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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.616 by root, Mon Aug 10 03:05:30 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 1.4 ();	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		145
84	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # 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	utf8::encode $msg;
193	LOG llevError, $msg;	308	LOG llevWarn, $msg;
194	};	309	};
195	}	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	};
196		324
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	335	for my $pkg (qw(
208	cf::global cf::attachable	336	cf::global cf::attachable
209	cf::object cf::object::player	337	cf::object cf::object::player
210	cf::client cf::player	338	cf::client cf::player
211	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
212	cf::map cf::party cf::region	341	cf::party cf::region
213	)) {	342	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	344	}
217		345
218	$Event::DIED = sub {	346	$EV::DIED = sub {
219	warn "error in event callback: @_";	347	warn "error in event callback: $@";
220	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
221		354
222	#############################################################################	355	#############################################################################
223		356
224	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
225		358
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	380	$d
248	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
249	}	382	}
250		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
251	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
252		437
253	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
254		439
255	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
256		441
257	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
258		443
259	=cut	444	=cut
260		445
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		447
263	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
264	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	}
265		512
266	=item cf::lock_wait $string	513	=item cf::lock_wait $string
267		514
268	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
269		516
270	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
271		518
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
275	returned.	522	returned.
276		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
277	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
279		529
280	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
281		531
282	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.
283		533
284	=cut	534	=cut
285		535
286	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
287		537
288	sub lock_wait($) {	538	sub lock_wait($) {
289	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	540	}
297		541
298	sub lock_acquire($) {	542	sub lock_acquire($) {
299	my ($key) = @_;	543	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	544	}
311		545
312	sub lock_active($) {	546	sub lock_active($) {
313	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	548	}
317		549
318	sub freeze_mainloop {	550	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
320		552
321	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	554	}
323	};	555
324	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
325	$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
326	}	569	}
327		570
328	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
329		572
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	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
332	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.
333		580
334	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
335	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
336		583
337	Useful for short background jobs.	584	Useful for short background jobs.
338		585
339	=cut	586	=cut
340		587
341	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
343		591
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
346	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
347		598
348	while () {	599	while () {
349	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
350	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	605
352	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	610	$job->[2]->send;
356	Coro::cede;
357	goto next_job;	611	goto next_job;
358	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	614	}
360	}	615	}
361		616
362	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
364	push @cf::WAIT_FOR_TICK, $signal;
365	$signal->wait;
366	} else {	619	} else {
		620	$busy = 0;
367	Coro::schedule;	621	Coro::schedule;
368	}	622	}
369	}	623	}
370	};	624	};
371		625
372	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
373	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
374		630
375	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
376	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
377		634
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
391		648
392	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
393		650
394	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
395		652
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
397	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
398	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
399	acceptable.	656	acceptable.
400		657
401	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
402	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
…		…
406	=cut	663	=cut
407		664
408	sub sync_job(&) {	665	sub sync_job(&) {
409	my ($job) = @_;	666	my ($job) = @_;
410		667
411	if ($Coro::current == $Coro::main) {	668	if (in_main) {
412	my $time = Event::time;	669	my $time = AE::time;
413		670
414	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
416		673
417	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	675
419	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
420		677
421	my $busy = 1;	678	my $busy = 1;
422	my @res;	679	my @res;
423		680
424	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	683	@res = eval { $job->() };
426	warn $@ if $@;	684	error $@ if $@;
427	undef $busy;	685	undef $busy;
428	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
429		687
430	while ($busy) {	688	while ($busy) {
431	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONESHOT;
432	}	693	}
		694	}
433		695
434	$time = Event::time - $time;	696	my $time = AE::time - $time;
435		697
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
440		699
441	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
442	} else {	701	} else {
443	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
444		703
…		…
464	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
465		724
466	$coro	725	$coro
467	}	726	}
468		727
469	=item fork_call { }, $args	728	=item fork_call { }, @args
470		729
471	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
472	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
473	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
474	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
475		734
476	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
477		740
478	sub fork_call(&@) {	741	sub fork_call(&@) {
479	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
480		743
481	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)
484
485	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
486	reset_signals;	745	cf::post_fork;
487	&$cb	746	&$cb
488	}, @args;	747	} @args;
489		748
490	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
491	}	788	}
492		789
493	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
494		791
495	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
498		795
499	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
500	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).
501		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
502	=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	}
503		825
504	our $DB;	826	our $DB;
505		827
506	sub db_init {	828	sub db_init {
507	unless ($DB) {	829	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	830	}
522		831
523	sub db_get($$) {	832	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
525		834
526	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
527	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
528		839
529	$! ? ()	840	$! ? ()
530	: $data	841	: $data
531	}
532	}	842	}
533		843
534	sub db_put($$$) {	844	sub db_put($$$) {
535	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		874
565	my @data;	875	my @data;
566	my $md5;	876	my $md5;
567		877
568	for (0 .. $#$src) {	878	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	880	}
572		881
573	# if processing is expensive, check	882	# if processing is expensive, check
574	# checksum first	883	# checksum first
575	if (1) {	884	if (1) {
576	$md5 =	885	$md5 =
577	join "\x00",	886	join "\x00",
578	$processversion,	887	$processversion,
579	map {	888	map {
580	Coro::cede;	889	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	890	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	891	} 0.. $#$src;
583		892
584		893
585	my $dbmd5 = db_get cache => "$id/md5";	894	my $dbmd5 = db_get cache => "$id/md5";
…		…
588		897
589	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
590	}	899	}
591	}	900	}
592		901
593	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
594	my $data = $process->(\@data);	903	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
596		905
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		907
599	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
602		911
…		…
612		921
613	=cut	922	=cut
614		923
615	sub datalog($@) {	924	sub datalog($@) {
616	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	927	}
619		928
620	=back	929	=back
621		930
622	=cut	931	=cut
623		932
624	#############################################################################	933	#############################################################################
625		934
626	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
627		936
628	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
629	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")
630	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
631		940
632	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>
633	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
634	Crossfire TRT).	943	Deliantra).
635		944
636	=over 4	945	=over 4
637		946
638	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
639		948
…		…
683	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
684		993
685	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
686	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
687		996
688	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
689	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.
