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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.613 by root, Mon Nov 26 13:12:16 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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	Coro::cede;
		603
		604	my $avail = cf::till_tick;
		605
		606	for (0 .. $#SLOT_QUEUE) {
		607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
		609	my $job = splice @SLOT_QUEUE, $_, 1, ();
		610	$job->[2]->send;
		611	goto next_job;
		612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		614	}
		615	}
		616
		617	if (@SLOT_QUEUE) {
		618	wait_for_tick;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
291	};	623	}
292	$TICK_WATCHER->stop;	624	};
293	$guard	625
		626	sub get_slot($;$$) {
		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;
1540		2328	$self->last_access ($cf::RUNTIME);
1541	undef $guard;
1542	}	2329	}
1543		2330
1544	$self->post_load;	2331	$self->post_load;
1545	}
1546		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
1547	sub customise_for {	2339	sub customise_for {
1548	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1549		2341
1550	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1551	if $self->per_player;	2343	if $self->per_player;
1552		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1553	$self	2348	$self
1554	}
1555
1556	# find and load all maps in the 3x3 area around a map
1557	sub load_diag {
1558	my ($map) = @_;
1559
1560	my @diag; # diagonal neighbours
1561
1562	for (0 .. 3) {
1563	my $neigh = $map->tile_path ($_)
1564	or next;
1565	$neigh = find $neigh, $map
1566	or next;
1567	$neigh->load;
1568
1569	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1570	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1571	}
1572
1573	for (@diag) {
1574	my $neigh = find @$_
1575	or next;
1576	$neigh->load;
1577	}
1578	}	2349	}
1579		2350
1580	sub find_sync {	2351	sub find_sync {
1581	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1582		2353
1583	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
1584	}	2359	}
1585		2360
1586	sub do_load_sync {	2361	sub do_load_sync {
1587	my ($map) = @_;	2362	my ($map) = @_;
1588		2363
1589	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;
1590	}	2369	}
1591		2370
1592	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1593	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1594		2373
1595	sub find_async {	2374	sub find_async {
1596	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1597		2376
1598	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1599		2378
1600	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1601	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1602	}	2381	}
1603		2382
1604	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1605	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1606	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1607	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1608	my $map = find $path	2390	if (my $map = find $k) {
1609	or next;
1610	$map->load;	2391	$map->load if $v;
		2392	}
1611		2393
1612	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1613	}	2395	}
1614	}	2396	}
1615	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1616	};	2398	};
1617	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1618		2400
1619	()	2401	()
1620	}	2402	}
1621		2403
		2404	# common code, used by both ->save and ->swapout
1622	sub save {	2405	sub _save {
1623	my ($self) = @_;	2406	my ($self) = @_;
1624
1625	my $lock = cf::lock_acquire "map_data:" . $self->path;
1626		2407
1627	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1628		2409
1629	return unless $self->dirty;	2410	return unless $self->dirty;
1630		2411
…		…
1636	return if $self->{deny_save};	2417	return if $self->{deny_save};
1637		2418
1638	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1639		2420
1640	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1641	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1642	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1643		2427
1644	if ($uniq) {	2428	if ($uniq) {
1645	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1647	} else {	2431	} else {
1648	$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);
1649	}	2433	}
1650	}	2434	}
1651		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1652	sub swap_out {	2444	sub swap_out {
1653	my ($self) = @_;	2445	my ($self) = @_;
1654		2446
1655	# save first because save cedes
1656	$self->save;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1659		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1660	return if $self->players;	2451	return if $self->players;
1661	return if $self->in_memory != cf::MAP_IN_MEMORY;
1662	return if $self->{deny_save};
1663		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
1664	$self->clear;	2462	$self->clear;
1665	$self->in_memory (cf::MAP_SWAPPED);
1666	}	2463	}
1667		2464
1668	sub reset_at {	2465	sub reset_at {
1669	my ($self) = @_;	2466	my ($self) = @_;
1670		2467
1671	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1672	return 1e99 if $self->isa ("ext::map_per_player");#d#
1673	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1674		2470
1675	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676	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;
1677		2473
…		…
1688	my ($self) = @_;	2484	my ($self) = @_;
1689		2485
1690	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1691		2487
1692	return if $self->players;	2488	return if $self->players;
1693	return if $self->isa ("ext::map_per_player");#d#
1694		2489
1695	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1696		2491
1697	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1698		2493
1699	# need to save uniques path	2494	# need to save uniques path
1700	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1701	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1702		2497
…		…
1704	if $uniq;	2499	if $uniq;
1705	}	2500	}
1706		2501
1707	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1708		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1709	$self->clear;	2506	$self->clear;
1710
1711	$_->clear_links_to ($self) for values %cf::MAP;
1712		2507
1713	$self->unlink_save;	2508	$self->unlink_save;
1714	$self->destroy;	2509	$self->destroy;
1715	}	2510	}
1716		2511
1717	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1718		2513
1719	sub nuke {	2514	sub nuke {
1720	my ($self) = @_;	2515	my ($self) = @_;
1721		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1722	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1723		2521
1724	$self->unlink_save;	2522	$self->unlink_save;
1725		2523
1726	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1727	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1728	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1729	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1730	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731		2529
1732	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1733		2532
1734	$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	]
1735	}	2570	}
1736		2571
1737	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1738		2573
1739	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1740	instantiated unique items. May block.	2575	instantiated unique items. May block.
1741		2576
1742	=cut	2577	=cut
1743		2578
1744	sub unique_maps() {	2579	sub unique_maps() {
1745	my $files = aio_readdir $UNIQUEDIR	2580	[
1746	or return;	2581	map {
1747
1748	my @paths;
1749
1750	for (@$files) {
1751	utf8::decode $_;	2582	utf8::decode $_;
1752	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1753	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754		2585	? ()
1755	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1756	}	2588	]
1757
1758	\@paths
1759	}	2589	}
1760		2590
1761	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	}
1762		2622
1763	=back	2623	=back
1764		2624
1765	=head3 cf::object	2625	=head3 cf::object
1766		2626
…		…
1770		2630
1771	=over 4	2631	=over 4
1772		2632
1773	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1774		2634
1775	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.
1776		2637
1777	=cut	2638	=cut
1778		2639
1779	sub inv_recursive_;	2640	sub inv_recursive_;
1780	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1783		2644
1784	sub inv_recursive {	2645	sub inv_recursive {
1785	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1786	}	2647	}
1787		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
1788	package cf;	2677	package cf;
1789		2678
1790	=back	2679	=back
1791		2680
1792	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1798	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>
1799	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
1800	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1801		2690
1802	=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	};
1803		2706
1804	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1805	# with dialog boxes.	2708	# with dialog boxes.
1806	#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
1807	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1809		2712
1810	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811		2714
1812	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1813	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1814	} 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 {
1815	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1816	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1817	}	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 (@_);
1818	}	2740	}
1819		2741
1820	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1821		2743
1822	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1835		2757
1836	=item $player_object->enter_link	2758	=item $player_object->enter_link
1837		2759
1838	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}>).
1839		2761
1840	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.
1841	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.
