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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC vs.
Revision 1.617 by root, Mon Aug 10 18:46:04 2015 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.32 ();	62	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	63	use Compress::LZF;
35	use Digest::MD5 ();	64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
36		67
37	# configure various modules to our taste	68	# configure various modules to our taste
38	#	69	#
39	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		78
43	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
44		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		81
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
51		85
52	our %COMMAND = ();	86	our %COMMAND = ();
53	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
54		88
55	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
60		96
61	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
63		101
64	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
65	our $DATADIR = datadir;	104	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
69	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
75		125
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
81	our $NOW;	144	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84	our $BDB_POLL_WATCHER;
85	our $DB_ENV;
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91		145
92	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
95		149
96	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		152
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
102		165
103	binmode STDOUT;	166	binmode STDOUT;
104	binmode STDERR;	167	binmode STDERR;
105		168
106	# read virtual server time, if available	169	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
111	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
112		177
113	mkdir $_	178	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		180
116	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
117		182
118	sub cf::map::normalise;	183	sub cf::map::normalise;
119		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
120	#############################################################################	189	#############################################################################
121		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
122	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
123		203
124	=over 4	204	=over 4
125		205
126	=item $cf::UPTIME	206	=item $cf::UPTIME
127		207
128	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
129		224
130	=item $cf::RUNTIME	225	=item $cf::RUNTIME
131		226
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	228	every server tick.
134		229
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		233
139	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
142	database environment.	237	database environment.
143		238
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	239	=item $cf::LOADAVG
153		240
154	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
159		246
160	The raw value load value from the last tick.	247	The raw value load value from the last tick.
161		248
162	=item %cf::CFG	249	=item %cf::CFG
163		250
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	252	from wherever your confdir points to.
166		253
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		255
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
172		277
173	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
174		279
175	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	282	that call.
178		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
179	=back	290	=back
180		291
181	=cut	292	=cut
182		293
183	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	301	my $msg = join "", @_;
186		302
187	$msg .= "\n"	303	$msg .= "\n"
188	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
189		305
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		307
192	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
277	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	525	deadlocked coro.
…		…
284		531
285	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.
286		533
287	=cut	534	=cut
288		535
289	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		537
292	sub lock_wait($) {	538	sub lock_wait($) {
293	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	540	}
306		541
307	sub lock_acquire($) {	542	sub lock_acquire($) {
308	my ($key) = @_;	543	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	544	}
322		545
323	sub lock_active($) {	546	sub lock_active($) {
324	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	548	}
328		549
329	sub freeze_mainloop {	550	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
331		552
332	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;	554	}
334	};	555
335	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
336	$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
337	}	569	}
338		570
339	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
340		572
341	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
342	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
343	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.
344		580
345	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
346	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
347		583
348	Useful for short background jobs.	584	Useful for short background jobs.
349		585
350	=cut	586	=cut
351		587
352	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
353	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
354		591
355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
357	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
358		598
359	while () {	599	while () {
360	next_job:	600	next_job:
		601
		602	Coro::cede;
		603
361	my $avail = cf::till_tick;	604	my $avail = cf::till_tick;
362	if ($avail > 0.01) {	605
363	for (0 .. $#SLOT_QUEUE) {	606	for (0 .. $#SLOT_QUEUE) {
364	if ($SLOT_QUEUE[$_][0] < $avail) {	607	if ($SLOT_QUEUE[$_][0] <= $avail) {
		608	$busy = 0;
365	my $job = splice @SLOT_QUEUE, $_, 1, ();	609	my $job = splice @SLOT_QUEUE, $_, 1, ();
366	$job->[2]->send;	610	$job->[2]->send;
367	Coro::cede;
368	goto next_job;	611	goto next_job;
369	}	612	} else {
		613	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
370	}	614	}
371	}	615	}
372		616
373	if (@SLOT_QUEUE) {	617	if (@SLOT_QUEUE) {
374	# we do not use wait_For_tick() as it returns immediately when tick is inactive	618	wait_for_tick;
375	push @cf::WAIT_FOR_TICK, $signal;
376	$signal->wait;
377	} else {	619	} else {
		620	$busy = 0;
378	Coro::schedule;	621	Coro::schedule;
379	}	622	}
380	}	623	}
381	};	624	};
382		625
383	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
384	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
385		630
386	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
387	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
388		634
389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
402		648
403	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
404		650
405	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
406		652
407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
408	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
409	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
410	acceptable.	656	acceptable.
411		657
412	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
413	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
…		…
417	=cut	663	=cut
418		664
419	sub sync_job(&) {	665	sub sync_job(&) {
420	my ($job) = @_;	666	my ($job) = @_;
421		667
422	if ($Coro::current == $Coro::main) {	668	if (in_main) {
423	my $time = Event::time;	669	my $time = AE::time;
424		670
425	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
426	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
427		673
428	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
429	# (but this is cancel-safe)	675
430	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
431		677
432	my $busy = 1;	678	my $busy = 1;
433	my @res;	679	my @res;
434		680
435	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
436	@res = eval { $job->() };	683	@res = eval { $job->() };
437	warn $@ if $@;	684	error $@ if $@;
438	undef $busy;	685	undef $busy;
439	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
440		687
441	while ($busy) {	688	while ($busy) {
442	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::run EV::RUN_ONCE;
443	}	693	}
		694	}
444		695
445	$time = Event::time - $time;	696	my $time = AE::time - $time;
446		697
447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
451		699
452	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
453	} else {	701	} else {
454	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
455		703
…		…
475	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
476		724
477	$coro	725	$coro
478	}	726	}
479		727
480	=item fork_call { }, $args	728	=item fork_call { }, @args
481		729
482	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
483	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
484	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
485	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
486		734
487	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
488		740
489	sub fork_call(&@) {	741	sub fork_call(&@) {
490	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
491		743
492	# we seemingly have to make a local copy of the whole thing,
493	# otherwise perl prematurely frees the stuff :/
494	# TODO: investigate and fix (likely this will be rather laborious)
495
496	my @res = Coro::Util::fork_eval {	744	my @res = Coro::Util::fork_eval {
497	reset_signals;	745	cf::post_fork;
498	&$cb	746	&$cb
499	}, @args;	747	} @args;
500		748
501	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
502	}	788	}
503		789
504	=item $value = cf::db_get $family => $key	790	=item $value = cf::db_get $family => $key
505		791
506	Returns a single value from the environment database.	792	Returns a single value from the environment database.
…		…
508	=item cf::db_put $family => $key => $value	794	=item cf::db_put $family => $key => $value
509		795
510	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
511	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).
512		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
513	=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	}
514		825
515	our $DB;	826	our $DB;
516		827
517	sub db_init {	828	sub db_init {
518	unless ($DB) {	829	$DB ||= db_table "db";
519	$DB = BDB::db_create $DB_ENV;
520
521	cf::sync_job {
522	eval {
523	$DB->set_flags (BDB::CHKSUM);
524
525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527	cf::cleanup "db_open(db): $!" if $!;
528	};
529	cf::cleanup "db_open(db): $@" if $@;
530	};
531	}
532	}	830	}
533		831
534	sub db_get($$) {	832	sub db_get($$) {
535	my $key = "$_[0]/$_[1]";	833	my $key = "$_[0]/$_[1]";
536		834
537	cf::sync_job {	835	cf::error "db_get called from main context"
		836	if $Coro::current == $Coro::main;
		837
538	BDB::db_get $DB, undef, $key, my $data;	838	BDB::db_get $DB, undef, $key, my $data;
539		839
540	$! ? ()	840	$! ? ()
541	: $data	841	: $data
542	}
543	}	842	}
544		843
545	sub db_put($$$) {	844	sub db_put($$$) {
546	BDB::dbreq_pri 4;	845	BDB::dbreq_pri 4;
547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	846	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
575		874
576	my @data;	875	my @data;
577	my $md5;	876	my $md5;
578		877
579	for (0 .. $#$src) {	878	for (0 .. $#$src) {
580	0 <= aio_load $src->[$_], $data[$_]	879	$data[$_] = load_file $src->[$_];
581	or Carp::croak "$src->[$_]: $!";
582	}	880	}
583		881
584	# if processing is expensive, check	882	# if processing is expensive, check
585	# checksum first	883	# checksum first
586	if (1) {	884	if (1) {
…		…
599		897
600	return db_get cache => "$id/data";	898	return db_get cache => "$id/data";
601	}	899	}
602	}	900	}
603		901
604	my $t1 = Time::HiRes::time;	902	my $t1 = EV::time;
605	my $data = $process->(\@data);	903	my $data = $process->(\@data);
606	my $t2 = Time::HiRes::time;	904	my $t2 = EV::time;
607		905
608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	906	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
609		907
610	db_put cache => "$id/data", $data;	908	db_put cache => "$id/data", $data;
611	db_put cache => "$id/md5" , $md5;	909	db_put cache => "$id/md5" , $md5;
612	db_put cache => "$id/meta", $meta;	910	db_put cache => "$id/meta", $meta;
613		911
…		…
623		921
624	=cut	922	=cut
625		923
626	sub datalog($@) {	924	sub datalog($@) {
627	my ($type, %kv) = @_;	925	my ($type, %kv) = @_;
628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	926	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
629	}	927	}
630		928
631	=back	929	=back
632		930
633	=cut	931	=cut
634		932
635	#############################################################################	933	#############################################################################
636		934
637	=head2 ATTACHABLE OBJECTS	935	=head2 ATTACHABLE OBJECTS
638		936
639	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
640	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")
641	to it. All such attachable objects support the following methods.	939	to it. All such attachable objects support the following methods.
642		940
643	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>
644	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
645	Crossfire TRT).	943	Deliantra).
646		944
647	=over 4	945	=over 4
648		946
649	=item $attachable->attach ($attachment, key => $value...)	947	=item $attachable->attach ($attachment, key => $value...)
650		948
…		…
694	=item cf::CLASS::attachment $name, ...	992	=item cf::CLASS::attachment $name, ...
695		993
696	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
697	given CLASS can refer to this attachment.	995	given CLASS can refer to this attachment.
698		996
699	Some classes such as crossfire maps and objects can specify attachments	997	Some classes such as deliantra maps and objects can specify attachments
700	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.
701		999
702	These calls expect any number of the following handler/hook descriptions:	1000	These calls expect any number of the following handler/hook descriptions:
703		1001
704	=over 4	1002	=over 4
…		…
828		1126
829	} elsif (exists $cb_id{$type}) {	1127	} elsif (exists $cb_id{$type}) {
830	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1128	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
831		1129
832	} elsif (ref $type) {	1130	} elsif (ref $type) {
833	warn "attaching objects not supported, ignoring.\n";	1131	error "attaching objects not supported, ignoring.\n";
834		1132
835	} else {	1133	} else {
836	shift @arg;	1134	shift @arg;
837	warn "attach argument '$type' not supported, ignoring.\n";	1135	error "attach argument '$type' not supported, ignoring.\n";
838	}	1136	}
839	}	1137	}
840	}	1138	}
841		1139
842	sub _object_attach {	1140	sub _object_attach {
…		…
852	_attach $registry, $klass, @attach;	1150	_attach $registry, $klass, @attach;
853	}	1151	}
854		1152
855	$obj->{$name} = \%arg;	1153	$obj->{$name} = \%arg;
856	} else {	1154	} else {
857	warn "object uses attachment '$name' which is not available, postponing.\n";	1155	info "object uses attachment '$name' which is not available, postponing.\n";
858	}	1156	}
859		1157
860	$obj->{_attachment}{$name} = undef;	1158	$obj->{_attachment}{$name} = undef;
861	}	1159	}
862		1160
…		…
921		1219
922	for (@$callbacks) {	1220	for (@$callbacks) {
923	eval { &{$_->[1]} };	1221	eval { &{$_->[1]} };
924		1222
925	if ($@) {	1223	if ($@) {
926	warn "$@";
927	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1224	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
928	override;	1225	override;
929	}	1226	}
930		1227
931	return 1 if $override;	1228	return 1 if $override;
932	}	1229	}
933		1230
934	0	1231	0
935	}	1232	}
936		1233
937	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
938		1235
939	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
940		1237
941	Generate an object-specific event with the given arguments.	1238	Generate an object-specific event with the given arguments.
