub reattach {
1039	# basically do the same as instantiate, without calling instantiate	1092	# basically do the same as instantiate, without calling instantiate
1040	my ($obj) = @_;	1093	my ($obj) = @_;
1041		1094
		1095	# no longer needed after getting rid of delete_package?
1042	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1096	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1043		1097
1044	my $registry = $obj->registry;	1098	my $registry = $obj->registry;
1045		1099
1046	@$registry = ();	1100	@$registry = ();
1047		1101
…		…
1093	utf8::decode (my $decname = $filename);	1147	utf8::decode (my $decname = $filename);
1094	warn sprintf "saving %s (%d,%d)\n",	1148	warn sprintf "saving %s (%d,%d)\n",
1095	$decname, length $$rdata, scalar @$objs;	1149	$decname, length $$rdata, scalar @$objs;
1096		1150
1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1151	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1152	aio_chmod $fh, SAVE_MODE;
1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1153	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1100	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
1101	close $fh;	1155	aio_close $fh;
1102		1156
1103	if (@$objs) {	1157	if (@$objs) {
1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1158	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1159	aio_chmod $fh, SAVE_MODE;
1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1160	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1107	aio_write $fh, 0, (length $data), $data, 0;	1161	aio_write $fh, 0, (length $data), $data, 0;
1108	aio_fsync $fh if $cf::USE_FSYNC;	1162	aio_fsync $fh if $cf::USE_FSYNC;
1109	close $fh;	1163	aio_close $fh;
1110	aio_rename "$filename.pst~", "$filename.pst";	1164	aio_rename "$filename.pst~", "$filename.pst";
1111	}	1165	}
1112	} else {	1166	} else {
1113	aio_unlink "$filename.pst";	1167	aio_unlink "$filename.pst";
1114	}	1168	}
1115		1169
1116	aio_rename "$filename~", $filename;	1170	aio_rename "$filename~", $filename;
		1171
		1172	$filename =~ s%/[^/]+$%%;
		1173	aio_pathsync $filename if $cf::USE_FSYNC;
1117	} else {	1174	} else {
1118	warn "FATAL: $filename~: $!\n";	1175	warn "unable to save objects: $filename~: $!\n";
1119	}	1176	}
1120	} else {	1177	} else {
1121	aio_unlink $filename;	1178	aio_unlink $filename;
1122	aio_unlink "$filename.pst";	1179	aio_unlink "$filename.pst";
1123	}	1180	}
…		…
1214	my ($name, $cb) = @_;	1271	my ($name, $cb) = @_;
1215		1272
1216	$EXTICMD{$name} = $cb;	1273	$EXTICMD{$name} = $cb;
1217	}	1274	}
1218		1275
		1276	use File::Glob ();
		1277
1219	cf::player->attach (	1278	cf::player->attach (
1220	on_command => sub {	1279	on_command => sub {
1221	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
1222		1281
1223	my $cb = $COMMAND{$name}	1282	my $cb = $COMMAND{$name}
…		…
1255		1314
1256	cf::override;	1315	cf::override;
1257	},	1316	},
1258	);	1317	);
1259		1318
		1319	# "readahead" all extensions
		1320	sub cache_extensions {
		1321	my $grp = IO::AIO::aio_group;
		1322
		1323	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1324	for (grep /\.ext$/, @{$_[0]}) {
		1325	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1326	}
		1327	};
		1328
		1329	$grp
		1330	}
		1331
1260	sub load_extensions {	1332	sub load_extensions {
1261	cf::sync_job {	1333	cf::sync_job {
1262	my %todo;	1334	my %todo;
1263		1335
1264	for my $path (<$LIBDIR/*.ext>) {	1336	for my $path (<$LIBDIR/*.ext>) {
…		…
1283		1355
1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1356	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1357	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1286		1358
1287	$ext{source} =	1359	$ext{source} =
1288	"package $pkg; use strict; use utf8;\n"	1360	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1289	. "#line 1 \"$path\"\n{\n"	1361	. "#line 1 \"$path\"\n{\n"
1290	. $source	1362	. $source
1291	. "\n};\n1";	1363	. "\n};\n1";
1292		1364
1293	$todo{$base} = \%ext;	1365	$todo{$base} = \%ext;
…		…
1309	my $msg = $@ ? "$v->{path}: $@\n"	1381	my $msg = $@ ? "$v->{path}: $@\n"
1310	: "$v->{base}: extension inactive.\n";	1382	: "$v->{base}: extension inactive.\n";
1311		1383
1312	if (exists $v->{meta}{mandatory}) {	1384	if (exists $v->{meta}{mandatory}) {
1313	warn $msg;	1385	warn $msg;
1314	warn "mandatory extension failed to load, exiting.\n";	1386	cf::cleanup "mandatory extension failed to load, exiting.";
1315	exit 1;
1316	}	1387	}
1317		1388
1318	warn $msg;	1389	warn $msg;
1319	}	1390	}
1320		1391
…		…
1334		1405
1335	=back	1406	=back
1336		1407
1337	=head2 CORE EXTENSIONS	1408	=head2 CORE EXTENSIONS
1338		1409
1339	Functions and methods that extend core crossfire objects.	1410	Functions and methods that extend core deliantra objects.
