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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.608 by root, Sun Nov 18 09:53:57 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;
56	use Compress::LZF;	63	use Compress::LZF;
57	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
58		67
59	# configure various modules to our taste	68	# configure various modules to our taste
60	#	69	#
61	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		78
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		81
67	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;
68		85
69	our %COMMAND = ();	86	our %COMMAND = ();
70	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
71		88
72	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
77		96
78	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
80		101
81	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
82	our $DATADIR = datadir;	104	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
86	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	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;
93		125
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	128	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		130
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	134	our $DB_ENV;
105		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
106	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		140
108	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
110	our $NOW;	144	our $NOW;
111		145
112	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	155	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
123		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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
124	binmode STDOUT;	166	binmode STDOUT;
125	binmode STDERR;	167	binmode STDERR;
126		168
127	# read virtual server time, if available	169	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
132	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
133		177
134	mkdir $_	178	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		180
137	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
138		182
139	sub cf::map::normalise;	183	sub cf::map::normalise;
140		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
141	#############################################################################	189	#############################################################################
142		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
143	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
144		203
145	=over 4	204	=over 4
146		205
147	=item $cf::UPTIME	206	=item $cf::UPTIME
148		207
149	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.
150		224
151	=item $cf::RUNTIME	225	=item $cf::RUNTIME
152		226
153	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
154	every server tick.	228	every server tick.
155		229
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		233
160	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
163	database environment.	237	database environment.
164		238
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	239	=item $cf::LOADAVG
174		240
175	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
186	from wherever your confdir points to.	252	from wherever your confdir points to.
187		253
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		255
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
191	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
193		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		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.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*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 {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$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;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	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.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)
547
548	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
549	reset_signals;	745	cf::post_fork;
550	&$cb	746	&$cb
551	}, @args;	747	} @args;
552		748
553	wantarray ? @res : $res[-1]	749	wantarray ? @res : $res[-1]
		750	}
		751
		752	sub objinfo {
		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	)
554	}	761	}
555		762
556	=item $coin = coin_from_name $name	763	=item $coin = coin_from_name $name
557		764
558	=cut	765	=cut
…		…
595	within each server.	802	within each server.
596		803
597	=cut	804	=cut
598		805
599	sub db_table($) {	806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
600	my ($name) = @_;	810	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	811	my $db = BDB::db_create $DB_ENV;
602		812
603	eval {	813	eval {
604	$db->set_flags (BDB::CHKSUM);	814	$db->set_flags (BDB::CHKSUM);
…		…
614	}	824	}
615		825
616	our $DB;	826	our $DB;
617		827
618	sub db_init {	828	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	829	$DB ||= db_table "db";
621	};
622	}	830	}
623		831
624	sub db_get($$) {	832	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
626		834
627	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
628	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
629		839
630	$! ? ()	840	$! ? ()
631	: $data	841	: $data
632	}
633	}	842	}
634		843
635	sub db_put($$$) {	844	sub db_put($$$) {
636	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		874
666	my @data;	875	my @data;
667	my $md5;	876	my $md5;
668		877
669	for (0 .. $#$src) {	878	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	880	}
673		881
674	# if processing is expensive, check	882	# if processing is expensive, check
675	# checksum first	883	# checksum first
676	if (1) {	884	if (1) {
…		…
689		897
690	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
691	}	899	}
692	}	900	}
693		901
694	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
695	my $data = $process->(\@data);	903	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
697		905
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		907
700	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
703		911
…		…
713		921
714	=cut	922	=cut
715		923
716	sub datalog($@) {	924	sub datalog($@) {
717	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	927	}
720		928
721	=back	929	=back
722		930
723	=cut	931	=cut
724		932
725	#############################################################################	933	#############################################################################
726		934
727	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
728		936
729	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
730	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")
731	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
732		940
733	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>
734	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
…		…
784	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
785		993
786	Register an attachment by C<$name> through which attachable objects of the	994	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
788		996
789	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
790	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.
791		999
792	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
793		1001
794	=over 4	1002	=over 4
…		…
918		1126
919	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1129
922	} elsif (ref $type) {	1130	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
924		1132
925	} else {	1133	} else {
926	shift @arg;	1134	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
928	}	1136	}
929	}	1137	}
930	}	1138	}
931		1139
932	sub _object_attach {	1140	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
943	}	1151	}
944		1152
945	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
946	} else {	1154	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1156	}
949		1157
950	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
951	}	1159	}
952		1160
…		…
1011		1219
1012	for (@$callbacks) {	1220	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
1014		1222
1015	if ($@) {	1223	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1225	override;
1019	}	1226	}
1020		1227
1021	return 1 if $override;	1228	return 1 if $override;
1022	}	1229	}
…		…
1085		1292
1086	sub reattach {	1293	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1295	my ($obj) = @_;
1089		1296
		1297	# no longer needed after getting rid of delete_package?
1090	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
1091		1299
1092	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
1093		1301
1094	@$registry = ();	1302	@$registry = ();
1095		1303
…		…
1100	for (@$attach) {	1308	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
1103	}	1311	}
1104	} else {	1312	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1314	}
1107	}	1315	}
1108	}	1316	}
1109		1317
1110	cf::attachable->attach (	1318	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1138		1346
1139	sync_job {	1347	sync_job {
1140	if (length $$rdata) {	1348	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1144		1353
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1355	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	aio_close $fh;	1361	aio_close $fh;
1150		1362
1151	if (@$objs) {	1363	if (@$objs) {
1152	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) {
1153	aio_chmod $fh, SAVE_MODE;	1365	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	aio_close $fh;	1372	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1374	}
1160	} else {	1375	} else {
1161	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1162	}	1377	}
1163		1378
1164	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1383	} else {
1166	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1167	}	1385	}
1168	} else {	1386	} else {
1169	aio_unlink $filename;	1387	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1171	}	1389	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1413	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1414	$av = $st->{objs};
1197	}	1415	}
1198		1416
1199	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1202		1421
1203	($data, $av)	1422	($data, $av)
1204	}	1423	}
1205		1424
1206	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1429	=cut
1211		1430
1212	#############################################################################	1431	#############################################################################
1213	# command handling &c	1432	# command handling &c
1214		1433
1215	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1216		1435
1217	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
1218	$name.	1437	$name.
1219		1438
1220	=cut	1439	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1227		1446
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1448	}
1230		1449
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1451
1233	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1234	extcmd packet. Ext commands will be processed in the order they are	1453	extcmd packet. Ext commands will be processed in the order they are
1235	received by the server, like other user commands. The first argument is	1454	received by the server, like other user commands. The first argument is
1236	the logged-in player. Ext commands can only be processed after a player	1455	the logged-in player. Ext commands can only be processed after a player
1237	has logged in successfully.	1456	has logged in successfully.
1238		1457
1239	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1240	called.
1241		1459
		1460	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1461
		1462	Same as C<cf::register_extcmd>, but instead of returning values, the
		1463	callback needs to clal the C<$reply> function.
		1464
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1466
1244	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1245	exticmd packet. Exti commands are processed by the server as soon as they	1468	exticmd packet. Exti commands are processed by the server as soon as they
1246	are received, i.e. out of order w.r.t. other commands. The first argument	1469	are received, i.e. out of order w.r.t. other commands. The first argument
1247	is a client socket. Exti commands can be received anytime, even before	1470	is a client socket. Exti commands can be received anytime, even before
1248	log-in.	1471	log-in.
1249		1472
1250	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1251	called.
