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Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 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 $cf::USE_FSYNC;	1156	if ($cf::USE_FSYNC) {
		1157	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1158	aio_fsync $fh;
		1159	}
1098	close $fh;	1160	aio_close $fh;
1099		1161
1100	if (@$objs) {	1162	if (@$objs) {
1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1102	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1104	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
1105	aio_fsync $fh if $cf::USE_FSYNC;	1167	if ($cf::USE_FSYNC) {
		1168	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1169	aio_fsync $fh;
		1170	}
1106	close $fh;	1171	aio_close $fh;
1107	aio_rename "$filename.pst~", "$filename.pst";	1172	aio_rename "$filename.pst~", "$filename.pst";
1108	}	1173	}
1109	} else {	1174	} else {
1110	aio_unlink "$filename.pst";	1175	aio_unlink "$filename.pst";
1111	}	1176	}
1112		1177
1113	aio_rename "$filename~", $filename;	1178	aio_rename "$filename~", $filename;
		1179
		1180	$filename =~ s%/[^/]+$%%;
		1181	aio_pathsync $filename if $cf::USE_FSYNC;
1114	} else {	1182	} else {
1115	warn "FATAL: $filename~: $!\n";	1183	warn "unable to save objects: $filename~: $!\n";
1116	}	1184	}
1117	} else {	1185	} else {
1118	aio_unlink $filename;	1186	aio_unlink $filename;
1119	aio_unlink "$filename.pst";	1187	aio_unlink "$filename.pst";
1120	}	1188	}
…		…
1211	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
1212		1280
1213	$EXTICMD{$name} = $cb;	1281	$EXTICMD{$name} = $cb;
1214	}	1282	}
1215		1283
		1284	use File::Glob ();
		1285
1216	cf::player->attach (	1286	cf::player->attach (
1217	on_command => sub {	1287	on_command => sub {
1218	my ($pl, $name, $params) = @_;	1288	my ($pl, $name, $params) = @_;
1219		1289
1220	my $cb = $COMMAND{$name}	1290	my $cb = $COMMAND{$name}
…		…
1252		1322
1253	cf::override;	1323	cf::override;
1254	},	1324	},
1255	);	1325	);
1256		1326
		1327	# "readahead" all extensions
		1328	sub cache_extensions {
		1329	my $grp = IO::AIO::aio_group;
		1330
		1331	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1332	for (grep /\.ext$/, @{$_[0]}) {
		1333	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1334	}
		1335	};
		1336
		1337	$grp
		1338	}
		1339
1257	sub load_extensions {	1340	sub load_extensions {
1258	cf::sync_job {	1341	cf::sync_job {
1259	my %todo;	1342	my %todo;
1260		1343
1261	for my $path (<$LIBDIR/*.ext>) {	1344	for my $path (<$LIBDIR/*.ext>) {
…		…
1280		1363
1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1364	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1365	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283		1366
1284	$ext{source} =	1367	$ext{source} =
1285	"package $pkg; use strict; use utf8;\n"	1368	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1286	. "#line 1 \"$path\"\n{\n"	1369	. "#line 1 \"$path\"\n{\n"
1287	. $source	1370	. $source
1288	. "\n};\n1";	1371	. "\n};\n1";
1289		1372
1290	$todo{$base} = \%ext;	1373	$todo{$base} = \%ext;
…		…
1306	my $msg = $@ ? "$v->{path}: $@\n"	1389	my $msg = $@ ? "$v->{path}: $@\n"
1307	: "$v->{base}: extension inactive.\n";	1390	: "$v->{base}: extension inactive.\n";
1308		1391
1309	if (exists $v->{meta}{mandatory}) {	1392	if (exists $v->{meta}{mandatory}) {
1310	warn $msg;	1393	warn $msg;
1311	warn "mandatory extension failed to load, exiting.\n";	1394	cf::cleanup "mandatory extension failed to load, exiting.";
1312	exit 1;
1313	}	1395	}
1314		1396
1315	warn $msg;	1397	warn $msg;
1316	}	1398	}
1317		1399
…		…
1331		1413
1332	=back	1414	=back
1333		1415
1334	=head2 CORE EXTENSIONS	1416	=head2 CORE EXTENSIONS
1335		1417
1336	Functions and methods that extend core crossfire objects.	1418	Functions and methods that extend core deliantra objects.
1337		1419
1338	=cut	1420	=cut
1339		1421
1340	package cf::player;	1422	package cf::player;
1341		1423
…		…
1384		1466
1385	sub exists($) {	1467	sub exists($) {
1386	my ($login) = @_;	1468	my ($login) = @_;
1387		1469
1388	$cf::PLAYER{$login}	1470	$cf::PLAYER{$login}
1389	or cf::sync_job { !aio_stat path $login }	1471	or !aio_stat path $login
1390	}	1472	}
1391		1473
1392	sub find($) {	1474	sub find($) {
1393	return $cf::PLAYER{$_[0]} || do {	1475	return $cf::PLAYER{$_[0]} || do {
1394	my $login = $_[0];	1476	my $login = $_[0];
…		…
1406	my $f = new_from_file cf::object::thawer path $login	1488	my $f = new_from_file cf::object::thawer path $login
1407	or return;	1489	or return;
1408		1490
1409	my $pl = cf::player::load_pl $f	1491	my $pl = cf::player::load_pl $f
1410	or return;	1492	or return;
		1493
1411	local $cf::PLAYER_LOADING{$login} = $pl;	1494	local $cf::PLAYER_LOADING{$login} = $pl;
1412	$f->resolve_delayed_derefs;	1495	$f->resolve_delayed_derefs;
1413	$cf::PLAYER{$login} = $pl	1496	$cf::PLAYER{$login} = $pl
1414	}	1497	}
1415	}	1498	}
…		…
1425		1508
1426	return if $pl->{deny_save};	1509	return if $pl->{deny_save};
1427		1510
1428	aio_mkdir playerdir $pl, 0770;	1511	aio_mkdir playerdir $pl, 0770;
1429	$pl->{last_save} = $cf::RUNTIME;	1512	$pl->{last_save} = $cf::RUNTIME;
		1513
		1514	cf::get_slot 0.01;
1430		1515
1431	$pl->save_pl ($path);	1516	$pl->save_pl ($path);
1432	cf::cede_to_tick;	1517	cf::cede_to_tick;
1433	}	1518	}
1434		1519
…		…
1466	my ($pl) = @_;	1551	my ($pl) = @_;
1467		1552
1468	my $name = $pl->ob->name;	1553	my $name = $pl->ob->name;
1469		1554
1470	$pl->{deny_save} = 1;	1555	$pl->{deny_save} = 1;
1471	$pl->password ("*"); # this should lock out the player until we nuked the dir	1556	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1472		1557
1473	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1558	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1474	$pl->deactivate;	1559	$pl->deactivate;
		1560	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1561	$pl->ob->check_score;
1475	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1562	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1476	$pl->ns->destroy if $pl->ns;	1563	$pl->ns->destroy if $pl->ns;
1477		1564
1478	my $path = playerdir $pl;	1565	my $path = playerdir $pl;
1479	my $temp = "$path~$cf::RUNTIME~deleting~";	1566	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1518		1605
1519	for my $login (@$dirs) {	1606	for my $login (@$dirs) {
1520	my $path = path $login;	1607	my $path = path $login;
1521		1608
1522	# a .pst is a dead give-away for a valid player	1609	# a .pst is a dead give-away for a valid player
1523	unless (-e "$path.pst") {	1610	# if no pst file found, open and chekc for blocked users
		1611	if (aio_stat "$path.pst") {
1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1612	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1525	aio_read $fh, 0, 512, my $buf, 0 or next;	1613	aio_read $fh, 0, 512, my $buf, 0 or next;
1526	$buf !~ /^password -------------$/m or next; # official not-valid tag	1614	$buf !~ /^password -------------$/m or next; # official not-valid tag
1527	}	1615	}
1528		1616
…		…
1559	}	1647	}
1560		1648
1561	\@paths	1649	\@paths
1562	}	1650	}
1563		1651
1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1652	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1565		1653
1566	Expand crossfire pod fragments into protocol xml.	1654	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		1655
1657	=item $player->ext_reply ($msgid, @msg)	1656	=item $player->ext_reply ($msgid, @msg)
