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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.362 by root, Mon Sep 10 12:44:06 2007 UTC vs.
Revision 1.617 by root, Mon Aug 10 18:46:04 2015 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	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;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84	our $BDB_POLL_WATCHER;
85	our $DB_ENV;
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91		145
92	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	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)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		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
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	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.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	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
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	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
176	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
177	that call.	282	that call.
178		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
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*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 {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$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;
191		307
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
276	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
277	deadlocked coro.	525	deadlocked coro.
…		…
283		531
284	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.
285		533
286	=cut	534	=cut
287		535
288	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
289	our %LOCKER;#d#
290		537
291	sub lock_wait($) {	538	sub lock_wait($) {
292	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
293
294	if ($LOCKER{$key} == $Coro::current) {#d#
295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
296	return;#d#
297	}#d#
298
299	# wait for lock, if any
300	while ($LOCK{$key}) {
301	push @{ $LOCK{$key} }, $Coro::current;
302	Coro::schedule;
303	}
304	}	540	}
305		541
306	sub lock_acquire($) {	542	sub lock_acquire($) {
307	my ($key) = @_;	543	$LOCKS->guard ($_[0])
308
309	# wait, to be sure we are not locked
310	lock_wait $key;
311
312	$LOCK{$key} = [];
313	$LOCKER{$key} = $Coro::current;#d#
314
315	Coro::guard {
316	delete $LOCKER{$key};#d#
317	# wake up all waiters, to be on the safe side
318	$_->ready for @{ delete $LOCK{$key} };
319	}
320	}	544	}
321		545
322	sub lock_active($) {	546	sub lock_active($) {
323	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
324
325	! ! $LOCK{$key}
326	}	548	}
327		549
328	sub freeze_mainloop {	550	sub freeze_mainloop {
329	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
330		552
331	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
332	$TICK_WATCHER->start;	554	}
333	};	555
334	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
335	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
336	}	569	}
337		570
338	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
339		572
340	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
341	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
342	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.
343		580
344	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
345	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
346		583
347	Useful for short background jobs.	584	Useful for short background jobs.
348		585
349	=cut	586	=cut
350		587
351	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
352	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
353		591
354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
355	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
356	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
357		598
358	while () {	599	while () {
359	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
360	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
361	if ($avail > 0.01) {	605
362	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
363	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
364	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
365	$job->[2]->send;	610	$job->[2]->send;
366	Coro::cede;
367	goto next_job;	611	goto next_job;
368	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
369	}	614	}
370	}	615	}
371		616
372	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
373	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
374	push @cf::WAIT_FOR_TICK, $signal;
375	$signal->wait;
376	} else {	619	} else {
		620	$busy = 0;
377	Coro::schedule;	621	Coro::schedule;
378	}	622	}
379	}	623	}
380	};	624	};
381		625
382	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
383	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
384		630
385	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
386	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
387		634
388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
390	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
401		648
402	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
403		650
404	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
405		652
406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
407	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
409	acceptable.	656	acceptable.
410		657
411	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
412	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
416	=cut	663	=cut
417		664
418	sub sync_job(&) {	665	sub sync_job(&) {
419	my ($job) = @_;	666	my ($job) = @_;
420		667
421	if ($Coro::current == $Coro::main) {	668	if (in_main) {
422	my $time = Event::time;	669	my $time = AE::time;
423		670
424	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
425	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
426		673
427	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
428	# (but this is cancel-safe)	675
429	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
430		677
431	my $busy = 1;	678	my $busy = 1;
432	my @res;	679	my @res;
433		680
434	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
435	@res = eval { $job->() };	683	@res = eval { $job->() };
436	warn $@ if $@;	684	error $@ if $@;
437	undef $busy;	685	undef $busy;
438	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
439		687
440	while ($busy) {	688	while ($busy) {
441	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONCE;
442	}	693	}
		694	}
443		695
444	$time = Event::time - $time;	696	my $time = AE::time - $time;
445		697
446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
448
449	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
450		699
451	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
452	} else {	701	} else {
453	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
454		703
…		…
474	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
475		724
476	$coro	725	$coro
477	}	726	}
478		727
479	=item fork_call { }, $args	728	=item fork_call { }, @args
480		729
481	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
482	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
483	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
484	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
485		734
486	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
487		740
488	sub fork_call(&@) {	741	sub fork_call(&@) {
489	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
490		743
491	# we seemingly have to make a local copy of the whole thing,
492	# otherwise perl prematurely frees the stuff :/
493	# TODO: investigate and fix (likely this will be rather laborious)
494
495	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
496	reset_signals;	745	cf::post_fork;
497	&$cb	746	&$cb
498	}, @args;	747	} @args;
499		748
500	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	)
		761	}
		762
		763	=item $coin = coin_from_name $name
		764
		765	=cut
		766
		767	our %coin_alias = (
		768	"silver" => "silvercoin",
		769	"silvercoin" => "silvercoin",
		770	"silvercoins" => "silvercoin",
		771	"gold" => "goldcoin",
		772	"goldcoin" => "goldcoin",
		773	"goldcoins" => "goldcoin",
		774	"platinum" => "platinacoin",
		775	"platinumcoin" => "platinacoin",
		776	"platinumcoins" => "platinacoin",
		777	"platina" => "platinacoin",
		778	"platinacoin" => "platinacoin",
		779	"platinacoins" => "platinacoin",
		780	"royalty" => "royalty",
		781	"royalties" => "royalty",
		782	);
		783
		784	sub coin_from_name($) {
		785	$coin_alias{$_[0]}
		786	? cf::arch::find $coin_alias{$_[0]}
		787	: undef
501	}	788	}
502		789
503	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
504		791
505	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
507	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
508		795
509	Stores the given C<$value> in the family. It can currently store binary	796	Stores the given C<$value> in the family. It can currently store binary
510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	797	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
511		798
		799	=item $db = cf::db_table "name"
		800
		801	Create and/or open a new database table. The string must not be "db" and must be unique
		802	within each server.
		803
512	=cut	804	=cut
		805
		806	sub db_table($) {
		807	cf::error "db_get called from main context"
		808	if $Coro::current == $Coro::main;
		809
		810	my ($name) = @_;
		811	my $db = BDB::db_create $DB_ENV;
		812
		813	eval {
		814	$db->set_flags (BDB::CHKSUM);
		815
		816	utf8::encode $name;
		817	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		818	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		819	cf::cleanup "db_open(db): $!" if $!;
		820	};
		821	cf::cleanup "db_open(db): $@" if $@;
		822
		823	$db
		824	}
513		825
514	our $DB;	826	our $DB;
515		827
516	sub db_init {	828	sub db_init {
517	unless ($DB) {	829	$DB ||= db_table "db";
518	$DB = BDB::db_create $DB_ENV;
519
520	cf::sync_job {
521	eval {
522	$DB->set_flags (BDB::CHKSUM);
523
524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
526	cf::cleanup "db_open(db): $!" if $!;
527	};
528	cf::cleanup "db_open(db): $@" if $@;
529	};
530	}
531	}	830	}
532		831
533	sub db_get($$) {	832	sub db_get($$) {
534	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
535		834
536	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
537	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
538		839
539	$! ? ()	840	$! ? ()
540	: $data	841	: $data
541	}
542	}	842	}
543		843
544	sub db_put($$$) {	844	sub db_put($$$) {
545	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
574		874
575	my @data;	875	my @data;
576	my $md5;	876	my $md5;
577		877
578	for (0 .. $#$src) {	878	for (0 .. $#$src) {
579	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
580	or Carp::croak "$src->[$_]: $!";
581	}	880	}
582		881
583	# if processing is expensive, check	882	# if processing is expensive, check
584	# checksum first	883	# checksum first
585	if (1) {	884	if (1) {
…		…
598		897
599	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
600	}	899	}
601	}	900	}
602		901
603	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
604	my $data = $process->(\@data);	903	my $data = $process->(\@data);
605	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
606		905
607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
608		907
609	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
610	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
611	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
612		911
…		…
622		921
623	=cut	922	=cut
624		923
625	sub datalog($@) {	924	sub datalog($@) {
626	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
628	}	927	}
629		928
630	=back	929	=back
631		930
632	=cut	931	=cut
633		932
634	#############################################################################	933	#############################################################################
635		934
636	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
637		936
638	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
639	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")
640	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
641		940
642	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>
643	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
644	Crossfire TRT).	943	Deliantra).
645		944
646	=over 4	945	=over 4
647		946
648	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
649		948
…		…
693	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
694		993
695	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
696	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
697		996
698	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
699	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.
700		999
701	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
702		1001
703	=over 4	1002	=over 4
…		…
827		1126
828	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
829	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
830		1129
831	} elsif (ref $type) {	1130	} elsif (ref $type) {
832	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
833		1132
834	} else {	1133	} else {
835	shift @arg;	1134	shift @arg;
836	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
837	}	1136	}
838	}	1137	}
839	}	1138	}
840		1139
841	sub _object_attach {	1140	sub _object_attach {
…		…
851	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
852	}	1151	}
853		1152
854	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
855	} else {	1154	} else {
856	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
857	}	1156	}
858		1157
859	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
860	}	1159	}
861		1160
…		…
920		1219
921	for (@$callbacks) {	1220	for (@$callbacks) {
922	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
923		1222
924	if ($@) {	1223	if ($@) {
925	warn "$@";
926	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
927	override;	1225	override;
928	}	1226	}
929		1227
930	return 1 if $override;	1228	return 1 if $override;
931	}	1229	}
932		1230
933	0	1231	0
934	}	1232	}
935		1233
936	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
937		1235
938	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
939		1237
940	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
941		1239
…		…
947		1245
948	=cut	1246	=cut
949		1247
950	#############################################################################	1248	#############################################################################
951	# object support	1249	# object support
952	#
953		1250
		1251	sub _object_equal($$);
		1252	sub _object_equal($$) {
		1253	my ($a, $b) = @_;
		1254
		1255	return 0 unless (ref $a) eq (ref $b);
		1256
		1257	if ("HASH" eq ref $a) {
		1258	my @ka = keys %$a;
		1259	my @kb = keys %$b;
		1260
		1261	return 0 if @ka != @kb;
		1262
		1263	for (0 .. $#ka) {
		1264	return 0 unless $ka[$_] eq $kb[$_];
		1265	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1266	}
		1267
		1268	} elsif ("ARRAY" eq ref $a) {
		1269
		1270	return 0 if @$a != @$b;
		1271
		1272	for (0 .. $#$a) {
		1273	return 0 unless _object_equal $a->[$_], $b->[$_];
		1274	}
		1275
		1276	} elsif ($a ne $b) {
		1277	return 0;
		1278	}
		1279
		1280	1
		1281	}
		1282
		1283	our $SLOW_MERGES;#d#
954	sub _can_merge {	1284	sub _can_merge {
955	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
956		1286
957	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
958	my $fob1 = Storable::freeze $ob1;
959	my $fob2 = Storable::freeze $ob2;
960		1288
961	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
962	}	1291	}
963		1292
964	sub reattach {	1293	sub reattach {
965	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
966	my ($obj) = @_;	1295	my ($obj) = @_;
967		1296
		1297	# no longer needed after getting rid of delete_package?