1252		1474
1253	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=cut
		1481
1255	sub register_extcmd {	1482	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1257		1484
1258	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1259	}	1486	}
1260		1487
1261	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1263		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1264	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1265	}	1498	}
1266		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1267	cf::player->attach (	1508	cf::player->attach (
1268	on_command => sub {	1509	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1270		1511
1271	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1272	or return;	1513	or return;
1273		1514
…		…
1281	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1282		1523
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1525
1285	if (ref $msg) {	1526	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1528
1291	my @reply;
1292
1293	if (my $cb = $EXTCMD{$type}) {	1529	if (my $cb = $EXTACMD{$type}) {
		1530	$cb->(
		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}) {
1294	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1295	}	1547	}
1296		1548
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1549	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1551	}
1303		1552
1304	cf::override;	1553	cf::override;
1305	},	1554	},
1306	);	1555	);
1307		1556
		1557	# "readahead" all extensions
		1558	sub cache_extensions {
		1559	my $grp = IO::AIO::aio_group;
		1560
		1561	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1562	for (grep /\.ext$/, @{$_[0]}) {
		1563	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1564	}
		1565	};
		1566
		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;
		1579	}
		1580
1308	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1309	cf::sync_job {	1586	cf::sync_job {
1310	my %todo;	1587	my %todo;
1311		1588
1312	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1590	next unless -r $path;
…		…
1331		1608
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1611
1335	$ext{source} =	1612	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1338	. $source	1615	. $source
1339	. "\n};\n1";	1616	. "\n};\n1";
1340		1617
1341	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1342	}	1619	}
1343		1620
		1621	my $pass = 0;
1344	my %done;	1622	my %done;
1345	while (%todo) {	1623	while (%todo) {
1346	my $progress;	1624	my $progress;
1347		1625
		1626	++$pass;
		1627
		1628	ext:
1348	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1631	next ext
1351	unless exists $done{$_};	1632	unless exists $done{$_};
1352	}	1633	}
1353		1634
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1636
1356	unless (eval $v->{source}) {	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 $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1650
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1652	if exists $v->{meta}{mandatory};
1364		1653
1365	warn $msg;	1654	warn "$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;
1366	}	1663	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1664	}
1372		1665
1373	skip:	1666	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1376	}	1676	}
1377	};	1677	};
1378	}	1678	}
1379		1679
1380	#############################################################################	1680	#############################################################################
1381		1681
1382	=back	1682	=back
1383		1683
1384	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1385		1685
1386	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1387		1687
1388	=cut	1688	=cut
1389		1689
1390	package cf::player;	1690	package cf::player;
1391		1691
…		…
1434		1734
1435	sub exists($) {	1735	sub exists($) {
1436	my ($login) = @_;	1736	my ($login) = @_;
1437		1737
1438	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1440	}	1740	}
1441		1741
1442	sub find($) {	1742	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1744	my $login = $_[0];
…		…
1464	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1465	}	1765	}
1466	}	1766	}
1467	}	1767	}
1468		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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	);
		1781
1469	sub save($) {	1782	sub save($) {
1470	my ($pl) = @_;	1783	my ($pl) = @_;
1471		1784
1472	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1473		1786
…		…
1478		1791
1479	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1480	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1481		1794
1482	cf::get_slot 0.01;	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];
1483		1799
1484	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1485	cf::cede_to_tick;	1801	cf::cede_to_tick;
1486	}	1802	}
1487		1803
…		…
1519	my ($pl) = @_;	1835	my ($pl) = @_;
1520		1836
1521	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1522		1838
1523	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1524	$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
1525		1841
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1527	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1529	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1530		1850
1531	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1533	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1587	\@logins	1907	\@logins
1588	}	1908	}
1589		1909
1590	=item $player->maps	1910	=item $player->maps
1591		1911
		1912	=item cf::player::maps $login
		1913
1592	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1593	player. May block.	1915	player. May block.
1594		1916
1595	=cut	1917	=cut
1596		1918
…		…
1613	}	1935	}
1614		1936
1615	\@paths	1937	\@paths
1616	}	1938	}
1617		1939
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1941
1620	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710
1711	=item $player->ext_reply ($msgid, @msg)
1712
1713	Sends an ext reply to the player.
1714
1715	=cut
1716
1717	sub ext_reply($$@) {
1718	my ($self, $id, @msg) = @_;
1719
1720	$self->ns->ext_reply ($id, @msg)
1721	}
1722		1943
1723	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1724		1945
1725	Sends an ext event to the client.	1946	Sends an ext event to the client.
1726		1947
…		…
1746		1967
1747	=cut	1968	=cut
1748		1969
1749	sub find_by_path($) {	1970	sub find_by_path($) {
1750	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1751		1974
1752	my ($match, $specificity);	1975	my ($match, $specificity);
1753		1976
1754	for my $region (list) {	1977	for my $region (list) {
1755	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1784	sub generate_random_map {	2007	sub generate_random_map {
1785	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1786		2009
1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788		2011
1789	# mit "rum" bekleckern, nicht
1790	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1794	$rmp->{exit_on_final_map},
1795	$rmp->{xsize}, $rmp->{ysize},
1796	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1797	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1798	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1799	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1802	)
1803	}	2013	}
1804		2014
1805	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1806		2016
1807	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
…		…
1812		2022
1813	sub register {	2023	sub register {
1814	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1815	my $pkg = caller;	2025	my $pkg = caller;
1816		2026
1817	no strict;
1818	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1819		2028
1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1821	}	2030	}
1822		2031
1823	# also paths starting with '/'	2032	# also paths starting with '/'
1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1825		2034
1826	sub thawer_merge {	2035	sub thawer_merge {
1827	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1828		2037
1829	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1834	}	2043	}
1835		2044
1836	sub normalise {	2045	sub normalise {
1837	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1838		2047
1839	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1840		2049
1841	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1842		2051
1843	# map plan:	2052	# map plan:
1844	#	2053	#
…		…
1859	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1860	$path = "$base/$path";	2069	$path = "$base/$path";
1861	}	2070	}
1862		2071
1863	for ($path) {	2072	for ($path) {
1864	redo if s{//}{/};
1865	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1866	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1867	}	2075	}
1868		2076
1869	$path	2077	$path
…		…
1883	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1884	return $self;	2092	return $self;
1885	}	2093	}
1886	}	2094	}
1887		2095
1888	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1889	()	2097	()
1890	}	2098	}
1891		2099
		2100	# may re-bless or do other evil things
1892	sub init {	2101	sub init {
1893	my ($self) = @_;	2102	my ($self) = @_;
1894		2103
1895	$self	2104	$self
1896	}	2105	}
…		…
1927		2136
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1930	}	2139	}
1931		2140
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	2141	sub decay_objects {
1942	my ($self) = @_;	2142	my ($self) = @_;
1943		2143
1944	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1945		2145
…		…
1970	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1971		2171
1972	1	2172	1
1973	}	2173	}
1974		2174
		2175	# used to laod the header of an original map
1975	sub load_header_orig {	2176	sub load_header_orig {
1976	my ($self) = @_;	2177	my ($self) = @_;
1977		2178
1978	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1979	}	2180	}
1980		2181
		2182	# used to laod the header of an instantiated map
1981	sub load_header_temp {	2183	sub load_header_temp {
1982	my ($self) = @_;	2184	my ($self) = @_;
1983		2185
1984	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1985	}	2187	}
1986		2188
		2189	# called after loading the header from an instantiated map
1987	sub prepare_temp {	2190	sub prepare_temp {
1988	my ($self) = @_;	2191	my ($self) = @_;
1989		2192
1990	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1991	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1992	# safety	2195	# safety
1993	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1994	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1995	}	2198	}
1996		2199
		2200	# called after loading the header from an original map
1997	sub prepare_orig {	2201	sub prepare_orig {
1998	my ($self) = @_;	2202	my ($self) = @_;
1999		2203
2000	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2001	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2025		2229
2026	sub find;	2230	sub find;
2027	sub find {	2231	sub find {
2028	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2029		2233
		2234	cf::cede_to_tick;
		2235
2030	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2031		2237
2032	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2034		2240
2035	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2040	or return;	2243	or return;
2041		2244
2042	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2043		2246
…		…
2055		2258
2056	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2057	}	2260	}
2058	}	2261	}
2059		2262
2060	sub pre_load { }	2263	sub pre_load { }
2061	sub post_load { }	2264	#sub post_load { } # XS
2062		2265
2063	sub load {	2266	sub load {
2064	my ($self) = @_;	2267	my ($self) = @_;
2065		2268
2066	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2069		2272
2070	{	2273	{
2071	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2072		2275
2073	return unless $self->valid;	2276	return unless $self->valid;
2074	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2075
2076	$self->in_memory (cf::MAP_LOADING);
2077		2278
2078	$self->alloc;	2279	$self->alloc;
2079		2280
2080	$self->pre_load;	2281	$self->pre_load;
2081	cf::cede_to_tick;	2282	cf::cede_to_tick;
2082		2283
		2284	if (exists $self->{load_path}) {
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2286	$f->skip_block;
2085	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2086	or return;	2288	or return;
2087		2289
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2089	if delete $self->{load_original};	2291	if delete $self->{load_original};
2090		2292
2091	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2294	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2094	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2095	$self->clear_unique_items;	2297	$self->clear_unique_items;