1340		1411
1341	=cut	1412	=cut
1342		1413
1343	package cf::player;	1414	package cf::player;
1344		1415
…		…
1387		1458
1388	sub exists($) {	1459	sub exists($) {
1389	my ($login) = @_;	1460	my ($login) = @_;
1390		1461
1391	$cf::PLAYER{$login}	1462	$cf::PLAYER{$login}
1392	or cf::sync_job { !aio_stat path $login }	1463	or !aio_stat path $login
1393	}	1464	}
1394		1465
1395	sub find($) {	1466	sub find($) {
1396	return $cf::PLAYER{$_[0]} || do {	1467	return $cf::PLAYER{$_[0]} || do {
1397	my $login = $_[0];	1468	my $login = $_[0];
…		…
1409	my $f = new_from_file cf::object::thawer path $login	1480	my $f = new_from_file cf::object::thawer path $login
1410	or return;	1481	or return;
1411		1482
1412	my $pl = cf::player::load_pl $f	1483	my $pl = cf::player::load_pl $f
1413	or return;	1484	or return;
		1485
1414	local $cf::PLAYER_LOADING{$login} = $pl;	1486	local $cf::PLAYER_LOADING{$login} = $pl;
1415	$f->resolve_delayed_derefs;	1487	$f->resolve_delayed_derefs;
1416	$cf::PLAYER{$login} = $pl	1488	$cf::PLAYER{$login} = $pl
1417	}	1489	}
1418	}	1490	}
…		…
1428		1500
1429	return if $pl->{deny_save};	1501	return if $pl->{deny_save};
1430		1502
1431	aio_mkdir playerdir $pl, 0770;	1503	aio_mkdir playerdir $pl, 0770;
1432	$pl->{last_save} = $cf::RUNTIME;	1504	$pl->{last_save} = $cf::RUNTIME;
		1505
		1506	cf::get_slot 0.01;
1433		1507
1434	$pl->save_pl ($path);	1508	$pl->save_pl ($path);
1435	cf::cede_to_tick;	1509	cf::cede_to_tick;
1436	}	1510	}
1437		1511
…		…
1469	my ($pl) = @_;	1543	my ($pl) = @_;
1470		1544
1471	my $name = $pl->ob->name;	1545	my $name = $pl->ob->name;
1472		1546
1473	$pl->{deny_save} = 1;	1547	$pl->{deny_save} = 1;
1474	$pl->password ("*"); # this should lock out the player until we nuked the dir	1548	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1475		1549
1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1550	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1477	$pl->deactivate;	1551	$pl->deactivate;
		1552	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1553	$pl->ob->check_score;
1478	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1554	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1479	$pl->ns->destroy if $pl->ns;	1555	$pl->ns->destroy if $pl->ns;
1480		1556
1481	my $path = playerdir $pl;	1557	my $path = playerdir $pl;
1482	my $temp = "$path~$cf::RUNTIME~deleting~";	1558	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1521		1597
1522	for my $login (@$dirs) {	1598	for my $login (@$dirs) {
1523	my $path = path $login;	1599	my $path = path $login;
1524		1600
1525	# a .pst is a dead give-away for a valid player	1601	# a .pst is a dead give-away for a valid player
1526	unless (-e "$path.pst") {	1602	# if no pst file found, open and chekc for blocked users
		1603	if (aio_stat "$path.pst") {
1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1604	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1528	aio_read $fh, 0, 512, my $buf, 0 or next;	1605	aio_read $fh, 0, 512, my $buf, 0 or next;
1529	$buf !~ /^password -------------$/m or next; # official not-valid tag	1606	$buf !~ /^password -------------$/m or next; # official not-valid tag
1530	}	1607	}
1531		1608
…		…
1562	}	1639	}
1563		1640
1564	\@paths	1641	\@paths
1565	}	1642	}
1566		1643
1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1644	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1568		1645
1569	Expand crossfire pod fragments into protocol xml.	1646	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		1647
1660	=item $player->ext_reply ($msgid, @msg)	1648	=item $player->ext_reply ($msgid, @msg)