968	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
969		1299
970	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
971		1301
972	@$registry = ();	1302	@$registry = ();
973		1303
…		…
978	for (@$attach) {	1308	for (@$attach) {
979	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
980	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
981	}	1311	}
982	} else {	1312	} else {
983	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
984	}	1314	}
985	}	1315	}
986	}	1316	}
987		1317
988	cf::attachable->attach (	1318	cf::attachable->attach (
989	prio => -1000000,	1319	prio => -1000000,
990	on_instantiate => sub {	1320	on_instantiate => sub {
991	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
992		1322
993	$data = from_json $data;	1323	$data = decode_json $data;
994		1324
995	for (@$data) {	1325	for (@$data) {
996	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
997		1327
998	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1012	);	1342	);
1013		1343
1014	sub object_freezer_save {	1344	sub object_freezer_save {
1015	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1016		1346
1017	my $guard = cf::lock_acquire "io";
1018
1019	sync_job {	1347	sync_job {
1020	if (length $$rdata) {	1348	if (length $$rdata) {
1021	utf8::decode (my $decname = $filename);	1349	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1023	$decname, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1024		1353
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	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	}
1029	close $fh;	1361	aio_close $fh;
1030		1362
1031	if (@$objs) {	1363	if (@$objs) {
1032	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) {
1033	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1036	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	}
1037	close $fh;	1372	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1374	}
1040	} else {	1375	} else {
1041	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1042	}	1377	}
1043		1378
1044	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1383	} else {
1046	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1047	}	1385	}
1048	} else {	1386	} else {
1049	aio_unlink $filename;	1387	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1051	}	1389	}
1052	};	1390	};
1053
1054	undef $guard;
1055	}	1391	}
1056		1392
1057	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1059		1395
…		…
1064		1400
1065	sub object_thawer_load {	1401	sub object_thawer_load {
1066	my ($filename) = @_;	1402	my ($filename) = @_;
1067		1403
1068	my ($data, $av);	1404	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1405
1072	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
1073	or return;	1407	or return;
1074		1408
1075	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1411	or return;
1078		1412
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1081	}	1415	}
1082		1416
1083	utf8::decode (my $decname = $filename);	1417	utf8::decode (my $decname = $filename);
1084	warn sprintf "loading %s (%d,%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1085	$decname, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1086		1421
1087	($data, $av)	1422	($data, $av)
1088	}	1423	}
1089		1424
1090	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1094	=cut	1429	=cut
1095		1430
1096	#############################################################################	1431	#############################################################################
1097	# command handling &c	1432	# command handling &c
1098		1433
1099	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1100		1435
1101	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
1102	$name.	1437	$name.
1103		1438
1104	=cut	1439	=cut
…		…
1110	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1111		1446
1112	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1113	}	1448	}
1114		1449
1115	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1116		1451
1117	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1118	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
1119	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
1120	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
1121	has logged in successfully.	1456	has logged in successfully.
1122		1457
1123	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1124	called.
1125		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
1126	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1127		1466
1128	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1129	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
1130	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
1131	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
1132	log-in.	1471	log-in.
1133		1472
1134	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1135	called.
1136		1474
1137	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1138		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
1139	sub register_extcmd {	1482	sub register_extcmd($$) {
1140	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1141		1484
1142	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1143	}	1486	}
1144		1487
1145	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1146	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1147		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1148	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1149	}	1498	}
1150		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1151	cf::player->attach (	1508	cf::player->attach (
1152	on_command => sub {	1509	on_unknown_command => sub {
1153	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1154		1511
1155	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1156	or return;	1513	or return;
1157		1514
…		…
1165	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1166		1523
1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1168		1525
1169	if (ref $msg) {	1526	if (ref $msg) {
1170	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1171	"ARRAY" eq ref $msg
1172	? @$msg
1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1174		1528
1175	my @reply;
1176
1177	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}) {
1178	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1179	}	1547	}
1180		1548
1181	$pl->ext_reply ($reply, @reply)
1182	if $reply;
1183
1184	} else {	1549	} else {
1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1186	}	1551	}
1187		1552
1188	cf::override;	1553	cf::override;
1189	},	1554	},
1190	);	1555	);
1191		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
1192	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1193	cf::sync_job {	1586	cf::sync_job {
1194	my %todo;	1587	my %todo;
1195		1588
1196	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1197	next unless -r $path;	1590	next unless -r $path;
…		…
1215		1608
1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1218		1611
1219	$ext{source} =	1612	$ext{source} =
1220	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1221	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1222	. $source	1615	. $source
1223	. "\n};\n1";	1616	. "\n};\n1";
1224		1617
1225	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1226	}	1619	}
1227		1620
		1621	my $pass = 0;
1228	my %done;	1622	my %done;
1229	while (%todo) {	1623	while (%todo) {
1230	my $progress;	1624	my $progress;
1231		1625
		1626	++$pass;
		1627
		1628	ext:
1232	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1233	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1234	goto skip	1631	next ext
1235	unless exists $done{$_};	1632	unless exists $done{$_};
1236	}	1633	}
1237		1634
1238	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1239		1636
1240	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 $@) {
1241	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1242	: "$v->{base}: extension inactive.\n";
1243		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1244	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1245	warn $msg;	1653
1246	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1247	exit 1;	1655	delete $todo{$k};
1248	}	1656	} else {
1249		1657	$done{$k} = delete $todo{$k};
1250	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1251	}	1663	}
1252
1253	$done{$k} = delete $todo{$k};
1254	push @EXTS, $v->{pkg};
1255	$progress = 1;
1256	}	1664	}
1257		1665
1258	skip:	1666	unless ($progress) {
1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1260	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1261	}	1676	}
1262	};	1677	};
1263	}	1678	}
1264		1679
1265	#############################################################################	1680	#############################################################################
1266		1681
1267	=back	1682	=back
1268		1683
1269	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1270		1685
1271	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1272		1687
1273	=cut	1688	=cut
1274		1689
1275	package cf::player;	1690	package cf::player;
1276		1691
…		…
1319		1734
1320	sub exists($) {	1735	sub exists($) {
1321	my ($login) = @_;	1736	my ($login) = @_;
1322		1737
1323	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1324	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1325	}	1740	}
1326		1741
1327	sub find($) {	1742	sub find($) {
1328	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1329	my $login = $_[0];	1744	my $login = $_[0];
…		…
1339	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1340		1755
1341	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1342	or return;	1757	or return;
1343		1758
1344	$f->next;
1345	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1346	or return;	1760	or return;
		1761
1347	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1348	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1349	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1350	}	1765	}
1351	}	1766	}
1352	}	1767	}
1353		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($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
1354	sub save($) {	1782	sub save($) {
1355	my ($pl) = @_;	1783	my ($pl) = @_;
1356		1784
1357	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1358		1786
…		…
1361		1789
1362	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1363		1791
1364	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1365	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1366		1799
1367	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1368	cf::cede_to_tick;	1801	cf::cede_to_tick;
1369	}	1802	}
1370		1803
…		…
1402	my ($pl) = @_;	1835	my ($pl) = @_;
1403		1836
1404	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1405		1838
1406	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1407	$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
1408		1841
1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1410	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1411	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1412	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1413		1850
1414	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1415	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1416	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1454		1891
1455	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1456	my $path = path $login;	1893	my $path = path $login;
1457		1894
1458	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1459	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1461	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1462	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1463	}	1901	}
1464		1902
…		…
1468		1906
1469	\@logins	1907	\@logins
1470	}	1908	}
1471		1909
1472	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1473		1913
1474	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1475	player. May block.	1915	player. May block.
1476		1916
1477	=cut	1917	=cut
…		…
1495	}	1935	}
1496		1936
1497	\@paths	1937	\@paths
1498	}	1938	}
1499		1939
1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1501		1941
1502	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1503
1504	=cut
1505
1506	sub expand_cfpod {
1507	((my $self), (local $_)) = @_;
1508
1509	# escape & and <
1510	s/&/&amp;/g;
1511	s/(?<![BIUGHT])</&lt;/g;
1512
1513	# this is buggy, it needs to properly take care of nested <'s
1514
1515	1 while
1516	# replace B<>, I<>, U<> etc.