1842		2766
1843	Will never block.	2767	Will never block.
1844		2768
1845	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1846		2770
…		…
1866	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1867	my ($self) = @_;	2791	my ($self) = @_;
1868		2792
1869	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1870		2794
		2795	++$self->{_link_recursion};
		2796
1871	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1872		2798
1873	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1875		2801
1876	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1877	}	2803	}
1878		2804
1879	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1880	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1881		2809
1882	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1883		2811
1884	unless ($map) {	2812	unless ($map) {
1885	# restore original map position	2813	# restore original map position
…		…
1896	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1897	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1898		2826
1899	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1900	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1901	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1902		2830
1903	$map->load;	2831	$map->load;
1904	$map->load_diag;
1905		2832
1906	return unless $self->contr->active;	2833	return unless $self->contr->active;
1907	$self->activate_recursive;
1908		2834
1909	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1911	}	2837	# entering was successful
1912		2838	delete $self->{_link_recursion};
1913	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1914	on_logout => sub {	2840	$self->activate_recursive;
1915	my ($pl) = @_;
1916
1917	# abort map switching before logout
1918	if ($pl->ob->{_link_pos}) {
1919	cf::sync_job {
1920	$pl->ob->leave_link
1921	};
1922	}
1923	},	2841	}
1924	on_login => sub {
1925	my ($pl) = @_;
1926		2842
1927	# try to abort aborted map switching on player login :)	2843	}
1928	# should happen only on crashes
1929	if ($pl->ob->{_link_pos}) {
1930	$pl->ob->enter_link;
1931	(async {
1932	$pl->ob->reply (undef,
1933	"There was an internal problem at your last logout, "
1934	. "the server will try to bring you to your intended destination in a second.",
1935	cf::NDI_RED);
1936	# we need this sleep as the login has a concurrent enter_exit running
1937	# and this sleep increases chances of the player not ending up in scorn
1938	Coro::Timer::sleep 1;
1939	$pl->ob->leave_link;
1940	})->prio (2);
1941	}
1942	},
1943	);
1944		2844
1945	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1946		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
1947	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1948		2859
1949	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1950	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;
1951		2871
1952	$self->enter_link;	2872	$self->enter_link;
1953		2873
1954	(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
1955	my $map = eval {	2896	my $map = eval {
1956	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1957	$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
1958	$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 $@;
1959	} or	2912	}
1960	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1962	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1963	})->prio (1);	2920	})->prio (1);
1964	}	2921	}
1965		2922
1966	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1967		2924
…		…
1987	}	2944	}
1988		2945
1989	sub prepare_random_map {	2946	sub prepare_random_map {
1990	my ($exit) = @_;	2947	my ($exit) = @_;
1991		2948
1992	my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1995	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1996	# that depends on the exit object	2951	# that depends on the exit object
1997		2952
1998	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2000	if ($exit->map) {	2955	if ($exit->map) {
2001	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2002	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2003	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2004	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2005	}	2962	}
2006		2963
2007	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2008		2965
2009	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2011	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2012		2969
2013	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2015	undef $fh;	2972	undef $fh;
2016	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2017		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2018	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2019	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2020	}	2981	}
2021	}	2982	}
2022		2983
2023	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2024	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2025		2986
2026	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2027		2988
2028	if ($exit->slaying eq "/!") {
2029	#TODO: this should de-fi-ni-te-ly not be a sync-job
2030	# the problem is that $exit might not survive long enough
2031	# so it needs to be done right now, right here
2032	cf::sync_job { prepare_random_map $exit };
2033	}
2034
2035	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036	my $hp = $exit->stats->hp;
2037	my $sp = $exit->stats->sp;
2038
2039	$self->enter_link;	2989	$self->enter_link;
2040		2990
2041	(async {	2991	(async {
2042	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2043	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
2044	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2045		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
2046	1;	3030	1
2047	}) {	3031	}) {
2048	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2049	. "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. "
2050	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2051	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2052		3036
2053	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2054	$self->leave_link;	3038	$self->leave_link;
2055	}	3039	}
2056	})->prio (1);	3040	})->prio (1);
2057	}	3041	}
2058		3042
2059	=head3 cf::client	3043	=head3 cf::client
2060		3044
2061	=over 4	3045	=over 4
2062		3046
2063	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2064		3048
2065	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2066	should not be used under normal circumstances.	3050	them as required.
2067		3051
2068	=cut	3052	=cut
2069		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
2070	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2071	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2072		3203
2073	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2074	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2075	}
2076		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
2077	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2078		3241
2079	Sends an exti event to the client.	3242	Sends an ext event to the client.
2080		3243
2081	=cut	3244	=cut
2082		3245
2083	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2084	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2085		3248
2086	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2087	$self->send_packet ("ext " . cf::to_json \%msg);
2088	}	3250	}
2089		3251
2090	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2091		3253
2092	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2093	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>,
2094	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>.
2095		3257
2096	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
2097	reliable at some point in the future.	3259	become reliable at some point in the future.
2098		3260
2099	=cut	3261	=cut
2100		3262
2101	sub cf::client::query {	3263	sub cf::client::query {
2102	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2110	utf8::encode $text;	3272	utf8::encode $text;
2111	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112		3274
2113	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2114	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{preferred},
		3292	$COMMAND_FACE{standard},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	$COMMAND_FACE{emote},
		3296	;
		3297
		3298	$self->send_face ($_)
		3299	for @faces;
		3300	$self->flush_fx;
		3301
		3302	$self->ext_msg (command_list => @faces);
		3303	}
		3304
		3305	=item cf::client::set_command_face $type, $commands
		3306
		3307	=cut
		3308
		3309	sub cf::client::set_command_face {
		3310	my ($type, $list) = @_;
		3311
		3312	my $idx = &cf::face::set ( #d# ugly forward reference
		3313	"command_list/$type" => cf::FT_RSRC,
		3314	JSON::XS->new->utf8->encode ([ sort @$list ])
		3315	);
		3316
		3317	$COMMAND_FACE{$type} = $idx;
2115	}	3318	}
2116		3319
2117	cf::client->attach (	3320	cf::client->attach (
		3321	on_connect => sub {
		3322	my ($ns) = @_;
		3323
		3324	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3325	},