1658		1657
1659	Sends an ext reply to the player.	1658	Sends an ext reply to the player.
1660		1659
…		…
1727	our $MAX_RESET = 3600;	1726	our $MAX_RESET = 3600;
1728	our $DEFAULT_RESET = 3000;	1727	our $DEFAULT_RESET = 3000;
1729		1728
1730	sub generate_random_map {	1729	sub generate_random_map {
1731	my ($self, $rmp) = @_;	1730	my ($self, $rmp) = @_;
		1731
		1732	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1733
1732	# mit "rum" bekleckern, nicht	1734	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	1735	$self->_create_random_map (
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1736	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1737	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1738	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1858		1860
1859	# the temporary/swap location	1861	# the temporary/swap location
1860	sub save_path {	1862	sub save_path {
1861	my ($self) = @_;	1863	my ($self) = @_;
1862		1864
1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1865	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1864	"$TMPDIR/$path.map"	1866	"$TMPDIR/$path.map"
1865	}	1867	}
1866		1868
1867	# the unique path, undef == no special unique path	1869	# the unique path, undef == no special unique path
1868	sub uniq_path {	1870	sub uniq_path {
1869	my ($self) = @_;	1871	my ($self) = @_;
1870		1872
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	1874	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1882	}	1875	}
1883		1876
1884	sub decay_objects {	1877	sub decay_objects {
1885	my ($self) = @_;	1878	my ($self) = @_;
1886		1879
…		…
1970	sub find {	1963	sub find {
1971	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1972		1965
1973	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1974		1967
1975	cf::lock_wait "map_data:$path";#d#remove	1968	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	1969	my $guard2 = cf::lock_acquire "map_find:$path";
1977		1970
1978	$cf::MAP{$path} || do {	1971	$cf::MAP{$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	1972	my $map = new_from_path cf::map $path
1983	or return;	1973	or return;
1984		1974
1985	$map->{last_save} = $cf::RUNTIME;	1975	$map->{last_save} = $cf::RUNTIME;
1986		1976
…		…
1988	or return;	1978	or return;
1989		1979
1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1980	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1991	# doing this can freeze the server in a sync job, obviously	1981	# doing this can freeze the server in a sync job, obviously
1992	#$cf::WAIT_FOR_TICK->wait;	1982	#$cf::WAIT_FOR_TICK->wait;
		1983	undef $guard2;
1993	undef $guard1;	1984	undef $guard1;
1994	undef $guard2;
1995	$map->reset;	1985	$map->reset;
1996	return find $path;	1986	return find $path;
1997	}	1987	}
1998		1988
1999	$cf::MAP{$path} = $map	1989	$cf::MAP{$path} = $map
…		…
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2016	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2017	$f->skip_block;
2028	$self->_load_objects ($f)	2018	$self->_load_objects ($f)
2029	or return;	2019	or return;
2030		2020
2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2021	$self->post_load_original
2032	if delete $self->{load_original};	2022	if delete $self->{load_original};
2033		2023
2034	if (my $uniq = $self->uniq_path) {	2024	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2025	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2026	unless (aio_stat $uniq) {
…		…
2054	unless ($self->{deny_activate}) {	2044	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2045	$self->decay_objects;
2056	$self->fix_auto_apply;	2046	$self->fix_auto_apply;
2057	$self->update_buttons;	2047	$self->update_buttons;
2058	cf::cede_to_tick;	2048	cf::cede_to_tick;
2059	$self->set_darkness_map;
2060	cf::cede_to_tick;
2061	$self->activate;	2049	$self->activate;
2062	}	2050	}
2063		2051
2064	$self->{last_save} = $cf::RUNTIME;	2052	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2053	$self->last_access ($cf::RUNTIME);
2066		2054
2067	$self->in_memory (cf::MAP_IN_MEMORY);	2055	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2056	}
2069		2057
2070	$self->post_load;	2058	$self->post_load;
2071	}	2059	}
2072		2060
…		…
2130	my ($path, $origin, $load) = @_;	2118	my ($path, $origin, $load) = @_;
2131		2119
2132	$path = normalise $path, $origin && $origin->{path};	2120	$path = normalise $path, $origin && $origin->{path};
2133		2121
2134	if (my $map = $cf::MAP{$path}) {	2122	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2123	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2136	}	2124	}
2137		2125
2138	$MAP_PREFETCH{$path} |= $load;	2126	$MAP_PREFETCH{$path} |= $load;
2139		2127
2140	$MAP_PREFETCHER ||= cf::async {	2128	$MAP_PREFETCHER ||= cf::async {
…		…
2177	cf::async {	2165	cf::async {
2178	$Coro::current->{desc} = "map player save";	2166	$Coro::current->{desc} = "map player save";
2179	$_->contr->save for $self->players;	2167	$_->contr->save for $self->players;
2180	};	2168	};
2181		2169
		2170	cf::get_slot 0.02;
		2171
2182	if ($uniq) {	2172	if ($uniq) {
2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2173	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2174	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2185	} else {	2175	} else {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2176	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2194	$self->save;	2184	$self->save;
2195		2185
2196	my $lock = cf::lock_acquire "map_data:$self->{path}";	2186	my $lock = cf::lock_acquire "map_data:$self->{path}";
2197		2187
2198	return if $self->players;	2188	return if $self->players;
2199	return if $self->in_memory != cf::MAP_IN_MEMORY;	2189	return if $self->in_memory != cf::MAP_ACTIVE;
2200	return if $self->{deny_save};	2190	return if $self->{deny_save};
2201		2191
2202	$self->in_memory (cf::MAP_SWAPPED);	2192	$self->in_memory (cf::MAP_SWAPPED);
2203		2193
2204	$self->deactivate;	2194	$self->deactivate;
…		…
2322		2312
2323	sub unique_maps() {	2313	sub unique_maps() {
2324	[	2314	[
2325	map {	2315	map {
2326	utf8::decode $_;	2316	utf8::decode $_;
2327	/\.map$/	2317	s/\.map$//; # TODO future compatibility hack
		2318	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2319	? ()
2328	? normalise $_	2320	: normalise $_
2329	: ()
2330	} @{ aio_readdir $UNIQUEDIR or [] }	2321	} @{ aio_readdir $UNIQUEDIR or [] }
2331	]	2322	]
2332	}	2323	}
2333		2324
2334	package cf;
2335
2336	=back	2325	=back
2337		2326
2338	=head3 cf::object	2327	=head3 cf::object
2339		2328
2340	=cut	2329	=cut
…		…
2343		2332
2344	=over 4	2333	=over 4
2345		2334
2346	=item $ob->inv_recursive	2335	=item $ob->inv_recursive
2347		2336
2348	Returns the inventory of the object _and_ their inventories, recursively.	2337	Returns the inventory of the object I<and> their inventories, recursively,
		2338	but I<not> the object itself.
