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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 2007 UTC vs.
Revision 1.611 by root, Tue Nov 20 14:54:17 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
		153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
		156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
95	binmode STDOUT;	166	binmode STDOUT;
96	binmode STDERR;	167	binmode STDERR;
97		168
98	# read virtual server time, if available	169	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
103	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
104		177
105	mkdir $_	178	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		180
108	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
109		182
110	sub cf::map::normalise;	183	sub cf::map::normalise;
111		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
112	#############################################################################	189	#############################################################################
113		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
114	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
115		203
116	=over 4	204	=over 4
117		205
118	=item $cf::UPTIME	206	=item $cf::UPTIME
119		207
120	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
121		224
122	=item $cf::RUNTIME	225	=item $cf::RUNTIME
123		226
124	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
125	every server tick.	228	every server tick.
126		229
127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
130		233
131	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
134	database environment.	237	database environment.
135		238
		239	=item $cf::LOADAVG
		240
		241	The current CPU load on the server (alpha-smoothed), as a value between 0
		242	(none) and 1 (overloaded), indicating how much time is spent on processing
		243	objects per tick. Healthy values are < 0.5.
		244
136	=item $cf::NOW	245	=item $cf::LOAD
137		246
138	The time of the last (current) server tick.	247	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		248
144	=item %cf::CFG	249	=item %cf::CFG
145		250
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	252	from wherever your confdir points to.
148		253
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		255
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
152	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
154		289
155	=back	290	=back
156		291
157	=cut	292	=cut
158		293
159	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
160	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
161	my $msg = join "", @_;	301	my $msg = join "", @_;
162		302
163	$msg .= "\n"	303	$msg .= "\n"
164	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
165		305
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		307
168	utf8::encode $msg;
169	LOG llevError, $msg;	308	LOG llevWarn, $msg;
170	};	309	};
171	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
172		324
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		332
180	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	334	# within the Safe compartment.
182	for my $pkg (qw(	335	for my $pkg (qw(
183	cf::global cf::attachable	336	cf::global cf::attachable
184	cf::object cf::object::player	337	cf::object cf::object::player
185	cf::client cf::player	338	cf::client cf::player
186	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
187	cf::map cf::party cf::region	341	cf::party cf::region
188	)) {	342	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	344	}
192		345
193	$Event::DIED = sub {	346	$EV::DIED = sub {
194	warn "error in event callback: @_";	347	warn "error in event callback: $@";
195	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
196		356
197	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
198		358
199	=over 4	359	=over 4
200		360
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	380	$d
221	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
222	}	382	}
223		383
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
225		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
226	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
227		437
228	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
229		439
230	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
231		441
232	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
233		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
234	=item cf::lock_wait $string	513	=item cf::lock_wait $string
235		514
236	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
237		516
238	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
239		518
240	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
243	returned.	522	returned.
244		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
245	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
247		529
248	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
249		531
250	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
251		533
252	=cut	534	=cut
253		535
254	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
255		537
256	sub lock_wait($) {	538	sub lock_wait($) {
257	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	540	}
265		541
266	sub lock_acquire($) {	542	sub lock_acquire($) {
267	my ($key) = @_;	543	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	544	}
279		545
280	sub lock_active($) {	546	sub lock_active($) {
281	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	548	}
285		549
286	sub freeze_mainloop {	550	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
288		552
289	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority less than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
291	};	623	}
292	$TICK_WATCHER->stop;	624	};
293	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
294	}	639	}
295		640
296	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
297		642
298	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		648
304	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
305		650
306	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
307		652
308	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
311		657
312	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
315	fast or be very important.	661	fast or be very important.
…		…
317	=cut	663	=cut
318		664
319	sub sync_job(&) {	665	sub sync_job(&) {
320	my ($job) = @_;	666	my ($job) = @_;
321		667
322	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
323	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
325		673
326	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	675
328	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
329		677
330	my $busy = 1;	678	my $busy = 1;
331	my @res;	679	my @res;
332		680
333	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	683	@res = eval { $job->() };
335	warn $@ if $@;	684	error $@ if $@;
336	undef $busy;	685	undef $busy;
337	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
338		687
339	while ($busy) {	688	while ($busy) {
340	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
341	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
342		699
343	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
344	} else {	701	} else {
345	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
346		703
…		…
366	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
367		724
368	$coro	725	$coro
369	}	726	}
370		727
371	sub write_runtime {	728	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		729
374	my $runtime = "$LOCALDIR/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
375		734
376	warn "starting to write runtime...\n";#d#	735	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		736
380	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
381	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
382	# 60 allows for the watchdog to kill the server.	739	}
383		740
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
385	and return;	742	my ($cb, @args) = @_;
386		743
387	# always fsync - this file is important	744	my @res = Coro::Util::fork_eval {
388	aio_fsync $fh	745	cf::post_fork;
389	and return;	746	&$cb
		747	} @args;
390		748
391	close $fh	749	wantarray ? @res : $res[-1]
392	or return;	750	}
393		751
394	aio_rename "$runtime~", $runtime	752	sub objinfo {
395	and return;
396
397	warn "... done writing runtime.\n";#d#
398
399	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"
400	}	916	}
401		917
402	=item cf::datalog type => key => value, ...	918	=item cf::datalog type => key => value, ...
403		919
404	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.
405		921
406	=cut	922	=cut
407		923
408	sub datalog($@) {	924	sub datalog($@) {
409	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	927	}
412		928
413	=back	929	=back
414		930
415	=cut	931	=cut
416		932
417	#############################################################################	933	#############################################################################
418		934
419	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
420		936
421	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
422	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")
423	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
424		940
425	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>
426	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
427	crossfire+).	943	Deliantra).
428		944
429	=over 4	945	=over 4
430		946
431	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
432		948
…		…
476	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
477		993
478	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
480		996
481	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		999
484	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
485		1001
486	=over 4	1002	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	1111	$registry = $CB_TYPE[$object_type] ||= [];
596		1112
597	} elsif ($type eq "subtype") {	1113	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	1114	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	1115	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1116	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		1117
602	} elsif ($type eq "package") {	1118	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	1119	my $pkg = shift @arg;
604		1120
605	while (my ($name, $id) = each %cb_id) {	1121	while (my ($name, $id) = each %cb_id) {
…		…
610		1126
611	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		1129
614	} elsif (ref $type) {	1130	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
616		1132
617	} else {	1133	} else {
618	shift @arg;	1134	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
620	}	1136	}
621	}	1137	}
622	}	1138	}
623		1139
624	sub _object_attach {	1140	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
635	}	1151	}
636		1152
637	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
638	} else {	1154	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1156	}
641		1157
642	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
643	}	1159	}
644		1160
…		…
646	if (ref $_[0]) {	1162	if (ref $_[0]) {
647	_object_attach @_;	1163	_object_attach @_;
648	} else {	1164	} else {
649	_attach shift->_attach_registry, @_;	1165	_attach shift->_attach_registry, @_;
650	}	1166	}
		1167	_recalc_want;
651	};	1168	};
652		1169
653	# all those should be optimised	1170	# all those should be optimised
654	sub cf::attachable::detach {	1171	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1172	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1175	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1176	reattach ($obj);
660	} else {	1177	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1178	Carp::croak "cannot, currently, detach class attachments";
662	}	1179	}
		1180	_recalc_want;
663	};	1181	};
664		1182
665	sub cf::attachable::attached {	1183	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1184	my ($obj, $name) = @_;
667		1185
…		…
682	";	1200	";
683	die if $@;	1201	die if $@;
684	}	1202	}
685		1203
686	our $override;	1204	our $override;
687	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?
688		1206
689	sub override {	1207	sub override {
690	$override = 1;	1208	$override = 1;
691	@invoke_results = ();	1209	@INVOKE_RESULTS = (@_);
692	}	1210	}
693		1211
694	sub do_invoke {	1212	sub do_invoke {
695	my $event = shift;	1213	my $event = shift;
696	my $callbacks = shift;	1214	my $callbacks = shift;
697		1215
698	@invoke_results = ();	1216	@INVOKE_RESULTS = ();
699		1217
700	local $override;	1218	local $override;
701		1219
702	for (@$callbacks) {	1220	for (@$callbacks) {
703	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
704		1222
705	if ($@) {	1223	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1225	override;
709	}	1226	}
710		1227
711	return 1 if $override;	1228	return 1 if $override;
712	}	1229	}
713		1230
714	0	1231	0
715	}	1232	}
716		1233
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1235
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1237
721	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
722		1239
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1242	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1243
727	=back	1244	=back
728		1245
729	=cut	1246	=cut
730		1247
731	#############################################################################	1248	#############################################################################
732	# 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, $ob2
		1291	}
733		1292
734	sub reattach {	1293	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1295	my ($obj) = @_;
737		1296
		1297	# no longer needed after getting rid of delete_package?
