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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC vs.
Revision 1.469 by root, Mon Mar 2 22:25:19 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;
…		…
221	for my $pkg (qw(	261	for my $pkg (qw(
222	cf::global cf::attachable	262	cf::global cf::attachable
223	cf::object cf::object::player	263	cf::object cf::object::player
224	cf::client cf::player	264	cf::client cf::player
225	cf::arch cf::living	265	cf::arch cf::living
		266	cf::map cf::mapspace
226	cf::map cf::party cf::region	267	cf::party cf::region
227	)) {	268	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	269	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	270	}
231		271
232	$EV::DIED = sub {	272	$EV::DIED = sub {
233	warn "error in event callback: @_";	273	warn "error in event callback: @_";
…		…
275	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	315	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
276		316
277	sub encode_json($) { $json_coder->encode ($_[0]) }	317	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	318	sub decode_json($) { $json_coder->decode ($_[0]) }
279		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
280	=item cf::lock_wait $string	334	=item cf::lock_wait $string
281		335
282	Wait until the given lock is available. See cf::lock_acquire.	336	Wait until the given lock is available. See cf::lock_acquire.
283		337
284	=item my $lock = cf::lock_acquire $string	338	=item my $lock = cf::lock_acquire $string
285		339
286	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
287	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,
288	for example when the coroutine gets canceled), the lock is automatically	342	for example when the coroutine gets canceled), the lock is automatically
289	returned.	343	returned.
290		344
291	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
292	deadlocked coro.	346	deadlocked coro.
…		…
298		352
299	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.
300		354
301	=cut	355	=cut
302		356
303	our %LOCK;	357	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		358
306	sub lock_wait($) {	359	sub lock_wait($) {
307	my ($key) = @_;	360	$LOCKS->wait ($_[0]);
308
309	if ($LOCKER{$key} == $Coro::current) {#d#
310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311	return;#d#
312	}#d#
313
314	# wait for lock, if any
315	while ($LOCK{$key}) {
316	push @{ $LOCK{$key} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	361	}
320		362
321	sub lock_acquire($) {	363	sub lock_acquire($) {
322	my ($key) = @_;	364	$LOCKS->guard ($_[0])
323
324	# wait, to be sure we are not locked
325	lock_wait $key;
326
327	$LOCK{$key} = [];
328	$LOCKER{$key} = $Coro::current;#d#
329
330	Coro::guard {
331	delete $LOCKER{$key};#d#
332	# wake up all waiters, to be on the safe side
333	$_->ready for @{ delete $LOCK{$key} };
334	}
335	}	365	}
336		366
337	sub lock_active($) {	367	sub lock_active($) {
338	my ($key) = @_;	368	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	369	}
342		370
343	sub freeze_mainloop {	371	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	372	tick_inhibit_inc;
345		373
346	my $guard = Coro::guard {	374	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	375	}
352		376
353	=item cf::periodic $interval, $cb	377	=item cf::periodic $interval, $cb
354		378
355	Like EV::periodic, but randomly selects a starting point so that the actions	379	Like EV::periodic, but randomly selects a starting point so that the actions
…		…
410	}	434	}
411	}	435	}
412	};	436	};
413		437
414	sub get_slot($;$$) {	438	sub get_slot($;$$) {
		439	return if tick_inhibit || $Coro::current == $Coro::main;
		440
415	my ($time, $pri, $name) = @_;	441	my ($time, $pri, $name) = @_;
416		442
417	$time = $TICK * .6 if $time > $TICK * .6;	443	$time = $TICK * .6 if $time > $TICK * .6;
418	my $sig = new Coro::Signal;	444	my $sig = new Coro::Signal;
419		445
…		…
456	# this is the main coro, too bad, we have to block	482	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	483	# till the operation succeeds, freezing the server :/
458		484
459	LOG llevError, Carp::longmess "sync job";#d#	485	LOG llevError, Carp::longmess "sync job";#d#
460		486
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	487	my $freeze_guard = freeze_mainloop;
464		488
465	my $busy = 1;	489	my $busy = 1;
466	my @res;	490	my @res;
467		491
…		…
478	} else {	502	} else {
479	EV::loop EV::LOOP_ONESHOT;	503	EV::loop EV::LOOP_ONESHOT;
480	}	504	}
481	}	505	}
482		506
483	$time = EV::time - $time;	507	my $time = EV::time - $time;
484		508
485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488	$tick_start += $time; # do not account sync jobs to server load	509	$TICK_START += $time; # do not account sync jobs to server load
489		510
490	wantarray ? @res : $res[0]	511	wantarray ? @res : $res[0]
491	} else {	512	} else {
492	# we are in another coroutine, how wonderful, everything just works	513	# we are in another coroutine, how wonderful, everything just works
493		514
…		…
535	reset_signals;	556	reset_signals;
536	&$cb	557	&$cb
537	}, @args;	558	}, @args;
538		559
539	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
540	}	588	}
541		589
542	=item $value = cf::db_get $family => $key	590	=item $value = cf::db_get $family => $key
543		591
544	Returns a single value from the environment database.	592	Returns a single value from the environment database.
…		…
683		731
684	#############################################################################	732	#############################################################################
685		733
686	=head2 ATTACHABLE OBJECTS	734	=head2 ATTACHABLE OBJECTS
687		735
688	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
689	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")
690	to it. All such attachable objects support the following methods.	738	to it. All such attachable objects support the following methods.
691		739
692	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>
693	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
…		…
743	=item cf::CLASS::attachment $name, ...	791	=item cf::CLASS::attachment $name, ...
744		792
745	Register an attachment by C<$name> through which attachable objects of the	793	Register an attachment by C<$name> through which attachable objects of the
746	given CLASS can refer to this attachment.	794	given CLASS can refer to this attachment.
747		795
748	Some classes such as crossfire maps and objects can specify attachments	796	Some classes such as deliantra maps and objects can specify attachments
749	that are attached at load/instantiate time, thus the need for a name.	797	that are attached at load/instantiate time, thus the need for a name.
750		798
751	These calls expect any number of the following handler/hook descriptions:	799	These calls expect any number of the following handler/hook descriptions:
752		800
753	=over 4	801	=over 4
…		…
1044		1092
1045	sub reattach {	1093	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1094	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1095	my ($obj) = @_;
1048		1096
		1097	# no longer needed after getting rid of delete_package?