1661		1649
1662	Sends an ext reply to the player.	1650	Sends an ext reply to the player.
1663		1651
…		…
1730	our $MAX_RESET = 3600;	1718	our $MAX_RESET = 3600;
1731	our $DEFAULT_RESET = 3000;	1719	our $DEFAULT_RESET = 3000;
1732		1720
1733	sub generate_random_map {	1721	sub generate_random_map {
1734	my ($self, $rmp) = @_;	1722	my ($self, $rmp) = @_;
		1723
		1724	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1725
1735	# mit "rum" bekleckern, nicht	1726	# mit "rum" bekleckern, nicht
1736	$self->_create_random_map (	1727	$self->_create_random_map (
1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1728	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1729	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1730	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1861		1852
1862	# the temporary/swap location	1853	# the temporary/swap location
1863	sub save_path {	1854	sub save_path {
1864	my ($self) = @_;	1855	my ($self) = @_;
1865		1856
1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1857	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1867	"$TMPDIR/$path.map"	1858	"$TMPDIR/$path.map"
1868	}	1859	}
1869		1860
1870	# the unique path, undef == no special unique path	1861	# the unique path, undef == no special unique path
1871	sub uniq_path {	1862	sub uniq_path {
1872	my ($self) = @_;	1863	my ($self) = @_;
1873		1864
1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1875	"$UNIQUEDIR/$path"	1866	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1885	}	1867	}
1886		1868
1887	sub decay_objects {	1869	sub decay_objects {
1888	my ($self) = @_;	1870	my ($self) = @_;
1889		1871
…		…
1973	sub find {	1955	sub find {
1974	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1975		1957
1976	$path = normalise $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->path;
1977		1959
1978	cf::lock_wait "map_data:$path";#d#remove	1960	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1979	cf::lock_wait "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
1980		1962
1981	$cf::MAP{$path} || do {	1963	$cf::MAP{$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	1964	my $map = new_from_path cf::map $path
1986	or return;	1965	or return;
1987		1966
1988	$map->{last_save} = $cf::RUNTIME;	1967	$map->{last_save} = $cf::RUNTIME;
1989		1968
…		…
1991	or return;	1970	or return;
1992		1971
1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1972	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1994	# doing this can freeze the server in a sync job, obviously	1973	# doing this can freeze the server in a sync job, obviously
1995	#$cf::WAIT_FOR_TICK->wait;	1974	#$cf::WAIT_FOR_TICK->wait;
		1975	undef $guard2;
1996	undef $guard1;	1976	undef $guard1;
1997	undef $guard2;
1998	$map->reset;	1977	$map->reset;
1999	return find $path;	1978	return find $path;
2000	}	1979	}
2001		1980
2002	$cf::MAP{$path} = $map	1981	$cf::MAP{$path} = $map
…		…
2029	my $f = new_from_file cf::object::thawer $self->{load_path};	2008	my $f = new_from_file cf::object::thawer $self->{load_path};
2030	$f->skip_block;	2009	$f->skip_block;
2031	$self->_load_objects ($f)	2010	$self->_load_objects ($f)
2032	or return;	2011	or return;
2033		2012
2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2013	$self->post_load_original
2035	if delete $self->{load_original};	2014	if delete $self->{load_original};
2036		2015
2037	if (my $uniq = $self->uniq_path) {	2016	if (my $uniq = $self->uniq_path) {
2038	utf8::encode $uniq;	2017	utf8::encode $uniq;
2039	unless (aio_stat $uniq) {	2018	unless (aio_stat $uniq) {
…		…
2057	unless ($self->{deny_activate}) {	2036	unless ($self->{deny_activate}) {
2058	$self->decay_objects;	2037	$self->decay_objects;
2059	$self->fix_auto_apply;	2038	$self->fix_auto_apply;
2060	$self->update_buttons;	2039	$self->update_buttons;
2061	cf::cede_to_tick;	2040	cf::cede_to_tick;
2062	$self->set_darkness_map;
2063	cf::cede_to_tick;
2064	$self->activate;	2041	$self->activate;
2065	}	2042	}
2066		2043
2067	$self->{last_save} = $cf::RUNTIME;	2044	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2045	$self->last_access ($cf::RUNTIME);
2069		2046
2070	$self->in_memory (cf::MAP_IN_MEMORY);	2047	$self->in_memory (cf::MAP_ACTIVE);
2071	}	2048	}
2072		2049
2073	$self->post_load;	2050	$self->post_load;
2074	}	2051	}
2075		2052
…		…
2133	my ($path, $origin, $load) = @_;	2110	my ($path, $origin, $load) = @_;
2134		2111
2135	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
2136		2113
2137	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2139	}	2116	}
2140		2117
2141	$MAP_PREFETCH{$path} |= $load;	2118	$MAP_PREFETCH{$path} |= $load;
2142		2119
2143	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
…		…
2180	cf::async {	2157	cf::async {
2181	$Coro::current->{desc} = "map player save";	2158	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
2183	};	2160	};
2184		2161
		2162	cf::get_slot 0.02;
		2163
2185	if ($uniq) {	2164	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2167	} else {
2189	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2168	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2197	$self->save;	2176	$self->save;
2198		2177
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2179
2201	return if $self->players;	2180	return if $self->players;
2202	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
2203	return if $self->{deny_save};	2182	return if $self->{deny_save};
2204		2183
2205	$self->in_memory (cf::MAP_SWAPPED);	2184	$self->in_memory (cf::MAP_SWAPPED);
2206		2185
2207	$self->deactivate;	2186	$self->deactivate;
…		…
2325		2304
2326	sub unique_maps() {	2305	sub unique_maps() {
2327	[	2306	[
2328	map {	2307	map {
2329	utf8::decode $_;	2308	utf8::decode $_;
2330	/\.map$/	2309	s/\.map$//; # TODO future compatibility hack
		2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2311	? ()
2331	? normalise $_	2312	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2313	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2314	]
2335	}	2315	}
2336		2316
2337	package cf;
2338
2339	=back	2317	=back
2340		2318
2341	=head3 cf::object	2319	=head3 cf::object
2342		2320
2343	=cut	2321	=cut
…		…
2346		2324
2347	=over 4	2325	=over 4
2348		2326
2349	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
2350		2328
2351	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
2352		2331
2353	=cut	2332	=cut
2354		2333
2355	sub inv_recursive_;	2334	sub inv_recursive_;
2356	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
2362	}	2341	}
2363		2342
2364	=item $ref = $ob->ref	2343	=item $ref = $ob->ref
2365		2344
2366	creates and returns a persistent reference to an objetc that can be stored as a string.	2345	Creates and returns a persistent reference to an object that can be stored as a string.