1517	s/B<([^\>]*)>/<b>$1<\/b>/
1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1521	# replace G<male|female> tags
1522	|| s{G<([^>|]*)\|([^>]*)>}{
1523	$self->gender ? $2 : $1
1524	}ge
1525	# replace H<hint text>
1526	|| s{H<([^\>]*)>}
1527	{
1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1530	"")
1531	[$self->{hintmode}]
1532	}ge;
1533
1534	# create single paragraphs (very hackish)
1535	s/(?<=\S)\n(?=\w)/ /g;
1536
1537	# compress some whitespace
1538	s/\s+\n/\n/g; # ws line-ends
1539	s/\n\n+/\n/g; # double lines
1540	s/^\n+//; # beginning lines
1541	s/\n+$//; # ending lines
1542
1543	$_
1544	}
1545
1546	sub hintmode {
1547	$_[0]{hintmode} = $_[1] if @_ > 1;
1548	$_[0]{hintmode}
1549	}
1550
1551	=item $player->ext_reply ($msgid, @msg)
1552
1553	Sends an ext reply to the player.
1554
1555	=cut
1556
1557	sub ext_reply($$@) {
1558	my ($self, $id, @msg) = @_;
1559
1560	$self->ns->ext_reply ($id, @msg)
1561	}
1562		1943
1563	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1564		1945
1565	Sends an ext event to the client.	1946	Sends an ext event to the client.
1566		1947
…		…
1586		1967
1587	=cut	1968	=cut
1588		1969
1589	sub find_by_path($) {	1970	sub find_by_path($) {
1590	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1591		1974
1592	my ($match, $specificity);	1975	my ($match, $specificity);
1593		1976
1594	for my $region (list) {	1977	for my $region (list) {
1595	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1621	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1622	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1623		2006
1624	sub generate_random_map {	2007	sub generate_random_map {
1625	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1626	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1627	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1631	$rmp->{exit_on_final_map},
1632	$rmp->{xsize}, $rmp->{ysize},
1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1638	(cf::region::find $rmp->{region}), $rmp->{custom}
1639	)
1640	}	2013	}
1641		2014
1642	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1643		2016
1644	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
…		…
1649		2022
1650	sub register {	2023	sub register {
1651	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1652	my $pkg = caller;	2025	my $pkg = caller;
1653		2026
1654	no strict;
1655	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1656		2028
1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1658	}	2030	}
1659		2031
1660	# also paths starting with '/'	2032	# also paths starting with '/'
1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1662		2034
1663	sub thawer_merge {	2035	sub thawer_merge {
1664	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1665		2037
1666	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1671	}	2043	}
1672		2044
1673	sub normalise {	2045	sub normalise {
1674	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1675		2047
1676	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1677		2049
1678	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1679		2051
1680	# map plan:	2052	# map plan:
1681	#	2053	#
…		…
1696	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1697	$path = "$base/$path";	2069	$path = "$base/$path";
1698	}	2070	}
1699		2071
1700	for ($path) {	2072	for ($path) {
1701	redo if s{//}{/};
1702	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1703	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1704	}	2075	}
1705		2076
1706	$path	2077	$path
…		…
1720	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1721	return $self;	2092	return $self;
1722	}	2093	}
1723	}	2094	}
1724		2095
1725	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1726	()	2097	()
1727	}	2098	}
1728		2099
		2100	# may re-bless or do other evil things
1729	sub init {	2101	sub init {
1730	my ($self) = @_;	2102	my ($self) = @_;
1731		2103
1732	$self	2104	$self
1733	}	2105	}
…		…
1752		2124
1753	# the temporary/swap location	2125	# the temporary/swap location
1754	sub save_path {	2126	sub save_path {
1755	my ($self) = @_;	2127	my ($self) = @_;
1756		2128
1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1758	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1759	}	2131	}
1760		2132
1761	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1762	sub uniq_path {	2134	sub uniq_path {
1763	my ($self) = @_;	2135	my ($self) = @_;
1764		2136
1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1766	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1767	}
1768
1769	# and all this just because we cannot iterate over
1770	# all maps in C++...
1771	sub change_all_map_light {
1772	my ($change) = @_;
1773
1774	$_->change_map_light ($change)
1775	for grep $_->outdoor, values %cf::MAP;
1776	}	2139	}
1777		2140
1778	sub decay_objects {	2141	sub decay_objects {
1779	my ($self) = @_;	2142	my ($self) = @_;
1780		2143
…		…
1807	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1808		2171
1809	1	2172	1
1810	}	2173	}
1811		2174
		2175	# used to laod the header of an original map
1812	sub load_header_orig {	2176	sub load_header_orig {
1813	my ($self) = @_;	2177	my ($self) = @_;
1814		2178
1815	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1816	}	2180	}
1817		2181
		2182	# used to laod the header of an instantiated map
1818	sub load_header_temp {	2183	sub load_header_temp {
1819	my ($self) = @_;	2184	my ($self) = @_;
1820		2185
1821	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1822	}	2187	}
1823		2188
		2189	# called after loading the header from an instantiated map
1824	sub prepare_temp {	2190	sub prepare_temp {
1825	my ($self) = @_;	2191	my ($self) = @_;
1826		2192
1827	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1828	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1829	# safety	2195	# safety
1830	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1831	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1832	}	2198	}
1833		2199
		2200	# called after loading the header from an original map
1834	sub prepare_orig {	2201	sub prepare_orig {
1835	my ($self) = @_;	2202	my ($self) = @_;
1836		2203
1837	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1838	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1862		2229
1863	sub find;	2230	sub find;
1864	sub find {	2231	sub find {
1865	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1866		2233
		2234	cf::cede_to_tick;
		2235
1867	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1868		2237
1869	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1870	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1871		2240
1872	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1873	my $guard1 = cf::lock_acquire "map_find:$path";
1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1875
1876	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1877	or return;	2243	or return;
1878		2244
1879	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1880		2246
…		…
1882	or return;	2248	or return;
1883		2249
1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1885	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1886	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1887	undef $guard1;	2254	undef $guard1;
1888	undef $guard2;
1889	$map->reset;	2255	$map->reset;
1890	return find $path;	2256	return find $path;
1891	}	2257	}
1892		2258
1893	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1894	}	2260	}
1895	}	2261	}
1896		2262
1897	sub pre_load { }	2263	sub pre_load { }
1898	sub post_load { }	2264	#sub post_load { } # XS
1899		2265
1900	sub load {	2266	sub load {
1901	my ($self) = @_;	2267	my ($self) = @_;
1902		2268
1903	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1906		2272
1907	{	2273	{
1908	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1909		2275
1910	return unless $self->valid;	2276	return unless $self->valid;
1911	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1912
1913	$self->in_memory (cf::MAP_LOADING);
1914		2278
1915	$self->alloc;	2279	$self->alloc;
1916		2280
1917	$self->pre_load;	2281	$self->pre_load;
1918	cf::cede_to_tick;	2282	cf::cede_to_tick;
1919		2283
		2284	if (exists $self->{load_path}) {
1920	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1921	$f->skip_block;	2286	$f->skip_block;
1922	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1923	or return;	2288	or return;
1924		2289
1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1926	if delete $self->{load_original};	2291	if delete $self->{load_original};
1927		2292
1928	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1929	utf8::encode $uniq;	2294	utf8::encode $uniq;
1930	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1931	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1932	$self->clear_unique_items;	2297	$self->clear_unique_items;
1933	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1934	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1935	}	2301	}
1936	}	2302	}
1937	}
1938		2303
1939	$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);
1940		2311
1941	cf::cede_to_tick;	2312	cf::cede_to_tick;
1942	# now do the right thing for maps	2313	# now do the right thing for maps
1943	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1944	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1948	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1949	$self->decay_objects;	2320	$self->decay_objects;
1950	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1951	$self->update_buttons;	2322	$self->update_buttons;
1952	cf::cede_to_tick;	2323	cf::cede_to_tick;
1953	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1954	cf::cede_to_tick;
1955	$self->activate;
1956	}	2325	}
1957		2326
1958	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1959	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1960
1961	$self->in_memory (cf::MAP_IN_MEMORY);
1962	}	2329	}
1963		2330
1964	$self->post_load;	2331	$self->post_load;
1965	}
1966		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
1967	sub customise_for {	2339	sub customise_for {
1968	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1969		2341
1970	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1971	if $self->per_player;	2343	if $self->per_player;
…		…
1974	# if $self->per_party;	2346	# if $self->per_party;
1975		2347
1976	$self	2348	$self
1977	}	2349	}
1978		2350
1979	# find and load all maps in the 3x3 area around a map
1980	sub load_neighbours {
1981	my ($map) = @_;
1982
1983	my @neigh; # diagonal neighbours
1984
1985	for (0 .. 3) {
1986	my $neigh = $map->tile_path ($_)
1987	or next;
1988	$neigh = find $neigh, $map
1989	or next;
1990	$neigh->load;
1991
1992	push @neigh,
1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1995	}
1996
1997	for (grep defined $_->[0], @neigh) {
1998	my ($path, $origin) = @$_;
1999	my $neigh = find $path, $origin
2000	or next;
2001	$neigh->load;
2002	}
2003	}
2004
2005	sub find_sync {	2351	sub find_sync {
2006	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2007		2353
2008	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
2009	}	2359	}
2010		2360
2011	sub do_load_sync {	2361	sub do_load_sync {
2012	my ($map) = @_;	2362	my ($map) = @_;
2013		2363
		2364	# it's a bug to call this from the main context
2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2015	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2016		2367
2017	cf::sync_job { $map->load };	2368	$map->load;
2018	}	2369	}
2019		2370
2020	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2021	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2022		2373
2023	sub find_async {	2374	sub find_async {
2024	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2025		2376
2026	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2027		2378
2028	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2030	}	2381	}
2031		2382
2032	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2033		2384
2034	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
2035	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2036	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
2037	if (my $map = find $k) {	2390	if (my $map = find $k) {
2038	$map->load if $v;	2391	$map->load if $v;
2039	}	2392	}
…		…
2046	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2047		2400
2048	()	2401	()
2049	}	2402	}
2050		2403
		2404	# common code, used by both ->save and ->swapout
2051	sub save {	2405	sub _save {
2052	my ($self) = @_;	2406	my ($self) = @_;
2053
2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
2055		2407
2056	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2057		2409
2058	return unless $self->dirty;	2410	return unless $self->dirty;
2059		2411
…		…
2065	return if $self->{deny_save};	2417	return if $self->{deny_save};
2066		2418
2067	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2068		2420
2069	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2070	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2071	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2072		2427
2073	if ($uniq) {	2428	if ($uniq) {
2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2076	} else {	2431	} else {
2077	$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);
2078	}	2433	}
2079	}	2434	}
2080		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2081	sub swap_out {	2444	sub swap_out {
2082	my ($self) = @_;	2445	my ($self) = @_;
2083		2446
2084	# save first because save cedes
2085	$self->save;
2086
2087	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2088		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2089	return if $self->players;	2451	return if $self->players;
2090	return if $self->in_memory != cf::MAP_IN_MEMORY;	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
2091	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2092		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
2093	$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};
2094		2503
2095	$self->deactivate;	2504	$self->deactivate;
2096	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2097	$self->clear;	2506	$self->clear;
2098	}
2099
2100	sub reset_at {
2101	my ($self) = @_;
2102
2103	# TODO: safety, remove and allow resettable per-player maps
2104	return 1e99 if $self->{deny_reset};
2105
2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2108
2109	$time + $to
2110	}
2111
2112	sub should_reset {
2113	my ($self) = @_;
2114
2115	$self->reset_at <= $cf::RUNTIME
2116	}
2117
2118	sub reset {
2119	my ($self) = @_;
2120
2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
2122
2123	return if $self->players;
2124
2125	warn "resetting map ", $self->path;
2126
2127	$self->in_memory (cf::MAP_SWAPPED);
2128
2129	# need to save uniques path
2130	unless ($self->{deny_save}) {
2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
2132
2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2134	if $uniq;
2135	}
2136
2137	delete $cf::MAP{$self->path};
2138
2139	$self->deactivate;
2140	$_->clear_links_to ($self) for values %cf::MAP;
2141	$self->clear;
2142		2507
2143	$self->unlink_save;	2508	$self->unlink_save;
2144	$self->destroy;	2509	$self->destroy;
2145	}	2510	}
2146		2511
…		…
2154		2519
2155	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2156		2521
2157	$self->unlink_save;	2522	$self->unlink_save;
2158		2523
2159	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2160	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2161	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2162	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2164		2529
…		…
2213		2578
2214	sub unique_maps() {	2579	sub unique_maps() {
2215	[	2580	[
2216	map {	2581	map {
2217	utf8::decode $_;	2582	utf8::decode $_;
2218	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2219	? normalise $_	2586	: normalise $_
2220	: ()
2221	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2222	]	2588	]
2223	}	2589	}
2224		2590
2225	package cf;	2591	=item cf::map::static_maps
		2592
		2593	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2594	file in the shared directory excluding F</styles> and F</editor>). May
		2595	block.