942		1239
…		…
948		1245
949	=cut	1246	=cut
950		1247
951	#############################################################################	1248	#############################################################################
952	# object support	1249	# object support
953	#
954		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#
955	sub _can_merge {	1284	sub _can_merge {
956	my ($ob1, $ob2) = @_;	1285	my ($ob1, $ob2) = @_;
957		1286
958	local $Storable::canonical = 1;	1287	++$SLOW_MERGES;#d#
959	my $fob1 = Storable::freeze $ob1;
960	my $fob2 = Storable::freeze $ob2;
961		1288
962	$fob1 eq $fob2	1289	# we do the slow way here
		1290	return _object_equal $ob1, $ob2
963	}	1291	}
964		1292
965	sub reattach {	1293	sub reattach {
966	# basically do the same as instantiate, without calling instantiate	1294	# basically do the same as instantiate, without calling instantiate
967	my ($obj) = @_;	1295	my ($obj) = @_;
968		1296
		1297	# no longer needed after getting rid of delete_package?
969	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
970		1299
971	my $registry = $obj->registry;	1300	my $registry = $obj->registry;
972		1301
973	@$registry = ();	1302	@$registry = ();
974		1303
…		…
979	for (@$attach) {	1308	for (@$attach) {
980	my ($klass, @attach) = @$_;	1309	my ($klass, @attach) = @$_;
981	_attach $registry, $klass, @attach;	1310	_attach $registry, $klass, @attach;
982	}	1311	}
983	} else {	1312	} else {
984	warn "object uses attachment '$name' that is not available, postponing.\n";	1313	info "object uses attachment '$name' that is not available, postponing.\n";
985	}	1314	}
986	}	1315	}
987	}	1316	}
988		1317
989	cf::attachable->attach (	1318	cf::attachable->attach (
990	prio => -1000000,	1319	prio => -1000000,
991	on_instantiate => sub {	1320	on_instantiate => sub {
992	my ($obj, $data) = @_;	1321	my ($obj, $data) = @_;
993		1322
994	$data = from_json $data;	1323	$data = decode_json $data;
995		1324
996	for (@$data) {	1325	for (@$data) {
997	my ($name, $args) = @$_;	1326	my ($name, $args) = @$_;
998		1327
999	$obj->attach ($name, %{$args || {} });	1328	$obj->attach ($name, %{$args || {} });
…		…
1013	);	1342	);
1014		1343
1015	sub object_freezer_save {	1344	sub object_freezer_save {
1016	my ($filename, $rdata, $objs) = @_;	1345	my ($filename, $rdata, $objs) = @_;
1017		1346
1018	my $guard = cf::lock_acquire "io";
1019
1020	sync_job {	1347	sync_job {
1021	if (length $$rdata) {	1348	if (length $$rdata) {
		1349	utf8::decode (my $decname = $filename);
1022	warn sprintf "saving %s (%d,%d)\n",	1350	trace sprintf "saving %s (%d,%d)\n",
1023	$filename, length $$rdata, scalar @$objs;	1351	$decname, length $$rdata, scalar @$objs
		1352	if $VERBOSE_IO;
1024		1353
1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1354	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1026	chmod SAVE_MODE, $fh;	1355	aio_chmod $fh, SAVE_MODE;
1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1356	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1028	aio_fsync $fh if $cf::USE_FSYNC;	1357	if ($cf::USE_FSYNC) {
		1358	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1359	aio_fsync $fh;
		1360	}
1029	close $fh;	1361	aio_close $fh;
1030		1362
1031	if (@$objs) {	1363	if (@$objs) {
1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1364	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1033	chmod SAVE_MODE, $fh;	1365	aio_chmod $fh, SAVE_MODE;
1034	my $data = Storable::nfreeze { version => 1, objs => $objs };	1366	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1035	aio_write $fh, 0, (length $data), $data, 0;	1367	aio_write $fh, 0, (length $data), $data, 0;
1036	aio_fsync $fh if $cf::USE_FSYNC;	1368	if ($cf::USE_FSYNC) {
		1369	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1370	aio_fsync $fh;
		1371	}
1037	close $fh;	1372	aio_close $fh;
1038	aio_rename "$filename.pst~", "$filename.pst";	1373	aio_rename "$filename.pst~", "$filename.pst";
1039	}	1374	}
1040	} else {	1375	} else {
1041	aio_unlink "$filename.pst";	1376	aio_unlink "$filename.pst";
1042	}	1377	}
1043		1378
1044	aio_rename "$filename~", $filename;	1379	aio_rename "$filename~", $filename;
		1380
		1381	$filename =~ s%/[^/]+$%%;
		1382	aio_pathsync $filename if $cf::USE_FSYNC;
1045	} else {	1383	} else {
1046	warn "FATAL: $filename~: $!\n";	1384	error "unable to save objects: $filename~: $!\n";
1047	}	1385	}
1048	} else {	1386	} else {
1049	aio_unlink $filename;	1387	aio_unlink $filename;
1050	aio_unlink "$filename.pst";	1388	aio_unlink "$filename.pst";
1051	}	1389	}
1052	};	1390	};
1053
1054	undef $guard;
1055	}	1391	}
1056		1392
1057	sub object_freezer_as_string {	1393	sub object_freezer_as_string {
1058	my ($rdata, $objs) = @_;	1394	my ($rdata, $objs) = @_;
1059		1395
…		…
1064		1400
1065	sub object_thawer_load {	1401	sub object_thawer_load {
1066	my ($filename) = @_;	1402	my ($filename) = @_;
1067		1403
1068	my ($data, $av);	1404	my ($data, $av);
1069
1070	my $guard = cf::lock_acquire "io";
1071		1405
1072	(aio_load $filename, $data) >= 0	1406	(aio_load $filename, $data) >= 0
1073	or return;	1407	or return;
1074		1408
1075	unless (aio_stat "$filename.pst") {	1409	unless (aio_stat "$filename.pst") {
1076	(aio_load "$filename.pst", $av) >= 0	1410	(aio_load "$filename.pst", $av) >= 0
1077	or return;	1411	or return;
1078		1412
1079	undef $guard;
1080	$av = eval { (Storable::thaw $av)->{objs} };	1413	my $st = eval { Coro::Storable::thaw $av };
		1414	$av = $st->{objs};
1081	}	1415	}
1082		1416
		1417	utf8::decode (my $decname = $filename);
1083	warn sprintf "loading %s (%d)\n",	1418	trace sprintf "loading %s (%d,%d)\n",
1084	$filename, length $data, scalar @{$av || []};	1419	$decname, length $data, scalar @{$av || []}
		1420	if $VERBOSE_IO;
1085		1421
1086	($data, $av)	1422	($data, $av)
1087	}	1423	}
1088		1424
1089	=head2 COMMAND CALLBACKS	1425	=head2 COMMAND CALLBACKS
…		…
1093	=cut	1429	=cut
1094		1430
1095	#############################################################################	1431	#############################################################################
1096	# command handling &c	1432	# command handling &c
1097		1433
1098	=item cf::register_command $name => \&callback($ob,$args);	1434	=item cf::register_command $name => \&callback($ob,$args)
1099		1435
1100	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
1101	$name.	1437	$name.
1102		1438
1103	=cut	1439	=cut
…		…
1109	#warn "registering command '$name/$time' to '$caller'";	1445	#warn "registering command '$name/$time' to '$caller'";
1110		1446
1111	push @{ $COMMAND{$name} }, [$caller, $cb];	1447	push @{ $COMMAND{$name} }, [$caller, $cb];
1112	}	1448	}
1113		1449
1114	=item cf::register_extcmd $name => \&callback($pl,$packet);	1450	=item cf::register_extcmd $name => \&callback($pl,@args)
1115		1451
1116	Register a callback for execution when the client sends an (synchronous)	1452	Register a callback for execution when the client sends an (synchronous)
1117	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
1118	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
1119	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
1120	has logged in successfully.	1456	has logged in successfully.
1121		1457
1122	If the callback returns something, it is sent back as if reply was being	1458	The values will be sent back to the client.
1123	called.
1124		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
1125	=item cf::register_exticmd $name => \&callback($ns,$packet);	1465	=item cf::register_exticmd $name => \&callback($ns,@args)
1126		1466
1127	Register a callback for execution when the client sends an (asynchronous)	1467	Register a callback for execution when the client sends an (asynchronous)
1128	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
1129	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
1130	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
1131	log-in.	1471	log-in.
1132		1472
1133	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1134	called.
1135		1474
1136	=cut	1475	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1137		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
1138	sub register_extcmd {	1482	sub register_extcmd($$) {
1139	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1140		1484
1141	$EXTCMD{$name} = $cb;	1485	$EXTCMD{$name} = $cb;
1142	}	1486	}
1143		1487
1144	sub register_exticmd {	1488	sub register_async_extcmd($$) {
1145	my ($name, $cb) = @_;	1489	my ($name, $cb) = @_;
1146		1490
		1491	$EXTACMD{$name} = $cb;
		1492	}
		1493
		1494	sub register_exticmd($$) {
		1495	my ($name, $cb) = @_;
		1496
1147	$EXTICMD{$name} = $cb;	1497	$EXTICMD{$name} = $cb;
1148	}	1498	}
1149		1499
		1500	sub register_async_exticmd($$) {
		1501	my ($name, $cb) = @_;
		1502
		1503	$EXTIACMD{$name} = $cb;
		1504	}
		1505
		1506	use File::Glob ();
		1507
1150	cf::player->attach (	1508	cf::player->attach (
1151	on_command => sub {	1509	on_unknown_command => sub {
1152	my ($pl, $name, $params) = @_;	1510	my ($pl, $name, $params) = @_;
1153		1511
1154	my $cb = $COMMAND{$name}	1512	my $cb = $COMMAND{$name}
1155	or return;	1513	or return;
1156		1514
…		…
1164	my ($pl, $buf) = @_;	1522	my ($pl, $buf) = @_;
1165		1523
1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1524	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1167		1525
1168	if (ref $msg) {	1526	if (ref $msg) {
1169	my ($type, $reply, @payload) =	1527	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1170	"ARRAY" eq ref $msg
1171	? @$msg
1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1173		1528
1174	my @reply;
1175
1176	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}) {
1177	@reply = $cb->($pl, @payload);	1542	@reply = $cb->($pl, @payload);
		1543	}
		1544
		1545	$pl->ext_msg ("reply-$reply", @reply)
		1546	if $reply;
1178	}	1547	}
1179		1548
1180	$pl->ext_reply ($reply, @reply)
1181	if $reply;
1182
1183	} else {	1549	} else {
1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1550	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1185	}	1551	}
1186		1552
1187	cf::override;	1553	cf::override;
1188	},	1554	},
1189	);	1555	);
1190		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
1191	sub load_extensions {	1581	sub load_extensions {
		1582	info "loading extensions...";
		1583
		1584	%EXT_CFG = ();
		1585
1192	cf::sync_job {	1586	cf::sync_job {
1193	my %todo;	1587	my %todo;
1194		1588
1195	for my $path (<$LIBDIR/*.ext>) {	1589	for my $path (<$LIBDIR/*.ext>) {
1196	next unless -r $path;	1590	next unless -r $path;
…		…
1214		1608
1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1609	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1610	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217		1611
1218	$ext{source} =	1612	$ext{source} =
1219	"package $pkg; use strict; use utf8;\n"	1613	"package $pkg; use common::sense;\n"
1220	. "#line 1 \"$path\"\n{\n"	1614	. "#line 1 \"$path\"\n{\n"
1221	. $source	1615	. $source
1222	. "\n};\n1";	1616	. "\n};\n1";
1223		1617
1224	$todo{$base} = \%ext;	1618	$todo{$base} = \%ext;
1225	}	1619	}
1226		1620
		1621	my $pass = 0;
1227	my %done;	1622	my %done;
1228	while (%todo) {	1623	while (%todo) {
1229	my $progress;	1624	my $progress;
1230		1625
		1626	++$pass;
		1627
		1628	ext:
1231	while (my ($k, $v) = each %todo) {	1629	while (my ($k, $v) = each %todo) {
1232	for (split /,\s*/, $v->{meta}{depends}) {	1630	for (split /,\s*/, $v->{meta}{depends}) {
1233	goto skip	1631	next ext
1234	unless exists $done{$_};	1632	unless exists $done{$_};
1235	}	1633	}
1236		1634
1237	warn "... loading '$k' into '$v->{pkg}'\n";	1635	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1238		1636
1239	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 $@) {
1240	my $msg = $@ ? "$v->{path}: $@\n"	1649	error "$v->{path}: $@\n";
1241	: "$v->{base}: extension inactive.\n";
1242		1650
		1651	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1243	if (exists $v->{meta}{mandatory}) {	1652	if exists $v->{meta}{mandatory};
1244	warn $msg;	1653
1245	warn "mandatory extension failed to load, exiting.\n";	1654	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1246	exit 1;	1655	delete $todo{$k};
1247	}	1656	} else {
1248		1657	$done{$k} = delete $todo{$k};
1249	warn $msg;	1658	push @EXTS, $v->{pkg};
		1659	$progress = 1;
		1660
		1661	info "$v->{base}: extension inactive.\n"
		1662	unless $active;
1250	}	1663	}
1251
1252	$done{$k} = delete $todo{$k};
1253	push @EXTS, $v->{pkg};
1254	$progress = 1;
1255	}	1664	}
1256		1665
1257	skip:	1666	unless ($progress) {
1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1667	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1259	unless $progress;	1668
		1669	while (my ($k, $v) = each %todo) {
		1670	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1671	if exists $v->{meta}{mandatory};
		1672	}
		1673
		1674	last;
		1675	}
1260	}	1676	}
1261	};	1677	};
1262	}	1678	}
1263		1679
1264	#############################################################################	1680	#############################################################################
1265		1681
1266	=back	1682	=back
1267		1683
1268	=head2 CORE EXTENSIONS	1684	=head2 CORE EXTENSIONS
1269		1685
1270	Functions and methods that extend core crossfire objects.	1686	Functions and methods that extend core deliantra objects.