1049	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
1050		1099
1051	my $registry = $obj->registry;	1100	my $registry = $obj->registry;
1052		1101
1053	@$registry = ();	1102	@$registry = ();
1054		1103
…		…
1100	utf8::decode (my $decname = $filename);	1149	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1150	warn sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1151	$decname, length $$rdata, scalar @$objs;
1103		1152
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1155	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
1108	close $fh;	1157	aio_close $fh;
1109		1158
1110	if (@$objs) {	1159	if (@$objs) {
1111	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) {
1112	chmod SAVE_MODE, $fh;	1161	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1162	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1163	aio_write $fh, 0, (length $data), $data, 0;
1115	aio_fsync $fh if $cf::USE_FSYNC;	1164	aio_fsync $fh if $cf::USE_FSYNC;
1116	close $fh;	1165	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1166	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1167	}
1119	} else {	1168	} else {
1120	aio_unlink "$filename.pst";	1169	aio_unlink "$filename.pst";
1121	}	1170	}
1122		1171
1123	aio_rename "$filename~", $filename;	1172	aio_rename "$filename~", $filename;
		1173
		1174	$filename =~ s%/[^/]+$%%;
		1175	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1176	} else {
1125	warn "FATAL: $filename~: $!\n";	1177	warn "unable to save objects: $filename~: $!\n";
1126	}	1178	}
1127	} else {	1179	} else {
1128	aio_unlink $filename;	1180	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1130	}	1182	}
…		…
1221	my ($name, $cb) = @_;	1273	my ($name, $cb) = @_;
1222		1274
1223	$EXTICMD{$name} = $cb;	1275	$EXTICMD{$name} = $cb;
1224	}	1276	}
1225		1277
		1278	use File::Glob ();
		1279
1226	cf::player->attach (	1280	cf::player->attach (
1227	on_command => sub {	1281	on_command => sub {
1228	my ($pl, $name, $params) = @_;	1282	my ($pl, $name, $params) = @_;
1229		1283
1230	my $cb = $COMMAND{$name}	1284	my $cb = $COMMAND{$name}
…		…
1262		1316
1263	cf::override;	1317	cf::override;
1264	},	1318	},
1265	);	1319	);
1266		1320
		1321	# "readahead" all extensions
		1322	sub cache_extensions {
		1323	my $grp = IO::AIO::aio_group;
		1324
		1325	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
		1326	for (grep /\.ext$/, @{$_[0]}) {
		1327	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1328	}
		1329	};
		1330
		1331	$grp
		1332	}
		1333
1267	sub load_extensions {	1334	sub load_extensions {
1268	cf::sync_job {	1335	cf::sync_job {
1269	my %todo;	1336	my %todo;
1270		1337
1271	for my $path (<$LIBDIR/*.ext>) {	1338	for my $path (<$LIBDIR/*.ext>) {
…		…
1290		1357
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1358	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1359	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1360
1294	$ext{source} =	1361	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1362	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1296	. "#line 1 \"$path\"\n{\n"	1363	. "#line 1 \"$path\"\n{\n"
1297	. $source	1364	. $source
1298	. "\n};\n1";	1365	. "\n};\n1";
1299		1366
1300	$todo{$base} = \%ext;	1367	$todo{$base} = \%ext;
…		…
1316	my $msg = $@ ? "$v->{path}: $@\n"	1383	my $msg = $@ ? "$v->{path}: $@\n"
1317	: "$v->{base}: extension inactive.\n";	1384	: "$v->{base}: extension inactive.\n";
1318		1385
1319	if (exists $v->{meta}{mandatory}) {	1386	if (exists $v->{meta}{mandatory}) {
1320	warn $msg;	1387	warn $msg;
1321	warn "mandatory extension failed to load, exiting.\n";	1388	cf::cleanup "mandatory extension failed to load, exiting.";
1322	exit 1;
1323	}	1389	}
1324		1390
1325	warn $msg;	1391	warn $msg;
1326	}	1392	}
1327		1393
…		…
1341		1407
1342	=back	1408	=back
1343		1409
1344	=head2 CORE EXTENSIONS	1410	=head2 CORE EXTENSIONS
1345		1411
1346	Functions and methods that extend core crossfire objects.	1412	Functions and methods that extend core deliantra objects.
1347		1413
1348	=cut	1414	=cut
1349		1415
1350	package cf::player;	1416	package cf::player;
1351		1417
…		…
1394		1460
1395	sub exists($) {	1461	sub exists($) {
1396	my ($login) = @_;	1462	my ($login) = @_;
1397		1463
1398	$cf::PLAYER{$login}	1464	$cf::PLAYER{$login}
1399	or cf::sync_job { !aio_stat path $login }	1465	or !aio_stat path $login
1400	}	1466	}
1401		1467
1402	sub find($) {	1468	sub find($) {
1403	return $cf::PLAYER{$_[0]} || do {	1469	return $cf::PLAYER{$_[0]} || do {
1404	my $login = $_[0];	1470	my $login = $_[0];
…		…
1416	my $f = new_from_file cf::object::thawer path $login	1482	my $f = new_from_file cf::object::thawer path $login
1417	or return;	1483	or return;
1418		1484
1419	my $pl = cf::player::load_pl $f	1485	my $pl = cf::player::load_pl $f
1420	or return;	1486	or return;
		1487
1421	local $cf::PLAYER_LOADING{$login} = $pl;	1488	local $cf::PLAYER_LOADING{$login} = $pl;
1422	$f->resolve_delayed_derefs;	1489	$f->resolve_delayed_derefs;
1423	$cf::PLAYER{$login} = $pl	1490	$cf::PLAYER{$login} = $pl
1424	}	1491	}
1425	}	1492	}
…		…
1435		1502
1436	return if $pl->{deny_save};	1503	return if $pl->{deny_save};
1437		1504
1438	aio_mkdir playerdir $pl, 0770;	1505	aio_mkdir playerdir $pl, 0770;
1439	$pl->{last_save} = $cf::RUNTIME;	1506	$pl->{last_save} = $cf::RUNTIME;
		1507
		1508	cf::get_slot 0.01;
1440		1509
1441	$pl->save_pl ($path);	1510	$pl->save_pl ($path);
1442	cf::cede_to_tick;	1511	cf::cede_to_tick;
1443	}	1512	}
1444		1513
…		…
1476	my ($pl) = @_;	1545	my ($pl) = @_;
1477		1546
1478	my $name = $pl->ob->name;	1547	my $name = $pl->ob->name;
1479		1548
1480	$pl->{deny_save} = 1;	1549	$pl->{deny_save} = 1;
1481	$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
1482		1551
1483	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1552	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1484	$pl->deactivate;	1553	$pl->deactivate;
		1554	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1555	$pl->ob->check_score;
1485	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1556	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1486	$pl->ns->destroy if $pl->ns;	1557	$pl->ns->destroy if $pl->ns;
1487		1558
1488	my $path = playerdir $pl;	1559	my $path = playerdir $pl;
1489	my $temp = "$path~$cf::RUNTIME~deleting~";	1560	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1528		1599
1529	for my $login (@$dirs) {	1600	for my $login (@$dirs) {
1530	my $path = path $login;	1601	my $path = path $login;
1531		1602
1532	# a .pst is a dead give-away for a valid player	1603	# a .pst is a dead give-away for a valid player
1533	unless (-e "$path.pst") {	1604	# if no pst file found, open and chekc for blocked users
		1605	if (aio_stat "$path.pst") {
1534	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1606	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535	aio_read $fh, 0, 512, my $buf, 0 or next;	1607	aio_read $fh, 0, 512, my $buf, 0 or next;
1536	$buf !~ /^password -------------$/m or next; # official not-valid tag	1608	$buf !~ /^password -------------$/m or next; # official not-valid tag
1537	}	1609	}
1538		1610
…		…
1569	}	1641	}
1570		1642
1571	\@paths	1643	\@paths
1572	}	1644	}
1573		1645
1574	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1646	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1575		1647
1576	Expand crossfire pod fragments into protocol xml.	1648	Expand deliantra pod fragments into protocol xml.
1577
1578	=cut
1579
1580	use re 'eval';
1581
1582	my $group;
1583	my $interior; $interior = qr{
1584	# match a pod interior sequence sans C<< >>
1585	(?:
1586	\ (.*?)\ (?{ $group = $^N })
1587	| < (??{$interior}) >
1588	)
1589	}x;
1590
1591	sub expand_cfpod {
1592	my ($self, $pod) = @_;
1593
1594	my $xml;
1595
1596	while () {
1597	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598	$group = $1;
1599
1600	$group =~ s/&/&amp;/g;
1601	$group =~ s/</&lt;/g;
1602
1603	$xml .= $group;
1604	} elsif ($pod =~ m%\G
1605	([BCGHITU])
1606	<
1607	(?:
1608	([^<>]*) (?{ $group = $^N })
1609	| < $interior >
1610	)
1611	>
1612	%gcsx
1613	) {
1614	my ($code, $data) = ($1, $group);
1615
1616	if ($code eq "B") {
1617	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618	} elsif ($code eq "I") {
1619	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620	} elsif ($code eq "U") {
1621	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622	} elsif ($code eq "C") {
1623	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624	} elsif ($code eq "T") {
1625	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626	} elsif ($code eq "G") {
1627	my ($male, $female) = split /\|/, $data;
1628	$data = $self->gender ? $female : $male;
1629	$xml .= expand_cfpod ($self, $data);
1630	} elsif ($code eq "H") {
1631	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633	"")
1634	[$self->{hintmode}];
1635	} else {
1636	$xml .= "error processing '$code($data)' directive";
1637	}
1638	} else {
1639	if ($pod =~ /\G(.+)/) {
1640	warn "parse error while expanding $pod (at $1)";
1641	}
1642	last;
1643	}
1644	}
1645
1646	for ($xml) {
1647	# create single paragraphs (very hackish)
1648	s/(?<=\S)\n(?=\w)/ /g;
1649
1650	# compress some whitespace
1651	s/\s+\n/\n/g; # ws line-ends
1652	s/\n\n+/\n/g; # double lines
1653	s/^\n+//; # beginning lines
1654	s/\n+$//; # ending lines
1655	}
1656
1657	$xml
1658	}
1659
1660	no re 'eval';
1661
1662	sub hintmode {
1663	$_[0]{hintmode} = $_[1] if @_ > 1;
1664	$_[0]{hintmode}
1665	}
1666		1649
1667	=item $player->ext_reply ($msgid, @msg)	1650	=item $player->ext_reply ($msgid, @msg)