2118	on_reply => sub {	3326	on_reply => sub {
2119	my ($ns, $msg) = @_;	3327	my ($ns, $msg) = @_;
2120		3328
2121	# this weird shuffling is so that direct followup queries	3329	# this weird shuffling is so that direct followup queries
2122	# get handled first	3330	# get handled first
…		…
2134	} else {	3342	} else {
2135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3343	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136	}	3344	}
2137	}	3345	}
2138	},	3346	},
		3347	on_exticmd => sub {
		3348	my ($ns, $buf) = @_;
		3349
		3350	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3351
		3352	if (ref $msg) {
		3353	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3354
		3355	if (my $cb = $EXTIACMD{$type}) {
		3356	$cb->(
		3357	$ns,
		3358	sub {
		3359	$ns->ext_msg ("reply-$reply", @_)
		3360	if $reply;
		3361	},
		3362	@payload
		3363	);
		3364	} else {
		3365	my @reply;
		3366
		3367	if (my $cb = $EXTICMD{$type}) {
		3368	@reply = $cb->($ns, @payload);
		3369	}
		3370
		3371	$ns->ext_msg ("reply-$reply", @reply)
		3372	if $reply;
		3373	}
		3374	} else {
		3375	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3376	}
		3377
		3378	cf::override;
		3379	},
2139	);	3380	);
2140		3381
2141	=item $client->async (\&cb)	3382	=item $client->async (\&cb)
2142		3383
2143	Create a new coroutine, running the specified callback. The coroutine will	3384	Create a new coroutine, running the specified callback. The coroutine will
…		…
2159		3400
2160	$coro	3401	$coro
2161	}	3402	}
2162		3403
2163	cf::client->attach (	3404	cf::client->attach (
2164	on_destroy => sub {	3405	on_client_destroy => sub {
2165	my ($ns) = @_;	3406	my ($ns) = @_;
2166		3407
2167	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2168	},	3409	},
2169	);	3410	);
…		…
2184	our $safe = new Safe "safe";	3425	our $safe = new Safe "safe";
2185	our $safe_hole = new Safe::Hole;	3426	our $safe_hole = new Safe::Hole;
2186		3427
2187	$SIG{FPE} = 'IGNORE';	3428	$SIG{FPE} = 'IGNORE';
2188		3429
2189	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3430	$safe->permit_only (Opcode::opset qw(
		3431	:base_core :base_mem :base_orig :base_math :base_loop
		3432	grepstart grepwhile mapstart mapwhile
		3433	sort time
		3434	));
2190		3435
2191	# here we export the classes and methods available to script code	3436	# here we export the classes and methods available to script code
2192		3437
2193	=pod	3438	=pod
2194		3439
2195	The following functions and methods are available within a safe environment:	3440	The following functions and methods are available within a safe environment:
2196		3441
2197	cf::object contr pay_amount pay_player map	3442	cf::object
		3443	contr pay_amount pay_player map x y force_find force_add destroy
		3444	insert remove name archname title slaying race decrease split
		3445	value
		3446
2198	cf::object::player player	3447	cf::object::player
2199	cf::player peaceful	3448	player
2200	cf::map trigger	3449
		3450	cf::player
		3451	peaceful
		3452
		3453	cf::map
		3454	trigger
2201		3455
2202	=cut	3456	=cut
2203		3457
2204	for (	3458	for (
2205	["cf::object" => qw(contr pay_amount pay_player map)],	3459	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3460	insert remove inv nrof name archname title slaying race
		3461	decrease split destroy change_exp value msg lore send_msg)],
2206	["cf::object::player" => qw(player)],	3462	["cf::object::player" => qw(player)],
2207	["cf::player" => qw(peaceful)],	3463	["cf::player" => qw(peaceful send_msg)],
2208	["cf::map" => qw(trigger)],	3464	["cf::map" => qw(trigger)],
2209	) {	3465	) {
2210	no strict 'refs';
2211	my ($pkg, @funs) = @$_;	3466	my ($pkg, @funs) = @$_;
2212	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3467	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2213	for @funs;	3468	for @funs;
2214	}	3469	}
2215		3470
…		…
2230		3485
2231	my $qcode = $code;	3486	my $qcode = $code;
2232	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3487	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2233	$qcode =~ s/\n/\\n/g;	3488	$qcode =~ s/\n/\\n/g;
2234		3489
		3490	%vars = (_dummy => 0) unless %vars;
		3491
		3492	my @res;
2235	local $_;	3493	local $_;
2236	local @safe::cf::_safe_eval_args = values %vars;
2237		3494
2238	my $eval =	3495	my $eval =
2239	"do {\n"	3496	"do {\n"
2240	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3497	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2241	. "#line 0 \"{$qcode}\"\n"	3498	. "#line 0 \"{$qcode}\"\n"
2242	. $code	3499	. $code
2243	. "\n}"	3500	. "\n}"
2244	;	3501	;
2245		3502
		3503	if ($CFG{safe_eval}) {
2246	sub_generation_inc;	3504	sub_generation_inc;
		3505	local @safe::cf::_safe_eval_args = values %vars;
2247	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3506	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2248	sub_generation_inc;	3507	sub_generation_inc;
		3508	} else {
		3509	local @cf::_safe_eval_args = values %vars;
		3510	@res = wantarray ? eval eval : scalar eval $eval;
		3511	}
2249		3512
2250	if ($@) {	3513	if ($@) {
2251	warn "$@";	3514	warn "$@",
2252	warn "while executing safe code '$code'\n";	3515	"while executing safe code '$code'\n",
2253	warn "with arguments " . (join " ", %vars) . "\n";	3516	"with arguments " . (join " ", %vars) . "\n";
2254	}	3517	}
2255		3518
2256	wantarray ? @res : $res[0]	3519	wantarray ? @res : $res[0]
2257	}	3520	}
2258		3521
…		…
2272	=cut	3535	=cut
2273		3536
2274	sub register_script_function {	3537	sub register_script_function {
2275	my ($fun, $cb) = @_;	3538	my ($fun, $cb) = @_;
2276		3539
2277	no strict 'refs';	3540	$fun = "safe::$fun" if $CFG{safe_eval};
2278	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3541	*$fun = $safe_hole->wrap ($cb);
2279	}	3542	}
2280		3543
2281	=back	3544	=back
2282		3545
2283	=cut	3546	=cut
2284
2285	#############################################################################
2286
2287	=head2 EXTENSION DATABASE SUPPORT
2288
2289	Crossfire maintains a very simple database for extension use. It can
2290	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291	convert to/from binary).
2292
2293	The parameter C<$family> should best start with the name of the extension
2294	using it, it should be unique.
2295
2296	=over 4
2297
2298	=item $value = cf::db_get $family => $key
2299
2300	Returns a single value from the database.
2301
2302	=item cf::db_put $family => $key => $value
2303
2304	Stores the given C<$value> in the family.
2305
2306	=cut
2307
2308	our $DB;
2309
2310	sub db_init {
2311	unless ($DB) {
2312	$DB = BDB::db_create $DB_ENV;
2313
2314	cf::sync_job {
2315	eval {
2316	$DB->set_flags (BDB::CHKSUM);
2317
2318	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320	cf::cleanup "db_open(db): $!" if $!;
2321	};
2322	cf::cleanup "db_open(db): $@" if $@;
2323	};
2324	}
2325	}
2326
2327	sub db_get($$) {
2328	my $key = "$_[0]/$_[1]";
2329
2330	cf::sync_job {
2331	BDB::db_get $DB, undef, $key, my $data;
2332
2333	$! ? ()
2334	: $data
2335	}
2336	}
2337
2338	sub db_put($$$) {
2339	BDB::dbreq_pri 4;
2340	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341	}
2342
2343	=item cf::cache $id => [$paths...], $processversion => $process
2344
2345	Generic caching function that returns the value of the resource $id,
2346	caching and regenerating as required.
2347
2348	This function can block.
2349
2350	=cut
2351
2352	sub cache {
2353	my ($id, $src, $processversion, $process) = @_;
2354
2355	my $meta =
2356	join "\x00",
2357	$processversion,
2358	map {
2359	aio_stat $_
2360	and Carp::croak "$_: $!";
2361
2362	($_, (stat _)[7,9])
2363	} @$src;
2364
2365	my $dbmeta = db_get cache => "$id/meta";
2366	if ($dbmeta ne $meta) {
2367	# changed, we may need to process
2368
2369	my @data;
2370	my $md5;
2371
2372	for (0 .. $#$src) {
2373	0 <= aio_load $src->[$_], $data[$_]
2374	or Carp::croak "$src->[$_]: $!";
2375	}
2376
2377	# if processing is expensive, check
2378	# checksum first
2379	if (1) {
2380	$md5 =
2381	join "\x00",
2382	$processversion,
2383	map {
2384	Coro::cede;
2385	($src->[$_], Digest::MD5::md5_hex $data[$_])
2386	} 0.. $#$src;
2387
2388
2389	my $dbmd5 = db_get cache => "$id/md5";
2390	if ($dbmd5 eq $md5) {
2391	db_put cache => "$id/meta", $meta;
2392
2393	return db_get cache => "$id/data";
2394	}
2395	}
2396
2397	my $t1 = Time::HiRes::time;
2398	my $data = $process->(\@data);
2399	my $t2 = Time::HiRes::time;
2400
2401	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403	db_put cache => "$id/data", $data;
2404	db_put cache => "$id/md5" , $md5;
2405	db_put cache => "$id/meta", $meta;
2406
2407	return $data;
2408	}
2409
2410	db_get cache => "$id/data"
2411	}
2412
2413	=item fork_call { }, $args
2414
2415	Executes the given code block with the given arguments in a seperate
2416	process, returning the results. Everything must be serialisable with
2417	Coro::Storable. May, of course, block. Note that the executed sub may
2418	never block itself or use any form of Event handling.