1271		1687
1272	=cut	1688	=cut
1273		1689
1274	package cf::player;	1690	package cf::player;
1275		1691
…		…
1318		1734
1319	sub exists($) {	1735	sub exists($) {
1320	my ($login) = @_;	1736	my ($login) = @_;
1321		1737
1322	$cf::PLAYER{$login}	1738	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1739	or !aio_stat path $login
1324	}	1740	}
1325		1741
1326	sub find($) {	1742	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1743	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1744	my $login = $_[0];
…		…
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1754	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1755
1340	my $f = new_from_file cf::object::thawer path $login	1756	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1757	or return;
1342		1758
1343	$f->next;
1344	my $pl = cf::player::load_pl $f	1759	my $pl = cf::player::load_pl $f
1345	or return;	1760	or return;
		1761
1346	local $cf::PLAYER_LOADING{$login} = $pl;	1762	local $cf::PLAYER_LOADING{$login} = $pl;
1347	$f->resolve_delayed_derefs;	1763	$f->resolve_delayed_derefs;
1348	$cf::PLAYER{$login} = $pl	1764	$cf::PLAYER{$login} = $pl
1349	}	1765	}
1350	}	1766	}
1351	}	1767	}
1352		1768
		1769	cf::player->attach (
		1770	on_load => sub {
		1771	my ($pl, $path) = @_;
		1772
		1773	# restore slots saved in save, below
		1774	my $slots = delete $pl->{_slots};
		1775
		1776	$pl->ob->current_weapon ($slots->[0]);
		1777	$pl->combat_ob ($slots->[1]);
		1778	$pl->ranged_ob ($slots->[2]);
		1779	},
		1780	);
		1781
1353	sub save($) {	1782	sub save($) {
1354	my ($pl) = @_;	1783	my ($pl) = @_;
1355		1784
1356	return if $pl->{deny_save};	1785	return if $pl->{deny_save};
1357		1786
…		…
1360		1789
1361	return if $pl->{deny_save};	1790	return if $pl->{deny_save};
1362		1791
1363	aio_mkdir playerdir $pl, 0770;	1792	aio_mkdir playerdir $pl, 0770;
1364	$pl->{last_save} = $cf::RUNTIME;	1793	$pl->{last_save} = $cf::RUNTIME;
		1794
		1795	cf::get_slot 0.01;
		1796
		1797	# save slots, to be restored later
		1798	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1365		1799
1366	$pl->save_pl ($path);	1800	$pl->save_pl ($path);
1367	cf::cede_to_tick;	1801	cf::cede_to_tick;
1368	}	1802	}
1369		1803
…		…
1401	my ($pl) = @_;	1835	my ($pl) = @_;
1402		1836
1403	my $name = $pl->ob->name;	1837	my $name = $pl->ob->name;
1404		1838
1405	$pl->{deny_save} = 1;	1839	$pl->{deny_save} = 1;
1406	$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
1407		1841
1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1842	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1409	$pl->deactivate;	1843	$pl->deactivate;
		1844
		1845	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1410	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1846	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1847	ext::highscore::check ($pl->ob);
		1848
1411	$pl->ns->destroy if $pl->ns;	1849	$pl->ns->destroy if $pl->ns;
1412		1850
1413	my $path = playerdir $pl;	1851	my $path = playerdir $pl;
1414	my $temp = "$path~$cf::RUNTIME~deleting~";	1852	my $temp = "$path~$cf::RUNTIME~deleting~";
1415	aio_rename $path, $temp;	1853	aio_rename $path, $temp;
…		…
1453		1891
1454	for my $login (@$dirs) {	1892	for my $login (@$dirs) {
1455	my $path = path $login;	1893	my $path = path $login;
1456		1894
1457	# a .pst is a dead give-away for a valid player	1895	# a .pst is a dead give-away for a valid player
1458	unless (-e "$path.pst") {	1896	# if no pst file found, open and chekc for blocked users
		1897	if (aio_stat "$path.pst") {
1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1898	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1460	aio_read $fh, 0, 512, my $buf, 0 or next;	1899	aio_read $fh, 0, 512, my $buf, 0 or next;
1461	$buf !~ /^password -------------$/m or next; # official not-valid tag	1900	$buf !~ /^password -------------$/m or next; # official not-valid tag
1462	}	1901	}
1463		1902
…		…
1467		1906
1468	\@logins	1907	\@logins
1469	}	1908	}
1470		1909
1471	=item $player->maps	1910	=item $player->maps
		1911
		1912	=item cf::player::maps $login
1472		1913
1473	Returns an arrayref of map paths that are private for this	1914	Returns an arrayref of map paths that are private for this
1474	player. May block.	1915	player. May block.
1475		1916
1476	=cut	1917	=cut
…		…
1494	}	1935	}
1495		1936
1496	\@paths	1937	\@paths
1497	}	1938	}
1498		1939
1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1940	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1500		1941
1501	Expand crossfire pod fragments into protocol xml.	1942	Expand deliantra pod fragments into protocol xml.
1502
1503	=cut
1504
1505	sub expand_cfpod {
1506	((my $self), (local $_)) = @_;
1507
1508	# escape & and <
1509	s/&/&amp;/g;
1510	s/(?<![BIUGHT])</&lt;/g;
1511
1512	# this is buggy, it needs to properly take care of nested <'s
1513
1514	1 while
1515	# replace B<>, I<>, U<> etc.
1516	s/B<([^\>]*)>/<b>$1<\/b>/
1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1520	# replace G<male|female> tags
1521	|| s{G<([^>|]*)\|([^>]*)>}{
1522	$self->gender ? $2 : $1
1523	}ge
1524	# replace H<hint text>
1525	|| s{H<([^\>]*)>}
1526	{
1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1529	"")
1530	[$self->{hintmode}]
1531	}ge;
1532
1533	# create single paragraphs (very hackish)
1534	s/(?<=\S)\n(?=\w)/ /g;
1535
1536	# compress some whitespace
1537	s/\s+\n/\n/g; # ws line-ends
1538	s/\n\n+/\n/g; # double lines
1539	s/^\n+//; # beginning lines
1540	s/\n+$//; # ending lines
1541
1542	$_
1543	}
1544
1545	sub hintmode {
1546	$_[0]{hintmode} = $_[1] if @_ > 1;
1547	$_[0]{hintmode}
1548	}
1549
1550	=item $player->ext_reply ($msgid, @msg)
1551
1552	Sends an ext reply to the player.
1553
1554	=cut
1555
1556	sub ext_reply($$@) {
1557	my ($self, $id, @msg) = @_;
1558
1559	$self->ns->ext_reply ($id, @msg)
1560	}
1561		1943
1562	=item $player->ext_msg ($type, @msg)	1944	=item $player->ext_msg ($type, @msg)
1563		1945
1564	Sends an ext event to the client.	1946	Sends an ext event to the client.
1565		1947
…		…
1585		1967
1586	=cut	1968	=cut
1587		1969
1588	sub find_by_path($) {	1970	sub find_by_path($) {
1589	my ($path) = @_;	1971	my ($path) = @_;
		1972
		1973	$path =~ s/^~[^\/]*//; # skip ~login
1590		1974
1591	my ($match, $specificity);	1975	my ($match, $specificity);
1592		1976
1593	for my $region (list) {	1977	for my $region (list) {
1594	if ($region->{match} && $path =~ $region->{match}) {	1978	if ($region->{match} && $path =~ $region->{match}) {
…		…
1620	our $MAX_RESET = 3600;	2004	our $MAX_RESET = 3600;
1621	our $DEFAULT_RESET = 3000;	2005	our $DEFAULT_RESET = 3000;
1622		2006
1623	sub generate_random_map {	2007	sub generate_random_map {
1624	my ($self, $rmp) = @_;	2008	my ($self, $rmp) = @_;
1625	# mit "rum" bekleckern, nicht	2009
		2010	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2011
1626	$self->_create_random_map (	2012	$self->_create_random_map ($rmp);
1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1630	$rmp->{exit_on_final_map},
1631	$rmp->{xsize}, $rmp->{ysize},
1632	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1633	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1634	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1635	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1637	(cf::region::find $rmp->{region}), $rmp->{custom}
1638	)
1639	}	2013	}
1640		2014
1641	=item cf::map->register ($regex, $prio)	2015	=item cf::map->register ($regex, $prio)
1642		2016
1643	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
…		…
1648		2022
1649	sub register {	2023	sub register {
1650	my (undef, $regex, $prio) = @_;	2024	my (undef, $regex, $prio) = @_;
1651	my $pkg = caller;	2025	my $pkg = caller;
1652		2026
1653	no strict;
1654	push @{"$pkg\::ISA"}, __PACKAGE__;	2027	push @{"$pkg\::ISA"}, __PACKAGE__;
1655		2028
1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2029	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1657	}	2030	}
1658		2031
1659	# also paths starting with '/'	2032	# also paths starting with '/'
1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2033	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1661		2034
1662	sub thawer_merge {	2035	sub thawer_merge {
1663	my ($self, $merge) = @_;	2036	my ($self, $merge) = @_;
1664		2037
1665	# we have to keep some variables in memory intact	2038	# we have to keep some variables in memory intact
…		…
1670	}	2043	}
1671		2044
1672	sub normalise {	2045	sub normalise {
1673	my ($path, $base) = @_;	2046	my ($path, $base) = @_;
1674		2047
1675	$path = "$path"; # make sure its a string	2048	$path = "$path"; # make sure it's a string
1676		2049
1677	$path =~ s/\.map$//;	2050	$path =~ s/\.map$//;
1678		2051
1679	# map plan:	2052	# map plan:
1680	#	2053	#
…		…
1695	$base =~ s{[^/]+/?$}{};	2068	$base =~ s{[^/]+/?$}{};
1696	$path = "$base/$path";	2069	$path = "$base/$path";
1697	}	2070	}
1698		2071
1699	for ($path) {	2072	for ($path) {
1700	redo if s{//}{/};
1701	redo if s{/\.?/}{/};	2073	redo if s{/\.?/}{/};
1702	redo if s{/[^/]+/\.\./}{/};	2074	redo if s{/[^/]+/\.\./}{/};
1703	}	2075	}
1704		2076
1705	$path	2077	$path
…		…
1719	$self->init; # pass $1 etc.	2091	$self->init; # pass $1 etc.
1720	return $self;	2092	return $self;
1721	}	2093	}
1722	}	2094	}
1723		2095
1724	Carp::cluck "unable to resolve path '$path' (base '$base').";	2096	Carp::cluck "unable to resolve path '$path' (base '$base')";
1725	()	2097	()
1726	}	2098	}
1727		2099
		2100	# may re-bless or do other evil things
1728	sub init {	2101	sub init {
1729	my ($self) = @_;	2102	my ($self) = @_;
1730		2103
1731	$self	2104	$self
1732	}	2105	}
…		…
1751		2124
1752	# the temporary/swap location	2125	# the temporary/swap location
1753	sub save_path {	2126	sub save_path {
1754	my ($self) = @_;	2127	my ($self) = @_;
1755		2128
1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2129	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1757	"$TMPDIR/$path.map"	2130	"$TMPDIR/$path.map"
1758	}	2131	}
1759		2132
1760	# the unique path, undef == no special unique path	2133	# the unique path, undef == no special unique path
1761	sub uniq_path {	2134	sub uniq_path {
1762	my ($self) = @_;	2135	my ($self) = @_;
1763		2136
1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2137	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1765	"$UNIQUEDIR/$path"	2138	"$UNIQUEDIR/$path"
1766	}
1767
1768	# and all this just because we cannot iterate over
1769	# all maps in C++...