1668		1651
1669	Sends an ext reply to the player.	1652	Sends an ext reply to the player.
1670		1653
…		…
1737	our $MAX_RESET = 3600;	1720	our $MAX_RESET = 3600;
1738	our $DEFAULT_RESET = 3000;	1721	our $DEFAULT_RESET = 3000;
1739		1722
1740	sub generate_random_map {	1723	sub generate_random_map {
1741	my ($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
1742	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1743	$self->_create_random_map (	1729	$self->_create_random_map (
1744	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1745	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1746	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1868		1854
1869	# the temporary/swap location	1855	# the temporary/swap location
1870	sub save_path {	1856	sub save_path {
1871	my ($self) = @_;	1857	my ($self) = @_;
1872		1858
1873	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874	"$TMPDIR/$path.map"	1860	"$TMPDIR/$path.map"
1875	}	1861	}
1876		1862
1877	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1878	sub uniq_path {	1864	sub uniq_path {
1879	my ($self) = @_;	1865	my ($self) = @_;
1880		1866
1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1882	"$UNIQUEDIR/$path"	1868	"$UNIQUEDIR/$path"
1883	}
1884
1885	# and all this just because we cannot iterate over
1886	# all maps in C++...
1887	sub change_all_map_light {
1888	my ($change) = @_;
1889
1890	$_->change_map_light ($change)
1891	for grep $_->outdoor, values %cf::MAP;
1892	}	1869	}
1893		1870
1894	sub decay_objects {	1871	sub decay_objects {
1895	my ($self) = @_;	1872	my ($self) = @_;
1896		1873
…		…
1980	sub find {	1957	sub find {
1981	my ($path, $origin) = @_;	1958	my ($path, $origin) = @_;
1982		1959
1983	$path = normalise $path, $origin && $origin->path;	1960	$path = normalise $path, $origin && $origin->path;
1984		1961
1985	cf::lock_wait "map_data:$path";#d#remove	1962	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1986	cf::lock_wait "map_find:$path";	1963	my $guard2 = cf::lock_acquire "map_find:$path";
1987		1964
1988	$cf::MAP{$path} || do {	1965	$cf::MAP{$path} || do {
1989	my $guard1 = cf::lock_acquire "map_find:$path";
1990	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1991
1992	my $map = new_from_path cf::map $path	1966	my $map = new_from_path cf::map $path
1993	or return;	1967	or return;
1994		1968
1995	$map->{last_save} = $cf::RUNTIME;	1969	$map->{last_save} = $cf::RUNTIME;
1996		1970
…		…
1998	or return;	1972	or return;
1999		1973
2000	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1974	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001	# doing this can freeze the server in a sync job, obviously	1975	# doing this can freeze the server in a sync job, obviously
2002	#$cf::WAIT_FOR_TICK->wait;	1976	#$cf::WAIT_FOR_TICK->wait;
		1977	undef $guard2;
2003	undef $guard1;	1978	undef $guard1;
2004	undef $guard2;
2005	$map->reset;	1979	$map->reset;
2006	return find $path;	1980	return find $path;
2007	}	1981	}
2008		1982
2009	$cf::MAP{$path} = $map	1983	$cf::MAP{$path} = $map
…		…
2036	my $f = new_from_file cf::object::thawer $self->{load_path};	2010	my $f = new_from_file cf::object::thawer $self->{load_path};
2037	$f->skip_block;	2011	$f->skip_block;
2038	$self->_load_objects ($f)	2012	$self->_load_objects ($f)
2039	or return;	2013	or return;
2040		2014
2041	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2015	$self->post_load_original
2042	if delete $self->{load_original};	2016	if delete $self->{load_original};
2043		2017
2044	if (my $uniq = $self->uniq_path) {	2018	if (my $uniq = $self->uniq_path) {
2045	utf8::encode $uniq;	2019	utf8::encode $uniq;
2046	unless (aio_stat $uniq) {	2020	unless (aio_stat $uniq) {
…		…
2064	unless ($self->{deny_activate}) {	2038	unless ($self->{deny_activate}) {
2065	$self->decay_objects;	2039	$self->decay_objects;
2066	$self->fix_auto_apply;	2040	$self->fix_auto_apply;
2067	$self->update_buttons;	2041	$self->update_buttons;
2068	cf::cede_to_tick;	2042	cf::cede_to_tick;
2069	$self->set_darkness_map;
2070	cf::cede_to_tick;
2071	$self->activate;	2043	$self->activate;
2072	}	2044	}
2073		2045
2074	$self->{last_save} = $cf::RUNTIME;	2046	$self->{last_save} = $cf::RUNTIME;
2075	$self->last_access ($cf::RUNTIME);	2047	$self->last_access ($cf::RUNTIME);
2076		2048
2077	$self->in_memory (cf::MAP_IN_MEMORY);	2049	$self->in_memory (cf::MAP_ACTIVE);
2078	}	2050	}
2079		2051
2080	$self->post_load;	2052	$self->post_load;
2081	}	2053	}
2082		2054
…		…
2140	my ($path, $origin, $load) = @_;	2112	my ($path, $origin, $load) = @_;
2141		2113
2142	$path = normalise $path, $origin && $origin->{path};	2114	$path = normalise $path, $origin && $origin->{path};
2143		2115
2144	if (my $map = $cf::MAP{$path}) {	2116	if (my $map = $cf::MAP{$path}) {
2145	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2117	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2146	}	2118	}
2147		2119
2148	$MAP_PREFETCH{$path} |= $load;	2120	$MAP_PREFETCH{$path} |= $load;
2149		2121
2150	$MAP_PREFETCHER ||= cf::async {	2122	$MAP_PREFETCHER ||= cf::async {
…		…
2187	cf::async {	2159	cf::async {
2188	$Coro::current->{desc} = "map player save";	2160	$Coro::current->{desc} = "map player save";
2189	$_->contr->save for $self->players;	2161	$_->contr->save for $self->players;
2190	};	2162	};
2191		2163
		2164	cf::get_slot 0.02;
		2165
2192	if ($uniq) {	2166	if ($uniq) {
2193	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2167	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2194	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2168	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2195	} else {	2169	} else {
2196	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2170	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
…		…
2204	$self->save;	2178	$self->save;
2205		2179
2206	my $lock = cf::lock_acquire "map_data:$self->{path}";	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
2207		2181
2208	return if $self->players;	2182	return if $self->players;
2209	return if $self->in_memory != cf::MAP_IN_MEMORY;	2183	return if $self->in_memory != cf::MAP_ACTIVE;
2210	return if $self->{deny_save};	2184	return if $self->{deny_save};
2211		2185
2212	$self->in_memory (cf::MAP_SWAPPED);	2186	$self->in_memory (cf::MAP_SWAPPED);
2213		2187
2214	$self->deactivate;	2188	$self->deactivate;
…		…
2332		2306
2333	sub unique_maps() {	2307	sub unique_maps() {
2334	[	2308	[
2335	map {	2309	map {
2336	utf8::decode $_;	2310	utf8::decode $_;
2337	/\.map$/	2311	s/\.map$//; # TODO future compatibility hack
		2312	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2313	? ()
2338	? normalise $_	2314	: normalise $_
2339	: ()
2340	} @{ aio_readdir $UNIQUEDIR or [] }	2315	} @{ aio_readdir $UNIQUEDIR or [] }
2341	]	2316	]
2342	}	2317	}
2343		2318
2344	package cf;
2345
2346	=back	2319	=back
2347		2320
2348	=head3 cf::object	2321	=head3 cf::object
2349		2322
2350	=cut	2323	=cut
…		…
2353		2326
2354	=over 4	2327	=over 4
2355		2328
2356	=item $ob->inv_recursive	2329	=item $ob->inv_recursive
2357		2330
2358	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.
