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Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.472 by root, Sat Jun 6 21:43:13 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 ();	58	use YAML ();
33	use IO::AIO 2.51 ();	59	use IO::AIO ();
34	use Time::HiRes;	60	use Time::HiRes;
35	use Compress::LZF;	61	use Compress::LZF;
36	use Digest::MD5 ();	62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
37		65
38	# configure various modules to our taste	66	# configure various modules to our taste
39	#	67	#
40	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
45		76
46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	77	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
47		78
48	our %COMMAND = ();	79	our %COMMAND = ();
49	our %COMMAND_TIME = ();	80	our %COMMAND_TIME = ();
…		…
52	our %EXTCMD = ();	83	our %EXTCMD = ();
53	our %EXTICMD = ();	84	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	85	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	86	our %EXT_MAP = (); # pluggable maps
56		87
57	our $RELOAD; # number of reloads so far	88	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	89	our @EVENT;
59		90
60	our $CONFDIR = confdir;	91	our $CONFDIR = confdir;
61	our $DATADIR = datadir;	92	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	93	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	94	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	95	our $MAPDIR = "$DATADIR/" . mapdir;
65	our $LOCALDIR = localdir;	96	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	97	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	98	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	99	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	100	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	101	our $BDBDIR = "$LOCALDIR/db";
		102	our $PIDFILE = "$LOCALDIR/pid";
		103	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		104
71	our %RESOURCE;	105	our %RESOURCE;
72		106
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	107	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	108	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	109	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	110	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		111
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	112	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	113	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	114	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	115	our $DB_ENV;
85		116
		117	our @EXTRA_MODULES = qw(pod mapscript);
		118
86	our %CFG;	119	our %CFG;
87		120
88	our $UPTIME; $UPTIME ||= time;	121	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	122	our $RUNTIME;
90	our $NOW;	123	our $NOW;
…		…
96	# 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 ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	130	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		131
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	133	our $LOADAVG; # same thing, but with alpha-smoothing
		134	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	135	our $TICK_START; # for load detecting purposes
		136
		137	our @POST_INIT;
		138
		139	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
102		140
103	binmode STDOUT;	141	binmode STDOUT;
104	binmode STDERR;	142	binmode STDERR;
105		143
106	# read virtual server time, if available	144	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	145	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	146	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	147	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	148	$RUNTIME = <$fh> + 0.;
111	}	149	}
		150
		151	eval "sub TICK() { $TICK } 1" or die;
112		152
113	mkdir $_	153	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	154	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		155
116	our $EMERGENCY_POSITION;	156	our $EMERGENCY_POSITION;
…		…
192	LOG llevError, $msg;	232	LOG llevError, $msg;
193	};	233	};
194	}	234	}
195		235
196	$Coro::State::DIEHOOK = sub {	236	$Coro::State::DIEHOOK = sub {
		237	return unless $^S eq 0; # "eq", not "=="
		238
		239	if ($Coro::current == $Coro::main) {#d#
		240	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		241	return;#d#
		242	}#d#
		243
		244	# kill coroutine otherwise
197	warn Carp::longmess $_[0];	245	warn Carp::longmess $_[0];
198	Coro::terminate;	246	Coro::terminate
199	};	247	};
		248
		249	$SIG{__DIE__} = sub { }; #d#?
200		250
201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	251	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	252	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	253	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	254	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
211	for my $pkg (qw(	261	for my $pkg (qw(
212	cf::global cf::attachable	262	cf::global cf::attachable
213	cf::object cf::object::player	263	cf::object cf::object::player
214	cf::client cf::player	264	cf::client cf::player
215	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
216	cf::map cf::party cf::region	267	cf::party cf::region
217	)) {	268	)) {
218	no strict 'refs';
219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
220	}	270	}
221		271
222	$EV::DIED = sub {	272	$EV::DIED = sub {
223	warn "error in event callback: @_";	273	warn "error in event callback: @_";
…		…
265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
266		316
267	sub encode_json($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
268	sub decode_json($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
269		319
		320	=item cf::post_init { BLOCK }
		321
		322	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		323	but I<before> the server starts ticking again.
		324
		325	The cdoeblock will have a single boolean argument to indicate whether this
		326	is a reload or not.
		327
		328	=cut
		329
		330	sub post_init(&) {
		331	push @POST_INIT, shift;
		332	}
		333
270	=item cf::lock_wait $string	334	=item cf::lock_wait $string
271		335
272	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
273		337
274	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
275		339
276	Wait until the given lock is available and then acquires it and returns	340	Wait until the given lock is available and then acquires it and returns
277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	341	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
278	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
279	returned.	343	returned.
280		344
281	Locks are *not* recursive, locking from the same coro twice results in a	345	Locks are *not* recursive, locking from the same coro twice results in a
282	deadlocked coro.	346	deadlocked coro.
…		…
288		352
289	Return true if the lock is currently active, i.e. somebody has locked it.	353	Return true if the lock is currently active, i.e. somebody has locked it.