2349		2339
2350	=cut	2340	=cut
2351		2341
2352	sub inv_recursive_;	2342	sub inv_recursive_;
2353	sub inv_recursive_ {	2343	sub inv_recursive_ {
…		…
2358	inv_recursive_ inv $_[0]	2348	inv_recursive_ inv $_[0]
2359	}	2349	}
2360		2350
2361	=item $ref = $ob->ref	2351	=item $ref = $ob->ref
2362		2352
2363	creates and returns a persistent reference to an objetc that can be stored as a string.	2353	Creates and returns a persistent reference to an object that can be stored as a string.
2364		2354
2365	=item $ob = cf::object::deref ($refstring)	2355	=item $ob = cf::object::deref ($refstring)
2366		2356
2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2357	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368	even if the object actually exists. May block.	2358	even if the object actually exists. May block.
…		…
2400	can be C<undef>. Does the right thing when the player is currently in a	2390	can be C<undef>. Does the right thing when the player is currently in a
2401	dialogue with the given NPC character.	2391	dialogue with the given NPC character.
2402		2392
2403	=cut	2393	=cut
2404		2394
		2395	our $SAY_CHANNEL = {
		2396	id => "say",
		2397	title => "Map",
		2398	reply => "say ",
		2399	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2400	};
		2401
		2402	our $CHAT_CHANNEL = {
		2403	id => "chat",
		2404	title => "Chat",
		2405	reply => "chat ",
		2406	tooltip => "Player chat and shouts, global to the server.",
		2407	};
		2408
2405	# rough implementation of a future "reply" method that works	2409	# rough implementation of a future "reply" method that works
2406	# with dialog boxes.	2410	# with dialog boxes.
2407	#TODO: the first argument must go, split into a $npc->reply_to ( method	2411	#TODO: the first argument must go, split into a $npc->reply_to ( method
2408	sub cf::object::player::reply($$$;$) {	2412	sub cf::object::player::reply($$$;$) {
2409	my ($self, $npc, $msg, $flags) = @_;	2413	my ($self, $npc, $msg, $flags) = @_;
…		…
2420	my $dialog = $pl->{npc_dialog};	2424	my $dialog = $pl->{npc_dialog};
2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2425	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422		2426
2423	} else {	2427	} else {
2424	$msg = $npc->name . " says: $msg" if $npc;	2428	$msg = $npc->name . " says: $msg" if $npc;
2425	$self->message ($msg, $flags);	2429	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2426	}	2430	}
2427	}	2431	}
2428	}	2432	}
2429		2433
2430	=item $object->send_msg ($channel, $msg, $color, [extra...])	2434	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2455		2459
2456	=item $player_object->enter_link	2460	=item $player_object->enter_link
2457		2461
2458	Freezes the player and moves him/her to a special map (C<{link}>).	2462	Freezes the player and moves him/her to a special map (C<{link}>).
2459		2463
2460	The player should be reasonably safe there for short amounts of time. You	2464	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.	2465	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2466	though, as the palyer cannot control the character while it is on the link
		2467	map.
2462		2468
2463	Will never block.	2469	Will never block.
2464		2470
2465	=item $player_object->leave_link ($map, $x, $y)	2471	=item $player_object->leave_link ($map, $x, $y)
2466		2472
…		…
2524		2530
2525	$map->load;	2531	$map->load;
2526	$map->load_neighbours;	2532	$map->load_neighbours;
2527		2533
2528	return unless $self->contr->active;	2534	return unless $self->contr->active;
		2535	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2529	$self->activate_recursive;	2536	$self->activate_recursive;
2530		2537
2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2538	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2532	$self->enter_map ($map, $x, $y);	2539	$self->enter_map ($map, $x, $y);
2533	}	2540	}
…		…
2537	Moves the player to the given map-path and coordinates by first freezing	2544	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	2545	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	2546	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	2547	the new (success) or old (failed) map position. In either case, $done will
2541	be called at the end of this process.	2548	be called at the end of this process.
		2549
		2550	Note that $check will be called with a potentially non-loaded map, so if
		2551	it needs a loaded map it has to call C<< ->load >>.