2359		2333
2360	=cut	2334	=cut
2361		2335
2362	sub inv_recursive_;	2336	sub inv_recursive_;
2363	sub inv_recursive_ {	2337	sub inv_recursive_ {
…		…
2368	inv_recursive_ inv $_[0]	2342	inv_recursive_ inv $_[0]
2369	}	2343	}
2370		2344
2371	=item $ref = $ob->ref	2345	=item $ref = $ob->ref
2372		2346
2373	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.
2374		2348
2375	=item $ob = cf::object::deref ($refstring)	2349	=item $ob = cf::object::deref ($refstring)
2376		2350
2377	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,
2378	even if the object actually exists. May block.	2352	even if the object actually exists. May block.
…		…
2410	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
2411	dialogue with the given NPC character.	2385	dialogue with the given NPC character.
2412		2386
2413	=cut	2387	=cut
2414		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
2415	# rough implementation of a future "reply" method that works	2403	# rough implementation of a future "reply" method that works
2416	# with dialog boxes.	2404	# with dialog boxes.
2417	#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
2418	sub cf::object::player::reply($$$;$) {	2406	sub cf::object::player::reply($$$;$) {
2419	my ($self, $npc, $msg, $flags) = @_;	2407	my ($self, $npc, $msg, $flags) = @_;
…		…
2430	my $dialog = $pl->{npc_dialog};	2418	my $dialog = $pl->{npc_dialog};
2431	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432		2420
2433	} else {	2421	} else {
2434	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
2435	$self->message ($msg, $flags);	2423	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2436	}	2424	}
2437	}	2425	}
2438	}	2426	}
2439		2427
2440	=item $object->send_msg ($channel, $msg, $color, [extra...])	2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2465		2453
2466	=item $player_object->enter_link	2454	=item $player_object->enter_link
2467		2455
2468	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}>).
2469		2457
2470	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.
2471	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.
2472		2462
2473	Will never block.	2463	Will never block.
2474		2464
2475	=item $player_object->leave_link ($map, $x, $y)	2465	=item $player_object->leave_link ($map, $x, $y)
2476		2466
…		…
2534		2524
2535	$map->load;	2525	$map->load;
2536	$map->load_neighbours;	2526	$map->load_neighbours;
2537		2527
2538	return unless $self->contr->active;	2528	return unless $self->contr->active;
		2529	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2539	$self->activate_recursive;	2530	$self->activate_recursive;
2540		2531
2541	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2532	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2542	$self->enter_map ($map, $x, $y);	2533	$self->enter_map ($map, $x, $y);
2543	}	2534	}
…		…
2547	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
2548	her, loading and preparing them map, calling the provided $check callback	2539	her, loading and preparing them map, calling the provided $check callback
2549	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
2550	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
2551	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 >>.
2552		2546
2553	=cut	2547	=cut
2554		2548
2555	our $GOTOGEN;	2549	our $GOTOGEN;
2556		2550
…		…
2635	}	2629	}
2636		2630
2637	sub prepare_random_map {	2631	sub prepare_random_map {
2638	my ($exit) = @_;	2632	my ($exit) = @_;
2639		2633
2640	my $guard = cf::lock_acquire "exit_prepare:$exit";
2641
2642	# all this does is basically replace the /! path by	2634	# all this does is basically replace the /! path by
2643	# a new random map path (?random/...) with a seed	2635	# a new random map path (?random/...) with a seed
2644	# that depends on the exit object	2636	# that depends on the exit object
2645		2637
2646	my $rmp = parse_random_map_params $exit->msg;	2638	my $rmp = parse_random_map_params $exit->msg;
…		…
2648	if ($exit->map) {	2640	if ($exit->map) {
2649	$rmp->{region} = $exit->region->name;	2641	$rmp->{region} = $exit->region->name;
2650	$rmp->{origin_map} = $exit->map->path;	2642	$rmp->{origin_map} = $exit->map->path;
2651	$rmp->{origin_x} = $exit->x;	2643	$rmp->{origin_x} = $exit->x;
2652	$rmp->{origin_y} = $exit->y;	2644	$rmp->{origin_y} = $exit->y;
		2645
		2646	$exit->map->touch;
2653	}	2647	}
2654		2648
2655	$rmp->{random_seed} ||= $exit->random_seed;	2649	$rmp->{random_seed} ||= $exit->random_seed;
2656		2650
2657	my $data = cf::encode_json $rmp;	2651	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2658	my $md5 = Digest::MD5::md5_hex $data;	2652	my $md5 = Digest::MD5::md5_hex $data;
2659	my $meta = "$RANDOMDIR/$md5.meta";	2653	my $meta = "$RANDOMDIR/$md5.meta";
2660		2654
2661	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2655	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2662	aio_write $fh, 0, (length $data), $data, 0;	2656	aio_write $fh, 0, (length $data), $data, 0;
2663	undef $fh;	2657	undef $fh;
2664	aio_rename "$meta~", $meta;	2658	aio_rename "$meta~", $meta;
2665		2659
		2660	my $slaying = "?random/$md5";
		2661
		2662	if ($exit->valid) {
2666	$exit->slaying ("?random/$md5");	2663	$exit->slaying ("?random/$md5");
2667	$exit->msg (undef);	2664	$exit->msg (undef);
		2665	}
2668	}	2666	}
2669	}	2667	}
2670		2668
2671	sub cf::object::player::enter_exit {	2669	sub cf::object::player::enter_exit {
2672	my ($self, $exit) = @_;	2670	my ($self, $exit) = @_;
2673		2671
2674	return unless $self->type == cf::PLAYER;	2672	return unless $self->type == cf::PLAYER;
2675		2673
2676	if ($exit->slaying eq "/!") {
2677	#TODO: this should de-fi-ni-te-ly not be a sync-job
2678	# the problem is that $exit might not survive long enough
2679	# so it needs to be done right now, right here
2680	cf::sync_job { prepare_random_map $exit };
2681	}
2682
2683	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684	my $hp = $exit->stats->hp;
2685	my $sp = $exit->stats->sp;
2686
2687	$self->enter_link;	2674	$self->enter_link;
2688		2675
2689	# if exit is damned, update players death & WoR home-position
2690	$self->contr->savebed ($slaying, $hp, $sp)
2691	if $exit->flag (FLAG_DAMNED);
2692
2693	(async {	2676	(async {
2694	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2677	$Coro::current->{desc} = "enter_exit";
2695		2678
2696	$self->deactivate_recursive; # just to be sure
2697	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
2698	$self->goto ($slaying, $hp, $sp);	2694	$self->goto ($map, $x, $y);
2699		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
2700	1;	2700	1
2701	}) {	2701	}) {
2702	$self->message ("Something went wrong deep within the crossfire server. "	2702	$self->message ("Something went wrong deep within the deliantra server. "
2703	. "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. "
2704	. "Please report this to the dungeon master!",	2704	. "Please report this to the dungeon master!",
2705	cf::NDI_UNIQUE | cf::NDI_RED);	2705	cf::NDI_UNIQUE | cf::NDI_RED);
2706		2706
2707	warn "ERROR in enter_exit: $@";	2707	warn "ERROR in enter_exit: $@";
…		…
2773	id => "infobox",	2773	id => "infobox",
2774	title => "Body Parts",	2774	title => "Body Parts",
2775	reply => undef,	2775	reply => undef,
