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Revision 1.432 by root, Mon May 5 22:38:47 2008 UTC vs.
Revision 1.607 by root, Sun Nov 18 09:29:25 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
1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1529	$pl->ob->check_score;
1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1531	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1532		1850
1533	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1534	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1535	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1589	\@logins	1907	\@logins
1590	}	1908	}
1591		1909
1592	=item $player->maps	1910	=item $player->maps
1593		1911
		1912	=item cf::player::maps $login
		1913
1594	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1595	player. May block.	1915	player. May block.
1596		1916
1597	=cut	1917	=cut
1598		1918
…		…
1615	}	1935	}
1616		1936
1617	\@paths	1937	\@paths
1618	}	1938	}
1619		1939
1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1621		1941
1622	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1623
1624	=cut
1625
1626	use re 'eval';
1627
1628	my $group;
1629	my $interior; $interior = qr{
1630	# match a pod interior sequence sans C<< >>
1631	(?:
1632	\ (.*?)\ (?{ $group = $^N })
1633	| < (??{$interior}) >
1634	)
1635	}x;
1636
1637	sub expand_cfpod {
1638	my ($self, $pod) = @_;
1639
1640	my $xml;
1641
1642	while () {
1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1644	$group = $1;
1645
1646	$group =~ s/&/&amp;/g;
1647	$group =~ s/</&lt;/g;
1648
1649	$xml .= $group;
1650	} elsif ($pod =~ m%\G
1651	([BCGHITU])
1652	<
1653	(?:
1654	([^<>]*) (?{ $group = $^N })
1655	| < $interior >
1656	)
1657	>
1658	%gcsx
1659	) {
1660	my ($code, $data) = ($1, $group);
1661
1662	if ($code eq "B") {
1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1664	} elsif ($code eq "I") {
1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1666	} elsif ($code eq "U") {
1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1668	} elsif ($code eq "C") {
1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1670	} elsif ($code eq "T") {
1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1672	} elsif ($code eq "G") {
1673	my ($male, $female) = split /\|/, $data;
1674	$data = $self->gender ? $female : $male;
1675	$xml .= expand_cfpod ($self, $data);
1676	} elsif ($code eq "H") {
1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1679	"")
1680	[$self->{hintmode}];
1681	} else {
1682	$xml .= "error processing '$code($data)' directive";
1683	}
1684	} else {
1685	if ($pod =~ /\G(.+)/) {
1686	warn "parse error while expanding $pod (at $1)";
1687	}
1688	last;
1689	}
1690	}
1691
1692	for ($xml) {
1693	# create single paragraphs (very hackish)
1694	s/(?<=\S)\n(?=\w)/ /g;
1695
1696	# compress some whitespace
1697	s/\s+\n/\n/g; # ws line-ends
1698	s/\n\n+/\n/g; # double lines
1699	s/^\n+//; # beginning lines
1700	s/\n+$//; # ending lines
1701	}
1702
1703	$xml
1704	}
1705
1706	no re 'eval';
1707
1708	sub hintmode {
1709	$_[0]{hintmode} = $_[1] if @_ > 1;
1710	$_[0]{hintmode}
1711	}
1712
1713	=item $player->ext_reply ($msgid, @msg)
1714
1715	Sends an ext reply to the player.
1716
1717	=cut
1718
1719	sub ext_reply($$@) {
1720	my ($self, $id, @msg) = @_;
1721
1722	$self->ns->ext_reply ($id, @msg)
1723	}
1724		1943
1725	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1726		1945
1727	Sends an ext event to the client.	1946	Sends an ext event to the client.
1728		1947
…		…
1748		1967
1749	=cut	1968	=cut
1750		1969
1751	sub find_by_path($) {	1970	sub find_by_path($) {
1752	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1753		1974
1754	my ($match, $specificity);	1975	my ($match, $specificity);
1755		1976
1756	for my $region (list) {	1977	for my $region (list) {
1757	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1786	sub generate_random_map {	2007	sub generate_random_map {
1787	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1788		2009
1789	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
1790		2011
1791	# mit "rum" bekleckern, nicht
1792	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1795	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1796	$rmp->{exit_on_final_map},
1797	$rmp->{xsize}, $rmp->{ysize},
1798	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1799	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1800	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1801	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1802	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1803	(cf::region::find $rmp->{region}), $rmp->{custom}
1804	)
1805	}	2013	}
1806		2014
1807	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1808		2016
1809	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
…		…
1814		2022
1815	sub register {	2023	sub register {
1816	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1817	my $pkg = caller;	2025	my $pkg = caller;
1818		2026
1819	no strict;
1820	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1821		2028
1822	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1823	}	2030	}
1824		2031
1825	# also paths starting with '/'	2032	# also paths starting with '/'
1826	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1827		2034
1828	sub thawer_merge {	2035	sub thawer_merge {
1829	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1830		2037
1831	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1836	}	2043	}
1837		2044
1838	sub normalise {	2045	sub normalise {
1839	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1840		2047
1841	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1842		2049
1843	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1844		2051
1845	# map plan:	2052	# map plan:
1846	#	2053	#
…		…
1861	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1862	$path = "$base/$path";	2069	$path = "$base/$path";
1863	}	2070	}
1864		2071
1865	for ($path) {	2072	for ($path) {
1866	redo if s{//}{/};
1867	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1868	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1869	}	2075	}
1870		2076
1871	$path	2077	$path
…		…
1885	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1886	return $self;	2092	return $self;
1887	}	2093	}
1888	}	2094	}
1889		2095
1890	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1891	()	2097	()
1892	}	2098	}
1893		2099
		2100	# may re-bless or do other evil things
1894	sub init {	2101	sub init {
1895	my ($self) = @_;	2102	my ($self) = @_;
1896		2103
1897	$self	2104	$self
1898	}	2105	}
…		…
1929		2136
1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1931	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1932	}	2139	}
1933		2140
1934	# and all this just because we cannot iterate over
1935	# all maps in C++...
1936	sub change_all_map_light {
1937	my ($change) = @_;
1938
1939	$_->change_map_light ($change)
1940	for grep $_->outdoor, values %cf::MAP;
1941	}
1942
1943	sub decay_objects {	2141	sub decay_objects {
1944	my ($self) = @_;	2142	my ($self) = @_;
1945		2143
1946	return if $self->{deny_reset};	2144	return if $self->{deny_reset};
1947		2145
…		…
1972	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1973		2171
1974	1	2172	1
1975	}	2173	}
1976		2174
		2175	# used to laod the header of an original map
1977	sub load_header_orig {	2176	sub load_header_orig {
1978	my ($self) = @_;	2177	my ($self) = @_;
1979		2178
1980	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1981	}	2180	}
1982		2181
		2182	# used to laod the header of an instantiated map
1983	sub load_header_temp {	2183	sub load_header_temp {
1984	my ($self) = @_;	2184	my ($self) = @_;
1985		2185
1986	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1987	}	2187	}
1988		2188
		2189	# called after loading the header from an instantiated map
1989	sub prepare_temp {	2190	sub prepare_temp {
1990	my ($self) = @_;	2191	my ($self) = @_;
1991		2192
1992	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1993	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1994	# safety	2195	# safety
1995	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1996	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1997	}	2198	}
1998		2199
		2200	# called after loading the header from an original map
1999	sub prepare_orig {	2201	sub prepare_orig {
2000	my ($self) = @_;	2202	my ($self) = @_;
2001		2203
2002	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
2003	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2027		2229
2028	sub find;	2230	sub find;
2029	sub find {	2231	sub find {
2030	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
2031		2233
		2234	cf::cede_to_tick;
		2235
2032	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
2033		2237
2034	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2035	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
2036		2240
2037	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2039	my $guard2 = cf::lock_acquire "map_find:$path";
2040
2041	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
2042	or return;	2243	or return;
2043		2244
2044	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
2045		2246
…		…
2057		2258
2058	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
2059	}	2260	}
2060	}	2261	}
2061		2262
2062	sub pre_load { }	2263	sub pre_load { }
2063	sub post_load { }	2264	#sub post_load { } # XS
2064		2265
2065	sub load {	2266	sub load {
2066	my ($self) = @_;	2267	my ($self) = @_;
2067		2268
2068	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2071		2272
2072	{	2273	{
2073	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
2074		2275
2075	return unless $self->valid;	2276	return unless $self->valid;
2076	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
2077
2078	$self->in_memory (cf::MAP_LOADING);
2079		2278
2080	$self->alloc;	2279	$self->alloc;
2081		2280
2082	$self->pre_load;	2281	$self->pre_load;
2083	cf::cede_to_tick;	2282	cf::cede_to_tick;
2084		2283
		2284	if (exists $self->{load_path}) {
2085	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
2086	$f->skip_block;	2286	$f->skip_block;
2087	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
2088	or return;	2288	or return;
2089		2289
2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
2091	if delete $self->{load_original};	2291	if delete $self->{load_original};
2092		2292
2093	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
2094	utf8::encode $uniq;	2294	utf8::encode $uniq;
2095	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
2096	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
2097	$self->clear_unique_items;	2297	$self->clear_unique_items;
2098	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
2099	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
2100	}	2301	}
2101	}	2302	}
2102	}
2103		2303
2104	$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);
2105		2311
2106	cf::cede_to_tick;	2312	cf::cede_to_tick;
2107	# now do the right thing for maps	2313	# now do the right thing for maps
2108	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
2109	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
2113	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
2114	$self->decay_objects;	2320	$self->decay_objects;
2115	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
2116	$self->update_buttons;	2322	$self->update_buttons;
2117	cf::cede_to_tick;	2323	cf::cede_to_tick;
2118	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
2119	cf::cede_to_tick;
2120	$self->activate;
2121	}	2325	}
2122		2326
2123	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
2124	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
2125
2126	$self->in_memory (cf::MAP_ACTIVE);
2127	}	2329	}
2128		2330
2129	$self->post_load;	2331	$self->post_load;
2130	}
2131		2332
		2333	1
		2334	}
		2335
		2336	# customize the map for a given player, i.e.