738	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
739		1299
740	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
741		1301
742	@$registry = ();	1302	@$registry = ();
743		1303
…		…
748	for (@$attach) {	1308	for (@$attach) {
749	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
751	}	1311	}
752	} else {	1312	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1314	}
755	}	1315	}
756	}	1316	}
757		1317
758	cf::attachable->attach (	1318	cf::attachable->attach (
759	prio => -1000000,	1319	prio => -1000000,
760	on_instantiate => sub {	1320	on_instantiate => sub {
761	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
762		1322
763	$data = from_json $data;	1323	$data = decode_json $data;
764		1324
765	for (@$data) {	1325	for (@$data) {
766	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
767		1327
768	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1344	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
786		1346
787	sync_job {	1347	sync_job {
788	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
791		1353
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	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	}
796	close $fh;	1361	aio_close $fh;
797		1362
798	if (@$objs) {	1363	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
803	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	}
804	close $fh;	1372	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
806	}	1374	}
807	} else {	1375	} else {
808	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
809	}	1377	}
810		1378
811	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1383	} else {
813	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
814	}	1385	}
815	} else {	1386	} else {
816	aio_unlink $filename;	1387	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
818	}	1389	}
819	}	1390	};
820	}	1391	}
821		1392
822	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
824		1395
…		…
836	or return;	1407	or return;
837		1408
838	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
840	or return;	1411	or return;
		1412
841	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
842	}	1415	}
843		1416
		1417	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
846	return ($data, $av);	1422	($data, $av)
847	}	1423	}
		1424
		1425	=head2 COMMAND CALLBACKS
		1426
		1427	=over 4
		1428
		1429	=cut
848		1430
849	#############################################################################	1431	#############################################################################
850	# command handling &c	1432	# command handling &c
851		1433
852	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
853		1435
854	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
855	$name.	1437	$name.
856		1438
857	=cut	1439	=cut
…		…
863	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
864		1446
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1448	}
867		1449
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
869		1451
870	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.
871		1457
872	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
873	called.
874		1459
875	=cut	1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
876		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$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
877	sub register_extcmd {	1482	sub register_extcmd($$) {
878	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
879		1484
880	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
881	}	1486	}
882		1487
		1488	sub register_async_extcmd($$) {
		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} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
883	cf::player->attach (	1508	cf::player->attach (
884	on_command => sub {	1509	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
886		1511
887	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
888	or return;	1513	or return;
889		1514
…		…
894	cf::override;	1519	cf::override;
895	},	1520	},
896	on_extcmd => sub {	1521	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
898		1523
899	my $msg = eval { from_json $buf };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1525
901	if (ref $msg) {	1526	if (ref $msg) {
		1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1528
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1529	if (my $cb = $EXTACMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1530	$cb->(
904	$pl->ext_reply ($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);
905	}	1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
906	}	1547	}
		1548
907	} else {	1549	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1551	}
910		1552
911	cf::override;	1553	cf::override;
912	},	1554	},
913	);	1555	);
914		1556
		1557	# "readahead" all extensions
915	sub load_extension {	1558	sub cache_extensions {
916	my ($path) = @_;	1559	my $grp = IO::AIO::aio_group;
917		1560
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1562	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1564	}
943	die $@;
944	}	1565	};
945		1566
946	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;
947	}	1579	}
948		1580
949	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
		1586	cf::sync_job {
		1587	my %todo;
		1588
950	for my $ext (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1590	next unless -r $path;
952	eval {	1591
953	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 $active;
		1663	}
954	1	1664	}
955	} or warn "$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	}
956	}	1677	};
957	}	1678	}
958		1679
959	#############################################################################	1680	#############################################################################
960		1681
		1682	=back
		1683
961	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
962		1685
963	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
964		1687
965	=cut	1688	=cut
966		1689
967	package cf::player;	1690	package cf::player;
968		1691
969	use Coro::AIO;	1692	use Coro::AIO;
970		1693
971	=head3 cf::player	1694	=head3 cf::player
972		1695
973	=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	}
974		1711
975	=item cf::player::find $login	1712	=item cf::player::find $login
976		1713
977	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
978		1715
…		…
997		1734
998	sub exists($) {	1735	sub exists($) {
999	my ($login) = @_;	1736	my ($login) = @_;
1000		1737
1001	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1003	}	1740	}
1004		1741
1005	sub find($) {	1742	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1744	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1755
1019	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1022	}	1765	}
1023	}	1766	}
1024	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
1025		1781
1026	sub save($) {	1782	sub save($) {
1027	my ($pl) = @_;	1783	my ($pl) = @_;
1028		1784
1029	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1035		1791
1036	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1038		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
1039	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1040	Coro::cede;	1801	cf::cede_to_tick;
1041	}	1802	}
1042		1803
1043	sub new($) {	1804	sub new($) {
1044	my ($login) = @_;	1805	my ($login) = @_;
1045		1806
…		…
1051	$cf::PLAYER{$login} = $self;	1812	$cf::PLAYER{$login} = $self;
1052		1813
1053	$self	1814	$self
1054	}	1815	}
1055		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
1056	=item $pl->quit_character	1827	=item $pl->quit_character
1057		1828
1058	Nukes the player without looking back. If logged in, the connection will	1829	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1830	be destroyed. May block for a long time.
1060		1831
…		…
1064	my ($pl) = @_;	1835	my ($pl) = @_;
1065		1836
1066	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1067		1838
1068	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1069	$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
1070		1841
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1072	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1074	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1075		1850
1076	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1078	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1113	or return [];	1888	or return [];
1114		1889
1115	my @logins;	1890	my @logins;
1116		1891
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1121		1902
1122	utf8::decode $login;	1903	utf8::decode $login;
1123	push @logins, $login;	1904	push @logins, $login;
1124	}	1905	}
1125		1906
1126	\@logins	1907	\@logins
1127	}	1908	}
1128		1909
1129	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1130		1913
1131	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1132	player. May block.	1915	player. May block.
1133		1916
1134	=cut	1917	=cut
…		…
1152	}	1935	}
1153		1936
1154	\@paths	1937	\@paths
1155	}	1938	}
1156		1939
1157	=item $player->ext_reply ($msgid, %msg)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1158		1941
1159	Sends an ext reply to the player.	1942	Expand deliantra pod fragments into protocol xml.
1160		1943
1161	=cut
1162
1163	sub ext_reply($$%) {
1164	my ($self, $id, %msg) = @_;
1165
1166	$msg{msgid} = $id;
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}
1170
1171	=item $player->ext_event ($type, %msg)	1944	=item $player->ext_msg ($type, @msg)
1172		1945
1173	Sends an ext event to the client.	1946	Sends an ext event to the client.
1174		1947
1175	=cut	1948	=cut
1176		1949
1177	sub ext_event($$%) {	1950	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1951	my ($self, $type, @msg) = @_;
1179		1952
1180	$self->ns->ext_event ($type, %msg);	1953	$self->ns->ext_msg ($type, @msg);
1181	}	1954	}
1182		1955
1183	=head3 cf::region	1956	=head3 cf::region
1184		1957
1185	=over 4	1958	=over 4
…		…
1188		1961
1189	package cf::region;	1962	package cf::region;
1190		1963
1191	=item cf::region::find_by_path $path	1964	=item cf::region::find_by_path $path
1192		1965
1193	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.