2776	tooltip => "Shows which body parts you posess and are available",	2776	tooltip => "Shows which body parts you posess and are available",
2777	},	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/resistances" => {
		2791	id => "infobox",
		2792	title => "Resistances",
		2793	reply => undef,
		2794	tooltip => "Shows your resistances",
		2795	},
		2796	"c/pets" => {
		2797	id => "infobox",
		2798	title => "Pets",
		2799	reply => undef,
		2800	tooltip => "Shows information abotu your pets/a specific pet",
		2801	},
2778	"c/uptime" => {	2802	"c/uptime" => {
2779	id => "infobox",	2803	id => "infobox",
2780	title => "Uptime",	2804	title => "Uptime",
2781	reply => undef,	2805	reply => undef,
2782	tooltip => "How long the server has been running since last restart",	2806	tooltip => "How long the server has been running since last restart",
…		…
2785	id => "infobox",	2809	id => "infobox",
2786	title => "Map Info",	2810	title => "Map Info",
2787	reply => undef,	2811	reply => undef,
2788	tooltip => "Information related to the maps",	2812	tooltip => "Information related to the maps",
2789	},	2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	"c/death" => {
		2821	id => "death",
		2822	title => "Death",
		2823	reply => undef,
		2824	tooltip => "Reason for and more info about your most recent death",
		2825	},
		2826	"c/say" => $SAY_CHANNEL,
		2827	"c/chat" => $CHAT_CHANNEL,
2790	);	2828	);
2791		2829
2792	sub cf::client::send_msg {	2830	sub cf::client::send_msg {
2793	my ($self, $channel, $msg, $color, @extra) = @_;	2831	my ($self, $channel, $msg, $color, @extra) = @_;
2794		2832
2795	$msg = $self->pl->expand_cfpod ($msg);	2833	$msg = $self->pl->expand_cfpod ($msg)
		2834	unless $color & cf::NDI_VERBATIM;
2796		2835
2797	$color &= cf::NDI_CLIENT_MASK; # just in case...	2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
2798		2837
2799	# check predefined channels, for the benefit of C	2838	# check predefined channels, for the benefit of C
2800	if ($CHANNEL{$channel}) {	2839	if ($CHANNEL{$channel}) {
2801	$channel = $CHANNEL{$channel};	2840	$channel = $CHANNEL{$channel};
2802		2841
2803	$self->ext_msg (channel_info => $channel)	2842	$self->ext_msg (channel_info => $channel);
2804	if $self->can_msg;
2805
2806	$channel = $channel->{id};	2843	$channel = $channel->{id};
2807		2844
2808	} elsif (ref $channel) {	2845	} elsif (ref $channel) {
2809	# send meta info to client, if not yet sent	2846	# send meta info to client, if not yet sent
2810	unless (exists $self->{channel}{$channel->{id}}) {	2847	unless (exists $self->{channel}{$channel->{id}}) {
2811	$self->{channel}{$channel->{id}} = $channel;	2848	$self->{channel}{$channel->{id}} = $channel;
2812	$self->ext_msg (channel_info => $channel)	2849	$self->ext_msg (channel_info => $channel);
2813	if $self->can_msg;
2814	}	2850	}
2815		2851
2816	$channel = $channel->{id};	2852	$channel = $channel->{id};
2817	}	2853	}
2818		2854
2819	return unless @extra || length $msg;	2855	return unless @extra || length $msg;
2820		2856
2821	if ($self->can_msg) {
2822	# default colour, mask it out	2857	# default colour, mask it out
2823	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	2858	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824	if $color & cf::NDI_DEF;	2859	if $color & cf::NDI_DEF;
2825		2860
2826	$self->send_packet ("msg " . $self->{json_coder}->encode (	2861	my $pkt = "msg "
		2862	. $self->{json_coder}->encode (
2827	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2828	} else {	2864	);
2829	if ($color >= 0) {
2830	# replace some tags by gcfclient-compatible ones
2831	for ($msg) {
2832	1 while
2833	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838	}
2839		2865
2840	$color &= cf::NDI_COLOR_MASK;	2866	# try lzf for large packets
		2867	$pkt = "lzf " . Compress::LZF::compress $pkt
		2868	if 1024 <= length $pkt and $self->{can_lzf};
2841		2869
2842	utf8::encode $msg;	2870	# split very large packets
2843		2871	if (8192 < length $pkt and $self->{can_lzf}) {
2844	if (0 && $msg =~ /\[/) {	2872	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2845	# COMMAND/INFO	2873	$pkt = "frag";
2846	$self->send_packet ("drawextinfo $color 10 8 $msg")
2847	} else {
2848	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849	$self->send_packet ("drawinfo $color $msg")
2850	}
2851	}
2852	}	2874	}
		2875
		2876	$self->send_packet ($pkt);
2853	}	2877	}
2854		2878
2855	=item $client->ext_msg ($type, @msg)	2879	=item $client->ext_msg ($type, @msg)
2856		2880
2857	Sends an ext event to the client.	2881	Sends an ext event to the client.
…		…
3031		3055
3032	The following functions and methods are available within a safe environment:	3056	The following functions and methods are available within a safe environment:
3033		3057
3034	cf::object	3058	cf::object
3035	contr pay_amount pay_player map x y force_find force_add destroy	3059	contr pay_amount pay_player map x y force_find force_add destroy
3036	insert remove name archname title slaying race decrease_ob_nr	3060	insert remove name archname title slaying race decrease split
		3061	value
3037		3062
3038	cf::object::player	3063	cf::object::player
3039	player	3064	player
3040		3065
3041	cf::player	3066	cf::player
…		…
3046		3071
3047	=cut	3072	=cut
3048		3073
3049	for (	3074	for (
3050	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051	insert remove inv name archname title slaying race	3076	insert remove inv nrof name archname title slaying race
3052	decrease_ob_nr destroy)],	3077	decrease split destroy change_exp value msg lore send_msg)],
3053	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
3054	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful send_msg)],
3055	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
3056	) {	3081	) {
3057	no strict 'refs';	3082	no strict 'refs';
3058	my ($pkg, @funs) = @$_;	3083	my ($pkg, @funs) = @$_;
3059	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3084	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
3076	my ($code, %vars) = @_;	3101	my ($code, %vars) = @_;
3077		3102
3078	my $qcode = $code;	3103	my $qcode = $code;
3079	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3104	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3080	$qcode =~ s/\n/\\n/g;	3105	$qcode =~ s/\n/\\n/g;
		3106
		3107	%vars = (_dummy => 0) unless %vars;
3081		3108
3082	local $_;	3109	local $_;
3083	local @safe::cf::_safe_eval_args = values %vars;	3110	local @safe::cf::_safe_eval_args = values %vars;
3084		3111
3085	my $eval =	3112	my $eval =
…		…
3265	while (my ($k, $v) = each %$want) {	3292	while (my ($k, $v) = each %$want) {
3266	$ns->fx_want ($k, $v);	3293	$ns->fx_want ($k, $v);
3267	}	3294	}
3268	};	3295	};
3269		3296
		3297	sub load_resource_file($) {
		3298	my $guard = lock_acquire "load_resource_file";
		3299
		3300	my $status = load_resource_file_ $_[0];
		3301	get_slot 0.1, 100;
		3302	cf::arch::commit_load;
		3303
		3304	$status
		3305	}
		3306
3270	sub reload_regions {	3307	sub reload_regions {
3271	# HACK to clear player env face cache, we need some signal framework	3308	# HACK to clear player env face cache, we need some signal framework
3272	# for this (global event?)	3309	# for this (global event?)
