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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 2007 UTC vs.
Revision 1.610 by root, Tue Nov 20 14:40:01 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
95	binmode STDOUT;	166	binmode STDOUT;
96	binmode STDERR;	167	binmode STDERR;
97		168
98	# read virtual server time, if available	169	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
103	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
104		177
105	mkdir $_	178	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		180
108	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
109		182
110	sub cf::map::normalise;	183	sub cf::map::normalise;
111		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
112	#############################################################################	189	#############################################################################
113		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
114	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
115		203
116	=over 4	204	=over 4
117		205
118	=item $cf::UPTIME	206	=item $cf::UPTIME
119		207
120	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
121		224
122	=item $cf::RUNTIME	225	=item $cf::RUNTIME
123		226
124	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
125	every server tick.	228	every server tick.
126		229
127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
130		233
131	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
134	database environment.	237	database environment.
135		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
136	=item $cf::NOW	245	=item $cf::LOAD
137		246
138	The time of the last (current) server tick.	247	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		248
144	=item %cf::CFG	249	=item %cf::CFG
145		250
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	252	from wherever your confdir points to.
148		253
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		255
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
152	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
154		289
155	=back	290	=back
156		291
157	=cut	292	=cut
158		293
159	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	301	my $msg = join "", @_;
162		302
163	$msg .= "\n"	303	$msg .= "\n"
164	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
165		305
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		307
168	utf8::encode $msg;
169	LOG llevError, $msg;	308	LOG llevWarn, $msg;
170	};	309	};
171	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
172		324
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		332
180	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	334	# within the Safe compartment.
182	for my $pkg (qw(	335	for my $pkg (qw(
183	cf::global cf::attachable	336	cf::global cf::attachable
184	cf::object cf::object::player	337	cf::object cf::object::player
185	cf::client cf::player	338	cf::client cf::player
186	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
187	cf::map cf::party cf::region	341	cf::party cf::region
188	)) {	342	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	344	}
192		345
193	$Event::DIED = sub {	346	$EV::DIED = sub {
194	warn "error in event callback: @_";	347	warn "error in event callback: $@";
195	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
196		356
197	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
198		358
199	=over 4	359	=over 4
200		360
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	380	$d
221	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
222	}	382	}
223		383
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
225		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
226	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
227		437
228	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
229		439
230	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
231		441
232	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
233		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
234	=item cf::lock_wait $string	513	=item cf::lock_wait $string
235		514
236	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
237		516
238	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
239		518
240	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
243	returned.	522	returned.
244		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
245	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
247		529
248	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
249		531
250	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
251		533
252	=cut	534	=cut
253		535
254	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
255		537
256	sub lock_wait($) {	538	sub lock_wait($) {
257	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	540	}
265		541
266	sub lock_acquire($) {	542	sub lock_acquire($) {
267	my ($key) = @_;	543	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	544	}
279		545
280	sub lock_active($) {	546	sub lock_active($) {
281	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	548	}
285		549
286	sub freeze_mainloop {	550	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
288		552
289	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
291	};	623	}
292	$TICK_WATCHER->stop;	624	};
293	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
294	}	639	}
295		640
296	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
297		642
298	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		648
304	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
305		650
306	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
307		652
308	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
311		657
312	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
315	fast or be very important.	661	fast or be very important.
…		…
317	=cut	663	=cut
318		664
319	sub sync_job(&) {	665	sub sync_job(&) {
320	my ($job) = @_;	666	my ($job) = @_;
321		667
322	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
323	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
325		673
326	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	675
328	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
329		677
330	my $busy = 1;	678	my $busy = 1;
331	my @res;	679	my @res;
332		680
333	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	683	@res = eval { $job->() };
335	warn $@ if $@;	684	error $@ if $@;
336	undef $busy;	685	undef $busy;
337	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
338		687
339	while ($busy) {	688	while ($busy) {
340	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
341	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
342		699
343	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
344	} else {	701	} else {
345	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
346		703
…		…
366	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
367		724
368	$coro	725	$coro
369	}	726	}
370		727
371	sub write_runtime {	728	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		729
374	my $runtime = "$LOCALDIR/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
375		734
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
377	or return;
378		736
379	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
381	# 60 allows for the watchdog to kill the server.	739	}
382		740
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
384	and return;	742	my ($cb, @args) = @_;
385		743
386	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	745	cf::post_fork;
388	and return;	746	&$cb
		747	} @args;
389		748
390	close $fh	749	wantarray ? @res : $res[-1]
391	or return;	750	}
392		751
393	aio_rename "$runtime~", $runtime	752	sub objinfo {
394	and return;
395
396	1	753	(
		754	"counter value" => cf::object::object_count,
		755	"objects created" => cf::object::create_count,
		756	"objects destroyed" => cf::object::destroy_count,
		757	"freelist size" => cf::object::free_count,
		758	"allocated objects" => cf::object::objects_size,
		759	"active objects" => cf::object::actives_size,
		760	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
		788	}
		789
		790	=item $value = cf::db_get $family => $key
		791
		792	Returns a single value from the environment database.
		793
		794	=item cf::db_put $family => $key => $value
		795
		796	Stores the given C<$value> in the family. It can currently store binary
		797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
		804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
		825
		826	our $DB;
		827
		828	sub db_init {
		829	$DB ||= db_table "db";
		830	}
		831
		832	sub db_get($$) {
		833	my $key = "$_[0]/$_[1]";
		834
		835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
		838	BDB::db_get $DB, undef, $key, my $data;
		839
		840	$! ? ()
		841	: $data
		842	}
		843
		844	sub db_put($$$) {
		845	BDB::dbreq_pri 4;
		846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		847	}
		848
		849	=item cf::cache $id => [$paths...], $processversion => $process
		850
		851	Generic caching function that returns the value of the resource $id,
		852	caching and regenerating as required.
		853
		854	This function can block.
		855
		856	=cut
		857
		858	sub cache {
		859	my ($id, $src, $processversion, $process) = @_;
		860
		861	my $meta =
		862	join "\x00",
		863	$processversion,
		864	map {
		865	aio_stat $_
		866	and Carp::croak "$_: $!";
		867
		868	($_, (stat _)[7,9])
		869	} @$src;
		870
		871	my $dbmeta = db_get cache => "$id/meta";
		872	if ($dbmeta ne $meta) {
		873	# changed, we may need to process
		874
		875	my @data;
		876	my $md5;
		877
		878	for (0 .. $#$src) {
		879	$data[$_] = load_file $src->[$_];
		880	}
		881
		882	# if processing is expensive, check
		883	# checksum first
		884	if (1) {
		885	$md5 =
		886	join "\x00",
		887	$processversion,
		888	map {
		889	cf::cede_to_tick;
		890	($src->[$_], Digest::MD5::md5_hex $data[$_])
		891	} 0.. $#$src;
		892
		893
		894	my $dbmd5 = db_get cache => "$id/md5";
		895	if ($dbmd5 eq $md5) {
		896	db_put cache => "$id/meta", $meta;
		897
		898	return db_get cache => "$id/data";
		899	}
		900	}
		901
		902	my $t1 = EV::time;
		903	my $data = $process->(\@data);
		904	my $t2 = EV::time;
		905
		906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		907
		908	db_put cache => "$id/data", $data;
		909	db_put cache => "$id/md5" , $md5;
		910	db_put cache => "$id/meta", $meta;
		911
		912	return $data;
		913	}
		914
		915	db_get cache => "$id/data"
397	}	916	}
398		917
399	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
400		919
401	Log a datalog packet of the given type with the given key-value pairs.	920	Log a datalog packet of the given type with the given key-value pairs.
402		921
403	=cut	922	=cut
404		923
405	sub datalog($@) {	924	sub datalog($@) {
406	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	927	}
409		928
410	=back	929	=back
411		930
412	=cut	931	=cut
413		932
414	#############################################################################	933	#############################################################################
415		934
416	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
417		936
418	Many objects in crossfire are so-called attachable objects. That means you can	937	Many objects in deliantra are so-called attachable objects. That means you can
419	attach callbacks/event handlers (a collection of which is called an "attachment")	938	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
421		940
422	In the following description, CLASS can be any of C<global>, C<object>	941	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	942	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	943	Deliantra).
425		944
426	=over 4	945	=over 4
427		946
428	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
429		948
…		…
473	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
474		993
475	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
477		996
478	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
479	that are attached at load/instantiate time, thus the need for a name.	998	that are attached at load/instantiate time, thus the need for a name.