		2596
		2597	=cut
		2598
		2599	sub static_maps() {
		2600	my @dirs = "";
		2601	my @maps;
		2602
		2603	while (@dirs) {
		2604	my $dir = shift @dirs;
		2605
		2606	next if $dir eq "/styles" || $dir eq "/editor";
		2607
		2608	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2609	or return;
		2610
		2611	for (@$files) {
		2612	s/\.map$// or next;
		2613	utf8::decode $_;
		2614	push @maps, "$dir/$_";
		2615	}
		2616
		2617	push @dirs, map "$dir/$_", @$dirs;
		2618	}
		2619
		2620	\@maps
		2621	}
2226		2622
2227	=back	2623	=back
2228		2624
2229	=head3 cf::object	2625	=head3 cf::object
2230		2626
…		…
2234		2630
2235	=over 4	2631	=over 4
2236		2632
2237	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2238		2634
2239	Returns the inventory of the object _and_ their inventories, recursively.	2635	Returns the inventory of the object I<and> their inventories, recursively,
		2636	but I<not> the object itself.
2240		2637
2241	=cut	2638	=cut
2242		2639
2243	sub inv_recursive_;	2640	sub inv_recursive_;
2244	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2249	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2250	}	2647	}
2251		2648
2252	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2253		2650
2254	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2255		2652
2256	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2257		2654
2258	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,
2259	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2260		2657
2261	=cut	2658	=cut
2262		2659
2263	sub deref {	2660	sub deref {
2264	my ($ref) = @_;	2661	my ($ref) = @_;
2265		2662
2266	# temporary compatibility#TODO#remove
2267	$ref =~ s{^<}{player/<};
2268
2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2270	my ($uuid, $name) = ($1, $2);	2664	my ($uuid, $name) = ($1, $2);
2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2272	or return;	2666	or return;
2273	$pl->ob->uuid eq $uuid	2667	$pl->ob->uuid eq $uuid
2274	or return;	2668	or return;
…		…
2294	can be C<undef>. Does the right thing when the player is currently in a	2688	can be C<undef>. Does the right thing when the player is currently in a
2295	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2296		2690
2297	=cut	2691	=cut
2298		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2299	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2300	# with dialog boxes.	2708	# with dialog boxes.
2301	#TODO: the first argument must go, split into a $npc->reply_to ( method	2709	#TODO: the first argument must go, split into a $npc->reply_to ( method
2302	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2303	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2314	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2316		2724
2317	} else {	2725	} else {
2318	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2319	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2320	}	2728	}
2321	}	2729	}
2322	}	2730	}
2323		2731
2324	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2334	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2335		2743
2336	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2337	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2338		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2339	=cut	2772	=cut
2340		2773
2341	sub cf::object::player::may {	2774	sub cf::object::player::may {
2342	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2343		2776
2344	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2345	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2346	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2347	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2348	}	2781	}
2349		2782
2350	=item $player_object->enter_link	2783	=item $player_object->enter_link
2351		2784
2352	Freezes the player and moves him/her to a special map (C<{link}>).	2785	Freezes the player and moves him/her to a special map (C<{link}>).
2353		2786
2354	The player should be reasonably safe there for short amounts of time. You	2787	The player should be reasonably safe there for short amounts of time (e.g.
2355	I<MUST> call C<leave_link> as soon as possible, though.	2788	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2789	though, as the player cannot control the character while it is on the link
		2790	map.
2356		2791
2357	Will never block.	2792	This method will never block, which is the whole reaosn for it's
		2793	existance: you can I<always> put a player onto the link map, which is the
		2794	only place to put objects that is guaranteed to exist.
		2795
		2796	A typical usage pattern is to call C<enter_link> synchronously from the
		2797	server, then start a new thread, do your blocking stuff there and then
		2798	call C<leave_link> from that thread.
2358		2799
2359	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2360		2801
2361	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2362	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2380	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2381	my ($self) = @_;	2822	my ($self) = @_;
2382		2823
2383	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2384		2825
		2826	++$self->{_link_recursion};
		2827
2385	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2386		2829
2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2388	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2389		2832
2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2391	}	2834	}
2392		2835
2393	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2394	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2395		2838
…		…
2412	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2413	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2414		2857
2415	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2416	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2417	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2418		2861
2419	$map->load;	2862	$map->load;
2420	$map->load_neighbours;
2421		2863
2422	return unless $self->contr->active;	2864	return unless $self->contr->active;
2423	$self->activate_recursive;
2424		2865
2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2426	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2427	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2428		2873
		2874	}
		2875
2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2876	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2430		2877
2431	Moves the player to the given map-path and coordinates by first freezing	2878	Moves the player to the given map-path and coordinates by first freezing
2432	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2433	that has to return the map if sucecssful, and then unfreezes the player on	2880	that has to return the map if sucecssful, and then unfreezes the player on
2434	the new (success) or old (failed) map position. In either case, $done will	2881	the new (success) or old (failed) map position. In either case, $done will
2435	be called at the end of this process.	2882	be called at the end of this process.
2436		2883
		2884	Note that $check will be called with a potentially non-loaded map, so if
		2885	it needs a loaded map it has to call C<< ->load >>.
		2886
2437	=cut	2887	=cut
2438		2888
2439	our $GOTOGEN;	2889	our $GOTOGEN;
2440		2890
2441	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2442	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2443		2893
		2894	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2895	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2896	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2897	($path, $x, $y) = @$EMERGENCY_POSITION;
		2898	}
		2899
2444	# do generation counting so two concurrent goto's will be executed in-order	2900	# do generation counting so two concurrent goto's will be executed in-order
2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2446		2902
2447	$self->enter_link;	2903	$self->enter_link;
2448		2904
2449	(async {	2905	(async {
		2906	$Coro::current->{desc} = "player::goto $path $x $y";
		2907
		2908	# *tag paths override both path and x|y
		2909	if ($path =~ /^\*(.*)$/) {
		2910	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2911	my $ob = $obs[rand @obs];
		2912
		2913	# see if we actually can go there
		2914	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2915	$ob = $obs[rand @obs];
		2916	} else {
		2917	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2918	}
		2919	# else put us there anyways for now #d#
		2920
		2921	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2922	} else {
		2923	($path, $x, $y) = (undef, undef, undef);
		2924	}
		2925	}
		2926
2450	my $map = eval {	2927	my $map = eval {
2451	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2452		2929
2453	if ($map) {	2930	if ($map) {
2454	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2455	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2456	} else {	2933	} else {
2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2458	}	2935	}
2459		2936
2460	$map	2937	$map
2461	};	2938	};
2462		2939
…		…
2468	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2469	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2470	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2471	}	2948	}
2472		2949
2473	$done->() if $done;	2950	$done->($self) if $done;
2474	})->prio (1);	2951	})->prio (1);
2475	}	2952	}
2476		2953
2477	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2478		2955
…		…
2498	}	2975	}
2499		2976
2500	sub prepare_random_map {	2977	sub prepare_random_map {
2501	my ($exit) = @_;	2978	my ($exit) = @_;
2502		2979
2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
2504
2505	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2506	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2507	# that depends on the exit object	2982	# that depends on the exit object
2508		2983
2509	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2511	if ($exit->map) {	2986	if ($exit->map) {
2512	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2513	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2514	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2515	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2516	}	2993	}
2517		2994
2518	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2519		2996
2520	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2521	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2522	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2523		3000
2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2525	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2526	undef $fh;	3003	undef $fh;
2527	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2528		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2529	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2530	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2531	}	3012	}
2532	}	3013	}
2533		3014
2534	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2535	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2536		3017
2537	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2538		3019
2539	if ($exit->slaying eq "/!") {
2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
2541	# the problem is that $exit might not survive long enough
2542	# so it needs to be done right now, right here
2543	cf::sync_job { prepare_random_map $exit };
2544	}
2545
2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2547	my $hp = $exit->stats->hp;
2548	my $sp = $exit->stats->sp;
2549
2550	$self->enter_link;	3020	$self->enter_link;
2551		3021
2552	# if exit is damned, update players death & WoR home-position
2553	$self->contr->savebed ($slaying, $hp, $sp)
2554	if $exit->flag (FLAG_DAMNED);
2555
2556	(async {	3022	(async {
2557	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2558	unless (eval {	3025	unless (eval {
		3026	$self->deactivate_recursive; # just to be sure
		3027
		3028	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3029	my $x = $exit->stats->hp;
		3030	my $y = $exit->stats->sp;
		3031
		3032	# special map handling
		3033	my $slaying = $exit->slaying;
		3034
		3035	# special map handling
		3036	if ($slaying eq "/!") {
		3037	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3038
		3039	prepare_random_map $exit
		3040	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3041
		3042	$map = $exit->slaying;
		3043
		3044	} elsif ($slaying eq '!up') {
		3045	$map = $exit->map->tile_path (cf::TILE_UP);
		3046	$x = $exit->x;
		3047	$y = $exit->y;
		3048
		3049	} elsif ($slaying eq '!down') {
		3050	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3051	$x = $exit->x;
		3052	$y = $exit->y;
		3053	}
		3054
2559	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2560		3056
		3057	# if exit is damned, update players death & WoR home-position
		3058	$self->contr->savebed ($map, $x, $y)
		3059	if $exit->flag (cf::FLAG_DAMNED);
		3060
2561	1;	3061	1
2562	}) {	3062	}) {
2563	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2564	. "I'll try to bring you back to the map you were before. "	3064	. "I'll try to bring you back to the map you were before. "
2565	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2566	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2567		3067
2568	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2569	$self->leave_link;	3069	$self->leave_link;
2570	}	3070	}
2571	})->prio (1);	3071	})->prio (1);
2572	}	3072	}
2573		3073
2574	=head3 cf::client	3074	=head3 cf::client
2575		3075
2576	=over 4	3076	=over 4
2577		3077
2578	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2579		3079
2580	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2581	should not be used under normal circumstances.	3081	them as required.