690		999
691	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
692		1001
693	=over 4	1002	=over 4
…		…
817		1126
818	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1129
821	} elsif (ref $type) {	1130	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
823		1132
824	} else {	1133	} else {
825	shift @arg;	1134	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
827	}	1136	}
828	}	1137	}
829	}	1138	}
830		1139
831	sub _object_attach {	1140	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
842	}	1151	}
843		1152
844	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
845	} else {	1154	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1156	}
848		1157
849	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
850	}	1159	}
851		1160
…		…
910		1219
911	for (@$callbacks) {	1220	for (@$callbacks) {
912	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
913		1222
914	if ($@) {	1223	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1225	override;
918	}	1226	}
919		1227
920	return 1 if $override;	1228	return 1 if $override;
921	}	1229	}
922		1230
923	0	1231	0
924	}	1232	}
925		1233
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1235
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1237
930	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
931		1239
…		…
937		1245
938	=cut	1246	=cut
939		1247
940	#############################################################################	1248	#############################################################################
941	# object support	1249	# object support
942	#
943		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#
944	sub _can_merge {	1284	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
946		1286
947	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1288
951	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
952	}	1291	}
953		1292
954	sub reattach {	1293	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1295	my ($obj) = @_;
957		1296
		1297	# no longer needed after getting rid of delete_package?
958	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
959		1299
960	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
961		1301
962	@$registry = ();	1302	@$registry = ();
963		1303
…		…
968	for (@$attach) {	1308	for (@$attach) {
969	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
971	}	1311	}
972	} else {	1312	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1314	}
975	}	1315	}
976	}	1316	}
977		1317
978	cf::attachable->attach (	1318	cf::attachable->attach (
979	prio => -1000000,	1319	prio => -1000000,
980	on_instantiate => sub {	1320	on_instantiate => sub {
981	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
982		1322
983	$data = from_json $data;	1323	$data = decode_json $data;
984		1324
985	for (@$data) {	1325	for (@$data) {
986	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
987		1327
988	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1344	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1006		1346
1007	sync_job {	1347	sync_job {
1008	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1011		1353
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	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	}
1016	close $fh;	1361	aio_close $fh;
1017		1362
1018	if (@$objs) {	1363	if (@$objs) {
1019	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) {
1020	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1023	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	}
1024	close $fh;	1372	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1374	}
1027	} else {	1375	} else {
1028	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1029	}	1377	}
1030		1378
1031	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1383	} else {
1033	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1034	}	1385	}
1035	} else {	1386	} else {
1036	aio_unlink $filename;	1387	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1038	}	1389	}
1039	}	1390	};
1040	}	1391	}
1041		1392
1042	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1044		1395
…		…
1056	or return;	1407	or return;
1057		1408
1058	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1411	or return;
		1412
1061	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1062	}	1415	}
1063		1416
		1417	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
		1421
1066	return ($data, $av);	1422	($data, $av)
1067	}	1423	}
1068		1424
1069	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
1070		1426
1071	=over 4	1427	=over 4
…		…
1073	=cut	1429	=cut
1074		1430
1075	#############################################################################	1431	#############################################################################
1076	# command handling &c	1432	# command handling &c
1077		1433
1078	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1079		1435
1080	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
1081	$name.	1437	$name.
1082		1438
1083	=cut	1439	=cut
…		…
1089	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1090		1446
1091	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1092	}	1448	}
1093		1449
1094	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1095		1451
1096	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1097	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
1098	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
1099	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
1100	has logged in successfully.	1456	has logged in successfully.
1101		1457
1102	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1103	called.
1104		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
1105	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1106		1466
1107	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1108	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
1109	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
1110	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
1111	log-in.	1471	log-in.
1112		1472
1113	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1114	called.
1115		1474
1116	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1117		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
1118	sub register_extcmd {	1482	sub register_extcmd($$) {
1119	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1120		1484
1121	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1122	}	1486	}
1123		1487
1124	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1125	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1126		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1127	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1128	}	1498	}
1129		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1130	cf::player->attach (	1508	cf::player->attach (
1131	on_command => sub {	1509	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1133		1511
1134	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1135	or return;	1513	or return;
1136		1514
…		…
1144	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1145		1523
1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1147		1525
1148	if (ref $msg) {	1526	if (ref $msg) {
1149	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1150	"ARRAY" eq ref $msg
1151	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1528
1154	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}) {
1155	my @reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
1156		1544
1157	$pl->ext_reply ($reply, @reply)	1545	$pl->ext_msg ("reply-$reply", @reply)
1158	if $reply;	1546	if $reply;
1159	}	1547	}
		1548
1160	} else {	1549	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1551	}
1163		1552
1164	cf::override;	1553	cf::override;
1165	},	1554	},
1166	);	1555	);
1167		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
1168	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1169	cf::sync_job {	1586	cf::sync_job {
1170	my %todo;	1587	my %todo;
1171		1588
1172	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1590	next unless -r $path;
…		…
1191		1608
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1611
1195	$ext{source} =	1612	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1198	. $source	1615	. $source
1199	. "\n};\n1";	1616	. "\n};\n1";
1200		1617
1201	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1202	}	1619	}
1203		1620
		1621	my $pass = 0;
1204	my %done;	1622	my %done;
1205	while (%todo) {	1623	while (%todo) {
1206	my $progress;	1624	my $progress;
1207		1625
		1626	++$pass;
		1627
		1628	ext:
1208	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1631	next ext
1211	unless exists $done{$_};	1632	unless exists $done{$_};
1212	}	1633	}
1213		1634
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1636
1216	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 $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1221	warn $msg;	1653
1222	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1655	delete $todo{$k};
1224	}	1656	} else {
1225		1657	$done{$k} = delete $todo{$k};
1226	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1227	}	1663	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1664	}
1233		1665
1234	skip:	1666	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	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	}
1237	}	1676	}
1238	};	1677	};
1239	}	1678	}
1240		1679
1241	#############################################################################	1680	#############################################################################
1242		1681
1243	=back	1682	=back
1244		1683
1245	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1246		1685
1247	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1248		1687
1249	=cut	1688	=cut
1250		1689
1251	package cf::player;	1690	package cf::player;
1252		1691
1253	use Coro::AIO;	1692	use Coro::AIO;
1254		1693
1255	=head3 cf::player	1694	=head3 cf::player
1256		1695
1257	=over 4	1696	=over 4
		1697
		1698	=item cf::player::num_playing
		1699
		1700	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1701
		1702	=cut
		1703
		1704	sub num_playing {
		1705	scalar grep
		1706	$_->ob->map
		1707	&& !$_->hidden
		1708	&& !$_->ob->flag (cf::FLAG_WIZ),
		1709	cf::player::list
		1710	}
1258		1711
1259	=item cf::player::find $login	1712	=item cf::player::find $login
1260		1713
1261	Returns the given player object, loading it if necessary (might block).	1714	Returns the given player object, loading it if necessary (might block).