2096	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2097	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2098	}	2301	}
2099	}	2302	}
2100	}
2101		2303
2102	$f->resolve_delayed_derefs;	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);
2103		2311
2104	cf::cede_to_tick;	2312	cf::cede_to_tick;
2105	# now do the right thing for maps	2313	# now do the right thing for maps
2106	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2107	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2111	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2320	$self->decay_objects;
2113	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2114	$self->update_buttons;	2322	$self->update_buttons;
2115	cf::cede_to_tick;	2323	cf::cede_to_tick;
2116	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2117	cf::cede_to_tick;
2118	$self->activate;
2119	}	2325	}
2120		2326
2121	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2123
2124	$self->in_memory (cf::MAP_ACTIVE);
2125	}	2329	}
2126		2330
2127	$self->post_load;	2331	$self->post_load;
2128	}
2129		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2130	sub customise_for {	2339	sub customise_for {
2131	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2132		2341
2133	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2134	if $self->per_player;	2343	if $self->per_player;
…		…
2137	# if $self->per_party;	2346	# if $self->per_party;
2138		2347
2139	$self	2348	$self
2140	}	2349	}
2141		2350
2142	# find and load all maps in the 3x3 area around a map
2143	sub load_neighbours {
2144	my ($map) = @_;
2145
2146	my @neigh; # diagonal neighbours
2147
2148	for (0 .. 3) {
2149	my $neigh = $map->tile_path ($_)
2150	or next;
2151	$neigh = find $neigh, $map
2152	or next;
2153	$neigh->load;
2154
2155	push @neigh,
2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2158	}
2159
2160	for (grep defined $_->[0], @neigh) {
2161	my ($path, $origin) = @$_;
2162	my $neigh = find $path, $origin
2163	or next;
2164	$neigh->load;
2165	}
2166	}
2167
2168	sub find_sync {	2351	sub find_sync {
2169	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2170		2353
2171	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, $origin
2172	}	2359	}
2173		2360
2174	sub do_load_sync {	2361	sub do_load_sync {
2175	my ($map) = @_;	2362	my ($map) = @_;
2176		2363
		2364	# it's a bug to call this from the main context
2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2178	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2179		2367
2180	cf::sync_job { $map->load };	2368	$map->load;
2181	}	2369	}
2182		2370
2183	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2184	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2185		2373
2186	sub find_async {	2374	sub find_async {
2187	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2188		2376
2189	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2190		2378
2191	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2193	}	2381	}
2194		2382
2195	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2196		2384
2197	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2211	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2212		2400
2213	()	2401	()
2214	}	2402	}
2215		2403
		2404	# common code, used by both ->save and ->swapout
2216	sub save {	2405	sub _save {
2217	my ($self) = @_;	2406	my ($self) = @_;
2218
2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2220		2407
2221	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2222		2409
2223	return unless $self->dirty;	2410	return unless $self->dirty;
2224		2411
…		…
2244	} else {	2431	} else {
2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246	}	2433	}
2247	}	2434	}
2248		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2249	sub swap_out {	2444	sub swap_out {
2250	my ($self) = @_;	2445	my ($self) = @_;
2251		2446
2252	# save first because save cedes
2253	$self->save;
2254
2255	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2256		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2257	return if $self->players;	2451	return if $self->players;
2258	return if $self->in_memory != cf::MAP_ACTIVE;	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
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2259	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2260		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2261	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2262		2503
2263	$self->deactivate;	2504	$self->deactivate;
2264	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2265	$self->clear;	2506	$self->clear;
2266	}
2267
2268	sub reset_at {
2269	my ($self) = @_;
2270
2271	# TODO: safety, remove and allow resettable per-player maps
2272	return 1e99 if $self->{deny_reset};
2273
2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2276
2277	$time + $to
2278	}
2279
2280	sub should_reset {
2281	my ($self) = @_;
2282
2283	$self->reset_at <= $cf::RUNTIME
2284	}
2285
2286	sub reset {
2287	my ($self) = @_;
2288
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
2291	return if $self->players;
2292
2293	warn "resetting map ", $self->path;
2294
2295	$self->in_memory (cf::MAP_SWAPPED);
2296
2297	# need to save uniques path
2298	unless ($self->{deny_save}) {
2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
2300
2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2302	if $uniq;
2303	}
2304
2305	delete $cf::MAP{$self->path};
2306
2307	$self->deactivate;
2308	$_->clear_links_to ($self) for values %cf::MAP;
2309	$self->clear;
2310		2507
2311	$self->unlink_save;	2508	$self->unlink_save;
2312	$self->destroy;	2509	$self->destroy;
2313	}	2510	}
2314		2511
…		…
2322		2519
2323	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2324		2521
2325	$self->unlink_save;	2522	$self->unlink_save;
2326		2523
2327	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2328	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2329	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2330	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2332		2529
…		…
2389	: normalise $_	2586	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2588	]
2392	}	2589	}
2393		2590
		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	}
		2622
2394	=back	2623	=back
2395		2624
2396	=head3 cf::object	2625	=head3 cf::object
2397		2626
2398	=cut	2627	=cut
…		…
2421		2650
2422	Creates and returns a persistent reference to an object that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2423		2652
2424	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2425		2654
2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2427	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2428		2657
2429	=cut	2658	=cut
2430		2659
2431	sub deref {	2660	sub deref {
…		…
2463		2692
2464	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2465	id => "say",	2694	id => "say",
2466	title => "Map",	2695	title => "Map",
2467	reply => "say ",	2696	reply => "say ",
2468	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2469	};	2698	};
2470		2699
2471	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2472	id => "chat",	2701	id => "chat",
2473	title => "Chat",	2702	title => "Chat",
…		…
2528		2757
2529	=item $player_object->enter_link	2758	=item $player_object->enter_link
2530		2759
2531	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}>).
2532		2761
2533	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.
2534	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.
2535		2766
2536	Will never block.	2767	Will never block.
2537		2768
2538	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2539		2770
…		…
2559	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2560	my ($self) = @_;	2791	my ($self) = @_;
2561		2792
2562	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2563		2794
		2795	++$self->{_link_recursion};
		2796
2564	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2565		2798
2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2567	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2568		2801
2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2570	}	2803	}
2571		2804
2572	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2573	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2574		2807
…		…
2591	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2592	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2593		2826
2594	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2595	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2596	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2597		2830
2598	$map->load;	2831	$map->load;
2599	$map->load_neighbours;
2600		2832
2601	return unless $self->contr->active;	2833	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2834
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2606	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2607		2842
		2843	}
		2844
2608	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2845	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2609		2846
2610	Moves the player to the given map-path and coordinates by first freezing	2847	Moves the player to the given map-path and coordinates by first freezing
2611	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2612	that has to return the map if sucecssful, and then unfreezes the player on	2849	that has to return the map if sucecssful, and then unfreezes the player on
2613	the new (success) or old (failed) map position. In either case, $done will	2850	the new (success) or old (failed) map position. In either case, $done will
2614	be called at the end of this process.	2851	be called at the end of this process.
2615		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
2616	=cut	2856	=cut
2617		2857
2618	our $GOTOGEN;	2858	our $GOTOGEN;
2619		2859
2620	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2621	my ($self, $path, $x, $y, $check, $done) = @_;	2861	my ($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	}
2622		2868
2623	# do generation counting so two concurrent goto's will be executed in-order	2869	# do generation counting so two concurrent goto's will be executed in-order
2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2625		2871
2626	$self->enter_link;	2872	$self->enter_link;
…		…
2646	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2647	}	2893	}
2648	}	2894	}
2649		2895
2650	my $map = eval {	2896	my $map = eval {
2651	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2652		2898
2653	if ($map) {	2899	if ($map) {
2654	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2655	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2656	} else {	2902	} else {
2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2658	}	2904	}
2659		2905
2660	$map	2906	$map
…		…
2668	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2669	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2670	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2671	}	2917	}
2672		2918
2673	$done->() if $done;	2919	$done->($self) if $done;
2674	})->prio (1);	2920	})->prio (1);
2675	}	2921	}
2676		2922
2677	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2678		2924
…		…
2746	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2747		2993
2748	unless (eval {	2994	unless (eval {
2749	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2750		2996
2751	# random map handling
2752	{
2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
2754
2755	prepare_random_map $exit
2756	if $exit->slaying eq "/!";
2757	}
2758
2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2760	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2761	my $y = $exit->stats->sp;	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	}
2762		3023
2763	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2764		3025
2765	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2766	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2768		3029
2769	1	3030	1
2770	}) {	3031	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "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. "
2773	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2775		3036
2776	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2777	$self->leave_link;	3038	$self->leave_link;
2778	}	3039	}
2779	})->prio (1);	3040	})->prio (1);
2780	}	3041	}
2781		3042
2782	=head3 cf::client	3043	=head3 cf::client
2783		3044
2784	=over 4	3045	=over 4
2785		3046
2786	=item $client->send_drawinfo ($text, $flags)	3047	=item $client->send_big_packet ($pkt)
2787		3048
2788	Sends a drawinfo packet to the client. Circumvents output buffering so	3049	Like C<send_packet>, but tries to compress large packets, and fragments
2789	should not be used under normal circumstances.	3050	them as required.