2582		3082
2583	=cut	3083	=cut
2584		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2585	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2586	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2587		3089
2588	utf8::encode $text;	3090	# try lzf for large packets
2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3091	$pkt = "lzf " . Compress::LZF::compress $pkt
		3092	if 1024 <= length $pkt and $self->{can_lzf};
		3093
		3094	# split very large packets
		3095	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3096	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3097	$pkt = "frag";
		3098	}
		3099
		3100	$self->send_packet ($pkt);
2590	}	3101	}
2591		3102
2592	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2593		3104
2594	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2595	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2596	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2597	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2598		3109
2599	=cut	3110	=cut
2600		3111
		3112	# non-persistent channels (usually the info channel)
2601	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2602	"c/identify" => {	3120	"c/identify" => {
2603	id => "identify",	3121	id => "infobox",
2604	title => "Identify",	3122	title => "Identify",
2605	reply => undef,	3123	reply => undef,
2606	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
2607	},	3125	},
2608	"c/examine" => {	3126	"c/examine" => {
2609	id => "examine",	3127	id => "infobox",
2610	title => "Examine",	3128	title => "Examine",
2611	reply => undef,	3129	reply => undef,
2612	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
2613	},	3131	},
		3132	"c/shopinfo" => {
		3133	id => "infobox",
		3134	title => "Shop Info",
		3135	reply => undef,
		3136	tooltip => "What your bargaining skill tells you about the shop",
		3137	},
		3138	"c/book" => {
		3139	id => "infobox",
		3140	title => "Book",
		3141	reply => undef,
		3142	tooltip => "The contents of a note or book",
		3143	},
		3144	"c/lookat" => {
		3145	id => "infobox",
		3146	title => "Look",
		3147	reply => undef,
		3148	tooltip => "What you saw there",
		3149	},
		3150	"c/who" => {
		3151	id => "infobox",
		3152	title => "Players",
		3153	reply => undef,
		3154	tooltip => "Shows players who are currently online",
		3155	},
		3156	"c/body" => {
		3157	id => "infobox",
		3158	title => "Body Parts",
		3159	reply => undef,
		3160	tooltip => "Shows which body parts you posess and are available",
		3161	},
		3162	"c/statistics" => {
		3163	id => "infobox",
		3164	title => "Statistics",
		3165	reply => undef,
		3166	tooltip => "Shows your primary statistics",
		3167	},
		3168	"c/skills" => {
		3169	id => "infobox",
		3170	title => "Skills",
		3171	reply => undef,
		3172	tooltip => "Shows your experience per skill and item power",
		3173	},
		3174	"c/shopitems" => {
		3175	id => "infobox",
		3176	title => "Shop Items",
		3177	reply => undef,
		3178	tooltip => "Shows the items currently for sale in this shop",
		3179	},
		3180	"c/resistances" => {
		3181	id => "infobox",
		3182	title => "Resistances",
		3183	reply => undef,
		3184	tooltip => "Shows your resistances",
		3185	},
		3186	"c/pets" => {
		3187	id => "infobox",
		3188	title => "Pets",
		3189	reply => undef,
		3190	tooltip => "Shows information abotu your pets/a specific pet",
		3191	},
		3192	"c/perceiveself" => {
		3193	id => "infobox",
		3194	title => "Perceive Self",
		3195	reply => undef,
		3196	tooltip => "You gained detailed knowledge about yourself",
		3197	},
		3198	"c/uptime" => {
		3199	id => "infobox",
		3200	title => "Uptime",
		3201	reply => undef,
		3202	tooltip => "How long the server has been running since last restart",
		3203	},
		3204	"c/mapinfo" => {
		3205	id => "infobox",
		3206	title => "Map Info",
		3207	reply => undef,
		3208	tooltip => "Information related to the maps",
		3209	},
		3210	"c/party" => {
		3211	id => "party",
		3212	title => "Party",
		3213	reply => "gsay ",
		3214	tooltip => "Messages and chat related to your party",
		3215	},
		3216	"c/death" => {
		3217	id => "death",
		3218	title => "Death",
		3219	reply => undef,
		3220	tooltip => "Reason for and more info about your most recent death",
		3221	},
		3222	"c/fatal" => {
		3223	id => "fatal",
		3224	title => "Fatal Error",
		3225	reply => undef,
		3226	tooltip => "Reason for the server disconnect",
		3227	},
		3228	"c/say" => $SAY_CHANNEL,
		3229	"c/chat" => $CHAT_CHANNEL,
2614	);	3230	);
2615		3231
2616	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2617	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2618		3234
2619	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2620		3237
2621	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2622		3239
2623	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
2625		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
2626	if (ref $channel) {	3247	} elsif (ref $channel) {
2627	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2628	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2629	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2630	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2631	if $self->can_msg;
2632	}	3252	}
2633		3253
2634	$channel = $channel->{id};	3254	$channel = $channel->{id};
2635	}	3255	}
2636		3256
2637	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2638		3258
2639	if ($self->can_msg) {
2640	# default colour, mask it out	3259	# default colour, mask it out
2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2642	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2643		3262
2644	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2646	} else {	3266	);
2647	if ($color >= 0) {
2648	# replace some tags by gcfclient-compatible ones
2649	for ($msg) {
2650	1 while
2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2656	}
2657		3267
2658	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2659
2660	utf8::encode $msg;
2661
2662	if (0 && $msg =~ /\[/) {
2663	# COMMAND/INFO
2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
2665	} else {
2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2667	$self->send_packet ("drawinfo $color $msg")
2668	}
2669	}
2670	}
2671	}	3269	}
2672		3270
2673	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2674		3272
2675	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2677	=cut	3275	=cut
2678		3276
2679	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2680	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2681		3279
2682	if ($self->extcmd == 2) {
2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2684	} elsif ($self->extcmd == 1) { # TODO: remove
2685	push @msg, msgtype => "event_$type";
2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2687	}
2688	}
2689
2690	=item $client->ext_reply ($msgid, @msg)