2367		2346
2368	=item $ob = cf::object::deref ($refstring)	2347	=item $ob = cf::object::deref ($refstring)
2369		2348
2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2371	even if the object actually exists. May block.	2350	even if the object actually exists. May block.
…		…
2403	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
2404	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
2405		2384
2406	=cut	2385	=cut
2407		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
		2400
2408	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2402	# with dialog boxes.
2410	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
2411	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2405	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2416	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2418
2426	} else {	2419	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2422	}
2430	}	2423	}
2431	}	2424	}
2432		2425
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2451
2459	=item $player_object->enter_link	2452	=item $player_object->enter_link
2460		2453
2461	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
2462		2455
2463	The player should be reasonably safe there for short amounts of time. You	2456	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.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
2465		2460
2466	Will never block.	2461	Will never block.
2467		2462
2468	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
2469		2464
…		…
2527		2522
2528	$map->load;	2523	$map->load;
2529	$map->load_neighbours;	2524	$map->load_neighbours;
2530		2525
2531	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2532	$self->activate_recursive;	2528	$self->activate_recursive;
2533		2529
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
2536	}	2532	}
…		…
2540	Moves the player to the given map-path and coordinates by first freezing	2536	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	2537	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	2538	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	2539	the new (success) or old (failed) map position. In either case, $done will
2544	be called at the end of this process.	2540	be called at the end of this process.
		2541
		2542	Note that $check will be called with a potentially non-loaded map, so if
		2543	it needs a loaded map it has to call C<< ->load >>.
2545		2544
2546	=cut	2545	=cut
2547		2546
2548	our $GOTOGEN;	2547	our $GOTOGEN;
2549		2548
…		…
2628	}	2627	}
2629		2628
2630	sub prepare_random_map {	2629	sub prepare_random_map {
2631	my ($exit) = @_;	2630	my ($exit) = @_;
2632		2631
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2634	# that depends on the exit object
2638		2635
2639	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2638	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
2646	}	2645	}
2647		2646
2648	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
2649		2648
2650	my $data = cf::encode_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
2653		2652
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2655	undef $fh;
2657	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
2658		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
2661	}	2664	}
2662	}	2665	}
2663		2666
2664	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
2666		2669
2667	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
2668		2671
2669	if ($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;	2672	$self->enter_link;
2681		2673
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 {	2674	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2675	$Coro::current->{desc} = "enter_exit";
2688		2676
2689	$self->deactivate_recursive; # just to be sure
2690	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
2691	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
2692		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
2693	1;	2698	1
2694	}) {	2699	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
2697	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2704
2700	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
…		…
2766	id => "infobox",	2771	id => "infobox",
2767	title => "Body Parts",	2772	title => "Body Parts",
2768	reply => undef,	2773	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	2774	tooltip => "Shows which body parts you posess and are available",
2770	},	2775	},
		2776	"c/statistics" => {
		2777	id => "infobox",
		2778	title => "Statistics",
		2779	reply => undef,
		2780	tooltip => "Shows your primary statistics",
		2781	},
		2782	"c/skills" => {
		2783	id => "infobox",
		2784	title => "Skills",
		2785	reply => undef,
		2786	tooltip => "Shows your experience per skill and item power",
		2787	},
		2788	"c/resistances" => {
		2789	id => "infobox",
		2790	title => "Resistances",
		2791	reply => undef,
		2792	tooltip => "Shows your resistances",
		2793	},
		2794	"c/pets" => {
		2795	id => "infobox",
		2796	title => "Pets",
		2797	reply => undef,
		2798	tooltip => "Shows information abotu your pets/a specific pet",
		2799	},
2771	"c/uptime" => {	2800	"c/uptime" => {
2772	id => "infobox",	2801	id => "infobox",
2773	title => "Uptime",	2802	title => "Uptime",
2774	reply => undef,	2803	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	2804	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	2807	id => "infobox",
2779	title => "Map Info",	2808	title => "Map Info",
2780	reply => undef,	2809	reply => undef,
2781	tooltip => "Information related to the maps",	2810	tooltip => "Information related to the maps",
2782	},	2811	},
		2812	"c/party" => {
		2813	id => "party",
		2814	title => "Party",
		2815	reply => "gsay ",
		2816	tooltip => "Messages and chat related to your party",
		2817	},
		2818	"c/death" => {
		2819	id => "death",
		2820	title => "Death",
		2821	reply => undef,
		2822	tooltip => "Reason for and more info about your most recent death",
		2823	},
		2824	"c/say" => $SAY_CHANNEL,
		2825	"c/chat" => $CHAT_CHANNEL,
2783	);	2826	);
2784		2827
2785	sub cf::client::send_msg {	2828	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	2829	my ($self, $channel, $msg, $color, @extra) = @_;
2787		2830
2788	$msg = $self->pl->expand_cfpod ($msg);	2831	$msg = $self->pl->expand_cfpod ($msg)
		2832	unless $color & cf::NDI_VERBATIM;
2789		2833
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	2834	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		2835
2792	# check predefined channels, for the benefit of C	2836	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	2837	if ($CHANNEL{$channel}) {
2794	$channel = $CHANNEL{$channel};	2838	$channel = $CHANNEL{$channel};
2795		2839
2796	$self->ext_msg (channel_info => $channel)	2840	$self->ext_msg (channel_info => $channel);
2797	if $self->can_msg;
2798
2799	$channel = $channel->{id};	2841	$channel = $channel->{id};
2800		2842
2801	} elsif (ref $channel) {	2843	} elsif (ref $channel) {
2802	# send meta info to client, if not yet sent	2844	# send meta info to client, if not yet sent
2803	unless (exists $self->{channel}{$channel->{id}}) {	2845	unless (exists $self->{channel}{$channel->{id}}) {
2804	$self->{channel}{$channel->{id}} = $channel;	2846	$self->{channel}{$channel->{id}} = $channel;
2805	$self->ext_msg (channel_info => $channel)	2847	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807	}	2848	}