480		999
481	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
482		1001
483	=over 4	1002	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
593		1112
594	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1117
599	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
601		1120
602	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
607		1126
608	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1129
611	} elsif (ref $type) {	1130	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
613		1132
614	} else {	1133	} else {
615	shift @arg;	1134	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
617	}	1136	}
618	}	1137	}
619	}	1138	}
620		1139
621	sub _object_attach {	1140	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
632	}	1151	}
633		1152
634	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
635	} else {	1154	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1156	}
638		1157
639	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
640	}	1159	}
641		1160
…		…
643	if (ref $_[0]) {	1162	if (ref $_[0]) {
644	_object_attach @_;	1163	_object_attach @_;
645	} else {	1164	} else {
646	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
647	}	1166	}
		1167	_recalc_want;
648	};	1168	};
649		1169
650	# all those should be optimised	1170	# all those should be optimised
651	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1176	reattach ($obj);
657	} else {	1177	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
659	}	1179	}
		1180	_recalc_want;
660	};	1181	};
661		1182
662	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
664		1185
…		…
679	";	1200	";
680	die if $@;	1201	die if $@;
681	}	1202	}
682		1203
683	our $override;	1204	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1205	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		1206
686	sub override {	1207	sub override {
687	$override = 1;	1208	$override = 1;
688	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
689	}	1210	}
690		1211
691	sub do_invoke {	1212	sub do_invoke {
692	my $event = shift;	1213	my $event = shift;
693	my $callbacks = shift;	1214	my $callbacks = shift;
694		1215
695	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
696		1217
697	local $override;	1218	local $override;
698		1219
699	for (@$callbacks) {	1220	for (@$callbacks) {
700	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
701		1222
702	if ($@) {	1223	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1225	override;
706	}	1226	}
707		1227
708	return 1 if $override;	1228	return 1 if $override;
709	}	1229	}
710		1230
711	0	1231	0
712	}	1232	}
713		1233
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1235
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1237
718	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
719		1239
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1240	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	1241	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1243
724	=back	1244	=back
725		1245
726	=cut	1246	=cut
727		1247
728	#############################################################################	1248	#############################################################################
729	# object support	1249	# object support
		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
		1284	sub _can_merge {
		1285	my ($ob1, $ob2) = @_;
		1286
		1287	++$SLOW_MERGES;#d#
		1288
		1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
		1291	}
730		1292
731	sub reattach {	1293	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1295	my ($obj) = @_;
734		1296
		1297	# no longer needed after getting rid of delete_package?
735	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1298	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736		1299
737	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
738		1301
739	@$registry = ();	1302	@$registry = ();
740		1303
…		…
745	for (@$attach) {	1308	for (@$attach) {
746	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
748	}	1311	}
749	} else {	1312	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1314	}
752	}	1315	}
753	}	1316	}
754		1317
755	cf::attachable->attach (	1318	cf::attachable->attach (
756	prio => -1000000,	1319	prio => -1000000,
757	on_instantiate => sub {	1320	on_instantiate => sub {
758	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
759		1322
760	$data = from_json $data;	1323	$data = decode_json $data;
761		1324
762	for (@$data) {	1325	for (@$data) {
763	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
764		1327
765	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1344	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
783		1346
784	sync_job {	1347	sync_job {
785	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
788		1353
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	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;
		1359	aio_fsync $fh;
		1360	}
793	close $fh;	1361	aio_close $fh;
794		1362
795	if (@$objs) {	1363	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	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;
		1370	aio_fsync $fh;
		1371	}
801	close $fh;	1372	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
803	}	1374	}
804	} else {	1375	} else {
805	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
806	}	1377	}
807		1378
808	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1383	} else {
810	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
811	}	1385	}
812	} else {	1386	} else {
813	aio_unlink $filename;	1387	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
815	}	1389	}
816	}	1390	};
817	}	1391	}
818		1392
819	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
821		1395
…		…
833	or return;	1407	or return;
834		1408
835	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
837	or return;	1411	or return;
		1412
838	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
839	}	1415	}
840		1416
		1417	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
843	return ($data, $av);	1422	($data, $av)
844	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
845		1430
846	#############################################################################	1431	#############################################################################
847	# command handling &c	1432	# command handling &c
848		1433
849	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
850		1435
851	Register a callback for execution when the client sends the user command	1436	Register a callback for execution when the client sends the user command
852	$name.	1437	$name.
853		1438
854	=cut	1439	=cut
…		…
860	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
861		1446
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1448	}
864		1449
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
866		1451
867	Register a callbackf ro execution when the client sends an extcmd packet.	1452	Register a callback for execution when the client sends an (synchronous)
		1453	extcmd packet. Ext commands will be processed in the order they are
		1454	received by the server, like other user commands. The first argument is
		1455	the logged-in player. Ext commands can only be processed after a player
		1456	has logged in successfully.
868		1457
869	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
870	called.
871		1459
872	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
873		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
		1465	=item cf::register_exticmd $name => \&callback($ns,@args)
		1466
		1467	Register a callback for execution when the client sends an (asynchronous)
		1468	exticmd packet. Exti commands are processed by the server as soon as they
		1469	are received, i.e. out of order w.r.t. other commands. The first argument
		1470	is a client socket. Exti commands can be received anytime, even before
		1471	log-in.
		1472
		1473	The values will be sent back to the client.
		1474
		1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
874	sub register_extcmd {	1482	sub register_extcmd($$) {
875	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
876		1484
877	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
878	}	1486	}
879		1487
		1488	sub register_async_extcmd($$) {
		1489	my ($name, $cb) = @_;
		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
		1497	$EXTICMD{$name} = $cb;
		1498	}
		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
880	cf::player->attach (	1508	cf::player->attach (
881	on_command => sub {	1509	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
883		1511
884	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
885	or return;	1513	or return;
886		1514
…		…
891	cf::override;	1519	cf::override;
892	},	1520	},
893	on_extcmd => sub {	1521	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
895		1523
896	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1525
898	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
901	$pl->ext_reply ($msg->{msgid}, %reply);	1531	$pl,
		1532	sub {
		1533	$pl->ext_msg ("reply-$reply", @_)
		1534	if $reply;
		1535	},
		1536	@payload
		1537	);
		1538	} else {
		1539	my @reply;
		1540
		1541	if (my $cb = $EXTCMD{$type}) {
		1542	@reply = $cb->($pl, @payload);
902	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
903	}	1547	}
		1548
904	} else {	1549	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1551	}
907		1552
908	cf::override;	1553	cf::override;
909	},	1554	},
910	);	1555	);
911		1556
		1557	# "readahead" all extensions
912	sub load_extension {	1558	sub cache_extensions {
913	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
914		1560
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1564	}
940	die $@;
941	}	1565	};
942		1566
943	push @EXTS, $pkg;	1567	$grp
		1568	}
		1569
		1570	sub _ext_cfg_reg($$$$) {
		1571	my ($rvar, $varname, $cfgname, $default) = @_;
		1572
		1573	$cfgname = lc $varname
		1574	unless length $cfgname;
		1575
		1576	$EXT_CFG{$cfgname} = [$rvar, $default];
		1577
		1578	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
944	}	1579	}
945		1580
946	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
947	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1590	next unless -r $path;
949	eval {	1591
950	load_extension $ext;	1592	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1593	my $base = $1;
		1594	my $pkg = $1;
		1595	$pkg =~ s/[^[:word:]]/_/g;
		1596	$pkg = "ext::$pkg";
		1597
		1598	open my $fh, "<:utf8", $path
		1599	or die "$path: $!";
		1600
		1601	my $source = do { local $/; <$fh> };
		1602
		1603	my %ext = (
		1604	path => $path,
		1605	base => $base,
		1606	pkg => $pkg,
		1607	);
		1608
		1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1611
		1612	$ext{source} =
		1613	"package $pkg; use common::sense;\n"
		1614	. "#line 1 \"$path\"\n{\n"
		1615	. $source
		1616	. "\n};\n1";
		1617
		1618	$todo{$base} = \%ext;
		1619	}
		1620
		1621	my $pass = 0;
		1622	my %done;
		1623	while (%todo) {
		1624	my $progress;
		1625
		1626	++$pass;
		1627
		1628	ext:
		1629	while (my ($k, $v) = each %todo) {
		1630	for (split /,\s*/, $v->{meta}{depends}) {
		1631	next ext
		1632	unless exists $done{$_};
		1633	}
		1634
		1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1636
		1637	my $source = $v->{source};
		1638
		1639	# support "CONF varname :confname = default" pseudo-statements
		1640	$source =~ s{
		1641	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1642	}{
		1643	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1644	}gmxe;
		1645
		1646	my $active = eval $source;
		1647
		1648	if (length $@) {
		1649	error "$v->{path}: $@\n";
		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1652	if exists $v->{meta}{mandatory};
		1653
		1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1655	delete $todo{$k};
		1656	} else {
		1657	$done{$k} = delete $todo{$k};
		1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
		1663	}
951	1	1664	}
952	} or warn "$ext not loaded: $@";	1665
		1666	unless ($progress) {
		1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
		1676	}
953	}	1677	};
954	}	1678	}
955		1679
956	#############################################################################	1680	#############################################################################
957		1681
		1682	=back
		1683
958	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
959		1685
960	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
961		1687
962	=cut	1688	=cut
963		1689
964	package cf::player;	1690	package cf::player;
965		1691
966	use Coro::AIO;	1692	use Coro::AIO;
967		1693
968	=head3 cf::player	1694	=head3 cf::player
969		1695
970	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
971		1711
972	=item cf::player::find $login	1712	=item cf::player::find $login
973		1713
974	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
975		1715
…		…
994		1734
995	sub exists($) {	1735	sub exists($) {
996	my ($login) = @_;	1736	my ($login) = @_;
997		1737
998	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1000	}	1740	}
1001		1741
1002	sub find($) {	1742	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1744	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1755
1016	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1019	}	1765	}
1020	}	1766	}
1021	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1022		1781
1023	sub save($) {	1782	sub save($) {
1024	my ($pl) = @_;	1783	my ($pl) = @_;
1025		1784
1026	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1032		1791
1033	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1035		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1036	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1037	Coro::cede;	1801	cf::cede_to_tick;
1038	}	1802	}
1039		1803
1040	sub new($) {	1804	sub new($) {
1041	my ($login) = @_;	1805	my ($login) = @_;
1042		1806
…		…
1048	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1049		1813
1050	$self	1814	$self
1051	}	1815	}
1052		1816
		1817	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1818
		1819	=cut
		1820
		1821	sub send_msg {
		1822	my $ns = shift->ns
		1823	or return;
		1824	$ns->send_msg (@_);
		1825	}
		1826
1053	=item $pl->quit_character	1827	=item $pl->quit_character
1054		1828
1055	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1057		1831
…		…
1061	my ($pl) = @_;	1835	my ($pl) = @_;
1062		1836
1063	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1064		1838
1065	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1066	$pl->password ("*"); # this should lock out the player until we nuked the dir	1840	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1067		1841
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1071	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1072		1850
1073	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1110	or return [];	1888	or return [];
1111		1889
1112	my @logins;	1890	my @logins;
1113		1891
1114	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1118		1902
1119	utf8::decode $login;	1903	utf8::decode $login;
1120	push @logins, $login;	1904	push @logins, $login;
1121	}	1905	}
1122		1906
1123	\@logins	1907	\@logins
1124	}	1908	}
1125		1909
1126	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1127		1913
1128	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1129	player. May block.	1915	player. May block.