290		354
291	=cut	355	=cut
292		356
293	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
294	our %LOCKER;#d#
295		358
296	sub lock_wait($) {	359	sub lock_wait($) {
297	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
298
299	if ($LOCKER{$key} == $Coro::current) {#d#
300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301	return;#d#
302	}#d#
303
304	# wait for lock, if any
305	while ($LOCK{$key}) {
306	push @{ $LOCK{$key} }, $Coro::current;
307	Coro::schedule;
308	}
309	}	361	}
310		362
311	sub lock_acquire($) {	363	sub lock_acquire($) {
312	my ($key) = @_;	364	$LOCKS->guard ($_[0])
313
314	# wait, to be sure we are not locked
315	lock_wait $key;
316
317	$LOCK{$key} = [];
318	$LOCKER{$key} = $Coro::current;#d#
319
320	Coro::guard {
321	delete $LOCKER{$key};#d#
322	# wake up all waiters, to be on the safe side
323	$_->ready for @{ delete $LOCK{$key} };
324	}
325	}	365	}
326		366
327	sub lock_active($) {	367	sub lock_active($) {
328	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
329
330	! ! $LOCK{$key}
331	}	369	}
332		370
333	sub freeze_mainloop {	371	sub freeze_mainloop {
334	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
335		373
336	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
337	$TICK_WATCHER->start;
338	};
339	$TICK_WATCHER->stop;
340	$guard
341	}	375	}
342		376
343	=item cf::periodic $interval, $cb	377	=item cf::periodic $interval, $cb
344		378
345	Like EV::periodic, but randomly selects a starting point so that the actions	379	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
400	}	434	}
401	}	435	}
402	};	436	};
403		437
404	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
405	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
406		442
407	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
408	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
409		445
…		…
446	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
447	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
448		484
449	LOG llevError, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
450		486
451	# TODO: use suspend/resume instead
452	# (but this is cancel-safe)
453	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
454		488
455	my $busy = 1;	489	my $busy = 1;
456	my @res;	490	my @res;
457		491
…		…
468	} else {	502	} else {
469	EV::loop EV::LOOP_ONESHOT;	503	EV::loop EV::LOOP_ONESHOT;
470	}	504	}
471	}	505	}
472		506
473	$time = EV::time - $time;	507	my $time = EV::time - $time;
474		508
475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
479		510
480	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
481	} else {	512	} else {
482	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
483		514
…		…
525	reset_signals;	556	reset_signals;
526	&$cb	557	&$cb
527	}, @args;	558	}, @args;
528		559
529	wantarray ? @res : $res[-1]	560	wantarray ? @res : $res[-1]
		561	}
		562
		563	=item $coin = coin_from_name $name
		564
		565	=cut
		566
		567	our %coin_alias = (
		568	"silver" => "silvercoin",
		569	"silvercoin" => "silvercoin",
		570	"silvercoins" => "silvercoin",
		571	"gold" => "goldcoin",
		572	"goldcoin" => "goldcoin",
		573	"goldcoins" => "goldcoin",
		574	"platinum" => "platinacoin",
		575	"platinumcoin" => "platinacoin",
		576	"platinumcoins" => "platinacoin",
		577	"platina" => "platinacoin",
		578	"platinacoin" => "platinacoin",
		579	"platinacoins" => "platinacoin",
		580	"royalty" => "royalty",
		581	"royalties" => "royalty",
		582	);
		583
		584	sub coin_from_name($) {
		585	$coin_alias{$_[0]}
		586	? cf::arch::find $coin_alias{$_[0]}
		587	: undef
530	}	588	}
531		589
532	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
533		591
534	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
673		731
674	#############################################################################	732	#############################################################################
675		733
676	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
677		735
678	Many objects in crossfire are so-called attachable objects. That means you can	736	Many objects in deliantra are so-called attachable objects. That means you can
679	attach callbacks/event handlers (a collection of which is called an "attachment")	737	attach callbacks/event handlers (a collection of which is called an "attachment")
680	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
681		739
682	In the following description, CLASS can be any of C<global>, C<object>	740	In the following description, CLASS can be any of C<global>, C<object>
683	C<player>, C<client> or C<map> (i.e. the attachable objects in	741	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
733	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
734		792
735	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
736	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
737		795
738	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
739	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
740		798
741	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
742		800
743	=over 4	801	=over 4
…		…
1034		1092
1035	sub reattach {	1093	sub reattach {
1036	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1037	my ($obj) = @_;	1095	my ($obj) = @_;
1038		1096
		1097	# no longer needed after getting rid of delete_package?
1039	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1098	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1040		1099
1041	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1042		1101
1043	@$registry = ();	1102	@$registry = ();
1044		1103
…		…
1090	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1091	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1092	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1093		1152
1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1095	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1097	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1098	close $fh;	1157	aio_close $fh;
1099		1158
1100	if (@$objs) {	1159	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1160	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1106	close $fh;	1165	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1167	}
1109	} else {	1168	} else {
1110	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1111	}	1170	}
1112		1171
1113	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1176	} else {
1115	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1116	}	1178	}
1117	} else {	1179	} else {
1118	aio_unlink $filename;	1180	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1120	}	1182	}
…		…
1211	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1212		1274
1213	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1214	}	1276	}
1215		1277
		1278	use File::Glob ();
		1279
1216	cf::player->attach (	1280	cf::player->attach (
1217	on_command => sub {	1281	on_command => sub {
1218	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1219		1283
1220	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1252		1316
1253	cf::override;	1317	cf::override;
1254	},	1318	},
1255	);	1319	);
1256		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1257	sub load_extensions {	1334	sub load_extensions {
1258	cf::sync_job {	1335	cf::sync_job {
1259	my %todo;	1336	my %todo;
1260		1337
1261	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1280		1357
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1360
1284	$ext{source} =	1361	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1286	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1287	. $source	1364	. $source
1288	. "\n};\n1";	1365	. "\n};\n1";
1289		1366
1290	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1306	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1307	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1308		1385
1309	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1310	warn $msg;	1387	warn $msg;
1311	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1312	exit 1;
1313	}	1389	}
1314		1390
1315	warn $msg;	1391	warn $msg;
1316	}	1392	}
1317		1393
…		…
1331		1407
1332	=back	1408	=back
1333		1409
1334	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1335		1411
1336	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1337		1413
1338	=cut	1414	=cut
1339		1415
1340	package cf::player;	1416	package cf::player;
1341		1417
…		…
1384		1460
1385	sub exists($) {	1461	sub exists($) {
1386	my ($login) = @_;	1462	my ($login) = @_;
1387		1463
1388	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1390	}	1466	}
1391		1467
1392	sub find($) {	1468	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1470	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1482	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1483	or return;