2808		2849
2809	$channel = $channel->{id};	2850	$channel = $channel->{id};
2810	}	2851	}
2811		2852
2812	return unless @extra || length $msg;	2853	return unless @extra || length $msg;
2813		2854
2814	if ($self->can_msg) {
2815	# default colour, mask it out	2855	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2856	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	2857	if $color & cf::NDI_DEF;
2818		2858
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	2859	my $pkt = "msg "
		2860	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2861	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2821	} else {	2862	);
2822	if ($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		2863
2833	$color &= cf::NDI_COLOR_MASK;	2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
2834		2867
2835	utf8::encode $msg;	2868	# split very large packets
2836		2869	if (8192 < length $pkt and $self->{can_lzf}) {
2837	if (0 && $msg =~ /\[/) {	2870	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2838	# COMMAND/INFO	2871	$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	}	2872	}
		2873
		2874	$self->send_packet ($pkt);
2846	}	2875	}
2847		2876
2848	=item $client->ext_msg ($type, @msg)	2877	=item $client->ext_msg ($type, @msg)
2849		2878
2850	Sends an ext event to the client.	2879	Sends an ext event to the client.
…		…
3024		3053
3025	The following functions and methods are available within a safe environment:	3054	The following functions and methods are available within a safe environment:
3026		3055
3027	cf::object	3056	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3057	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3058	insert remove name archname title slaying race decrease split
		3059	value
3030		3060
3031	cf::object::player	3061	cf::object::player
3032	player	3062	player
3033		3063
3034	cf::player	3064	cf::player
…		…
3039		3069
3040	=cut	3070	=cut
3041		3071
3042	for (	3072	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3073	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3074	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3075	decrease split destroy change_exp value msg lore send_msg)],
3046	["cf::object::player" => qw(player)],	3076	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3077	["cf::player" => qw(peaceful send_msg)],
3048	["cf::map" => qw(trigger)],	3078	["cf::map" => qw(trigger)],
3049	) {	3079	) {
3050	no strict 'refs';	3080	no strict 'refs';
3051	my ($pkg, @funs) = @$_;	3081	my ($pkg, @funs) = @$_;
3052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3082	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3069	my ($code, %vars) = @_;	3099	my ($code, %vars) = @_;
3070		3100
3071	my $qcode = $code;	3101	my $qcode = $code;
3072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3102	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3073	$qcode =~ s/\n/\\n/g;	3103	$qcode =~ s/\n/\\n/g;
		3104
		3105	%vars = (_dummy => 0) unless %vars;
3074		3106
3075	local $_;	3107	local $_;
3076	local @safe::cf::_safe_eval_args = values %vars;	3108	local @safe::cf::_safe_eval_args = values %vars;
3077		3109
3078	my $eval =	3110	my $eval =
…		…
3258	while (my ($k, $v) = each %$want) {	3290	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3291	$ns->fx_want ($k, $v);
3260	}	3292	}
3261	};	3293	};
3262		3294
		3295	sub load_resource_file($) {
		3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
3263	sub reload_regions {	3305	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3306	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3307	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3308	%ext::player_env::MUSIC_FACE_CACHE = ();
3267		3309
…		…
3280	}	3322	}
3281		3323
3282	sub reload_archetypes {	3324	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3325	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3326	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3327	}
3291		3328
3292	sub reload_treasures {	3329	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3330	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3331	or die "unable to load treasurelists\n";
3295	}	3332	}
3296		3333
3297	sub reload_resources {	3334	sub reload_resources {
3298	warn "reloading resource files...\n";	3335	warn "reloading resource files...\n";
3299		3336
		3337	reload_facedata;
		3338	reload_archetypes;
3300	reload_regions;	3339	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3340	reload_treasures;
3305		3341
3306	warn "finished reloading resource files\n";	3342	warn "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3343	}
3312		3344
3313	sub reload_config {	3345	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3346	open my $fh, "<:utf8", "$CONFDIR/config"
3315	or return;	3347	or return;
3316		3348
3317	local $/;	3349	local $/;
3318	*CFG = YAML::Syck::Load <$fh>;	3350	*CFG = YAML::Load <$fh>;
3319		3351
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3352	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3321		3353
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3354	$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};	3355	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
3329	};	3361	};
3330	warn $@ if $@;	3362	warn $@ if $@;
3331	}	3363	}
3332	}	3364	}
3333		3365
		3366	sub pidfile() {
		3367	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3368	or die "$PIDFILE: $!";
		3369	flock $fh, &Fcntl::LOCK_EX
		3370	or die "$PIDFILE: flock: $!";
		3371	$fh
		3372	}
		3373
		3374	# make sure only one server instance is running at any one time
		3375	sub atomic {
		3376	my $fh = pidfile;
		3377
		3378	my $pid = <$fh>;
		3379	kill 9, $pid if $pid > 0;
		3380
		3381	seek $fh, 0, 0;
		3382	print $fh $$;
		3383	}
		3384
3334	sub main {	3385	sub main {
		3386	cf::init_globals; # initialise logging
		3387
		3388	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3389	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3390	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3391	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3392
		3393	cf::init_experience;
		3394	cf::init_anim;
		3395	cf::init_attackmess;
		3396	cf::init_dynamic;
		3397
		3398	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3399
3335	# we must not ever block the main coroutine	3400	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3401	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3402	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3403	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3404	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3405	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3406	})->prio (Coro::PRIO_MAX);
3342	};	3407	};
3343		3408
		3409	evthread_start IO::AIO::poll_fileno;
		3410
		3411	cf::sync_job {
		3412	reload_resources;
3344	reload_config;	3413	reload_config;
3345	db_init;	3414	db_init;
		3415
		3416	cf::load_settings;
		3417	cf::load_materials;
		3418	cf::init_uuid;
		3419	cf::init_signals;
		3420	cf::init_commands;
		3421	cf::init_skills;
		3422
		3423	cf::init_beforeplay;
		3424
		3425	atomic;
		3426
3346	load_extensions;	3427	load_extensions;
3347		3428
3348	$TICK_WATCHER->start;	3429	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3430
		3431	# no (long-running) fork's whatsoever before this point(!)