1130		1916
1131	=cut	1917	=cut
…		…
1149	}	1935	}
1150		1936
1151	\@paths	1937	\@paths
1152	}	1938	}
1153		1939
1154	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1155		1941
1156	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1157		1943
1158	=cut
1159
1160	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;
1162
1163	$msg{msgid} = $id;
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}
1167
1168	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1169		1945
1170	Sends an ext event to the client.	1946	Sends an ext event to the client.
1171		1947
1172	=cut	1948	=cut
1173		1949
1174	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1176		1952
1177	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1178	}	1954	}
1179		1955
1180	=head3 cf::region	1956	=head3 cf::region
1181		1957
1182	=over 4	1958	=over 4
…		…
1185		1961
1186	package cf::region;	1962	package cf::region;
1187		1963
1188	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1189		1965
1190	Tries to decuce the probable region for a map knowing only its path.	1966	Tries to decuce the likely region for a map knowing only its path.
1191		1967
1192	=cut	1968	=cut
1193		1969
1194	sub find_by_path($) {	1970	sub find_by_path($) {
1195	my ($path) = @_;	1971	my ($path) = @_;
1196		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1197	my ($match, $specificity);	1975	my ($match, $specificity);
1198		1976
1199	for my $region (list) {	1977	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1203	}	1981	}
1204	}	1982	}
1205		1983
…		…
1226	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1228		2006
1229	sub generate_random_map {	2007	sub generate_random_map {
1230	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1232	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	2013	}
1246		2014
1247	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1248		2016
1249	Register a handler for the map path matching the given regex at the	2017	Register a handler for the map path matching the given regex at the
…		…
1254		2022
1255	sub register {	2023	sub register {
1256	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	2025	my $pkg = caller;
1258		2026
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		2028
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	2030	}
1264		2031
1265	# also paths starting with '/'	2032	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		2034
1268	sub thawer_merge {	2035	sub thawer_merge {
1269	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1270		2037
1271	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1272	local $self->{path};	2039	local $self->{path};
1273	local $self->{load_path};	2040	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		2041
1277	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1278	}	2043	}
1279		2044
1280	sub normalise {	2045	sub normalise {
1281	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1282		2047
1283	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1284		2049
1285	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1286		2051
1287	# map plan:	2052	# map plan:
1288	#	2053	#
…		…
1303	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	2069	$path = "$base/$path";
1305	}	2070	}
1306		2071
1307	for ($path) {	2072	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1311	}	2075	}
1312		2076
1313	$path	2077	$path
…		…
1327	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1328	return $self;	2092	return $self;
1329	}	2093	}
1330	}	2094	}
1331		2095
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2097	()
1334	}	2098	}
1335		2099
		2100	# may re-bless or do other evil things
1336	sub init {	2101	sub init {
1337	my ($self) = @_;	2102	my ($self) = @_;
1338		2103
1339	$self	2104	$self
1340	}	2105	}
…		…
1359		2124
1360	# the temporary/swap location	2125	# the temporary/swap location
1361	sub save_path {	2126	sub save_path {
1362	my ($self) = @_;	2127	my ($self) = @_;
1363		2128
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1366	}	2131	}
1367		2132
1368	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1369	sub uniq_path {	2134	sub uniq_path {
1370	my ($self) = @_;	2135	my ($self) = @_;
1371		2136
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1374	}	2139	}
1375		2140
1376	# and all this just because we cannot iterate over	2141	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2142	my ($self) = @_;
1380		2143
1381	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1383	}	2147	}
1384		2148
1385	sub unlink_save {	2149	sub unlink_save {
1386	my ($self) = @_;	2150	my ($self) = @_;
1387		2151
…		…
1392		2156
1393	sub load_header_from($) {	2157	sub load_header_from($) {
1394	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1395		2159
1396	utf8::encode $path;	2160	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2162	or return;
1402		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1403	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1404		2171
1405	1	2172	1
1406	}	2173	}
1407		2174
		2175	# used to laod the header of an original map
1408	sub load_header_orig {	2176	sub load_header_orig {
1409	my ($self) = @_;	2177	my ($self) = @_;
1410		2178
1411	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1412	}	2180	}
1413		2181
		2182	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2183	sub load_header_temp {
1415	my ($self) = @_;	2184	my ($self) = @_;
1416		2185
1417	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1418	}	2187	}
1419		2188
		2189	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2190	sub prepare_temp {
1421	my ($self) = @_;	2191	my ($self) = @_;
1422		2192
1423	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1425	# safety	2195	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2198	}
1429		2199
		2200	# called after loading the header from an original map
1430	sub prepare_orig {	2201	sub prepare_orig {
1431	my ($self) = @_;	2202	my ($self) = @_;
1432		2203
1433	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2216	$self->load_header_orig
1446	or return;	2217	or return;
1447	$self->prepare_orig;	2218	$self->prepare_orig;
1448	}	2219	}
1449		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1450	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2225	unless $self->default_region;
1452		2226
1453	1	2227	1
1454	}	2228	}
1455		2229
1456	sub find;	2230	sub find;
1457	sub find {	2231	sub find {
1458	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1459		2233
		2234	cf::cede_to_tick;
		2235
1460	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1461		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2240
1464	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1467	or return;	2243	or return;
1468		2244
1469	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1470		2246
1471	$map->load_header	2247	$map->load_header
1472	or return;	2248	or return;
1473		2249
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1477	$map->reset;	2255	$map->reset;
1478	undef $guard;
1479	return find $path;	2256	return find $path;
1480	}	2257	}
1481		2258
1482	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1483	}	2260	}
1484	}	2261	}
1485		2262
1486	sub pre_load { }	2263	sub pre_load { }
1487	sub post_load { }	2264	#sub post_load { } # XS
1488		2265
1489	sub load {	2266	sub load {
1490	my ($self) = @_;	2267	my ($self) = @_;
1491		2268
1492	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1493		2270
1494	my $path = $self->{path};	2271	my $path = $self->{path};
1495		2272
1496	{	2273	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1498		2275
		2276	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2278
1503	$self->alloc;	2279	$self->alloc;
1504		2280
1505	$self->pre_load;	2281	$self->pre_load;
1506	Coro::cede;	2282	cf::cede_to_tick;
1507		2283
1508	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1509	or return;	2288	or return;
1510		2289
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1512	if delete $self->{load_original};	2291	if delete $self->{load_original};
1513		2292
1514	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2294	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2297	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1519	}	2302	}
1520	}
1521		2303
1522	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1523	# now do the right thing for maps	2313	# now do the right thing for maps
1524	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2316	unless $self->difficulty;
1527	Coro::cede;	2317	cf::cede_to_tick;
1528		2318
1529	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2320	$self->decay_objects;
1531	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1532	$self->update_buttons;	2322	$self->update_buttons;
1533	Coro::cede;	2323	cf::cede_to_tick;
1534	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2325	}
1538		2326
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1540	}	2329	}
1541		2330
1542	$self->post_load;	2331	$self->post_load;
1543	}
1544		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
1545	sub customise_for {	2339	sub customise_for {
1546	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1547		2341
1548	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2343	if $self->per_player;
1550		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1551	$self	2348	$self
1552	}
1553
1554	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {
1556	my ($map) = @_;
1557
1558	my @diag; # diagonal neighbours
1559
1560	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)
1562	or next;
1563	$neigh = find $neigh, $map
1564	or next;
1565	$neigh->load;
1566
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}
1570
1571	for (@diag) {
1572	my $neigh = find @$_
1573	or next;
1574	$neigh->load;
1575	}
1576	}	2349	}
1577		2350
1578	sub find_sync {	2351	sub find_sync {
1579	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1580		2353
1581	cf::sync_job { find $path, $origin }	2354	# it's a bug to call this from the main context
		2355	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2356	if $Coro::current == $Coro::main;