2542		2552
2543	=cut	2553	=cut
2544		2554
2545	our $GOTOGEN;	2555	our $GOTOGEN;
2546		2556
…		…
2625	}	2635	}
2626		2636
2627	sub prepare_random_map {	2637	sub prepare_random_map {
2628	my ($exit) = @_;	2638	my ($exit) = @_;
2629		2639
2630	my $guard = cf::lock_acquire "exit_prepare:$exit";
2631
2632	# all this does is basically replace the /! path by	2640	# all this does is basically replace the /! path by
2633	# a new random map path (?random/...) with a seed	2641	# a new random map path (?random/...) with a seed
2634	# that depends on the exit object	2642	# that depends on the exit object
2635		2643
2636	my $rmp = parse_random_map_params $exit->msg;	2644	my $rmp = parse_random_map_params $exit->msg;
…		…
2638	if ($exit->map) {	2646	if ($exit->map) {
2639	$rmp->{region} = $exit->region->name;	2647	$rmp->{region} = $exit->region->name;
2640	$rmp->{origin_map} = $exit->map->path;	2648	$rmp->{origin_map} = $exit->map->path;
2641	$rmp->{origin_x} = $exit->x;	2649	$rmp->{origin_x} = $exit->x;
2642	$rmp->{origin_y} = $exit->y;	2650	$rmp->{origin_y} = $exit->y;
		2651
		2652	$exit->map->touch;
2643	}	2653	}
2644		2654
2645	$rmp->{random_seed} ||= $exit->random_seed;	2655	$rmp->{random_seed} ||= $exit->random_seed;
2646		2656
2647	my $data = cf::encode_json $rmp;	2657	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2648	my $md5 = Digest::MD5::md5_hex $data;	2658	my $md5 = Digest::MD5::md5_hex $data;
2649	my $meta = "$RANDOMDIR/$md5.meta";	2659	my $meta = "$RANDOMDIR/$md5.meta";
2650		2660
2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2652	aio_write $fh, 0, (length $data), $data, 0;	2662	aio_write $fh, 0, (length $data), $data, 0;
2653	undef $fh;	2663	undef $fh;
2654	aio_rename "$meta~", $meta;	2664	aio_rename "$meta~", $meta;
2655		2665
		2666	my $slaying = "?random/$md5";
		2667
		2668	if ($exit->valid) {
2656	$exit->slaying ("?random/$md5");	2669	$exit->slaying ("?random/$md5");
2657	$exit->msg (undef);	2670	$exit->msg (undef);
		2671	}
2658	}	2672	}
2659	}	2673	}
2660		2674
2661	sub cf::object::player::enter_exit {	2675	sub cf::object::player::enter_exit {
2662	my ($self, $exit) = @_;	2676	my ($self, $exit) = @_;
2663		2677
2664	return unless $self->type == cf::PLAYER;	2678	return unless $self->type == cf::PLAYER;
2665		2679
2666	if ($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;	2680	$self->enter_link;
2678		2681
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 {	2682	(async {
2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2683	$Coro::current->{desc} = "enter_exit";
2685		2684
2686	$self->deactivate_recursive; # just to be sure
2687	unless (eval {	2685	unless (eval {
		2686	$self->deactivate_recursive; # just to be sure
		2687
		2688	# random map handling
		2689	{
		2690	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2691
		2692	prepare_random_map $exit
		2693	if $exit->slaying eq "/!";
		2694	}
		2695
		2696	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2697	my $x = $exit->stats->hp;
		2698	my $y = $exit->stats->sp;
		2699
2688	$self->goto ($slaying, $hp, $sp);	2700	$self->goto ($map, $x, $y);
2689		2701
		2702	# if exit is damned, update players death & WoR home-position
		2703	$self->contr->savebed ($map, $x, $y)
		2704	if $exit->flag (cf::FLAG_DAMNED);
		2705
2690	1;	2706	1
2691	}) {	2707	}) {
2692	$self->message ("Something went wrong deep within the crossfire server. "	2708	$self->message ("Something went wrong deep within the deliantra server. "
2693	. "I'll try to bring you back to the map you were before. "	2709	. "I'll try to bring you back to the map you were before. "
2694	. "Please report this to the dungeon master!",	2710	. "Please report this to the dungeon master!",
2695	cf::NDI_UNIQUE | cf::NDI_RED);	2711	cf::NDI_UNIQUE | cf::NDI_RED);
2696		2712
2697	warn "ERROR in enter_exit: $@";	2713	warn "ERROR in enter_exit: $@";
…		…
2763	id => "infobox",	2779	id => "infobox",
2764	title => "Body Parts",	2780	title => "Body Parts",
2765	reply => undef,	2781	reply => undef,
2766	tooltip => "Shows which body parts you posess and are available",	2782	tooltip => "Shows which body parts you posess and are available",
2767	},	2783	},
		2784	"c/statistics" => {
		2785	id => "infobox",
		2786	title => "Statistics",
		2787	reply => undef,
		2788	tooltip => "Shows your primary statistics",
		2789	},
		2790	"c/skills" => {
		2791	id => "infobox",
		2792	title => "Skills",
		2793	reply => undef,
		2794	tooltip => "Shows your experience per skill and item power",
		2795	},
		2796	"c/shopitems" => {
		2797	id => "infobox",
		2798	title => "Shop Items",
		2799	reply => undef,
		2800	tooltip => "Shows the items currently for sale in this shop",
		2801	},
		2802	"c/resistances" => {
		2803	id => "infobox",
		2804	title => "Resistances",
		2805	reply => undef,
		2806	tooltip => "Shows your resistances",
		2807	},
		2808	"c/pets" => {
		2809	id => "infobox",
		2810	title => "Pets",
		2811	reply => undef,
		2812	tooltip => "Shows information abotu your pets/a specific pet",
		2813	},
		2814	"c/perceiveself" => {
		2815	id => "infobox",
		2816	title => "Perceive Self",
		2817	reply => undef,
		2818	tooltip => "You gained detailed knowledge about yourself",
		2819	},
2768	"c/uptime" => {	2820	"c/uptime" => {
2769	id => "infobox",	2821	id => "infobox",
2770	title => "Uptime",	2822	title => "Uptime",
2771	reply => undef,	2823	reply => undef,
2772	tooltip => "How long the server has been running since last restart",	2824	tooltip => "How long the server has been running since last restart",
…		…
2775	id => "infobox",	2827	id => "infobox",
2776	title => "Map Info",	2828	title => "Map Info",
2777	reply => undef,	2829	reply => undef,
2778	tooltip => "Information related to the maps",	2830	tooltip => "Information related to the maps",
2779	},	2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	"c/death" => {
		2839	id => "death",
		2840	title => "Death",
		2841	reply => undef,
		2842	tooltip => "Reason for and more info about your most recent death",
		2843	},
		2844	"c/say" => $SAY_CHANNEL,
		2845	"c/chat" => $CHAT_CHANNEL,
2780	);	2846	);
2781		2847
2782	sub cf::client::send_msg {	2848	sub cf::client::send_msg {
2783	my ($self, $channel, $msg, $color, @extra) = @_;	2849	my ($self, $channel, $msg, $color, @extra) = @_;
2784		2850
2785	$msg = $self->pl->expand_cfpod ($msg);	2851	$msg = $self->pl->expand_cfpod ($msg)
		2852	unless $color & cf::NDI_VERBATIM;
2786		2853
2787	$color &= cf::NDI_CLIENT_MASK; # just in case...	2854	$color &= cf::NDI_CLIENT_MASK; # just in case...
2788		2855
2789	# check predefined channels, for the benefit of C	2856	# check predefined channels, for the benefit of C
2790	if ($CHANNEL{$channel}) {	2857	if ($CHANNEL{$channel}) {
2791	$channel = $CHANNEL{$channel};	2858	$channel = $CHANNEL{$channel};
2792		2859
2793	$self->ext_msg (channel_info => $channel)	2860	$self->ext_msg (channel_info => $channel);
2794	if $self->can_msg;
2795
2796	$channel = $channel->{id};	2861	$channel = $channel->{id};
2797		2862
2798	} elsif (ref $channel) {	2863	} elsif (ref $channel) {
2799	# send meta info to client, if not yet sent	2864	# send meta info to client, if not yet sent
2800	unless (exists $self->{channel}{$channel->{id}}) {	2865	unless (exists $self->{channel}{$channel->{id}}) {
2801	$self->{channel}{$channel->{id}} = $channel;	2866	$self->{channel}{$channel->{id}} = $channel;
2802	$self->ext_msg (channel_info => $channel)	2867	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804	}	2868	}
2805		2869
2806	$channel = $channel->{id};	2870	$channel = $channel->{id};
2807	}	2871	}
2808		2872
2809	return unless @extra || length $msg;	2873	return unless @extra || length $msg;
2810		2874
2811	if ($self->can_msg) {
2812	# default colour, mask it out	2875	# default colour, mask it out
2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814	if $color & cf::NDI_DEF;	2877	if $color & cf::NDI_DEF;
2815		2878
2816	$self->send_packet ("msg " . $self->{json_coder}->encode (	2879	my $pkt = "msg "
		2880	. $self->{json_coder}->encode (
2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2881	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2818	} else {	2882	);
2819	if ($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		2883
2830	$color &= cf::NDI_COLOR_MASK;	2884	# try lzf for large packets
		2885	$pkt = "lzf " . Compress::LZF::compress $pkt
		2886	if 1024 <= length $pkt and $self->{can_lzf};
2831		2887
2832	utf8::encode $msg;	2888	# split very large packets
2833		2889	if (8192 < length $pkt and $self->{can_lzf}) {
2834	if (0 && $msg =~ /\[/) {	2890	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2835	# COMMAND/INFO	2891	$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	}	2892	}
		2893
		2894	$self->send_packet ($pkt);
2843	}	2895	}
2844		2896
2845	=item $client->ext_msg ($type, @msg)	2897	=item $client->ext_msg ($type, @msg)