		3432	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3433
		3434	(pop @POST_INIT)->(0) while @POST_INIT;
		3435	};
		3436
3350	EV::loop;	3437	EV::loop;
3351	}	3438	}
3352		3439
3353	#############################################################################	3440	#############################################################################
3354	# initialisation and cleanup	3441	# initialisation and cleanup
…		…
3361	cf::cleanup "SIG$signal";	3448	cf::cleanup "SIG$signal";
3362	};	3449	};
3363	}	3450	}
3364	}	3451	}
3365		3452
3366	sub write_runtime {	3453	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";
3368
3369	# first touch the runtime file to show we are still running:	3454	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3455	# the fsync below can take a very very long time.
3371		3456
3372	IO::AIO::aio_utime $runtime, undef, undef;	3457	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3458
3374	my $guard = cf::lock_acquire "write_runtime";	3459	my $guard = cf::lock_acquire "write_runtime";
3375		3460
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3461	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3377	or return;	3462	or return;
3378		3463
3379	my $value = $cf::RUNTIME + 90 + 10;	3464	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3465	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3466	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3476	aio_utime $fh, undef, undef;
3392		3477
3393	close $fh	3478	close $fh
3394	or return;	3479	or return;
3395		3480
3396	aio_rename "$runtime~", $runtime	3481	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3482	and return;
3398		3483
3399	warn "runtime file written.\n";	3484	warn "runtime file written.\n";
3400		3485
3401	1	3486	1
		3487	}
		3488
		3489	our $uuid_lock;
		3490	our $uuid_skip;
		3491
		3492	sub write_uuid_sync($) {
		3493	$uuid_skip ||= $_[0];
		3494
		3495	return if $uuid_lock;
		3496	local $uuid_lock = 1;
		3497
		3498	my $uuid = "$LOCALDIR/uuid";
		3499
		3500	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = uuid_seq uuid_cur;
		3504
		3505	unless ($value) {
		3506	warn "cowardly refusing to write zero uuid value!\n";
		3507	return;
		3508	}
		3509
		3510	my $value = uuid_str $value + $uuid_skip;
		3511	$uuid_skip = 0;
		3512
		3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3514	and return;
		3515
		3516	# always fsync - this file is important
		3517	aio_fsync $fh
		3518	and return;
		3519
		3520	close $fh
		3521	or return;
		3522
		3523	aio_rename "$uuid~", $uuid
		3524	and return;
		3525
		3526	warn "uuid file written ($value).\n";
		3527
		3528	1
		3529
		3530	}
		3531
		3532	sub write_uuid($$) {
		3533	my ($skip, $sync) = @_;
		3534
		3535	$sync ? write_uuid_sync $skip
		3536	: async { write_uuid_sync $skip };
3402	}	3537	}
3403		3538
3404	sub emergency_save() {	3539	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3540	my $freeze_guard = cf::freeze_mainloop;
3406		3541
3407	warn "enter emergency perl save\n";	3542	warn "emergency_perl_save: enter\n";
3408		3543
3409	cf::sync_job {	3544	cf::sync_job {
		3545	# this is a trade-off: we want to be very quick here, so
		3546	# save all maps without fsync, and later call a global sync
		3547	# (which in turn might be very very slow)
		3548	local $USE_FSYNC = 0;
		3549
3410	# use a peculiar iteration method to avoid tripping on perl	3550	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3551	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3552	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3553	warn "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3554	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3555	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3556	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3557	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3558	$pl->save;
3419	}	3559	}
3420	warn "end emergency player save\n";	3560	warn "emergency_perl_save: end player save\n";
3421		3561
3422	warn "begin emergency map save\n";	3562	warn "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3563	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3564	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3565	$map->valid or next;
3426	$map->save;	3566	$map->save;
3427	}	3567	}
3428	warn "end emergency map save\n";	3568	warn "emergency_perl_save: end map save\n";
3429		3569
3430	warn "begin emergency database checkpoint\n";	3570	warn "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3571	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3572	warn "emergency_perl_save: end database checkpoint\n";
		3573
		3574	warn "emergency_perl_save: begin write uuid\n";
		3575	write_uuid_sync 1;
		3576	warn "emergency_perl_save: end write uuid\n";
3433	};	3577	};
3434		3578
		3579	warn "emergency_perl_save: starting sync()\n";
		3580	IO::AIO::aio_sync sub {
		3581	warn "emergency_perl_save: finished sync()\n";
		3582	};
		3583
3435	warn "leave emergency perl save\n";	3584	warn "emergency_perl_save: leave\n";
3436	}	3585	}
3437		3586
3438	sub post_cleanup {	3587	sub post_cleanup {
3439	my ($make_core) = @_;	3588	my ($make_core) = @_;
3440		3589
3441	warn Carp::longmess "post_cleanup backtrace"	3590	warn Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3591	if $make_core;
		3592