		2357
		2358	find $path, $origin
1582	}	2359	}
1583		2360
1584	sub do_load_sync {	2361	sub do_load_sync {
1585	my ($map) = @_;	2362	my ($map) = @_;
1586		2363
1587	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1588	}	2369	}
1589		2370
1590	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1592		2373
1593	sub find_async {	2374	sub find_async {
1594	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1595		2376
1596	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1597		2378
1598	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1600	}	2381	}
1601		2382
1602	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1603	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1604	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2390	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2391	$map->load if $v;
		2392	}
1609		2393
1610	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1611	}	2395	}
1612	}	2396	}
1613	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1614	};	2398	};
1615	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1616		2400
1617	()	2401	()
1618	}	2402	}
1619		2403
		2404	# common code, used by both ->save and ->swapout
1620	sub save {	2405	sub _save {
1621	my ($self) = @_;	2406	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2407
1625	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1626		2409
1627	return unless $self->dirty;	2410	return unless $self->dirty;
1628		2411
…		…
1634	return if $self->{deny_save};	2417	return if $self->{deny_save};
1635		2418
1636	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1637		2420
1638	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1640	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1641		2427
1642	if ($uniq) {	2428	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2431	} else {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647	}	2433	}
1648	}	2434	}
1649		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1650	sub swap_out {	2444	sub swap_out {
1651	my ($self) = @_;	2445	my ($self) = @_;
1652		2446
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1658	return if $self->players;	2451	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
1662	$self->clear;	2462	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2463	}
1665		2464
1666	sub reset_at {	2465	sub reset_at {
1667	my ($self) = @_;	2466	my ($self) = @_;
1668		2467
1669	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1672		2470
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2473
…		…
1686	my ($self) = @_;	2484	my ($self) = @_;
1687		2485
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2487
1690	return if $self->players;	2488	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2489
1693	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1694		2491
1695	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1696		2493
1697	# need to save uniques path	2494	# need to save uniques path
1698	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2497
…		…
1702	if $uniq;	2499	if $uniq;
1703	}	2500	}
1704		2501
1705	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1706		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2506	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2507
1711	$self->unlink_save;	2508	$self->unlink_save;
1712	$self->destroy;	2509	$self->destroy;
1713	}	2510	}
1714		2511
1715	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1716		2513
1717	sub nuke {	2514	sub nuke {
1718	my ($self) = @_;	2515	my ($self) = @_;
1719		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1720	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1721		2521
1722	$self->unlink_save;	2522	$self->unlink_save;
1723		2523
1724	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2529
1730	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1731		2532
1732	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
		2534	}
		2535
		2536	=item $maps = cf::map::tmp_maps
		2537
		2538	Returns an arrayref with all map paths of currently instantiated and saved
		2539	maps. May block.
		2540
		2541	=cut
		2542
		2543	sub tmp_maps() {
		2544	[
		2545	map {
		2546	utf8::decode $_;
		2547	/\.map$/
		2548	? normalise $_
		2549	: ()
		2550	} @{ aio_readdir $TMPDIR or [] }
		2551	]
		2552	}
		2553
		2554	=item $maps = cf::map::random_maps
		2555
		2556	Returns an arrayref with all map paths of currently instantiated and saved
		2557	random maps. May block.
		2558
		2559	=cut
		2560
		2561	sub random_maps() {
		2562	[
		2563	map {
		2564	utf8::decode $_;
		2565	/\.map$/
		2566	? normalise "?random/$_"
		2567	: ()
		2568	} @{ aio_readdir $RANDOMDIR or [] }
		2569	]
1733	}	2570	}
1734		2571
1735	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1736		2573
1737	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2575	instantiated unique items. May block.
1739		2576
1740	=cut	2577	=cut
1741		2578
1742	sub unique_maps() {	2579	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2580	[
1744	or return;	2581	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2582	utf8::decode $_;
1750	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2585	? ()
1753	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2588	]
1755
1756	\@paths
1757	}	2589	}
1758		2590
1759	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
1760		2622
1761	=back	2623	=back
1762		2624
1763	=head3 cf::object	2625	=head3 cf::object
1764		2626
…		…
1768		2630
1769	=over 4	2631	=over 4
1770		2632
1771	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1772		2634
1773	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
1774		2637
1775	=cut	2638	=cut
1776		2639
1777	sub inv_recursive_;	2640	sub inv_recursive_;
1778	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1781		2644
1782	sub inv_recursive {	2645	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1784	}	2647	}
1785		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
1786	package cf;	2677	package cf;
1787		2678
1788	=back	2679	=back
1789		2680
1790	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1796	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
1798	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1799		2690
1800	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
1801		2706
1802	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2708	# with dialog boxes.
1804	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
1805	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1807		2712
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2714
1810	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1812	} else {	2718	} else {
		2719	my $pl = $self->contr;
		2720
		2721	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2722	my $dialog = $pl->{npc_dialog};
		2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2724
		2725	} else {
1813	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1815	}	2729	}
		2730	}
		2731
		2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2733
		2734	=cut
		2735
		2736	sub cf::object::send_msg {
		2737	my $pl = shift->contr
		2738	or return;
		2739	$pl->send_msg (@_);
1816	}	2740	}
1817		2741
1818	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1819		2743
1820	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1833		2757
1834	=item $player_object->enter_link	2758	=item $player_object->enter_link
1835		2759
1836	Freezes the player and moves him/her to a special map (C<{link}>).	2760	Freezes the player and moves him/her to a special map (C<{link}>).
1837		2761
1838	The player should be reasonably safe there for short amounts of time. You	2762	The player should be reasonably safe there for short amounts of time (e.g.
1839	I<MUST> call C<leave_link> as soon as possible, though.	2763	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2764	though, as the player cannot control the character while it is on the link
		2765	map.
1840		2766
1841	Will never block.	2767	Will never block.
1842		2768
1843	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1844		2770
…		…
1864	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2791	my ($self) = @_;
1866		2792
1867	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1868		2794
		2795	++$self->{_link_recursion};
		2796
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2798
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1873		2801
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2803	}
1876		2804
1877	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1879		2809
1880	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1881		2811
1882	unless ($map) {	2812	unless ($map) {
1883	# restore original map position	2813	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1896		2826
1897	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1900		2830
1901	$map->load;	2831	$map->load;
1902	$map->load_diag;
1903		2832
1904	return unless $self->contr->active;	2833	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2834
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1909	}	2837	# entering was successful
1910		2838	delete $self->{_link_recursion};
1911	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2840	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2841	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2842
1925	# try to abort aborted map switching on player login :)	2843	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2844
1943	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2846
		2847	Moves the player to the given map-path and coordinates by first freezing
		2848	her, loading and preparing them map, calling the provided $check callback
		2849	that has to return the map if sucecssful, and then unfreezes the player on
		2850	the new (success) or old (failed) map position. In either case, $done will
		2851	be called at the end of this process.
		2852
		2853	Note that $check will be called with a potentially non-loaded map, so if
		2854	it needs a loaded map it has to call C<< ->load >>.