2846		2898
2847	Sends an ext event to the client.	2899	Sends an ext event to the client.
…		…
3021		3073
3022	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
3023		3075
3024	cf::object	3076	cf::object
3025	contr pay_amount pay_player map x y force_find force_add destroy	3077	contr pay_amount pay_player map x y force_find force_add destroy
3026	insert remove name archname title slaying race decrease_ob_nr	3078	insert remove name archname title slaying race decrease split
		3079	value
3027		3080
3028	cf::object::player	3081	cf::object::player
3029	player	3082	player
3030		3083
3031	cf::player	3084	cf::player
…		…
3036		3089
3037	=cut	3090	=cut
3038		3091
3039	for (	3092	for (
3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3093	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041	insert remove inv name archname title slaying race	3094	insert remove inv nrof name archname title slaying race
3042	decrease_ob_nr destroy)],	3095	decrease split destroy change_exp value msg lore send_msg)],
3043	["cf::object::player" => qw(player)],	3096	["cf::object::player" => qw(player)],
3044	["cf::player" => qw(peaceful)],	3097	["cf::player" => qw(peaceful send_msg)],
3045	["cf::map" => qw(trigger)],	3098	["cf::map" => qw(trigger)],
3046	) {	3099	) {
3047	no strict 'refs';	3100	no strict 'refs';
3048	my ($pkg, @funs) = @$_;	3101	my ($pkg, @funs) = @$_;
3049	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3102	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3066	my ($code, %vars) = @_;	3119	my ($code, %vars) = @_;
3067		3120
3068	my $qcode = $code;	3121	my $qcode = $code;
3069	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3122	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3070	$qcode =~ s/\n/\\n/g;	3123	$qcode =~ s/\n/\\n/g;
		3124
		3125	%vars = (_dummy => 0) unless %vars;
3071		3126
3072	local $_;	3127	local $_;
3073	local @safe::cf::_safe_eval_args = values %vars;	3128	local @safe::cf::_safe_eval_args = values %vars;
3074		3129
3075	my $eval =	3130	my $eval =
…		…
3255	while (my ($k, $v) = each %$want) {	3310	while (my ($k, $v) = each %$want) {
3256	$ns->fx_want ($k, $v);	3311	$ns->fx_want ($k, $v);
3257	}	3312	}
3258	};	3313	};
3259		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
3260	sub reload_regions {	3325	sub reload_regions {
3261	# HACK to clear player env face cache, we need some signal framework	3326	# HACK to clear player env face cache, we need some signal framework
3262	# for this (global event?)	3327	# for this (global event?)
3263	%ext::player_env::MUSIC_FACE_CACHE = ();	3328	%ext::player_env::MUSIC_FACE_CACHE = ();
3264		3329
…		…
3277	}	3342	}
3278		3343
3279	sub reload_archetypes {	3344	sub reload_archetypes {
3280	load_resource_file "$DATADIR/archetypes"	3345	load_resource_file "$DATADIR/archetypes"
3281	or die "unable to load archetypes\n";	3346	or die "unable to load archetypes\n";
3282	#d# NEED to laod twice to resolve forward references
3283	# this really needs to be done in an extra post-pass
3284	# (which needs to be synchronous, so solve it differently)
3285	load_resource_file "$DATADIR/archetypes"
3286	or die "unable to load archetypes\n";
3287	}	3347	}
3288		3348
3289	sub reload_treasures {	3349	sub reload_treasures {
3290	load_resource_file "$DATADIR/treasures"	3350	load_resource_file "$DATADIR/treasures"
3291	or die "unable to load treasurelists\n";	3351	or die "unable to load treasurelists\n";
3292	}	3352	}
3293		3353
3294	sub reload_resources {	3354	sub reload_resources {
3295	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
3296		3356
		3357	reload_facedata;
		3358	reload_archetypes;
3297	reload_regions;	3359	reload_regions;
3298	reload_facedata;
3299	#reload_archetypes;#d#
3300	reload_archetypes;
3301	reload_treasures;	3360	reload_treasures;
3302		3361
3303	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
3304	}
3305
3306	sub init {
3307	reload_resources;
3308	}	3363	}
3309		3364
3310	sub reload_config {	3365	sub reload_config {
3311	open my $fh, "<:utf8", "$CONFDIR/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
3312	or return;	3367	or return;
…		…
3326	};	3381	};
3327	warn $@ if $@;	3382	warn $@ if $@;
3328	}	3383	}
3329	}	3384	}
3330		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
3331	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417
		3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419
3332	# we must not ever block the main coroutine	3420	# we must not ever block the main coroutine
3333	local $Coro::idle = sub {	3421	local $Coro::idle = sub {
3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3422	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3335	(async {	3423	(async {
3336	$Coro::current->{desc} = "IDLE BUG HANDLER";	3424	$Coro::current->{desc} = "IDLE BUG HANDLER";
3337	EV::loop EV::LOOP_ONESHOT;	3425	EV::loop EV::LOOP_ONESHOT;
3338	})->prio (Coro::PRIO_MAX);	3426	})->prio (Coro::PRIO_MAX);
3339	};	3427	};
3340		3428
		3429	evthread_start IO::AIO::poll_fileno;
		3430
		3431	cf::sync_job {
		3432	reload_resources;
3341	reload_config;	3433	reload_config;
3342	db_init;	3434	db_init;
		3435
		3436	cf::load_settings;
		3437	cf::load_materials;
		3438	cf::init_uuid;
		3439	cf::init_signals;
		3440	cf::init_commands;
		3441	cf::init_skills;
		3442
		3443	cf::init_beforeplay;
		3444
		3445	atomic;
		3446
3343	load_extensions;	3447	load_extensions;
3344		3448
3345	$TICK_WATCHER->start;	3449	utime time, time, $RUNTIMEFILE;
3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3450
		3451	# no (long-running) fork's whatsoever before this point(!)