		2337	# return the _real_ map. used by e.g. per-player
		2338	# maps to change the path to ~playername/mappath
2132	sub customise_for {	2339	sub customise_for {
2133	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
2134		2341
2135	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
2136	if $self->per_player;	2343	if $self->per_player;
…		…
2139	# if $self->per_party;	2346	# if $self->per_party;
2140		2347
2141	$self	2348	$self
2142	}	2349	}
2143		2350
2144	# find and load all maps in the 3x3 area around a map
2145	sub load_neighbours {
2146	my ($map) = @_;
2147
2148	my @neigh; # diagonal neighbours
2149
2150	for (0 .. 3) {
2151	my $neigh = $map->tile_path ($_)
2152	or next;
2153	$neigh = find $neigh, $map
2154	or next;
2155	$neigh->load;
2156
2157	push @neigh,
2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2160	}
2161
2162	for (grep defined $_->[0], @neigh) {
2163	my ($path, $origin) = @$_;
2164	my $neigh = find $path, $origin
2165	or next;
2166	$neigh->load;
2167	}
2168	}
2169
2170	sub find_sync {	2351	sub find_sync {
2171	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2172		2353
2173	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, $origin
2174	}	2359	}
2175		2360
2176	sub do_load_sync {	2361	sub do_load_sync {
2177	my ($map) = @_;	2362	my ($map) = @_;
2178		2363
		2364	# it's a bug to call this from the main context
2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2180	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2181		2367
2182	cf::sync_job { $map->load };	2368	$map->load;
2183	}	2369	}
2184		2370
2185	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2186	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2187		2373
2188	sub find_async {	2374	sub find_async {
2189	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2190		2376
2191	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2192		2378
2193	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2380	return $map if !$load || $map->linkable;
2195	}	2381	}
2196		2382
2197	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2198		2384
2199	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
…		…
2213	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2214		2400
2215	()	2401	()
2216	}	2402	}
2217		2403
		2404	# common code, used by both ->save and ->swapout
2218	sub save {	2405	sub _save {
2219	my ($self) = @_;	2406	my ($self) = @_;
2220
2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
2222		2407
2223	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2224		2409
2225	return unless $self->dirty;	2410	return unless $self->dirty;
2226		2411
…		…
2246	} else {	2431	} else {
2247	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2248	}	2433	}
2249	}	2434	}
2250		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2251	sub swap_out {	2444	sub swap_out {
2252	my ($self) = @_;	2445	my ($self) = @_;
2253		2446
2254	# save first because save cedes
2255	$self->save;
2256
2257	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2258		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2259	return if $self->players;	2451	return if $self->players;
2260	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
2261	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2262		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
2263	$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};
2264		2503
2265	$self->deactivate;	2504	$self->deactivate;
2266	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2267	$self->clear;	2506	$self->clear;
2268	}
2269
2270	sub reset_at {
2271	my ($self) = @_;
2272
2273	# TODO: safety, remove and allow resettable per-player maps
2274	return 1e99 if $self->{deny_reset};
2275
2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2278
2279	$time + $to
2280	}
2281
2282	sub should_reset {
2283	my ($self) = @_;
2284
2285	$self->reset_at <= $cf::RUNTIME
2286	}
2287
2288	sub reset {
2289	my ($self) = @_;
2290
2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
2292
2293	return if $self->players;
2294
2295	warn "resetting map ", $self->path;
2296
2297	$self->in_memory (cf::MAP_SWAPPED);
2298
2299	# need to save uniques path
2300	unless ($self->{deny_save}) {
2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
2302
2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2304	if $uniq;
2305	}
2306
2307	delete $cf::MAP{$self->path};
2308
2309	$self->deactivate;
2310	$_->clear_links_to ($self) for values %cf::MAP;
2311	$self->clear;
2312		2507
2313	$self->unlink_save;	2508	$self->unlink_save;
2314	$self->destroy;	2509	$self->destroy;
2315	}	2510	}
2316		2511
…		…
2324		2519
2325	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2326		2521
2327	$self->unlink_save;	2522	$self->unlink_save;
2328		2523
2329	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2330	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2331	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2332	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2334		2529
…		…
2391	: normalise $_	2586	: normalise $_
2392	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2393	]	2588	]
2394	}	2589	}
2395		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
2396	=back	2623	=back
2397		2624
2398	=head3 cf::object	2625	=head3 cf::object
2399		2626
2400	=cut	2627	=cut
…		…
2423		2650
2424	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.
2425		2652
2426	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2427		2654
2428	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,
2429	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2430		2657
2431	=cut	2658	=cut
2432		2659
2433	sub deref {	2660	sub deref {
…		…
2465		2692
2466	our $SAY_CHANNEL = {	2693	our $SAY_CHANNEL = {
2467	id => "say",	2694	id => "say",
2468	title => "Map",	2695	title => "Map",
2469	reply => "say ",	2696	reply => "say ",
2470	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.",
2471	};	2698	};
2472		2699
2473	our $CHAT_CHANNEL = {	2700	our $CHAT_CHANNEL = {
2474	id => "chat",	2701	id => "chat",
2475	title => "Chat",	2702	title => "Chat",
…		…
2530		2757
2531	=item $player_object->enter_link	2758	=item $player_object->enter_link
2532		2759
2533	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}>).
2534		2761
2535	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.
2536	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.
2537		2766
2538	Will never block.	2767	Will never block.
2539		2768
2540	=item $player_object->leave_link ($map, $x, $y)	2769	=item $player_object->leave_link ($map, $x, $y)
2541		2770
…		…
2561	sub cf::object::player::enter_link {	2790	sub cf::object::player::enter_link {
2562	my ($self) = @_;	2791	my ($self) = @_;
2563		2792
2564	$self->deactivate_recursive;	2793	$self->deactivate_recursive;
2565		2794
		2795	++$self->{_link_recursion};
		2796
2566	return if UNIVERSAL::isa $self->map, "ext::map_link";	2797	return if UNIVERSAL::isa $self->map, "ext::map_link";
2567		2798
2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2569	if $self->map && $self->map->{path} ne "{link}";	2800	if $self->map && $self->map->{path} ne "{link}";
2570		2801
2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2802	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2572	}	2803	}
2573		2804
2574	sub cf::object::player::leave_link {	2805	sub cf::object::player::leave_link {
2575	my ($self, $map, $x, $y) = @_;	2806	my ($self, $map, $x, $y) = @_;
2576		2807
…		…
2593	($x, $y) = (-1, -1)	2824	($x, $y) = (-1, -1)
2594	unless (defined $x) && (defined $y);	2825	unless (defined $x) && (defined $y);
2595		2826
2596	# use -1 or undef as default coordinates, not 0, 0	2827	# use -1 or undef as default coordinates, not 0, 0
2597	($x, $y) = ($map->enter_x, $map->enter_y)	2828	($x, $y) = ($map->enter_x, $map->enter_y)
2598	if $x <=0 && $y <= 0;	2829	if $x <= 0 && $y <= 0;
2599		2830
2600	$map->load;	2831	$map->load;
2601	$map->load_neighbours;
2602		2832
2603	return unless $self->contr->active;	2833	return unless $self->contr->active;
2604	$self->activate_recursive;
2605		2834
2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2607	$self->enter_map ($map, $x, $y);	2836	if ($self->enter_map ($map, $x, $y)) {
2608	}	2837	# entering was successful
		2838	delete $self->{_link_recursion};
		2839	# only activate afterwards, to support waiting in hooks
		2840	$self->activate_recursive;
		2841	}
2609		2842
		2843	}
		2844
2610	=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)]])
2611		2846
2612	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
2613	her, loading and preparing them map, calling the provided $check callback	2848	her, loading and preparing them map, calling the provided $check callback
2614	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
2615	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
2616	be called at the end of this process.	2851	be called at the end of this process.