		2855
1945	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1946		2859
1947	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	2861	my ($self, $path, $x, $y, $check, $done) = @_;
		2862
		2863	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2864	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2865	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2866	($path, $x, $y) = @$EMERGENCY_POSITION;
		2867	}
		2868
		2869	# do generation counting so two concurrent goto's will be executed in-order
		2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2871
1950	$self->enter_link;	2872	$self->enter_link;
1951		2873
1952	(async {	2874	(async {
		2875	$Coro::current->{desc} = "player::goto $path $x $y";
		2876
		2877	# *tag paths override both path and x|y
		2878	if ($path =~ /^\*(.*)$/) {
		2879	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2880	my $ob = $obs[rand @obs];
		2881
		2882	# see if we actually can go there
		2883	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2884	$ob = $obs[rand @obs];
		2885	} else {
		2886	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2887	}
		2888	# else put us there anyways for now #d#
		2889
		2890	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2891	} else {
		2892	($path, $x, $y) = (undef, undef, undef);
		2893	}
		2894	}
		2895
1953	my $map = eval {	2896	my $map = eval {
1954	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2900	$map = $map->customise_for ($self);
		2901	$map = $check->($map, $x, $y, $self) if $check && $map;
		2902	} else {
		2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2904	}
		2905
1956	$map	2906	$map
		2907	};
		2908
		2909	if ($@) {
		2910	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2911	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2912	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1961	})->prio (1);	2920	})->prio (1);
1962	}	2921	}
1963		2922
1964	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1965		2924
…		…
1985	}	2944	}
1986		2945
1987	sub prepare_random_map {	2946	sub prepare_random_map {
1988	my ($exit) = @_;	2947	my ($exit) = @_;
1989		2948
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2951	# that depends on the exit object
1995		2952
1996	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2955	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2003	}	2962	}
2004		2963
2005	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2006		2965
2007	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2010		2969
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2972	undef $fh;
2014	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2015		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2018	}	2981	}
2019	}	2982	}
2020		2983
2021	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2023		2986
2024	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2025		2988
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2989	$self->enter_link;
2038		2990
2039	(async {	2991	(async {
2040	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2041	unless (eval {	2994	unless (eval {
		2995	$self->deactivate_recursive; # just to be sure
		2996
		2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2998	my $x = $exit->stats->hp;
		2999	my $y = $exit->stats->sp;
		3000
		3001	# special map handling
		3002	my $slaying = $exit->slaying;
		3003
		3004	# special map handling
		3005	if ($slaying eq "/!") {
		3006	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3007
		3008	prepare_random_map $exit
		3009	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3010
		3011	$map = $exit->slaying;
		3012
		3013	} elsif ($slaying eq '!up') {
		3014	$map = $exit->map->tile_path (cf::TILE_UP);
		3015	$x = $exit->x;
		3016	$y = $exit->y;
		3017
		3018	} elsif ($slaying eq '!down') {
		3019	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3020	$x = $exit->x;
		3021	$y = $exit->y;
		3022	}
		3023
2042	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2043		3025
		3026	# if exit is damned, update players death & WoR home-position
		3027	$self->contr->savebed ($map, $x, $y)
		3028	if $exit->flag (cf::FLAG_DAMNED);
		3029
2044	1;	3030	1
2045	}) {	3031	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "I'll try to bring you back to the map you were before. "	3033	. "I'll try to bring you back to the map you were before. "
2048	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2050		3036
2051	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	3038	$self->leave_link;
2053	}	3039	}
2054	})->prio (1);	3040	})->prio (1);
2055	}	3041	}
2056		3042
2057	=head3 cf::client	3043	=head3 cf::client
2058		3044
2059	=over 4	3045	=over 4
2060		3046
2061	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2062		3048
2063	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2064	should not be used under normal circumstances.	3050	them as required.
2065		3051
2066	=cut	3052	=cut
2067		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
		3056	sub cf::client::send_big_packet {
		3057	my ($self, $pkt) = @_;
		3058
		3059	# try lzf for large packets
		3060	$pkt = "lzf " . Compress::LZF::compress $pkt
		3061	if 1024 <= length $pkt and $self->{can_lzf};
		3062
		3063	# split very large packets
		3064	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3065	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3066	$pkt = "frag";
		3067	}
		3068
		3069	$self->send_packet ($pkt);
		3070	}
		3071
		3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3073
		3074	Send a msg packet to the client, formatting the msg for the client if
		3075	necessary. C<$type> should be a string identifying the type of the
		3076	message, with C<log> being the default. If C<$color> is negative, suppress
		3077	the message unless the client supports the msg packet.
		3078
		3079	=cut
		3080
		3081	# non-persistent channels (usually the info channel)
		3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
		3089	"c/identify" => {
		3090	id => "infobox",
		3091	title => "Identify",
		3092	reply => undef,
		3093	tooltip => "Items recently identified",
		3094	},
		3095	"c/examine" => {
		3096	id => "infobox",
		3097	title => "Examine",
		3098	reply => undef,
		3099	tooltip => "Signs and other items you examined",
		3100	},
		3101	"c/shopinfo" => {
		3102	id => "infobox",
		3103	title => "Shop Info",
		3104	reply => undef,
		3105	tooltip => "What your bargaining skill tells you about the shop",
		3106	},
		3107	"c/book" => {
		3108	id => "infobox",
		3109	title => "Book",
		3110	reply => undef,
		3111	tooltip => "The contents of a note or book",
		3112	},
		3113	"c/lookat" => {
		3114	id => "infobox",
		3115	title => "Look",
		3116	reply => undef,
		3117	tooltip => "What you saw there",
		3118	},
		3119	"c/who" => {
		3120	id => "infobox",
		3121	title => "Players",
		3122	reply => undef,
		3123	tooltip => "Shows players who are currently online",
		3124	},
		3125	"c/body" => {
		3126	id => "infobox",
		3127	title => "Body Parts",
		3128	reply => undef,
		3129	tooltip => "Shows which body parts you posess and are available",
		3130	},
		3131	"c/statistics" => {
		3132	id => "infobox",
		3133	title => "Statistics",
		3134	reply => undef,
		3135	tooltip => "Shows your primary statistics",
		3136	},
		3137	"c/skills" => {
		3138	id => "infobox",
		3139	title => "Skills",
		3140	reply => undef,
		3141	tooltip => "Shows your experience per skill and item power",
		3142	},
		3143	"c/shopitems" => {
		3144	id => "infobox",
		3145	title => "Shop Items",
		3146	reply => undef,
		3147	tooltip => "Shows the items currently for sale in this shop",
		3148	},
		3149	"c/resistances" => {
		3150	id => "infobox",
		3151	title => "Resistances",
		3152	reply => undef,
		3153	tooltip => "Shows your resistances",
		3154	},
		3155	"c/pets" => {
		3156	id => "infobox",
		3157	title => "Pets",
		3158	reply => undef,
		3159	tooltip => "Shows information abotu your pets/a specific pet",
		3160	},
		3161	"c/perceiveself" => {
		3162	id => "infobox",
		3163	title => "Perceive Self",
		3164	reply => undef,
		3165	tooltip => "You gained detailed knowledge about yourself",
		3166	},
		3167	"c/uptime" => {
		3168	id => "infobox",
		3169	title => "Uptime",
		3170	reply => undef,
		3171	tooltip => "How long the server has been running since last restart",
		3172	},
		3173	"c/mapinfo" => {
		3174	id => "infobox",
		3175	title => "Map Info",
		3176	reply => undef,
		3177	tooltip => "Information related to the maps",
		3178	},
		3179	"c/party" => {
		3180	id => "party",
		3181	title => "Party",
		3182	reply => "gsay ",
		3183	tooltip => "Messages and chat related to your party",
		3184	},
		3185	"c/death" => {
		3186	id => "death",
		3187	title => "Death",
		3188	reply => undef,
		3189	tooltip => "Reason for and more info about your most recent death",
		3190	},
		3191	"c/fatal" => {
		3192	id => "fatal",
		3193	title => "Fatal Error",
		3194	reply => undef,
		3195	tooltip => "Reason for the server disconnect",
		3196	},
		3197	"c/say" => $SAY_CHANNEL,
		3198	"c/chat" => $CHAT_CHANNEL,
		3199	);
		3200
2068	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2069	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2070		3203
2071	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2072	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2073	}
2074		3206
		3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3208
		3209	# check predefined channels, for the benefit of C
		3210	if ($CHANNEL{$channel}) {
		3211	$channel = $CHANNEL{$channel};
		3212
		3213	$self->ext_msg (channel_info => $channel);
		3214	$channel = $channel->{id};
		3215
		3216	} elsif (ref $channel) {
		3217	# send meta info to client, if not yet sent
		3218	unless (exists $self->{channel}{$channel->{id}}) {
		3219	$self->{channel}{$channel->{id}} = $channel;
		3220	$self->ext_msg (channel_info => $channel);
		3221	}
		3222
		3223	$channel = $channel->{id};
		3224	}
		3225
		3226	return unless @extra || length $msg;
		3227
		3228	# default colour, mask it out
		3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3230	if $color & cf::NDI_DEF;
		3231
		3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
		3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3235	);
		3236
		3237	$self->send_big_packet ($pkt);
		3238	}
		3239
2075	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2076		3241
2077	Sends an exti event to the client.	3242	Sends an ext event to the client.
2078		3243
2079	=cut	3244	=cut
2080		3245
2081	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2083		3248
2084	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2085	$self->send_packet ("ext " . cf::to_json \%msg);
2086	}	3250	}
2087		3251
2088	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2089		3253
2090	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2091	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3255	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3256	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093		3257
2094	Queries can fail, so check the return code. Or don't, as queries will become	3258	Queries can fail, so check the return code. Or don't, as queries will
2095	reliable at some point in the future.	3259	become reliable at some point in the future.