1194		1967
1195	=cut	1968	=cut
1196		1969
1197	sub find_by_path($) {	1970	sub find_by_path($) {
1198	my ($path) = @_;	1971	my ($path) = @_;
1199		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
		1974
1200	my ($match, $specificity);	1975	my ($match, $specificity);
1201		1976
1202	for my $region (list) {	1977	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1978	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1979	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1980	if $region->specificity > $specificity;
1206	}	1981	}
1207	}	1982	}
1208		1983
…		…
1229	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1231		2006
1232	sub generate_random_map {	2007	sub generate_random_map {
1233	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1234	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1235	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1246	(cf::region::find $rmp->{region}), $rmp->{custom}
1247	)
1248	}	2013	}
1249		2014
1250	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1251		2016
1252	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
…		…
1257		2022
1258	sub register {	2023	sub register {
1259	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1260	my $pkg = caller;	2025	my $pkg = caller;
1261		2026
1262	no strict;
1263	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1264		2028
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	2030	}
1267		2031
1268	# also paths starting with '/'	2032	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		2034
1271	sub thawer_merge {	2035	sub thawer_merge {
1272	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1273		2037
1274	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
1275	local $self->{path};	2039	local $self->{path};
1276	local $self->{load_path};	2040	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		2041
1280	$self->SUPER::thawer_merge ($merge);	2042	$self->SUPER::thawer_merge ($merge);
1281	}	2043	}
1282		2044
1283	sub normalise {	2045	sub normalise {
1284	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1285		2047
1286	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1287		2049
1288	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1289		2051
1290	# map plan:	2052	# map plan:
1291	#	2053	#
…		…
1306	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1307	$path = "$base/$path";	2069	$path = "$base/$path";
1308	}	2070	}
1309		2071
1310	for ($path) {	2072	for ($path) {
1311	redo if s{//}{/};
1312	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1313	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1314	}	2075	}
1315		2076
1316	$path	2077	$path
…		…
1330	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1331	return $self;	2092	return $self;
1332	}	2093	}
1333	}	2094	}
1334		2095
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1336	()	2097	()
1337	}	2098	}
1338		2099
		2100	# may re-bless or do other evil things
1339	sub init {	2101	sub init {
1340	my ($self) = @_;	2102	my ($self) = @_;
1341		2103
1342	$self	2104	$self
1343	}	2105	}
…		…
1362		2124
1363	# the temporary/swap location	2125	# the temporary/swap location
1364	sub save_path {	2126	sub save_path {
1365	my ($self) = @_;	2127	my ($self) = @_;
1366		2128
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1369	}	2131	}
1370		2132
1371	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1372	sub uniq_path {	2134	sub uniq_path {
1373	my ($self) = @_;	2135	my ($self) = @_;
1374		2136
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1377	}	2139	}
1378		2140
1379	# and all this just because we cannot iterate over	2141	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	2142	my ($self) = @_;
1383		2143
1384	$_->change_map_light ($change)	2144	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	2145
		2146	$self->do_decay_objects;
1386	}	2147	}
1387		2148
1388	sub unlink_save {	2149	sub unlink_save {
1389	my ($self) = @_;	2150	my ($self) = @_;
1390		2151
…		…
1395		2156
1396	sub load_header_from($) {	2157	sub load_header_from($) {
1397	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1398		2159
1399	utf8::encode $path;	2160	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	2162	or return;
1405		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1406	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1407		2171
1408	1	2172	1
1409	}	2173	}
1410		2174
		2175	# used to laod the header of an original map
1411	sub load_header_orig {	2176	sub load_header_orig {
1412	my ($self) = @_;	2177	my ($self) = @_;
1413		2178
1414	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1415	}	2180	}
1416		2181
		2182	# used to laod the header of an instantiated map
1417	sub load_header_temp {	2183	sub load_header_temp {
1418	my ($self) = @_;	2184	my ($self) = @_;
1419		2185
1420	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1421	}	2187	}
1422		2188
		2189	# called after loading the header from an instantiated map
1423	sub prepare_temp {	2190	sub prepare_temp {
1424	my ($self) = @_;	2191	my ($self) = @_;
1425		2192
1426	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1427	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1428	# safety	2195	# safety
1429	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1430	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1431	}	2198	}
1432		2199
		2200	# called after loading the header from an original map
1433	sub prepare_orig {	2201	sub prepare_orig {
1434	my ($self) = @_;	2202	my ($self) = @_;
1435		2203
1436	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1437	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1448	$self->load_header_orig	2216	$self->load_header_orig
1449	or return;	2217	or return;
1450	$self->prepare_orig;	2218	$self->prepare_orig;
1451	}	2219	}
1452		2220
		2221	$self->{deny_reset} = 1
		2222	if $self->no_reset;
		2223
1453	$self->default_region (cf::region::find_by_path $self->{path})	2224	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2225	unless $self->default_region;
1455		2226
1456	1	2227	1
1457	}	2228	}
1458		2229
1459	sub find;	2230	sub find;
1460	sub find {	2231	sub find {
1461	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1462		2233
		2234	cf::cede_to_tick;
		2235
1463	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1464		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2240
1467	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1470	or return;	2243	or return;
1471		2244
1472	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1473		2246
1474	$map->load_header	2247	$map->load_header
1475	or return;	2248	or return;
1476		2249
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1480	$map->reset;	2255	$map->reset;
1481	undef $guard;
1482	return find $path;	2256	return find $path;
1483	}	2257	}
1484		2258
1485	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1486	}	2260	}
1487	}	2261	}
1488		2262
1489	sub pre_load { }	2263	sub pre_load { }
1490	sub post_load { }	2264	#sub post_load { } # XS
1491		2265
1492	sub load {	2266	sub load {
1493	my ($self) = @_;	2267	my ($self) = @_;
1494		2268
1495	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1496		2270
1497	my $path = $self->{path};	2271	my $path = $self->{path};
1498		2272
1499	{	2273	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1501		2275
		2276	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1503
1504	$self->in_memory (cf::MAP_LOADING);
1505		2278
1506	$self->alloc;	2279	$self->alloc;
1507		2280
1508	$self->pre_load;	2281	$self->pre_load;
1509	Coro::cede;	2282	cf::cede_to_tick;
1510		2283
1511	$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)
1512	or return;	2288	or return;
1513		2289
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1515	if delete $self->{load_original};	2291	if delete $self->{load_original};
1516		2292
1517	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2294	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2297	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1522	}	2302	}
1523	}
1524		2303
1525	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;
1526	# now do the right thing for maps	2313	# now do the right thing for maps
1527	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2316	unless $self->difficulty;
1530	Coro::cede;	2317	cf::cede_to_tick;
1531		2318
1532	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2320	$self->decay_objects;
1534	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1535	$self->update_buttons;	2322	$self->update_buttons;
1536	Coro::cede;	2323	cf::cede_to_tick;
1537	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1538	Coro::cede;
1539	$self->activate;
1540	}	2325	}
1541		2326
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2327	$self->{last_save} = $cf::RUNTIME;
		2328	$self->last_access ($cf::RUNTIME);
1543	}	2329	}
1544		2330
1545	$self->post_load;	2331	$self->post_load;
1546	}
1547		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
1548	sub customise_for {	2339	sub customise_for {
1549	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1550		2341
1551	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2343	if $self->per_player;
1553		2344
		2345	# return find "?party/" . $ob->name . "/" . $self->{path}
		2346	# if $self->per_party;
		2347
1554	$self	2348	$self
1555	}
1556
1557	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {
1559	my ($map) = @_;
1560
1561	my @diag; # diagonal neighbours
1562
1563	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)
1565	or next;
1566	$neigh = find $neigh, $map
1567	or next;
1568	$neigh->load;
1569
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}
1573
1574	for (@diag) {
1575	my $neigh = find @$_
1576	or next;
1577	$neigh->load;
1578	}
1579	}	2349	}
1580		2350
1581	sub find_sync {	2351	sub find_sync {
1582	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1583		2353
1584	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
1585	}	2359	}
1586		2360
1587	sub do_load_sync {	2361	sub do_load_sync {
1588	my ($map) = @_;	2362	my ($map) = @_;
1589		2363
1590	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;
1591	}	2369	}
1592		2370
1593	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1595		2373
1596	sub find_async {	2374	sub find_async {
1597	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1598		2376
1599	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1600		2378
1601	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1603	}	2381	}
1604		2382
1605	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1606	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1607	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2390	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2391	$map->load if $v;
		2392	}
1612		2393
1613	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1614	}	2395	}
1615	}	2396	}
1616	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1617	};	2398	};
1618	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1619		2400
1620	()	2401	()
1621	}	2402	}
1622		2403
		2404	# common code, used by both ->save and ->swapout
1623	sub save {	2405	sub _save {
1624	my ($self) = @_;	2406	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2407
1628	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1629		2409
1630	return unless $self->dirty;	2410	return unless $self->dirty;
1631		2411
…		…
1637	return if $self->{deny_save};	2417	return if $self->{deny_save};
1638		2418
1639	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1640		2420
1641	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
1643	};	2424	};
		2425
		2426	cf::get_slot 0.02;
1644		2427
1645	if ($uniq) {	2428	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2431	} else {
1649	$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);
1650	}	2433	}
1651	}	2434	}
1652		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
1653	sub swap_out {	2444	sub swap_out {
1654	my ($self) = @_;	2445	my ($self) = @_;
1655		2446
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
1661	return if $self->players;	2451	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		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
1665	$self->clear;	2462	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2463	}
1668		2464
1669	sub reset_at {	2465	sub reset_at {
1670	my ($self) = @_;	2466	my ($self) = @_;
1671		2467
1672	# TODO: safety, remove and allow resettable per-player maps	2468	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2469	return 1e99 if $self->{deny_reset};
1675		2470
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	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;
1678		2473
…		…
1689	my ($self) = @_;	2484	my ($self) = @_;
1690		2485
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2487
1693	return if $self->players;	2488	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2489
1696	warn "resetting map ", $self->path;#d#	2490	cf::trace "resetting map ", $self->path, "\n";
1697		2491
1698	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
1699		2493
1700	# need to save uniques path	2494	# need to save uniques path
1701	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
1702	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
1703		2497
…		…
1705	if $uniq;	2499	if $uniq;
1706	}	2500	}
1707		2501
1708	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
1709		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2506	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2507
1714	$self->unlink_save;	2508	$self->unlink_save;
1715	$self->destroy;	2509	$self->destroy;
1716	}	2510	}
1717		2511
1718	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
1719		2513
1720	sub nuke {	2514	sub nuke {
1721	my ($self) = @_;	2515	my ($self) = @_;
1722		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
1723	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
1724		2521
1725	$self->unlink_save;	2522	$self->unlink_save;
1726		2523
1727	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2529
1733	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
1734		2532
1735	$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	]
1736	}	2570	}
1737		2571
1738	=item cf::map::unique_maps	2572	=item cf::map::unique_maps
1739		2573
1740	Returns an arrayref of paths of all shared maps that have	2574	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2575	instantiated unique items. May block.