2617		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
2618	=cut	2856	=cut
2619		2857
2620	our $GOTOGEN;	2858	our $GOTOGEN;
2621		2859
2622	sub cf::object::player::goto {	2860	sub cf::object::player::goto {
2623	my ($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	}
2624		2868
2625	# 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
2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2870	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2627		2871
2628	$self->enter_link;	2872	$self->enter_link;
…		…
2648	($path, $x, $y) = (undef, undef, undef);	2892	($path, $x, $y) = (undef, undef, undef);
2649	}	2893	}
2650	}	2894	}
2651		2895
2652	my $map = eval {	2896	my $map = eval {
2653	my $map = defined $path ? cf::map::find $path : undef;	2897	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2654		2898
2655	if ($map) {	2899	if ($map) {
2656	$map = $map->customise_for ($self);	2900	$map = $map->customise_for ($self);
2657	$map = $check->($map) if $check && $map;	2901	$map = $check->($map, $x, $y, $self) if $check && $map;
2658	} else {	2902	} else {
2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2903	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2660	}	2904	}
2661		2905
2662	$map	2906	$map
…		…
2670	if ($gen == $self->{_goto_generation}) {	2914	if ($gen == $self->{_goto_generation}) {
2671	delete $self->{_goto_generation};	2915	delete $self->{_goto_generation};
2672	$self->leave_link ($map, $x, $y);	2916	$self->leave_link ($map, $x, $y);
2673	}	2917	}
2674		2918
2675	$done->() if $done;	2919	$done->($self) if $done;
2676	})->prio (1);	2920	})->prio (1);
2677	}	2921	}
2678		2922
2679	=item $player_object->enter_exit ($exit_object)	2923	=item $player_object->enter_exit ($exit_object)
2680		2924
…		…
2748	$Coro::current->{desc} = "enter_exit";	2992	$Coro::current->{desc} = "enter_exit";
2749		2993
2750	unless (eval {	2994	unless (eval {
2751	$self->deactivate_recursive; # just to be sure	2995	$self->deactivate_recursive; # just to be sure
2752		2996
2753	# random map handling
2754	{
2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
2756
2757	prepare_random_map $exit
2758	if $exit->slaying eq "/!";
2759	}
2760
2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2997	my $map = cf::map::normalise $exit->slaying, $exit->map;
2762	my $x = $exit->stats->hp;	2998	my $x = $exit->stats->hp;
2763	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	}
2764		3023
2765	$self->goto ($map, $x, $y);	3024	$self->goto ($map, $x, $y);
2766		3025
2767	# if exit is damned, update players death & WoR home-position	3026	# if exit is damned, update players death & WoR home-position
2768	$self->contr->savebed ($map, $x, $y)	3027	$self->contr->savebed ($map, $x, $y)
2769	if $exit->flag (cf::FLAG_DAMNED);	3028	if $exit->flag (cf::FLAG_DAMNED);
2770		3029
2771	1	3030	1
2772	}) {	3031	}) {
2773	$self->message ("Something went wrong deep within the crossfire server. "	3032	$self->message ("Something went wrong deep within the deliantra server. "
2774	. "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. "
2775	. "Please report this to the dungeon master!",	3034	. "Please report this to the dungeon master!",
2776	cf::NDI_UNIQUE | cf::NDI_RED);	3035	cf::NDI_UNIQUE | cf::NDI_RED);
2777		3036
2778	warn "ERROR in enter_exit: $@";	3037	error "ERROR in enter_exit: $@";
2779	$self->leave_link;	3038	$self->leave_link;
2780	}	3039	}
2781	})->prio (1);	3040	})->prio (1);
2782	}	3041	}
2783		3042
…		…
2794		3053
2795	sub cf::client::send_drawinfo {	3054	sub cf::client::send_drawinfo {
2796	my ($self, $text, $flags) = @_;	3055	my ($self, $text, $flags) = @_;
2797		3056
2798	utf8::encode $text;	3057	utf8::encode $text;
2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3058	$self->send_packet (sprintf "msg %d log %s", $flags || cf::NDI_BLACK, $text);
		3059	}
		3060
		3061	=item $client->send_big_packet ($pkt)
		3062
		3063	Like C<send_packet>, but tries to compress large packets, and fragments
		3064	them as required.
		3065
		3066	=cut
		3067
		3068	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3069
		3070	sub cf::client::send_big_packet {
		3071	my ($self, $pkt) = @_;
		3072
		3073	# try lzf for large packets
		3074	$pkt = "lzf " . Compress::LZF::compress $pkt
		3075	if 1024 <= length $pkt and $self->{can_lzf};
		3076
		3077	# split very large packets
		3078	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3079	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3080	$pkt = "frag";
		3081	}
		3082
		3083	$self->send_packet ($pkt);
2800	}	3084	}
2801		3085
2802	=item $client->send_msg ($channel, $msg, $color, [extra...])	3086	=item $client->send_msg ($channel, $msg, $color, [extra...])
2803		3087
2804	Send a drawinfo or msg packet to the client, formatting the msg for the	3088	Send a msg packet to the client, formatting the msg for the client if
2805	client if neccessary. C<$type> should be a string identifying the type of	3089	necessary. C<$type> should be a string identifying the type of the
2806	the message, with C<log> being the default. If C<$color> is negative, suppress	3090	message, with C<log> being the default. If C<$color> is negative, suppress
2807	the message unless the client supports the msg packet.	3091	the message unless the client supports the msg packet.
2808		3092
2809	=cut	3093	=cut
2810		3094
2811	# non-persistent channels (usually the info channel)	3095	# non-persistent channels (usually the info channel)
2812	our %CHANNEL = (	3096	our %CHANNEL = (
		3097	"c/motd" => {
		3098	id => "infobox",
		3099	title => "MOTD",
		3100	reply => undef,
		3101	tooltip => "The message of the day",
		3102	},
2813	"c/identify" => {	3103	"c/identify" => {
2814	id => "infobox",	3104	id => "infobox",
2815	title => "Identify",	3105	title => "Identify",
2816	reply => undef,	3106	reply => undef,
2817	tooltip => "Items recently identified",	3107	tooltip => "Items recently identified",
…		…
2819	"c/examine" => {	3109	"c/examine" => {
2820	id => "infobox",	3110	id => "infobox",
2821	title => "Examine",	3111	title => "Examine",
2822	reply => undef,	3112	reply => undef,
2823	tooltip => "Signs and other items you examined",	3113	tooltip => "Signs and other items you examined",
		3114	},
		3115	"c/shopinfo" => {
		3116	id => "infobox",
		3117	title => "Shop Info",
		3118	reply => undef,
		3119	tooltip => "What your bargaining skill tells you about the shop",
2824	},	3120	},
2825	"c/book" => {	3121	"c/book" => {
2826	id => "infobox",	3122	id => "infobox",
2827	title => "Book",	3123	title => "Book",
2828	reply => undef,	3124	reply => undef,
…		…
2844	id => "infobox",	3140	id => "infobox",
2845	title => "Body Parts",	3141	title => "Body Parts",
2846	reply => undef,	3142	reply => undef,
2847	tooltip => "Shows which body parts you posess and are available",	3143	tooltip => "Shows which body parts you posess and are available",
2848	},	3144	},
		3145	"c/statistics" => {
		3146	id => "infobox",
		3147	title => "Statistics",
		3148	reply => undef,
		3149	tooltip => "Shows your primary statistics",
		3150	},
		3151	"c/skills" => {
		3152	id => "infobox",
		3153	title => "Skills",
		3154	reply => undef,
		3155	tooltip => "Shows your experience per skill and item power",
		3156	},
		3157	"c/shopitems" => {
		3158	id => "infobox",
		3159	title => "Shop Items",
		3160	reply => undef,
		3161	tooltip => "Shows the items currently for sale in this shop",
		3162	},
		3163	"c/resistances" => {
		3164	id => "infobox",
		3165	title => "Resistances",
		3166	reply => undef,
		3167	tooltip => "Shows your resistances",
		3168	},
		3169	"c/pets" => {
		3170	id => "infobox",
		3171	title => "Pets",
		3172	reply => undef,
		3173	tooltip => "Shows information abotu your pets/a specific pet",
		3174	},
		3175	"c/perceiveself" => {
		3176	id => "infobox",
		3177	title => "Perceive Self",
		3178	reply => undef,
		3179	tooltip => "You gained detailed knowledge about yourself",
		3180	},
2849	"c/uptime" => {	3181	"c/uptime" => {
2850	id => "infobox",	3182	id => "infobox",
2851	title => "Uptime",	3183	title => "Uptime",
2852	reply => undef,	3184	reply => undef,
2853	tooltip => "How long the server has been running since last restart",	3185	tooltip => "How long the server has been running since last restart",
…		…
2862	id => "party",	3194	id => "party",
2863	title => "Party",	3195	title => "Party",
2864	reply => "gsay ",	3196	reply => "gsay ",
2865	tooltip => "Messages and chat related to your party",	3197	tooltip => "Messages and chat related to your party",
2866	},	3198	},
		3199	"c/death" => {
		3200	id => "death",
		3201	title => "Death",
		3202	reply => undef,
		3203	tooltip => "Reason for and more info about your most recent death",
		3204	},
		3205	"c/fatal" => {
		3206	id => "fatal",
		3207	title => "Fatal Error",
		3208	reply => undef,
		3209	tooltip => "Reason for the server disconnect",
		3210	},
		3211	"c/say" => $SAY_CHANNEL,
		3212	"c/chat" => $CHAT_CHANNEL,
2867	);	3213	);
2868		3214
2869	sub cf::client::send_msg {	3215	sub cf::client::send_msg {
2870	my ($self, $channel, $msg, $color, @extra) = @_;	3216	my ($self, $channel, $msg, $color, @extra) = @_;
2871		3217
2872	$msg = $self->pl->expand_cfpod ($msg);	3218	$msg = $self->pl->expand_cfpod ($msg)
		3219	unless $color & cf::NDI_VERBATIM;
2873		3220
2874	$color &= cf::NDI_CLIENT_MASK; # just in case...	3221	$color &= cf::NDI_CLIENT_MASK; # just in case...