1770	sub change_all_map_light {
1771	my ($change) = @_;
1772
1773	$_->change_map_light ($change)
1774	for grep $_->outdoor, values %cf::MAP;
1775	}	2139	}
1776		2140
1777	sub decay_objects {	2141	sub decay_objects {
1778	my ($self) = @_;	2142	my ($self) = @_;
1779		2143
…		…
1806	$self->{load_path} = $path;	2170	$self->{load_path} = $path;
1807		2171
1808	1	2172	1
1809	}	2173	}
1810		2174
		2175	# used to laod the header of an original map
1811	sub load_header_orig {	2176	sub load_header_orig {
1812	my ($self) = @_;	2177	my ($self) = @_;
1813		2178
1814	$self->load_header_from ($self->load_path)	2179	$self->load_header_from ($self->load_path)
1815	}	2180	}
1816		2181
		2182	# used to laod the header of an instantiated map
1817	sub load_header_temp {	2183	sub load_header_temp {
1818	my ($self) = @_;	2184	my ($self) = @_;
1819		2185
1820	$self->load_header_from ($self->save_path)	2186	$self->load_header_from ($self->save_path)
1821	}	2187	}
1822		2188
		2189	# called after loading the header from an instantiated map
1823	sub prepare_temp {	2190	sub prepare_temp {
1824	my ($self) = @_;	2191	my ($self) = @_;
1825		2192
1826	$self->last_access ((delete $self->{last_access})	2193	$self->last_access ((delete $self->{last_access})
1827	|| $cf::RUNTIME); #d#	2194	|| $cf::RUNTIME); #d#
1828	# safety	2195	# safety
1829	$self->{instantiate_time} = $cf::RUNTIME	2196	$self->{instantiate_time} = $cf::RUNTIME
1830	if $self->{instantiate_time} > $cf::RUNTIME;	2197	if $self->{instantiate_time} > $cf::RUNTIME;
1831	}	2198	}
1832		2199
		2200	# called after loading the header from an original map
1833	sub prepare_orig {	2201	sub prepare_orig {
1834	my ($self) = @_;	2202	my ($self) = @_;
1835		2203
1836	$self->{load_original} = 1;	2204	$self->{load_original} = 1;
1837	$self->{instantiate_time} = $cf::RUNTIME;	2205	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1861		2229
1862	sub find;	2230	sub find;
1863	sub find {	2231	sub find {
1864	my ($path, $origin) = @_;	2232	my ($path, $origin) = @_;
1865		2233
		2234	cf::cede_to_tick;
		2235
1866	$path = normalise $path, $origin && $origin->path;	2236	$path = normalise $path, $origin;
1867		2237
1868	cf::lock_wait "map_data:$path";#d#remove	2238	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1869	cf::lock_wait "map_find:$path";	2239	my $guard2 = cf::lock_acquire "map_find:$path";
1870		2240
1871	$cf::MAP{$path} || do {	2241	$cf::MAP{$path} || do {
1872	my $guard1 = cf::lock_acquire "map_find:$path";
1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1874
1875	my $map = new_from_path cf::map $path	2242	my $map = new_from_path cf::map $path
1876	or return;	2243	or return;
1877		2244
1878	$map->{last_save} = $cf::RUNTIME;	2245	$map->{last_save} = $cf::RUNTIME;
1879		2246
…		…
1881	or return;	2248	or return;
1882		2249
1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2250	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1884	# doing this can freeze the server in a sync job, obviously	2251	# doing this can freeze the server in a sync job, obviously
1885	#$cf::WAIT_FOR_TICK->wait;	2252	#$cf::WAIT_FOR_TICK->wait;
		2253	undef $guard2;
1886	undef $guard1;	2254	undef $guard1;
1887	undef $guard2;
1888	$map->reset;	2255	$map->reset;
1889	return find $path;	2256	return find $path;
1890	}	2257	}
1891		2258
1892	$cf::MAP{$path} = $map	2259	$cf::MAP{$path} = $map
1893	}	2260	}
1894	}	2261	}
1895		2262
1896	sub pre_load { }	2263	sub pre_load { }
1897	sub post_load { }	2264	#sub post_load { } # XS
1898		2265
1899	sub load {	2266	sub load {
1900	my ($self) = @_;	2267	my ($self) = @_;
1901		2268
1902	local $self->{deny_reset} = 1; # loading can take a long time	2269	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1905		2272
1906	{	2273	{
1907	my $guard = cf::lock_acquire "map_data:$path";	2274	my $guard = cf::lock_acquire "map_data:$path";
1908		2275
1909	return unless $self->valid;	2276	return unless $self->valid;
1910	return unless $self->in_memory == cf::MAP_SWAPPED;	2277	return unless $self->state == cf::MAP_SWAPPED;
1911
1912	$self->in_memory (cf::MAP_LOADING);
1913		2278
1914	$self->alloc;	2279	$self->alloc;
1915		2280
1916	$self->pre_load;	2281	$self->pre_load;
1917	cf::cede_to_tick;	2282	cf::cede_to_tick;
1918		2283
		2284	if (exists $self->{load_path}) {
1919	my $f = new_from_file cf::object::thawer $self->{load_path};	2285	my $f = new_from_file cf::object::thawer $self->{load_path};
1920	$f->skip_block;	2286	$f->skip_block;
1921	$self->_load_objects ($f)	2287	$self->_load_objects ($f)
1922	or return;	2288	or return;
1923		2289
1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2290	$self->post_load_original
1925	if delete $self->{load_original};	2291	if delete $self->{load_original};
1926		2292
1927	if (my $uniq = $self->uniq_path) {	2293	if (my $uniq = $self->uniq_path) {
1928	utf8::encode $uniq;	2294	utf8::encode $uniq;
1929	unless (aio_stat $uniq) {	2295	unless (aio_stat $uniq) {
1930	if (my $f = new_from_file cf::object::thawer $uniq) {	2296	if (my $f = new_from_file cf::object::thawer $uniq) {
1931	$self->clear_unique_items;	2297	$self->clear_unique_items;
1932	$self->_load_objects ($f);	2298	$self->_load_objects ($f);
1933	$f->resolve_delayed_derefs;	2299	$f->resolve_delayed_derefs;
		2300	}
1934	}	2301	}
1935	}	2302	}
1936	}
1937		2303
1938	$f->resolve_delayed_derefs;	2304	$f->resolve_delayed_derefs;
		2305	} else {
		2306	$self->post_load_original
		2307	if delete $self->{load_original};
		2308	}
		2309
		2310	$self->state (cf::MAP_INACTIVE);
1939		2311
1940	cf::cede_to_tick;	2312	cf::cede_to_tick;
1941	# now do the right thing for maps	2313	# now do the right thing for maps
1942	$self->link_multipart_objects;	2314	$self->link_multipart_objects;
1943	$self->difficulty ($self->estimate_difficulty)	2315	$self->difficulty ($self->estimate_difficulty)
…		…
1947	unless ($self->{deny_activate}) {	2319	unless ($self->{deny_activate}) {
1948	$self->decay_objects;	2320	$self->decay_objects;
1949	$self->fix_auto_apply;	2321	$self->fix_auto_apply;
1950	$self->update_buttons;	2322	$self->update_buttons;
1951	cf::cede_to_tick;	2323	cf::cede_to_tick;
1952	$self->set_darkness_map;	2324	#$self->activate; # no longer activate maps automatically
1953	cf::cede_to_tick;
1954	$self->activate;
1955	}	2325	}
1956		2326
1957	$self->{last_save} = $cf::RUNTIME;	2327	$self->{last_save} = $cf::RUNTIME;
1958	$self->last_access ($cf::RUNTIME);	2328	$self->last_access ($cf::RUNTIME);
1959
1960	$self->in_memory (cf::MAP_IN_MEMORY);
1961	}	2329	}
1962		2330
1963	$self->post_load;	2331	$self->post_load;
1964	}
1965		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
1966	sub customise_for {	2339	sub customise_for {
1967	my ($self, $ob) = @_;	2340	my ($self, $ob) = @_;
1968		2341
1969	return find "~" . $ob->name . "/" . $self->{path}	2342	return find "~" . $ob->name . "/" . $self->{path}
1970	if $self->per_player;	2343	if $self->per_player;
…		…
1973	# if $self->per_party;	2346	# if $self->per_party;
1974		2347
1975	$self	2348	$self
1976	}	2349	}
1977		2350
1978	# find and load all maps in the 3x3 area around a map
1979	sub load_neighbours {
1980	my ($map) = @_;
1981
1982	my @neigh; # diagonal neighbours
1983
1984	for (0 .. 3) {
1985	my $neigh = $map->tile_path ($_)
1986	or next;
1987	$neigh = find $neigh, $map
1988	or next;
1989	$neigh->load;
1990
1991	push @neigh,
1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1994	}
1995
1996	for (grep defined $_->[0], @neigh) {
1997	my ($path, $origin) = @$_;
1998	my $neigh = find $path, $origin
1999	or next;
2000	$neigh->load;
2001	}
2002	}
2003
2004	sub find_sync {	2351	sub find_sync {
2005	my ($path, $origin) = @_;	2352	my ($path, $origin) = @_;
2006		2353
2007	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
2008	}	2359	}
2009		2360
2010	sub do_load_sync {	2361	sub do_load_sync {
2011	my ($map) = @_;	2362	my ($map) = @_;
2012		2363
		2364	# it's a bug to call this from the main context
2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2365	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2014	if $Coro::current == $Coro::main;	2366	if $Coro::current == $Coro::main;
2015		2367
2016	cf::sync_job { $map->load };	2368	$map->load;
2017	}	2369	}
2018		2370
2019	our %MAP_PREFETCH;	2371	our %MAP_PREFETCH;
2020	our $MAP_PREFETCHER = undef;	2372	our $MAP_PREFETCHER = undef;
2021		2373
2022	sub find_async {	2374	sub find_async {
2023	my ($path, $origin, $load) = @_;	2375	my ($path, $origin, $load) = @_;
2024		2376
2025	$path = normalise $path, $origin && $origin->{path};	2377	$path = normalise $path, $origin;
2026		2378
2027	if (my $map = $cf::MAP{$path}) {	2379	if (my $map = $cf::MAP{$path}) {
2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2380	return $map if !$load || $map->linkable;
2029	}	2381	}
2030		2382
2031	$MAP_PREFETCH{$path} |= $load;	2383	$MAP_PREFETCH{$path} |= $load;
2032		2384
2033	$MAP_PREFETCHER ||= cf::async {	2385	$MAP_PREFETCHER ||= cf::async {
		2386	$Coro::current->{desc} = "map prefetcher";
		2387
2034	while (%MAP_PREFETCH) {	2388	while (%MAP_PREFETCH) {
2035	while (my ($k, $v) = each %MAP_PREFETCH) {	2389	while (my ($k, $v) = each %MAP_PREFETCH) {
2036	if (my $map = find $k) {	2390	if (my $map = find $k) {
2037	$map->load if $v;	2391	$map->load if $v;
2038	}	2392	}
…		…
2045	$MAP_PREFETCHER->prio (6);	2399	$MAP_PREFETCHER->prio (6);
2046		2400
2047	()	2401	()
2048	}	2402	}
2049		2403
		2404	# common code, used by both ->save and ->swapout
2050	sub save {	2405	sub _save {
2051	my ($self) = @_;	2406	my ($self) = @_;
2052
2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
2054		2407
2055	$self->{last_save} = $cf::RUNTIME;	2408	$self->{last_save} = $cf::RUNTIME;
2056		2409
2057	return unless $self->dirty;	2410	return unless $self->dirty;
2058		2411
…		…
2064	return if $self->{deny_save};	2417	return if $self->{deny_save};
2065		2418
2066	local $self->{last_access} = $self->last_access;#d#	2419	local $self->{last_access} = $self->last_access;#d#
2067		2420
2068	cf::async {	2421	cf::async {
		2422	$Coro::current->{desc} = "map player save";
2069	$_->contr->save for $self->players;	2423	$_->contr->save for $self->players;
2070	};	2424	};
		2425
		2426	cf::get_slot 0.02;
2071		2427
2072	if ($uniq) {	2428	if ($uniq) {
2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2429	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2430	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2075	} else {	2431	} else {
2076	$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);
2077	}	2433	}
2078	}	2434	}
2079		2435
		2436	sub save {
		2437	my ($self) = @_;
		2438
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
		2441	$self->_save;
		2442	}
		2443
2080	sub swap_out {	2444	sub swap_out {
2081	my ($self) = @_;	2445	my ($self) = @_;
2082		2446
2083	# save first because save cedes
2084	$self->save;
2085
2086	my $lock = cf::lock_acquire "map_data:$self->{path}";	2447	my $lock = cf::lock_acquire "map_data:$self->{path}";
2087		2448
		2449	return if !$self->linkable;
		2450	return if $self->{deny_save};
2088	return if $self->players;	2451	return if $self->players;
2089	return if $self->in_memory != cf::MAP_IN_MEMORY;	2452
		2453	# first deactivate the map and "unlink" it from the core
		2454	$self->deactivate;
		2455	$_->clear_links_to ($self) for values %cf::MAP;
		2456	$self->state (cf::MAP_SWAPPED);
		2457
		2458	# then atomically save
		2459	$self->_save;
		2460
		2461	# then free the map
		2462	$self->clear;