1408		1484
1409	my $pl = cf::player::load_pl $f	1485	my $pl = cf::player::load_pl $f
1410	or return;	1486	or return;
		1487
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1488	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1489	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1414	}	1491	}
1415	}	1492	}
…		…
1425		1502
1426	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1427		1504
1428	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1430		1509
1431	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1511	cf::cede_to_tick;
1433	}	1512	}
1434		1513
…		…
1466	my ($pl) = @_;	1545	my ($pl) = @_;
1467		1546
1468	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1469		1548
1470	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1550	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1551
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1474	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1476	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1477		1558
1478	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1518		1599
1519	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
1520	my $path = path $login;	1601	my $path = path $login;
1521		1602
1522	# a .pst is a dead give-away for a valid player	1603	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1609	}
1528		1610
…		…
1559	}	1641	}
1560		1642
1561	\@paths	1643	\@paths
1562	}	1644	}
1563		1645
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1647
1566	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1567
1568	=cut
1569
1570	use re 'eval';
1571
1572	my $group;
1573	my $interior; $interior = qr{
1574	# match a pod interior sequence sans C<< >>
1575	(?:
1576	\ (.*?)\ (?{ $group = $^N })
1577	| < (??{$interior}) >
1578	)
1579	}x;
1580
1581	sub expand_cfpod {
1582	my ($self, $pod) = @_;
1583
1584	my $xml;
1585
1586	while () {
1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588	$group = $1;
1589
1590	$group =~ s/&/&amp;/g;
1591	$group =~ s/</&lt;/g;
1592
1593	$xml .= $group;
1594	} elsif ($pod =~ m%\G
1595	([BCGHITU])
1596	<
1597	(?:
1598	([^<>]*) (?{ $group = $^N })
1599	| < $interior >
1600	)
1601	>
1602	%gcsx
1603	) {
1604	my ($code, $data) = ($1, $group);
1605
1606	if ($code eq "B") {
1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608	} elsif ($code eq "I") {
1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610	} elsif ($code eq "U") {
1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612	} elsif ($code eq "C") {
1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614	} elsif ($code eq "T") {
1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616	} elsif ($code eq "G") {
1617	my ($male, $female) = split /\|/, $data;
1618	$data = $self->gender ? $female : $male;
1619	$xml .= expand_cfpod ($self, $data);
1620	} elsif ($code eq "H") {
1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623	"")
1624	[$self->{hintmode}];
1625	} else {
1626	$xml .= "error processing '$code($data)' directive";
1627	}
1628	} else {
1629	if ($pod =~ /\G(.+)/) {
1630	warn "parse error while expanding $pod (at $1)";
1631	}
1632	last;
1633	}
1634	}
1635
1636	for ($xml) {
1637	# create single paragraphs (very hackish)
1638	s/(?<=\S)\n(?=\w)/ /g;
1639
1640	# compress some whitespace
1641	s/\s+\n/\n/g; # ws line-ends
1642	s/\n\n+/\n/g; # double lines
1643	s/^\n+//; # beginning lines
1644	s/\n+$//; # ending lines
1645	}
1646
1647	$xml
1648	}
1649
1650	no re 'eval';
1651
1652	sub hintmode {
1653	$_[0]{hintmode} = $_[1] if @_ > 1;
1654	$_[0]{hintmode}
1655	}
1656		1649
1657	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1658		1651
1659	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1660		1653
…		…
1727	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1729		1722
1730	sub generate_random_map {	1723	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1724	my ($self, $rmp) = @_;
		1725
		1726	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1727
1732	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	1729	$self->_create_random_map (
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1858		1854
1859	# the temporary/swap location	1855	# the temporary/swap location
1860	sub save_path {	1856	sub save_path {
1861	my ($self) = @_;	1857	my ($self) = @_;
1862		1858
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1865	}	1861	}
1866		1862
1867	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1868	sub uniq_path {	1864	sub uniq_path {
1869	my ($self) = @_;	1865	my ($self) = @_;
1870		1866
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1873	}
1874
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}	1869	}
1883		1870
1884	sub decay_objects {	1871	sub decay_objects {
1885	my ($self) = @_;	1872	my ($self) = @_;
1886		1873
…		…
1970	sub find {	1957	sub find {
1971	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1972		1959
1973	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1974		1961
1975	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1977		1964
1978	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_find:$path";
1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1982	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1983	or return;	1967	or return;
1984		1968
1985	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1986		1970
…		…
1988	or return;	1972	or return;
1989		1973
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
1993	undef $guard1;	1978	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	1979	$map->reset;
1996	return find $path;	1980	return find $path;
1997	}	1981	}
1998		1982
1999	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2011	$f->skip_block;
2028	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
2029	or return;	2013	or return;
2030		2014
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
2032	if delete $self->{load_original};	2016	if delete $self->{load_original};
2033		2017
2034	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2019	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
2054	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2039	$self->decay_objects;
2056	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
2057	$self->update_buttons;	2041	$self->update_buttons;
2058	cf::cede_to_tick;	2042	cf::cede_to_tick;
2059	$self->set_darkness_map;
2060	cf::cede_to_tick;
2061	$self->activate;	2043	$self->activate;
2062	}	2044	}
2063		2045
2064	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
2066		2048
2067	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2050	}
2069		2051
2070	$self->post_load;	2052	$self->post_load;
2071	}	2053	}
2072		2054
…		…
2130	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
2131		2113
2132	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
2133		2115
2134	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136	}	2118	}
2137		2119
2138	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
2139		2121
2140	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
…		…
2177	cf::async {	2159	cf::async {
2178	$Coro::current->{desc} = "map player save";	2160	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2180	};	2162	};
2181		2163
		2164	cf::get_slot 0.02;
		2165
2182	if ($uniq) {	2166	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2169	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2170	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2194	$self->save;	2178	$self->save;
2195		2179
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2181
2198	return if $self->players;	2182	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2200	return if $self->{deny_save};	2184	return if $self->{deny_save};
2201		2185
2202	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->in_memory (cf::MAP_SWAPPED);
2203		2187
2204	$self->deactivate;	2188	$self->deactivate;
…		…
2322		2306
2323	sub unique_maps() {	2307	sub unique_maps() {
2324	[	2308	[
2325	map {	2309	map {
2326	utf8::decode $_;	2310	utf8::decode $_;
2327	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2328	? normalise $_	2314	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2316	]
2332	}	2317	}
2333		2318
2334	package cf;
2335
2336	=back	2319	=back
2337		2320
2338	=head3 cf::object	2321	=head3 cf::object
2339		2322
2340	=cut	2323	=cut
…		…
2343		2326
2344	=over 4	2327	=over 4
2345		2328
2346	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2347		2330
2348	Returns the inventory of the object _and_ their inventories, recursively.	2331	Returns the inventory of the object I<and> their inventories, recursively,
		2332	but I<not> the object itself.