2875		3222
2876	# check predefined channels, for the benefit of C	3223	# check predefined channels, for the benefit of C
2877	if ($CHANNEL{$channel}) {	3224	if ($CHANNEL{$channel}) {
2878	$channel = $CHANNEL{$channel};	3225	$channel = $CHANNEL{$channel};
2879		3226
2880	$self->ext_msg (channel_info => $channel)	3227	$self->ext_msg (channel_info => $channel);
2881	if $self->can_msg;
2882
2883	$channel = $channel->{id};	3228	$channel = $channel->{id};
2884		3229
2885	} elsif (ref $channel) {	3230	} elsif (ref $channel) {
2886	# send meta info to client, if not yet sent	3231	# send meta info to client, if not yet sent
2887	unless (exists $self->{channel}{$channel->{id}}) {	3232	unless (exists $self->{channel}{$channel->{id}}) {
2888	$self->{channel}{$channel->{id}} = $channel;	3233	$self->{channel}{$channel->{id}} = $channel;
2889	$self->ext_msg (channel_info => $channel)	3234	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891	}	3235	}
2892		3236
2893	$channel = $channel->{id};	3237	$channel = $channel->{id};
2894	}	3238	}
2895		3239
2896	return unless @extra || length $msg;	3240	return unless @extra || length $msg;
2897		3241
2898	if ($self->can_msg) {
2899	# default colour, mask it out	3242	# default colour, mask it out
2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3243	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2901	if $color & cf::NDI_DEF;	3244	if $color & cf::NDI_DEF;
2902		3245
2903	$self->send_packet ("msg " . $self->{json_coder}->encode (	3246	my $pkt = "msg "
		3247	. $self->{json_coder}->encode (
2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3248	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2905	} else {	3249	);
2906	if ($color >= 0) {
2907	# replace some tags by gcfclient-compatible ones
2908	for ($msg) {
2909	1 while
2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2915	}
2916		3250
2917	$color &= cf::NDI_COLOR_MASK;	3251	$self->send_big_packet ($pkt);
2918
2919	utf8::encode $msg;
2920
2921	if (0 && $msg =~ /\[/) {
2922	# COMMAND/INFO
2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
2924	} else {
2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2926	$self->send_packet ("drawinfo $color $msg")
2927	}
2928	}
2929	}
2930	}	3252	}
2931		3253
2932	=item $client->ext_msg ($type, @msg)	3254	=item $client->ext_msg ($type, @msg)
2933		3255
2934	Sends an ext event to the client.	3256	Sends an ext event to the client.
…		…
2936	=cut	3258	=cut
2937		3259
2938	sub cf::client::ext_msg($$@) {	3260	sub cf::client::ext_msg($$@) {
2939	my ($self, $type, @msg) = @_;	3261	my ($self, $type, @msg) = @_;
2940		3262
2941	if ($self->extcmd == 2) {
2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3263	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2943	} elsif ($self->extcmd == 1) { # TODO: remove
2944	push @msg, msgtype => "event_$type";
2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2946	}
2947	}
2948
2949	=item $client->ext_reply ($msgid, @msg)
2950
2951	Sends an ext reply to the client.
2952
2953	=cut
2954
2955	sub cf::client::ext_reply($$@) {
2956	my ($self, $id, @msg) = @_;
2957
2958	if ($self->extcmd == 2) {
2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2960	} elsif ($self->extcmd == 1) {
2961	#TODO: version 1, remove
2962	unshift @msg, msgtype => "reply", msgid => $id;
2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2964	}
2965	}	3264	}
2966		3265
2967	=item $success = $client->query ($flags, "text", \&cb)	3266	=item $success = $client->query ($flags, "text", \&cb)
2968		3267
2969	Queues a query to the client, calling the given callback with	3268	Queues a query to the client, calling the given callback with
…		…
3024	my ($ns, $buf) = @_;	3323	my ($ns, $buf) = @_;
3025		3324
3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3325	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3027		3326
3028	if (ref $msg) {	3327	if (ref $msg) {
3029	my ($type, $reply, @payload) =	3328	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3030	"ARRAY" eq ref $msg
3031	? @$msg
3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3033		3329
3034	my @reply;
3035
3036	if (my $cb = $EXTICMD{$type}) {	3330	if (my $cb = $EXTIACMD{$type}) {
		3331	$cb->(
		3332	$ns,
		3333	sub {
		3334	$ns->ext_msg ("reply-$reply", @_)
		3335	if $reply;
		3336	},
		3337	@payload
		3338	);
		3339	} else {
		3340	my @reply;
		3341
		3342	if (my $cb = $EXTICMD{$type}) {
3037	@reply = $cb->($ns, @payload);	3343	@reply = $cb->($ns, @payload);
		3344	}
		3345
		3346	$ns->ext_msg ("reply-$reply", @reply)
		3347	if $reply;
3038	}	3348	}
3039
3040	$ns->ext_reply ($reply, @reply)
3041	if $reply;
3042
3043	} else {	3349	} else {
3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3350	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3045	}	3351	}
3046		3352
3047	cf::override;	3353	cf::override;
3048	},	3354	},
3049	);	3355	);
…		…
3069		3375
3070	$coro	3376	$coro
3071	}	3377	}
3072		3378
3073	cf::client->attach (	3379	cf::client->attach (
3074	on_destroy => sub {	3380	on_client_destroy => sub {
3075	my ($ns) = @_;	3381	my ($ns) = @_;
3076		3382
3077	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3383	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3078	},	3384	},
3079	);	3385	);
…		…
3095	our $safe_hole = new Safe::Hole;	3401	our $safe_hole = new Safe::Hole;
3096		3402
3097	$SIG{FPE} = 'IGNORE';	3403	$SIG{FPE} = 'IGNORE';
3098		3404
3099	$safe->permit_only (Opcode::opset qw(	3405	$safe->permit_only (Opcode::opset qw(
3100	:base_core :base_mem :base_orig :base_math	3406	:base_core :base_mem :base_orig :base_math :base_loop
3101	grepstart grepwhile mapstart mapwhile	3407	grepstart grepwhile mapstart mapwhile
3102	sort time	3408	sort time
3103	));	3409	));
3104		3410
3105	# here we export the classes and methods available to script code	3411	# here we export the classes and methods available to script code
…		…
3109	The following functions and methods are available within a safe environment:	3415	The following functions and methods are available within a safe environment:
3110		3416
3111	cf::object	3417	cf::object
3112	contr pay_amount pay_player map x y force_find force_add destroy	3418	contr pay_amount pay_player map x y force_find force_add destroy
3113	insert remove name archname title slaying race decrease split	3419	insert remove name archname title slaying race decrease split
		3420	value
3114		3421
3115	cf::object::player	3422	cf::object::player
3116	player	3423	player
3117		3424
3118	cf::player	3425	cf::player
…		…
3124	=cut	3431	=cut
3125		3432
3126	for (	3433	for (
3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3434	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3128	insert remove inv nrof name archname title slaying race	3435	insert remove inv nrof name archname title slaying race
3129	decrease split destroy)],	3436	decrease split destroy change_exp value msg lore send_msg)],
3130	["cf::object::player" => qw(player)],	3437	["cf::object::player" => qw(player)],
3131	["cf::player" => qw(peaceful)],	3438	["cf::player" => qw(peaceful send_msg)],
3132	["cf::map" => qw(trigger)],	3439	["cf::map" => qw(trigger)],
3133	) {	3440	) {
3134	no strict 'refs';
3135	my ($pkg, @funs) = @$_;	3441	my ($pkg, @funs) = @$_;
3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3137	for @funs;	3443	for @funs;
3138	}	3444	}
3139		3445
…		…
3154		3460
3155	my $qcode = $code;	3461	my $qcode = $code;
3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3462	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3157	$qcode =~ s/\n/\\n/g;	3463	$qcode =~ s/\n/\\n/g;
3158		3464
		3465	%vars = (_dummy => 0) unless %vars;
		3466
		3467	my @res;
3159	local $_;	3468	local $_;
3160	local @safe::cf::_safe_eval_args = values %vars;
3161		3469
3162	my $eval =	3470	my $eval =
3163	"do {\n"	3471	"do {\n"
3164	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3472	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3165	. "#line 0 \"{$qcode}\"\n"	3473	. "#line 0 \"{$qcode}\"\n"
3166	. $code	3474	. $code
3167	. "\n}"	3475	. "\n}"
3168	;	3476	;
3169		3477
		3478	if ($CFG{safe_eval}) {
3170	sub_generation_inc;	3479	sub_generation_inc;
		3480	local @safe::cf::_safe_eval_args = values %vars;
3171	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3481	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3172	sub_generation_inc;	3482	sub_generation_inc;
		3483	} else {
		3484	local @cf::_safe_eval_args = values %vars;
		3485	@res = wantarray ? eval eval : scalar eval $eval;
		3486	}
3173		3487
3174	if ($@) {	3488	if ($@) {
3175	warn "$@";	3489	warn "$@",
3176	warn "while executing safe code '$code'\n";	3490	"while executing safe code '$code'\n",
3177	warn "with arguments " . (join " ", %vars) . "\n";	3491	"with arguments " . (join " ", %vars) . "\n";
3178	}	3492	}
3179		3493
3180	wantarray ? @res : $res[0]	3494	wantarray ? @res : $res[0]
3181	}	3495	}
3182		3496
…		…
3196	=cut	3510	=cut
3197		3511
3198	sub register_script_function {	3512	sub register_script_function {
3199	my ($fun, $cb) = @_;	3513	my ($fun, $cb) = @_;
3200		3514
3201	no strict 'refs';	3515	$fun = "safe::$fun" if $CFG{safe_eval};
3202	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3516	*$fun = $safe_hole->wrap ($cb);
3203	}	3517	}
3204		3518
3205	=back	3519	=back
3206		3520
3207	=cut	3521	=cut
3208		3522
3209	#############################################################################	3523	#############################################################################
3210	# the server's init and main functions	3524	# the server's init and main functions
3211		3525
		3526	{
		3527	package cf::face;
		3528
		3529	our %HASH; # hash => idx
		3530	our @DATA; # dynamically-created facedata, only faceste 0 used
		3531	our @FOFS; # file offset, if > 0
		3532	our @SIZE; # size of face, in octets
		3533	our @META; # meta hash of face, if any
		3534	our $DATAFH; # facedata filehandle
		3535
		3536	# internal api, not finalised
		3537	sub set {
		3538	my ($name, $type, $data) = @_;
		3539
		3540	my $idx = cf::face::find $name;
		3541
		3542	if ($idx) {
		3543	delete $HASH{cf::face::get_csum $idx};
		3544	} else {
		3545	$idx = cf::face::alloc $name;
		3546	}
		3547
		3548	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3549
		3550	cf::face::set_type $idx, $type;
		3551	cf::face::set_csum $idx, 0, $hash;
		3552
		3553	# we need to destroy the SV itself, not just modify it, as a running ix
		3554	# might hold a reference to it: "delete" achieves that.