		2463	}
		2464
		2465	sub reset_at {
		2466	my ($self) = @_;
		2467
		2468	# TODO: safety, remove and allow resettable per-player maps
2090	return if $self->{deny_save};	2469	return 1e99 if $self->{deny_reset};
2091		2470
		2471	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2472	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2473
		2474	$time + $to
		2475	}
		2476
		2477	sub should_reset {
		2478	my ($self) = @_;
		2479
		2480	$self->reset_at <= $cf::RUNTIME
		2481	}
		2482
		2483	sub reset {
		2484	my ($self) = @_;
		2485
		2486	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2487
		2488	return if $self->players;
		2489
		2490	cf::trace "resetting map ", $self->path, "\n";
		2491
2092	$self->in_memory (cf::MAP_SWAPPED);	2492	$self->state (cf::MAP_SWAPPED);
		2493
		2494	# need to save uniques path
		2495	unless ($self->{deny_save}) {
		2496	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2497
		2498	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2499	if $uniq;
		2500	}
		2501
		2502	delete $cf::MAP{$self->path};
2093		2503
2094	$self->deactivate;	2504	$self->deactivate;
2095	$_->clear_links_to ($self) for values %cf::MAP;	2505	$_->clear_links_to ($self) for values %cf::MAP;
2096	$self->clear;	2506	$self->clear;
2097	}
2098
2099	sub reset_at {
2100	my ($self) = @_;
2101
2102	# TODO: safety, remove and allow resettable per-player maps
2103	return 1e99 if $self->{deny_reset};
2104
2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2107
2108	$time + $to
2109	}
2110
2111	sub should_reset {
2112	my ($self) = @_;
2113
2114	$self->reset_at <= $cf::RUNTIME
2115	}
2116
2117	sub reset {
2118	my ($self) = @_;
2119
2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
2121
2122	return if $self->players;
2123
2124	warn "resetting map ", $self->path;
2125
2126	$self->in_memory (cf::MAP_SWAPPED);
2127
2128	# need to save uniques path
2129	unless ($self->{deny_save}) {
2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
2131
2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2133	if $uniq;
2134	}
2135
2136	delete $cf::MAP{$self->path};
2137
2138	$self->deactivate;
2139	$_->clear_links_to ($self) for values %cf::MAP;
2140	$self->clear;
2141		2507
2142	$self->unlink_save;	2508	$self->unlink_save;
2143	$self->destroy;	2509	$self->destroy;
2144	}	2510	}
2145		2511
…		…
2153		2519
2154	delete $cf::MAP{$self->path};	2520	delete $cf::MAP{$self->path};
2155		2521
2156	$self->unlink_save;	2522	$self->unlink_save;
2157		2523
2158	bless $self, "cf::map";	2524	bless $self, "cf::map::wrap";
2159	delete $self->{deny_reset};	2525	delete $self->{deny_reset};
2160	$self->{deny_save} = 1;	2526	$self->{deny_save} = 1;
2161	$self->reset_timeout (1);	2527	$self->reset_timeout (1);
2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2528	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2163		2529
…		…
2212		2578
2213	sub unique_maps() {	2579	sub unique_maps() {
2214	[	2580	[
2215	map {	2581	map {
2216	utf8::decode $_;	2582	utf8::decode $_;
2217	/\.map$/	2583	s/\.map$//; # TODO future compatibility hack
		2584	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2585	? ()
2218	? normalise $_	2586	: normalise $_
2219	: ()
2220	} @{ aio_readdir $UNIQUEDIR or [] }	2587	} @{ aio_readdir $UNIQUEDIR or [] }
2221	]	2588	]
2222	}	2589	}
2223		2590
2224	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	}
2225		2622
2226	=back	2623	=back
2227		2624
2228	=head3 cf::object	2625	=head3 cf::object
2229		2626
…		…
2233		2630
2234	=over 4	2631	=over 4
2235		2632
2236	=item $ob->inv_recursive	2633	=item $ob->inv_recursive
2237		2634
2238	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.
2239		2637
2240	=cut	2638	=cut
2241		2639
2242	sub inv_recursive_;	2640	sub inv_recursive_;
2243	sub inv_recursive_ {	2641	sub inv_recursive_ {
…		…
2248	inv_recursive_ inv $_[0]	2646	inv_recursive_ inv $_[0]
2249	}	2647	}
2250		2648
2251	=item $ref = $ob->ref	2649	=item $ref = $ob->ref
2252		2650
2253	creates and returns a persistent reference to an objetc that can be stored as a string.	2651	Creates and returns a persistent reference to an object that can be stored as a string.
2254		2652
2255	=item $ob = cf::object::deref ($refstring)	2653	=item $ob = cf::object::deref ($refstring)
2256		2654
2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2655	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2258	even if the object actually exists. May block.	2656	even if the object actually exists. May block.
2259		2657
2260	=cut	2658	=cut
2261		2659
2262	sub deref {	2660	sub deref {
2263	my ($ref) = @_;	2661	my ($ref) = @_;
2264		2662
2265	# temporary compatibility#TODO#remove
2266	$ref =~ s{^<}{player/<};
2267
2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2663	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2269	my ($uuid, $name) = ($1, $2);	2664	my ($uuid, $name) = ($1, $2);
2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2665	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2271	or return;	2666	or return;
2272	$pl->ob->uuid eq $uuid	2667	$pl->ob->uuid eq $uuid
2273	or return;	2668	or return;
…		…
2293	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
2294	dialogue with the given NPC character.	2689	dialogue with the given NPC character.
2295		2690
2296	=cut	2691	=cut
2297		2692
		2693	our $SAY_CHANNEL = {
		2694	id => "say",
		2695	title => "Map",
		2696	reply => "say ",
		2697	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2698	};
		2699
		2700	our $CHAT_CHANNEL = {
		2701	id => "chat",
		2702	title => "Chat",
		2703	reply => "chat ",
		2704	tooltip => "Player chat and shouts, global to the server.",
		2705	};
		2706
2298	# rough implementation of a future "reply" method that works	2707	# rough implementation of a future "reply" method that works
2299	# with dialog boxes.	2708	# with dialog boxes.
2300	#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
2301	sub cf::object::player::reply($$$;$) {	2710	sub cf::object::player::reply($$$;$) {
2302	my ($self, $npc, $msg, $flags) = @_;	2711	my ($self, $npc, $msg, $flags) = @_;
…		…
2313	my $dialog = $pl->{npc_dialog};	2722	my $dialog = $pl->{npc_dialog};
2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2723	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2315		2724
2316	} else {	2725	} else {
2317	$msg = $npc->name . " says: $msg" if $npc;	2726	$msg = $npc->name . " says: $msg" if $npc;
2318	$self->message ($msg, $flags);	2727	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2319	}	2728	}
2320	}	2729	}
2321	}	2730	}
2322		2731
2323	=item $object->send_msg ($channel, $msg, $color, [extra...])	2732	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2333	=item $player_object->may ("access")	2742	=item $player_object->may ("access")
2334		2743
2335	Returns wether the given player is authorized to access resource "access"	2744	Returns wether the given player is authorized to access resource "access"
2336	(e.g. "command_wizcast").	2745	(e.g. "command_wizcast").
2337		2746
		2747	This is implemented by checking a config setting of C<may_access> where
		2748	C<access> is replaced by the access string. The following alternatives are
		2749	possible (and are tested in order):
		2750
		2751	=over 4
		2752
		2753	=item * Player is DM
		2754
		2755	The request will succeed.
		2756
		2757	=item * may_access is an array reference
		2758
		2759	If either the player nickname or UUID is in the array, the request will
		2760	succeed, otherwise it will fail.
		2761
		2762	=item * may_access is a true value
		2763
		2764	The request will succeed.
		2765
		2766	=item * may_access is missing or false
		2767
		2768	The request will fail.
		2769
		2770	=back
		2771
2338	=cut	2772	=cut
2339		2773
2340	sub cf::object::player::may {	2774	sub cf::object::player::may {
2341	my ($self, $access) = @_;	2775	my ($self, $access) = @_;
2342		2776
2343	$self->flag (cf::FLAG_WIZ) ||	2777	$self->flag (cf::FLAG_WIZ) ||
2344	(ref $cf::CFG{"may_$access"}	2778	(ref $cf::CFG{"may_$access"}
2345	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2779	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2346	: $cf::CFG{"may_$access"})	2780	: $cf::CFG{"may_$access"})
2347	}	2781	}
2348		2782
2349	=item $player_object->enter_link	2783	=item $player_object->enter_link
2350		2784
2351	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}>).
2352		2786
2353	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.
2354	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.
2355		2791
2356	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.
2357		2799
2358	=item $player_object->leave_link ($map, $x, $y)	2800	=item $player_object->leave_link ($map, $x, $y)
2359		2801
2360	Moves the player out of the special C<{link}> map onto the specified	2802	Moves the player out of the special C<{link}> map onto the specified
2361	map. If the map is not valid (or omitted), the player will be moved back	2803	map. If the map is not valid (or omitted), the player will be moved back
…		…
2379	sub cf::object::player::enter_link {	2821	sub cf::object::player::enter_link {
2380	my ($self) = @_;	2822	my ($self) = @_;
2381		2823
2382	$self->deactivate_recursive;	2824	$self->deactivate_recursive;
2383		2825
		2826	++$self->{_link_recursion};
		2827
2384	return if UNIVERSAL::isa $self->map, "ext::map_link";	2828	return if UNIVERSAL::isa $self->map, "ext::map_link";
2385		2829
2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2830	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2387	if $self->map && $self->map->{path} ne "{link}";	2831	if $self->map && $self->map->{path} ne "{link}";
2388		2832
2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2833	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2390	}	2834	}
2391		2835
2392	sub cf::object::player::leave_link {	2836	sub cf::object::player::leave_link {
2393	my ($self, $map, $x, $y) = @_;	2837	my ($self, $map, $x, $y) = @_;
2394		2838
…		…
2411	($x, $y) = (-1, -1)	2855	($x, $y) = (-1, -1)
2412	unless (defined $x) && (defined $y);	2856	unless (defined $x) && (defined $y);
2413		2857
2414	# use -1 or undef as default coordinates, not 0, 0	2858	# use -1 or undef as default coordinates, not 0, 0
2415	($x, $y) = ($map->enter_x, $map->enter_y)	2859	($x, $y) = ($map->enter_x, $map->enter_y)
2416	if $x <=0 && $y <= 0;	2860	if $x <= 0 && $y <= 0;
2417		2861
2418	$map->load;	2862	$map->load;
2419	$map->load_neighbours;
2420		2863
2421	return unless $self->contr->active;	2864	return unless $self->contr->active;
2422	$self->activate_recursive;
2423		2865
2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2866	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2425	$self->enter_map ($map, $x, $y);	2867	if ($self->enter_map ($map, $x, $y)) {
2426	}	2868	# entering was successful
		2869	delete $self->{_link_recursion};
		2870	# only activate afterwards, to support waiting in hooks
		2871	$self->activate_recursive;
		2872	}
2427		2873
		2874	}
		2875
2428	=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)]])
2429		2877
2430	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
2431	her, loading and preparing them map, calling the provided $check callback	2879	her, loading and preparing them map, calling the provided $check callback
2432	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
2433	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
2434	be called at the end of this process.	2882	be called at the end of this process.