1742		2576
1743	=cut	2577	=cut
1744		2578
1745	sub unique_maps() {	2579	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2580	[
1747	or return;	2581	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2582	utf8::decode $_;
1753	next if /\.pst$/;	2583	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2585	? ()
1756	push @paths, cf::map::normalise $_;	2586	: normalise $_
		2587	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2588	]
1758
1759	\@paths
1760	}	2589	}
1761		2590
1762	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	}
1763		2622
1764	=back	2623	=back
1765		2624
1766	=head3 cf::object	2625	=head3 cf::object
1767		2626
…		…
1771		2630
1772	=over 4	2631	=over 4
1773		2632
1774	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
1775		2634
1776	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.
1777		2637
1778	=cut	2638	=cut
1779		2639
1780	sub inv_recursive_;	2640	sub inv_recursive_;
1781	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
1784		2644
1785	sub inv_recursive {	2645	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
1787	}	2647	}
1788		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
1789	package cf;	2677	package cf;
1790		2678
1791	=back	2679	=back
1792		2680
1793	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
1799	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>
1800	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
1801	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
1802		2690
1803	=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	};
1804		2706
1805	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2708	# with dialog boxes.
1807	#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
1808	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
1810		2712
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2714
1813	if ($self->{record_replies}) {	2715	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2717
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2728	}
1818	}	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 (@_);
1819	}	2740	}
1820		2741
1821	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
1822		2743
1823	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
…		…
1836		2757
1837	=item $player_object->enter_link	2758	=item $player_object->enter_link
1838		2759
1839	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}>).
1840		2761
1841	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.
1842	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.
1843		2766
1844	Will never block.	2767	Will never block.
1845		2768
1846	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
1847		2770
…		…
1867	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2791	my ($self) = @_;
1869		2792
1870	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
1871		2794
		2795	++$self->{_link_recursion};
		2796
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2798
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2800	if $self->map && $self->map->{path} ne "{link}";
1876		2801
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2803	}
1879		2804
1880	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
		2807
		2808	return unless $self->contr->active;
1882		2809
1883	my $link_pos = delete $self->{_link_pos};	2810	my $link_pos = delete $self->{_link_pos};
1884		2811
1885	unless ($map) {	2812	unless ($map) {
1886	# restore original map position	2813	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
1899		2826
1900	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
1903		2830
1904	$map->load;	2831	$map->load;
1905	$map->load_diag;
1906		2832
1907	return unless $self->contr->active;	2833	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2834
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
1912	}	2837	# entering was successful
1913		2838	delete $self->{_link_recursion};
1914	cf::player->attach (	2839	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2840	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2841	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2842
1928	# try to abort aborted map switching on player login :)	2843	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2844
1946	=item $player_object->goto ($path, $x, $y)	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		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
1948	=cut	2856	=cut
		2857
		2858	our $GOTOGEN;
1949		2859
1950	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
1951	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;
1952		2871
1953	$self->enter_link;	2872	$self->enter_link;
1954		2873
1955	(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
1956	my $map = eval {	2896	my $map = eval {
1957	my $map = cf::map::find $path;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2898
		2899	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2912	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2913
		2914	if ($gen == $self->{_goto_generation}) {
		2915	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
		2917	}
		2918
		2919	$done->($self) if $done;
1964	})->prio (1);	2920	})->prio (1);
1965	}	2921	}
1966		2922
1967	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
1968		2924
…		…
1988	}	2944	}
1989		2945
1990	sub prepare_random_map {	2946	sub prepare_random_map {
1991	my ($exit) = @_;	2947	my ($exit) = @_;
1992		2948
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2949	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2950	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2951	# that depends on the exit object
1998		2952
1999	my $rmp = parse_random_map_params $exit->msg;	2953	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2955	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2956	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2957	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2958	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2959	$rmp->{origin_y} = $exit->y;
		2960
		2961	$exit->map->touch;
2006	}	2962	}
2007		2963
2008	$rmp->{random_seed} ||= $exit->random_seed;	2964	$rmp->{random_seed} ||= $exit->random_seed;
2009		2965
2010	my $data = cf::to_json $rmp;	2966	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2967	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2968	my $meta = "$RANDOMDIR/$md5.meta";
2013		2969
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2970	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2971	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2972	undef $fh;
2017	aio_rename "$meta~", $meta;	2973	aio_rename "$meta~", $meta;
2018		2974
		2975	my $slaying = "?random/$md5";
		2976
		2977	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2978	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2979	$exit->msg (undef);
		2980	}
2021	}	2981	}
2022	}	2982	}
2023		2983
2024	sub cf::object::player::enter_exit {	2984	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2985	my ($self, $exit) = @_;
2026		2986
2027	return unless $self->type == cf::PLAYER;	2987	return unless $self->type == cf::PLAYER;
2028		2988
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2989	$self->enter_link;
2041		2990
2042	(async {	2991	(async {
2043	$self->deactivate_recursive; # just to be sure	2992	$Coro::current->{desc} = "enter_exit";
		2993
2044	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
2045	$self->goto ($slaying, $hp, $sp);	3024	$self->goto ($map, $x, $y);
2046		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
2047	1;	3030	1
2048	}) {	3031	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "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. "
2051	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2053		3036
2054	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	3038	$self->leave_link;
2056	}	3039	}
2057	})->prio (1);	3040	})->prio (1);
2058	}	3041	}
2059		3042
2060	=head3 cf::client	3043	=head3 cf::client
2061		3044
2062	=over 4	3045	=over 4
2063		3046
2064	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2065		3048
2066	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2067	should not be used under normal circumstances.	3050	them as required.
2068		3051
2069	=cut	3052	=cut
2070		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
2071	sub cf::client::send_drawinfo {	3201	sub cf::client::send_msg {
2072	my ($self, $text, $flags) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2073		3203
2074	utf8::encode $text;	3204	$msg = $self->pl->expand_cfpod ($msg)
2075	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3205	unless $color & cf::NDI_VERBATIM;
2076	}
2077		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
2078	=item $client->ext_event ($type, %msg)	3240	=item $client->ext_msg ($type, @msg)
2079		3241
2080	Sends an exti event to the client.	3242	Sends an ext event to the client.
2081		3243
2082	=cut	3244	=cut
2083		3245
2084	sub cf::client::ext_event($$%) {	3246	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3247	my ($self, $type, @msg) = @_;
2086		3248
2087	$msg{msgtype} = "event_$type";	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2088	$self->send_packet ("ext " . cf::to_json \%msg);
2089	}	3250	}
2090		3251
2091	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2092		3253
2093	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		3257
2097	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
2098	reliable at some point in the future.	3259	become reliable at some point in the future.