2419
2420	=cut
2421
2422	sub fork_call(&@) {
2423	my ($cb, @args) = @_;
2424
2425	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426	# or die "socketpair: $!";
2427	pipe my $fh1, my $fh2
2428	or die "pipe: $!";
2429
2430	if (my $pid = fork) {
2431	close $fh2;
2432
2433	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434	$res = Coro::Storable::thaw $res;
2435
2436	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438	die $$res unless "ARRAY" eq ref $res;
2439
2440	return wantarray ? @$res : $res->[-1];
2441	} else {
2442	local $SIG{__WARN__};
2443	eval {
2444	local $SIG{__DIE__};
2445	close $fh1;
2446
2447	my @res = eval { $cb->(@args) };
2448	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449	};
2450
2451	warn $@ if $@;
2452	_exit 0;
2453	}
2454	}
2455
2456
2457		3547
2458	#############################################################################	3548	#############################################################################
2459	# the server's init and main functions	3549	# the server's init and main functions
2460		3550
		3551	{
		3552	package cf::face;
		3553
		3554	our %HASH; # hash => idx
		3555	our @DATA; # dynamically-created facedata, only faceste 0 used
		3556	our @FOFS; # file offset, if > 0
		3557	our @SIZE; # size of face, in octets
		3558	our @META; # meta hash of face, if any
		3559	our $DATAFH; # facedata filehandle
		3560
		3561	# internal api, not finalised
		3562	sub set {
		3563	my ($name, $type, $data) = @_;
		3564
		3565	my $idx = cf::face::find $name;
		3566
		3567	if ($idx) {
		3568	delete $HASH{cf::face::get_csum $idx};
		3569	} else {
		3570	$idx = cf::face::alloc $name;
		3571	}
		3572
		3573	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3574
		3575	cf::face::set_type $idx, $type;
		3576	cf::face::set_csum $idx, 0, $hash;
		3577
		3578	# we need to destroy the SV itself, not just modify it, as a running ix
		3579	# might hold a reference to it: "delete" achieves that.
		3580	delete $FOFS[0][$idx];
		3581	delete $DATA[0][$idx];
		3582	$DATA[0][$idx] = $data;
		3583	$SIZE[0][$idx] = length $data;
		3584	delete $META[$idx];
		3585	$HASH{$hash} = $idx;#d#
		3586
		3587	$idx
		3588	}
		3589
		3590	sub _get_data($$$) {
		3591	my ($idx, $set, $cb) = @_;
		3592
		3593	if (defined $DATA[$set][$idx]) {
		3594	$cb->($DATA[$set][$idx]);
		3595	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3596	my $size = $SIZE[$set][$idx];
		3597	my $buf;
		3598	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3599	if ($_[0] == $size) {
		3600	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3601	$cb->($buf);
		3602	} else {
		3603	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3604	}
		3605	};
		3606	} else {
		3607	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3608	}
		3609	}
		3610
		3611	# rather ineffient
		3612	sub cf::face::get_data($;$) {
		3613	my ($idx, $set) = @_;
		3614
		3615	_get_data $idx, $set, Coro::rouse_cb;
		3616	Coro::rouse_wait
		3617	}
		3618
		3619	sub cf::face::ix {
		3620	my ($ns, $set, $idx, $pri) = @_;
		3621
		3622	_get_data $idx, $set, sub {
		3623	$ns->ix_send ($idx, $pri, $_[0]);
		3624	};
		3625	}
		3626	}
		3627
2461	sub load_facedata($) {	3628	sub load_facedata($) {
2462	my ($path) = @_;	3629	my ($path) = @_;
2463		3630
		3631	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3632
2464	warn "loading facedata from $path\n";	3633	trace "loading facedata from $path\n";
2465		3634
2466	my $facedata;	3635	my $facedata = decode_storable load_file "$path/faceinfo";
2467	0 < aio_load $path, $facedata
2468	or die "$path: $!";
2469
2470	$facedata = Coro::Storable::thaw $facedata;
2471		3636
2472	$facedata->{version} == 2	3637	$facedata->{version} == 2
2473	or cf::cleanup "$path: version mismatch, cannot proceed.";	3638	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3639
		3640	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3641	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3642
		3643	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3644
		3645	# BEGIN ATOMIC
		3646	# from here on, everything must be atomic - no thread switch allowed
		3647	my $t1 = EV::time;
2474		3648
2475	{	3649	{
2476	my $faces = $facedata->{faceinfo};	3650	my $faces = $facedata->{faceinfo};
2477		3651
2478	while (my ($face, $info) = each %$faces) {	3652	for my $face (sort keys %$faces) {
		3653	my $info = $faces->{$face};
2479	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3654	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3655
2480	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3656	cf::face::set_visibility $idx, $info->{visibility};
2481	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3657	cf::face::set_magicmap $idx, $info->{magicmap};
2482	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3658	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2483	Coro::cede;	3659	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3660	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3661	$cf::face::HASH{$info->{hash64}} = $idx;
		3662	delete $cf::face::META[$idx];
2484	}	3663	}
2485		3664
2486	while (my ($face, $info) = each %$faces) {	3665	while (my ($face, $info) = each %$faces) {
2487	next unless $info->{smooth};	3666	next unless $info->{smooth};
		3667
2488	my $idx = cf::face::find $face	3668	my $idx = cf::face::find $face
2489	or next;	3669	or next;
		3670
2490	if (my $smooth = cf::face::find $info->{smooth}) {	3671	if (my $smooth = cf::face::find $info->{smooth}) {
		3672	cf::face::set_smooth $idx, $smooth;
2491	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3673	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492	} else {	3674	} else {
2493	warn "smooth face '$info->{smooth}' not found for face '$face'";	3675	error "smooth face '$info->{smooth}' not found for face '$face'";
2494	}	3676	}
2495	Coro::cede;
2496	}	3677	}
2497	}	3678	}
2498		3679
2499	{	3680	{
2500	my $anims = $facedata->{animinfo};	3681	my $anims = $facedata->{animinfo};
2501		3682
2502	while (my ($anim, $info) = each %$anims) {	3683	while (my ($anim, $info) = each %$anims) {
2503	cf::anim::set $anim, $info->{frames}, $info->{facings};	3684	cf::anim::set $anim, $info->{frames}, $info->{facings};
2504	Coro::cede;
2505	}	3685	}
2506		3686
2507	cf::anim::invalidate_all; # d'oh	3687	cf::anim::invalidate_all; # d'oh
2508	}	3688	}
2509		3689
		3690	{
		3691	my $res = $facedata->{resource};
		3692
		3693	while (my ($name, $info) = each %$res) {
		3694	if (defined (my $type = $info->{type})) {
		3695	# TODO: different hash - must free and use new index, or cache ixface data queue
		3696	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3697
		3698	cf::face::set_type $idx, $type;
		3699	cf::face::set_csum $idx, 0, $info->{hash};
		3700	$cf::face::SIZE[0][$idx] = $info->{size};
		3701	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3702	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3703	$cf::face::HASH{$info->{hash}} = $idx;
		3704	} else {
		3705	# $RESOURCE{$name} = $info; # unused
		3706	}
		3707	}
		3708	}
		3709
		3710	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3711
		3712	# HACK to clear player env face cache, we need some signal framework
		3713	# for this (global event?)
		3714	%ext::player_env::MUSIC_FACE_CACHE = ();
		3715
		3716	# END ATOMIC
		3717
		3718	cf::debug "facedata atomic update time ", EV::time - $t1;
		3719
		3720	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3721
		3722	aio_close $fh if $fh; # close old facedata
		3723
2510	1	3724	1
2511	}	3725	}
2512		3726
		3727	register_exticmd fx_want => sub {
		3728	my ($ns, $want) = @_;
		3729
		3730	while (my ($k, $v) = each %$want) {
		3731	$ns->fx_want ($k, $v);
		3732	}
		3733	};
		3734
		3735	sub load_resource_file($) {
		3736	my $guard = lock_acquire "load_resource_file";
		3737
		3738	my $status = load_resource_file_ $_[0];
		3739	get_slot 0.1, 100;
		3740	cf::arch::commit_load;
		3741
		3742	$status
		3743	}
		3744
		3745	sub reload_exp_table {
		3746	_reload_exp_table;
		3747
		3748	cf::face::set
		3749	"res/exp_table" => FT_RSRC,
		3750	JSON::XS->new->utf8->canonical->encode (
		3751	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3752	);
		3753	}
		3754
		3755	sub reload_materials {
		3756	_reload_materials;
		3757	}
		3758
2513	sub reload_regions {	3759	sub reload_regions {
		3760	# HACK to clear player env face cache, we need some signal framework
		3761	# for this (global event?)