		3555	delete $FOFS[0][$idx];
		3556	delete $DATA[0][$idx];
		3557	$DATA[0][$idx] = $data;
		3558	$SIZE[0][$idx] = length $data;
		3559	delete $META[$idx];
		3560	$HASH{$hash} = $idx;#d#
		3561
		3562	$idx
		3563	}
		3564
		3565	sub _get_data($$$) {
		3566	my ($idx, $set, $cb) = @_;
		3567
		3568	if (defined $DATA[$set][$idx]) {
		3569	$cb->($DATA[$set][$idx]);
		3570	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3571	my $size = $SIZE[$set][$idx];
		3572	my $buf;
		3573	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3574	if ($_[0] == $size) {
		3575	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3576	$cb->($buf);
		3577	} else {
		3578	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3579	}
		3580	};
		3581	} else {
		3582	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3583	}
		3584	}
		3585
		3586	# rather ineffient
		3587	sub cf::face::get_data($;$) {
		3588	my ($idx, $set) = @_;
		3589
		3590	_get_data $idx, $set, Coro::rouse_cb;
		3591	Coro::rouse_wait
		3592	}
		3593
		3594	sub cf::face::ix {
		3595	my ($ns, $set, $idx, $pri) = @_;
		3596
		3597	_get_data $idx, $set, sub {
		3598	$ns->ix_send ($idx, $pri, $_[0]);
		3599	};
		3600	}
		3601	}
		3602
3212	sub load_facedata($) {	3603	sub load_facedata($) {
3213	my ($path) = @_;	3604	my ($path) = @_;
3214		3605
3215	# HACK to clear player env face cache, we need some signal framework
3216	# for this (global event?)
3217	%ext::player_env::MUSIC_FACE_CACHE = ();
3218
3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3606	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3220		3607
3221	warn "loading facedata from $path\n";	3608	trace "loading facedata from $path\n";
3222		3609
3223	my $facedata;	3610	my $facedata = decode_storable load_file "$path/faceinfo";
3224	0 < aio_load $path, $facedata
3225	or die "$path: $!";
3226
3227	$facedata = Coro::Storable::thaw $facedata;
3228		3611
3229	$facedata->{version} == 2	3612	$facedata->{version} == 2
3230	or cf::cleanup "$path: version mismatch, cannot proceed.";	3613	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3231		3614
3232	# patch in the exptable	3615	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3233	$facedata->{resource}{"res/exp_table"} = {	3616	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3234	type => FT_RSRC,	3617
3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3618	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3236	};	3619
3237	cf::cede_to_tick;	3620	# BEGIN ATOMIC
		3621	# from here on, everything must be atomic - no thread switch allowed
		3622	my $t1 = EV::time;
3238		3623
3239	{	3624	{
3240	my $faces = $facedata->{faceinfo};	3625	my $faces = $facedata->{faceinfo};
3241		3626
3242	while (my ($face, $info) = each %$faces) {	3627	for my $face (sort keys %$faces) {
		3628	my $info = $faces->{$face};
3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3629	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3244		3630
3245	cf::face::set_visibility $idx, $info->{visibility};	3631	cf::face::set_visibility $idx, $info->{visibility};
3246	cf::face::set_magicmap $idx, $info->{magicmap};	3632	cf::face::set_magicmap $idx, $info->{magicmap};
3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3633	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3634	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3249		3635	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3250	cf::cede_to_tick;	3636	$cf::face::HASH{$info->{hash64}} = $idx;
		3637	delete $cf::face::META[$idx];
3251	}	3638	}
3252		3639
3253	while (my ($face, $info) = each %$faces) {	3640	while (my ($face, $info) = each %$faces) {
3254	next unless $info->{smooth};	3641	next unless $info->{smooth};
3255		3642
…		…
3258		3645
3259	if (my $smooth = cf::face::find $info->{smooth}) {	3646	if (my $smooth = cf::face::find $info->{smooth}) {
3260	cf::face::set_smooth $idx, $smooth;	3647	cf::face::set_smooth $idx, $smooth;
3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3648	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3262	} else {	3649	} else {
3263	warn "smooth face '$info->{smooth}' not found for face '$face'";	3650	error "smooth face '$info->{smooth}' not found for face '$face'";
3264	}	3651	}
3265
3266	cf::cede_to_tick;
3267	}	3652	}
3268	}	3653	}
3269		3654
3270	{	3655	{
3271	my $anims = $facedata->{animinfo};	3656	my $anims = $facedata->{animinfo};
3272		3657
3273	while (my ($anim, $info) = each %$anims) {	3658	while (my ($anim, $info) = each %$anims) {
3274	cf::anim::set $anim, $info->{frames}, $info->{facings};	3659	cf::anim::set $anim, $info->{frames}, $info->{facings};
3275	cf::cede_to_tick;
3276	}	3660	}
3277		3661
3278	cf::anim::invalidate_all; # d'oh	3662	cf::anim::invalidate_all; # d'oh
3279	}	3663	}
3280		3664
3281	{	3665	{
3282	# TODO: for gcfclient pleasure, we should give resources
3283	# that gcfclient doesn't grok a >10000 face index.
3284	my $res = $facedata->{resource};	3666	my $res = $facedata->{resource};
3285		3667
3286	while (my ($name, $info) = each %$res) {	3668	while (my ($name, $info) = each %$res) {
3287	if (defined $info->{type}) {	3669	if (defined (my $type = $info->{type})) {
		3670	# TODO: different hash - must free and use new index, or cache ixface data queue
3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3671	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3289	my $data;
3290		3672
3291	if ($info->{type} & 1) {
3292	# prepend meta info
3293
3294	my $meta = $enc->encode ({
3295	name => $name,
3296	%{ $info->{meta} || {} },
3297	});
3298
3299	$data = pack "(w/a*)*", $meta, $info->{data};
3300	} else {
3301	$data = $info->{data};
3302	}
3303
3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3305	cf::face::set_type $idx, $info->{type};	3673	cf::face::set_type $idx, $type;
		3674	cf::face::set_csum $idx, 0, $info->{hash};
		3675	$cf::face::SIZE[0][$idx] = $info->{size};
		3676	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3677	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3678	$cf::face::HASH{$info->{hash}} = $idx;
3306	} else {	3679	} else {
3307	$RESOURCE{$name} = $info;	3680	# $RESOURCE{$name} = $info; # unused
3308	}	3681	}
3309
3310	cf::cede_to_tick;
3311	}	3682	}
3312	}	3683	}
		3684
		3685	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3686
		3687	# HACK to clear player env face cache, we need some signal framework
		3688	# for this (global event?)
		3689	%ext::player_env::MUSIC_FACE_CACHE = ();
		3690
		3691	# END ATOMIC
		3692
		3693	cf::debug "facedata atomic update time ", EV::time - $t1;
3313		3694
3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3695	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3315		3696
		3697	aio_close $fh if $fh; # close old facedata
		3698
3316	1	3699	1
3317	}	3700	}
3318
3319	cf::global->attach (on_resource_update => sub {
3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3322
3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3324	my $sound = $soundconf->{compat}[$_]
3325	or next;
3326
3327	my $face = cf::face::find "sound/$sound->[1]";
3328	cf::sound::set $sound->[0] => $face;
3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3330	}
3331
3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
3333	my $face = cf::face::find "sound/$v";
3334	cf::sound::set $k => $face;
3335	}
3336	}
3337	});
3338		3701
3339	register_exticmd fx_want => sub {	3702	register_exticmd fx_want => sub {
3340	my ($ns, $want) = @_;	3703	my ($ns, $want) = @_;
3341		3704
3342	while (my ($k, $v) = each %$want) {	3705	while (my ($k, $v) = each %$want) {
…		…
3350	my $status = load_resource_file_ $_[0];	3713	my $status = load_resource_file_ $_[0];
3351	get_slot 0.1, 100;	3714	get_slot 0.1, 100;
3352	cf::arch::commit_load;	3715	cf::arch::commit_load;
3353		3716
3354	$status	3717	$status
		3718	}
		3719
		3720	sub reload_exp_table {
		3721	_reload_exp_table;
		3722
		3723	cf::face::set
		3724	"res/exp_table" => FT_RSRC,
		3725	JSON::XS->new->utf8->canonical->encode (
		3726	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3727	);
		3728	}
		3729
		3730	sub reload_materials {
		3731	_reload_materials;
3355	}	3732	}
3356		3733
3357	sub reload_regions {	3734	sub reload_regions {
3358	# HACK to clear player env face cache, we need some signal framework	3735	# HACK to clear player env face cache, we need some signal framework
3359	# for this (global event?)	3736	# for this (global event?)