2435		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
2436	=cut	2887	=cut
2437		2888
2438	our $GOTOGEN;	2889	our $GOTOGEN;
2439		2890
2440	sub cf::object::player::goto {	2891	sub cf::object::player::goto {
2441	my ($self, $path, $x, $y, $check, $done) = @_;	2892	my ($self, $path, $x, $y, $check, $done) = @_;
2442		2893
		2894	if ($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
2443	# 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
2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2901	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2445		2902
2446	$self->enter_link;	2903	$self->enter_link;
2447		2904
2448	(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
2449	my $map = eval {	2927	my $map = eval {
2450	my $map = cf::map::find $path;	2928	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2451		2929
2452	if ($map) {	2930	if ($map) {
2453	$map = $map->customise_for ($self);	2931	$map = $map->customise_for ($self);
2454	$map = $check->($map) if $check && $map;	2932	$map = $check->($map, $x, $y, $self) if $check && $map;
2455	} else {	2933	} else {
2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2934	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2457	}	2935	}
2458		2936
2459	$map	2937	$map
2460	};	2938	};
2461		2939
…		…
2467	if ($gen == $self->{_goto_generation}) {	2945	if ($gen == $self->{_goto_generation}) {
2468	delete $self->{_goto_generation};	2946	delete $self->{_goto_generation};
2469	$self->leave_link ($map, $x, $y);	2947	$self->leave_link ($map, $x, $y);
2470	}	2948	}
2471		2949
2472	$done->() if $done;	2950	$done->($self) if $done;
2473	})->prio (1);	2951	})->prio (1);
2474	}	2952	}
2475		2953
2476	=item $player_object->enter_exit ($exit_object)	2954	=item $player_object->enter_exit ($exit_object)
2477		2955
…		…
2497	}	2975	}
2498		2976
2499	sub prepare_random_map {	2977	sub prepare_random_map {
2500	my ($exit) = @_;	2978	my ($exit) = @_;
2501		2979
2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
2503
2504	# all this does is basically replace the /! path by	2980	# all this does is basically replace the /! path by
2505	# a new random map path (?random/...) with a seed	2981	# a new random map path (?random/...) with a seed
2506	# that depends on the exit object	2982	# that depends on the exit object
2507		2983
2508	my $rmp = parse_random_map_params $exit->msg;	2984	my $rmp = parse_random_map_params $exit->msg;
…		…
2510	if ($exit->map) {	2986	if ($exit->map) {
2511	$rmp->{region} = $exit->region->name;	2987	$rmp->{region} = $exit->region->name;
2512	$rmp->{origin_map} = $exit->map->path;	2988	$rmp->{origin_map} = $exit->map->path;
2513	$rmp->{origin_x} = $exit->x;	2989	$rmp->{origin_x} = $exit->x;
2514	$rmp->{origin_y} = $exit->y;	2990	$rmp->{origin_y} = $exit->y;
		2991
		2992	$exit->map->touch;
2515	}	2993	}
2516		2994
2517	$rmp->{random_seed} ||= $exit->random_seed;	2995	$rmp->{random_seed} ||= $exit->random_seed;
2518		2996
2519	my $data = cf::to_json $rmp;	2997	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2520	my $md5 = Digest::MD5::md5_hex $data;	2998	my $md5 = Digest::MD5::md5_hex $data;
2521	my $meta = "$RANDOMDIR/$md5.meta";	2999	my $meta = "$RANDOMDIR/$md5.meta";
2522		3000
2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3001	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2524	aio_write $fh, 0, (length $data), $data, 0;	3002	aio_write $fh, 0, (length $data), $data, 0;
2525	undef $fh;	3003	undef $fh;
2526	aio_rename "$meta~", $meta;	3004	aio_rename "$meta~", $meta;
2527		3005
		3006	my $slaying = "?random/$md5";
		3007
		3008	if ($exit->valid) {
2528	$exit->slaying ("?random/$md5");	3009	$exit->slaying ("?random/$md5");
2529	$exit->msg (undef);	3010	$exit->msg (undef);
		3011	}
2530	}	3012	}
2531	}	3013	}
2532		3014
2533	sub cf::object::player::enter_exit {	3015	sub cf::object::player::enter_exit {
2534	my ($self, $exit) = @_;	3016	my ($self, $exit) = @_;
2535		3017
2536	return unless $self->type == cf::PLAYER;	3018	return unless $self->type == cf::PLAYER;
2537		3019
2538	if ($exit->slaying eq "/!") {
2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
2540	# the problem is that $exit might not survive long enough
2541	# so it needs to be done right now, right here
2542	cf::sync_job { prepare_random_map $exit };
2543	}
2544
2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2546	my $hp = $exit->stats->hp;
2547	my $sp = $exit->stats->sp;
2548
2549	$self->enter_link;	3020	$self->enter_link;
2550		3021
2551	# if exit is damned, update players death & WoR home-position
2552	$self->contr->savebed ($slaying, $hp, $sp)
2553	if $exit->flag (FLAG_DAMNED);
2554
2555	(async {	3022	(async {
2556	$self->deactivate_recursive; # just to be sure	3023	$Coro::current->{desc} = "enter_exit";
		3024
2557	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
2558	$self->goto ($slaying, $hp, $sp);	3055	$self->goto ($map, $x, $y);
2559		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
2560	1;	3061	1
2561	}) {	3062	}) {
2562	$self->message ("Something went wrong deep within the crossfire server. "	3063	$self->message ("Something went wrong deep within the deliantra server. "
2563	. "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. "
2564	. "Please report this to the dungeon master!",	3065	. "Please report this to the dungeon master!",
2565	cf::NDI_UNIQUE | cf::NDI_RED);	3066	cf::NDI_UNIQUE | cf::NDI_RED);
2566		3067
2567	warn "ERROR in enter_exit: $@";	3068	error "ERROR in enter_exit: $@";
2568	$self->leave_link;	3069	$self->leave_link;
2569	}	3070	}
2570	})->prio (1);	3071	})->prio (1);
2571	}	3072	}
2572		3073
2573	=head3 cf::client	3074	=head3 cf::client
2574		3075
2575	=over 4	3076	=over 4
2576		3077
2577	=item $client->send_drawinfo ($text, $flags)	3078	=item $client->send_big_packet ($pkt)
2578		3079
2579	Sends a drawinfo packet to the client. Circumvents output buffering so	3080	Like C<send_packet>, but tries to compress large packets, and fragments
2580	should not be used under normal circumstances.	3081	them as required.
2581		3082
2582	=cut	3083	=cut
2583		3084
		3085	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3086
2584	sub cf::client::send_drawinfo {	3087	sub cf::client::send_big_packet {
2585	my ($self, $text, $flags) = @_;	3088	my ($self, $pkt) = @_;
2586		3089
2587	utf8::encode $text;	3090	# try lzf for large packets
2588	$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);
2589	}	3101	}
2590		3102
2591	=item $client->send_msg ($channel, $msg, $color, [extra...])	3103	=item $client->send_msg ($channel, $msg, $color, [extra...])
2592		3104
2593	Send a drawinfo or msg packet to the client, formatting the msg for the	3105	Send a msg packet to the client, formatting the msg for the client if
2594	client if neccessary. C<$type> should be a string identifying the type of	3106	necessary. C<$type> should be a string identifying the type of the
2595	the message, with C<log> being the default. If C<$color> is negative, suppress	3107	message, with C<log> being the default. If C<$color> is negative, suppress
2596	the message unless the client supports the msg packet.	3108	the message unless the client supports the msg packet.
2597		3109
2598	=cut	3110	=cut
2599		3111
		3112	# non-persistent channels (usually the info channel)
2600	our %CHANNEL = (	3113	our %CHANNEL = (
		3114	"c/motd" => {
		3115	id => "infobox",
		3116	title => "MOTD",
		3117	reply => undef,
		3118	tooltip => "The message of the day",
		3119	},
2601	"c/identify" => {	3120	"c/identify" => {
2602	id => "identify",	3121	id => "infobox",
2603	title => "Identify",	3122	title => "Identify",
2604	reply => undef,	3123	reply => undef,
2605	tooltip => "Items recently identified",	3124	tooltip => "Items recently identified",
2606	},	3125	},
2607	"c/examine" => {	3126	"c/examine" => {
2608	id => "examine",	3127	id => "infobox",
2609	title => "Examine",	3128	title => "Examine",
2610	reply => undef,	3129	reply => undef,
2611	tooltip => "Signs and other items you examined",	3130	tooltip => "Signs and other items you examined",
2612	},	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" => $CHAT_CHANNEL,
2613	);	3230	);
2614		3231
2615	sub cf::client::send_msg {	3232	sub cf::client::send_msg {
2616	my ($self, $channel, $msg, $color, @extra) = @_;	3233	my ($self, $channel, $msg, $color, @extra) = @_;
2617		3234
2618	$msg = $self->pl->expand_cfpod ($msg);	3235	$msg = $self->pl->expand_cfpod ($msg)
		3236	unless $color & cf::NDI_VERBATIM;
2619		3237
2620	$color &= cf::NDI_CLIENT_MASK; # just in case...	3238	$color &= cf::NDI_CLIENT_MASK; # just in case...
2621		3239
2622	# check predefined channels, for the benefit of C	3240	# check predefined channels, for the benefit of C
2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3241	if ($CHANNEL{$channel}) {
		3242	$channel = $CHANNEL{$channel};
2624		3243
		3244	$self->ext_msg (channel_info => $channel);
		3245	$channel = $channel->{id};
		3246
2625	if (ref $channel) {	3247	} elsif (ref $channel) {
2626	# send meta info to client, if not yet sent	3248	# send meta info to client, if not yet sent
2627	unless (exists $self->{channel}{$channel->{id}}) {	3249	unless (exists $self->{channel}{$channel->{id}}) {
2628	$self->{channel}{$channel->{id}} = $channel;	3250	$self->{channel}{$channel->{id}} = $channel;
2629	$self->ext_msg (channel_info => $channel)	3251	$self->ext_msg (channel_info => $channel);
2630	if $self->can_msg;
2631	}	3252	}
2632		3253
2633	$channel = $channel->{id};	3254	$channel = $channel->{id};
2634	}	3255	}
2635		3256
2636	return unless @extra || length $msg;	3257	return unless @extra || length $msg;
2637		3258
2638	if ($self->can_msg) {
2639	# default colour, mask it out	3259	# default colour, mask it out
2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3260	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2641	if $color & cf::NDI_DEF;	3261	if $color & cf::NDI_DEF;
2642		3262
2643	$self->send_packet ("msg " . $self->{json_coder}->encode (	3263	my $pkt = "msg "
		3264	. $self->{json_coder}->encode (
2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3265	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2645	} else {	3266	);
2646	if ($color >= 0) {
2647	# replace some tags by gcfclient-compatible ones
2648	for ($msg) {
2649	1 while
2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2655	}
2656		3267
2657	$color &= cf::NDI_COLOR_MASK;	3268	$self->send_big_packet ($pkt);
2658
2659	utf8::encode $msg;
2660
2661	if (0 && $msg =~ /\[/) {
2662	# COMMAND/INFO
2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
2664	} else {
2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2666	$self->send_packet ("drawinfo $color $msg")
2667	}
2668	}
2669	}
2670	}	3269	}
2671		3270
2672	=item $client->ext_msg ($type, @msg)	3271	=item $client->ext_msg ($type, @msg)
2673		3272
2674	Sends an ext event to the client.	3273	Sends an ext event to the client.
…		…
2676	=cut	3275	=cut
2677		3276
2678	sub cf::client::ext_msg($$@) {	3277	sub cf::client::ext_msg($$@) {
2679	my ($self, $type, @msg) = @_;	3278	my ($self, $type, @msg) = @_;
2680		3279
2681	if ($self->extcmd == 2) {
2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3280	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2683	} elsif ($self->extcmd == 1) { # TODO: remove
2684	push @msg, msgtype => "event_$type";
2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2686	}
2687	}
2688
2689	=item $client->ext_reply ($msgid, @msg)