		3762	%ext::player_env::MUSIC_FACE_CACHE = ();
		3763
2514	load_resource_file "$MAPDIR/regions"	3764	load_resource_file "$MAPDIR/regions"
2515	or die "unable to load regions file\n";	3765	or die "unable to load regions file\n";
		3766
		3767	for (cf::region::list) {
		3768	$_->{match} = qr/$_->{match}/
		3769	if exists $_->{match};
		3770	}
2516	}	3771	}
2517		3772
2518	sub reload_facedata {	3773	sub reload_facedata {
2519	load_facedata "$DATADIR/facedata"	3774	load_facedata $DATADIR
2520	or die "unable to load facedata\n";	3775	or die "unable to load facedata\n";
2521	}	3776	}
2522		3777
2523	sub reload_archetypes {	3778	sub reload_archetypes {
2524	load_resource_file "$DATADIR/archetypes"	3779	load_resource_file "$DATADIR/archetypes"
2525	or die "unable to load archetypes\n";	3780	or die "unable to load archetypes\n";
		3781
		3782	cf::face::set
		3783	"res/skill_info" => FT_RSRC,
		3784	JSON::XS->new->utf8->canonical->encode (
		3785	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3786	);
		3787
		3788	cf::face::set
		3789	"res/spell_paths" => FT_RSRC,
		3790	JSON::XS->new->utf8->canonical->encode (
		3791	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3792	);
		3793
		3794	# command completion
		3795	my @commands;
		3796
		3797	for (0..cf::arch::skillvec_size - 1) {
		3798	my $skill = cf::arch::skillvec $_;
		3799	my $name = $skill->name;
		3800	my $flags = cf::skill_flags $skill->subtype;
		3801
		3802	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3803	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3804	}
		3805
		3806	cf::client::set_command_face skill => \@commands;
2526	}	3807	}
2527		3808
2528	sub reload_treasures {	3809	sub reload_treasures {
2529	load_resource_file "$DATADIR/treasures"	3810	load_resource_file "$DATADIR/treasures"
2530	or die "unable to load treasurelists\n";	3811	or die "unable to load treasurelists\n";
2531	}	3812	}
2532		3813
		3814	sub reload_sound {
		3815	trace "loading sound config from $DATADIR/sound\n";
		3816
		3817	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3818
		3819	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3820	my $sound = $soundconf->{compat}[$_]
		3821	or next;
		3822
		3823	my $face = cf::face::find "sound/$sound->[1]";
		3824	cf::sound::set $sound->[0] => $face;
		3825	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3826	}
		3827
		3828	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3829	my $face = cf::face::find "sound/$v";
		3830	cf::sound::set $k => $face;
		3831	}
		3832	}
		3833
2533	sub reload_resources {	3834	sub reload_resources {
2534	warn "reloading resource files...\n";	3835	trace "reloading resource files...\n";
2535		3836
		3837	reload_materials;
		3838	reload_facedata;
		3839	reload_exp_table;
		3840	reload_sound;
		3841	reload_archetypes;
2536	reload_regions;	3842	reload_regions;
2537	reload_facedata;
2538	reload_archetypes;
2539	reload_treasures;	3843	reload_treasures;
2540		3844
2541	warn "finished reloading resource files\n";	3845	trace "finished reloading resource files\n";
2542	}	3846	}
2543		3847
2544	sub init {	3848	sub reload_config {
2545	reload_resources;	3849	trace "reloading config file...\n";
2546	}
2547		3850
2548	sub cfg_load {	3851	my $config = load_file "$CONFDIR/config";
2549	open my $fh, "<:utf8", "$CONFDIR/config"	3852	utf8::decode $config;
2550	or return;	3853	*CFG = decode_yaml $config;
2551		3854
2552	local $/;
2553	*CFG = YAML::Syck::Load <$fh>;
2554
2555	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3855	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2556		3856
2557	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3857	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3858	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2559		3859
2560	if (exists $CFG{mlockall}) {	3860	if (exists $CFG{mlockall}) {
…		…
2564	};	3864	};
2565	warn $@ if $@;	3865	warn $@ if $@;
2566	}	3866	}
2567	}	3867	}
2568		3868
		3869	sub pidfile() {
		3870	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3871	or die "$PIDFILE: $!";
		3872	flock $fh, &Fcntl::LOCK_EX
		3873	or die "$PIDFILE: flock: $!";
		3874	$fh
		3875	}
		3876
		3877	# make sure only one server instance is running at any one time
		3878	sub atomic {
		3879	my $fh = pidfile;
		3880
		3881	my $pid = <$fh>;
		3882	kill 9, $pid if $pid > 0;
		3883
		3884	seek $fh, 0, 0;
		3885	print $fh $$;
		3886	}
		3887
		3888	sub main_loop {
		3889	trace "EV::loop starting\n";
		3890	if (1) {
		3891	EV::loop;
		3892	}
		3893	trace "EV::loop returned\n";
		3894	goto &main_loop unless $REALLY_UNLOOP;
		3895	}
		3896
2569	sub main {	3897	sub main {
		3898	cf::init_globals; # initialise logging
		3899
		3900	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3901	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3902	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3903	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3904
		3905	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3906
2570	# we must not ever block the main coroutine	3907	# we must not ever block the main coroutine
2571	local $Coro::idle = sub {	3908	$Coro::idle = sub {
2572	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3909	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573	(async {	3910	(async {
2574	Event::one_event;	3911	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3912	EV::loop EV::LOOP_ONESHOT;
2575	})->prio (Coro::PRIO_MAX);	3913	})->prio (Coro::PRIO_MAX);
2576	};	3914	};
2577		3915
2578	cfg_load;	3916	evthread_start IO::AIO::poll_fileno;
		3917
		3918	cf::sync_job {
		3919	cf::incloader::init ();
		3920
2579	db_init;	3921	db_init;
		3922
		3923	cf::init_anim;
		3924	cf::init_attackmess;
		3925	cf::init_dynamic;
		3926
		3927	cf::load_settings;
		3928
		3929	reload_resources;
		3930	reload_config;
		3931
		3932	cf::init_uuid;
		3933	cf::init_signals;
		3934	cf::init_skills;
		3935
		3936	cf::init_beforeplay;
		3937
		3938	atomic;
		3939
2580	load_extensions;	3940	load_extensions;
2581		3941
2582	$TICK_WATCHER->start;	3942	utime time, time, $RUNTIMEFILE;
2583	Event::loop;	3943
		3944	# no (long-running) fork's whatsoever before this point(!)
		3945	use POSIX ();
		3946	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3947
		3948	cf::_post_init 0;
		3949	};
		3950
		3951	cf::object::thawer::errors_are_fatal 0;
		3952	info "parse errors in files are no longer fatal from this point on.\n";
		3953
		3954	AE::postpone {
		3955	undef &main; # free gobs of memory :)
		3956	};
		3957
		3958	goto &main_loop;
2584	}	3959	}
2585		3960
2586	#############################################################################	3961	#############################################################################
2587	# initialisation and cleanup	3962	# initialisation and cleanup
2588		3963
2589	# install some emergency cleanup handlers	3964	# install some emergency cleanup handlers
2590	BEGIN {	3965	BEGIN {
		3966	our %SIGWATCHER = ();
2591	for my $signal (qw(INT HUP TERM)) {	3967	for my $signal (qw(INT HUP TERM)) {
2592	Event->signal (	3968	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2593	reentrant => 0,
2594	data => WF_AUTOCANCEL,
2595	signal => $signal,
2596	prio => 0,
2597	cb => sub {
2598	cf::cleanup "SIG$signal";	3969	cf::cleanup "SIG$signal";
2599	},
2600	);	3970	};
		3971	}
		3972	}
		3973
		3974	sub write_runtime_sync {
		3975	my $t0 = AE::time;
		3976
		3977	# first touch the runtime file to show we are still running:
		3978	# the fsync below can take a very very long time.