2099		3260
2100	=cut	3261	=cut
2101		3262
2102	sub cf::client::query {	3263	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3264	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3272	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3273	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3274
2114	$self->send_packet ($self->{query_queue}[0][0])	3275	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3276	if @{ $self->{query_queue} } == 1;
		3277
		3278	1
		3279	}
		3280
		3281	=item $client->update_command_faces
		3282
		3283	=cut
		3284
		3285	our %COMMAND_FACE;
		3286
		3287	sub cf::client::update_command_faces {
		3288	my ($self) = @_;
		3289
		3290	my @faces = grep $_,
		3291	$COMMAND_FACE{standard},
		3292	$COMMAND_FACE{emote},
		3293	$COMMAND_FACE{skill},
		3294	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3295	;
		3296
		3297	$self->send_face ($_)
		3298	for @faces;
		3299	$self->flush_fx;
		3300
		3301	$self->ext_msg (command_list => @faces);
		3302	}
		3303
		3304	=item cf::client::set_command_face $type, $commands
		3305
		3306	=cut
		3307
		3308	sub cf::client::set_command_face {
		3309	my ($type, $list) = @_;
		3310
		3311	my $idx = &cf::face::set ( #d# ugly forward reference
		3312	"command_list/$type" => cf::FT_RSRC,
		3313	JSON::XS->new->utf8->encode ([ sort @$list ])
		3314	);
		3315
		3316	$COMMAND_FACE{$type} = $idx;
2116	}	3317	}
2117		3318
2118	cf::client->attach (	3319	cf::client->attach (
		3320	on_connect => sub {
		3321	my ($ns) = @_;
		3322
		3323	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3324	},
2119	on_reply => sub {	3325	on_reply => sub {
2120	my ($ns, $msg) = @_;	3326	my ($ns, $msg) = @_;
2121		3327
2122	# this weird shuffling is so that direct followup queries	3328	# this weird shuffling is so that direct followup queries
2123	# get handled first	3329	# get handled first
…		…
2135	} else {	3341	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3342	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3343	}
2138	}	3344	}
2139	},	3345	},
		3346	on_exticmd => sub {
		3347	my ($ns, $buf) = @_;
		3348
		3349	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3350
		3351	if (ref $msg) {
		3352	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3353
		3354	if (my $cb = $EXTIACMD{$type}) {
		3355	$cb->(
		3356	$ns,
		3357	sub {
		3358	$ns->ext_msg ("reply-$reply", @_)
		3359	if $reply;
		3360	},
		3361	@payload
		3362	);
		3363	} else {
		3364	my @reply;
		3365
		3366	if (my $cb = $EXTICMD{$type}) {
		3367	@reply = $cb->($ns, @payload);
		3368	}
		3369
		3370	$ns->ext_msg ("reply-$reply", @reply)
		3371	if $reply;
		3372	}
		3373	} else {
		3374	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3375	}
		3376
		3377	cf::override;
		3378	},
2140	);	3379	);
2141		3380
2142	=item $client->async (\&cb)	3381	=item $client->async (\&cb)
2143		3382
2144	Create a new coroutine, running the specified callback. The coroutine will	3383	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3399
2161	$coro	3400	$coro
2162	}	3401	}
2163		3402
2164	cf::client->attach (	3403	cf::client->attach (
2165	on_destroy => sub {	3404	on_client_destroy => sub {
2166	my ($ns) = @_;	3405	my ($ns) = @_;
2167		3406
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3407	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3408	},
2170	);	3409	);
…		…
2185	our $safe = new Safe "safe";	3424	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3425	our $safe_hole = new Safe::Hole;
2187		3426
2188	$SIG{FPE} = 'IGNORE';	3427	$SIG{FPE} = 'IGNORE';
2189		3428
2190	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3429	$safe->permit_only (Opcode::opset qw(
		3430	:base_core :base_mem :base_orig :base_math :base_loop
		3431	grepstart grepwhile mapstart mapwhile
		3432	sort time
		3433	));
2191		3434
2192	# here we export the classes and methods available to script code	3435	# here we export the classes and methods available to script code
2193		3436
2194	=pod	3437	=pod
2195		3438
2196	The following functions and methods are available within a safe environment:	3439	The following functions and methods are available within a safe environment:
2197		3440
2198	cf::object contr pay_amount pay_player map	3441	cf::object
		3442	contr pay_amount pay_player map x y force_find force_add destroy
		3443	insert remove name archname title slaying race decrease split
		3444	value
		3445
2199	cf::object::player player	3446	cf::object::player
2200	cf::player peaceful	3447	player
2201	cf::map trigger	3448
		3449	cf::player
		3450	peaceful
		3451
		3452	cf::map
		3453	trigger
2202		3454
2203	=cut	3455	=cut
2204		3456
2205	for (	3457	for (
2206	["cf::object" => qw(contr pay_amount pay_player map)],	3458	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3459	insert remove inv nrof name archname title slaying race
		3460	decrease split destroy change_exp value msg lore send_msg)],
2207	["cf::object::player" => qw(player)],	3461	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3462	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3463	["cf::map" => qw(trigger)],
2210	) {	3464	) {
2211	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3465	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3466	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214	for @funs;	3467	for @funs;
2215	}	3468	}
2216		3469
…		…
2231		3484
2232	my $qcode = $code;	3485	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3486	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3487	$qcode =~ s/\n/\\n/g;
2235		3488
		3489	%vars = (_dummy => 0) unless %vars;
		3490
		3491	my @res;
2236	local $_;	3492	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3493
2239	my $eval =	3494	my $eval =
2240	"do {\n"	3495	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3496	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3497	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3498	. $code
2244	. "\n}"	3499	. "\n}"
2245	;	3500	;
2246		3501
		3502	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3503	sub_generation_inc;
		3504	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3505	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	sub_generation_inc;	3506	sub_generation_inc;
		3507	} else {
		3508	local @cf::_safe_eval_args = values %vars;
		3509	@res = wantarray ? eval eval : scalar eval $eval;
		3510	}
2250		3511
2251	if ($@) {	3512	if ($@) {
2252	warn "$@";	3513	warn "$@",
2253	warn "while executing safe code '$code'\n";	3514	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3515	"with arguments " . (join " ", %vars) . "\n";
2255	}	3516	}
2256		3517
2257	wantarray ? @res : $res[0]	3518	wantarray ? @res : $res[0]
2258	}	3519	}
2259		3520
…		…
2273	=cut	3534	=cut
2274		3535
2275	sub register_script_function {	3536	sub register_script_function {
2276	my ($fun, $cb) = @_;	3537	my ($fun, $cb) = @_;
2277		3538
2278	no strict 'refs';	3539	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3540	*$fun = $safe_hole->wrap ($cb);
2280	}	3541	}
2281		3542
2282	=back	3543	=back
2283		3544
2284	=cut	3545	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3546
2460	#############################################################################	3547	#############################################################################
2461	# the server's init and main functions	3548	# the server's init and main functions
2462		3549
		3550	{
		3551	package cf::face;
		3552
		3553	our %HASH; # hash => idx
		3554	our @DATA; # dynamically-created facedata, only faceste 0 used
		3555	our @FOFS; # file offset, if > 0
		3556	our @SIZE; # size of face, in octets
		3557	our @META; # meta hash of face, if any
		3558	our $DATAFH; # facedata filehandle
		3559
		3560	# internal api, not finalised
		3561	sub set {
		3562	my ($name, $type, $data) = @_;
		3563
		3564	my $idx = cf::face::find $name;
		3565
		3566	if ($idx) {
		3567	delete $HASH{cf::face::get_csum $idx};
		3568	} else {
		3569	$idx = cf::face::alloc $name;
		3570	}
		3571
		3572	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3573
		3574	cf::face::set_type $idx, $type;
		3575	cf::face::set_csum $idx, 0, $hash;
		3576
		3577	# we need to destroy the SV itself, not just modify it, as a running ix
		3578	# might hold a reference to it: "delete" achieves that.
		3579	delete $FOFS[0][$idx];
		3580	delete $DATA[0][$idx];
		3581	$DATA[0][$idx] = $data;
		3582	$SIZE[0][$idx] = length $data;
		3583	delete $META[$idx];
		3584	$HASH{$hash} = $idx;#d#
		3585
		3586	$idx
		3587	}
		3588
		3589	sub _get_data($$$) {
		3590	my ($idx, $set, $cb) = @_;
		3591
		3592	if (defined $DATA[$set][$idx]) {
		3593	$cb->($DATA[$set][$idx]);
		3594	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3595	my $size = $SIZE[$set][$idx];
		3596	my $buf;
		3597	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3598	if ($_[0] == $size) {
		3599	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3600	$cb->($buf);
		3601	} else {
		3602	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3603	}
		3604	};
		3605	} else {
		3606	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3607	}
		3608	}
		3609
		3610	# rather ineffient
		3611	sub cf::face::get_data($;$) {
		3612	my ($idx, $set) = @_;
		3613
		3614	_get_data $idx, $set, Coro::rouse_cb;
		3615	Coro::rouse_wait
		3616	}
		3617
		3618	sub cf::face::ix {
		3619	my ($ns, $set, $idx, $pri) = @_;
		3620
		3621	_get_data $idx, $set, sub {
		3622	$ns->ix_send ($idx, $pri, $_[0]);
		3623	};
		3624	}
		3625	}
		3626
2463	sub load_facedata($) {	3627	sub load_facedata($) {
2464	my ($path) = @_;	3628	my ($path) = @_;
2465		3629
		3630	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3631
2466	warn "loading facedata from $path\n";	3632	trace "loading facedata from $path\n";
2467		3633
2468	my $facedata;	3634	my $facedata = decode_storable load_file "$path/faceinfo";
2469	0 < aio_load $path, $facedata
2470	or die "$path: $!";
2471
2472	$facedata = Coro::Storable::thaw $facedata;
2473		3635
2474	$facedata->{version} == 2	3636	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3637	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3638
		3639	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3640	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3641
		3642	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3643
		3644	# BEGIN ATOMIC
		3645	# from here on, everything must be atomic - no thread switch allowed
		3646	my $t1 = EV::time;
2476		3647
2477	{	3648	{
2478	my $faces = $facedata->{faceinfo};	3649	my $faces = $facedata->{faceinfo};
2479		3650
2480	while (my ($face, $info) = each %$faces) {	3651	for my $face (sort keys %$faces) {
		3652	my $info = $faces->{$face};
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3653	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3654
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3655	cf::face::set_visibility $idx, $info->{visibility};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3656	cf::face::set_magicmap $idx, $info->{magicmap};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3657	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2485	Coro::cede;	3658	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3659	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3660	$cf::face::HASH{$info->{hash64}} = $idx;
		3661	delete $cf::face::META[$idx];
2486	}	3662	}
2487		3663
2488	while (my ($face, $info) = each %$faces) {	3664	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3665	next unless $info->{smooth};
		3666
2490	my $idx = cf::face::find $face	3667	my $idx = cf::face::find $face
2491	or next;	3668	or next;
		3669
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3670	if (my $smooth = cf::face::find $info->{smooth}) {
		3671	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3672	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3673	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3674	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3675	}
2497	Coro::cede;
2498	}	3676	}
2499	}	3677	}
2500		3678
2501	{	3679	{
2502	my $anims = $facedata->{animinfo};	3680	my $anims = $facedata->{animinfo};
2503		3681
2504	while (my ($anim, $info) = each %$anims) {	3682	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3683	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;
2507	}	3684	}
2508		3685
2509	cf::anim::invalidate_all; # d'oh	3686	cf::anim::invalidate_all; # d'oh
2510	}	3687	}
2511		3688
		3689	{
		3690	my $res = $facedata->{resource};
		3691
		3692	while (my ($name, $info) = each %$res) {
		3693	if (defined (my $type = $info->{type})) {
		3694	# TODO: different hash - must free and use new index, or cache ixface data queue
		3695	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3696
		3697	cf::face::set_type $idx, $type;
		3698	cf::face::set_csum $idx, 0, $info->{hash};
		3699	$cf::face::SIZE[0][$idx] = $info->{size};
		3700	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3701	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3702	$cf::face::HASH{$info->{hash}} = $idx;
		3703	} else {
		3704	# $RESOURCE{$name} = $info; # unused
		3705	}
		3706	}
		3707	}
		3708
		3709	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3710
		3711	# HACK to clear player env face cache, we need some signal framework
		3712	# for this (global event?)