		3452	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3453
		3454	(pop @POST_INIT)->(0) while @POST_INIT;
		3455	};
		3456
3347	EV::loop;	3457	EV::loop;
3348	}	3458	}
3349		3459
3350	#############################################################################	3460	#############################################################################
3351	# initialisation and cleanup	3461	# initialisation and cleanup
…		…
3358	cf::cleanup "SIG$signal";	3468	cf::cleanup "SIG$signal";
3359	};	3469	};
3360	}	3470	}
3361	}	3471	}
3362		3472
3363	sub write_runtime {	3473	sub write_runtime_sync {
3364	my $runtime = "$LOCALDIR/runtime";
3365
3366	# first touch the runtime file to show we are still running:	3474	# first touch the runtime file to show we are still running:
3367	# the fsync below can take a very very long time.	3475	# the fsync below can take a very very long time.
3368		3476
3369	IO::AIO::aio_utime $runtime, undef, undef;	3477	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3370		3478
3371	my $guard = cf::lock_acquire "write_runtime";	3479	my $guard = cf::lock_acquire "write_runtime";
3372		3480
3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3481	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3374	or return;	3482	or return;
3375		3483
3376	my $value = $cf::RUNTIME + 90 + 10;	3484	my $value = $cf::RUNTIME + 90 + 10;
3377	# 10 is the runtime save interval, for a monotonic clock	3485	# 10 is the runtime save interval, for a monotonic clock
3378	# 60 allows for the watchdog to kill the server.	3486	# 60 allows for the watchdog to kill the server.
…		…
3388	aio_utime $fh, undef, undef;	3496	aio_utime $fh, undef, undef;
3389		3497
3390	close $fh	3498	close $fh
3391	or return;	3499	or return;
3392		3500
3393	aio_rename "$runtime~", $runtime	3501	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3394	and return;	3502	and return;
3395		3503
3396	warn "runtime file written.\n";	3504	warn "runtime file written.\n";
3397		3505
3398	1	3506	1
		3507	}
		3508
		3509	our $uuid_lock;
		3510	our $uuid_skip;
		3511
		3512	sub write_uuid_sync($) {
		3513	$uuid_skip ||= $_[0];
		3514
		3515	return if $uuid_lock;
		3516	local $uuid_lock = 1;
		3517
		3518	my $uuid = "$LOCALDIR/uuid";
		3519
		3520	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3521	or return;
		3522
		3523	my $value = uuid_seq uuid_cur;
		3524
		3525	unless ($value) {
		3526	warn "cowardly refusing to write zero uuid value!\n";
		3527	return;
		3528	}
		3529
		3530	my $value = uuid_str $value + $uuid_skip;
		3531	$uuid_skip = 0;
		3532
		3533	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3534	and return;
		3535
		3536	# always fsync - this file is important
		3537	aio_fsync $fh
		3538	and return;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$uuid~", $uuid
		3544	and return;
		3545
		3546	warn "uuid file written ($value).\n";
		3547
		3548	1
		3549
		3550	}
		3551
		3552	sub write_uuid($$) {
		3553	my ($skip, $sync) = @_;
		3554
		3555	$sync ? write_uuid_sync $skip
		3556	: async { write_uuid_sync $skip };
3399	}	3557	}
3400		3558
3401	sub emergency_save() {	3559	sub emergency_save() {
3402	my $freeze_guard = cf::freeze_mainloop;	3560	my $freeze_guard = cf::freeze_mainloop;
3403		3561
3404	warn "enter emergency perl save\n";	3562	warn "emergency_perl_save: enter\n";
3405		3563
3406	cf::sync_job {	3564	cf::sync_job {
		3565	# this is a trade-off: we want to be very quick here, so
		3566	# save all maps without fsync, and later call a global sync
		3567	# (which in turn might be very very slow)
		3568	local $USE_FSYNC = 0;
		3569
3407	# use a peculiar iteration method to avoid tripping on perl	3570	# use a peculiar iteration method to avoid tripping on perl
3408	# refcount bugs in for. also avoids problems with players	3571	# refcount bugs in for. also avoids problems with players
3409	# and maps saved/destroyed asynchronously.	3572	# and maps saved/destroyed asynchronously.
3410	warn "begin emergency player save\n";	3573	warn "emergency_perl_save: begin player save\n";
3411	for my $login (keys %cf::PLAYER) {	3574	for my $login (keys %cf::PLAYER) {
3412	my $pl = $cf::PLAYER{$login} or next;	3575	my $pl = $cf::PLAYER{$login} or next;
3413	$pl->valid or next;	3576	$pl->valid or next;
3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3577	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3415	$pl->save;	3578	$pl->save;
3416	}	3579	}
3417	warn "end emergency player save\n";	3580	warn "emergency_perl_save: end player save\n";
3418		3581
3419	warn "begin emergency map save\n";	3582	warn "emergency_perl_save: begin map save\n";
3420	for my $path (keys %cf::MAP) {	3583	for my $path (keys %cf::MAP) {
3421	my $map = $cf::MAP{$path} or next;	3584	my $map = $cf::MAP{$path} or next;
3422	$map->valid or next;	3585	$map->valid or next;
3423	$map->save;	3586	$map->save;
3424	}	3587	}
3425	warn "end emergency map save\n";	3588	warn "emergency_perl_save: end map save\n";
3426		3589
3427	warn "begin emergency database checkpoint\n";	3590	warn "emergency_perl_save: begin database checkpoint\n";
3428	BDB::db_env_txn_checkpoint $DB_ENV;	3591	BDB::db_env_txn_checkpoint $DB_ENV;
3429	warn "end emergency database checkpoint\n";	3592	warn "emergency_perl_save: end database checkpoint\n";
		3593
		3594	warn "emergency_perl_save: begin write uuid\n";
		3595	write_uuid_sync 1;
		3596	warn "emergency_perl_save: end write uuid\n";
3430	};	3597	};
3431		3598
		3599	warn "emergency_perl_save: starting sync()\n";
		3600	IO::AIO::aio_sync sub {
		3601	warn "emergency_perl_save: finished sync()\n";
		3602	};
		3603
3432	warn "leave emergency perl save\n";	3604	warn "emergency_perl_save: leave\n";
3433	}	3605	}
3434		3606
3435	sub post_cleanup {	3607	sub post_cleanup {
3436	my ($make_core) = @_;	3608	my ($make_core) = @_;
3437		3609
3438	warn Carp::longmess "post_cleanup backtrace"	3610	warn Carp::longmess "post_cleanup backtrace"
3439	if $make_core;	3611	if $make_core;
		3612
		3613	my $fh = pidfile;
		3614	unlink $PIDFILE if <$fh> == $$;
		3615	}
		3616
		3617	# a safer delete_package, copied from Symbol
		3618	sub clear_package($) {
		3619	my $pkg = shift;
		3620
		3621	# expand to full symbol table name if needed
		3622	unless ($pkg =~ /^main::.*::$/) {
		3623	$pkg = "main$pkg" if $pkg =~ /^::/;
		3624	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3625	$pkg .= '::' unless $pkg =~ /::$/;
		3626	}
		3627
		3628	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3629	my $stem_symtab = *{$stem}{HASH};
		3630