1262		1715
…		…
1281		1734
1282	sub exists($) {	1735	sub exists($) {
1283	my ($login) = @_;	1736	my ($login) = @_;
1284		1737
1285	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1287	}	1740	}
1288		1741
1289	sub find($) {	1742	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1744	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1751	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1752	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1753	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1755
1303	my $pl = load_pl path $login	1756	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1757	or return;
		1758
		1759	my $pl = cf::player::load_pl $f
		1760	or return;
		1761
		1762	local $cf::PLAYER_LOADING{$login} = $pl;
		1763	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1306	}	1765	}
1307	}	1766	}
1308	}	1767	}
		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
1309		1781
1310	sub save($) {	1782	sub save($) {
1311	my ($pl) = @_;	1783	my ($pl) = @_;
1312		1784
1313	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1319		1791
1320	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
1322		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1799
1323	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1324	Coro::cede;	1801	cf::cede_to_tick;
1325	}	1802	}
1326		1803
1327	sub new($) {	1804	sub new($) {
1328	my ($login) = @_;	1805	my ($login) = @_;
1329		1806
…		…
1358	my ($pl) = @_;	1835	my ($pl) = @_;
1359		1836
1360	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1361		1838
1362	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1363	$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
1364		1841
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1368	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1369		1850
1370	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1407	or return [];	1888	or return [];
1408		1889
1409	my @logins;	1890	my @logins;
1410		1891
1411	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
		1893	my $path = path $login;
		1894
		1895	# a .pst is a dead give-away for a valid player
		1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1901	}
1415		1902
1416	utf8::decode $login;	1903	utf8::decode $login;
1417	push @logins, $login;	1904	push @logins, $login;
1418	}	1905	}
1419		1906
1420	\@logins	1907	\@logins
1421	}	1908	}
1422		1909
1423	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1424		1913
1425	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1426	player. May block.	1915	player. May block.
1427		1916
1428	=cut	1917	=cut
…		…
1446	}	1935	}
1447		1936
1448	\@paths	1937	\@paths
1449	}	1938	}
1450		1939
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1941
1453	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500
1501	=item $player->ext_reply ($msgid, @msg)
1502
1503	Sends an ext reply to the player.
1504
1505	=cut
1506
1507	sub ext_reply($$@) {
1508	my ($self, $id, @msg) = @_;
1509
1510	$self->ns->ext_reply ($id, @msg)
1511	}
1512		1943
1513	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1514		1945
1515	Sends an ext event to the client.	1946	Sends an ext event to the client.
1516		1947
…		…
1536		1967
1537	=cut	1968	=cut
1538		1969
1539	sub find_by_path($) {	1970	sub find_by_path($) {
1540	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1541		1974
1542	my ($match, $specificity);	1975	my ($match, $specificity);
1543		1976
1544	for my $region (list) {	1977	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1573		2006
1574	sub generate_random_map {	2007	sub generate_random_map {
1575	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1577	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	2013	}
1591		2014
1592	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1593		2016
1594	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
…		…
1599		2022
1600	sub register {	2023	sub register {
1601	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	2025	my $pkg = caller;
1603		2026
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		2028
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	2030	}
1609		2031
1610	# also paths starting with '/'	2032	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		2034
1613	sub thawer_merge {	2035	sub thawer_merge {
1614	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1615		2037
1616	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1621	}	2043	}
1622		2044
1623	sub normalise {	2045	sub normalise {
1624	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1625		2047
1626	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1627		2049
1628	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1629		2051
1630	# map plan:	2052	# map plan:
1631	#	2053	#
…		…
1646	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	2069	$path = "$base/$path";
1648	}	2070	}
1649		2071
1650	for ($path) {	2072	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1654	}	2075	}
1655		2076
1656	$path	2077	$path
…		…
1670	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1671	return $self;	2092	return $self;
1672	}	2093	}
1673	}	2094	}
1674		2095
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	2097	()
1677	}	2098	}
1678		2099
		2100	# may re-bless or do other evil things
1679	sub init {	2101	sub init {
1680	my ($self) = @_;	2102	my ($self) = @_;
1681		2103
1682	$self	2104	$self
1683	}	2105	}
…		…
1702		2124
1703	# the temporary/swap location	2125	# the temporary/swap location
1704	sub save_path {	2126	sub save_path {
1705	my ($self) = @_;	2127	my ($self) = @_;
1706		2128
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1709	}	2131	}
1710		2132
1711	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1712	sub uniq_path {	2134	sub uniq_path {
1713	my ($self) = @_;	2135	my ($self) = @_;
1714		2136
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2139	}
1727		2140
1728	sub decay_objects {	2141	sub decay_objects {
1729	my ($self) = @_;	2142	my ($self) = @_;
1730		2143
…		…
1743		2156
1744	sub load_header_from($) {	2157	sub load_header_from($) {
1745	my ($self, $path) = @_;	2158	my ($self, $path) = @_;
1746		2159
1747	utf8::encode $path;	2160	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2161	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2162	or return;
1753		2163
		2164	$self->_load_header ($f)
		2165	or return;
		2166
		2167	local $MAP_LOADING{$self->{path}} = $self;
		2168	$f->resolve_delayed_derefs;
		2169
1754	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1755		2171
1756	1	2172	1
1757	}	2173	}
1758		2174
		2175	# used to laod the header of an original map
1759	sub load_header_orig {	2176	sub load_header_orig {