2691
2692	Sends an ext reply to the client.
2693
2694	=cut
2695
2696	sub cf::client::ext_reply($$@) {
2697	my ($self, $id, @msg) = @_;
2698
2699	if ($self->extcmd == 2) {
2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2701	} elsif ($self->extcmd == 1) {
2702	#TODO: version 1, remove
2703	unshift @msg, msgtype => "reply", msgid => $id;
2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2705	}
2706	}	3281	}
2707		3282
2708	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2709		3284
2710	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2730		3305
2731	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2732	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2733		3308
2734	1	3309	1
		3310	}
		3311
		3312	=item $client->update_command_faces
		3313
		3314	=cut
		3315
		3316	our %COMMAND_FACE;
		3317
		3318	sub cf::client::update_command_faces {
		3319	my ($self) = @_;
		3320
		3321	my @faces = grep $_,
		3322	$COMMAND_FACE{preferred},
		3323	$COMMAND_FACE{standard},
		3324	$COMMAND_FACE{skill},
		3325	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3326	$COMMAND_FACE{emote},
		3327	;
		3328
		3329	$self->send_face ($_)
		3330	for @faces;
		3331	$self->flush_fx;
		3332
		3333	$self->ext_msg (command_list => @faces);
		3334	}
		3335
		3336	=item cf::client::set_command_face $type, $commands
		3337
		3338	=cut
		3339
		3340	sub cf::client::set_command_face {
		3341	my ($type, $list) = @_;
		3342
		3343	my $idx = &cf::face::set ( #d# ugly forward reference
		3344	"command_list/$type" => cf::FT_RSRC,
		3345	JSON::XS->new->utf8->encode ([ sort @$list ])
		3346	);
		3347
		3348	$COMMAND_FACE{$type} = $idx;
2735	}	3349	}
2736		3350
2737	cf::client->attach (	3351	cf::client->attach (
2738	on_connect => sub {	3352	on_connect => sub {
2739	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2765	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2766		3380
2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2768		3382
2769	if (ref $msg) {	3383	if (ref $msg) {
2770	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2771	"ARRAY" eq ref $msg
2772	? @$msg
2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2774		3385
2775	my @reply;
2776
2777	if (my $cb = $EXTICMD{$type}) {	3386	if (my $cb = $EXTIACMD{$type}) {
		3387	$cb->(
		3388	$ns,
		3389	sub {
		3390	$ns->ext_msg ("reply-$reply", @_)
		3391	if $reply;
		3392	},
		3393	@payload
		3394	);
		3395	} else {
		3396	my @reply;
		3397
		3398	if (my $cb = $EXTICMD{$type}) {
2778	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2779	}	3404	}
2780
2781	$ns->ext_reply ($reply, @reply)
2782	if $reply;
2783
2784	} else {	3405	} else {
2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3406	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2786	}	3407	}
2787		3408
2788	cf::override;	3409	cf::override;
2789	},	3410	},
2790	);	3411	);
…		…
2810		3431
2811	$coro	3432	$coro
2812	}	3433	}
2813		3434
2814	cf::client->attach (	3435	cf::client->attach (
2815	on_destroy => sub {	3436	on_client_destroy => sub {
2816	my ($ns) = @_;	3437	my ($ns) = @_;
2817		3438
2818	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2819	},	3440	},
2820	);	3441	);
…		…
2836	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2837		3458
2838	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2839		3460
2840	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
2841	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
2842	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
2843	sort time	3464	sort time
2844	));	3465	));
2845		3466
2846	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
2848	=pod	3469	=pod
2849		3470
2850	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2851		3472
2852	cf::object	3473	cf::object
2853	contr pay_amount pay_player map x y force_find force_add	3474	contr pay_amount pay_player map x y force_find force_add destroy
2854	insert remove name archname title slaying race decrease_ob_nr	3475	insert remove name archname title slaying race decrease split
		3476	value
2855		3477
2856	cf::object::player	3478	cf::object::player
2857	player	3479	player
2858		3480
2859	cf::player	3481	cf::player
…		…
2864		3486
2865	=cut	3487	=cut
2866		3488
2867	for (	3489	for (
2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3490	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2869	insert remove inv name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
2870	decrease_ob_nr)],	3492	decrease split destroy change_exp value msg lore send_msg)],
2871	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2872	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2873	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2874	) {	3496	) {
2875	no strict 'refs';
2876	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2877	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2878	for @funs;	3499	for @funs;
2879	}	3500	}
2880		3501
…		…
2895		3516
2896	my $qcode = $code;	3517	my $qcode = $code;
2897	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2898	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2899		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2900	local $_;	3524	local $_;
2901	local @safe::cf::_safe_eval_args = values %vars;
2902		3525
2903	my $eval =	3526	my $eval =
2904	"do {\n"	3527	"do {\n"
2905	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2906	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2907	. $code	3530	. $code
2908	. "\n}"	3531	. "\n}"
2909	;	3532	;
2910		3533
		3534	if ($CFG{safe_eval}) {
2911	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2912	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2913	sub_generation_inc;	3538	sub_generation_inc;
		3539	} else {
		3540	local @cf::_safe_eval_args = values %vars;
		3541	@res = wantarray ? eval eval : scalar eval $eval;
		3542	}
2914		3543
2915	if ($@) {	3544	if ($@) {
2916	warn "$@";	3545	warn "$@",
2917	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2918	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2919	}	3548	}
2920		3549
2921	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2922	}	3551	}
2923		3552
…		…
2937	=cut	3566	=cut
2938		3567
2939	sub register_script_function {	3568	sub register_script_function {
2940	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2941		3570
2942	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2943	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2944	}	3573	}
2945		3574
2946	=back	3575	=back
2947		3576
2948	=cut	3577	=cut
2949		3578
2950	#############################################################################	3579	#############################################################################
2951	# the server's init and main functions	3580	# the server's init and main functions
2952		3581
		3582	{
		3583	package cf::face;
		3584
		3585	our %HASH; # hash => idx
		3586	our @DATA; # dynamically-created facedata, only faceste 0 used
		3587	our @FOFS; # file offset, if > 0
		3588	our @SIZE; # size of face, in octets
		3589	our @META; # meta hash of face, if any
		3590	our $DATAFH; # facedata filehandle
		3591
		3592	# internal api, not finalised
		3593	sub set {
		3594	my ($name, $type, $data) = @_;
		3595
		3596	my $idx = cf::face::find $name;
		3597
		3598	if ($idx) {
		3599	delete $HASH{cf::face::get_csum $idx};
		3600	} else {
		3601	$idx = cf::face::alloc $name;
		3602	}
		3603
		3604	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3605
		3606	cf::face::set_type $idx, $type;
		3607	cf::face::set_csum $idx, 0, $hash;
		3608
		3609	# we need to destroy the SV itself, not just modify it, as a running ix
		3610	# might hold a reference to it: "delete" achieves that.
		3611	delete $FOFS[0][$idx];
		3612	delete $DATA[0][$idx];
		3613	$DATA[0][$idx] = $data;
		3614	$SIZE[0][$idx] = length $data;
		3615	delete $META[$idx];
		3616	$HASH{$hash} = $idx;#d#
		3617
		3618	$idx
		3619	}
		3620
		3621	sub _get_data($$$) {
		3622	my ($idx, $set, $cb) = @_;
		3623
		3624	if (defined $DATA[$set][$idx]) {
		3625	$cb->($DATA[$set][$idx]);
		3626	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3627	my $size = $SIZE[$set][$idx];
		3628	my $buf;
		3629	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3630	if ($_[0] == $size) {
		3631	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3632	$cb->($buf);
		3633	} else {
		3634	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3635	}
		3636	};
		3637	} else {
		3638	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3639	}
		3640	}
		3641
		3642	# rather ineffient
		3643	sub cf::face::get_data($;$) {
		3644	my ($idx, $set) = @_;
		3645
		3646	_get_data $idx, $set, Coro::rouse_cb;
		3647	Coro::rouse_wait
		3648	}
		3649
		3650	sub cf::face::ix {
		3651	my ($ns, $set, $idx, $pri) = @_;
		3652
		3653	_get_data $idx, $set, sub {
		3654	$ns->ix_send ($idx, $pri, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2953	sub load_facedata($) {	3659	sub load_facedata($) {
2954	my ($path) = @_;	3660	my ($path) = @_;
2955		3661
2956	# HACK to clear player env face cache, we need some signal framework
2957	# for this (global event?)
2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2959
2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2961		3663
2962	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2963		3665
2964	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2965	0 < aio_load $path, $facedata
2966	or die "$path: $!";
2967
2968	$facedata = Coro::Storable::thaw $facedata;
2969		3667
2970	$facedata->{version} == 2	3668	$facedata->{version} == 2
2971	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2972		3670
2973	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2974	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2975	type => FT_RSRC,	3673
2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3674	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2977	};	3675
2978	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2979		3679
2980	{	3680	{
2981	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2982		3682
2983	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2985	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2986	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3689	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3690	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2989		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2990	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2991	}	3694	}
2992		3695
2993	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2994	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2995	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2996	or next;	3700	or next;
		3701
2997	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2998	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3000	} else {	3705	} else {
3001	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3002	}	3707	}
3003
3004	cf::cede_to_tick;
3005	}	3708	}
3006	}	3709	}
3007		3710
3008	{	3711	{
3009	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3010		3713
3011	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3012	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3013	cf::cede_to_tick;
3014	}	3716	}
3015		3717
3016	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3017	}	3719	}
3018		3720
3019	{	3721	{
3020	# TODO: for gcfclient pleasure, we should give resources
3021	# that gcfclient doesn't grok a >10000 face index.
3022	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3023		3723
3024	my $soundconf = delete $res->{"res/sound.conf"};
3025
3026	while (my ($name, $info) = each %$res) {	3724	while (my ($name, $info) = each %$res) {
		3725	if (defined (my $type = $info->{type})) {
		3726	# TODO: different hash - must free and use new index, or cache ixface data queue
3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3028	my $data;
3029		3728
3030	if ($info->{type} & 1) {	3729	cf::face::set_type $idx, $type;
3031	# prepend meta info	3730	cf::face::set_csum $idx, 0, $info->{hash};
3032		3731	$cf::face::SIZE[0][$idx] = $info->{size};
3033	my $meta = $enc->encode ({	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
3034	name => $name,	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3035	%{ $info->{meta} || {} },	3734	$cf::face::HASH{$info->{hash}} = $idx;
3036	});
3037
3038	$data = pack "(w/a*)*", $meta, $info->{data};
3039	} else {	3735	} else {
3040	$data = $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
3041	}	3737	}
3042
3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3044	cf::face::set_type $idx, $info->{type};
3045
3046	cf::cede_to_tick;
3047	}
3048
3049	if ($soundconf) {
3050	$soundconf = $enc->decode (delete $soundconf->{data});
3051
3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3053	my $sound = $soundconf->{compat}[$_]
3054	or next;
3055
3056	my $face = cf::face::find "sound/$sound->[1]";
3057	cf::sound::set $sound->[0] => $face;
3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3059	}	3738	}
3060
3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
3062	my $face = cf::face::find "sound/$v";
3063	cf::sound::set $k => $face;
3064	}
3065	}
3066	}	3739	}
		3740
		3741	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3742
		3743	# HACK to clear player env face cache, we need some signal framework
		3744	# for this (global event?)