3273	%ext::player_env::MUSIC_FACE_CACHE = ();	3310	%ext::player_env::MUSIC_FACE_CACHE = ();
3274		3311
…		…
3287	}	3324	}
3288		3325
3289	sub reload_archetypes {	3326	sub reload_archetypes {
3290	load_resource_file "$DATADIR/archetypes"	3327	load_resource_file "$DATADIR/archetypes"
3291	or die "unable to load archetypes\n";	3328	or die "unable to load archetypes\n";
3292	#d# NEED to laod twice to resolve forward references
3293	# this really needs to be done in an extra post-pass
3294	# (which needs to be synchronous, so solve it differently)
3295	load_resource_file "$DATADIR/archetypes"
3296	or die "unable to load archetypes\n";
3297	}	3329	}
3298		3330
3299	sub reload_treasures {	3331	sub reload_treasures {
3300	load_resource_file "$DATADIR/treasures"	3332	load_resource_file "$DATADIR/treasures"
3301	or die "unable to load treasurelists\n";	3333	or die "unable to load treasurelists\n";
3302	}	3334	}
3303		3335
3304	sub reload_resources {	3336	sub reload_resources {
3305	warn "reloading resource files...\n";	3337	warn "reloading resource files...\n";
3306		3338
		3339	reload_facedata;
		3340	reload_archetypes;
3307	reload_regions;	3341	reload_regions;
3308	reload_facedata;
3309	#reload_archetypes;#d#
3310	reload_archetypes;
3311	reload_treasures;	3342	reload_treasures;
3312		3343
3313	warn "finished reloading resource files\n";	3344	warn "finished reloading resource files\n";
3314	}
3315
3316	sub init {
3317	reload_resources;
3318	}	3345	}
3319		3346
3320	sub reload_config {	3347	sub reload_config {
3321	open my $fh, "<:utf8", "$CONFDIR/config"	3348	open my $fh, "<:utf8", "$CONFDIR/config"
3322	or return;	3349	or return;
…		…
3336	};	3363	};
3337	warn $@ if $@;	3364	warn $@ if $@;
3338	}	3365	}
3339	}	3366	}
3340		3367
		3368	sub pidfile() {
		3369	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3370	or die "$PIDFILE: $!";
		3371	flock $fh, &Fcntl::LOCK_EX
		3372	or die "$PIDFILE: flock: $!";
		3373	$fh
		3374	}
		3375
		3376	# make sure only one server instance is running at any one time
		3377	sub atomic {
		3378	my $fh = pidfile;
		3379
		3380	my $pid = <$fh>;
		3381	kill 9, $pid if $pid > 0;
		3382
		3383	seek $fh, 0, 0;
		3384	print $fh $$;
		3385	}
		3386
3341	sub main {	3387	sub main {
		3388	cf::init_globals; # initialise logging
		3389
		3390	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3391	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3392	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3393	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3394
		3395	cf::init_experience;
		3396	cf::init_anim;
		3397	cf::init_attackmess;
		3398	cf::init_dynamic;
		3399
		3400	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3401
3342	# we must not ever block the main coroutine	3402	# we must not ever block the main coroutine
3343	local $Coro::idle = sub {	3403	local $Coro::idle = sub {
3344	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3404	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3345	(async {	3405	(async {
3346	$Coro::current->{desc} = "IDLE BUG HANDLER";	3406	$Coro::current->{desc} = "IDLE BUG HANDLER";
3347	EV::loop EV::LOOP_ONESHOT;	3407	EV::loop EV::LOOP_ONESHOT;
3348	})->prio (Coro::PRIO_MAX);	3408	})->prio (Coro::PRIO_MAX);
3349	};	3409	};
3350		3410
		3411	evthread_start IO::AIO::poll_fileno;
		3412
		3413	cf::sync_job {
		3414	reload_resources;
3351	reload_config;	3415	reload_config;
3352	db_init;	3416	db_init;
		3417
		3418	cf::load_settings;
		3419	cf::load_materials;
		3420	cf::init_uuid;
		3421	cf::init_signals;
		3422	cf::init_commands;
		3423	cf::init_skills;
		3424
		3425	cf::init_beforeplay;
		3426
		3427	atomic;
		3428
3353	load_extensions;	3429	load_extensions;
3354		3430
3355	$TICK_WATCHER->start;	3431	utime time, time, $RUNTIMEFILE;
3356	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3432
		3433	# no (long-running) fork's whatsoever before this point(!)
		3434	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3435
		3436	(pop @POST_INIT)->(0) while @POST_INIT;
		3437	};
		3438
3357	EV::loop;	3439	EV::loop;
3358	}	3440	}
3359		3441
3360	#############################################################################	3442	#############################################################################
3361	# initialisation and cleanup	3443	# initialisation and cleanup
…		…
3368	cf::cleanup "SIG$signal";	3450	cf::cleanup "SIG$signal";
3369	};	3451	};
3370	}	3452	}
3371	}	3453	}
3372		3454
3373	sub write_runtime {	3455	sub write_runtime_sync {
3374	my $runtime = "$LOCALDIR/runtime";
3375
3376	# first touch the runtime file to show we are still running:	3456	# first touch the runtime file to show we are still running:
3377	# the fsync below can take a very very long time.	3457	# the fsync below can take a very very long time.
3378		3458
3379	IO::AIO::aio_utime $runtime, undef, undef;	3459	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3380		3460
3381	my $guard = cf::lock_acquire "write_runtime";	3461	my $guard = cf::lock_acquire "write_runtime";
3382		3462
3383	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3463	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3384	or return;	3464	or return;
3385		3465
3386	my $value = $cf::RUNTIME + 90 + 10;	3466	my $value = $cf::RUNTIME + 90 + 10;
3387	# 10 is the runtime save interval, for a monotonic clock	3467	# 10 is the runtime save interval, for a monotonic clock
3388	# 60 allows for the watchdog to kill the server.	3468	# 60 allows for the watchdog to kill the server.
…		…
3398	aio_utime $fh, undef, undef;	3478	aio_utime $fh, undef, undef;
3399		3479
3400	close $fh	3480	close $fh
3401	or return;	3481	or return;
3402		3482
3403	aio_rename "$runtime~", $runtime	3483	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3404	and return;	3484	and return;
3405		3485
3406	warn "runtime file written.\n";	3486	warn "runtime file written.\n";
3407		3487
3408	1	3488	1
		3489	}
		3490
		3491	our $uuid_lock;
		3492	our $uuid_skip;
		3493
		3494	sub write_uuid_sync($) {
		3495	$uuid_skip ||= $_[0];
		3496
		3497	return if $uuid_lock;
		3498	local $uuid_lock = 1;
		3499
		3500	my $uuid = "$LOCALDIR/uuid";
		3501
		3502	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3503	or return;
		3504
		3505	my $value = uuid_seq uuid_cur;
		3506
		3507	unless ($value) {
		3508	warn "cowardly refusing to write zero uuid value!\n";
		3509	return;
		3510	}
		3511
		3512	my $value = uuid_str $value + $uuid_skip;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
3409	}	3539	}
3410		3540
3411	sub emergency_save() {	3541	sub emergency_save() {
3412	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
3413		3543
3414	warn "enter emergency perl save\n";	3544	warn "emergency_perl_save: enter\n";
3415		3545
3416	cf::sync_job {	3546	cf::sync_job {
		3547	# this is a trade-off: we want to be very quick here, so
		3548	# save all maps without fsync, and later call a global sync
		3549	# (which in turn might be very very slow)
		3550	local $USE_FSYNC = 0;
		3551
3417	# use a peculiar iteration method to avoid tripping on perl	3552	# use a peculiar iteration method to avoid tripping on perl
3418	# refcount bugs in for. also avoids problems with players	3553	# refcount bugs in for. also avoids problems with players
3419	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
3420	warn "begin emergency player save\n";	3555	warn "emergency_perl_save: begin player save\n";
3421	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
3422	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
3423	$pl->valid or next;	3558	$pl->valid or next;
3424	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425	$pl->save;	3560	$pl->save;
3426	}	3561	}
3427	warn "end emergency player save\n";	3562	warn "emergency_perl_save: end player save\n";
3428		3563
3429	warn "begin emergency map save\n";	3564	warn "emergency_perl_save: begin map save\n";
3430	for my $path (keys %cf::MAP) {	3565	for my $path (keys %cf::MAP) {
3431	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
3432	$map->valid or next;	3567	$map->valid or next;
3433	$map->save;	3568	$map->save;
3434	}	3569	}
3435	warn "end emergency map save\n";	3570	warn "emergency_perl_save: end map save\n";
3436		3571
3437	warn "begin emergency database checkpoint\n";	3572	warn "emergency_perl_save: begin database checkpoint\n";