		3713	%ext::player_env::MUSIC_FACE_CACHE = ();
		3714
		3715	# END ATOMIC
		3716
		3717	cf::debug "facedata atomic update time ", EV::time - $t1;
		3718
		3719	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3720
		3721	aio_close $fh if $fh; # close old facedata
		3722
2512	1	3723	1
2513	}	3724	}
2514		3725
		3726	register_exticmd fx_want => sub {
		3727	my ($ns, $want) = @_;
		3728
		3729	while (my ($k, $v) = each %$want) {
		3730	$ns->fx_want ($k, $v);
		3731	}
		3732	};
		3733
		3734	sub load_resource_file($) {
		3735	my $guard = lock_acquire "load_resource_file";
		3736
		3737	my $status = load_resource_file_ $_[0];
		3738	get_slot 0.1, 100;
		3739	cf::arch::commit_load;
		3740
		3741	$status
		3742	}
		3743
		3744	sub reload_exp_table {
		3745	_reload_exp_table;
		3746
		3747	cf::face::set
		3748	"res/exp_table" => FT_RSRC,
		3749	JSON::XS->new->utf8->canonical->encode (
		3750	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3751	);
		3752	}
		3753
		3754	sub reload_materials {
		3755	_reload_materials;
		3756	}
		3757
2515	sub reload_regions {	3758	sub reload_regions {
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
2516	load_resource_file "$MAPDIR/regions"	3763	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3764	or die "unable to load regions file\n";
		3765
		3766	for (cf::region::list) {
		3767	$_->{match} = qr/$_->{match}/
		3768	if exists $_->{match};
		3769	}
2518	}	3770	}
2519		3771
2520	sub reload_facedata {	3772	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3773	load_facedata $DATADIR
2522	or die "unable to load facedata\n";	3774	or die "unable to load facedata\n";
2523	}	3775	}
2524		3776
2525	sub reload_archetypes {	3777	sub reload_archetypes {
2526	load_resource_file "$DATADIR/archetypes"	3778	load_resource_file "$DATADIR/archetypes"
2527	or die "unable to load archetypes\n";	3779	or die "unable to load archetypes\n";
		3780
		3781	cf::face::set
		3782	"res/skill_info" => FT_RSRC,
		3783	JSON::XS->new->utf8->canonical->encode (
		3784	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3785	);
		3786
		3787	cf::face::set
		3788	"res/spell_paths" => FT_RSRC,
		3789	JSON::XS->new->utf8->canonical->encode (
		3790	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3791	);
		3792
		3793	# command completion
		3794	my @commands;
		3795
		3796	for (0..cf::arch::skillvec_size - 1) {
		3797	my $skill = cf::arch::skillvec $_;
		3798	my $name = $skill->name;
		3799	my $flags = cf::skill_flags $skill->subtype;
		3800
		3801	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3802	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3803	}
		3804
		3805	cf::client::set_command_face skill => \@commands;
2528	}	3806	}
2529		3807
2530	sub reload_treasures {	3808	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3809	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3810	or die "unable to load treasurelists\n";
2533	}	3811	}
2534		3812
		3813	sub reload_sound {
		3814	trace "loading sound config from $DATADIR/sound\n";
		3815
		3816	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3817
		3818	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3819	my $sound = $soundconf->{compat}[$_]
		3820	or next;
		3821
		3822	my $face = cf::face::find "sound/$sound->[1]";
		3823	cf::sound::set $sound->[0] => $face;
		3824	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3825	}
		3826
		3827	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3828	my $face = cf::face::find "sound/$v";
		3829	cf::sound::set $k => $face;
		3830	}
		3831	}
		3832
2535	sub reload_resources {	3833	sub reload_resources {
2536	warn "reloading resource files...\n";	3834	trace "reloading resource files...\n";
2537		3835
		3836	reload_materials;
		3837	reload_facedata;
		3838	reload_exp_table;
		3839	reload_sound;
		3840	reload_archetypes;
2538	reload_regions;	3841	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3842	reload_treasures;
2542		3843
2543	warn "finished reloading resource files\n";	3844	trace "finished reloading resource files\n";
2544	}	3845	}
2545		3846
2546	sub init {	3847	sub reload_config {
2547	reload_resources;	3848	trace "reloading config file...\n";
2548	}
2549		3849
2550	sub cfg_load {	3850	my $config = load_file "$CONFDIR/config";
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3851	utf8::decode $config;
2552	or return;	3852	*CFG = decode_yaml $config;
2553		3853
2554	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;
2556
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3854	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3855
2559	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3856	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2560	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3857	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2561		3858
2562	if (exists $CFG{mlockall}) {	3859	if (exists $CFG{mlockall}) {
…		…
2566	};	3863	};
2567	warn $@ if $@;	3864	warn $@ if $@;
2568	}	3865	}
2569	}	3866	}
2570		3867
		3868	sub pidfile() {
		3869	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3870	or die "$PIDFILE: $!";
		3871	flock $fh, &Fcntl::LOCK_EX
		3872	or die "$PIDFILE: flock: $!";
		3873	$fh
		3874	}
		3875
		3876	# make sure only one server instance is running at any one time
		3877	sub atomic {
		3878	my $fh = pidfile;
		3879
		3880	my $pid = <$fh>;
		3881	kill 9, $pid if $pid > 0;
		3882
		3883	seek $fh, 0, 0;
		3884	print $fh $$;
		3885	}
		3886
		3887	sub main_loop {
		3888	trace "EV::loop starting\n";
		3889	if (1) {
		3890	EV::loop;
		3891	}
		3892	trace "EV::loop returned\n";
		3893	goto &main_loop unless $REALLY_UNLOOP;
		3894	}
		3895
2571	sub main {	3896	sub main {
		3897	cf::init_globals; # initialise logging
		3898
		3899	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3900	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3901	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3902	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3903
		3904	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3905
2572	# we must not ever block the main coroutine	3906	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3907	$Coro::idle = sub {
2574	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3908	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2575	(async {	3909	(async {
2576	Event::one_event;	3910	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3911	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3912	})->prio (Coro::PRIO_MAX);
2578	};	3913	};
2579		3914
2580	cfg_load;	3915	evthread_start IO::AIO::poll_fileno;
		3916
		3917	cf::sync_job {
		3918	cf::incloader::init ();
		3919
2581	db_init;	3920	db_init;
		3921
		3922	cf::init_anim;
		3923	cf::init_attackmess;
		3924	cf::init_dynamic;
		3925
		3926	cf::load_settings;
		3927
		3928	reload_resources;
		3929	reload_config;
		3930
		3931	cf::init_uuid;
		3932	cf::init_signals;
		3933	cf::init_skills;
		3934
		3935	cf::init_beforeplay;
		3936
		3937	atomic;
		3938
2582	load_extensions;	3939	load_extensions;
2583		3940
2584	$TICK_WATCHER->start;	3941	utime time, time, $RUNTIMEFILE;
2585	Event::loop;	3942
		3943	# no (long-running) fork's whatsoever before this point(!)