2096		3260
2097	=cut	3261	=cut
2098		3262
2099	sub cf::client::query {	3263	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3272	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3274
2111	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2113	}	3317	}
2114		3318
2115	cf::client->attach (	3319	cf::client->attach (
		3320	on_connect => sub {
		3321	my ($ns) = @_;
		3322
		3323	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3324	},
2116	on_reply => sub {	3325	on_reply => sub {
2117	my ($ns, $msg) = @_;	3326	my ($ns, $msg) = @_;
2118		3327
2119	# this weird shuffling is so that direct followup queries	3328	# this weird shuffling is so that direct followup queries
2120	# get handled first	3329	# get handled first
…		…
2132	} else {	3341	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3342	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3343	}
2135	}	3344	}
2136	},	3345	},
		3346	on_exticmd => sub {
		3347	my ($ns, $buf) = @_;
		3348
		3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3350
		3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
		3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
		3372	}
		3373	} else {
		3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3375	}
		3376
		3377	cf::override;
		3378	},
2137	);	3379	);
2138		3380
2139	=item $client->async (\&cb)	3381	=item $client->async (\&cb)
2140		3382
2141	Create a new coroutine, running the specified callback. The coroutine will	3383	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3399
2158	$coro	3400	$coro
2159	}	3401	}
2160		3402
2161	cf::client->attach (	3403	cf::client->attach (
2162	on_destroy => sub {	3404	on_client_destroy => sub {
2163	my ($ns) = @_;	3405	my ($ns) = @_;
2164		3406
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3408	},
2167	);	3409	);
…		…
2182	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2184		3426
2185	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2186		3428
2187	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2188		3434
2189	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2190		3436
2191	=pod	3437	=pod
2192		3438
2193	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2194		3440
2195	cf::object contr pay_amount pay_player map	3441	cf::object
		3442	contr pay_amount pay_player map x y force_find force_add destroy
		3443	insert remove name archname title slaying race decrease split
		3444	value
		3445
2196	cf::object::player player	3446	cf::object::player
2197	cf::player peaceful	3447	player
2198	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2199		3454
2200	=cut	3455	=cut
2201		3456
2202	for (	3457	for (
2203	["cf::object" => qw(contr pay_amount pay_player map)],	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2204	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2207	) {	3464	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3467	for @funs;
2212	}	3468	}
2213		3469
…		…
2228		3484
2229	my $qcode = $code;	3485	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2232		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2233	local $_;	3492	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3493
2236	my $eval =	3494	my $eval =
2237	"do {\n"	3495	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3498	. $code
2241	. "\n}"	3499	. "\n}"
2242	;	3500	;
2243		3501
		3502	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2247		3511
2248	if ($@) {	3512	if ($@) {
2249	warn "$@";	3513	warn "$@",
2250	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2252	}	3516	}
2253		3517
2254	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2255	}	3519	}
2256		3520
…		…
2270	=cut	3534	=cut
2271		3535
2272	sub register_script_function {	3536	sub register_script_function {
2273	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2274		3538
2275	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2277	}	3541	}
2278		3542
2279	=back	3543	=back
2280		3544
2281	=cut	3545	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3546
2456	#############################################################################	3547	#############################################################################
2457	# the server's init and main functions	3548	# the server's init and main functions
2458		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2459	sub load_facedata($) {	3627	sub load_facedata($) {
2460	my ($path) = @_;	3628	my ($path) = @_;
2461		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2462	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2463		3633
2464	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2465	0 < aio_load $path, $facedata
2466	or die "$path: $!";
2467
2468	$facedata = Coro::Storable::thaw $facedata;
2469		3635
2470	$facedata->{version} == 2	3636	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2472		3647
2473	{	3648	{
2474	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2475		3650
2476	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3655	cf::face::set_visibility $idx, $info->{visibility};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2481	Coro::cede;	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2482	}	3662	}
2483		3663
2484	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2486	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2487	or next;	3668	or next;
		3669
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
		3671	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3673	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3675	}
2493	Coro::cede;
2494	}	3676	}
2495	}	3677	}
2496		3678
2497	{	3679	{
2498	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2499		3681
2500	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;
2503	}	3684	}
2504		3685
2505	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2506	}	3687	}
2507		3688
		3689	{
		3690	my $res = $facedata->{resource};
		3691
		3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
		3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
		3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
		3705	}
		3706	}
		3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
2508	1	3723	1
2509	}	3724	}
2510		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2511	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2512	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2513	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
		3765
		3766	for (cf::region::list) {
		3767	$_->{match} = qr/$_->{match}/
		3768	if exists $_->{match};
		3769	}
2514	}	3770	}
2515		3771
2516	sub reload_facedata {	3772	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2518	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2519	}	3775	}
2520		3776
2521	sub reload_archetypes {	3777	sub reload_archetypes {
2522	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2523	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
2524	}	3792	}
2525		3793
2526	sub reload_treasures {	3794	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3795	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3796	or die "unable to load treasurelists\n";
2529	}	3797	}
2530		3798
		3799	sub reload_sound {
		3800	trace "loading sound config from $DATADIR/sound\n";
		3801
		3802	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3803
		3804	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3805	my $sound = $soundconf->{compat}[$_]
		3806	or next;
		3807
		3808	my $face = cf::face::find "sound/$sound->[1]";
		3809	cf::sound::set $sound->[0] => $face;
		3810	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3811	}
		3812
		3813	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3814	my $face = cf::face::find "sound/$v";
		3815	cf::sound::set $k => $face;
		3816	}
		3817	}
		3818
2531	sub reload_resources {	3819	sub reload_resources {
2532	warn "reloading resource files...\n";	3820	trace "reloading resource files...\n";
2533		3821
		3822	reload_materials;
		3823	reload_facedata;
		3824	reload_exp_table;
		3825	reload_sound;
		3826	reload_archetypes;
2534	reload_regions;	3827	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3828	reload_treasures;
2538		3829
2539	warn "finished reloading resource files\n";	3830	trace "finished reloading resource files\n";
2540	}	3831	}
2541		3832
2542	sub init {	3833	sub reload_config {
2543	reload_resources;	3834	trace "reloading config file...\n";
2544	}
2545		3835
2546	sub cfg_load {	3836	my $config = load_file "$CONFDIR/config";
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3837	utf8::decode $config;
2548	or return;	3838	*CFG = decode_yaml $config;
2549		3839
2550	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;
2552
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3840	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3841
2555	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3842	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3843	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557		3844
2558	if (exists $CFG{mlockall}) {	3845	if (exists $CFG{mlockall}) {
…		…
2562	};	3849	};
2563	warn $@ if $@;	3850	warn $@ if $@;
2564	}	3851	}
2565	}	3852	}
2566		3853
		3854	sub pidfile() {
		3855	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3856	or die "$PIDFILE: $!";
		3857	flock $fh, &Fcntl::LOCK_EX
		3858	or die "$PIDFILE: flock: $!";
		3859	$fh
		3860	}
		3861
		3862	# make sure only one server instance is running at any one time
		3863	sub atomic {
		3864	my $fh = pidfile;
		3865
		3866	my $pid = <$fh>;
		3867	kill 9, $pid if $pid > 0;
		3868
		3869	seek $fh, 0, 0;
		3870	print $fh $$;
		3871	}
		3872
		3873	sub main_loop {
		3874	trace "EV::loop starting\n";
		3875	if (1) {
		3876	EV::loop;
		3877	}
		3878	trace "EV::loop returned\n";
		3879	goto &main_loop unless $REALLY_UNLOOP;
		3880	}
		3881
2567	sub main {	3882	sub main {
		3883	cf::init_globals; # initialise logging
		3884
		3885	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3886	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3887	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3888	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3889
		3890	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3891
2568	# we must not ever block the main coroutine	3892	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3893	$Coro::idle = sub {
2570	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3894	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571	(async {	3895	(async {
2572	Event::one_event;	3896	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3897	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3898	})->prio (Coro::PRIO_MAX);
2574	};	3899	};
2575		3900
2576	cfg_load;	3901	evthread_start IO::AIO::poll_fileno;
		3902
		3903	cf::sync_job {
		3904	cf::incloader::init ();
		3905
2577	db_init;	3906	db_init;
		3907
		3908	cf::init_anim;
		3909	cf::init_attackmess;
		3910	cf::init_dynamic;
		3911
		3912	cf::load_settings;
		3913
		3914	reload_resources;
		3915	reload_config;
		3916
		3917	cf::init_uuid;
		3918	cf::init_signals;
		3919	cf::init_skills;
		3920
		3921	cf::init_beforeplay;
		3922
		3923	atomic;
		3924
2578	load_extensions;	3925	load_extensions;
2579		3926
2580	$TICK_WATCHER->start;	3927	utime time, time, $RUNTIMEFILE;
2581	Event::loop;	3928
		3929	# no (long-running) fork's whatsoever before this point(!)