		3593	my $fh = pidfile;
		3594	unlink $PIDFILE if <$fh> == $$;
		3595	}
		3596
		3597	# a safer delete_package, copied from Symbol
		3598	sub clear_package($) {
		3599	my $pkg = shift;
		3600
		3601	# expand to full symbol table name if needed
		3602	unless ($pkg =~ /^main::.*::$/) {
		3603	$pkg = "main$pkg" if $pkg =~ /^::/;
		3604	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3605	$pkg .= '::' unless $pkg =~ /::$/;
		3606	}
		3607
		3608	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3609	my $stem_symtab = *{$stem}{HASH};
		3610
		3611	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3612	or return;
		3613
		3614	# clear all symbols
		3615	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3616	for my $name (keys %$leaf_symtab) {
		3617	_gv_clear *{"$pkg$name"};
		3618	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3619	}
		3620	warn "cleared package $pkg\n";#d#
3443	}	3621	}
3444		3622
3445	sub do_reload_perl() {	3623	sub do_reload_perl() {
3446	# can/must only be called in main	3624	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3625	if ($Coro::current != $Coro::main) {
3448	warn "can only reload from main coroutine";	3626	warn "can only reload from main coroutine";
3449	return;	3627	return;
3450	}	3628	}
3451		3629
		3630	return if $RELOAD++;
		3631
		3632	my $t1 = EV::time;
		3633
		3634	while ($RELOAD) {
3452	warn "reloading...";	3635	warn "reloading...";
3453		3636
3454	warn "entering sync_job";	3637	warn "entering sync_job";
3455		3638
3456	cf::sync_job {	3639	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark	3640	cf::write_runtime_sync; # external watchdog should not bark
3458	cf::emergency_save;	3641	cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3460		3643
3461	warn "syncing database to disk";	3644	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;	3645	BDB::db_env_txn_checkpoint $DB_ENV;
3463		3646
3464	# if anything goes wrong in here, we should simply crash as we already saved	3647	# if anything goes wrong in here, we should simply crash as we already saved
3465		3648
3466	warn "flushing outstanding aio requests";	3649	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;	3650	while (IO::AIO::nreqs || BDB::nreqs) {
3472	warn "iterate...";	3651	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3473	}
3474
3475	++$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	}	3652	}
3498		3653
3499	warn "... nuking $pkg";	3654	warn "cancelling all extension coros";
3500	Symbol::delete_package $pkg;	3655	$_->cancel for values %EXT_CORO;
3501	}	3656	%EXT_CORO = ();
3502		3657
3503	warn "unloading all perl modules loaded from $LIBDIR";	3658	warn "removing commands";
3504	while (my ($k, $v) = each %INC) {	3659	%COMMAND = ();
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3660
		3661	warn "removing ext/exti commands";
		3662	%EXTCMD = ();
		3663	%EXTICMD = ();
		3664
		3665	warn "unloading/nuking all extensions";
		3666	for my $pkg (@EXTS) {
3507	warn "... unloading $k";	3667	warn "... unloading $pkg";
3508	delete $INC{$k};
3509		3668
3510	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;
3512
3513	if (my $cb = $k->can ("unload_module")) {	3669	if (my $cb = $pkg->can ("unload")) {
		3670	eval {
3514	$cb->();	3671	$cb->($pkg);
		3672	1
		3673	} or warn "$pkg unloaded, but with errors: $@";
		3674	}
		3675
		3676	warn "... clearing $pkg";
		3677	clear_package $pkg;
3515	}	3678	}
3516		3679
3517	Symbol::delete_package $k;	3680	warn "unloading all perl modules loaded from $LIBDIR";
		3681	while (my ($k, $v) = each %INC) {
		3682	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3683
		3684	warn "... unloading $k";
		3685	delete $INC{$k};
		3686
		3687	$k =~ s/\.pm$//;
		3688	$k =~ s/\//::/g;
		3689
		3690	if (my $cb = $k->can ("unload_module")) {
		3691	$cb->();
		3692	}
		3693
		3694	clear_package $k;
3518	}	3695	}
3519		3696
3520	warn "getting rid of safe::, as good as possible";	3697	warn "getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	3698	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3699	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		3700
3524	warn "unloading cf.pm \"a bit\"";	3701	warn "unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	3702	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	3703	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3527		3704
3528	# don't, removes xs symbols, too,	3705	# don't, removes xs symbols, too,
3529	# and global variables created in xs	3706	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	3707	#clear_package __PACKAGE__;
3531		3708
3532	warn "unload completed, starting to reload now";	3709	warn "unload completed, starting to reload now";
3533		3710
3534	warn "reloading cf.pm";	3711	warn "reloading cf.pm";
3535	require cf;	3712	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3713	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3537		3714
3538	warn "loading config and database again";	3715	warn "loading config and database again";
3539	cf::reload_config;	3716	cf::reload_config;
3540		3717
3541	warn "loading extensions";	3718	warn "loading extensions";
3542	cf::load_extensions;	3719	cf::load_extensions;
3543		3720