2790		3051
2791	=cut	3052	=cut
2792		3053
		3054	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3055
2793	sub cf::client::send_drawinfo {	3056	sub cf::client::send_big_packet {
2794	my ($self, $text, $flags) = @_;	3057	my ($self, $pkt) = @_;
2795		3058
2796	utf8::encode $text;	3059	# try lzf for large packets
2797	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	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);
2798	}	3070	}
2799		3071
2800	=item $client->send_msg ($channel, $msg, $color, [extra...])	3072	=item $client->send_msg ($channel, $msg, $color, [extra...])
2801		3073
2802	Send a drawinfo or msg packet to the client, formatting the msg for the	3074	Send a msg packet to the client, formatting the msg for the client if
2803	client if neccessary. C<$type> should be a string identifying the type of	3075	necessary. C<$type> should be a string identifying the type of the
2804	the message, with C<log> being the default. If C<$color> is negative, suppress	3076	message, with C<log> being the default. If C<$color> is negative, suppress
2805	the message unless the client supports the msg packet.	3077	the message unless the client supports the msg packet.
2806		3078
2807	=cut	3079	=cut
2808		3080
2809	# non-persistent channels (usually the info channel)	3081	# non-persistent channels (usually the info channel)
2810	our %CHANNEL = (	3082	our %CHANNEL = (
		3083	"c/motd" => {
		3084	id => "infobox",
		3085	title => "MOTD",
		3086	reply => undef,
		3087	tooltip => "The message of the day",
		3088	},
2811	"c/identify" => {	3089	"c/identify" => {
2812	id => "infobox",	3090	id => "infobox",
2813	title => "Identify",	3091	title => "Identify",
2814	reply => undef,	3092	reply => undef,
2815	tooltip => "Items recently identified",	3093	tooltip => "Items recently identified",
…		…
2817	"c/examine" => {	3095	"c/examine" => {
2818	id => "infobox",	3096	id => "infobox",
2819	title => "Examine",	3097	title => "Examine",
2820	reply => undef,	3098	reply => undef,
2821	tooltip => "Signs and other items you examined",	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",
2822	},	3106	},
2823	"c/book" => {	3107	"c/book" => {
2824	id => "infobox",	3108	id => "infobox",
2825	title => "Book",	3109	title => "Book",
2826	reply => undef,	3110	reply => undef,
…		…
2842	id => "infobox",	3126	id => "infobox",
2843	title => "Body Parts",	3127	title => "Body Parts",
2844	reply => undef,	3128	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	3129	tooltip => "Shows which body parts you posess and are available",
2846	},	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	},
2847	"c/uptime" => {	3167	"c/uptime" => {
2848	id => "infobox",	3168	id => "infobox",
2849	title => "Uptime",	3169	title => "Uptime",
2850	reply => undef,	3170	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	3171	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	3180	id => "party",
2861	title => "Party",	3181	title => "Party",
2862	reply => "gsay ",	3182	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	3183	tooltip => "Messages and chat related to your party",
2864	},	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" => $CHAT_CHANNEL,
2865	);	3199	);
2866		3200
2867	sub cf::client::send_msg {	3201	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	3202	my ($self, $channel, $msg, $color, @extra) = @_;
2869		3203
2870	$msg = $self->pl->expand_cfpod ($msg);	3204	$msg = $self->pl->expand_cfpod ($msg)
		3205	unless $color & cf::NDI_VERBATIM;
2871		3206
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	3207	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		3208
2874	# check predefined channels, for the benefit of C	3209	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	3210	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	3211	$channel = $CHANNEL{$channel};
2877		3212
2878	$self->ext_msg (channel_info => $channel)	3213	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	3214	$channel = $channel->{id};
2882		3215
2883	} elsif (ref $channel) {	3216	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	3217	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	3218	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	3219	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	3220	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	3221	}
2890		3222
2891	$channel = $channel->{id};	3223	$channel = $channel->{id};
2892	}	3224	}
2893		3225
2894	return unless @extra || length $msg;	3226	return unless @extra || length $msg;
2895		3227
2896	if ($self->can_msg) {
2897	# default colour, mask it out	3228	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3229	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	3230	if $color & cf::NDI_DEF;
2900		3231
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	3232	my $pkt = "msg "
		3233	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3234	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	3235	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		3236
2915	$color &= cf::NDI_COLOR_MASK;	3237	$self->send_big_packet ($pkt);
2916
2917	utf8::encode $msg;
2918
2919	if (0 && $msg =~ /\[/) {
2920	# COMMAND/INFO
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}
2928	}	3238	}
2929		3239
2930	=item $client->ext_msg ($type, @msg)	3240	=item $client->ext_msg ($type, @msg)
2931		3241
2932	Sends an ext event to the client.	3242	Sends an ext event to the client.
…		…
2934	=cut	3244	=cut
2935		3245
2936	sub cf::client::ext_msg($$@) {	3246	sub cf::client::ext_msg($$@) {
2937	my ($self, $type, @msg) = @_;	3247	my ($self, $type, @msg) = @_;
2938		3248
2939	if ($self->extcmd == 2) {
2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3249	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941	} elsif ($self->extcmd == 1) { # TODO: remove
2942	push @msg, msgtype => "event_$type";
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944	}
2945	}
2946
2947	=item $client->ext_reply ($msgid, @msg)
2948
2949	Sends an ext reply to the client.
2950
2951	=cut
2952
2953	sub cf::client::ext_reply($$@) {
2954	my ($self, $id, @msg) = @_;
2955
2956	if ($self->extcmd == 2) {
2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958	} elsif ($self->extcmd == 1) {
2959	#TODO: version 1, remove
2960	unshift @msg, msgtype => "reply", msgid => $id;
2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962	}
2963	}	3250	}
2964		3251
2965	=item $success = $client->query ($flags, "text", \&cb)	3252	=item $success = $client->query ($flags, "text", \&cb)
2966		3253
2967	Queues a query to the client, calling the given callback with	3254	Queues a query to the client, calling the given callback with
…		…
3022	my ($ns, $buf) = @_;	3309	my ($ns, $buf) = @_;
3023		3310
3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3311	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3025		3312
3026	if (ref $msg) {	3313	if (ref $msg) {
3027	my ($type, $reply, @payload) =	3314	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3028	"ARRAY" eq ref $msg
3029	? @$msg
3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3031		3315
3032	my @reply;
3033
3034	if (my $cb = $EXTICMD{$type}) {	3316	if (my $cb = $EXTIACMD{$type}) {
		3317	$cb->(
		3318	$ns,
		3319	sub {
		3320	$ns->ext_msg ("reply-$reply", @_)
		3321	if $reply;
		3322	},
		3323	@payload
		3324	);
		3325	} else {
		3326	my @reply;
		3327
		3328	if (my $cb = $EXTICMD{$type}) {
3035	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
		3330	}
		3331
		3332	$ns->ext_msg ("reply-$reply", @reply)
		3333	if $reply;
3036	}	3334	}
3037
3038	$ns->ext_reply ($reply, @reply)
3039	if $reply;
3040
3041	} else {	3335	} else {
3042	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3043	}	3337	}
3044		3338
3045	cf::override;	3339	cf::override;
3046	},	3340	},
3047	);	3341	);
…		…
3067		3361
3068	$coro	3362	$coro
3069	}	3363	}
3070		3364
3071	cf::client->attach (	3365	cf::client->attach (
3072	on_destroy => sub {	3366	on_client_destroy => sub {
3073	my ($ns) = @_;	3367	my ($ns) = @_;
3074		3368
3075	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3076	},	3370	},
3077	);	3371	);
…		…
3093	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3094		3388
3095	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3096		3390
3097	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3098	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3099	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3100	sort time	3394	sort time
3101	));	3395	));
3102		3396
3103	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3107	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3108		3402
3109	cf::object	3403	cf::object
3110	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3111	insert remove name archname title slaying race decrease split	3405	insert remove name archname title slaying race decrease split
		3406	value
3112		3407
3113	cf::object::player	3408	cf::object::player
3114	player	3409	player
3115		3410
3116	cf::player	3411	cf::player
…		…
3122	=cut	3417	=cut
3123		3418
3124	for (	3419	for (
3125	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126	insert remove inv nrof name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3131	) {	3426	) {
3132	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3135	for @funs;	3429	for @funs;
3136	}	3430	}
3137		3431
…		…
3152		3446
3153	my $qcode = $code;	3447	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3156		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3157	local $_;	3454	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;
3159		3455
3160	my $eval =	3456	my $eval =
3161	"do {\n"	3457	"do {\n"
3162	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3163	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3164	. $code	3460	. $code
3165	. "\n}"	3461	. "\n}"
3166	;	3462	;
3167		3463
		3464	if ($CFG{safe_eval}) {
3168	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3169	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3170	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3171		3473
3172	if ($@) {	3474	if ($@) {
3173	warn "$@";	3475	warn "$@",
3174	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3175	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3176	}	3478	}
3177		3479
3178	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3179	}	3481	}
3180		3482
…		…
3194	=cut	3496	=cut
3195		3497
3196	sub register_script_function {	3498	sub register_script_function {
3197	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3198		3500
3199	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3200	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3201	}	3503	}
3202		3504
3203	=back	3505	=back
3204		3506
3205	=cut	3507	=cut
3206		3508
3207	#############################################################################	3509	#############################################################################
3208	# the server's init and main functions	3510	# the server's init and main functions
3209		3511
		3512	{
		3513	package cf::face;
		3514
		3515	our %HASH; # hash => idx
		3516	our @DATA; # dynamically-created facedata, only faceste 0 used
		3517	our @FOFS; # file offset, if > 0
		3518	our @SIZE; # size of face, in octets
		3519	our @META; # meta hash of face, if any
		3520	our $DATAFH; # facedata filehandle
		3521
		3522	# internal api, not finalised
		3523	sub set {
		3524	my ($name, $type, $data) = @_;
		3525
		3526	my $idx = cf::face::find $name;
		3527
		3528	if ($idx) {
		3529	delete $HASH{cf::face::get_csum $idx};
		3530	} else {
		3531	$idx = cf::face::alloc $name;
		3532	}
		3533
		3534	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3535
		3536	cf::face::set_type $idx, $type;
		3537	cf::face::set_csum $idx, 0, $hash;
		3538
		3539	# we need to destroy the SV itself, not just modify it, as a running ix
		3540	# might hold a reference to it: "delete" achieves that.