1760	my ($self) = @_;	2177	my ($self) = @_;
1761		2178
1762	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1763	}	2180	}
1764		2181
		2182	# used to laod the header of an instantiated map
1765	sub load_header_temp {	2183	sub load_header_temp {
1766	my ($self) = @_;	2184	my ($self) = @_;
1767		2185
1768	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1769	}	2187	}
1770		2188
		2189	# called after loading the header from an instantiated map
1771	sub prepare_temp {	2190	sub prepare_temp {
1772	my ($self) = @_;	2191	my ($self) = @_;
1773		2192
1774	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1775	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1776	# safety	2195	# safety
1777	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1778	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1779	}	2198	}
1780		2199
		2200	# called after loading the header from an original map
1781	sub prepare_orig {	2201	sub prepare_orig {
1782	my ($self) = @_;	2202	my ($self) = @_;
1783		2203
1784	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1785	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1809		2229
1810	sub find;	2230	sub find;
1811	sub find {	2231	sub find {
1812	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1813		2233
		2234	cf::cede_to_tick;
		2235
1814	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1815		2237
		2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2240
1818	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1821	or return;	2243	or return;
1822		2244
1823	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1824		2246
…		…
1826	or return;	2248	or return;
1827		2249
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
		2254	undef $guard1;
1831	$map->reset;	2255	$map->reset;
1832	undef $guard;
1833	return find $path;	2256	return find $path;
1834	}	2257	}
1835		2258
1836	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1837	}	2260	}
1838	}	2261	}
1839		2262
1840	sub pre_load { }	2263	sub pre_load { }
1841	sub post_load { }	2264	#sub post_load { } # XS
1842		2265
1843	sub load {	2266	sub load {
1844	my ($self) = @_;	2267	my ($self) = @_;
1845		2268
1846	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
1847		2270
1848	my $path = $self->{path};	2271	my $path = $self->{path};
1849		2272
1850	{	2273	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1852		2275
		2276	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1854
1855	$self->in_memory (cf::MAP_LOADING);
1856		2278
1857	$self->alloc;	2279	$self->alloc;
1858		2280
1859	$self->pre_load;	2281	$self->pre_load;
1860	Coro::cede;	2282	cf::cede_to_tick;
1861		2283
1862	$self->_load_objects ($self->{load_path}, 1)	2284	if (exists $self->{load_path}) {
		2285	my $f = new_from_file cf::object::thawer $self->{load_path};
		2286	$f->skip_block;
		2287	$self->_load_objects ($f)
1863	or return;	2288	or return;
1864		2289
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1866	if delete $self->{load_original};	2291	if delete $self->{load_original};
1867		2292
1868	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2294	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2295	unless (aio_stat $uniq) {
		2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2297	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2298	$self->_load_objects ($f);
		2299	$f->resolve_delayed_derefs;
		2300	}
		2301	}
1873	}	2302	}
1874	}
1875		2303
1876	Coro::cede;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
		2311
		2312	cf::cede_to_tick;
1877	# now do the right thing for maps	2313	# now do the right thing for maps
1878	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2316	unless $self->difficulty;
1881	Coro::cede;	2317	cf::cede_to_tick;
1882		2318
1883	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2320	$self->decay_objects;
1885	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1886	$self->update_buttons;	2322	$self->update_buttons;
1887	Coro::cede;	2323	cf::cede_to_tick;
1888	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1889	Coro::cede;
1890	$self->activate;
1891	}	2325	}
1892		2326
1893	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1895
1896	$self->in_memory (cf::MAP_IN_MEMORY);
1897	}	2329	}
1898		2330
1899	$self->post_load;	2331	$self->post_load;
1900	}
1901		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
1902	sub customise_for {	2339	sub customise_for {
1903	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1904		2341
1905	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2343	if $self->per_player;
…		…
1909	# if $self->per_party;	2346	# if $self->per_party;
1910		2347
1911	$self	2348	$self
1912	}	2349	}
1913		2350
1914	# find and load all maps in the 3x3 area around a map
1915	sub load_neighbours {
1916	my ($map) = @_;
1917
1918	my @neigh; # diagonal neighbours
1919
1920	for (0 .. 3) {
1921	my $neigh = $map->tile_path ($_)
1922	or next;
1923	$neigh = find $neigh, $map
1924	or next;
1925	$neigh->load;
1926
1927	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}
1931
1932	for (grep defined $_->[0], @neigh) {
1933	my ($path, $origin) = @$_;
1934	my $neigh = find $path, $origin
1935	or next;
1936	$neigh->load;
1937	}
1938	}
1939
1940	sub find_sync {	2351	sub find_sync {
1941	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
1942		2353
1943	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
1944	}	2359	}
1945		2360
1946	sub do_load_sync {	2361	sub do_load_sync {
1947	my ($map) = @_;	2362	my ($map) = @_;
1948		2363
1949	cf::sync_job { $map->load };	2364	# it's a bug to call this from the main context
		2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2366	if $Coro::current == $Coro::main;
		2367
		2368	$map->load;
1950	}	2369	}
1951		2370
1952	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
1954		2373
1955	sub find_async {	2374	sub find_async {
1956	my ($path, $origin) = @_;	2375	my ($path, $origin, $load) = @_;
1957		2376
1958	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
1959		2378
1960	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
1962	}	2381	}
1963		2382
1964	undef $MAP_PREFETCH{$path};	2383	$MAP_PREFETCH{$path} |= $load;
		2384
1965	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
1966	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2390	if (my $map = find $k) {
1969	$map->load;	2391	$map->load if $v;
1970	}	2392	}
1971		2393
1972	delete $MAP_PREFETCH{$path};	2394	delete $MAP_PREFETCH{$k};
1973	}	2395	}
1974	}	2396	}
1975	undef $MAP_PREFETCHER;	2397	undef $MAP_PREFETCHER;
1976	};	2398	};
1977	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