		3631	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3632	or return;
		3633
		3634	# clear all symbols
		3635	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3636	for my $name (keys %$leaf_symtab) {
		3637	_gv_clear *{"$pkg$name"};
		3638	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3639	}
		3640	warn "cleared package $pkg\n";#d#
3440	}	3641	}
3441		3642
3442	sub do_reload_perl() {	3643	sub do_reload_perl() {
3443	# can/must only be called in main	3644	# can/must only be called in main
3444	if ($Coro::current != $Coro::main) {	3645	if ($Coro::current != $Coro::main) {
3445	warn "can only reload from main coroutine";	3646	warn "can only reload from main coroutine";
3446	return;	3647	return;
3447	}	3648	}
3448		3649
		3650	return if $RELOAD++;
		3651
		3652	my $t1 = EV::time;
		3653
		3654	while ($RELOAD) {
3449	warn "reloading...";	3655	warn "reloading...";
3450		3656
3451	warn "entering sync_job";	3657	warn "entering sync_job";
3452		3658
3453	cf::sync_job {	3659	cf::sync_job {
3454	cf::write_runtime; # external watchdog should not bark	3660	cf::write_runtime_sync; # external watchdog should not bark
3455	cf::emergency_save;	3661	cf::emergency_save;
3456	cf::write_runtime; # external watchdog should not bark	3662	cf::write_runtime_sync; # external watchdog should not bark
3457		3663
3458	warn "syncing database to disk";	3664	warn "syncing database to disk";
3459	BDB::db_env_txn_checkpoint $DB_ENV;	3665	BDB::db_env_txn_checkpoint $DB_ENV;
3460		3666
3461	# if anything goes wrong in here, we should simply crash as we already saved	3667	# if anything goes wrong in here, we should simply crash as we already saved
3462		3668
3463	warn "flushing outstanding aio requests";	3669	warn "flushing outstanding aio requests";
3464	for (;;) {
3465	BDB::flush;
3466	IO::AIO::flush;
3467	Coro::cede_notself;
3468	last unless IO::AIO::nreqs || BDB::nreqs;	3670	while (IO::AIO::nreqs || BDB::nreqs) {
3469	warn "iterate...";	3671	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3470	}
3471
3472	++$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	}	3672	}
3495		3673
3496	warn "... nuking $pkg";	3674	warn "cancelling all extension coros";
3497	Symbol::delete_package $pkg;	3675	$_->cancel for values %EXT_CORO;
3498	}	3676	%EXT_CORO = ();
3499		3677
3500	warn "unloading all perl modules loaded from $LIBDIR";	3678	warn "removing commands";
3501	while (my ($k, $v) = each %INC) {	3679	%COMMAND = ();
3502	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3503		3680
		3681	warn "removing ext/exti commands";
		3682	%EXTCMD = ();
		3683	%EXTICMD = ();
		3684
		3685	warn "unloading/nuking all extensions";
		3686	for my $pkg (@EXTS) {
3504	warn "... unloading $k";	3687	warn "... unloading $pkg";
3505	delete $INC{$k};
3506		3688
3507	$k =~ s/\.pm$//;
3508	$k =~ s/\//::/g;
3509
3510	if (my $cb = $k->can ("unload_module")) {	3689	if (my $cb = $pkg->can ("unload")) {
		3690	eval {
3511	$cb->();	3691	$cb->($pkg);
		3692	1
		3693	} or warn "$pkg unloaded, but with errors: $@";
		3694	}
		3695
		3696	warn "... clearing $pkg";
		3697	clear_package $pkg;
3512	}	3698	}
3513		3699
3514	Symbol::delete_package $k;	3700	warn "unloading all perl modules loaded from $LIBDIR";
		3701	while (my ($k, $v) = each %INC) {
		3702	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3703
		3704	warn "... unloading $k";
		3705	delete $INC{$k};
		3706
		3707	$k =~ s/\.pm$//;
		3708	$k =~ s/\//::/g;
		3709
		3710	if (my $cb = $k->can ("unload_module")) {
		3711	$cb->();
		3712	}
		3713
		3714	clear_package $k;
3515	}	3715	}
3516		3716
3517	warn "getting rid of safe::, as good as possible";	3717	warn "getting rid of safe::, as good as possible";
3518	Symbol::delete_package "safe::$_"	3718	clear_package "safe::$_"
3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3719	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3520		3720
3521	warn "unloading cf.pm \"a bit\"";	3721	warn "unloading cf.pm \"a bit\"";
3522	delete $INC{"cf.pm"};	3722	delete $INC{"cf.pm"};
3523	delete $INC{"cf/pod.pm"};	3723	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3524		3724
3525	# don't, removes xs symbols, too,	3725	# don't, removes xs symbols, too,
3526	# and global variables created in xs	3726	# and global variables created in xs
3527	#Symbol::delete_package __PACKAGE__;	3727	#clear_package __PACKAGE__;
3528		3728
3529	warn "unload completed, starting to reload now";	3729	warn "unload completed, starting to reload now";
3530		3730
3531	warn "reloading cf.pm";	3731	warn "reloading cf.pm";
3532	require cf;	3732	require cf;
3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3733	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3534		3734
3535	warn "loading config and database again";	3735	warn "loading config and database again";
3536	cf::reload_config;	3736	cf::reload_config;
3537		3737
3538	warn "loading extensions";	3738	warn "loading extensions";
3539	cf::load_extensions;	3739	cf::load_extensions;
3540		3740
		3741	if ($REATTACH_ON_RELOAD) {
3541	warn "reattaching attachments to objects/players";	3742	warn "reattaching attachments to objects/players";
3542	_global_reattach; # objects, sockets	3743	_global_reattach; # objects, sockets
3543	warn "reattaching attachments to maps";	3744	warn "reattaching attachments to maps";
3544	reattach $_ for values %MAP;	3745	reattach $_ for values %MAP;
3545	warn "reattaching attachments to players";	3746	warn "reattaching attachments to players";
3546	reattach $_ for values %PLAYER;	3747	reattach $_ for values %PLAYER;
		3748	}
3547		3749
		3750	warn "running post_init jobs";
		3751	(pop @POST_INIT)->(1) while @POST_INIT;
		3752
3548	warn "leaving sync_job";	3753	warn "leaving sync_job";
3549		3754
3550	1	3755	1
3551	} or do {	3756	} or do {
3552	warn $@;	3757	warn $@;
3553	warn "error while reloading, exiting.";	3758	cf::cleanup "error while reloading, exiting.";
3554	exit 1;
3555	};	3759	};
3556		3760
3557	warn "reloaded";	3761	warn "reloaded";
		3762	--$RELOAD;
		3763	}
		3764
		3765	$t1 = EV::time - $t1;
		3766	warn "reload completed in ${t1}s\n";
3558	};	3767	};
3559		3768
3560	our $RELOAD_WATCHER; # used only during reload	3769	our $RELOAD_WATCHER; # used only during reload
3561		3770
3562	sub reload_perl() {	3771	sub reload_perl() {
3563	# doing reload synchronously and two reloads happen back-to-back,	3772	# doing reload synchronously and two reloads happen back-to-back,
3564	# coro crashes during coro_state_free->destroy here.	3773	# coro crashes during coro_state_free->destroy here.