		3541	delete $FOFS[0][$idx];
		3542	delete $DATA[0][$idx];
		3543	$DATA[0][$idx] = $data;
		3544	$SIZE[0][$idx] = length $data;
		3545	delete $META[$idx];
		3546	$HASH{$hash} = $idx;#d#
		3547
		3548	$idx
		3549	}
		3550
		3551	sub _get_data($$$) {
		3552	my ($idx, $set, $cb) = @_;
		3553
		3554	if (defined $DATA[$set][$idx]) {
		3555	$cb->($DATA[$set][$idx]);
		3556	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3557	my $size = $SIZE[$set][$idx];
		3558	my $buf;
		3559	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3560	if ($_[0] == $size) {
		3561	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3562	$cb->($buf);
		3563	} else {
		3564	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3565	}
		3566	};
		3567	} else {
		3568	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3569	}
		3570	}
		3571
		3572	# rather ineffient
		3573	sub cf::face::get_data($;$) {
		3574	my ($idx, $set) = @_;
		3575
		3576	_get_data $idx, $set, Coro::rouse_cb;
		3577	Coro::rouse_wait
		3578	}
		3579
		3580	sub cf::face::ix {
		3581	my ($ns, $set, $idx, $pri) = @_;
		3582
		3583	_get_data $idx, $set, sub {
		3584	$ns->ix_send ($idx, $pri, $_[0]);
		3585	};
		3586	}
		3587	}
		3588
3210	sub load_facedata($) {	3589	sub load_facedata($) {
3211	my ($path) = @_;	3590	my ($path) = @_;
3212		3591
3213	# HACK to clear player env face cache, we need some signal framework
3214	# for this (global event?)
3215	%ext::player_env::MUSIC_FACE_CACHE = ();
3216
3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3592	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3218		3593
3219	warn "loading facedata from $path\n";	3594	trace "loading facedata from $path\n";
3220		3595
3221	my $facedata;	3596	my $facedata = decode_storable load_file "$path/faceinfo";
3222	0 < aio_load $path, $facedata
3223	or die "$path: $!";
3224
3225	$facedata = Coro::Storable::thaw $facedata;
3226		3597
3227	$facedata->{version} == 2	3598	$facedata->{version} == 2
3228	or cf::cleanup "$path: version mismatch, cannot proceed.";	3599	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3229		3600
3230	# patch in the exptable	3601	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3231	$facedata->{resource}{"res/exp_table"} = {	3602	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3232	type => FT_RSRC,	3603
3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3604	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3234	};	3605
3235	cf::cede_to_tick;	3606	# BEGIN ATOMIC
		3607	# from here on, everything must be atomic - no thread switch allowed
		3608	my $t1 = EV::time;
3236		3609
3237	{	3610	{
3238	my $faces = $facedata->{faceinfo};	3611	my $faces = $facedata->{faceinfo};
3239		3612
3240	while (my ($face, $info) = each %$faces) {	3613	for my $face (sort keys %$faces) {
		3614	my $info = $faces->{$face};
3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3615	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3242		3616
3243	cf::face::set_visibility $idx, $info->{visibility};	3617	cf::face::set_visibility $idx, $info->{visibility};
3244	cf::face::set_magicmap $idx, $info->{magicmap};	3618	cf::face::set_magicmap $idx, $info->{magicmap};
3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3619	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3620	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3247		3621	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3248	cf::cede_to_tick;	3622	$cf::face::HASH{$info->{hash64}} = $idx;
		3623	delete $cf::face::META[$idx];
3249	}	3624	}
3250		3625
3251	while (my ($face, $info) = each %$faces) {	3626	while (my ($face, $info) = each %$faces) {
3252	next unless $info->{smooth};	3627	next unless $info->{smooth};
3253		3628
…		…
3256		3631
3257	if (my $smooth = cf::face::find $info->{smooth}) {	3632	if (my $smooth = cf::face::find $info->{smooth}) {
3258	cf::face::set_smooth $idx, $smooth;	3633	cf::face::set_smooth $idx, $smooth;
3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3634	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3260	} else {	3635	} else {
3261	warn "smooth face '$info->{smooth}' not found for face '$face'";	3636	error "smooth face '$info->{smooth}' not found for face '$face'";
3262	}	3637	}
3263
3264	cf::cede_to_tick;
3265	}	3638	}
3266	}	3639	}
3267		3640
3268	{	3641	{
3269	my $anims = $facedata->{animinfo};	3642	my $anims = $facedata->{animinfo};
3270		3643
3271	while (my ($anim, $info) = each %$anims) {	3644	while (my ($anim, $info) = each %$anims) {
3272	cf::anim::set $anim, $info->{frames}, $info->{facings};	3645	cf::anim::set $anim, $info->{frames}, $info->{facings};
3273	cf::cede_to_tick;
3274	}	3646	}
3275		3647
3276	cf::anim::invalidate_all; # d'oh	3648	cf::anim::invalidate_all; # d'oh
3277	}	3649	}
3278		3650
3279	{	3651	{
3280	# TODO: for gcfclient pleasure, we should give resources
3281	# that gcfclient doesn't grok a >10000 face index.
3282	my $res = $facedata->{resource};	3652	my $res = $facedata->{resource};
3283		3653
3284	while (my ($name, $info) = each %$res) {	3654	while (my ($name, $info) = each %$res) {
3285	if (defined $info->{type}) {	3655	if (defined (my $type = $info->{type})) {
		3656	# TODO: different hash - must free and use new index, or cache ixface data queue
3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3657	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287	my $data;
3288		3658
3289	if ($info->{type} & 1) {
3290	# prepend meta info
3291
3292	my $meta = $enc->encode ({
3293	name => $name,
3294	%{ $info->{meta} || {} },
3295	});
3296
3297	$data = pack "(w/a*)*", $meta, $info->{data};
3298	} else {
3299	$data = $info->{data};
3300	}
3301
3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303	cf::face::set_type $idx, $info->{type};	3659	cf::face::set_type $idx, $type;
		3660	cf::face::set_csum $idx, 0, $info->{hash};
		3661	$cf::face::SIZE[0][$idx] = $info->{size};
		3662	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3663	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3664	$cf::face::HASH{$info->{hash}} = $idx;
3304	} else {	3665	} else {
3305	$RESOURCE{$name} = $info;	3666	# $RESOURCE{$name} = $info; # unused
3306	}	3667	}
3307
3308	cf::cede_to_tick;
3309	}	3668	}
3310	}	3669	}
		3670
		3671	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3672
		3673	# HACK to clear player env face cache, we need some signal framework
		3674	# for this (global event?)