		3979
		3980	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3981
		3982	my $guard = cf::lock_acquire "write_runtime";
		3983
		3984	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3985	or return;
		3986
		3987	my $value = $cf::RUNTIME + 90 + 10;
		3988	# 10 is the runtime save interval, for a monotonic clock
		3989	# 60 allows for the watchdog to kill the server.
		3990
		3991	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3992	and return;
		3993
		3994	# always fsync - this file is important
		3995	aio_fsync $fh
		3996	and return;
		3997
		3998	# touch it again to show we are up-to-date
		3999	aio_utime $fh, undef, undef;
		4000
		4001	close $fh
		4002	or return;
		4003
		4004	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4005	and return;
		4006
		4007	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4008
2601	}	4009	1
		4010	}
		4011
		4012	our $uuid_lock;
		4013	our $uuid_skip;
		4014
		4015	sub write_uuid_sync($) {
		4016	$uuid_skip ||= $_[0];
		4017
		4018	return if $uuid_lock;
		4019	local $uuid_lock = 1;
		4020
		4021	my $uuid = "$LOCALDIR/uuid";
		4022
		4023	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4024	or return;
		4025
		4026	my $value = uuid_seq uuid_cur;
		4027
		4028	unless ($value) {
		4029	info "cowardly refusing to write zero uuid value!\n";
		4030	return;
		4031	}
		4032
		4033	my $value = uuid_str $value + $uuid_skip;
		4034	$uuid_skip = 0;
		4035
		4036	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4037	and return;
		4038
		4039	# always fsync - this file is important
		4040	aio_fsync $fh
		4041	and return;
		4042
		4043	close $fh
		4044	or return;
		4045
		4046	aio_rename "$uuid~", $uuid
		4047	and return;
		4048
		4049	trace "uuid file written ($value).\n";
		4050
		4051	1
		4052
		4053	}
		4054
		4055	sub write_uuid($$) {
		4056	my ($skip, $sync) = @_;
		4057
		4058	$sync ? write_uuid_sync $skip
		4059	: async { write_uuid_sync $skip };
2602	}	4060	}
2603		4061
2604	sub emergency_save() {	4062	sub emergency_save() {
2605	my $freeze_guard = cf::freeze_mainloop;	4063	my $freeze_guard = cf::freeze_mainloop;
2606		4064
2607	warn "enter emergency perl save\n";	4065	info "emergency_perl_save: enter\n";
		4066
		4067	# this is a trade-off: we want to be very quick here, so
		4068	# save all maps without fsync, and later call a global sync
		4069	# (which in turn might be very very slow)
		4070	local $USE_FSYNC = 0;
2608		4071
2609	cf::sync_job {	4072	cf::sync_job {
		4073	cf::write_runtime_sync; # external watchdog should not bark
		4074
2610	# use a peculiar iteration method to avoid tripping on perl	4075	# use a peculiar iteration method to avoid tripping on perl
2611	# refcount bugs in for. also avoids problems with players	4076	# refcount bugs in for. also avoids problems with players
2612	# and maps saved/destroyed asynchronously.	4077	# and maps saved/destroyed asynchronously.
2613	warn "begin emergency player save\n";	4078	info "emergency_perl_save: begin player save\n";
2614	for my $login (keys %cf::PLAYER) {	4079	for my $login (keys %cf::PLAYER) {
2615	my $pl = $cf::PLAYER{$login} or next;	4080	my $pl = $cf::PLAYER{$login} or next;
2616	$pl->valid or next;	4081	$pl->valid or next;
		4082	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617	$pl->save;	4083	$pl->save;
2618	}	4084	}
2619	warn "end emergency player save\n";	4085	info "emergency_perl_save: end player save\n";
2620		4086
2621	warn "begin emergency map save\n";	4087	cf::write_runtime_sync; # external watchdog should not bark
		4088
		4089	info "emergency_perl_save: begin map save\n";
2622	for my $path (keys %cf::MAP) {	4090	for my $path (keys %cf::MAP) {
2623	my $map = $cf::MAP{$path} or next;	4091	my $map = $cf::MAP{$path} or next;
2624	$map->valid or next;	4092	$map->valid or next;
2625	$map->save;	4093	$map->save;
2626	}	4094	}
2627	warn "end emergency map save\n";	4095	info "emergency_perl_save: end map save\n";
2628		4096
2629	warn "begin emergency database checkpoint\n";	4097	cf::write_runtime_sync; # external watchdog should not bark
		4098
		4099	info "emergency_perl_save: begin database checkpoint\n";
2630	BDB::db_env_txn_checkpoint $DB_ENV;	4100	BDB::db_env_txn_checkpoint $DB_ENV;
2631	warn "end emergency database checkpoint\n";	4101	info "emergency_perl_save: end database checkpoint\n";
		4102
		4103	info "emergency_perl_save: begin write uuid\n";
		4104	write_uuid_sync 1;
		4105	info "emergency_perl_save: end write uuid\n";
		4106
		4107	cf::write_runtime_sync; # external watchdog should not bark
		4108
		4109	trace "emergency_perl_save: syncing database to disk";
		4110	BDB::db_env_txn_checkpoint $DB_ENV;
		4111
		4112	info "emergency_perl_save: starting sync\n";
		4113	IO::AIO::aio_sync sub {
		4114	info "emergency_perl_save: finished sync\n";
		4115	};
		4116
		4117	cf::write_runtime_sync; # external watchdog should not bark
		4118
		4119	trace "emergency_perl_save: flushing outstanding aio requests";
		4120	while (IO::AIO::nreqs || BDB::nreqs) {
		4121	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4122	}
		4123
		4124	cf::write_runtime_sync; # external watchdog should not bark
2632	};	4125	};
2633		4126
2634	warn "leave emergency perl save\n";	4127	info "emergency_perl_save: leave\n";
2635	}	4128	}
2636		4129
2637	sub post_cleanup {	4130	sub post_cleanup {
2638	my ($make_core) = @_;	4131	my ($make_core) = @_;
2639		4132
		4133	IO::AIO::flush;
		4134
2640	warn Carp::longmess "post_cleanup backtrace"	4135	error Carp::longmess "post_cleanup backtrace"
2641	if $make_core;	4136	if $make_core;
		4137
		4138	my $fh = pidfile;
		4139	unlink $PIDFILE if <$fh> == $$;
		4140	}
		4141
		4142	# a safer delete_package, copied from Symbol
		4143	sub clear_package($) {
		4144	my $pkg = shift;
		4145
		4146	# expand to full symbol table name if needed
		4147	unless ($pkg =~ /^main::.*::$/) {
		4148	$pkg = "main$pkg" if $pkg =~ /^::/;
		4149	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4150	$pkg .= '::' unless $pkg =~ /::$/;
		4151	}
		4152
		4153	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4154	my $stem_symtab = *{$stem}{HASH};
		4155
		4156	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4157	or return;
		4158
		4159	# clear all symbols
		4160	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4161	for my $name (keys %$leaf_symtab) {
		4162	_gv_clear *{"$pkg$name"};
		4163	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4164	}