2690
2691	Sends an ext reply to the client.
2692
2693	=cut
2694
2695	sub cf::client::ext_reply($$@) {
2696	my ($self, $id, @msg) = @_;
2697
2698	if ($self->extcmd == 2) {
2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2700	} elsif ($self->extcmd == 1) {
2701	#TODO: version 1, remove
2702	unshift @msg, msgtype => "reply", msgid => $id;
2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2704	}
2705	}	3281	}
2706		3282
2707	=item $success = $client->query ($flags, "text", \&cb)	3283	=item $success = $client->query ($flags, "text", \&cb)
2708		3284
2709	Queues a query to the client, calling the given callback with	3285	Queues a query to the client, calling the given callback with
…		…
2729		3305
2730	$self->send_packet ($self->{query_queue}[0][0])	3306	$self->send_packet ($self->{query_queue}[0][0])
2731	if @{ $self->{query_queue} } == 1;	3307	if @{ $self->{query_queue} } == 1;
2732		3308
2733	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;
2734	}	3349	}
2735		3350
2736	cf::client->attach (	3351	cf::client->attach (
2737	on_connect => sub {	3352	on_connect => sub {
2738	my ($ns) = @_;	3353	my ($ns) = @_;
…		…
2764	my ($ns, $buf) = @_;	3379	my ($ns, $buf) = @_;
2765		3380
2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3381	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2767		3382
2768	if (ref $msg) {	3383	if (ref $msg) {
2769	my ($type, $reply, @payload) =	3384	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2770	"ARRAY" eq ref $msg
2771	? @$msg
2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2773		3385
2774	my @reply;
2775
2776	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}) {
2777	@reply = $cb->($ns, @payload);	3399	@reply = $cb->($ns, @payload);
		3400	}
		3401
		3402	$ns->ext_msg ("reply-$reply", @reply)
		3403	if $reply;
2778	}	3404	}
2779
2780	$ns->ext_reply ($reply, @reply)
2781	if $reply;
2782
2783	} else {	3405	} else {
2784	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";
2785	}	3407	}
2786		3408
2787	cf::override;	3409	cf::override;
2788	},	3410	},
2789	);	3411	);
…		…
2809		3431
2810	$coro	3432	$coro
2811	}	3433	}
2812		3434
2813	cf::client->attach (	3435	cf::client->attach (
2814	on_destroy => sub {	3436	on_client_destroy => sub {
2815	my ($ns) = @_;	3437	my ($ns) = @_;
2816		3438
2817	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3439	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2818	},	3440	},
2819	);	3441	);
…		…
2835	our $safe_hole = new Safe::Hole;	3457	our $safe_hole = new Safe::Hole;
2836		3458
2837	$SIG{FPE} = 'IGNORE';	3459	$SIG{FPE} = 'IGNORE';
2838		3460
2839	$safe->permit_only (Opcode::opset qw(	3461	$safe->permit_only (Opcode::opset qw(
2840	:base_core :base_mem :base_orig :base_math	3462	:base_core :base_mem :base_orig :base_math :base_loop
2841	grepstart grepwhile mapstart mapwhile	3463	grepstart grepwhile mapstart mapwhile
2842	sort time	3464	sort time
2843	));	3465	));
2844		3466
2845	# here we export the classes and methods available to script code	3467	# here we export the classes and methods available to script code
…		…
2847	=pod	3469	=pod
2848		3470
2849	The following functions and methods are available within a safe environment:	3471	The following functions and methods are available within a safe environment:
2850		3472
2851	cf::object	3473	cf::object
2852	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
2853	insert remove name archname title slaying race decrease_ob_nr	3475	insert remove name archname title slaying race decrease split
		3476	value
2854		3477
2855	cf::object::player	3478	cf::object::player
2856	player	3479	player
2857		3480
2858	cf::player	3481	cf::player
…		…
2863		3486
2864	=cut	3487	=cut
2865		3488
2866	for (	3489	for (
2867	["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
2868	insert remove inv name archname title slaying race	3491	insert remove inv nrof name archname title slaying race
2869	decrease_ob_nr)],	3492	decrease split destroy change_exp value msg lore send_msg)],
2870	["cf::object::player" => qw(player)],	3493	["cf::object::player" => qw(player)],
2871	["cf::player" => qw(peaceful)],	3494	["cf::player" => qw(peaceful send_msg)],
2872	["cf::map" => qw(trigger)],	3495	["cf::map" => qw(trigger)],
2873	) {	3496	) {
2874	no strict 'refs';
2875	my ($pkg, @funs) = @$_;	3497	my ($pkg, @funs) = @$_;
2876	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3498	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2877	for @funs;	3499	for @funs;
2878	}	3500	}
2879		3501
…		…
2894		3516
2895	my $qcode = $code;	3517	my $qcode = $code;
2896	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3518	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2897	$qcode =~ s/\n/\\n/g;	3519	$qcode =~ s/\n/\\n/g;
2898		3520
		3521	%vars = (_dummy => 0) unless %vars;
		3522
		3523	my @res;
2899	local $_;	3524	local $_;
2900	local @safe::cf::_safe_eval_args = values %vars;
2901		3525
2902	my $eval =	3526	my $eval =
2903	"do {\n"	3527	"do {\n"
2904	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3528	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2905	. "#line 0 \"{$qcode}\"\n"	3529	. "#line 0 \"{$qcode}\"\n"
2906	. $code	3530	. $code
2907	. "\n}"	3531	. "\n}"
2908	;	3532	;
2909		3533
		3534	if ($CFG{safe_eval}) {
2910	sub_generation_inc;	3535	sub_generation_inc;
		3536	local @safe::cf::_safe_eval_args = values %vars;
2911	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3537	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2912	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	}
2913		3543
2914	if ($@) {	3544	if ($@) {
2915	warn "$@";	3545	warn "$@",
2916	warn "while executing safe code '$code'\n";	3546	"while executing safe code '$code'\n",
2917	warn "with arguments " . (join " ", %vars) . "\n";	3547	"with arguments " . (join " ", %vars) . "\n";
2918	}	3548	}
2919		3549
2920	wantarray ? @res : $res[0]	3550	wantarray ? @res : $res[0]
2921	}	3551	}
2922		3552
…		…
2936	=cut	3566	=cut
2937		3567
2938	sub register_script_function {	3568	sub register_script_function {
2939	my ($fun, $cb) = @_;	3569	my ($fun, $cb) = @_;
2940		3570
2941	no strict 'refs';	3571	$fun = "safe::$fun" if $CFG{safe_eval};
2942	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3572	*$fun = $safe_hole->wrap ($cb);
2943	}	3573	}
2944		3574
2945	=back	3575	=back
2946		3576
2947	=cut	3577	=cut
2948		3578
2949	#############################################################################	3579	#############################################################################
2950	# the server's init and main functions	3580	# the server's init and main functions
2951		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, $_[0]);
		3655	};
		3656	}
		3657	}
		3658
2952	sub load_facedata($) {	3659	sub load_facedata($) {
2953	my ($path) = @_;	3660	my ($path) = @_;
2954		3661
2955	# HACK to clear player env face cache, we need some signal framework
2956	# for this (global event?)
2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2958
2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3662	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2960		3663
2961	warn "loading facedata from $path\n";	3664	trace "loading facedata from $path\n";
2962		3665
2963	my $facedata;	3666	my $facedata = decode_storable load_file "$path/faceinfo";
2964	0 < aio_load $path, $facedata
2965	or die "$path: $!";
2966
2967	$facedata = Coro::Storable::thaw $facedata;
2968		3667
2969	$facedata->{version} == 2	3668	$facedata->{version} == 2
2970	or cf::cleanup "$path: version mismatch, cannot proceed.";	3669	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2971		3670
2972	# patch in the exptable	3671	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2973	$facedata->{resource}{"res/exp_table"} = {	3672	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2974	type => FT_RSRC,	3673
2975	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
2976	};	3675
2977	cf::cede_to_tick;	3676	# BEGIN ATOMIC
		3677	# from here on, everything must be atomic - no thread switch allowed
		3678	my $t1 = EV::time;
2978		3679
2979	{	3680	{
2980	my $faces = $facedata->{faceinfo};	3681	my $faces = $facedata->{faceinfo};
2981		3682
2982	while (my ($face, $info) = each %$faces) {	3683	for my $face (sort keys %$faces) {
		3684	my $info = $faces->{$face};
2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3685	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3686
2984	cf::face::set_visibility $idx, $info->{visibility};	3687	cf::face::set_visibility $idx, $info->{visibility};
2985	cf::face::set_magicmap $idx, $info->{magicmap};	3688	cf::face::set_magicmap $idx, $info->{magicmap};
2986	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};
2987	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};
2988		3691	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2989	cf::cede_to_tick;	3692	$cf::face::HASH{$info->{hash64}} = $idx;
		3693	delete $cf::face::META[$idx];
2990	}	3694	}
2991		3695
2992	while (my ($face, $info) = each %$faces) {	3696	while (my ($face, $info) = each %$faces) {
2993	next unless $info->{smooth};	3697	next unless $info->{smooth};
		3698
2994	my $idx = cf::face::find $face	3699	my $idx = cf::face::find $face
2995	or next;	3700	or next;
		3701
2996	if (my $smooth = cf::face::find $info->{smooth}) {	3702	if (my $smooth = cf::face::find $info->{smooth}) {
2997	cf::face::set_smooth $idx, $smooth;	3703	cf::face::set_smooth $idx, $smooth;
2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3704	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2999	} else {	3705	} else {
3000	warn "smooth face '$info->{smooth}' not found for face '$face'";	3706	error "smooth face '$info->{smooth}' not found for face '$face'";
3001	}	3707	}
3002
3003	cf::cede_to_tick;
3004	}	3708	}
3005	}	3709	}
3006		3710
3007	{	3711	{
3008	my $anims = $facedata->{animinfo};	3712	my $anims = $facedata->{animinfo};
3009		3713
3010	while (my ($anim, $info) = each %$anims) {	3714	while (my ($anim, $info) = each %$anims) {
3011	cf::anim::set $anim, $info->{frames}, $info->{facings};	3715	cf::anim::set $anim, $info->{frames}, $info->{facings};
3012	cf::cede_to_tick;
3013	}	3716	}
3014		3717
3015	cf::anim::invalidate_all; # d'oh	3718	cf::anim::invalidate_all; # d'oh
3016	}	3719	}
3017		3720
3018	{	3721	{
3019	# TODO: for gcfclient pleasure, we should give resources
3020	# that gcfclient doesn't grok a >10000 face index.
3021	my $res = $facedata->{resource};	3722	my $res = $facedata->{resource};
3022		3723
3023	my $soundconf = delete $res->{"res/sound.conf"};
3024
3025	while (my ($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
3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3727	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3027	my $data;
3028		3728
3029	if ($info->{type} & 1) {	3729	cf::face::set_type $idx, $type;
3030	# prepend meta info	3730	cf::face::set_csum $idx, 0, $info->{hash};
3031		3731	$cf::face::SIZE[0][$idx] = $info->{size};
3032	my $meta = $enc->encode ({	3732	$cf::face::FOFS[0][$idx] = $info->{fofs};
3033	name => $name,	3733	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3034	%{ $info->{meta} || {} },	3734	$cf::face::HASH{$info->{hash}} = $idx;
3035	});
3036
3037	$data = pack "(w/a*)*", $meta, $info->{data};
3038	} else {	3735	} else {
3039	$data = $info->{data};	3736	# $RESOURCE{$name} = $info; # unused
3040	}	3737	}
3041
3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3043	cf::face::set_type $idx, $info->{type};
3044
3045	cf::cede_to_tick;
3046	}
3047
3048	if ($soundconf) {
3049	$soundconf = $enc->decode (delete $soundconf->{data});
3050
3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3052	my $sound = $soundconf->{compat}[$_]
3053	or next;
3054
3055	my $face = cf::face::find "sound/$sound->[1]";
3056	cf::sound::set $sound->[0] => $face;
3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3058	}	3738	}
3059
3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
3061	my $face = cf::face::find "sound/$v";
3062	cf::sound::set $k => $face;
3063	}
3064	}
3065	}	3739	}
		3740
		3741	($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 $fh; # close old facedata
3066		3754
3067	1	3755	1
3068	}	3756	}
3069		3757
3070	register_exticmd fx_want => sub {	3758	register_exticmd fx_want => sub {
…		…
3072		3760
3073	while (my ($k, $v) = each %$want) {	3761	while (my ($k, $v) = each %$want) {
3074	$ns->fx_want ($k, $v);	3762	$ns->fx_want ($k, $v);
3075	}	3763	}
3076	};	3764	};
		3765
		3766	sub load_resource_file($) {
		3767	my $guard = lock_acquire "load_resource_file";
		3768
		3769	my $status = load_resource_file_ $_[0];
		3770	get_slot 0.1, 100;
		3771	cf::arch::commit_load;
		3772
		3773	$status
		3774	}
		3775
		3776	sub reload_exp_table {
		3777	_reload_exp_table;
		3778
		3779	cf::face::set
		3780	"res/exp_table" => FT_RSRC,
		3781	JSON::XS->new->utf8->canonical->encode (
		3782	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3783	);
		3784	}
		3785
		3786	sub reload_materials {
		3787	_reload_materials;
		3788	}
3077		3789
3078	sub reload_regions {	3790	sub reload_regions {
3079	# HACK to clear player env face cache, we need some signal framework	3791	# HACK to clear player env face cache, we need some signal framework
3080	# for this (global event?)	3792	# for this (global event?)