		3675	%ext::player_env::MUSIC_FACE_CACHE = ();
		3676
		3677	# END ATOMIC
		3678
		3679	cf::debug "facedata atomic update time ", EV::time - $t1;
3311		3680
3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3681	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3313		3682
		3683	aio_close $fh if $fh; # close old facedata
		3684
3314	1	3685	1
3315	}	3686	}
3316
3317	cf::global->attach (on_resource_update => sub {
3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3320
3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3322	my $sound = $soundconf->{compat}[$_]
3323	or next;
3324
3325	my $face = cf::face::find "sound/$sound->[1]";
3326	cf::sound::set $sound->[0] => $face;
3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3328	}
3329
3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
3331	my $face = cf::face::find "sound/$v";
3332	cf::sound::set $k => $face;
3333	}
3334	}
3335	});
3336		3687
3337	register_exticmd fx_want => sub {	3688	register_exticmd fx_want => sub {
3338	my ($ns, $want) = @_;	3689	my ($ns, $want) = @_;
3339		3690
3340	while (my ($k, $v) = each %$want) {	3691	while (my ($k, $v) = each %$want) {
…		…
3348	my $status = load_resource_file_ $_[0];	3699	my $status = load_resource_file_ $_[0];
3349	get_slot 0.1, 100;	3700	get_slot 0.1, 100;
3350	cf::arch::commit_load;	3701	cf::arch::commit_load;
3351		3702
3352	$status	3703	$status
		3704	}
		3705
		3706	sub reload_exp_table {
		3707	_reload_exp_table;
		3708
		3709	cf::face::set
		3710	"res/exp_table" => FT_RSRC,
		3711	JSON::XS->new->utf8->canonical->encode (
		3712	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3713	);
		3714	}
		3715
		3716	sub reload_materials {
		3717	_reload_materials;
3353	}	3718	}
3354		3719
3355	sub reload_regions {	3720	sub reload_regions {
3356	# HACK to clear player env face cache, we need some signal framework	3721	# HACK to clear player env face cache, we need some signal framework
3357	# for this (global event?)	3722	# for this (global event?)
…		…
3365	if exists $_->{match};	3730	if exists $_->{match};
3366	}	3731	}
3367	}	3732	}
3368		3733
3369	sub reload_facedata {	3734	sub reload_facedata {
3370	load_facedata "$DATADIR/facedata"	3735	load_facedata $DATADIR
3371	or die "unable to load facedata\n";	3736	or die "unable to load facedata\n";
3372	}	3737	}
3373		3738
3374	sub reload_archetypes {	3739	sub reload_archetypes {
3375	load_resource_file "$DATADIR/archetypes"	3740	load_resource_file "$DATADIR/archetypes"
3376	or die "unable to load archetypes\n";	3741	or die "unable to load archetypes\n";
		3742
		3743	cf::face::set
		3744	"res/skill_info" => FT_RSRC,
		3745	JSON::XS->new->utf8->canonical->encode (
		3746	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3747	);
		3748
		3749	cf::face::set
		3750	"res/spell_paths" => FT_RSRC,
		3751	JSON::XS->new->utf8->canonical->encode (
		3752	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3753	);
3377	}	3754	}
3378		3755
3379	sub reload_treasures {	3756	sub reload_treasures {
3380	load_resource_file "$DATADIR/treasures"	3757	load_resource_file "$DATADIR/treasures"
3381	or die "unable to load treasurelists\n";	3758	or die "unable to load treasurelists\n";
3382	}	3759	}
3383		3760
		3761	sub reload_sound {
		3762	trace "loading sound config from $DATADIR/sound\n";
		3763
		3764	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3765
		3766	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3767	my $sound = $soundconf->{compat}[$_]
		3768	or next;
		3769
		3770	my $face = cf::face::find "sound/$sound->[1]";
		3771	cf::sound::set $sound->[0] => $face;
		3772	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3773	}
		3774
		3775	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3776	my $face = cf::face::find "sound/$v";
		3777	cf::sound::set $k => $face;
		3778	}
		3779	}
		3780
3384	sub reload_resources {	3781	sub reload_resources {
3385	warn "reloading resource files...\n";	3782	trace "reloading resource files...\n";
3386		3783
		3784	reload_materials;
3387	reload_facedata;	3785	reload_facedata;
		3786	reload_exp_table;
		3787	reload_sound;
3388	reload_archetypes;	3788	reload_archetypes;
3389	reload_regions;	3789	reload_regions;
3390	reload_treasures;	3790	reload_treasures;
3391		3791
3392	warn "finished reloading resource files\n";	3792	trace "finished reloading resource files\n";
3393	}
3394
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}	3793	}
3400		3794
3401	sub reload_config {	3795	sub reload_config {
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3796	trace "reloading config file...\n";
3403	or return;
3404		3797
3405	local $/;	3798	my $config = load_file "$CONFDIR/config";
3406	*CFG = YAML::Load <$fh>;	3799	utf8::decode $config;
		3800	*CFG = decode_yaml $config;
3407		3801
3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3802	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3409		3803
3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3804	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3805	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3412		3806
3413	if (exists $CFG{mlockall}) {	3807	if (exists $CFG{mlockall}) {
…		…
3417	};	3811	};
3418	warn $@ if $@;	3812	warn $@ if $@;
3419	}	3813	}
3420	}	3814	}
3421		3815
		3816	sub pidfile() {
		3817	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3818	or die "$PIDFILE: $!";
		3819	flock $fh, &Fcntl::LOCK_EX
		3820	or die "$PIDFILE: flock: $!";
		3821	$fh
		3822	}
		3823
		3824	# make sure only one server instance is running at any one time
		3825	sub atomic {
		3826	my $fh = pidfile;
		3827
		3828	my $pid = <$fh>;
		3829	kill 9, $pid if $pid > 0;
		3830
		3831	seek $fh, 0, 0;
		3832	print $fh $$;
		3833	}
		3834
		3835	sub main_loop {
		3836	trace "EV::loop starting\n";
		3837	if (1) {
		3838	EV::loop;
		3839	}
		3840	trace "EV::loop returned\n";
		3841	goto &main_loop unless $REALLY_UNLOOP;
		3842	}
		3843
3422	sub main {	3844	sub main {
		3845	cf::init_globals; # initialise logging
		3846
		3847	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3848	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3849	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3850	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3851
		3852	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3853
3423	# we must not ever block the main coroutine	3854	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3855	$Coro::idle = sub {
3425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3856	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3426	(async {	3857	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3858	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3859	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3860	})->prio (Coro::PRIO_MAX);
3430	};	3861	};
3431		3862
3432	{	3863	evthread_start IO::AIO::poll_fileno;
3433	my $guard = freeze_mainloop;	3864
		3865	cf::sync_job {
		3866	cf::incloader::init ();
		3867
		3868	db_init;
		3869
		3870	cf::init_anim;
		3871	cf::init_attackmess;
		3872	cf::init_dynamic;
		3873
		3874	cf::load_settings;
		3875
		3876	reload_resources;
3434	reload_config;	3877	reload_config;
3435	db_init;	3878
		3879	cf::init_uuid;
		3880	cf::init_signals;
		3881	cf::init_skills;
		3882
		3883	cf::init_beforeplay;
		3884
		3885	atomic;
		3886
3436	load_extensions;	3887	load_extensions;
3437		3888
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3889	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	3890
		3891	# no (long-running) fork's whatsoever before this point(!)
		3892	use POSIX ();
		3893	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3894
		3895	cf::_post_init 0;
3440	}	3896	};
3441		3897
3442	EV::loop;	3898	cf::object::thawer::errors_are_fatal 0;
		3899	info "parse errors in files are no longer fatal from this point on.\n";
		3900
		3901	AE::postpone {
		3902	undef &main; # free gobs of memory :)
		3903	};
		3904
		3905	goto &main_loop;
3443	}	3906	}
3444		3907
3445	#############################################################################	3908	#############################################################################
3446	# initialisation and cleanup	3909	# initialisation and cleanup
3447		3910
3448	# install some emergency cleanup handlers	3911	# install some emergency cleanup handlers
3449	BEGIN {	3912	BEGIN {
3450	our %SIGWATCHER = ();	3913	our %SIGWATCHER = ();
3451	for my $signal (qw(INT HUP TERM)) {	3914	for my $signal (qw(INT HUP TERM)) {
3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3915	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3453	cf::cleanup "SIG$signal";	3916	cf::cleanup "SIG$signal";
3454	};	3917	};
3455	}	3918	}
3456	}	3919	}
3457		3920
3458	sub write_runtime_sync {	3921	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";	3922	my $t0 = AE::time;
3460		3923
3461	# first touch the runtime file to show we are still running:	3924	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3925	# the fsync below can take a very very long time.