2349		2333
2350	=cut	2334	=cut
2351		2335
2352	sub inv_recursive_;	2336	sub inv_recursive_;
2353	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2359	}	2343	}
2360		2344
2361	=item $ref = $ob->ref	2345	=item $ref = $ob->ref
2362		2346
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2347	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2348
2365	=item $ob = cf::object::deref ($refstring)	2349	=item $ob = cf::object::deref ($refstring)
2366		2350
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2351	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2352	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2384	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2402		2386
2403	=cut	2387	=cut
2404		2388
		2389	our $SAY_CHANNEL = {
		2390	id => "say",
		2391	title => "Map",
		2392	reply => "say ",
		2393	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2394	};
		2395
		2396	our $CHAT_CHANNEL = {
		2397	id => "chat",
		2398	title => "Chat",
		2399	reply => "chat ",
		2400	tooltip => "Player chat and shouts, global to the server.",
		2401	};
		2402
2405	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2404	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2405	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2407	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2420
2423	} else {	2421	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2424	}
2427	}	2425	}
2428	}	2426	}
2429		2427
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2453
2456	=item $player_object->enter_link	2454	=item $player_object->enter_link
2457		2455
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2456	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2457
2460	The player should be reasonably safe there for short amounts of time. You	2458	The player should be reasonably safe there for short amounts of time (e.g.
2461	I<MUST> call C<leave_link> as soon as possible, though.	2459	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2460	though, as the palyer cannot control the character while it is on the link
		2461	map.
2462		2462
2463	Will never block.	2463	Will never block.
2464		2464
2465	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2466		2466
…		…
2524		2524
2525	$map->load;	2525	$map->load;
2526	$map->load_neighbours;	2526	$map->load_neighbours;
2527		2527
2528	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;	2530	$self->activate_recursive;
2530		2531
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2533	}	2534	}
…		…
2537	Moves the player to the given map-path and coordinates by first freezing	2538	Moves the player to the given map-path and coordinates by first freezing
2538	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2539	that has to return the map if sucecssful, and then unfreezes the player on	2540	that has to return the map if sucecssful, and then unfreezes the player on
2540	the new (success) or old (failed) map position. In either case, $done will	2541	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2542	be called at the end of this process.
		2543
		2544	Note that $check will be called with a potentially non-loaded map, so if
		2545	it needs a loaded map it has to call C<< ->load >>.
2542		2546
2543	=cut	2547	=cut
2544		2548
2545	our $GOTOGEN;	2549	our $GOTOGEN;
2546		2550
…		…
2625	}	2629	}
2626		2630
2627	sub prepare_random_map {	2631	sub prepare_random_map {
2628	my ($exit) = @_;	2632	my ($exit) = @_;
2629		2633
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2636	# that depends on the exit object
2635		2637
2636	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2640	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2643	}	2647	}
2644		2648
2645	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2646		2650
2647	my $data = cf::encode_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2650		2654
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2657	undef $fh;
2654	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2655		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2658	}	2666	}
2659	}	2667	}
2660		2668
2661	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2663		2671
2664	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2665		2673
2666	if ($exit->slaying eq "/!") {
2667	#TODO: this should de-fi-ni-te-ly not be a sync-job
2668	# the problem is that $exit might not survive long enough
2669	# so it needs to be done right now, right here
2670	cf::sync_job { prepare_random_map $exit };
2671	}
2672
2673	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2674	my $hp = $exit->stats->hp;
2675	my $sp = $exit->stats->sp;
2676
2677	$self->enter_link;	2674	$self->enter_link;
2678		2675
2679	# if exit is damned, update players death & WoR home-position
2680	$self->contr->savebed ($slaying, $hp, $sp)
2681	if $exit->flag (FLAG_DAMNED);
2682
2683	(async {	2676	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2677	$Coro::current->{desc} = "enter_exit";
2685		2678
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2679	unless (eval {
		2680	$self->deactivate_recursive; # just to be sure
		2681
		2682	# random map handling
		2683	{
		2684	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2685
		2686	prepare_random_map $exit
		2687	if $exit->slaying eq "/!";
		2688	}
		2689
		2690	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2691	my $x = $exit->stats->hp;
		2692	my $y = $exit->stats->sp;
		2693
2688	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2689		2695
		2696	# if exit is damned, update players death & WoR home-position
		2697	$self->contr->savebed ($map, $x, $y)
		2698	if $exit->flag (cf::FLAG_DAMNED);
		2699
2690	1;	2700	1
2691	}) {	2701	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	2703	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2706
2697	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2763	id => "infobox",	2773	id => "infobox",
2764	title => "Body Parts",	2774	title => "Body Parts",
2765	reply => undef,	2775	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	2776	tooltip => "Shows which body parts you posess and are available",
2767	},	2777	},
		2778	"c/statistics" => {
		2779	id => "infobox",
		2780	title => "Statistics",
		2781	reply => undef,
		2782	tooltip => "Shows your primary statistics",
		2783	},
		2784	"c/skills" => {
		2785	id => "infobox",
		2786	title => "Skills",
		2787	reply => undef,
		2788	tooltip => "Shows your experience per skill and item power",
		2789	},
		2790	"c/shopitems" => {
		2791	id => "infobox",
		2792	title => "Shop Items",
		2793	reply => undef,
		2794	tooltip => "Shows the items currently for sale in this shop",
		2795	},
		2796	"c/resistances" => {
		2797	id => "infobox",
		2798	title => "Resistances",
		2799	reply => undef,
		2800	tooltip => "Shows your resistances",
		2801	},
		2802	"c/pets" => {
		2803	id => "infobox",
		2804	title => "Pets",
		2805	reply => undef,
		2806	tooltip => "Shows information abotu your pets/a specific pet",
		2807	},
		2808	"c/perceiveself" => {
		2809	id => "infobox",
		2810	title => "Perceive Self",
		2811	reply => undef,