		3745	%ext::player_env::MUSIC_FACE_CACHE = ();
		3746
		3747	# END ATOMIC
		3748
		3749	cf::debug "facedata atomic update time ", EV::time - $t1;
		3750
		3751	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3752
		3753	aio_close $fh if $fh; # close old facedata
3067		3754
3068	1	3755	1
3069	}	3756	}
3070		3757
3071	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
…		…
3073		3760
3074	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
3075	$ns->fx_want ($k, $v);	3762	$ns->fx_want ($k, $v);
3076	}	3763	}
3077	};	3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
3078		3789
3079	sub reload_regions {	3790	sub reload_regions {
3080	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3081	# for this (global event?)	3792	# for this (global event?)
3082	%ext::player_env::MUSIC_FACE_CACHE = ();	3793	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3089	if exists $_->{match};	3800	if exists $_->{match};
3090	}	3801	}
3091	}	3802	}
3092		3803
3093	sub reload_facedata {	3804	sub reload_facedata {
3094	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3095	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3096	}	3807	}
3097		3808
3098	sub reload_archetypes {	3809	sub reload_archetypes {
3099	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3100	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
3101	#d# NEED to laod twice to resolve forward references	3812
3102	# this really needs to be done in an extra post-pass	3813	cf::face::set
3103	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
3104	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
3105	or die "unable to load archetypes\n";	3816	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3817	);
		3818
		3819	cf::face::set
		3820	"res/spell_paths" => FT_RSRC,
		3821	JSON::XS->new->utf8->canonical->encode (
		3822	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3823	);
		3824
		3825	# command completion
		3826	my @commands;
		3827
		3828	for (0..cf::arch::skillvec_size - 1) {
		3829	my $skill = cf::arch::skillvec $_;
		3830	my $name = $skill->name;
		3831	my $flags = cf::skill_flags $skill->subtype;
		3832
		3833	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3834	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3106	}	3838	}
3107		3839
3108	sub reload_treasures {	3840	sub reload_treasures {
3109	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3110	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3111	}	3843	}
3112		3844
		3845	sub reload_sound {
		3846	trace "loading sound config from $DATADIR/sound\n";
		3847
		3848	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3849
		3850	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3851	my $sound = $soundconf->{compat}[$_]
		3852	or next;
		3853
		3854	my $face = cf::face::find "sound/$sound->[1]";
		3855	cf::sound::set $sound->[0] => $face;
		3856	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3857	}
		3858
		3859	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3860	my $face = cf::face::find "sound/$v";
		3861	cf::sound::set $k => $face;
		3862	}
		3863	}
		3864
3113	sub reload_resources {	3865	sub reload_resources {
3114	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3115		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
3116	reload_regions;	3873	reload_regions;
3117	reload_facedata;
3118	#reload_archetypes;#d#
3119	reload_archetypes;
3120	reload_treasures;	3874	reload_treasures;
3121		3875
3122	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3123	}
3124
3125	sub init {
3126	reload_resources;
3127	}	3877	}
3128		3878
3129	sub reload_config {	3879	sub reload_config {
3130	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3131	or return;
3132		3881
3133	local $/;	3882	my $config = load_file "$CONFDIR/config";
3134	*CFG = YAML::Syck::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3135		3885
3136	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3137		3887
3138	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3888	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3139	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3889	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3140		3890
3141	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3145	};	3895	};
3146	warn $@ if $@;	3896	warn $@ if $@;
3147	}	3897	}
3148	}	3898	}
3149		3899
		3900	sub pidfile() {
		3901	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3902	or die "$PIDFILE: $!";
		3903	flock $fh, &Fcntl::LOCK_EX
		3904	or die "$PIDFILE: flock: $!";
		3905	$fh
		3906	}
		3907
		3908	# make sure only one server instance is running at any one time
		3909	sub atomic {
		3910	my $fh = pidfile;
		3911
		3912	my $pid = <$fh>;
		3913	kill 9, $pid if $pid > 0;
		3914
		3915	seek $fh, 0, 0;
		3916	print $fh $$;
		3917	}
		3918
		3919	sub main_loop {
		3920	trace "EV::run starting\n";
		3921	if (1) {
		3922	EV::run;
		3923	}
		3924	trace "EV::run returned\n";
		3925	goto &main_loop unless $REALLY_UNLOOP;
		3926	}
		3927
3150	sub main {	3928	sub main {
		3929	cf::init_globals; # initialise logging
		3930
		3931	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3932	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3933	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3934	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3935
		3936	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3937
3151	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3152	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3940	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3154	(async {	3941	(async {
3155	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONESHOT;
3156	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3157	};	3945	};
3158		3946
		3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3159	reload_config;	3961	reload_config;
3160	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3161	load_extensions;	3971	load_extensions;
3162		3972
3163	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
3164	Event::loop;	3974
		3975	# no (long-running) fork's whatsoever before this point(!)
		3976	use POSIX ();
		3977	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3978
		3979	cf::_post_init 0;
		3980	};
		3981
		3982	cf::object::thawer::errors_are_fatal 0;
		3983	info "parse errors in files are no longer fatal from this point on.\n";
		3984
		3985	AE::postpone {
		3986	undef &main; # free gobs of memory :)
		3987	};
		3988
		3989	goto &main_loop;
3165	}	3990	}
3166		3991
3167	#############################################################################	3992	#############################################################################
3168	# initialisation and cleanup	3993	# initialisation and cleanup
3169		3994
3170	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3171	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
3172	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3173	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3174	reentrant => 0,
3175	data => WF_AUTOCANCEL,
3176	signal => $signal,
3177	prio => 0,
3178	cb => sub {
3179	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3180	},
3181	);	4001	};
3182	}	4002	}
3183	}	4003	}
3184		4004
3185	sub write_runtime {	4005	sub write_runtime_sync {
3186	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3187		4007
3188	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3189	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3190		4010
3191	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3192		4012
3193	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3194		4014
3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3196	or return;	4016	or return;
3197		4017
3198	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3199	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3200	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3210	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3211		4031
3212	close $fh	4032	close $fh
3213	or return;	4033	or return;
3214		4034
3215	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3216	and return;	4036	and return;
3217		4037
3218	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3219		4039
3220	1	4040	1
		4041	}
		4042
		4043	our $uuid_lock;
		4044	our $uuid_skip;
		4045
		4046	sub write_uuid_sync($) {
		4047	$uuid_skip ||= $_[0];
		4048
		4049	return if $uuid_lock;
		4050	local $uuid_lock = 1;
		4051
		4052	my $uuid = "$LOCALDIR/uuid";
		4053
		4054	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4055	or return;
		4056
		4057	my $value = uuid_seq uuid_cur;
		4058
		4059	unless ($value) {
		4060	info "cowardly refusing to write zero uuid value!\n";
		4061	return;
		4062	}
		4063
		4064	my $value = uuid_str $value + $uuid_skip;
		4065	$uuid_skip = 0;
		4066
		4067	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4068	and return;
		4069
		4070	# always fsync - this file is important
		4071	aio_fsync $fh
		4072	and return;
		4073
		4074	close $fh
		4075	or return;
		4076
		4077	aio_rename "$uuid~", $uuid
		4078	and return;
		4079
		4080	trace "uuid file written ($value).\n";
		4081
		4082	1
		4083
		4084	}
		4085
		4086	sub write_uuid($$) {
		4087	my ($skip, $sync) = @_;
		4088
		4089	$sync ? write_uuid_sync $skip
		4090	: async { write_uuid_sync $skip };
3221	}	4091	}
3222		4092
3223	sub emergency_save() {	4093	sub emergency_save() {
3224	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3225		4095
3226	warn "enter emergency perl save\n";	4096	info "emergency_perl_save: enter\n";
		4097
		4098	# this is a trade-off: we want to be very quick here, so
		4099	# save all maps without fsync, and later call a global sync
		4100	# (which in turn might be very very slow)
		4101	local $USE_FSYNC = 0;
3227		4102
3228	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3229	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3230	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3231	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3232	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3233	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3234	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3235	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3236	$pl->save;	4114	$pl->save;
3237	}	4115	}
3238	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3239		4117
3240	warn "begin emergency map save\n";	4118	cf::write_runtime_sync; # external watchdog should not bark
		4119
		4120	info "emergency_perl_save: begin map save\n";
3241	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3242	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3243	$map->valid or next;	4123	$map->valid or next;
3244	$map->save;	4124	$map->save;
3245	}	4125	}
3246	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3247		4127
3248	warn "begin emergency database checkpoint\n";	4128	cf::write_runtime_sync; # external watchdog should not bark
		4129
		4130	info "emergency_perl_save: begin database checkpoint\n";
3249	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3250	warn "end emergency database checkpoint\n";	4132	info "emergency_perl_save: end database checkpoint\n";
		4133
		4134	info "emergency_perl_save: begin write uuid\n";
		4135	write_uuid_sync 1;
		4136	info "emergency_perl_save: end write uuid\n";
		4137
		4138	cf::write_runtime_sync; # external watchdog should not bark
		4139
		4140	trace "emergency_perl_save: syncing database to disk";
		4141	BDB::db_env_txn_checkpoint $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3251	};	4156	};
3252		4157
3253	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3254	}	4159	}
3255		4160
3256	sub post_cleanup {	4161	sub post_cleanup {
3257	my ($make_core) = @_;	4162	my ($make_core) = @_;
3258		4163
		4164	IO::AIO::flush;
		4165
3259	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3260	if $make_core;	4167	if $make_core;
		4168
		4169	my $fh = pidfile;
		4170	unlink $PIDFILE if <$fh> == $$;
		4171	}
		4172
		4173	# a safer delete_package, copied from Symbol
		4174	sub clear_package($) {
		4175	my $pkg = shift;
		4176
		4177	# expand to full symbol table name if needed
		4178	unless ($pkg =~ /^main::.*::$/) {
		4179	$pkg = "main$pkg" if $pkg =~ /^::/;
		4180	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4181	$pkg .= '::' unless $pkg =~ /::$/;
		4182	}
		4183
		4184	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4185	my $stem_symtab = *{$stem}{HASH};
		4186
		4187	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4188	or return;
		4189
		4190	# clear all symbols
		4191	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4192	for my $name (keys %$leaf_symtab) {
		4193	_gv_clear *{"$pkg$name"};
		4194	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4195	}
3261	}	4196	}
3262		4197
3263	sub do_reload_perl() {	4198	sub do_reload_perl() {
3264	# can/must only be called in main	4199	# can/must only be called in main