…		…
3367	if exists $_->{match};	3744	if exists $_->{match};
3368	}	3745	}
3369	}	3746	}
3370		3747
3371	sub reload_facedata {	3748	sub reload_facedata {
3372	load_facedata "$DATADIR/facedata"	3749	load_facedata $DATADIR
3373	or die "unable to load facedata\n";	3750	or die "unable to load facedata\n";
3374	}	3751	}
3375		3752
3376	sub reload_archetypes {	3753	sub reload_archetypes {
3377	load_resource_file "$DATADIR/archetypes"	3754	load_resource_file "$DATADIR/archetypes"
3378	or die "unable to load archetypes\n";	3755	or die "unable to load archetypes\n";
		3756
		3757	cf::face::set
		3758	"res/skill_info" => FT_RSRC,
		3759	JSON::XS->new->utf8->canonical->encode (
		3760	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3761	);
		3762
		3763	cf::face::set
		3764	"res/spell_paths" => FT_RSRC,
		3765	JSON::XS->new->utf8->canonical->encode (
		3766	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3767	);
3379	}	3768	}
3380		3769
3381	sub reload_treasures {	3770	sub reload_treasures {
3382	load_resource_file "$DATADIR/treasures"	3771	load_resource_file "$DATADIR/treasures"
3383	or die "unable to load treasurelists\n";	3772	or die "unable to load treasurelists\n";
3384	}	3773	}
3385		3774
		3775	sub reload_sound {
		3776	trace "loading sound config from $DATADIR/sound\n";
		3777
		3778	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3779
		3780	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3781	my $sound = $soundconf->{compat}[$_]
		3782	or next;
		3783
		3784	my $face = cf::face::find "sound/$sound->[1]";
		3785	cf::sound::set $sound->[0] => $face;
		3786	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3787	}
		3788
		3789	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3790	my $face = cf::face::find "sound/$v";
		3791	cf::sound::set $k => $face;
		3792	}
		3793	}
		3794
3386	sub reload_resources {	3795	sub reload_resources {
3387	warn "reloading resource files...\n";	3796	trace "reloading resource files...\n";
3388		3797
		3798	reload_materials;
3389	reload_facedata;	3799	reload_facedata;
		3800	reload_exp_table;
		3801	reload_sound;
3390	reload_archetypes;	3802	reload_archetypes;
3391	reload_regions;	3803	reload_regions;
3392	reload_treasures;	3804	reload_treasures;
3393		3805
3394	warn "finished reloading resource files\n";	3806	trace "finished reloading resource files\n";
3395	}
3396
3397	sub init {
3398	my $guard = freeze_mainloop;
3399
3400	reload_resources;
3401	}	3807	}
3402		3808
3403	sub reload_config {	3809	sub reload_config {
3404	open my $fh, "<:utf8", "$CONFDIR/config"	3810	trace "reloading config file...\n";
3405	or return;
3406		3811
3407	local $/;	3812	my $config = load_file "$CONFDIR/config";
3408	*CFG = YAML::Load <$fh>;	3813	utf8::decode $config;
		3814	*CFG = decode_yaml $config;
3409		3815
3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3816	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3411		3817
3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3818	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3819	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3414		3820
3415	if (exists $CFG{mlockall}) {	3821	if (exists $CFG{mlockall}) {
…		…
3419	};	3825	};
3420	warn $@ if $@;	3826	warn $@ if $@;
3421	}	3827	}
3422	}	3828	}
3423		3829
		3830	sub pidfile() {
		3831	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3832	or die "$PIDFILE: $!";
		3833	flock $fh, &Fcntl::LOCK_EX
		3834	or die "$PIDFILE: flock: $!";
		3835	$fh
		3836	}
		3837
		3838	# make sure only one server instance is running at any one time
		3839	sub atomic {
		3840	my $fh = pidfile;
		3841
		3842	my $pid = <$fh>;
		3843	kill 9, $pid if $pid > 0;
		3844
		3845	seek $fh, 0, 0;
		3846	print $fh $$;
		3847	}
		3848
		3849	sub main_loop {
		3850	trace "EV::loop starting\n";
		3851	if (1) {
		3852	EV::loop;
		3853	}
		3854	trace "EV::loop returned\n";
		3855	goto &main_loop unless $REALLY_UNLOOP;
		3856	}
		3857
3424	sub main {	3858	sub main {
		3859	cf::init_globals; # initialise logging
		3860
		3861	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3862	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3863	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3864	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3865
		3866	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3867
3425	# we must not ever block the main coroutine	3868	# we must not ever block the main coroutine
3426	local $Coro::idle = sub {	3869	$Coro::idle = sub {
3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3870	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3428	(async {	3871	(async {
3429	$Coro::current->{desc} = "IDLE BUG HANDLER";	3872	$Coro::current->{desc} = "IDLE BUG HANDLER";
3430	EV::loop EV::LOOP_ONESHOT;	3873	EV::loop EV::LOOP_ONESHOT;
3431	})->prio (Coro::PRIO_MAX);	3874	})->prio (Coro::PRIO_MAX);
3432	};	3875	};
3433		3876
3434	{	3877	evthread_start IO::AIO::poll_fileno;
3435	my $guard = freeze_mainloop;	3878
		3879	cf::sync_job {
		3880	cf::incloader::init ();
		3881
		3882	db_init;
		3883
		3884	cf::init_anim;
		3885	cf::init_attackmess;
		3886	cf::init_dynamic;
		3887
		3888	cf::load_settings;
		3889
		3890	reload_resources;
3436	reload_config;	3891	reload_config;
3437	db_init;	3892
		3893	cf::init_uuid;
		3894	cf::init_signals;
		3895	cf::init_skills;
		3896
		3897	cf::init_beforeplay;
		3898
		3899	atomic;
		3900
3438	load_extensions;	3901	load_extensions;
3439		3902
3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3903	utime time, time, $RUNTIMEFILE;
3441	evthread_start IO::AIO::poll_fileno;	3904
		3905	# no (long-running) fork's whatsoever before this point(!)
		3906	use POSIX ();
		3907	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3908
		3909	cf::_post_init 0;
3442	}	3910	};
3443		3911
3444	EV::loop;	3912	cf::object::thawer::errors_are_fatal 0;
		3913	info "parse errors in files are no longer fatal from this point on.\n";
		3914
		3915	AE::postpone {
		3916	undef &main; # free gobs of memory :)
		3917	};
		3918
		3919	goto &main_loop;
3445	}	3920	}
3446		3921
3447	#############################################################################	3922	#############################################################################
3448	# initialisation and cleanup	3923	# initialisation and cleanup
3449		3924
3450	# install some emergency cleanup handlers	3925	# install some emergency cleanup handlers
3451	BEGIN {	3926	BEGIN {
3452	our %SIGWATCHER = ();	3927	our %SIGWATCHER = ();
3453	for my $signal (qw(INT HUP TERM)) {	3928	for my $signal (qw(INT HUP TERM)) {
3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3929	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3455	cf::cleanup "SIG$signal";	3930	cf::cleanup "SIG$signal";
3456	};	3931	};
3457	}	3932	}
3458	}	3933	}
3459		3934
3460	sub write_runtime_sync {	3935	sub write_runtime_sync {
3461	my $runtime = "$LOCALDIR/runtime";	3936	my $t0 = AE::time;
3462		3937
3463	# first touch the runtime file to show we are still running:	3938	# first touch the runtime file to show we are still running:
3464	# the fsync below can take a very very long time.	3939	# the fsync below can take a very very long time.
3465		3940
3466	IO::AIO::aio_utime $runtime, undef, undef;	3941	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3467		3942
3468	my $guard = cf::lock_acquire "write_runtime";	3943	my $guard = cf::lock_acquire "write_runtime";
3469		3944
3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3945	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3471	or return;	3946	or return;
3472		3947
3473	my $value = $cf::RUNTIME + 90 + 10;	3948	my $value = $cf::RUNTIME + 90 + 10;
3474	# 10 is the runtime save interval, for a monotonic clock	3949	# 10 is the runtime save interval, for a monotonic clock
3475	# 60 allows for the watchdog to kill the server.	3950	# 60 allows for the watchdog to kill the server.
…		…
3485	aio_utime $fh, undef, undef;	3960	aio_utime $fh, undef, undef;
3486		3961
3487	close $fh	3962	close $fh
3488	or return;	3963	or return;
3489		3964
3490	aio_rename "$runtime~", $runtime	3965	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3491	and return;	3966	and return;
3492		3967
3493	warn "runtime file written.\n";	3968	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3494		3969
3495	1	3970	1
3496	}	3971	}
3497		3972
3498	our $uuid_lock;	3973	our $uuid_lock;
…		…
3507	my $uuid = "$LOCALDIR/uuid";	3982	my $uuid = "$LOCALDIR/uuid";
3508		3983
3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3984	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3510	or return;	3985	or return;
3511		3986
3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3987	my $value = uuid_seq uuid_cur;
		3988
		3989	unless ($value) {
		3990	info "cowardly refusing to write zero uuid value!\n";
		3991	return;
		3992	}
		3993
		3994	my $value = uuid_str $value + $uuid_skip;
3513	$uuid_skip = 0;	3995	$uuid_skip = 0;
3514		3996
3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3997	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3516	and return;	3998	and return;
3517		3999
…		…
3523	or return;	4005	or return;
3524		4006
3525	aio_rename "$uuid~", $uuid	4007	aio_rename "$uuid~", $uuid
3526	and return;	4008	and return;
3527		4009
3528	warn "uuid file written ($value).\n";	4010	trace "uuid file written ($value).\n";
3529		4011
3530	1	4012	1
3531		4013
3532	}	4014	}
3533		4015
…		…
3539	}	4021	}
3540		4022
3541	sub emergency_save() {	4023	sub emergency_save() {
3542	my $freeze_guard = cf::freeze_mainloop;	4024	my $freeze_guard = cf::freeze_mainloop;
3543		4025
3544	warn "enter emergency perl save\n";	4026	info "emergency_perl_save: enter\n";
		4027
		4028	# this is a trade-off: we want to be very quick here, so
		4029	# save all maps without fsync, and later call a global sync
		4030	# (which in turn might be very very slow)
		4031	local $USE_FSYNC = 0;
3545		4032
3546	cf::sync_job {	4033	cf::sync_job {
		4034	cf::write_runtime_sync; # external watchdog should not bark
		4035
3547	# use a peculiar iteration method to avoid tripping on perl	4036	# use a peculiar iteration method to avoid tripping on perl
3548	# refcount bugs in for. also avoids problems with players	4037	# refcount bugs in for. also avoids problems with players
3549	# and maps saved/destroyed asynchronously.	4038	# and maps saved/destroyed asynchronously.