1978		2400
1979	()	2401	()
1980	}	2402	}
1981		2403
		2404	# common code, used by both ->save and ->swapout
1982	sub save {	2405	sub _save {
1983	my ($self) = @_;	2406	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2407
1987	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
1988		2409
1989	return unless $self->dirty;	2410	return unless $self->dirty;
1990		2411
…		…
1996	return if $self->{deny_save};	2417	return if $self->{deny_save};
1997		2418
1998	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
1999		2420
2000	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2002	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2003		2427
2004	if ($uniq) {	2428	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2431	} else {
2008	$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);
2009	}	2433	}
2010	}	2434	}
2011		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2012	sub swap_out {	2444	sub swap_out {
2013	my ($self) = @_;	2445	my ($self) = @_;
2014		2446
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2020	return if $self->players;	2451	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		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
2024	$self->clear;	2462	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2463	}
2027		2464
2028	sub reset_at {	2465	sub reset_at {
2029	my ($self) = @_;	2466	my ($self) = @_;
2030		2467
…		…
2048		2485
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2487
2051	return if $self->players;	2488	return if $self->players;
2052		2489
2053	warn "resetting map ", $self->path;	2490	cf::trace "resetting map ", $self->path, "\n";
2054		2491
2055	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
2056		2493
2057	# need to save uniques path	2494	# need to save uniques path
2058	unless ($self->{deny_save}) {	2495	unless ($self->{deny_save}) {
2059	my $uniq = $self->uniq_path; utf8::encode $uniq;	2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
2060		2497
…		…
2062	if $uniq;	2499	if $uniq;
2063	}	2500	}
2064		2501
2065	delete $cf::MAP{$self->path};	2502	delete $cf::MAP{$self->path};
2066		2503
		2504	$self->deactivate;
		2505	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2506	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2507
2071	$self->unlink_save;	2508	$self->unlink_save;
2072	$self->destroy;	2509	$self->destroy;
2073	}	2510	}
2074		2511
2075	my $nuke_counter = "aaaa";	2512	my $nuke_counter = "aaaa";
2076		2513
2077	sub nuke {	2514	sub nuke {
2078	my ($self) = @_;	2515	my ($self) = @_;
2079		2516
		2517	{
		2518	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2519
2080	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2081		2521
2082	$self->unlink_save;	2522	$self->unlink_save;
2083		2523
2084	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2529
2090	$cf::MAP{$self->path} = $self;	2530	$cf::MAP{$self->path} = $self;
		2531	}
2091		2532
2092	$self->reset; # polite request, might not happen	2533	$self->reset; # polite request, might not happen
2093	}	2534	}
2094		2535
2095	=item $maps = cf::map::tmp_maps	2536	=item $maps = cf::map::tmp_maps
…		…
2137		2578
2138	sub unique_maps() {	2579	sub unique_maps() {
2139	[	2580	[
2140	map {	2581	map {
2141	utf8::decode $_;	2582	utf8::decode $_;
2142	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2143	? normalise $_	2586	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2588	]
2147	}	2589	}
2148		2590
2149	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	}
2150		2622
2151	=back	2623	=back
2152		2624
2153	=head3 cf::object	2625	=head3 cf::object
2154		2626
…		…
2158		2630
2159	=over 4	2631	=over 4
2160		2632
2161	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2162		2634
2163	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.
2164		2637
2165	=cut	2638	=cut
2166		2639
2167	sub inv_recursive_;	2640	sub inv_recursive_;
2168	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2171		2644
2172	sub inv_recursive {	2645	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2174	}	2647	}
2175		2648
		2649	=item $ref = $ob->ref
		2650
		2651	Creates and returns a persistent reference to an object that can be stored as a string.
		2652
		2653	=item $ob = cf::object::deref ($refstring)
		2654
		2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2656	even if the object actually exists. May block.
		2657
		2658	=cut
		2659
		2660	sub deref {
		2661	my ($ref) = @_;
		2662
		2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2664	my ($uuid, $name) = ($1, $2);
		2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2666	or return;
		2667	$pl->ob->uuid eq $uuid
		2668	or return;
		2669
		2670	$pl->ob
		2671	} else {
		2672	warn "$ref: cannot resolve object reference\n";
		2673	undef
		2674	}
		2675	}
		2676
2176	package cf;	2677	package cf;
2177		2678
2178	=back	2679	=back
2179		2680
2180	=head3 cf::object::player	2681	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2687	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	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
2188	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2189		2690
2190	=cut	2691	=cut
		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
2191		2706
2192	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2708	# with dialog boxes.
2194	#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
2195	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2724
2210	} else {	2725	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2728	}
2214	}	2729	}
2215	}	2730	}
2216		2731
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2227	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2228		2743
2229	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2230	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2231		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2232	=cut	2772	=cut
2233		2773
2234	sub cf::object::player::may {	2774	sub cf::object::player::may {
2235	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2236		2776
2237	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2238	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2239	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2240	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2241	}	2781	}
2242		2782
2243	=item $player_object->enter_link	2783	=item $player_object->enter_link
2244		2784
2245	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}>).
2246		2786
2247	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.
2248	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.
2249		2791
2250	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.