2642	}	4165	}
2643		4166
2644	sub do_reload_perl() {	4167	sub do_reload_perl() {
2645	# can/must only be called in main	4168	# can/must only be called in main
2646	if ($Coro::current != $Coro::main) {	4169	unless (in_main) {
2647	warn "can only reload from main coroutine";	4170	error "can only reload from main coroutine";
2648	return;	4171	return;
2649	}	4172	}
2650		4173
2651	warn "reloading...";	4174	return if $RELOAD++;
2652		4175
2653	warn "entering sync_job";	4176	my $t1 = AE::time;
2654		4177
		4178	while ($RELOAD) {
		4179	cf::get_slot 0.1, -1, "reload_perl";
		4180	info "perl_reload: reloading...";
		4181
		4182	trace "perl_reload: entering sync_job";
		4183
2655	cf::sync_job {	4184	cf::sync_job {
2656	cf::write_runtime; # external watchdog should not bark
2657	cf::emergency_save;	4185	#cf::emergency_save;
2658	cf::write_runtime; # external watchdog should not bark
2659		4186
2660	warn "syncing database to disk";
2661	BDB::db_env_txn_checkpoint $DB_ENV;
2662
2663	# if anything goes wrong in here, we should simply crash as we already saved
2664
2665	warn "cancelling all WF_AUTOCANCEL watchers";
2666	for (Event::all_watchers) {
2667	$_->cancel if $_->data & WF_AUTOCANCEL;
2668	}
2669
2670	warn "flushing outstanding aio requests";
2671	for (;;) {
2672	BDB::flush;
2673	IO::AIO::flush;
2674	Coro::cede;
2675	last unless IO::AIO::nreqs || BDB::nreqs;
2676	warn "iterate...";
2677	}
2678
2679	++$RELOAD;
2680
2681	warn "cancelling all extension coros";	4187	trace "perl_reload: cancelling all extension coros";
2682	$_->cancel for values %EXT_CORO;	4188	$_->cancel for values %EXT_CORO;
2683	%EXT_CORO = ();	4189	%EXT_CORO = ();
2684		4190
2685	warn "removing commands";	4191	trace "perl_reload: removing commands";
2686	%COMMAND = ();	4192	%COMMAND = ();
2687		4193
2688	warn "removing ext commands";	4194	trace "perl_reload: removing ext/exti commands";
2689	%EXTCMD = ();	4195	%EXTCMD = ();
		4196	%EXTICMD = ();
2690		4197
2691	warn "unloading/nuking all extensions";	4198	trace "perl_reload: unloading/nuking all extensions";
2692	for my $pkg (@EXTS) {	4199	for my $pkg (@EXTS) {
2693	warn "... unloading $pkg";	4200	trace "... unloading $pkg";
2694		4201
2695	if (my $cb = $pkg->can ("unload")) {	4202	if (my $cb = $pkg->can ("unload")) {
2696	eval {	4203	eval {
2697	$cb->($pkg);	4204	$cb->($pkg);
2698	1	4205	1
2699	} or warn "$pkg unloaded, but with errors: $@";	4206	} or error "$pkg unloaded, but with errors: $@";
		4207	}
		4208
		4209	trace "... clearing $pkg";
		4210	clear_package $pkg;
2700	}	4211	}
2701		4212
2702	warn "... nuking $pkg";
2703	Symbol::delete_package $pkg;
2704	}
2705
2706	warn "unloading all perl modules loaded from $LIBDIR";	4213	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2707	while (my ($k, $v) = each %INC) {	4214	while (my ($k, $v) = each %INC) {
2708	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4215	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709		4216
2710	warn "... unloading $k";	4217	trace "... unloading $k";
2711	delete $INC{$k};	4218	delete $INC{$k};
2712		4219
2713	$k =~ s/\.pm$//;	4220	$k =~ s/\.pm$//;
2714	$k =~ s/\//::/g;	4221	$k =~ s/\//::/g;
2715		4222
2716	if (my $cb = $k->can ("unload_module")) {	4223	if (my $cb = $k->can ("unload_module")) {
2717	$cb->();	4224	$cb->();
		4225	}
		4226
		4227	clear_package $k;
2718	}	4228	}
2719		4229
2720	Symbol::delete_package $k;
2721	}
2722
2723	warn "getting rid of safe::, as good as possible";	4230	trace "perl_reload: getting rid of safe::, as good as possible";
2724	Symbol::delete_package "safe::$_"	4231	clear_package "safe::$_"
2725	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4232	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726		4233
2727	warn "unloading cf.pm \"a bit\"";	4234	trace "perl_reload: unloading cf.pm \"a bit\"";
2728	delete $INC{"cf.pm"};	4235	delete $INC{"cf.pm"};
2729	delete $INC{"cf/pod.pm"};	4236	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730		4237
2731	# don't, removes xs symbols, too,	4238	# don't, removes xs symbols, too,
2732	# and global variables created in xs	4239	# and global variables created in xs
2733	#Symbol::delete_package __PACKAGE__;	4240	#clear_package __PACKAGE__;
2734		4241
2735	warn "unload completed, starting to reload now";	4242	info "perl_reload: unload completed, starting to reload now";
2736		4243
2737	warn "reloading cf.pm";	4244	trace "perl_reload: reloading cf.pm";
2738	require cf;	4245	require cf;
2739	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4246	cf::_connect_to_perl_1;
2740		4247
2741	warn "loading config and database again";	4248	trace "perl_reload: loading config and database again";
2742	cf::cfg_load;	4249	cf::reload_config;
2743		4250
2744	warn "loading extensions";	4251	trace "perl_reload: loading extensions";
2745	cf::load_extensions;	4252	cf::load_extensions;
2746		4253
		4254	if ($REATTACH_ON_RELOAD) {
2747	warn "reattaching attachments to objects/players";	4255	trace "perl_reload: reattaching attachments to objects/players";
2748	_global_reattach; # objects, sockets	4256	_global_reattach; # objects, sockets
2749	warn "reattaching attachments to maps";	4257	trace "perl_reload: reattaching attachments to maps";
2750	reattach $_ for values %MAP;	4258	reattach $_ for values %MAP;
2751	warn "reattaching attachments to players";	4259	trace "perl_reload: reattaching attachments to players";
2752	reattach $_ for values %PLAYER;	4260	reattach $_ for values %PLAYER;
		4261	}
2753		4262
2754	warn "leaving sync_job";	4263	cf::_post_init 1;
2755		4264
		4265	trace "perl_reload: leaving sync_job";
		4266
2756	1	4267	1
2757	} or do {	4268	} or do {
2758	warn $@;	4269	error $@;
2759	warn "error while reloading, exiting.";	4270	cf::cleanup "perl_reload: error, exiting.";
2760	exit 1;	4271	};
		4272
		4273	--$RELOAD;
2761	};	4274	}
2762		4275
2763	warn "reloaded";	4276	$t1 = AE::time - $t1;
		4277	info "perl_reload: completed in ${t1}s\n";
2764	};	4278	};
2765		4279
2766	our $RELOAD_WATCHER; # used only during reload	4280	our $RELOAD_WATCHER; # used only during reload
2767		4281
2768	sub reload_perl() {	4282	sub reload_perl() {
2769	# doing reload synchronously and two reloads happen back-to-back,	4283	# doing reload synchronously and two reloads happen back-to-back,
2770	# coro crashes during coro_state_free->destroy here.	4284	# coro crashes during coro_state_free->destroy here.