		2812	tooltip => "You gained detailed knowledge about yourself",
		2813	},
2768	"c/uptime" => {	2814	"c/uptime" => {
2769	id => "infobox",	2815	id => "infobox",
2770	title => "Uptime",	2816	title => "Uptime",
2771	reply => undef,	2817	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	2818	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	2821	id => "infobox",
2776	title => "Map Info",	2822	title => "Map Info",
2777	reply => undef,	2823	reply => undef,
2778	tooltip => "Information related to the maps",	2824	tooltip => "Information related to the maps",
2779	},	2825	},
		2826	"c/party" => {
		2827	id => "party",
		2828	title => "Party",
		2829	reply => "gsay ",
		2830	tooltip => "Messages and chat related to your party",
		2831	},
		2832	"c/death" => {
		2833	id => "death",
		2834	title => "Death",
		2835	reply => undef,
		2836	tooltip => "Reason for and more info about your most recent death",
		2837	},
		2838	"c/say" => $SAY_CHANNEL,
		2839	"c/chat" => $CHAT_CHANNEL,
2780	);	2840	);
2781		2841
2782	sub cf::client::send_msg {	2842	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	2843	my ($self, $channel, $msg, $color, @extra) = @_;
2784		2844
2785	$msg = $self->pl->expand_cfpod ($msg);	2845	$msg = $self->pl->expand_cfpod ($msg)
		2846	unless $color & cf::NDI_VERBATIM;
2786		2847
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	2848	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		2849
2789	# check predefined channels, for the benefit of C	2850	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	2851	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	2852	$channel = $CHANNEL{$channel};
2792		2853
2793	$self->ext_msg (channel_info => $channel)	2854	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	2855	$channel = $channel->{id};
2797		2856
2798	} elsif (ref $channel) {	2857	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	2858	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	2859	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	2860	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	2861	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	2862	}
2805		2863
2806	$channel = $channel->{id};	2864	$channel = $channel->{id};
2807	}	2865	}
2808		2866
2809	return unless @extra || length $msg;	2867	return unless @extra || length $msg;
2810		2868
2811	if ($self->can_msg) {
2812	# default colour, mask it out	2869	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	2871	if $color & cf::NDI_DEF;
2815		2872
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	2873	my $pkt = "msg "
		2874	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2875	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	2876	);
2819	if ($color >= 0) {
2820	# replace some tags by gcfclient-compatible ones
2821	for ($msg) {
2822	1 while
2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828	}
2829		2877
2830	$color &= cf::NDI_COLOR_MASK;	2878	# try lzf for large packets
		2879	$pkt = "lzf " . Compress::LZF::compress $pkt
		2880	if 1024 <= length $pkt and $self->{can_lzf};
2831		2881
2832	utf8::encode $msg;	2882	# split very large packets
2833		2883	if (8192 < length $pkt and $self->{can_lzf}) {
2834	if (0 && $msg =~ /\[/) {	2884	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2835	# COMMAND/INFO	2885	$pkt = "frag";
2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
2837	} else {
2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839	$self->send_packet ("drawinfo $color $msg")
2840	}
2841	}
2842	}	2886	}
		2887
		2888	$self->send_packet ($pkt);
2843	}	2889	}
2844		2890
2845	=item $client->ext_msg ($type, @msg)	2891	=item $client->ext_msg ($type, @msg)
2846		2892
2847	Sends an ext event to the client.	2893	Sends an ext event to the client.
…		…
3021		3067
3022	The following functions and methods are available within a safe environment:	3068	The following functions and methods are available within a safe environment:
3023		3069
3024	cf::object	3070	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3071	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3072	insert remove name archname title slaying race decrease split
		3073	value
3027		3074
3028	cf::object::player	3075	cf::object::player
3029	player	3076	player
3030		3077
3031	cf::player	3078	cf::player
…		…
3036		3083
3037	=cut	3084	=cut
3038		3085
3039	for (	3086	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3087	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3088	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3089	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3090	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3091	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3092	["cf::map" => qw(trigger)],
3046	) {	3093	) {
3047	no strict 'refs';	3094	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3095	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3096	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3066	my ($code, %vars) = @_;	3113	my ($code, %vars) = @_;
3067		3114
3068	my $qcode = $code;	3115	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3116	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3117	$qcode =~ s/\n/\\n/g;
		3118
		3119	%vars = (_dummy => 0) unless %vars;
3071		3120
3072	local $_;	3121	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;	3122	local @safe::cf::_safe_eval_args = values %vars;
3074		3123
3075	my $eval =	3124	my $eval =
…		…
3255	while (my ($k, $v) = each %$want) {	3304	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3305	$ns->fx_want ($k, $v);
3257	}	3306	}
3258	};	3307	};
3259		3308
		3309	sub load_resource_file($) {
		3310	my $guard = lock_acquire "load_resource_file";
		3311
		3312	my $status = load_resource_file_ $_[0];
		3313	get_slot 0.1, 100;
		3314	cf::arch::commit_load;
		3315
		3316	$status
		3317	}
		3318
3260	sub reload_regions {	3319	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3320	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3321	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3322	%ext::player_env::MUSIC_FACE_CACHE = ();
3264		3323
…		…
3277	}	3336	}
3278		3337
3279	sub reload_archetypes {	3338	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3339	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3340	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3341	}
3288		3342
3289	sub reload_treasures {	3343	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3344	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3345	or die "unable to load treasurelists\n";
3292	}	3346	}
3293		3347
3294	sub reload_resources {	3348	sub reload_resources {
3295	warn "reloading resource files...\n";	3349	warn "reloading resource files...\n";
3296		3350
		3351	reload_facedata;
		3352	reload_archetypes;
3297	reload_regions;	3353	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3354	reload_treasures;
3302		3355
3303	warn "finished reloading resource files\n";	3356	warn "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3357	}
3309		3358
3310	sub reload_config {	3359	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
3312	or return;	3361	or return;