		3930	use POSIX ();
		3931	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3932
		3933	cf::_post_init 0;
		3934	};
		3935
		3936	cf::object::thawer::errors_are_fatal 0;
		3937	info "parse errors in files are no longer fatal from this point on.\n";
		3938
		3939	AE::postpone {
		3940	undef &main; # free gobs of memory :)
		3941	};
		3942
		3943	goto &main_loop;
2582	}	3944	}
2583		3945
2584	#############################################################################	3946	#############################################################################
2585	# initialisation and cleanup	3947	# initialisation and cleanup
2586		3948
2587	# install some emergency cleanup handlers	3949	# install some emergency cleanup handlers
2588	BEGIN {	3950	BEGIN {
		3951	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3952	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3953	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3954	cf::cleanup "SIG$signal";
2597	},
2598	);	3955	};
		3956	}
		3957	}
		3958
		3959	sub write_runtime_sync {
		3960	my $t0 = AE::time;
		3961
		3962	# first touch the runtime file to show we are still running:
		3963	# the fsync below can take a very very long time.
		3964
		3965	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3966
		3967	my $guard = cf::lock_acquire "write_runtime";
		3968
		3969	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3970	or return;
		3971
		3972	my $value = $cf::RUNTIME + 90 + 10;
		3973	# 10 is the runtime save interval, for a monotonic clock
		3974	# 60 allows for the watchdog to kill the server.
		3975
		3976	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3977	and return;
		3978
		3979	# always fsync - this file is important
		3980	aio_fsync $fh
		3981	and return;
		3982
		3983	# touch it again to show we are up-to-date
		3984	aio_utime $fh, undef, undef;
		3985
		3986	close $fh
		3987	or return;
		3988
		3989	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3990	and return;
		3991
		3992	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3993
2599	}	3994	1
		3995	}
		3996
		3997	our $uuid_lock;
		3998	our $uuid_skip;
		3999
		4000	sub write_uuid_sync($) {
		4001	$uuid_skip ||= $_[0];
		4002
		4003	return if $uuid_lock;
		4004	local $uuid_lock = 1;
		4005
		4006	my $uuid = "$LOCALDIR/uuid";
		4007
		4008	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4009	or return;
		4010
		4011	my $value = uuid_seq uuid_cur;
		4012
		4013	unless ($value) {
		4014	info "cowardly refusing to write zero uuid value!\n";
		4015	return;
		4016	}
		4017
		4018	my $value = uuid_str $value + $uuid_skip;
		4019	$uuid_skip = 0;
		4020
		4021	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4022	and return;
		4023
		4024	# always fsync - this file is important
		4025	aio_fsync $fh
		4026	and return;
		4027
		4028	close $fh
		4029	or return;
		4030
		4031	aio_rename "$uuid~", $uuid
		4032	and return;
		4033
		4034	trace "uuid file written ($value).\n";
		4035
		4036	1
		4037
		4038	}
		4039
		4040	sub write_uuid($$) {
		4041	my ($skip, $sync) = @_;
		4042
		4043	$sync ? write_uuid_sync $skip
		4044	: async { write_uuid_sync $skip };
2600	}	4045	}
2601		4046
2602	sub emergency_save() {	4047	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	4048	my $freeze_guard = cf::freeze_mainloop;
2604		4049
2605	warn "enter emergency perl save\n";	4050	info "emergency_perl_save: enter\n";
		4051
		4052	# this is a trade-off: we want to be very quick here, so
		4053	# save all maps without fsync, and later call a global sync
		4054	# (which in turn might be very very slow)
		4055	local $USE_FSYNC = 0;
2606		4056
2607	cf::sync_job {	4057	cf::sync_job {
		4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
2608	# use a peculiar iteration method to avoid tripping on perl	4060	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	4061	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	4062	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	4063	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	4064	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	4065	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	4066	$pl->valid or next;
		4067	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	4068	$pl->save;
2616	}	4069	}
2617	warn "end emergency player save\n";	4070	info "emergency_perl_save: end player save\n";
2618		4071
2619	warn "begin emergency map save\n";	4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
		4074	info "emergency_perl_save: begin map save\n";
2620	for my $path (keys %cf::MAP) {	4075	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	4076	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	4077	$map->valid or next;
2623	$map->save;	4078	$map->save;
2624	}	4079	}
2625	warn "end emergency map save\n";	4080	info "emergency_perl_save: end map save\n";
2626		4081
2627	warn "begin emergency database checkpoint\n";	4082	cf::write_runtime_sync; # external watchdog should not bark
		4083
		4084	info "emergency_perl_save: begin database checkpoint\n";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	4085	BDB::db_env_txn_checkpoint $DB_ENV;
2629	warn "end emergency database checkpoint\n";	4086	info "emergency_perl_save: end database checkpoint\n";
		4087
		4088	info "emergency_perl_save: begin write uuid\n";
		4089	write_uuid_sync 1;
		4090	info "emergency_perl_save: end write uuid\n";
		4091
		4092	cf::write_runtime_sync; # external watchdog should not bark
		4093
		4094	trace "emergency_perl_save: syncing database to disk";
		4095	BDB::db_env_txn_checkpoint $DB_ENV;
		4096
		4097	info "emergency_perl_save: starting sync\n";
		4098	IO::AIO::aio_sync sub {
		4099	info "emergency_perl_save: finished sync\n";
		4100	};
		4101
		4102	cf::write_runtime_sync; # external watchdog should not bark
		4103
		4104	trace "emergency_perl_save: flushing outstanding aio requests";
		4105	while (IO::AIO::nreqs || BDB::nreqs) {
		4106	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4107	}
		4108
		4109	cf::write_runtime_sync; # external watchdog should not bark
2630	};	4110	};
2631		4111
2632	warn "leave emergency perl save\n";	4112	info "emergency_perl_save: leave\n";
2633	}	4113	}
2634		4114
2635	sub post_cleanup {	4115	sub post_cleanup {
2636	my ($make_core) = @_;	4116	my ($make_core) = @_;
2637		4117
		4118	IO::AIO::flush;
		4119
2638	warn Carp::longmess "post_cleanup backtrace"	4120	error Carp::longmess "post_cleanup backtrace"
2639	if $make_core;	4121	if $make_core;
		4122
		4123	my $fh = pidfile;
		4124	unlink $PIDFILE if <$fh> == $$;
		4125	}
		4126
		4127	# a safer delete_package, copied from Symbol
		4128	sub clear_package($) {
		4129	my $pkg = shift;
		4130
		4131	# expand to full symbol table name if needed
		4132	unless ($pkg =~ /^main::.*::$/) {
		4133	$pkg = "main$pkg" if $pkg =~ /^::/;
		4134	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4135	$pkg .= '::' unless $pkg =~ /::$/;
		4136	}
		4137
		4138	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4139	my $stem_symtab = *{$stem}{HASH};
		4140
		4141	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4142	or return;
		4143
		4144	# clear all symbols
		4145	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4146	for my $name (keys %$leaf_symtab) {
		4147	_gv_clear *{"$pkg$name"};
		4148	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4149	}
2640	}	4150	}
2641		4151
2642	sub do_reload_perl() {	4152	sub do_reload_perl() {
2643	# can/must only be called in main	4153	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	4154	unless (in_main) {
2645	warn "can only reload from main coroutine";	4155	error "can only reload from main coroutine";
2646	return;	4156	return;
2647	}	4157	}
2648		4158
2649	warn "reloading...";	4159	return if $RELOAD++;
2650		4160
2651	warn "entering sync_job";	4161	my $t1 = AE::time;
2652		4162
		4163	while ($RELOAD) {
		4164	cf::get_slot 0.1, -1, "reload_perl";
		4165	info "perl_reload: reloading...";
		4166
		4167	trace "perl_reload: entering sync_job";
		4168
2653	cf::sync_job {	4169	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	4170	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		4171
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	4172	trace "perl_reload: cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	4173	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	4174	%EXT_CORO = ();
2682		4175
2683	warn "removing commands";	4176	trace "perl_reload: removing commands";
2684	%COMMAND = ();	4177	%COMMAND = ();
2685		4178
2686	warn "removing ext commands";	4179	trace "perl_reload: removing ext/exti commands";
2687	%EXTCMD = ();	4180	%EXTCMD = ();
		4181	%EXTICMD = ();
2688		4182
2689	warn "unloading/nuking all extensions";	4183	trace "perl_reload: unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	4184	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	4185	trace "... unloading $pkg";
2692		4186
2693	if (my $cb = $pkg->can ("unload")) {	4187	if (my $cb = $pkg->can ("unload")) {
2694	eval {	4188	eval {
2695	$cb->($pkg);	4189	$cb->($pkg);
2696	1	4190	1
2697	} or warn "$pkg unloaded, but with errors: $@";	4191	} or error "$pkg unloaded, but with errors: $@";
		4192	}
		4193
		4194	trace "... clearing $pkg";
		4195	clear_package $pkg;
2698	}	4196	}
2699		4197
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	4198	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	4199	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4200	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		4201
2708	warn "... unloading $k";	4202	trace "... unloading $k";
2709	delete $INC{$k};	4203	delete $INC{$k};
2710		4204
2711	$k =~ s/\.pm$//;	4205	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	4206	$k =~ s/\//::/g;
2713		4207
2714	if (my $cb = $k->can ("unload_module")) {	4208	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	4209	$cb->();
		4210	}
		4211
		4212	clear_package $k;
2716	}	4213	}
2717		4214
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	4215	trace "perl_reload: getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	4216	clear_package "safe::$_"