3565		3774
		3775	$RELOAD_WATCHER ||= cf::async {
		3776	Coro::AIO::aio_wait cache_extensions;
		3777
3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3778	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3779	do_reload_perl;
3567	undef $RELOAD_WATCHER;	3780	undef $RELOAD_WATCHER;
3568	do_reload_perl;	3781	};
3569	};	3782	};
3570	}	3783	}
3571		3784
3572	register_command "reload" => sub {	3785	register_command "reload" => sub {
3573	my ($who, $arg) = @_;	3786	my ($who, $arg) = @_;
…		…
3587		3800
3588	our @WAIT_FOR_TICK;	3801	our @WAIT_FOR_TICK;
3589	our @WAIT_FOR_TICK_BEGIN;	3802	our @WAIT_FOR_TICK_BEGIN;
3590		3803
3591	sub wait_for_tick {	3804	sub wait_for_tick {
3592	return unless $TICK_WATCHER->is_active;
3593	return if $Coro::current == $Coro::main;	3805	return if tick_inhibit || $Coro::current == $Coro::main;
3594		3806
3595	my $signal = new Coro::Signal;	3807	my $signal = new Coro::Signal;
3596	push @WAIT_FOR_TICK, $signal;	3808	push @WAIT_FOR_TICK, $signal;
3597	$signal->wait;	3809	$signal->wait;
3598	}	3810	}
3599		3811
3600	sub wait_for_tick_begin {	3812	sub wait_for_tick_begin {
3601	return unless $TICK_WATCHER->is_active;
3602	return if $Coro::current == $Coro::main;	3813	return if tick_inhibit || $Coro::current == $Coro::main;
3603		3814
3604	my $signal = new Coro::Signal;	3815	my $signal = new Coro::Signal;
3605	push @WAIT_FOR_TICK_BEGIN, $signal;	3816	push @WAIT_FOR_TICK_BEGIN, $signal;
3606	$signal->wait;	3817	$signal->wait;
3607	}	3818	}
3608		3819
3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3820	sub tick {
3610	if ($Coro::current != $Coro::main) {	3821	if ($Coro::current != $Coro::main) {
3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3612	unless ++$bug_warning > 10;	3823	unless ++$bug_warning > 10;
3613	return;	3824	return;
3614	}	3825	}
3615		3826
3616	$NOW = $tick_start = EV::now;
3617
3618	cf::server_tick; # one server iteration	3827	cf::server_tick; # one server iteration
3619
3620	$RUNTIME += $TICK;
3621	$NEXT_TICK = $_[0]->at;
3622		3828
3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3829	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3830	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3625	Coro::async_pool {	3831	Coro::async_pool {
3626	$Coro::current->{desc} = "runtime saver";	3832	$Coro::current->{desc} = "runtime saver";
3627	write_runtime	3833	write_runtime_sync
3628	or warn "ERROR: unable to write runtime file: $!";	3834	or warn "ERROR: unable to write runtime file: $!";
3629	};	3835	};
3630	}	3836	}
3631		3837
3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3838	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3634	}	3840	}
3635	while (my $sig = shift @WAIT_FOR_TICK) {	3841	while (my $sig = shift @WAIT_FOR_TICK) {
3636	$sig->send;	3842	$sig->send;
3637	}	3843	}
3638		3844
3639	$LOAD = ($NOW - $tick_start) / $TICK;	3845	$LOAD = ($NOW - $TICK_START) / $TICK;
3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3846	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641		3847
3642	_post_tick;	3848	if (0) {
3643	};	3849	if ($NEXT_TICK) {
3644	$TICK_WATCHER->priority (EV::MAXPRI);	3850	my $jitter = $TICK_START - $NEXT_TICK;
		3851	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3852	warn "jitter $JITTER\n";#d#
		3853	}
		3854	}
		3855	}
3645		3856
3646	{	3857	{
3647	# configure BDB	3858	# configure BDB
3648		3859
3649	BDB::min_parallel 8;	3860	BDB::min_parallel 8;
3650	BDB::max_poll_reqs $TICK * 0.1;	3861	BDB::max_poll_reqs $TICK * 0.1;
3651	$Coro::BDB::WATCHER->priority (1);	3862	$AnyEvent::BDB::WATCHER->priority (1);
3652		3863
3653	unless ($DB_ENV) {	3864	unless ($DB_ENV) {
3654	$DB_ENV = BDB::db_env_create;	3865	$DB_ENV = BDB::db_env_create;
3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3866	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3656	| BDB::LOG_AUTOREMOVE, 1);	3867	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3868	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3869	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3870	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3659		3871
3660	cf::sync_job {	3872	cf::sync_job {
3661	eval {	3873	eval {
…		…
3687	{	3899	{
3688	# configure IO::AIO	3900	# configure IO::AIO
3689		3901
3690	IO::AIO::min_parallel 8;	3902	IO::AIO::min_parallel 8;
3691	IO::AIO::max_poll_time $TICK * 0.1;	3903	IO::AIO::max_poll_time $TICK * 0.1;
3692	$Coro::AIO::WATCHER->priority (1);	3904	undef $AnyEvent::AIO::WATCHER;
3693	}	3905	}
3694		3906
3695	my $_log_backtrace;	3907	my $_log_backtrace;
3696		3908
3697	sub _log_backtrace {	3909	sub _log_backtrace {
…		…
3700	$msg =~ s/\n//;	3912	$msg =~ s/\n//;
3701		3913
3702	# limit the # of concurrent backtraces	3914	# limit the # of concurrent backtraces
3703	if ($_log_backtrace < 2) {	3915	if ($_log_backtrace < 2) {
3704	++$_log_backtrace;	3916	++$_log_backtrace;
		3917	my $perl_bt = Carp::longmess $msg;
3705	async {	3918	async {
3706	$Coro::current->{desc} = "abt $msg";	3919	$Coro::current->{desc} = "abt $msg";
3707		3920
3708	my @bt = fork_call {	3921	my @bt = fork_call {
3709	@addr = map { sprintf "%x", $_ } @addr;	3922	@addr = map { sprintf "%x", $_ } @addr;
…		…
3720	}	3933	}
3721		3934
3722	@funcs	3935	@funcs
3723	};	3936	};
3724		3937
3725	LOG llevInfo, "[ABT] $msg\n";	3938	LOG llevInfo, "[ABT] $perl_bt\n";
		3939	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3726	LOG llevInfo, "[ABT] $_\n" for @bt;	3940	LOG llevInfo, "[ABT] $_\n" for @bt;
3727	--$_log_backtrace;	3941	--$_log_backtrace;
3728	};	3942	};
3729	} else {	3943	} else {
3730	LOG llevInfo, "[ABT] $msg\n";	3944	LOG llevInfo, "[ABT] $msg\n";
3731	LOG llevInfo, "[ABT] [suppressed]\n";	3945	LOG llevInfo, "[ABT] [suppressed]\n";
3732	}	3946	}
3733	}	3947	}
3734		3948
3735	# load additional modules	3949	# load additional modules
3736	use cf::pod;	3950	require "cf/$_.pm" for @EXTRA_MODULES;
3737		3951
3738	END { cf::emergency_save }	3952	END { cf::emergency_save }
3739		3953
3740	1	3954	1
3741		3955

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