…		…
3326	};	3375	};
3327	warn $@ if $@;	3376	warn $@ if $@;
3328	}	3377	}
3329	}	3378	}
3330		3379
		3380	sub pidfile() {
		3381	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3382	or die "$PIDFILE: $!";
		3383	flock $fh, &Fcntl::LOCK_EX
		3384	or die "$PIDFILE: flock: $!";
		3385	$fh
		3386	}
		3387
		3388	# make sure only one server instance is running at any one time
		3389	sub atomic {
		3390	my $fh = pidfile;
		3391
		3392	my $pid = <$fh>;
		3393	kill 9, $pid if $pid > 0;
		3394
		3395	seek $fh, 0, 0;
		3396	print $fh $$;
		3397	}
		3398
3331	sub main {	3399	sub main {
		3400	cf::init_globals; # initialise logging
		3401
		3402	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3403	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3404	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3405	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3406
		3407	cf::init_experience;
		3408	cf::init_anim;
		3409	cf::init_attackmess;
		3410	cf::init_dynamic;
		3411
		3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413
3332	# we must not ever block the main coroutine	3414	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3415	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3416	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3417	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3418	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3419	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3420	})->prio (Coro::PRIO_MAX);
3339	};	3421	};
3340		3422
		3423	evthread_start IO::AIO::poll_fileno;
		3424
		3425	cf::sync_job {
		3426	reload_resources;
3341	reload_config;	3427	reload_config;
3342	db_init;	3428	db_init;
		3429
		3430	cf::load_settings;
		3431	cf::load_materials;
		3432	cf::init_uuid;
		3433	cf::init_signals;
		3434	cf::init_commands;
		3435	cf::init_skills;
		3436
		3437	cf::init_beforeplay;
		3438
		3439	atomic;
		3440
3343	load_extensions;	3441	load_extensions;
3344		3442
3345	$TICK_WATCHER->start;	3443	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3444
		3445	# no (long-running) fork's whatsoever before this point(!)
		3446	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3447
		3448	(pop @POST_INIT)->(0) while @POST_INIT;
		3449	};
		3450
3347	EV::loop;	3451	EV::loop;
3348	}	3452	}
3349		3453
3350	#############################################################################	3454	#############################################################################
3351	# initialisation and cleanup	3455	# initialisation and cleanup
…		…
3358	cf::cleanup "SIG$signal";	3462	cf::cleanup "SIG$signal";
3359	};	3463	};
3360	}	3464	}
3361	}	3465	}
3362		3466
3363	sub write_runtime {	3467	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";
3365
3366	# first touch the runtime file to show we are still running:	3468	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3469	# the fsync below can take a very very long time.
3368		3470
3369	IO::AIO::aio_utime $runtime, undef, undef;	3471	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3472
3371	my $guard = cf::lock_acquire "write_runtime";	3473	my $guard = cf::lock_acquire "write_runtime";
3372		3474
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3475	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3374	or return;	3476	or return;
3375		3477
3376	my $value = $cf::RUNTIME + 90 + 10;	3478	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3479	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3480	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3490	aio_utime $fh, undef, undef;
3389		3491
3390	close $fh	3492	close $fh
3391	or return;	3493	or return;
3392		3494
3393	aio_rename "$runtime~", $runtime	3495	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3496	and return;
3395		3497
3396	warn "runtime file written.\n";	3498	warn "runtime file written.\n";
3397		3499
3398	1	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_seq uuid_cur;
		3518
		3519	unless ($value) {
		3520	warn "cowardly refusing to write zero uuid value!\n";
		3521	return;
		3522	}
		3523
		3524	my $value = uuid_str $value + $uuid_skip;
		3525	$uuid_skip = 0;
		3526
		3527	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3528	and return;
		3529
		3530	# always fsync - this file is important
		3531	aio_fsync $fh
		3532	and return;
		3533
		3534	close $fh
		3535	or return;
		3536
		3537	aio_rename "$uuid~", $uuid
		3538	and return;
		3539
		3540	warn "uuid file written ($value).\n";
		3541
		3542	1
		3543
		3544	}
		3545
		3546	sub write_uuid($$) {
		3547	my ($skip, $sync) = @_;
		3548
		3549	$sync ? write_uuid_sync $skip
		3550	: async { write_uuid_sync $skip };
3399	}	3551	}
3400		3552
3401	sub emergency_save() {	3553	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3554	my $freeze_guard = cf::freeze_mainloop;
3403		3555
3404	warn "enter emergency perl save\n";	3556	warn "emergency_perl_save: enter\n";
3405		3557
3406	cf::sync_job {	3558	cf::sync_job {
		3559	# this is a trade-off: we want to be very quick here, so
		3560	# save all maps without fsync, and later call a global sync
		3561	# (which in turn might be very very slow)
		3562	local $USE_FSYNC = 0;
		3563
3407	# use a peculiar iteration method to avoid tripping on perl	3564	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3565	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3566	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3567	warn "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3568	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3569	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3570	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3571	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3572	$pl->save;
3416	}	3573	}
3417	warn "end emergency player save\n";	3574	warn "emergency_perl_save: end player save\n";
3418		3575
3419	warn "begin emergency map save\n";	3576	warn "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3577	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3578	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3579	$map->valid or next;
3423	$map->save;	3580	$map->save;
3424	}	3581	}
3425	warn "end emergency map save\n";	3582	warn "emergency_perl_save: end map save\n";
3426		3583
3427	warn "begin emergency database checkpoint\n";	3584	warn "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3585	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3586	warn "emergency_perl_save: end database checkpoint\n";
		3587
		3588	warn "emergency_perl_save: begin write uuid\n";
		3589	write_uuid_sync 1;
		3590	warn "emergency_perl_save: end write uuid\n";
3430	};	3591	};
3431		3592
		3593	warn "emergency_perl_save: starting sync()\n";
		3594	IO::AIO::aio_sync sub {
		3595	warn "emergency_perl_save: finished sync()\n";
		3596	};
		3597
3432	warn "leave emergency perl save\n";	3598	warn "emergency_perl_save: leave\n";
3433	}	3599	}
3434		3600
3435	sub post_cleanup {	3601	sub post_cleanup {
3436	my ($make_core) = @_;	3602	my ($make_core) = @_;
3437		3603
3438	warn Carp::longmess "post_cleanup backtrace"	3604	warn Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3605	if $make_core;