2251		2799
2252	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2253		2801
2254	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2255	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2273	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2822	my ($self) = @_;
2275		2823
2276	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2277		2825
		2826	++$self->{_link_recursion};
		2827
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2829
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2282		2832
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2834	}
2285		2835
2286	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2288		2838
…		…
2305	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2307		2857
2308	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2311		2861
2312	$map->load;	2862	$map->load;
2313	$map->load_neighbours;
2314		2863
2315	return unless $self->contr->active;	2864	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2865
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2320	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2321		2873
		2874	}
		2875
2322	=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)]])
2323		2877
2324	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
2325	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2326	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
2327	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
2328	be called at the end of this process.	2882	be called at the end of this process.
2329		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
2330	=cut	2887	=cut
2331		2888
2332	our $GOTOGEN;	2889	our $GOTOGEN;
2333		2890
2334	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2893
		2894	if ($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
2337	# 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
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2902
2340	$self->enter_link;	2903	$self->enter_link;
2341		2904
2342	(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
2343	my $map = eval {	2927	my $map = eval {
2344	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2345		2929
2346	if ($map) {	2930	if ($map) {
2347	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2933	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2935	}
2352		2936
2353	$map	2937	$map
2354	};	2938	};
2355		2939
…		…
2361	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2364	}	2948	}
2365		2949
2366	$done->() if $done;	2950	$done->($self) if $done;
2367	})->prio (1);	2951	})->prio (1);
2368	}	2952	}
2369		2953
2370	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2371		2955
…		…
2391	}	2975	}
2392		2976
2393	sub prepare_random_map {	2977	sub prepare_random_map {
2394	my ($exit) = @_;	2978	my ($exit) = @_;
2395		2979
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2982	# that depends on the exit object
2401		2983
2402	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2986	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2409	}	2993	}
2410		2994
2411	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2412		2996
2413	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2416		3000
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	3003	undef $fh;
2420	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2421		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2424	}	3012	}
2425	}	3013	}
2426		3014
2427	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2429		3017
2430	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2431		3019
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	3020	$self->enter_link;
2444		3021
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	3022	(async {
2450	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2451	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
2452	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2453		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
2454	1;	3061	1
2455	}) {	3062	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "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. "
2458	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2460		3067
2461	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	3069	$self->leave_link;
2463	}	3070	}
2464	})->prio (1);	3071	})->prio (1);
2465	}	3072	}
2466		3073
2467	=head3 cf::client	3074	=head3 cf::client
2468		3075
2469	=over 4	3076	=over 4
2470		3077
2471	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2472		3079
2473	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2474	should not be used under normal circumstances.	3081	them as required.
2475		3082
2476	=cut	3083	=cut
2477		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2478	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2479	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2480		3089
2481	utf8::encode $text;	3090	# try lzf for large packets
2482	$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);
2483	}	3101	}
2484		3102
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		3104
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2488	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2491		3109
2492	=cut	3110	=cut
		3111
		3112	# non-persistent channels (usually the info channel)
		3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
		3120	"c/identify" => {
		3121	id => "infobox",
		3122	title => "Identify",
		3123	reply => undef,
		3124	tooltip => "Items recently identified",
		3125	},
		3126	"c/examine" => {
		3127	id => "infobox",
		3128	title => "Examine",
		3129	reply => undef,
		3130	tooltip => "Signs and other items you examined",
		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" => $CHAT_CHANNEL,
		3230	);
2493		3231
2494	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3234
2497	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2498		3237
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3239
		3240	# check predefined channels, for the benefit of C
		3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
2501	if (ref $channel) {	3247	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3251	$self->ext_msg (channel_info => $channel);
2506	}	3252	}
…		…
2508	$channel = $channel->{id};	3254	$channel = $channel->{id};
2509	}	3255	}
2510		3256
2511	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2512		3258
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3259	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2517		3262
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3266	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3267
2532	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3269	}
2546		3270
2547	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2548		3272
2549	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2551	=cut	3275	=cut
2552		3276
2553	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2555		3279
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}
2564	}
2565
2566	=item $client->ext_reply ($msgid, @msg)
2567
2568	Sends an ext reply to the client.
2569
2570	=cut
2571
2572	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;
2574
2575	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {
2578	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}
2582	}	3281	}
2583		3282
2584	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2585		3284
2586	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2606		3305
2607	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2608	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2609		3308
2610	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;
2611	}	3349	}
2612		3350
2613	cf::client->attach (	3351	cf::client->attach (
2614	on_connect => sub {	3352	on_connect => sub {
2615	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2641	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2642		3380
2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2644		3382
2645	if (ref $msg) {	3383	if (ref $msg) {
2646	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2647	"ARRAY" eq ref $msg
2648	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3385
2651	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}) {
2652	my @reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
2653		3401
2654	$ns->ext_reply ($reply, @reply)	3402	$ns->ext_msg ("reply-$reply", @reply)
2655	if $reply;	3403	if $reply;
2656	}	3404	}
2657	} else {	3405	} else {
2658	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";
2659	}	3407	}
2660		3408
2661	cf::override;	3409	cf::override;
2662	},	3410	},
2663	);	3411	);
…		…
2683		3431
2684	$coro	3432	$coro
2685	}	3433	}
2686		3434
2687	cf::client->attach (	3435	cf::client->attach (
2688	on_destroy => sub {	3436	on_client_destroy => sub {
2689	my ($ns) = @_;	3437	my ($ns) = @_;
2690		3438
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3440	},
2693	);	3441	);
…		…
2709	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2710		3458
2711	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2712		3460
2713	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
2716	sort time	3464	sort time
2717	));	3465	));
2718		3466
2719	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
2721	=pod	3469	=pod
2722		3470
2723	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2724		3472
2725	cf::object	3473	cf::object
2726	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
2727	insert remove name archname title slaying race	3475	insert remove name archname title slaying race decrease split
		3476	value
2728		3477
2729	cf::object::player	3478	cf::object::player