3463		3926
3464	IO::AIO::aio_utime $runtime, undef, undef;	3927	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3928
3466	my $guard = cf::lock_acquire "write_runtime";	3929	my $guard = cf::lock_acquire "write_runtime";
3467		3930
3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3931	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3469	or return;	3932	or return;
3470		3933
3471	my $value = $cf::RUNTIME + 90 + 10;	3934	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3935	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3936	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3946	aio_utime $fh, undef, undef;
3484		3947
3485	close $fh	3948	close $fh
3486	or return;	3949	or return;
3487		3950
3488	aio_rename "$runtime~", $runtime	3951	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3952	and return;
3490		3953
3491	warn "runtime file written.\n";	3954	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3492		3955
3493	1	3956	1
3494	}	3957	}
3495		3958
3496	our $uuid_lock;	3959	our $uuid_lock;
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3968	my $uuid = "$LOCALDIR/uuid";
3506		3969
3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3970	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508	or return;	3971	or return;
3509		3972
3510	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3973	my $value = uuid_seq uuid_cur;
		3974
		3975	unless ($value) {
		3976	info "cowardly refusing to write zero uuid value!\n";
		3977	return;
		3978	}
		3979
		3980	my $value = uuid_str $value + $uuid_skip;
3511	$uuid_skip = 0;	3981	$uuid_skip = 0;
3512		3982
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3983	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3984	and return;
3515		3985
…		…
3521	or return;	3991	or return;
3522		3992
3523	aio_rename "$uuid~", $uuid	3993	aio_rename "$uuid~", $uuid
3524	and return;	3994	and return;
3525		3995
3526	warn "uuid file written ($value).\n";	3996	trace "uuid file written ($value).\n";
3527		3997
3528	1	3998	1
3529		3999
3530	}	4000	}
3531		4001
…		…
3537	}	4007	}
3538		4008
3539	sub emergency_save() {	4009	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	4010	my $freeze_guard = cf::freeze_mainloop;
3541		4011
3542	warn "enter emergency perl save\n";	4012	info "emergency_perl_save: enter\n";
		4013
		4014	# this is a trade-off: we want to be very quick here, so
		4015	# save all maps without fsync, and later call a global sync
		4016	# (which in turn might be very very slow)
		4017	local $USE_FSYNC = 0;
3543		4018
3544	cf::sync_job {	4019	cf::sync_job {
		4020	cf::write_runtime_sync; # external watchdog should not bark
		4021
3545	# use a peculiar iteration method to avoid tripping on perl	4022	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	4023	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	4024	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	4025	info "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	4026	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	4027	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	4028	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4029	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	4030	$pl->save;
3554	}	4031	}
3555	warn "end emergency player save\n";	4032	info "emergency_perl_save: end player save\n";
3556		4033
3557	warn "begin emergency map save\n";	4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
		4036	info "emergency_perl_save: begin map save\n";
3558	for my $path (keys %cf::MAP) {	4037	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	4038	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	4039	$map->valid or next;
3561	$map->save;	4040	$map->save;
3562	}	4041	}
3563	warn "end emergency map save\n";	4042	info "emergency_perl_save: end map save\n";
3564		4043
3565	warn "begin emergency database checkpoint\n";	4044	cf::write_runtime_sync; # external watchdog should not bark
		4045
		4046	info "emergency_perl_save: begin database checkpoint\n";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	4047	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	4048	info "emergency_perl_save: end database checkpoint\n";
3568		4049
3569	warn "begin write uuid\n";	4050	info "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	4051	write_uuid_sync 1;
3571	warn "end write uuid\n";	4052	info "emergency_perl_save: end write uuid\n";
		4053
		4054	cf::write_runtime_sync; # external watchdog should not bark
		4055
		4056	trace "emergency_perl_save: syncing database to disk";
		4057	BDB::db_env_txn_checkpoint $DB_ENV;
		4058
		4059	info "emergency_perl_save: starting sync\n";
		4060	IO::AIO::aio_sync sub {
		4061	info "emergency_perl_save: finished sync\n";
		4062	};
		4063
		4064	cf::write_runtime_sync; # external watchdog should not bark
		4065
		4066	trace "emergency_perl_save: flushing outstanding aio requests";
		4067	while (IO::AIO::nreqs || BDB::nreqs) {
		4068	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4069	}
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
3572	};	4072	};
3573		4073
3574	warn "leave emergency perl save\n";	4074	info "emergency_perl_save: leave\n";
3575	}	4075	}
3576		4076
3577	sub post_cleanup {	4077	sub post_cleanup {
3578	my ($make_core) = @_;	4078	my ($make_core) = @_;
3579		4079
		4080	IO::AIO::flush;
		4081
3580	warn Carp::longmess "post_cleanup backtrace"	4082	error Carp::longmess "post_cleanup backtrace"
3581	if $make_core;	4083	if $make_core;
		4084
		4085	my $fh = pidfile;
		4086	unlink $PIDFILE if <$fh> == $$;
		4087	}
		4088
		4089	# a safer delete_package, copied from Symbol
		4090	sub clear_package($) {
		4091	my $pkg = shift;
		4092
		4093	# expand to full symbol table name if needed
		4094	unless ($pkg =~ /^main::.*::$/) {
		4095	$pkg = "main$pkg" if $pkg =~ /^::/;
		4096	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4097	$pkg .= '::' unless $pkg =~ /::$/;
		4098	}
		4099
		4100	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4101	my $stem_symtab = *{$stem}{HASH};
		4102
		4103	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4104	or return;
		4105
		4106	# clear all symbols
		4107	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4108	for my $name (keys %$leaf_symtab) {
		4109	_gv_clear *{"$pkg$name"};
		4110	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4111	}
3582	}	4112	}
3583		4113
3584	sub do_reload_perl() {	4114	sub do_reload_perl() {
3585	# can/must only be called in main	4115	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	4116	unless (in_main) {
3587	warn "can only reload from main coroutine";	4117	error "can only reload from main coroutine";
3588	return;	4118	return;
3589	}	4119	}
3590		4120
3591	warn "reloading...";	4121	return if $RELOAD++;
3592		4122
3593	warn "entering sync_job";	4123	my $t1 = AE::time;
3594		4124
		4125	while ($RELOAD) {
		4126	cf::get_slot 0.1, -1, "reload_perl";
		4127	info "perl_reload: reloading...";
		4128
		4129	trace "perl_reload: entering sync_job";
		4130
3595	cf::sync_job {	4131	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4132	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4133
3600	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;
3602
3603	# if anything goes wrong in here, we should simply crash as we already saved
3604
3605	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs || BDB::nreqs;
3611	warn "iterate...";
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";	4134	trace "perl_reload: cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;	4135	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();	4136	%EXT_CORO = ();
3619		4137
3620	warn "removing commands";	4138	trace "perl_reload: removing commands";
3621	%COMMAND = ();	4139	%COMMAND = ();
3622		4140
3623	warn "removing ext/exti commands";	4141	trace "perl_reload: removing ext/exti commands";
3624	%EXTCMD = ();	4142	%EXTCMD = ();
3625	%EXTICMD = ();	4143	%EXTICMD = ();
3626		4144
3627	warn "unloading/nuking all extensions";	4145	trace "perl_reload: unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {	4146	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";	4147	trace "... unloading $pkg";
3630		4148
3631	if (my $cb = $pkg->can ("unload")) {	4149	if (my $cb = $pkg->can ("unload")) {
3632	eval {	4150	eval {
3633	$cb->($pkg);	4151	$cb->($pkg);
3634	1	4152	1
3635	} or warn "$pkg unloaded, but with errors: $@";	4153	} or error "$pkg unloaded, but with errors: $@";
		4154	}
		4155
		4156	trace "... clearing $pkg";
		4157	clear_package $pkg;
3636	}	4158	}
3637		4159
3638	warn "... nuking $pkg";
3639	Symbol::delete_package $pkg;
3640	}
3641
3642	warn "unloading all perl modules loaded from $LIBDIR";	4160	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3643	while (my ($k, $v) = each %INC) {	4161	while (my ($k, $v) = each %INC) {
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4162	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		4163
3646	warn "... unloading $k";	4164	trace "... unloading $k";
3647	delete $INC{$k};	4165	delete $INC{$k};
3648		4166
3649	$k =~ s/\.pm$//;	4167	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;	4168	$k =~ s/\//::/g;
3651		4169
3652	if (my $cb = $k->can ("unload_module")) {	4170	if (my $cb = $k->can ("unload_module")) {
3653	$cb->();	4171	$cb->();
		4172	}
		4173
		4174	clear_package $k;
3654	}	4175	}
3655		4176
3656	Symbol::delete_package $k;
3657	}
3658
3659	warn "getting rid of safe::, as good as possible";	4177	trace "perl_reload: getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	4178	clear_package "safe::$_"
3661	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3662		4180
3663	warn "unloading cf.pm \"a bit\"";	4181	trace "perl_reload: unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	4182	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	4183	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		4184
3667	# don't, removes xs symbols, too,	4185	# don't, removes xs symbols, too,
3668	# and global variables created in xs	4186	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	4187	#clear_package __PACKAGE__;
3670		4188
3671	warn "unload completed, starting to reload now";	4189	info "perl_reload: unload completed, starting to reload now";
3672		4190
3673	warn "reloading cf.pm";	4191	trace "perl_reload: reloading cf.pm";
3674	require cf;	4192	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4193	cf::_connect_to_perl_1;
3676		4194
3677	warn "loading config and database again";	4195	trace "perl_reload: loading config and database again";
3678	cf::reload_config;	4196	cf::reload_config;
3679		4197
3680	warn "loading extensions";	4198	trace "perl_reload: loading extensions";
3681	cf::load_extensions;	4199	cf::load_extensions;
3682		4200
		4201	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	4202	trace "perl_reload: reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	4203	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	4204	trace "perl_reload: reattaching attachments to maps";
3686	reattach $_ for values %MAP;	4205	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	4206	trace "perl_reload: reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	4207	reattach $_ for values %PLAYER;
		4208	}
3689		4209
3690	warn "leaving sync_job";	4210	cf::_post_init 1;
3691		4211
		4212	trace "perl_reload: leaving sync_job";
		4213
3692	1	4214	1
3693	} or do {	4215	} or do {
3694	warn $@;	4216	error $@;
3695	cf::cleanup "error while reloading, exiting.";	4217	cf::cleanup "perl_reload: error, exiting.";
		4218	};
		4219
		4220	--$RELOAD;
3696	};	4221	}
3697		4222
3698	warn "reloaded";	4223	$t1 = AE::time - $t1;
		4224	info "perl_reload: completed in ${t1}s\n";
3699	};	4225	};
3700		4226
3701	our $RELOAD_WATCHER; # used only during reload	4227	our $RELOAD_WATCHER; # used only during reload
3702		4228
3703	sub reload_perl() {	4229	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	4230	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	4231	# coro crashes during coro_state_free->destroy here.