		3721	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	3722	warn "reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	3723	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	3724	warn "reattaching attachments to maps";
3547	reattach $_ for values %MAP;	3725	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	3726	warn "reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	3727	reattach $_ for values %PLAYER;
		3728	}
3550		3729
		3730	warn "running post_init jobs";
		3731	(pop @POST_INIT)->(1) while @POST_INIT;
		3732
3551	warn "leaving sync_job";	3733	warn "leaving sync_job";
3552		3734
3553	1	3735	1
3554	} or do {	3736	} or do {
3555	warn $@;	3737	warn $@;
3556	warn "error while reloading, exiting.";	3738	cf::cleanup "error while reloading, exiting.";
3557	exit 1;
3558	};	3739	};
3559		3740
3560	warn "reloaded";	3741	warn "reloaded";
		3742	--$RELOAD;
		3743	}
		3744
		3745	$t1 = EV::time - $t1;
		3746	warn "reload completed in ${t1}s\n";
3561	};	3747	};
3562		3748
3563	our $RELOAD_WATCHER; # used only during reload	3749	our $RELOAD_WATCHER; # used only during reload
3564		3750
3565	sub reload_perl() {	3751	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	3752	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	3753	# coro crashes during coro_state_free->destroy here.
3568		3754
		3755	$RELOAD_WATCHER ||= cf::async {
		3756	Coro::AIO::aio_wait cache_extensions;
		3757
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3758	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3759	do_reload_perl;
3570	undef $RELOAD_WATCHER;	3760	undef $RELOAD_WATCHER;
3571	do_reload_perl;	3761	};
3572	};	3762	};
3573	}	3763	}
3574		3764
3575	register_command "reload" => sub {	3765	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
…		…
3590		3780
3591	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
3593		3783
3594	sub wait_for_tick {	3784	sub wait_for_tick {
3595	return unless $TICK_WATCHER->is_active;
3596	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
3597		3786
3598	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;	3789	$signal->wait;
3601	}	3790	}
3602		3791
3603	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
3604	return unless $TICK_WATCHER->is_active;
3605	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
3606		3794
3607	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	3797	$signal->wait;
3610	}	3798	}
3611		3799
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3800	sub tick {
3613	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
3616	return;	3804	return;
3617	}	3805	}
3618		3806
3619	$NOW = $tick_start = EV::now;
3620
3621	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		3808
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	3811	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	3812	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	3813	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
3632	};	3815	};
3633	}	3816	}
3634		3817
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3637	}	3820	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
3639	$sig->send;	3822	$sig->send;
3640	}	3823	}
3641		3824
3642	$LOAD = ($NOW - $tick_start) / $TICK;	3825	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		3827
3645	_post_tick;	3828	if (0) {
3646	};	3829	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
3648		3836
3649	{	3837	{
3650	# configure BDB	3838	# configure BDB
3651		3839
3652	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
3653	BDB::max_poll_reqs $TICK * 0.1;	3841	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	3842	$AnyEvent::BDB::WATCHER->priority (1);
3655		3843
3656	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		3851
3663	cf::sync_job {	3852	cf::sync_job {
3664	eval {	3853	eval {
…		…
3690	{	3879	{
3691	# configure IO::AIO	3880	# configure IO::AIO
3692		3881
3693	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	3884	undef $AnyEvent::AIO::WATCHER;
3696	}	3885	}
3697		3886
3698	my $_log_backtrace;	3887	my $_log_backtrace;
3699		3888
3700	sub _log_backtrace {	3889	sub _log_backtrace {
…		…
3703	$msg =~ s/\n//;	3892	$msg =~ s/\n//;
3704		3893
3705	# limit the # of concurrent backtraces	3894	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	3895	if ($_log_backtrace < 2) {
3707	++$_log_backtrace;	3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
3708	async {	3898	async {
3709	$Coro::current->{desc} = "abt $msg";	3899	$Coro::current->{desc} = "abt $msg";
3710		3900
3711	my @bt = fork_call {	3901	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	3902	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	3913	}
3724		3914
3725	@funcs	3915	@funcs
3726	};	3916	};
3727		3917
3728	LOG llevInfo, "[ABT] $msg\n";	3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	3920	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	3921	--$_log_backtrace;
3731	};	3922	};
3732	} else {	3923	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	3924	LOG llevInfo, "[ABT] $msg\n";
3734	LOG llevInfo, "[ABT] [suppressed]\n";	3925	LOG llevInfo, "[ABT] [suppressed]\n";
3735	}	3926	}
3736	}	3927	}
3737		3928
3738	# load additional modules	3929	# load additional modules
3739	use cf::pod;	3930	eval "use cf::$_" for @EXTRA_MODULES;
3740		3931
3741	END { cf::emergency_save }	3932	END { cf::emergency_save }
3742		3933
3743	1	3934	1
3744		3935

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