3438	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
3439	warn "end emergency database checkpoint\n";	3574	warn "emergency_perl_save: end database checkpoint\n";
		3575
		3576	warn "emergency_perl_save: begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "emergency_perl_save: end write uuid\n";
3440	};	3579	};
3441		3580
		3581	warn "emergency_perl_save: starting sync()\n";
		3582	IO::AIO::aio_sync sub {
		3583	warn "emergency_perl_save: finished sync()\n";
		3584	};
		3585
3442	warn "leave emergency perl save\n";	3586	warn "emergency_perl_save: leave\n";
3443	}	3587	}
3444		3588
3445	sub post_cleanup {	3589	sub post_cleanup {
3446	my ($make_core) = @_;	3590	my ($make_core) = @_;
3447		3591
3448	warn Carp::longmess "post_cleanup backtrace"	3592	warn Carp::longmess "post_cleanup backtrace"
3449	if $make_core;	3593	if $make_core;
		3594
		3595	my $fh = pidfile;
		3596	unlink $PIDFILE if <$fh> == $$;
		3597	}
		3598
		3599	# a safer delete_package, copied from Symbol
		3600	sub clear_package($) {
		3601	my $pkg = shift;
		3602
		3603	# expand to full symbol table name if needed
		3604	unless ($pkg =~ /^main::.*::$/) {
		3605	$pkg = "main$pkg" if $pkg =~ /^::/;
		3606	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3607	$pkg .= '::' unless $pkg =~ /::$/;
		3608	}
		3609
		3610	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3611	my $stem_symtab = *{$stem}{HASH};
		3612
		3613	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3614	or return;
		3615
		3616	# clear all symbols
		3617	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3618	for my $name (keys %$leaf_symtab) {
		3619	_gv_clear *{"$pkg$name"};
		3620	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3621	}
		3622	warn "cleared package $pkg\n";#d#
3450	}	3623	}
3451		3624
3452	sub do_reload_perl() {	3625	sub do_reload_perl() {
3453	# can/must only be called in main	3626	# can/must only be called in main
3454	if ($Coro::current != $Coro::main) {	3627	if ($Coro::current != $Coro::main) {
3455	warn "can only reload from main coroutine";	3628	warn "can only reload from main coroutine";
3456	return;	3629	return;
3457	}	3630	}
3458		3631
		3632	return if $RELOAD++;
		3633
		3634	my $t1 = EV::time;
		3635
		3636	while ($RELOAD) {
3459	warn "reloading...";	3637	warn "reloading...";
3460		3638
3461	warn "entering sync_job";	3639	warn "entering sync_job";
3462		3640
3463	cf::sync_job {	3641	cf::sync_job {
3464	cf::write_runtime; # external watchdog should not bark	3642	cf::write_runtime_sync; # external watchdog should not bark
3465	cf::emergency_save;	3643	cf::emergency_save;
3466	cf::write_runtime; # external watchdog should not bark	3644	cf::write_runtime_sync; # external watchdog should not bark
3467		3645
3468	warn "syncing database to disk";	3646	warn "syncing database to disk";
3469	BDB::db_env_txn_checkpoint $DB_ENV;	3647	BDB::db_env_txn_checkpoint $DB_ENV;
3470		3648
3471	# if anything goes wrong in here, we should simply crash as we already saved	3649	# if anything goes wrong in here, we should simply crash as we already saved
3472		3650
3473	warn "flushing outstanding aio requests";	3651	warn "flushing outstanding aio requests";
3474	for (;;) {
3475	BDB::flush;
3476	IO::AIO::flush;
3477	Coro::cede_notself;
3478	last unless IO::AIO::nreqs || BDB::nreqs;	3652	while (IO::AIO::nreqs || BDB::nreqs) {
3479	warn "iterate...";	3653	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3480	}
3481
3482	++$RELOAD;
3483
3484	warn "cancelling all extension coros";
3485	$_->cancel for values %EXT_CORO;
3486	%EXT_CORO = ();
3487
3488	warn "removing commands";
3489	%COMMAND = ();
3490
3491	warn "removing ext/exti commands";
3492	%EXTCMD = ();
3493	%EXTICMD = ();
3494
3495	warn "unloading/nuking all extensions";
3496	for my $pkg (@EXTS) {
3497	warn "... unloading $pkg";
3498
3499	if (my $cb = $pkg->can ("unload")) {
3500	eval {
3501	$cb->($pkg);
3502	1
3503	} or warn "$pkg unloaded, but with errors: $@";
3504	}	3654	}
3505		3655
3506	warn "... nuking $pkg";	3656	warn "cancelling all extension coros";
3507	Symbol::delete_package $pkg;	3657	$_->cancel for values %EXT_CORO;
3508	}	3658	%EXT_CORO = ();
3509		3659
3510	warn "unloading all perl modules loaded from $LIBDIR";	3660	warn "removing commands";
3511	while (my ($k, $v) = each %INC) {	3661	%COMMAND = ();
3512	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3513		3662
		3663	warn "removing ext/exti commands";
		3664	%EXTCMD = ();
		3665	%EXTICMD = ();
		3666
		3667	warn "unloading/nuking all extensions";
		3668	for my $pkg (@EXTS) {
3514	warn "... unloading $k";	3669	warn "... unloading $pkg";
3515	delete $INC{$k};
3516		3670
3517	$k =~ s/\.pm$//;
3518	$k =~ s/\//::/g;
3519
3520	if (my $cb = $k->can ("unload_module")) {	3671	if (my $cb = $pkg->can ("unload")) {
		3672	eval {
3521	$cb->();	3673	$cb->($pkg);
		3674	1
		3675	} or warn "$pkg unloaded, but with errors: $@";
		3676	}
		3677
		3678	warn "... clearing $pkg";
		3679	clear_package $pkg;
3522	}	3680	}
3523		3681
3524	Symbol::delete_package $k;	3682	warn "unloading all perl modules loaded from $LIBDIR";
		3683	while (my ($k, $v) = each %INC) {
		3684	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3685
		3686	warn "... unloading $k";
		3687	delete $INC{$k};
		3688
		3689	$k =~ s/\.pm$//;
		3690	$k =~ s/\//::/g;
		3691
		3692	if (my $cb = $k->can ("unload_module")) {
		3693	$cb->();
		3694	}
		3695
		3696	clear_package $k;
3525	}	3697	}
3526		3698
3527	warn "getting rid of safe::, as good as possible";	3699	warn "getting rid of safe::, as good as possible";
3528	Symbol::delete_package "safe::$_"	3700	clear_package "safe::$_"
3529	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3530		3702
3531	warn "unloading cf.pm \"a bit\"";	3703	warn "unloading cf.pm \"a bit\"";
3532	delete $INC{"cf.pm"};	3704	delete $INC{"cf.pm"};
3533	delete $INC{"cf/pod.pm"};	3705	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3534		3706
3535	# don't, removes xs symbols, too,	3707	# don't, removes xs symbols, too,
3536	# and global variables created in xs	3708	# and global variables created in xs
3537	#Symbol::delete_package __PACKAGE__;	3709	#clear_package __PACKAGE__;
3538		3710
3539	warn "unload completed, starting to reload now";	3711	warn "unload completed, starting to reload now";
3540		3712
3541	warn "reloading cf.pm";	3713	warn "reloading cf.pm";
3542	require cf;	3714	require cf;
3543	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3544		3716
3545	warn "loading config and database again";	3717	warn "loading config and database again";
3546	cf::reload_config;	3718	cf::reload_config;
3547		3719
3548	warn "loading extensions";	3720	warn "loading extensions";
3549	cf::load_extensions;	3721	cf::load_extensions;
3550		3722
		3723	if ($REATTACH_ON_RELOAD) {
3551	warn "reattaching attachments to objects/players";	3724	warn "reattaching attachments to objects/players";
3552	_global_reattach; # objects, sockets	3725	_global_reattach; # objects, sockets
3553	warn "reattaching attachments to maps";	3726	warn "reattaching attachments to maps";
3554	reattach $_ for values %MAP;	3727	reattach $_ for values %MAP;
3555	warn "reattaching attachments to players";	3728	warn "reattaching attachments to players";
3556	reattach $_ for values %PLAYER;	3729	reattach $_ for values %PLAYER;
		3730	}
3557		3731
		3732	warn "running post_init jobs";
		3733	(pop @POST_INIT)->(1) while @POST_INIT;
		3734
3558	warn "leaving sync_job";	3735	warn "leaving sync_job";
3559		3736
3560	1	3737	1
3561	} or do {	3738	} or do {
3562	warn $@;	3739	warn $@;
3563	warn "error while reloading, exiting.";	3740	cf::cleanup "error while reloading, exiting.";
3564	exit 1;
3565	};	3741	};
3566		3742
3567	warn "reloaded";	3743	warn "reloaded";
		3744	--$RELOAD;
		3745	}
		3746
		3747	$t1 = EV::time - $t1;
		3748	warn "reload completed in ${t1}s\n";
3568	};	3749	};
3569		3750
3570	our $RELOAD_WATCHER; # used only during reload	3751	our $RELOAD_WATCHER; # used only during reload
3571		3752
3572	sub reload_perl() {	3753	sub reload_perl() {
3573	# doing reload synchronously and two reloads happen back-to-back,	3754	# doing reload synchronously and two reloads happen back-to-back,
3574	# coro crashes during coro_state_free->destroy here.	3755	# coro crashes during coro_state_free->destroy here.