3550	warn "begin emergency player save\n";	4039	info "emergency_perl_save: begin player save\n";
3551	for my $login (keys %cf::PLAYER) {	4040	for my $login (keys %cf::PLAYER) {
3552	my $pl = $cf::PLAYER{$login} or next;	4041	my $pl = $cf::PLAYER{$login} or next;
3553	$pl->valid or next;	4042	$pl->valid or next;
3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4043	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3555	$pl->save;	4044	$pl->save;
3556	}	4045	}
3557	warn "end emergency player save\n";	4046	info "emergency_perl_save: end player save\n";
3558		4047
3559	warn "begin emergency map save\n";	4048	cf::write_runtime_sync; # external watchdog should not bark
		4049
		4050	info "emergency_perl_save: begin map save\n";
3560	for my $path (keys %cf::MAP) {	4051	for my $path (keys %cf::MAP) {
3561	my $map = $cf::MAP{$path} or next;	4052	my $map = $cf::MAP{$path} or next;
3562	$map->valid or next;	4053	$map->valid or next;
3563	$map->save;	4054	$map->save;
3564	}	4055	}
3565	warn "end emergency map save\n";	4056	info "emergency_perl_save: end map save\n";
3566		4057
3567	warn "begin emergency database checkpoint\n";	4058	cf::write_runtime_sync; # external watchdog should not bark
		4059
		4060	info "emergency_perl_save: begin database checkpoint\n";
3568	BDB::db_env_txn_checkpoint $DB_ENV;	4061	BDB::db_env_txn_checkpoint $DB_ENV;
3569	warn "end emergency database checkpoint\n";	4062	info "emergency_perl_save: end database checkpoint\n";
3570		4063
3571	warn "begin write uuid\n";	4064	info "emergency_perl_save: begin write uuid\n";
3572	write_uuid_sync 1;	4065	write_uuid_sync 1;
3573	warn "end write uuid\n";	4066	info "emergency_perl_save: end write uuid\n";
		4067
		4068	cf::write_runtime_sync; # external watchdog should not bark
		4069
		4070	trace "emergency_perl_save: syncing database to disk";
		4071	BDB::db_env_txn_checkpoint $DB_ENV;
		4072
		4073	info "emergency_perl_save: starting sync\n";
		4074	IO::AIO::aio_sync sub {
		4075	info "emergency_perl_save: finished sync\n";
		4076	};
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
		4079
		4080	trace "emergency_perl_save: flushing outstanding aio requests";
		4081	while (IO::AIO::nreqs || BDB::nreqs) {
		4082	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4083	}
		4084
		4085	cf::write_runtime_sync; # external watchdog should not bark
3574	};	4086	};
3575		4087
3576	warn "leave emergency perl save\n";	4088	info "emergency_perl_save: leave\n";
3577	}	4089	}
3578		4090
3579	sub post_cleanup {	4091	sub post_cleanup {
3580	my ($make_core) = @_;	4092	my ($make_core) = @_;
3581		4093
		4094	IO::AIO::flush;
		4095
3582	warn Carp::longmess "post_cleanup backtrace"	4096	error Carp::longmess "post_cleanup backtrace"
3583	if $make_core;	4097	if $make_core;
		4098
		4099	my $fh = pidfile;
		4100	unlink $PIDFILE if <$fh> == $$;
		4101	}
		4102
		4103	# a safer delete_package, copied from Symbol
		4104	sub clear_package($) {
		4105	my $pkg = shift;
		4106
		4107	# expand to full symbol table name if needed
		4108	unless ($pkg =~ /^main::.*::$/) {
		4109	$pkg = "main$pkg" if $pkg =~ /^::/;
		4110	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4111	$pkg .= '::' unless $pkg =~ /::$/;
		4112	}
		4113
		4114	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4115	my $stem_symtab = *{$stem}{HASH};
		4116
		4117	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4118	or return;
		4119
		4120	# clear all symbols
		4121	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4122	for my $name (keys %$leaf_symtab) {
		4123	_gv_clear *{"$pkg$name"};
		4124	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4125	}
3584	}	4126	}
3585		4127
3586	sub do_reload_perl() {	4128	sub do_reload_perl() {
3587	# can/must only be called in main	4129	# can/must only be called in main
3588	if ($Coro::current != $Coro::main) {	4130	unless (in_main) {
3589	warn "can only reload from main coroutine";	4131	error "can only reload from main coroutine";
3590	return;	4132	return;
3591	}	4133	}
3592		4134
3593	warn "reloading...";	4135	return if $RELOAD++;
3594		4136
3595	warn "entering sync_job";	4137	my $t1 = AE::time;
3596		4138
		4139	while ($RELOAD) {
		4140	cf::get_slot 0.1, -1, "reload_perl";
		4141	info "perl_reload: reloading...";
		4142
		4143	trace "perl_reload: entering sync_job";
		4144
3597	cf::sync_job {	4145	cf::sync_job {
3598	cf::write_runtime_sync; # external watchdog should not bark
3599	cf::emergency_save;	4146	#cf::emergency_save;
3600	cf::write_runtime_sync; # external watchdog should not bark
3601		4147
3602	warn "syncing database to disk";
3603	BDB::db_env_txn_checkpoint $DB_ENV;
3604
3605	# if anything goes wrong in here, we should simply crash as we already saved
3606
3607	warn "flushing outstanding aio requests";
3608	for (;;) {
3609	BDB::flush;
3610	IO::AIO::flush;
3611	Coro::cede_notself;
3612	last unless IO::AIO::nreqs || BDB::nreqs;
3613	warn "iterate...";
3614	}
3615
3616	++$RELOAD;
3617
3618	warn "cancelling all extension coros";	4148	trace "perl_reload: cancelling all extension coros";
3619	$_->cancel for values %EXT_CORO;	4149	$_->cancel for values %EXT_CORO;
3620	%EXT_CORO = ();	4150	%EXT_CORO = ();
3621		4151
3622	warn "removing commands";	4152	trace "perl_reload: removing commands";
3623	%COMMAND = ();	4153	%COMMAND = ();
3624		4154
3625	warn "removing ext/exti commands";	4155	trace "perl_reload: removing ext/exti commands";
3626	%EXTCMD = ();	4156	%EXTCMD = ();
3627	%EXTICMD = ();	4157	%EXTICMD = ();
3628		4158
3629	warn "unloading/nuking all extensions";	4159	trace "perl_reload: unloading/nuking all extensions";
3630	for my $pkg (@EXTS) {	4160	for my $pkg (@EXTS) {
3631	warn "... unloading $pkg";	4161	trace "... unloading $pkg";
3632		4162
3633	if (my $cb = $pkg->can ("unload")) {	4163	if (my $cb = $pkg->can ("unload")) {
3634	eval {	4164	eval {
3635	$cb->($pkg);	4165	$cb->($pkg);
3636	1	4166	1
3637	} or warn "$pkg unloaded, but with errors: $@";	4167	} or error "$pkg unloaded, but with errors: $@";
		4168	}
		4169
		4170	trace "... clearing $pkg";
		4171	clear_package $pkg;
3638	}	4172	}
3639		4173
3640	warn "... nuking $pkg";
3641	Symbol::delete_package $pkg;
3642	}
3643
3644	warn "unloading all perl modules loaded from $LIBDIR";	4174	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3645	while (my ($k, $v) = each %INC) {	4175	while (my ($k, $v) = each %INC) {
3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4176	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3647		4177
3648	warn "... unloading $k";	4178	trace "... unloading $k";
3649	delete $INC{$k};	4179	delete $INC{$k};
3650		4180
3651	$k =~ s/\.pm$//;	4181	$k =~ s/\.pm$//;
3652	$k =~ s/\//::/g;	4182	$k =~ s/\//::/g;
3653		4183
3654	if (my $cb = $k->can ("unload_module")) {	4184	if (my $cb = $k->can ("unload_module")) {
3655	$cb->();	4185	$cb->();
		4186	}
		4187
		4188	clear_package $k;
3656	}	4189	}
3657		4190
3658	Symbol::delete_package $k;
3659	}
3660
3661	warn "getting rid of safe::, as good as possible";	4191	trace "perl_reload: getting rid of safe::, as good as possible";
3662	Symbol::delete_package "safe::$_"	4192	clear_package "safe::$_"
3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4193	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3664		4194
3665	warn "unloading cf.pm \"a bit\"";	4195	trace "perl_reload: unloading cf.pm \"a bit\"";
3666	delete $INC{"cf.pm"};	4196	delete $INC{"cf.pm"};
3667	delete $INC{"cf/pod.pm"};	4197	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3668		4198
3669	# don't, removes xs symbols, too,	4199	# don't, removes xs symbols, too,
3670	# and global variables created in xs	4200	# and global variables created in xs
3671	#Symbol::delete_package __PACKAGE__;	4201	#clear_package __PACKAGE__;
3672		4202
3673	warn "unload completed, starting to reload now";	4203	info "perl_reload: unload completed, starting to reload now";
3674		4204
3675	warn "reloading cf.pm";	4205	trace "perl_reload: reloading cf.pm";
3676	require cf;	4206	require cf;
3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4207	cf::_connect_to_perl_1;
3678		4208
3679	warn "loading config and database again";	4209	trace "perl_reload: loading config and database again";
3680	cf::reload_config;	4210	cf::reload_config;
3681		4211
3682	warn "loading extensions";	4212	trace "perl_reload: loading extensions";
3683	cf::load_extensions;	4213	cf::load_extensions;
3684		4214
		4215	if ($REATTACH_ON_RELOAD) {
3685	warn "reattaching attachments to objects/players";	4216	trace "perl_reload: reattaching attachments to objects/players";
3686	_global_reattach; # objects, sockets	4217	_global_reattach; # objects, sockets
3687	warn "reattaching attachments to maps";	4218	trace "perl_reload: reattaching attachments to maps";
3688	reattach $_ for values %MAP;	4219	reattach $_ for values %MAP;
3689	warn "reattaching attachments to players";	4220	trace "perl_reload: reattaching attachments to players";
3690	reattach $_ for values %PLAYER;	4221	reattach $_ for values %PLAYER;
		4222	}
3691		4223
3692	warn "leaving sync_job";	4224	cf::_post_init 1;
3693		4225
		4226	trace "perl_reload: leaving sync_job";
		4227
3694	1	4228	1
3695	} or do {	4229	} or do {
3696	warn $@;	4230	error $@;
3697	cf::cleanup "error while reloading, exiting.";	4231	cf::cleanup "perl_reload: error, exiting.";
		4232	};
		4233
		4234	--$RELOAD;
3698	};	4235	}
3699		4236
3700	warn "reloaded";	4237	$t1 = AE::time - $t1;
		4238	info "perl_reload: completed in ${t1}s\n";
3701	};	4239	};
3702		4240
3703	our $RELOAD_WATCHER; # used only during reload	4241	our $RELOAD_WATCHER; # used only during reload
3704		4242
3705	sub reload_perl() {	4243	sub reload_perl() {
3706	# doing reload synchronously and two reloads happen back-to-back,	4244	# doing reload synchronously and two reloads happen back-to-back,
3707	# coro crashes during coro_state_free->destroy here.	4245	# coro crashes during coro_state_free->destroy here.