3265	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3266	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3267	return;	4202	return;
3268	}	4203	}
3269		4204
3270	warn "reloading...";	4205	return if $RELOAD++;
3271		4206
3272	warn "entering sync_job";	4207	my $t1 = AE::time;
3273		4208
		4209	while ($RELOAD) {
		4210	cf::get_slot 0.1, -1, "reload_perl";
		4211	info "perl_reload: reloading...";
		4212
		4213	trace "perl_reload: entering sync_job";
		4214
3274	cf::sync_job {	4215	cf::sync_job {
3275	cf::write_runtime; # external watchdog should not bark
3276	cf::emergency_save;	4216	#cf::emergency_save;
3277	cf::write_runtime; # external watchdog should not bark
3278		4217
3279	warn "syncing database to disk";
3280	BDB::db_env_txn_checkpoint $DB_ENV;
3281
3282	# if anything goes wrong in here, we should simply crash as we already saved
3283
3284	warn "cancelling all WF_AUTOCANCEL watchers";
3285	for (Event::all_watchers) {
3286	$_->cancel if $_->data & WF_AUTOCANCEL;
3287	}
3288
3289	warn "flushing outstanding aio requests";
3290	for (;;) {
3291	BDB::flush;
3292	IO::AIO::flush;
3293	Coro::cede;
3294	last unless IO::AIO::nreqs || BDB::nreqs;
3295	warn "iterate...";
3296	}
3297
3298	++$RELOAD;
3299
3300	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3301	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3302	%EXT_CORO = ();	4220	%EXT_CORO = ();
3303		4221
3304	warn "removing commands";	4222	trace "perl_reload: removing commands";
3305	%COMMAND = ();	4223	%COMMAND = ();
3306		4224
3307	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3308	%EXTCMD = ();	4226	%EXTCMD = ();
3309	%EXTICMD = ();	4227	%EXTICMD = ();
3310		4228
3311	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3312	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3313	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3314		4232
3315	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3316	eval {	4234	eval {
3317	$cb->($pkg);	4235	$cb->($pkg);
3318	1	4236	1
3319	} or warn "$pkg unloaded, but with errors: $@";	4237	} or error "$pkg unloaded, but with errors: $@";
		4238	}
		4239
		4240	trace "... clearing $pkg";
		4241	clear_package $pkg;
3320	}	4242	}
3321		4243
3322	warn "... nuking $pkg";
3323	Symbol::delete_package $pkg;
3324	}
3325
3326	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3327	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3329		4247
3330	warn "... unloading $k";	4248	trace "... unloading $k";
3331	delete $INC{$k};	4249	delete $INC{$k};
3332		4250
3333	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3334	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3335		4253
3336	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3337	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3338	}	4259	}
3339		4260
3340	Symbol::delete_package $k;
3341	}
3342
3343	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3344	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4263	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3346		4264
3347	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3348	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3349	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3350		4268
3351	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3352	# and global variables created in xs	4270	# and global variables created in xs
3353	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3354		4272
3355	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3356		4274
3357	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3358	require cf;	4276	require cf;
3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3360		4278
3361	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3362	cf::reload_config;	4280	cf::reload_config;
3363		4281
3364	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3365	cf::load_extensions;	4283	cf::load_extensions;
3366		4284
		4285	if ($REATTACH_ON_RELOAD) {
3367	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3368	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3369	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3370	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3371	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3372	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3373		4293
3374	warn "leaving sync_job";	4294	cf::_post_init 1;
3375		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3376	1	4298	1
3377	} or do {	4299	} or do {
3378	warn $@;	4300	error $@;
3379	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3380	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3381	};	4305	}
3382		4306
3383	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3384	};	4309	};
3385		4310
3386	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3387		4312
3388	sub reload_perl() {	4313	sub reload_perl() {
3389	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3390	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3391		4316
3392	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3393	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3394	after => 0,	4319
3395	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3396	cb => sub {
3397	do_reload_perl;	4321	do_reload_perl;
3398	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3399	},	4323	};
3400	);	4324	};
3401	}	4325	}
3402		4326
3403	register_command "reload" => sub {	4327	register_command "reload" => sub {
3404	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3405		4329
3406	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3407	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3408	async { reload_perl };	4334	reload_perl;
		4335	};
3409	}	4336	}
3410	};	4337	};
3411		4338
3412	unshift @INC, $LIBDIR;	4339	#############################################################################
3413		4340
3414	my $bug_warning = 0;	4341	my $bug_warning = 0;
3415		4342
3416	our @WAIT_FOR_TICK;
3417	our @WAIT_FOR_TICK_BEGIN;
3418
3419	sub wait_for_tick {	4343	sub wait_for_tick() {
3420	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3421	return if $Coro::current == $Coro::main;
3422		4345
3423	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3424	push @WAIT_FOR_TICK, $signal;
3425	$signal->wait;
3426	}	4347	}
3427		4348
3428	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3429	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3430	return if $Coro::current == $Coro::main;
3431		4351
3432	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3433	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3434	$signal->wait;	4354	$signal->wait;
3435	}	4355	}
3436		4356
3437	my $min = 1e6;#d#	4357	sub tick {
3438	my $avg = 10;
3439	$TICK_WATCHER = Event->timer (
3440	reentrant => 0,
3441	parked => 1,
3442	prio => 0,
3443	at => $NEXT_TICK || $TICK,
3444	data => WF_AUTOCANCEL,
3445	cb => sub {
3446	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4359	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3448	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3449	return;	4361	return;
3450	}	4362	}
3451		4363
3452	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3453		4365
3454	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3455		4367
3456	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3457	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3458	my $t = Event::time;	4370	Coro::async_pool {
3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3460	or die;	4372	write_runtime_sync
3461		4373	or error "ERROR: unable to write runtime file: $!";
3462	$map->width (50);
3463	$map->height (50);
3464	$map->alloc;
3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3466	my $t = Event::time - $t;
3467
3468	#next unless $t < 0.0013;#d#
3469	if ($t < $min) {
3470	$min = $t;
3471	}
3472	$avg = $avg * 0.99 + $t * 0.01;
3473	}
3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3475	exit 0;
3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3477	};	4374	};
		4375	}
3478		4376
3479	$RUNTIME += $TICK;
3480	$NEXT_TICK += $TICK;
3481
3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
3484	Coro::async_pool {
3485	write_runtime
3486	or warn "ERROR: unable to write runtime file: $!";
3487	};
3488	}
3489
3490	# my $AFTER = Event::time;
3491	# warn $AFTER - $NOW;#d#
3492
3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3494	$sig->send;	4378	$sig->send;
3495	}	4379	}
3496	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3497	$sig->send;
3498	}
3499		4381
3500	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3501
3502	# if we are delayed by four ticks or more, skip them all
3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3504
3505	$TICK_WATCHER->at ($NEXT_TICK);
3506	$TICK_WATCHER->start;
3507
3508	$LOAD = ($NOW - $tick_start) / $TICK;
3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3510		4384
3511	_post_tick;	4385	if (0) {
3512		4386	if ($NEXT_TICK) {
3513		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3514	},	4391	}
3515	);	4392	}
3516		4393
3517	{	4394	{
3518	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3519	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3520	reentrant => 0,	4397
3521	fd => BDB::poll_fileno,
3522	poll => 'r',
3523	prio => 0,
3524	data => WF_AUTOCANCEL,
3525	cb => \&BDB::poll_cb,
3526	);
3527	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3528		4399	BDB::max_poll_reqs $TICK * 0.1;
3529	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3530	my $status;
3531	my $current = $Coro::current;
3532	(
3533	sub {
3534	$status = $!;
3535	$current->ready; undef $current;
3536	},
3537	sub {
3538	Coro::schedule while defined $current;
3539	$! = $status;
3540	},
3541	)
3542	};
3543		4401
3544	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3545	$DB_ENV = BDB::db_env_create;	4403	$DB_ENV = BDB::db_env_create;
		4404	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4405	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4406	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4407	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4408	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3546		4409
3547	cf::sync_job {	4410	cf::sync_job {
3548	eval {	4411	eval {
3549	BDB::db_env_open	4412	BDB::db_env_open
3550	$DB_ENV,	4413	$DB_ENV,
…		…
3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4415	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3554	0666;	4417	0666;
3555		4418
3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3557
3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3559	$DB_ENV->set_lk_detect;
3560	};	4420	};
3561		4421
3562	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3563	};	4423	};
3564	}	4424	}
		4425
		4426	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4427	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4428	};
		4429	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4430	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4431	};
		4432	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4433	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4434	};
		4435
		4436	info "database initialised";
3565	}	4437	}
3566		4438
3567	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3568	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3569
3570	undef $Coro::AIO::WATCHER;
3571	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3572	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3573	reentrant => 0,	4446	info "aio initialised";
3574	data => WF_AUTOCANCEL,
3575	fd => IO::AIO::poll_fileno,
3576	poll => 'r',
3577	prio => 6,
3578	cb => \&IO::AIO::poll_cb,
3579	);
3580	}	4447	}
3581		4448
3582	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3583		4451
3584	sub _log_backtrace {	4452	sub _log_backtrace {
3585	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3586		4454
3587	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3588		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3589	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3590	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3591	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3592	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3593	my @bt = fork_call {	4468	my @bt = fork_call {
3594	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3597	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3605	}	4480	}
3606		4481
3607	@funcs	4482	@funcs
3608	};	4483	};
3609		4484
3610	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3611	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3612	--$_log_backtrace;	4488	--$_log_backtrace;
3613	};	4489	};
3614	} else {	4490	} else {
3615	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3616	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3617	}	4493	}
3618	}	4494	}
3619		4495
3620	# load additional modules	4496	# load additional modules
3621	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3622		4499
3623	END { cf::emergency_save }	4500	END { cf::emergency_save }
3624		4501
3625	1	4502	1
3626		4503

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