2723	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4217	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724		4218
2725	warn "unloading cf.pm \"a bit\"";	4219	trace "perl_reload: unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	4220	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	4221	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		4222
2729	# don't, removes xs symbols, too,	4223	# don't, removes xs symbols, too,
2730	# and global variables created in xs	4224	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	4225	#clear_package __PACKAGE__;
2732		4226
2733	warn "unload completed, starting to reload now";	4227	info "perl_reload: unload completed, starting to reload now";
2734		4228
2735	warn "reloading cf.pm";	4229	trace "perl_reload: reloading cf.pm";
2736	require cf;	4230	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4231	cf::_connect_to_perl_1;
2738		4232
2739	warn "loading config and database again";	4233	trace "perl_reload: loading config and database again";
2740	cf::cfg_load;	4234	cf::reload_config;
2741		4235
2742	warn "loading extensions";	4236	trace "perl_reload: loading extensions";
2743	cf::load_extensions;	4237	cf::load_extensions;
2744		4238
		4239	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	4240	trace "perl_reload: reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	4241	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	4242	trace "perl_reload: reattaching attachments to maps";
2748	reattach $_ for values %MAP;	4243	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	4244	trace "perl_reload: reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	4245	reattach $_ for values %PLAYER;
		4246	}
2751		4247
2752	warn "leaving sync_job";	4248	cf::_post_init 1;
2753		4249
		4250	trace "perl_reload: leaving sync_job";
		4251
2754	1	4252	1
2755	} or do {	4253	} or do {
2756	warn $@;	4254	error $@;
2757	warn "error while reloading, exiting.";	4255	cf::cleanup "perl_reload: error, exiting.";
2758	exit 1;	4256	};
		4257
		4258	--$RELOAD;
2759	};	4259	}
2760		4260
2761	warn "reloaded";	4261	$t1 = AE::time - $t1;
		4262	info "perl_reload: completed in ${t1}s\n";
2762	};	4263	};
2763		4264
2764	our $RELOAD_WATCHER; # used only during reload	4265	our $RELOAD_WATCHER; # used only during reload
2765		4266
2766	sub reload_perl() {	4267	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4268	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4269	# coro crashes during coro_state_free->destroy here.
2769		4270
2770	$RELOAD_WATCHER ||= Event->timer (	4271	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4272	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4273
2773	data => WF_AUTOCANCEL,	4274	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4275	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4276	undef $RELOAD_WATCHER;
2777	},	4277	};
2778	);	4278	};
2779	}	4279	}
2780		4280
2781	register_command "reload" => sub {	4281	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4282	my ($who, $arg) = @_;
2783		4283
2784	if ($who->flag (FLAG_WIZ)) {	4284	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4285	$who->message ("reloading server.");
		4286	async {
		4287	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4288	reload_perl;
		4289	};
2787	}	4290	}
2788	};	4291	};
2789		4292
2790	unshift @INC, $LIBDIR;	4293	#############################################################################
2791		4294
2792	my $bug_warning = 0;	4295	my $bug_warning = 0;
2793		4296
2794	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;
2796
2797	sub wait_for_tick {	4297	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;	4298	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2799	return if $Coro::current == $Coro::main;
2800		4299
2801	my $signal = new Coro::Signal;	4300	$WAIT_FOR_TICK->wait;
2802	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;
2804	}	4301	}
2805		4302
2806	sub wait_for_tick_begin {	4303	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;	4304	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2808	return if $Coro::current == $Coro::main;
2809		4305
2810	my $signal = new Coro::Signal;	4306	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4307	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4308	$signal->wait;
2813	}	4309	}
2814		4310
2815	$TICK_WATCHER = Event->timer (	4311	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4312	if ($Coro::current != $Coro::main) {
2823	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4313	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824	unless ++$bug_warning > 10;	4314	unless ++$bug_warning > 10;
2825	return;	4315	return;
2826	}	4316	}
2827		4317
2828	$NOW = Event::time;	4318	cf::one_tick; # one server iteration
2829		4319
2830	cf::server_tick; # one server iteration	4320	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2831		4321
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4322	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4323	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4324	Coro::async_pool {
		4325	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4326	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4327	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4328	};
		4329	}
2842		4330
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4331	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4332	$sig->send;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4333	}
2861	);	4334	$WAIT_FOR_TICK->broadcast;
		4335
		4336	$LOAD = ($NOW - $TICK_START) / $TICK;
		4337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4338
		4339	if (0) {
		4340	if ($NEXT_TICK) {
		4341	my $jitter = $TICK_START - $NEXT_TICK;
		4342	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4343	debug "jitter $JITTER\n";#d#
		4344	}
		4345	}
		4346	}
2862		4347
2863	{	4348	{
2864	BDB::max_poll_time $TICK * 0.1;	4349	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4350	info "initialising database";
2866	reentrant => 0,	4351
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4352	BDB::min_parallel 16;
2874		4353	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4354	#$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4355
2890	unless ($DB_ENV) {	4356	unless ($DB_ENV) {
2891	$DB_ENV = BDB::db_env_create;	4357	$DB_ENV = BDB::db_env_create;
		4358	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4359	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4360	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4361	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4362	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892		4363
2893	cf::sync_job {	4364	cf::sync_job {
2894	eval {	4365	eval {
2895	BDB::db_env_open	4366	BDB::db_env_open
2896	$DB_ENV,	4367	$DB_ENV,
…		…
2898	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4369	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4370	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4371	0666;
2901		4372
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4373	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4374	};
2907		4375
2908	cf::cleanup "db_env_open(db): $@" if $@;	4376	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4377	};
2910	}	4378	}
		4379
		4380	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4381	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4382	};
		4383	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4384	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4385	};
		4386	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4387	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4388	};
		4389
		4390	info "database initialised";
2911	}	4391	}
2912		4392
2913	{	4393	{
		4394	# configure IO::AIO
		4395
		4396	info "initialising aio";
2914	IO::AIO::min_parallel 8;	4397	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4398	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4399	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	4400	info "aio initialised";
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	4401	}
		4402
		4403	our $_log_backtrace;
		4404	our $_log_backtrace_last;
2927		4405
2928	sub _log_backtrace {	4406	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	4407	my ($msg, @addr) = @_;
2930		4408
		4409	$msg =~ s/\n$//;
		4410
		4411	if ($_log_backtrace_last eq $msg) {
		4412	LOG llevInfo, "[ABT] $msg\n";
		4413	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4414	# limit the # of concurrent backtraces
		4415	} elsif ($_log_backtrace < 2) {
		4416	$_log_backtrace_last = $msg;
		4417	++$_log_backtrace;
		4418	my $perl_bt = Carp::longmess $msg;
2931	async {	4419	async {
		4420	$Coro::current->{desc} = "abt $msg";
		4421
2932	my @bt = fork_call {	4422	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	4423	@addr = map { sprintf "%x", $_ } @addr;
		4424	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	4425	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	4426	or die "addr2line: $!";
2936		4427
2937	my @funcs;	4428	my @funcs;
2938	my @res = <$fh>;	4429	my @res = <$fh>;
2939	chomp for @res;	4430	chomp for @res;
2940	while (@res) {	4431	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	4432	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	4433	push @funcs, "[$func] $line";
		4434	}
		4435
		4436	@funcs
2943	}	4437	};
2944		4438
2945	@funcs	4439	LOG llevInfo, "[ABT] $perl_bt\n";
		4440	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4441	LOG llevInfo, "[ABT] $_\n" for @bt;
		4442	--$_log_backtrace;
2946	};	4443	};
2947		4444	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	4445	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	4446	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2952	};	4447	}
2953	}	4448	}
2954		4449
2955	# load additional modules	4450	# load additional modules
2956	use cf::pod;	4451	require "cf/$_.pm" for @EXTRA_MODULES;
		4452	cf::_connect_to_perl_2;
2957		4453
2958	END { cf::emergency_save }	4454	END { cf::emergency_save }
2959		4455
2960	1	4456	1
2961		4457

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