3575		3756
		3757	$RELOAD_WATCHER ||= cf::async {
		3758	Coro::AIO::aio_wait cache_extensions;
		3759
3576	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	3760	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3577	do_reload_perl;	3761	do_reload_perl;
3578	undef $RELOAD_WATCHER;	3762	undef $RELOAD_WATCHER;
		3763	};
3579	};	3764	};
3580	}	3765	}
3581		3766
3582	register_command "reload" => sub {	3767	register_command "reload" => sub {
3583	my ($who, $arg) = @_;	3768	my ($who, $arg) = @_;
…		…
3597		3782
3598	our @WAIT_FOR_TICK;	3783	our @WAIT_FOR_TICK;
3599	our @WAIT_FOR_TICK_BEGIN;	3784	our @WAIT_FOR_TICK_BEGIN;
3600		3785
3601	sub wait_for_tick {	3786	sub wait_for_tick {
3602	return unless $TICK_WATCHER->is_active;
3603	return if $Coro::current == $Coro::main;	3787	return if tick_inhibit || $Coro::current == $Coro::main;
3604		3788
3605	my $signal = new Coro::Signal;	3789	my $signal = new Coro::Signal;
3606	push @WAIT_FOR_TICK, $signal;	3790	push @WAIT_FOR_TICK, $signal;
3607	$signal->wait;	3791	$signal->wait;
3608	}	3792	}
3609		3793
3610	sub wait_for_tick_begin {	3794	sub wait_for_tick_begin {
3611	return unless $TICK_WATCHER->is_active;
3612	return if $Coro::current == $Coro::main;	3795	return if tick_inhibit || $Coro::current == $Coro::main;
3613		3796
3614	my $signal = new Coro::Signal;	3797	my $signal = new Coro::Signal;
3615	push @WAIT_FOR_TICK_BEGIN, $signal;	3798	push @WAIT_FOR_TICK_BEGIN, $signal;
3616	$signal->wait;	3799	$signal->wait;
3617	}	3800	}
3618		3801
3619	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	3802	sub tick {
3620	if ($Coro::current != $Coro::main) {	3803	if ($Coro::current != $Coro::main) {
3621	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3804	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622	unless ++$bug_warning > 10;	3805	unless ++$bug_warning > 10;
3623	return;	3806	return;
3624	}	3807	}
3625		3808
3626	$NOW = $tick_start = EV::now;
3627
3628	cf::server_tick; # one server iteration	3809	cf::server_tick; # one server iteration
3629
3630	$RUNTIME += $TICK;
3631	$NEXT_TICK = $_[0]->at;
3632		3810
3633	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3811	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3634	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	3812	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3635	Coro::async_pool {	3813	Coro::async_pool {
3636	$Coro::current->{desc} = "runtime saver";	3814	$Coro::current->{desc} = "runtime saver";
3637	write_runtime	3815	write_runtime_sync
3638	or warn "ERROR: unable to write runtime file: $!";	3816	or warn "ERROR: unable to write runtime file: $!";
3639	};	3817	};
3640	}	3818	}
3641		3819
3642	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3820	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
…		…
3644	}	3822	}
3645	while (my $sig = shift @WAIT_FOR_TICK) {	3823	while (my $sig = shift @WAIT_FOR_TICK) {
3646	$sig->send;	3824	$sig->send;
3647	}	3825	}
3648		3826
3649	$LOAD = ($NOW - $tick_start) / $TICK;	3827	$LOAD = ($NOW - $TICK_START) / $TICK;
3650	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3828	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651		3829
3652	_post_tick;	3830	if (0) {
3653	};	3831	if ($NEXT_TICK) {
3654	$TICK_WATCHER->priority (EV::MAXPRI);	3832	my $jitter = $TICK_START - $NEXT_TICK;
		3833	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3834	warn "jitter $JITTER\n";#d#
		3835	}
		3836	}
		3837	}
3655		3838
3656	{	3839	{
3657	# configure BDB	3840	# configure BDB
3658		3841
3659	BDB::min_parallel 8;	3842	BDB::min_parallel 8;
3660	BDB::max_poll_reqs $TICK * 0.1;	3843	BDB::max_poll_reqs $TICK * 0.1;
3661	$Coro::BDB::WATCHER->priority (1);	3844	$AnyEvent::BDB::WATCHER->priority (1);
3662		3845
3663	unless ($DB_ENV) {	3846	unless ($DB_ENV) {
3664	$DB_ENV = BDB::db_env_create;	3847	$DB_ENV = BDB::db_env_create;
3665	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	3848	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3666	| BDB::LOG_AUTOREMOVE, 1);	3849	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3850	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3667	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	3851	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	3852	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669		3853
3670	cf::sync_job {	3854	cf::sync_job {
3671	eval {	3855	eval {
…		…
3697	{	3881	{
3698	# configure IO::AIO	3882	# configure IO::AIO
3699		3883
3700	IO::AIO::min_parallel 8;	3884	IO::AIO::min_parallel 8;
3701	IO::AIO::max_poll_time $TICK * 0.1;	3885	IO::AIO::max_poll_time $TICK * 0.1;
3702	$Coro::AIO::WATCHER->priority (1);	3886	undef $AnyEvent::AIO::WATCHER;
3703	}	3887	}
3704		3888
3705	my $_log_backtrace;	3889	my $_log_backtrace;
3706		3890
3707	sub _log_backtrace {	3891	sub _log_backtrace {
…		…
3710	$msg =~ s/\n//;	3894	$msg =~ s/\n//;
3711		3895
3712	# limit the # of concurrent backtraces	3896	# limit the # of concurrent backtraces
3713	if ($_log_backtrace < 2) {	3897	if ($_log_backtrace < 2) {
3714	++$_log_backtrace;	3898	++$_log_backtrace;
		3899	my $perl_bt = Carp::longmess $msg;
3715	async {	3900	async {
3716	$Coro::current->{desc} = "abt $msg";	3901	$Coro::current->{desc} = "abt $msg";
3717		3902
3718	my @bt = fork_call {	3903	my @bt = fork_call {
3719	@addr = map { sprintf "%x", $_ } @addr;	3904	@addr = map { sprintf "%x", $_ } @addr;
…		…
3730	}	3915	}
3731		3916
3732	@funcs	3917	@funcs
3733	};	3918	};
3734		3919
3735	LOG llevInfo, "[ABT] $msg\n";	3920	LOG llevInfo, "[ABT] $perl_bt\n";
		3921	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3736	LOG llevInfo, "[ABT] $_\n" for @bt;	3922	LOG llevInfo, "[ABT] $_\n" for @bt;
3737	--$_log_backtrace;	3923	--$_log_backtrace;
3738	};	3924	};
3739	} else {	3925	} else {
3740	LOG llevInfo, "[ABT] $msg\n";	3926	LOG llevInfo, "[ABT] $msg\n";
3741	LOG llevInfo, "[ABT] [suppressed]\n";	3927	LOG llevInfo, "[ABT] [suppressed]\n";
3742	}	3928	}
3743	}	3929	}
3744		3930
3745	# load additional modules	3931	# load additional modules
3746	use cf::pod;	3932	require "cf/$_.pm" for @EXTRA_MODULES;
3747		3933
3748	END { cf::emergency_save }	3934	END { cf::emergency_save }
3749		3935
3750	1	3936	1
3751		3937

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