		3944	use POSIX ();
		3945	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3946
		3947	cf::_post_init 0;
		3948	};
		3949
		3950	cf::object::thawer::errors_are_fatal 0;
		3951	info "parse errors in files are no longer fatal from this point on.\n";
		3952
		3953	AE::postpone {
		3954	undef &main; # free gobs of memory :)
		3955	};
		3956
		3957	goto &main_loop;
2586	}	3958	}
2587		3959
2588	#############################################################################	3960	#############################################################################
2589	# initialisation and cleanup	3961	# initialisation and cleanup
2590		3962
2591	# install some emergency cleanup handlers	3963	# install some emergency cleanup handlers
2592	BEGIN {	3964	BEGIN {
		3965	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3966	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3967	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3968	cf::cleanup "SIG$signal";
2601	},
2602	);	3969	};
		3970	}
		3971	}
		3972
		3973	sub write_runtime_sync {
		3974	my $t0 = AE::time;
		3975
		3976	# first touch the runtime file to show we are still running:
		3977	# the fsync below can take a very very long time.
		3978
		3979	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3980
		3981	my $guard = cf::lock_acquire "write_runtime";
		3982
		3983	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3984	or return;
		3985
		3986	my $value = $cf::RUNTIME + 90 + 10;
		3987	# 10 is the runtime save interval, for a monotonic clock
		3988	# 60 allows for the watchdog to kill the server.
		3989
		3990	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3991	and return;
		3992
		3993	# always fsync - this file is important
		3994	aio_fsync $fh
		3995	and return;
		3996
		3997	# touch it again to show we are up-to-date
		3998	aio_utime $fh, undef, undef;
		3999
		4000	close $fh
		4001	or return;
		4002
		4003	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		4004	and return;
		4005
		4006	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		4007
2603	}	4008	1
		4009	}
		4010
		4011	our $uuid_lock;
		4012	our $uuid_skip;
		4013
		4014	sub write_uuid_sync($) {
		4015	$uuid_skip ||= $_[0];
		4016
		4017	return if $uuid_lock;
		4018	local $uuid_lock = 1;
		4019
		4020	my $uuid = "$LOCALDIR/uuid";
		4021
		4022	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4023	or return;
		4024
		4025	my $value = uuid_seq uuid_cur;
		4026
		4027	unless ($value) {
		4028	info "cowardly refusing to write zero uuid value!\n";
		4029	return;
		4030	}
		4031
		4032	my $value = uuid_str $value + $uuid_skip;
		4033	$uuid_skip = 0;
		4034
		4035	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4036	and return;
		4037
		4038	# always fsync - this file is important
		4039	aio_fsync $fh
		4040	and return;
		4041
		4042	close $fh
		4043	or return;
		4044
		4045	aio_rename "$uuid~", $uuid
		4046	and return;
		4047
		4048	trace "uuid file written ($value).\n";
		4049
		4050	1
		4051
		4052	}
		4053
		4054	sub write_uuid($$) {
		4055	my ($skip, $sync) = @_;
		4056
		4057	$sync ? write_uuid_sync $skip
		4058	: async { write_uuid_sync $skip };
2604	}	4059	}
2605		4060
2606	sub emergency_save() {	4061	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	4062	my $freeze_guard = cf::freeze_mainloop;
2608		4063
2609	warn "enter emergency perl save\n";	4064	info "emergency_perl_save: enter\n";
		4065
		4066	# this is a trade-off: we want to be very quick here, so
		4067	# save all maps without fsync, and later call a global sync
		4068	# (which in turn might be very very slow)
		4069	local $USE_FSYNC = 0;
2610		4070
2611	cf::sync_job {	4071	cf::sync_job {
		4072	cf::write_runtime_sync; # external watchdog should not bark
		4073
2612	# use a peculiar iteration method to avoid tripping on perl	4074	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	4075	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	4076	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	4077	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	4078	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	4079	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	4080	$pl->valid or next;
		4081	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	4082	$pl->save;
2620	}	4083	}
2621	warn "end emergency player save\n";	4084	info "emergency_perl_save: end player save\n";
2622		4085
2623	warn "begin emergency map save\n";	4086	cf::write_runtime_sync; # external watchdog should not bark
		4087
		4088	info "emergency_perl_save: begin map save\n";
2624	for my $path (keys %cf::MAP) {	4089	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	4090	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	4091	$map->valid or next;
2627	$map->save;	4092	$map->save;
2628	}	4093	}
2629	warn "end emergency map save\n";	4094	info "emergency_perl_save: end map save\n";
2630		4095
2631	warn "begin emergency database checkpoint\n";	4096	cf::write_runtime_sync; # external watchdog should not bark
		4097
		4098	info "emergency_perl_save: begin database checkpoint\n";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	4099	BDB::db_env_txn_checkpoint $DB_ENV;
2633	warn "end emergency database checkpoint\n";	4100	info "emergency_perl_save: end database checkpoint\n";
		4101
		4102	info "emergency_perl_save: begin write uuid\n";
		4103	write_uuid_sync 1;
		4104	info "emergency_perl_save: end write uuid\n";
		4105
		4106	cf::write_runtime_sync; # external watchdog should not bark
		4107
		4108	trace "emergency_perl_save: syncing database to disk";
		4109	BDB::db_env_txn_checkpoint $DB_ENV;
		4110
		4111	info "emergency_perl_save: starting sync\n";
		4112	IO::AIO::aio_sync sub {
		4113	info "emergency_perl_save: finished sync\n";
		4114	};
		4115
		4116	cf::write_runtime_sync; # external watchdog should not bark
		4117
		4118	trace "emergency_perl_save: flushing outstanding aio requests";
		4119	while (IO::AIO::nreqs || BDB::nreqs) {
		4120	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4121	}
		4122
		4123	cf::write_runtime_sync; # external watchdog should not bark
2634	};	4124	};
2635		4125
2636	warn "leave emergency perl save\n";	4126	info "emergency_perl_save: leave\n";
2637	}	4127	}
2638		4128
2639	sub post_cleanup {	4129	sub post_cleanup {
2640	my ($make_core) = @_;	4130	my ($make_core) = @_;
2641		4131
		4132	IO::AIO::flush;
		4133
2642	warn Carp::longmess "post_cleanup backtrace"	4134	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	4135	if $make_core;
		4136
		4137	my $fh = pidfile;
		4138	unlink $PIDFILE if <$fh> == $$;
		4139	}
		4140
		4141	# a safer delete_package, copied from Symbol
		4142	sub clear_package($) {
		4143	my $pkg = shift;
		4144
		4145	# expand to full symbol table name if needed
		4146	unless ($pkg =~ /^main::.*::$/) {
		4147	$pkg = "main$pkg" if $pkg =~ /^::/;
		4148	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4149	$pkg .= '::' unless $pkg =~ /::$/;
		4150	}
		4151
		4152	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4153	my $stem_symtab = *{$stem}{HASH};
		4154
		4155	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4156	or return;
		4157
		4158	# clear all symbols
		4159	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4160	for my $name (keys %$leaf_symtab) {
		4161	_gv_clear *{"$pkg$name"};
		4162	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4163	}
2644	}	4164	}
2645		4165
2646	sub do_reload_perl() {	4166	sub do_reload_perl() {
2647	# can/must only be called in main	4167	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	4168	unless (in_main) {
2649	warn "can only reload from main coroutine";	4169	error "can only reload from main coroutine";
2650	return;	4170	return;
2651	}	4171	}
2652		4172
2653	warn "reloading...";	4173	return if $RELOAD++;
2654		4174
2655	warn "entering sync_job";	4175	my $t1 = AE::time;
2656		4176
		4177	while ($RELOAD) {
		4178	cf::get_slot 0.1, -1, "reload_perl";
		4179	info "perl_reload: reloading...";
		4180
		4181	trace "perl_reload: entering sync_job";
		4182
2657	cf::sync_job {	4183	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark
2659	cf::emergency_save;	4184	#cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark
2661		4185
2662	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665	# if anything goes wrong in here, we should simply crash as we already saved
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";	4186	trace "perl_reload: cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;	4187	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();	4188	%EXT_CORO = ();
2686		4189
2687	warn "removing commands";	4190	trace "perl_reload: removing commands";
2688	%COMMAND = ();	4191	%COMMAND = ();
2689		4192
2690	warn "removing ext commands";	4193	trace "perl_reload: removing ext/exti commands";
2691	%EXTCMD = ();	4194	%EXTCMD = ();
		4195	%EXTICMD = ();
2692		4196
2693	warn "unloading/nuking all extensions";	4197	trace "perl_reload: unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	4198	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	4199	trace "... unloading $pkg";
2696		4200
2697	if (my $cb = $pkg->can ("unload")) {	4201	if (my $cb = $pkg->can ("unload")) {
2698	eval {	4202	eval {
2699	$cb->($pkg);	4203	$cb->($pkg);
2700	1	4204	1
2701	} or warn "$pkg unloaded, but with errors: $@";	4205	} or error "$pkg unloaded, but with errors: $@";
		4206	}
		4207
		4208	trace "... clearing $pkg";
		4209	clear_package $pkg;
2702	}	4210	}
2703		4211
2704	warn "... nuking $pkg";
2705	Symbol::delete_package $pkg;
2706	}
2707
2708	warn "unloading all perl modules loaded from $LIBDIR";	4212	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2709	while (my ($k, $v) = each %INC) {	4213	while (my ($k, $v) = each %INC) {
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4214	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		4215
2712	warn "... unloading $k";	4216	trace "... unloading $k";
2713	delete $INC{$k};	4217	delete $INC{$k};
2714		4218
2715	$k =~ s/\.pm$//;	4219	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;	4220	$k =~ s/\//::/g;
2717		4221
2718	if (my $cb = $k->can ("unload_module")) {	4222	if (my $cb = $k->can ("unload_module")) {
2719	$cb->();	4223	$cb->();