2771		4285
2772	$RELOAD_WATCHER ||= Event->timer (	4286	$RELOAD_WATCHER ||= cf::async {
2773	reentrant => 0,	4287	Coro::AIO::aio_wait cache_extensions;
2774	after => 0,	4288
2775	data => WF_AUTOCANCEL,	4289	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2776	cb => sub {
2777	do_reload_perl;	4290	do_reload_perl;
2778	undef $RELOAD_WATCHER;	4291	undef $RELOAD_WATCHER;
2779	},	4292	};
2780	);	4293	};
2781	}	4294	}
2782		4295
2783	register_command "reload" => sub {	4296	register_command "reload" => sub {
2784	my ($who, $arg) = @_;	4297	my ($who, $arg) = @_;
2785		4298
2786	if ($who->flag (FLAG_WIZ)) {	4299	if ($who->flag (FLAG_WIZ)) {
2787	$who->message ("reloading server.");	4300	$who->message ("reloading server.");
		4301	async {
		4302	$Coro::current->{desc} = "perl_reload";
2788	async { reload_perl };	4303	reload_perl;
		4304	};
2789	}	4305	}
2790	};	4306	};
2791		4307
2792	unshift @INC, $LIBDIR;	4308	#############################################################################
2793		4309
2794	my $bug_warning = 0;	4310	my $bug_warning = 0;
2795		4311
2796	our @WAIT_FOR_TICK;
2797	our @WAIT_FOR_TICK_BEGIN;
2798
2799	sub wait_for_tick {	4312	sub wait_for_tick() {
2800	return unless $TICK_WATCHER->is_active;	4313	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2801	return if $Coro::current == $Coro::main;
2802		4314
2803	my $signal = new Coro::Signal;	4315	$WAIT_FOR_TICK->wait;
2804	push @WAIT_FOR_TICK, $signal;
2805	$signal->wait;
2806	}	4316	}
2807		4317
2808	sub wait_for_tick_begin {	4318	sub wait_for_tick_begin() {
2809	return unless $TICK_WATCHER->is_active;	4319	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2810	return if $Coro::current == $Coro::main;
2811		4320
2812	my $signal = new Coro::Signal;	4321	my $signal = new Coro::Signal;
2813	push @WAIT_FOR_TICK_BEGIN, $signal;	4322	push @WAIT_FOR_TICK_BEGIN, $signal;
2814	$signal->wait;	4323	$signal->wait;
2815	}	4324	}
2816		4325
2817	$TICK_WATCHER = Event->timer (	4326	sub tick {
2818	reentrant => 0,
2819	parked => 1,
2820	prio => 0,
2821	at => $NEXT_TICK || $TICK,
2822	data => WF_AUTOCANCEL,
2823	cb => sub {
2824	if ($Coro::current != $Coro::main) {	4327	if ($Coro::current != $Coro::main) {
2825	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4328	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826	unless ++$bug_warning > 10;	4329	unless ++$bug_warning > 10;
2827	return;	4330	return;
2828	}	4331	}
2829		4332
2830	$NOW = Event::time;	4333	cf::one_tick; # one server iteration
2831		4334
2832	cf::server_tick; # one server iteration	4335	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833		4336
2834	$RUNTIME += $TICK;
2835	$NEXT_TICK += $TICK;
2836
2837	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4337	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838	$NEXT_RUNTIME_WRITE = $NOW + 10;	4338	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839	Coro::async_pool {	4339	Coro::async_pool {
		4340	$Coro::current->{desc} = "runtime saver";
2840	write_runtime	4341	write_runtime_sync
2841	or warn "ERROR: unable to write runtime file: $!";	4342	or error "ERROR: unable to write runtime file: $!";
2842	};
2843	}	4343	};
		4344	}
2844		4345
2845	# my $AFTER = Event::time;
2846	# warn $AFTER - $NOW;#d#
2847
2848	# if we are delayed by four ticks or more, skip them all
2849	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851	$TICK_WATCHER->at ($NEXT_TICK);
2852	$TICK_WATCHER->start;
2853
2854	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855	$sig->send;	4347	$sig->send;
2856	}
2857	while (my $sig = shift @WAIT_FOR_TICK) {
2858	$sig->send;
2859	}
2860
2861	_post_tick;
2862	},	4348	}
2863	);	4349	$WAIT_FOR_TICK->broadcast;
		4350
		4351	$LOAD = ($NOW - $TICK_START) / $TICK;
		4352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4353
		4354	if (0) {
		4355	if ($NEXT_TICK) {
		4356	my $jitter = $TICK_START - $NEXT_TICK;
		4357	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4358	debug "jitter $JITTER\n";#d#
		4359	}
		4360	}
		4361	}
2864		4362
2865	{	4363	{
2866	BDB::max_poll_time $TICK * 0.1;	4364	# configure BDB
2867	$BDB_POLL_WATCHER = Event->io (	4365	info "initialising database";
2868	reentrant => 0,	4366
2869	fd => BDB::poll_fileno,
2870	poll => 'r',
2871	prio => 0,
2872	data => WF_AUTOCANCEL,
2873	cb => \&BDB::poll_cb,
2874	);
2875	BDB::min_parallel 8;	4367	BDB::min_parallel 16;
2876		4368	BDB::max_poll_reqs $TICK * 0.1;
2877	BDB::set_sync_prepare {	4369	#$AnyEvent::BDB::WATCHER->priority (1);
2878	my $status;
2879	my $current = $Coro::current;
2880	(
2881	sub {
2882	$status = $!;
2883	$current->ready; undef $current;
2884	},
2885	sub {
2886	Coro::schedule while defined $current;
2887	$! = $status;
2888	},
2889	)
2890	};
2891		4370
2892	unless ($DB_ENV) {	4371	unless ($DB_ENV) {
2893	$DB_ENV = BDB::db_env_create;	4372	$DB_ENV = BDB::db_env_create;
		4373	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4374	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4375	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4376	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4377	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894		4378
2895	cf::sync_job {	4379	cf::sync_job {
2896	eval {	4380	eval {
2897	BDB::db_env_open	4381	BDB::db_env_open
2898	$DB_ENV,	4382	$DB_ENV,
…		…
2900	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4384	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4385	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902	0666;	4386	0666;
2903		4387
2904	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4388	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907	$DB_ENV->set_lk_detect;
2908	};	4389	};
2909		4390
2910	cf::cleanup "db_env_open(db): $@" if $@;	4391	cf::cleanup "db_env_open(db): $@" if $@;
2911	};	4392	};
2912	}	4393	}
		4394
		4395	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4396	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4397	};
		4398	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4399	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4400	};
		4401	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4402	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4403	};
		4404
		4405	info "database initialised";
2913	}	4406	}
2914		4407
2915	{	4408	{
		4409	# configure IO::AIO
		4410
		4411	info "initialising aio";
2916	IO::AIO::min_parallel 8;	4412	IO::AIO::min_parallel 8;
2917
2918	undef $Coro::AIO::WATCHER;
2919	IO::AIO::max_poll_time $TICK * 0.1;	4413	IO::AIO::max_poll_time $TICK * 0.1;
2920	$AIO_POLL_WATCHER = Event->io (	4414	undef $AnyEvent::AIO::WATCHER;
2921	reentrant => 0,	4415	info "aio initialised";
2922	data => WF_AUTOCANCEL,	4416	}
2923	fd => IO::AIO::poll_fileno,	4417
2924	poll => 'r',	4418	our $_log_backtrace;
2925	prio => 6,	4419	our $_log_backtrace_last;
2926	cb => \&IO::AIO::poll_cb,	4420
2927	);	4421	sub _log_backtrace {
		4422	my ($msg, @addr) = @_;
		4423
		4424	$msg =~ s/\n$//;
		4425
		4426	if ($_log_backtrace_last eq $msg) {
		4427	LOG llevInfo, "[ABT] $msg\n";
		4428	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4429	# limit the # of concurrent backtraces
		4430	} elsif ($_log_backtrace < 2) {
		4431	$_log_backtrace_last = $msg;
		4432	++$_log_backtrace;
		4433	my $perl_bt = Carp::longmess $msg;
		4434	async {
		4435	$Coro::current->{desc} = "abt $msg";
		4436
		4437	my @bt = fork_call {
		4438	@addr = map { sprintf "%x", $_ } @addr;
		4439	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4440	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4441	or die "addr2line: $!";
		4442
		4443	my @funcs;
		4444	my @res = <$fh>;
		4445	chomp for @res;
		4446	while (@res) {
		4447	my ($func, $line) = splice @res, 0, 2, ();
		4448	push @funcs, "[$func] $line";
		4449	}
		4450
		4451	@funcs
		4452	};
		4453
		4454	LOG llevInfo, "[ABT] $perl_bt\n";
		4455	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4456	LOG llevInfo, "[ABT] $_\n" for @bt;
		4457	--$_log_backtrace;
		4458	};
		4459	} else {
		4460	LOG llevInfo, "[ABT] $msg\n";
		4461	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4462	}
2928	}	4463	}
2929		4464
2930	# load additional modules	4465	# load additional modules
2931	use cf::pod;	4466	require "cf/$_.pm" for @EXTRA_MODULES;
		4467	cf::_connect_to_perl_2;
2932		4468
2933	END { cf::emergency_save }	4469	END { cf::emergency_save }
2934		4470
2935	1	4471	1
2936		4472

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