3706		4232
		4233	$RELOAD_WATCHER ||= cf::async {
		4234	Coro::AIO::aio_wait cache_extensions;
		4235
3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4236	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	4237	do_reload_perl;
3709	undef $RELOAD_WATCHER;	4238	undef $RELOAD_WATCHER;
		4239	};
3710	};	4240	};
3711	}	4241	}
3712		4242
3713	register_command "reload" => sub {	4243	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	4244	my ($who, $arg) = @_;
…		…
3720	reload_perl;	4250	reload_perl;
3721	};	4251	};
3722	}	4252	}
3723	};	4253	};
3724		4254
3725	unshift @INC, $LIBDIR;	4255	#############################################################################
3726		4256
3727	my $bug_warning = 0;	4257	my $bug_warning = 0;
3728		4258
3729	our @WAIT_FOR_TICK;
3730	our @WAIT_FOR_TICK_BEGIN;
3731
3732	sub wait_for_tick {	4259	sub wait_for_tick() {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	4260	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3734		4261
3735	my $signal = new Coro::Signal;	4262	$WAIT_FOR_TICK->wait;
3736	push @WAIT_FOR_TICK, $signal;
3737	$signal->wait;
3738	}	4263	}
3739		4264
3740	sub wait_for_tick_begin {	4265	sub wait_for_tick_begin() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4266	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4267
3743	my $signal = new Coro::Signal;	4268	my $signal = new Coro::Signal;
3744	push @WAIT_FOR_TICK_BEGIN, $signal;	4269	push @WAIT_FOR_TICK_BEGIN, $signal;
3745	$signal->wait;	4270	$signal->wait;
3746	}	4271	}
…		…
3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3751	unless ++$bug_warning > 10;	4276	unless ++$bug_warning > 10;
3752	return;	4277	return;
3753	}	4278	}
3754		4279
3755	cf::server_tick; # one server iteration	4280	cf::one_tick; # one server iteration
		4281
		4282	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3756		4283
3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4284	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3758	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4285	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3759	Coro::async_pool {	4286	Coro::async_pool {
3760	$Coro::current->{desc} = "runtime saver";	4287	$Coro::current->{desc} = "runtime saver";
3761	write_runtime_sync	4288	write_runtime_sync
3762	or warn "ERROR: unable to write runtime file: $!";	4289	or error "ERROR: unable to write runtime file: $!";
3763	};	4290	};
3764	}	4291	}
3765		4292
3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4293	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3767	$sig->send;	4294	$sig->send;
3768	}	4295	}
3769	while (my $sig = shift @WAIT_FOR_TICK) {	4296	$WAIT_FOR_TICK->broadcast;
3770	$sig->send;
3771	}
3772		4297
3773	$LOAD = ($NOW - $TICK_START) / $TICK;	4298	$LOAD = ($NOW - $TICK_START) / $TICK;
3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4299	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3775		4300
3776	if (0) {	4301	if (0) {
3777	if ($NEXT_TICK) {	4302	if ($NEXT_TICK) {
3778	my $jitter = $TICK_START - $NEXT_TICK;	4303	my $jitter = $TICK_START - $NEXT_TICK;
3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4304	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3780	warn "jitter $JITTER\n";#d#	4305	debug "jitter $JITTER\n";#d#
3781	}	4306	}
3782	}	4307	}
3783	}	4308	}
3784		4309
3785	{	4310	{
3786	# configure BDB	4311	# configure BDB
		4312	info "initialising database";
3787		4313
3788	BDB::min_parallel 8;	4314	BDB::min_parallel 16;
3789	BDB::max_poll_reqs $TICK * 0.1;	4315	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	4316	#$AnyEvent::BDB::WATCHER->priority (1);
3791		4317
3792	unless ($DB_ENV) {	4318	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	4319	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4320	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795	| BDB::LOG_AUTOREMOVE, 1);	4321	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4322	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4323	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4324	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		4325
3799	cf::sync_job {	4326	cf::sync_job {
3800	eval {	4327	eval {
…		…
3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4346	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820	};	4347	};
3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4348	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4349	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823	};	4350	};
		4351
		4352	info "database initialised";
3824	}	4353	}
3825		4354
3826	{	4355	{
3827	# configure IO::AIO	4356	# configure IO::AIO
3828		4357
		4358	info "initialising aio";
3829	IO::AIO::min_parallel 8;	4359	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	4360	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	4361	undef $AnyEvent::AIO::WATCHER;
		4362	info "aio initialised";
3832	}	4363	}
3833		4364
3834	my $_log_backtrace;	4365	our $_log_backtrace;
		4366	our $_log_backtrace_last;
3835		4367
3836	sub _log_backtrace {	4368	sub _log_backtrace {
3837	my ($msg, @addr) = @_;	4369	my ($msg, @addr) = @_;
3838		4370
3839	$msg =~ s/\n//;	4371	$msg =~ s/\n$//;
3840		4372
		4373	if ($_log_backtrace_last eq $msg) {
		4374	LOG llevInfo, "[ABT] $msg\n";
		4375	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3841	# limit the # of concurrent backtraces	4376	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4377	} elsif ($_log_backtrace < 2) {
		4378	$_log_backtrace_last = $msg;
3843	++$_log_backtrace;	4379	++$_log_backtrace;
		4380	my $perl_bt = Carp::longmess $msg;
3844	async {	4381	async {
3845	$Coro::current->{desc} = "abt $msg";	4382	$Coro::current->{desc} = "abt $msg";
3846		4383
3847	my @bt = fork_call {	4384	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	4385	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	4396	}
3860		4397
3861	@funcs	4398	@funcs
3862	};	4399	};
3863		4400
3864	LOG llevInfo, "[ABT] $msg\n";	4401	LOG llevInfo, "[ABT] $perl_bt\n";
		4402	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	4403	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	4404	--$_log_backtrace;
3867	};	4405	};
3868	} else {	4406	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	4407	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	4408	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3871	}	4409	}
3872	}	4410	}
3873		4411
3874	# load additional modules	4412	# load additional modules
3875	use cf::pod;	4413	require "cf/$_.pm" for @EXTRA_MODULES;
		4414	cf::_connect_to_perl_2;
3876		4415
3877	END { cf::emergency_save }	4416	END { cf::emergency_save }
3878		4417
3879	1	4418	1
3880		4419

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