		3606
		3607	my $fh = pidfile;
		3608	unlink $PIDFILE if <$fh> == $$;
		3609	}
		3610
		3611	# a safer delete_package, copied from Symbol
		3612	sub clear_package($) {
		3613	my $pkg = shift;
		3614
		3615	# expand to full symbol table name if needed
		3616	unless ($pkg =~ /^main::.*::$/) {
		3617	$pkg = "main$pkg" if $pkg =~ /^::/;
		3618	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3619	$pkg .= '::' unless $pkg =~ /::$/;
		3620	}
		3621
		3622	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3623	my $stem_symtab = *{$stem}{HASH};
		3624
		3625	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3626	or return;
		3627
		3628	# clear all symbols
		3629	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3630	for my $name (keys %$leaf_symtab) {
		3631	_gv_clear *{"$pkg$name"};
		3632	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3633	}
		3634	warn "cleared package $pkg\n";#d#
3440	}	3635	}
3441		3636
3442	sub do_reload_perl() {	3637	sub do_reload_perl() {
3443	# can/must only be called in main	3638	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3639	if ($Coro::current != $Coro::main) {
3445	warn "can only reload from main coroutine";	3640	warn "can only reload from main coroutine";
3446	return;	3641	return;
3447	}	3642	}
3448		3643
		3644	return if $RELOAD++;
		3645
		3646	my $t1 = EV::time;
		3647
		3648	while ($RELOAD) {
3449	warn "reloading...";	3649	warn "reloading...";
3450		3650
3451	warn "entering sync_job";	3651	warn "entering sync_job";
3452		3652
3453	cf::sync_job {	3653	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark	3654	cf::write_runtime_sync; # external watchdog should not bark
3455	cf::emergency_save;	3655	cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark	3656	cf::write_runtime_sync; # external watchdog should not bark
3457		3657
3458	warn "syncing database to disk";	3658	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;	3659	BDB::db_env_txn_checkpoint $DB_ENV;
3460		3660
3461	# if anything goes wrong in here, we should simply crash as we already saved	3661	# if anything goes wrong in here, we should simply crash as we already saved
3462		3662
3463	warn "flushing outstanding aio requests";	3663	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;	3664	while (IO::AIO::nreqs || BDB::nreqs) {
3469	warn "iterate...";	3665	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470	}
3471
3472	++$RELOAD;
3473
3474	warn "cancelling all extension coros";
3475	$_->cancel for values %EXT_CORO;
3476	%EXT_CORO = ();
3477
3478	warn "removing commands";
3479	%COMMAND = ();
3480
3481	warn "removing ext/exti commands";
3482	%EXTCMD = ();
3483	%EXTICMD = ();
3484
3485	warn "unloading/nuking all extensions";
3486	for my $pkg (@EXTS) {
3487	warn "... unloading $pkg";
3488
3489	if (my $cb = $pkg->can ("unload")) {
3490	eval {
3491	$cb->($pkg);
3492	1
3493	} or warn "$pkg unloaded, but with errors: $@";
3494	}	3666	}
3495		3667
3496	warn "... nuking $pkg";	3668	warn "cancelling all extension coros";
3497	Symbol::delete_package $pkg;	3669	$_->cancel for values %EXT_CORO;
3498	}	3670	%EXT_CORO = ();
3499		3671
3500	warn "unloading all perl modules loaded from $LIBDIR";	3672	warn "removing commands";
3501	while (my ($k, $v) = each %INC) {	3673	%COMMAND = ();
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3674
		3675	warn "removing ext/exti commands";
		3676	%EXTCMD = ();
		3677	%EXTICMD = ();
		3678
		3679	warn "unloading/nuking all extensions";
		3680	for my $pkg (@EXTS) {
3504	warn "... unloading $k";	3681	warn "... unloading $pkg";
3505	delete $INC{$k};
3506		3682
3507	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;
3509
3510	if (my $cb = $k->can ("unload_module")) {	3683	if (my $cb = $pkg->can ("unload")) {
		3684	eval {
3511	$cb->();	3685	$cb->($pkg);
		3686	1
		3687	} or warn "$pkg unloaded, but with errors: $@";
		3688	}
		3689
		3690	warn "... clearing $pkg";
		3691	clear_package $pkg;
3512	}	3692	}
3513		3693
3514	Symbol::delete_package $k;	3694	warn "unloading all perl modules loaded from $LIBDIR";
		3695	while (my ($k, $v) = each %INC) {
		3696	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3697
		3698	warn "... unloading $k";
		3699	delete $INC{$k};
		3700
		3701	$k =~ s/\.pm$//;
		3702	$k =~ s/\//::/g;
		3703
		3704	if (my $cb = $k->can ("unload_module")) {
		3705	$cb->();
		3706	}
		3707
		3708	clear_package $k;
3515	}	3709	}
3516		3710
3517	warn "getting rid of safe::, as good as possible";	3711	warn "getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	3712	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3713	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		3714
3521	warn "unloading cf.pm \"a bit\"";	3715	warn "unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	3716	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	3717	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		3718
3525	# don't, removes xs symbols, too,	3719	# don't, removes xs symbols, too,
3526	# and global variables created in xs	3720	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	3721	#clear_package __PACKAGE__;
3528		3722
3529	warn "unload completed, starting to reload now";	3723	warn "unload completed, starting to reload now";
3530		3724
3531	warn "reloading cf.pm";	3725	warn "reloading cf.pm";
3532	require cf;	3726	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3727	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3534		3728
3535	warn "loading config and database again";	3729	warn "loading config and database again";
3536	cf::reload_config;	3730	cf::reload_config;
3537		3731
3538	warn "loading extensions";	3732	warn "loading extensions";
3539	cf::load_extensions;	3733	cf::load_extensions;
3540		3734
		3735	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	3736	warn "reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	3737	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	3738	warn "reattaching attachments to maps";
3544	reattach $_ for values %MAP;	3739	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	3740	warn "reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	3741	reattach $_ for values %PLAYER;
		3742	}
3547		3743
		3744	warn "running post_init jobs";
		3745	(pop @POST_INIT)->(1) while @POST_INIT;
		3746
3548	warn "leaving sync_job";	3747	warn "leaving sync_job";
3549		3748
3550	1	3749	1
3551	} or do {	3750	} or do {
3552	warn $@;	3751	warn $@;
3553	warn "error while reloading, exiting.";	3752	cf::cleanup "error while reloading, exiting.";
3554	exit 1;
3555	};	3753	};
3556		3754
3557	warn "reloaded";	3755	warn "reloaded";
		3756	--$RELOAD;
		3757	}
		3758
		3759	$t1 = EV::time - $t1;
		3760	warn "reload completed in ${t1}s\n";
3558	};	3761	};
3559		3762
3560	our $RELOAD_WATCHER; # used only during reload	3763	our $RELOAD_WATCHER; # used only during reload
3561		3764
3562	sub reload_perl() {	3765	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	3766	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	3767	# coro crashes during coro_state_free->destroy here.