2730	player	3479	player
2731		3480
2732	cf::player	3481	cf::player
…		…
2737		3486
2738	=cut	3487	=cut
2739		3488
2740	for (	3489	for (
2741	["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
2742	insert remove inv name archname title slaying race)],	3491	insert remove inv nrof name archname title slaying race
		3492	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2746	) {	3496	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3499	for @funs;
2751	}	3500	}
2752		3501
…		…
2767		3516
2768	my $qcode = $code;	3517	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2771		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2772	local $_;	3524	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3525
2775	my $eval =	3526	my $eval =
2776	"do {\n"	3527	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3530	. $code
2780	. "\n}"	3531	. "\n}"
2781	;	3532	;
2782		3533
		3534	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	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	}
2786		3543
2787	if ($@) {	3544	if ($@) {
2788	warn "$@";	3545	warn "$@",
2789	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2791	}	3548	}
2792		3549
2793	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2794	}	3551	}
2795		3552
…		…
2809	=cut	3566	=cut
2810		3567
2811	sub register_script_function {	3568	sub register_script_function {
2812	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2813		3570
2814	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2816	}	3573	}
2817		3574
2818	=back	3575	=back
2819		3576
2820	=cut	3577	=cut
2821		3578
2822	#############################################################################	3579	#############################################################################
2823	# the server's init and main functions	3580	# the server's init and main functions
2824		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, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2825	sub load_facedata($) {	3659	sub load_facedata($) {
2826	my ($path) = @_;	3660	my ($path) = @_;
2827		3661
2828	my $enc = JSON::XS->new->utf8->canonical;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3663
2830	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2831		3665
2832	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3667
2838	$facedata->{version} == 2	3668	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2840		3670
2841	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2842	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2843	type => FT_RSRC,	3673
2844	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
2845	};	3675
2846	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2847		3679
2848	{	3680	{
2849	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2850		3682
2851	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2853	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2855	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};
2856	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};
2857		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2858	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2859	}	3694	}
2860		3695
2861	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2863	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2864	or next;	3700	or next;
		3701
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3705	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3707	}
2871
2872	cf::cede_to_tick;
2873	}	3708	}
2874	}	3709	}
2875		3710
2876	{	3711	{
2877	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
2878		3713
2879	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
2880	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
2881	cf::cede_to_tick;
2882	}	3716	}
2883		3717
2884	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
2885	}	3719	}
2886		3720
2887	{	3721	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
2891		3723
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($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
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3728
2898	if ($info->{type} & 1) {	3729	cf::face::set_type $idx, $type;
2899	# prepend meta info	3730	cf::face::set_csum $idx, 0, $info->{hash};
2900		3731	$cf::face::SIZE[0][$idx] = $info->{size};
2901	my $meta = $enc->encode ({	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
2902	name => $name,	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2903	%{ $info->{meta} || {} },	3734	$cf::face::HASH{$info->{hash}} = $idx;
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3735	} else {
2908	$data = $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
2909	}	3737	}
2910
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;
2915	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}	3738	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3739	}
		3740
		3741	($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 $fh; # close old facedata
2935		3754
2936	1	3755	1
2937	}	3756	}
2938		3757
2939	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3762	$ns->fx_want ($k, $v);
2944	}	3763	}
2945	};	3764	};
2946		3765
		3766	sub load_resource_file($) {
		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 $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
		3789
2947	sub reload_regions {	3790	sub reload_regions {
		3791	# HACK to clear player env face cache, we need some signal framework
		3792	# for this (global event?)
		3793	%ext::player_env::MUSIC_FACE_CACHE = ();
		3794
2948	load_resource_file "$MAPDIR/regions"	3795	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3796	or die "unable to load regions file\n";
2950		3797
2951	for (cf::region::list) {	3798	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3799	$_->{match} = qr/$_->{match}/
2953	if exists $_->{match};	3800	if exists $_->{match};
2954	}	3801	}
2955	}	3802	}
2956		3803
2957	sub reload_facedata {	3804	sub reload_facedata {
2958	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
2959	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
2960	}	3807	}
2961		3808
2962	sub reload_archetypes {	3809	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references	3812
2966	# this really needs to be done in an extra post-pass	3813	cf::face::set
2967	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
2968	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
2969	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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
2970	}	3838	}
2971		3839
2972	sub reload_treasures {	3840	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
2975	}	3843	}
2976		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
2977	sub reload_resources {	3865	sub reload_resources {
2978	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
2979		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
2980	reload_regions;	3873	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3874	reload_treasures;
2985		3875
2986	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
2987	}	3877	}
2988		3878
2989	sub init {	3879	sub reload_config {
2990	reload_resources;	3880	trace "reloading config file...\n";
2991	}
2992		3881
2993	sub cfg_load {	3882	my $config = load_file "$CONFDIR/config";
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3883	utf8::decode $config;
2995	or return;	3884	*CFG = decode_yaml $config;
2996		3885
2997	local $/;
2998	*CFG = YAML::Syck::Load <$fh>;
2999
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3887
3002	$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};
3003	$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};
3004		3890
3005	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3009	};	3895	};
3010	warn $@ if $@;	3896	warn $@ if $@;
3011	}	3897	}
3012	}	3898	}
3013		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
3014	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
3015	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3017	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#
3018	(async {	3941	(async {
3019	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3021	};	3945	};
3022		3946
3023	cfg_load;	3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
3024	db_init;	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;
		3961	reload_config;
		3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3025	load_extensions;	3971	load_extensions;
3026		3972
3027	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
3028	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;
3029	}	3990	}
3030		3991
3031	#############################################################################	3992	#############################################################################
3032	# initialisation and cleanup	3993	# initialisation and cleanup
3033		3994
3034	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3035	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3044	},
3045	);	4001	};
3046	}	4002	}
3047	}	4003	}
3048		4004
3049	sub write_runtime {	4005	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3051		4007
3052	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3054		4010
3055	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		4012
3057	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3058		4014
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	4016	or return;
3061		4017
3062	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3075		4031
3076	close $fh	4032	close $fh
3077	or return;	4033	or return;
3078		4034
3079	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	4036	and return;