3708		4246
		4247	$RELOAD_WATCHER ||= cf::async {
		4248	Coro::AIO::aio_wait cache_extensions;
		4249
3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4250	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3710	do_reload_perl;	4251	do_reload_perl;
3711	undef $RELOAD_WATCHER;	4252	undef $RELOAD_WATCHER;
		4253	};
3712	};	4254	};
3713	}	4255	}
3714		4256
3715	register_command "reload" => sub {	4257	register_command "reload" => sub {
3716	my ($who, $arg) = @_;	4258	my ($who, $arg) = @_;
…		…
3722	reload_perl;	4264	reload_perl;
3723	};	4265	};
3724	}	4266	}
3725	};	4267	};
3726		4268
3727	unshift @INC, $LIBDIR;	4269	#############################################################################
3728		4270
3729	my $bug_warning = 0;	4271	my $bug_warning = 0;
3730		4272
3731	our @WAIT_FOR_TICK;
3732	our @WAIT_FOR_TICK_BEGIN;
3733
3734	sub wait_for_tick {	4273	sub wait_for_tick() {
3735	return if tick_inhibit || $Coro::current == $Coro::main;	4274	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3736		4275
3737	my $signal = new Coro::Signal;	4276	$WAIT_FOR_TICK->wait;
3738	push @WAIT_FOR_TICK, $signal;
3739	$signal->wait;
3740	}	4277	}
3741		4278
3742	sub wait_for_tick_begin {	4279	sub wait_for_tick_begin() {
3743	return if tick_inhibit || $Coro::current == $Coro::main;	4280	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3744		4281
3745	my $signal = new Coro::Signal;	4282	my $signal = new Coro::Signal;
3746	push @WAIT_FOR_TICK_BEGIN, $signal;	4283	push @WAIT_FOR_TICK_BEGIN, $signal;
3747	$signal->wait;	4284	$signal->wait;
3748	}	4285	}
…		…
3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4289	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3753	unless ++$bug_warning > 10;	4290	unless ++$bug_warning > 10;
3754	return;	4291	return;
3755	}	4292	}
3756		4293
3757	cf::server_tick; # one server iteration	4294	cf::one_tick; # one server iteration
		4295
		4296	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3758		4297
3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4298	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4299	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3761	Coro::async_pool {	4300	Coro::async_pool {
3762	$Coro::current->{desc} = "runtime saver";	4301	$Coro::current->{desc} = "runtime saver";
3763	write_runtime_sync	4302	write_runtime_sync
3764	or warn "ERROR: unable to write runtime file: $!";	4303	or error "ERROR: unable to write runtime file: $!";
3765	};	4304	};
3766	}	4305	}
3767		4306
3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3769	$sig->send;	4308	$sig->send;
3770	}	4309	}
3771	while (my $sig = shift @WAIT_FOR_TICK) {	4310	$WAIT_FOR_TICK->broadcast;
3772	$sig->send;
3773	}
3774		4311
3775	$LOAD = ($NOW - $TICK_START) / $TICK;	4312	$LOAD = ($NOW - $TICK_START) / $TICK;
3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4313	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3777		4314
3778	if (0) {	4315	if (0) {
3779	if ($NEXT_TICK) {	4316	if ($NEXT_TICK) {
3780	my $jitter = $TICK_START - $NEXT_TICK;	4317	my $jitter = $TICK_START - $NEXT_TICK;
3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4318	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3782	warn "jitter $JITTER\n";#d#	4319	debug "jitter $JITTER\n";#d#
3783	}	4320	}
3784	}	4321	}
3785	}	4322	}
3786		4323
3787	{	4324	{
3788	# configure BDB	4325	# configure BDB
		4326	info "initialising database";
3789		4327
3790	BDB::min_parallel 8;	4328	BDB::min_parallel 16;
3791	BDB::max_poll_reqs $TICK * 0.1;	4329	BDB::max_poll_reqs $TICK * 0.1;
3792	$Coro::BDB::WATCHER->priority (1);	4330	#$AnyEvent::BDB::WATCHER->priority (1);
3793		4331
3794	unless ($DB_ENV) {	4332	unless ($DB_ENV) {
3795	$DB_ENV = BDB::db_env_create;	4333	$DB_ENV = BDB::db_env_create;
3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4334	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3797	| BDB::LOG_AUTOREMOVE, 1);	4335	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4336	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4337	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4338	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3800		4339
3801	cf::sync_job {	4340	cf::sync_job {
3802	eval {	4341	eval {
…		…
3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4360	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3822	};	4361	};
3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4362	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4363	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3825	};	4364	};
		4365
		4366	info "database initialised";
3826	}	4367	}
3827		4368
3828	{	4369	{
3829	# configure IO::AIO	4370	# configure IO::AIO
3830		4371
		4372	info "initialising aio";
3831	IO::AIO::min_parallel 8;	4373	IO::AIO::min_parallel 8;
3832	IO::AIO::max_poll_time $TICK * 0.1;	4374	IO::AIO::max_poll_time $TICK * 0.1;
3833	$Coro::AIO::WATCHER->priority (1);	4375	undef $AnyEvent::AIO::WATCHER;
		4376	info "aio initialised";
3834	}	4377	}
3835		4378
3836	my $_log_backtrace;	4379	our $_log_backtrace;
		4380	our $_log_backtrace_last;
3837		4381
3838	sub _log_backtrace {	4382	sub _log_backtrace {
3839	my ($msg, @addr) = @_;	4383	my ($msg, @addr) = @_;
3840		4384
3841	$msg =~ s/\n//;	4385	$msg =~ s/\n$//;
3842		4386
		4387	if ($_log_backtrace_last eq $msg) {
		4388	LOG llevInfo, "[ABT] $msg\n";
		4389	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3843	# limit the # of concurrent backtraces	4390	# limit the # of concurrent backtraces
3844	if ($_log_backtrace < 2) {	4391	} elsif ($_log_backtrace < 2) {
		4392	$_log_backtrace_last = $msg;
3845	++$_log_backtrace;	4393	++$_log_backtrace;
		4394	my $perl_bt = Carp::longmess $msg;
3846	async {	4395	async {
3847	$Coro::current->{desc} = "abt $msg";	4396	$Coro::current->{desc} = "abt $msg";
3848		4397
3849	my @bt = fork_call {	4398	my @bt = fork_call {
3850	@addr = map { sprintf "%x", $_ } @addr;	4399	@addr = map { sprintf "%x", $_ } @addr;
…		…
3861	}	4410	}
3862		4411
3863	@funcs	4412	@funcs
3864	};	4413	};
3865		4414
3866	LOG llevInfo, "[ABT] $msg\n";	4415	LOG llevInfo, "[ABT] $perl_bt\n";
		4416	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867	LOG llevInfo, "[ABT] $_\n" for @bt;	4417	LOG llevInfo, "[ABT] $_\n" for @bt;
3868	--$_log_backtrace;	4418	--$_log_backtrace;
3869	};	4419	};
3870	} else {	4420	} else {
3871	LOG llevInfo, "[ABT] $msg\n";	4421	LOG llevInfo, "[ABT] $msg\n";
3872	LOG llevInfo, "[ABT] [suppressed]\n";	4422	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3873	}	4423	}
3874	}	4424	}
3875		4425
3876	# load additional modules	4426	# load additional modules
3877	use cf::pod;	4427	require "cf/$_.pm" for @EXTRA_MODULES;
		4428	cf::_connect_to_perl_2;
3878		4429
3879	END { cf::emergency_save }	4430	END { cf::emergency_save }
3880		4431
3881	1	4432	1
3882		4433

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