		4224	}
		4225
		4226	clear_package $k;
2720	}	4227	}
2721		4228
2722	Symbol::delete_package $k;
2723	}
2724
2725	warn "getting rid of safe::, as good as possible";	4229	trace "perl_reload: getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	4230	clear_package "safe::$_"
2727	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4231	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2728		4232
2729	warn "unloading cf.pm \"a bit\"";	4233	trace "perl_reload: unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	4234	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	4235	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		4236
2733	# don't, removes xs symbols, too,	4237	# don't, removes xs symbols, too,
2734	# and global variables created in xs	4238	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	4239	#clear_package __PACKAGE__;
2736		4240
2737	warn "unload completed, starting to reload now";	4241	info "perl_reload: unload completed, starting to reload now";
2738		4242
2739	warn "reloading cf.pm";	4243	trace "perl_reload: reloading cf.pm";
2740	require cf;	4244	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4245	cf::_connect_to_perl_1;
2742		4246
2743	warn "loading config and database again";	4247	trace "perl_reload: loading config and database again";
2744	cf::cfg_load;	4248	cf::reload_config;
2745		4249
2746	warn "loading extensions";	4250	trace "perl_reload: loading extensions";
2747	cf::load_extensions;	4251	cf::load_extensions;
2748		4252
		4253	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	4254	trace "perl_reload: reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	4255	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	4256	trace "perl_reload: reattaching attachments to maps";
2752	reattach $_ for values %MAP;	4257	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	4258	trace "perl_reload: reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	4259	reattach $_ for values %PLAYER;
		4260	}
2755		4261
2756	warn "leaving sync_job";	4262	cf::_post_init 1;
2757		4263
		4264	trace "perl_reload: leaving sync_job";
		4265
2758	1	4266	1
2759	} or do {	4267	} or do {
2760	warn $@;	4268	error $@;
2761	warn "error while reloading, exiting.";	4269	cf::cleanup "perl_reload: error, exiting.";
2762	exit 1;	4270	};
		4271
		4272	--$RELOAD;
2763	};	4273	}
2764		4274
2765	warn "reloaded";	4275	$t1 = AE::time - $t1;
		4276	info "perl_reload: completed in ${t1}s\n";
2766	};	4277	};
2767		4278
2768	our $RELOAD_WATCHER; # used only during reload	4279	our $RELOAD_WATCHER; # used only during reload
2769		4280
2770	sub reload_perl() {	4281	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	4282	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	4283	# coro crashes during coro_state_free->destroy here.
2773		4284
2774	$RELOAD_WATCHER ||= Event->timer (	4285	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	4286	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	4287
2777	data => WF_AUTOCANCEL,	4288	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	4289	do_reload_perl;
2780	undef $RELOAD_WATCHER;	4290	undef $RELOAD_WATCHER;
2781	},	4291	};
2782	);	4292	};
2783	}	4293	}
2784		4294
2785	register_command "reload" => sub {	4295	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	4296	my ($who, $arg) = @_;
2787		4297
2788	if ($who->flag (FLAG_WIZ)) {	4298	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	4299	$who->message ("reloading server.");
		4300	async {
		4301	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	4302	reload_perl;
		4303	};
2791	}	4304	}
2792	};	4305	};
2793		4306
2794	unshift @INC, $LIBDIR;	4307	#############################################################################
2795		4308
2796	my $bug_warning = 0;	4309	my $bug_warning = 0;
2797		4310
2798	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;
2800
2801	sub wait_for_tick {	4311	sub wait_for_tick() {
2802	return unless $TICK_WATCHER->is_active;	4312	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2803	return if $Coro::current == $Coro::main;
2804		4313
2805	my $signal = new Coro::Signal;	4314	$WAIT_FOR_TICK->wait;
2806	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;
2808	}	4315	}
2809		4316
2810	sub wait_for_tick_begin {	4317	sub wait_for_tick_begin() {
2811	return unless $TICK_WATCHER->is_active;	4318	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2812	return if $Coro::current == $Coro::main;
2813		4319
2814	my $signal = new Coro::Signal;	4320	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4321	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4322	$signal->wait;
2817	}	4323	}
2818		4324
2819	$TICK_WATCHER = Event->timer (	4325	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4326	if ($Coro::current != $Coro::main) {
2827	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4327	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2828	unless ++$bug_warning > 10;	4328	unless ++$bug_warning > 10;
2829	return;	4329	return;
2830	}	4330	}
2831		4331
2832	$NOW = Event::time;	4332	cf::one_tick; # one server iteration
2833		4333
2834	cf::server_tick; # one server iteration	4334	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835		4335
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4336	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4337	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4338	Coro::async_pool {
		4339	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4340	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4341	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4342	};
		4343	}
2846		4344
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4345	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4346	$sig->send;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4347	}
2865	);	4348	$WAIT_FOR_TICK->broadcast;
		4349
		4350	$LOAD = ($NOW - $TICK_START) / $TICK;
		4351	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4352
		4353	if (0) {
		4354	if ($NEXT_TICK) {
		4355	my $jitter = $TICK_START - $NEXT_TICK;
		4356	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4357	debug "jitter $JITTER\n";#d#
		4358	}
		4359	}
		4360	}
2866		4361
2867	{	4362	{
2868	BDB::max_poll_time $TICK * 0.1;	4363	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4364	info "initialising database";
2870	reentrant => 0,	4365
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4366	BDB::min_parallel 16;
2878		4367	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4368	#$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4369
2894	unless ($DB_ENV) {	4370	unless ($DB_ENV) {
2895	$DB_ENV = BDB::db_env_create;	4371	$DB_ENV = BDB::db_env_create;
		4372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4373	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4374	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4375	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4376	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2896		4377
2897	cf::sync_job {	4378	cf::sync_job {
2898	eval {	4379	eval {
2899	BDB::db_env_open	4380	BDB::db_env_open
2900	$DB_ENV,	4381	$DB_ENV,
…		…
2902	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4383	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4384	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4385	0666;
2905		4386
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4387	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4388	};
2911		4389
2912	cf::cleanup "db_env_open(db): $@" if $@;	4390	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4391	};
2914	}	4392	}
		4393
		4394	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4395	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4396	};
		4397	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4398	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4399	};
		4400	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4401	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4402	};
		4403
		4404	info "database initialised";
2915	}	4405	}
2916		4406
2917	{	4407	{
		4408	# configure IO::AIO
		4409
		4410	info "initialising aio";
2918	IO::AIO::min_parallel 8;	4411	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4412	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4413	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,	4414	info "aio initialised";
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4415	}
2931		4416
2932	my $_log_backtrace;	4417	our $_log_backtrace;
		4418	our $_log_backtrace_last;
2933		4419
2934	sub _log_backtrace {	4420	sub _log_backtrace {
2935	my ($msg, @addr) = @_;	4421	my ($msg, @addr) = @_;
2936		4422
2937	$msg =~ s/\n//;	4423	$msg =~ s/\n$//;
2938		4424
		4425	if ($_log_backtrace_last eq $msg) {
		4426	LOG llevInfo, "[ABT] $msg\n";
		4427	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2939	# limit the # of concurrent backtraces	4428	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4429	} elsif ($_log_backtrace < 2) {
		4430	$_log_backtrace_last = $msg;
2941	++$_log_backtrace;	4431	++$_log_backtrace;
		4432	my $perl_bt = Carp::longmess $msg;
2942	async {	4433	async {
		4434	$Coro::current->{desc} = "abt $msg";
		4435
2943	my @bt = fork_call {	4436	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4437	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4440	or die "addr2line: $!";
…		…
2955	}	4448	}
2956		4449
2957	@funcs	4450	@funcs
2958	};	4451	};
2959		4452
2960	LOG llevInfo, "[ABT] $msg\n";	4453	LOG llevInfo, "[ABT] $perl_bt\n";
		4454	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4455	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4456	--$_log_backtrace;
2963	};	4457	};
2964	} else {	4458	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4459	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4460	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2967	}	4461	}
2968	}	4462	}
2969		4463
2970	# load additional modules	4464	# load additional modules
2971	use cf::pod;	4465	require "cf/$_.pm" for @EXTRA_MODULES;
		4466	cf::_connect_to_perl_2;
2972		4467
2973	END { cf::emergency_save }	4468	END { cf::emergency_save }
2974		4469
2975	1	4470	1
2976		4471

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