3081		4037
3082	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		4039
3084	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 };
3085	}	4091	}
3086		4092
3087	sub emergency_save() {	4093	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3089		4095
3090	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;
3091		4102
3092	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3093	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	4114	$pl->save;
3101	}	4115	}
3102	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3103		4117
3104	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";
3105	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	4123	$map->valid or next;
3108	$map->save;	4124	$map->save;
3109	}	4125	}
3110	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3111		4127
3112	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";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3114	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 $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3115	};	4156	};
3116		4157
3117	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3118	}	4159	}
3119		4160
3120	sub post_cleanup {	4161	sub post_cleanup {
3121	my ($make_core) = @_;	4162	my ($make_core) = @_;
3122		4163
		4164	IO::AIO::flush;
		4165
3123	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3124	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	}
3125	}	4196	}
3126		4197
3127	sub do_reload_perl() {	4198	sub do_reload_perl() {
3128	# can/must only be called in main	4199	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3130	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3131	return;	4202	return;
3132	}	4203	}
3133		4204
3134	warn "reloading...";	4205	return if $RELOAD++;
3135		4206
3136	warn "entering sync_job";	4207	my $t1 = AE::time;
3137		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
3138	cf::sync_job {	4215	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	4216	#cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		4217
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	4220	%EXT_CORO = ();
3167		4221
3168	warn "removing commands";	4222	trace "perl_reload: removing commands";
3169	%COMMAND = ();	4223	%COMMAND = ();
3170		4224
3171	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3172	%EXTCMD = ();	4226	%EXTCMD = ();
3173	%EXTICMD = ();	4227	%EXTICMD = ();
3174		4228
3175	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3178		4232
3179	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3180	eval {	4234	eval {
3181	$cb->($pkg);	4235	$cb->($pkg);
3182	1	4236	1
3183	} 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;
3184	}	4242	}
3185		4243
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		4247
3194	warn "... unloading $k";	4248	trace "... unloading $k";
3195	delete $INC{$k};	4249	delete $INC{$k};
3196		4250
3197	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3199		4253
3200	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3202	}	4259	}
3203		4260
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3209	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);
3210		4264
3211	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		4268
3215	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3216	# and global variables created in xs	4270	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3218		4272
3219	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3220		4274
3221	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3222	require cf;	4276	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3224		4278
3225	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3226	cf::cfg_load;	4280	cf::reload_config;
3227		4281
3228	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3229	cf::load_extensions;	4283	cf::load_extensions;
3230		4284
		4285	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3234	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3237		4293
3238	warn "leaving sync_job";	4294	cf::_post_init 1;
3239		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3240	1	4298	1
3241	} or do {	4299	} or do {
3242	warn $@;	4300	error $@;
3243	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3244	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3245	};	4305	}
3246		4306
3247	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3248	};	4309	};
3249		4310
3250	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3251		4312
3252	sub reload_perl() {	4313	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3255		4316
3256	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	4319
3259	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4321	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3263	},	4323	};
3264	);	4324	};
3265	}	4325	}
3266		4326
3267	register_command "reload" => sub {	4327	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3269		4329
3270	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4334	reload_perl;
		4335	};
3273	}	4336	}
3274	};	4337	};
3275		4338
3276	unshift @INC, $LIBDIR;	4339	#############################################################################
3277		4340
3278	my $bug_warning = 0;	4341	my $bug_warning = 0;
3279		4342
3280	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;
3282
3283	sub wait_for_tick {	4343	sub wait_for_tick() {
3284	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3285	return if $Coro::current == $Coro::main;
3286		4345
3287	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3288	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;
3290	}	4347	}
3291		4348
3292	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3293	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3294	return if $Coro::current == $Coro::main;
3295		4351
3296	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4354	$signal->wait;
3299	}	4355	}
3300		4356
3301	my $min = 1e6;#d#	4357	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3311	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"
3312	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3313	return;	4361	return;
3314	}	4362	}
3315		4363
3316	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3317		4365
3318	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319		4367
3320	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3321	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3322	my $t = Event::time;	4370	Coro::async_pool {
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3324	or die;	4372	write_runtime_sync
3325		4373	or error "ERROR: unable to write runtime file: $!";
3326	$map->width (50);
3327	$map->height (50);
3328	$map->alloc;
3329	$map->_load_objects ("/tmp/x.map", 1);
3330	my $t = Event::time - $t;
3331
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4374	};
		4375	}
3342		4376
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4378	$sig->send;
3359	}	4379	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3361	$sig->send;
3362	}
3363		4381
3364	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4384
3375	_post_tick;	4385	if (0) {
3376		4386	if ($NEXT_TICK) {
3377		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3378	},	4391	}
3379	);	4392	}
3380		4393
3381	{	4394	{
3382	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3384	reentrant => 0,	4397
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3392		4399	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4401
3408	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3409	$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);
3410		4409
3411	cf::sync_job {	4410	cf::sync_job {
3412	eval {	4411	eval {
3413	BDB::db_env_open	4412	BDB::db_env_open
3414	$DB_ENV,	4413	$DB_ENV,
…		…
3416	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
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4417	0666;
3419		4418
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4420	};
3425		4421
3426	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4423	};
3428	}	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";
3429	}	4437	}
3430		4438
3431	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3432	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,	4446	info "aio initialised";
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4447	}
3445		4448
3446	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3447		4451
3448	sub _log_backtrace {	4452	sub _log_backtrace {
3449	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3450		4454
3451	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3452		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3453	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3455	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3456	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3457	my @bt = fork_call {	4468	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	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 |"
3461	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3469	}	4480	}
3470		4481
3471	@funcs	4482	@funcs
3472	};	4483	};
3473		4484
3474	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4488	--$_log_backtrace;
3477	};	4489	};
3478	} else {	4490	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3481	}	4493	}
3482	}	4494	}
3483		4495
3484	# load additional modules	4496	# load additional modules
3485	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3486		4499
3487	END { cf::emergency_save }	4500	END { cf::emergency_save }
3488		4501
3489	1	4502	1
3490		4503

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