3565		3768
		3769	$RELOAD_WATCHER ||= cf::async {
		3770	Coro::AIO::aio_wait cache_extensions;
		3771
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3772	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3773	do_reload_perl;
3567	undef $RELOAD_WATCHER;	3774	undef $RELOAD_WATCHER;
3568	do_reload_perl;	3775	};
3569	};	3776	};
3570	}	3777	}
3571		3778
3572	register_command "reload" => sub {	3779	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	3780	my ($who, $arg) = @_;
…		…
3587		3794
3588	our @WAIT_FOR_TICK;	3795	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;	3796	our @WAIT_FOR_TICK_BEGIN;
3590		3797
3591	sub wait_for_tick {	3798	sub wait_for_tick {
3592	return unless $TICK_WATCHER->is_active;
3593	return if $Coro::current == $Coro::main;	3799	return if tick_inhibit || $Coro::current == $Coro::main;
3594		3800
3595	my $signal = new Coro::Signal;	3801	my $signal = new Coro::Signal;
3596	push @WAIT_FOR_TICK, $signal;	3802	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;	3803	$signal->wait;
3598	}	3804	}
3599		3805
3600	sub wait_for_tick_begin {	3806	sub wait_for_tick_begin {
3601	return unless $TICK_WATCHER->is_active;
3602	return if $Coro::current == $Coro::main;	3807	return if tick_inhibit || $Coro::current == $Coro::main;
3603		3808
3604	my $signal = new Coro::Signal;	3809	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	3810	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	3811	$signal->wait;
3607	}	3812	}
3608		3813
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3814	sub tick {
3610	if ($Coro::current != $Coro::main) {	3815	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3816	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	3817	unless ++$bug_warning > 10;
3613	return;	3818	return;
3614	}	3819	}
3615		3820
3616	$NOW = $tick_start = EV::now;
3617
3618	cf::server_tick; # one server iteration	3821	cf::server_tick; # one server iteration
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		3822
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3823	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3824	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	3825	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	3826	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	3827	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	3828	or warn "ERROR: unable to write runtime file: $!";
3629	};	3829	};
3630	}	3830	}
3631		3831
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3832	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3634	}	3834	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	3835	while (my $sig = shift @WAIT_FOR_TICK) {
3636	$sig->send;	3836	$sig->send;
3637	}	3837	}
3638		3838
3639	$LOAD = ($NOW - $tick_start) / $TICK;	3839	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3840	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		3841
3642	_post_tick;	3842	if (0) {
3643	};	3843	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	3844	my $jitter = $TICK_START - $NEXT_TICK;
		3845	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3846	warn "jitter $JITTER\n";#d#
		3847	}
		3848	}
		3849	}
3645		3850
3646	{	3851	{
3647	# configure BDB	3852	# configure BDB
3648		3853
3649	BDB::min_parallel 8;	3854	BDB::min_parallel 8;
3650	BDB::max_poll_reqs $TICK * 0.1;	3855	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	3856	$AnyEvent::BDB::WATCHER->priority (1);
3652		3857
3653	unless ($DB_ENV) {	3858	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	3859	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3860	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	3861	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3862	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3863	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3864	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		3865
3660	cf::sync_job {	3866	cf::sync_job {
3661	eval {	3867	eval {
…		…
3687	{	3893	{
3688	# configure IO::AIO	3894	# configure IO::AIO
3689		3895
3690	IO::AIO::min_parallel 8;	3896	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3897	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	3898	undef $AnyEvent::AIO::WATCHER;
3693	}	3899	}
3694		3900
3695	my $_log_backtrace;	3901	my $_log_backtrace;
3696		3902
3697	sub _log_backtrace {	3903	sub _log_backtrace {
…		…
3700	$msg =~ s/\n//;	3906	$msg =~ s/\n//;
3701		3907
3702	# limit the # of concurrent backtraces	3908	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	3909	if ($_log_backtrace < 2) {
3704	++$_log_backtrace;	3910	++$_log_backtrace;
		3911	my $perl_bt = Carp::longmess $msg;
3705	async {	3912	async {
3706	$Coro::current->{desc} = "abt $msg";	3913	$Coro::current->{desc} = "abt $msg";
3707		3914
3708	my @bt = fork_call {	3915	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	3916	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	3927	}
3721		3928
3722	@funcs	3929	@funcs
3723	};	3930	};
3724		3931
3725	LOG llevInfo, "[ABT] $msg\n";	3932	LOG llevInfo, "[ABT] $perl_bt\n";
		3933	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	3934	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	3935	--$_log_backtrace;
3728	};	3936	};
3729	} else {	3937	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	3939	LOG llevInfo, "[ABT] [suppressed]\n";
3732	}	3940	}
3733	}	3941	}
3734		3942
3735	# load additional modules	3943	# load additional modules
3736	use cf::pod;	3944	require "cf/$_.pm" for @EXTRA_MODULES;
3737		3945
3738	END { cf::emergency_save }	3946	END { cf::emergency_save }
3739		3947
3740	1	3948	1
3741		3949

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