3081	%ext::player_env::MUSIC_FACE_CACHE = ();	3793	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3088	if exists $_->{match};	3800	if exists $_->{match};
3089	}	3801	}
3090	}	3802	}
3091		3803
3092	sub reload_facedata {	3804	sub reload_facedata {
3093	load_facedata "$DATADIR/facedata"	3805	load_facedata $DATADIR
3094	or die "unable to load facedata\n";	3806	or die "unable to load facedata\n";
3095	}	3807	}
3096		3808
3097	sub reload_archetypes {	3809	sub reload_archetypes {
3098	load_resource_file "$DATADIR/archetypes"	3810	load_resource_file "$DATADIR/archetypes"
3099	or die "unable to load archetypes\n";	3811	or die "unable to load archetypes\n";
3100	#d# NEED to laod twice to resolve forward references	3812
3101	# this really needs to be done in an extra post-pass	3813	cf::face::set
3102	# (which needs to be synchronous, so solve it differently)	3814	"res/skill_info" => FT_RSRC,
3103	load_resource_file "$DATADIR/archetypes"	3815	JSON::XS->new->utf8->canonical->encode (
3104	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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3835	}
		3836
		3837	cf::client::set_command_face skill => \@commands;
3105	}	3838	}
3106		3839
3107	sub reload_treasures {	3840	sub reload_treasures {
3108	load_resource_file "$DATADIR/treasures"	3841	load_resource_file "$DATADIR/treasures"
3109	or die "unable to load treasurelists\n";	3842	or die "unable to load treasurelists\n";
3110	}	3843	}
3111		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
3112	sub reload_resources {	3865	sub reload_resources {
3113	warn "reloading resource files...\n";	3866	trace "reloading resource files...\n";
3114		3867
		3868	reload_materials;
		3869	reload_facedata;
		3870	reload_exp_table;
		3871	reload_sound;
		3872	reload_archetypes;
3115	reload_regions;	3873	reload_regions;
3116	reload_facedata;
3117	#reload_archetypes;#d#
3118	reload_archetypes;
3119	reload_treasures;	3874	reload_treasures;
3120		3875
3121	warn "finished reloading resource files\n";	3876	trace "finished reloading resource files\n";
3122	}
3123
3124	sub init {
3125	reload_resources;
3126	}	3877	}
3127		3878
3128	sub reload_config {	3879	sub reload_config {
3129	open my $fh, "<:utf8", "$CONFDIR/config"	3880	trace "reloading config file...\n";
3130	or return;
3131		3881
3132	local $/;	3882	my $config = load_file "$CONFDIR/config";
3133	*CFG = YAML::Syck::Load <$fh>;	3883	utf8::decode $config;
		3884	*CFG = decode_yaml $config;
3134		3885
3135	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3886	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3136		3887
3137	$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};
3138	$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};
3139		3890
3140	if (exists $CFG{mlockall}) {	3891	if (exists $CFG{mlockall}) {
…		…
3144	};	3895	};
3145	warn $@ if $@;	3896	warn $@ if $@;
3146	}	3897	}
3147	}	3898	}
3148		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
3149	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
3150	# we must not ever block the main coroutine	3938	# we must not ever block the main coroutine
3151	local $Coro::idle = sub {	3939	$Coro::idle = sub {
3152	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#
3153	(async {	3941	(async {
3154	Event::one_event;	3942	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3943	EV::run EV::RUN_ONESHOT;
3155	})->prio (Coro::PRIO_MAX);	3944	})->prio (Coro::PRIO_MAX);
3156	};	3945	};
3157		3946
		3947	evthread_start IO::AIO::poll_fileno;
		3948
		3949	cf::sync_job {
		3950	cf::incloader::init ();
		3951
		3952	db_init;
		3953
		3954	cf::init_anim;
		3955	cf::init_attackmess;
		3956	cf::init_dynamic;
		3957
		3958	cf::load_settings;
		3959
		3960	reload_resources;
3158	reload_config;	3961	reload_config;
3159	db_init;	3962
		3963	cf::init_uuid;
		3964	cf::init_signals;
		3965	cf::init_skills;
		3966
		3967	cf::init_beforeplay;
		3968
		3969	atomic;
		3970
3160	load_extensions;	3971	load_extensions;
3161		3972
3162	$TICK_WATCHER->start;	3973	utime time, time, $RUNTIMEFILE;
3163	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;
3164	}	3990	}
3165		3991
3166	#############################################################################	3992	#############################################################################
3167	# initialisation and cleanup	3993	# initialisation and cleanup
3168		3994
3169	# install some emergency cleanup handlers	3995	# install some emergency cleanup handlers
3170	BEGIN {	3996	BEGIN {
		3997	our %SIGWATCHER = ();
3171	for my $signal (qw(INT HUP TERM)) {	3998	for my $signal (qw(INT HUP TERM)) {
3172	Event->signal (	3999	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3173	reentrant => 0,
3174	data => WF_AUTOCANCEL,
3175	signal => $signal,
3176	prio => 0,
3177	cb => sub {
3178	cf::cleanup "SIG$signal";	4000	cf::cleanup "SIG$signal";
3179	},
3180	);	4001	};
3181	}	4002	}
3182	}	4003	}
3183		4004
3184	sub write_runtime {	4005	sub write_runtime_sync {
3185	my $runtime = "$LOCALDIR/runtime";	4006	my $t0 = AE::time;
3186		4007
3187	# first touch the runtime file to show we are still running:	4008	# first touch the runtime file to show we are still running:
3188	# the fsync below can take a very very long time.	4009	# the fsync below can take a very very long time.
3189		4010
3190	IO::AIO::aio_utime $runtime, undef, undef;	4011	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3191		4012
3192	my $guard = cf::lock_acquire "write_runtime";	4013	my $guard = cf::lock_acquire "write_runtime";
3193		4014
3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4015	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3195	or return;	4016	or return;
3196		4017
3197	my $value = $cf::RUNTIME + 90 + 10;	4018	my $value = $cf::RUNTIME + 90 + 10;
3198	# 10 is the runtime save interval, for a monotonic clock	4019	# 10 is the runtime save interval, for a monotonic clock
3199	# 60 allows for the watchdog to kill the server.	4020	# 60 allows for the watchdog to kill the server.
…		…
3209	aio_utime $fh, undef, undef;	4030	aio_utime $fh, undef, undef;
3210		4031
3211	close $fh	4032	close $fh
3212	or return;	4033	or return;
3213		4034
3214	aio_rename "$runtime~", $runtime	4035	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3215	and return;	4036	and return;
3216		4037
3217	warn "runtime file written.\n";	4038	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3218		4039
3219	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 };
3220	}	4091	}
3221		4092
3222	sub emergency_save() {	4093	sub emergency_save() {
3223	my $freeze_guard = cf::freeze_mainloop;	4094	my $freeze_guard = cf::freeze_mainloop;
3224		4095
3225	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;
3226		4102
3227	cf::sync_job {	4103	cf::sync_job {
		4104	cf::write_runtime_sync; # external watchdog should not bark
		4105
3228	# use a peculiar iteration method to avoid tripping on perl	4106	# use a peculiar iteration method to avoid tripping on perl
3229	# refcount bugs in for. also avoids problems with players	4107	# refcount bugs in for. also avoids problems with players
3230	# and maps saved/destroyed asynchronously.	4108	# and maps saved/destroyed asynchronously.
3231	warn "begin emergency player save\n";	4109	info "emergency_perl_save: begin player save\n";
3232	for my $login (keys %cf::PLAYER) {	4110	for my $login (keys %cf::PLAYER) {
3233	my $pl = $cf::PLAYER{$login} or next;	4111	my $pl = $cf::PLAYER{$login} or next;
3234	$pl->valid or next;	4112	$pl->valid or next;
		4113	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3235	$pl->save;	4114	$pl->save;
3236	}	4115	}
3237	warn "end emergency player save\n";	4116	info "emergency_perl_save: end player save\n";
3238		4117
3239	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";
3240	for my $path (keys %cf::MAP) {	4121	for my $path (keys %cf::MAP) {
3241	my $map = $cf::MAP{$path} or next;	4122	my $map = $cf::MAP{$path} or next;
3242	$map->valid or next;	4123	$map->valid or next;
3243	$map->save;	4124	$map->save;
3244	}	4125	}
3245	warn "end emergency map save\n";	4126	info "emergency_perl_save: end map save\n";
3246		4127
3247	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";
3248	BDB::db_env_txn_checkpoint $DB_ENV;	4131	BDB::db_env_txn_checkpoint $DB_ENV;
3249	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 $DB_ENV;
		4142
		4143	info "emergency_perl_save: starting sync\n";
		4144	IO::AIO::aio_sync sub {
		4145	info "emergency_perl_save: finished sync\n";
		4146	};
		4147
		4148	cf::write_runtime_sync; # external watchdog should not bark
		4149
		4150	trace "emergency_perl_save: flushing outstanding aio requests";
		4151	while (IO::AIO::nreqs || BDB::nreqs) {
		4152	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4153	}
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
3250	};	4156	};
3251		4157
3252	warn "leave emergency perl save\n";	4158	info "emergency_perl_save: leave\n";
3253	}	4159	}
3254		4160
3255	sub post_cleanup {	4161	sub post_cleanup {
3256	my ($make_core) = @_;	4162	my ($make_core) = @_;
3257		4163
		4164	IO::AIO::flush;
		4165
3258	warn Carp::longmess "post_cleanup backtrace"	4166	error Carp::longmess "post_cleanup backtrace"
3259	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	}
3260	}	4196	}
3261		4197
3262	sub do_reload_perl() {	4198	sub do_reload_perl() {
3263	# can/must only be called in main	4199	# can/must only be called in main
3264	if ($Coro::current != $Coro::main) {	4200	unless (in_main) {
3265	warn "can only reload from main coroutine";	4201	error "can only reload from main coroutine";
3266	return;	4202	return;
3267	}	4203	}
3268		4204
3269	warn "reloading...";	4205	return if $RELOAD++;
3270		4206
3271	warn "entering sync_job";	4207	my $t1 = AE::time;
3272		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
3273	cf::sync_job {	4215	cf::sync_job {
3274	cf::write_runtime; # external watchdog should not bark
3275	cf::emergency_save;	4216	#cf::emergency_save;
3276	cf::write_runtime; # external watchdog should not bark
3277		4217
3278	warn "syncing database to disk";
3279	BDB::db_env_txn_checkpoint $DB_ENV;
3280
3281	# if anything goes wrong in here, we should simply crash as we already saved
3282
3283	warn "cancelling all WF_AUTOCANCEL watchers";
3284	for (Event::all_watchers) {
3285	$_->cancel if $_->data & WF_AUTOCANCEL;
3286	}
3287
3288	warn "flushing outstanding aio requests";
3289	for (;;) {
3290	BDB::flush;
3291	IO::AIO::flush;
3292	Coro::cede;
3293	last unless IO::AIO::nreqs || BDB::nreqs;
3294	warn "iterate...";
3295	}
3296
3297	++$RELOAD;
3298
3299	warn "cancelling all extension coros";	4218	trace "perl_reload: cancelling all extension coros";
3300	$_->cancel for values %EXT_CORO;	4219	$_->cancel for values %EXT_CORO;
3301	%EXT_CORO = ();	4220	%EXT_CORO = ();
3302		4221
3303	warn "removing commands";	4222	trace "perl_reload: removing commands";
3304	%COMMAND = ();	4223	%COMMAND = ();
3305		4224
3306	warn "removing ext/exti commands";	4225	trace "perl_reload: removing ext/exti commands";
3307	%EXTCMD = ();	4226	%EXTCMD = ();
3308	%EXTICMD = ();	4227	%EXTICMD = ();
3309		4228
3310	warn "unloading/nuking all extensions";	4229	trace "perl_reload: unloading/nuking all extensions";
3311	for my $pkg (@EXTS) {	4230	for my $pkg (@EXTS) {
3312	warn "... unloading $pkg";	4231	trace "... unloading $pkg";
3313		4232
3314	if (my $cb = $pkg->can ("unload")) {	4233	if (my $cb = $pkg->can ("unload")) {
3315	eval {	4234	eval {
3316	$cb->($pkg);	4235	$cb->($pkg);
3317	1	4236	1
3318	} 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;
3319	}	4242	}
3320		4243
3321	warn "... nuking $pkg";
3322	Symbol::delete_package $pkg;
3323	}
3324
3325	warn "unloading all perl modules loaded from $LIBDIR";	4244	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3326	while (my ($k, $v) = each %INC) {	4245	while (my ($k, $v) = each %INC) {
3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3328		4247
3329	warn "... unloading $k";	4248	trace "... unloading $k";
3330	delete $INC{$k};	4249	delete $INC{$k};
3331		4250
3332	$k =~ s/\.pm$//;	4251	$k =~ s/\.pm$//;
3333	$k =~ s/\//::/g;	4252	$k =~ s/\//::/g;
3334		4253
3335	if (my $cb = $k->can ("unload_module")) {	4254	if (my $cb = $k->can ("unload_module")) {
3336	$cb->();	4255	$cb->();
		4256	}
		4257
		4258	clear_package $k;
3337	}	4259	}
3338		4260
3339	Symbol::delete_package $k;
3340	}
3341
3342	warn "getting rid of safe::, as good as possible";	4261	trace "perl_reload: getting rid of safe::, as good as possible";
3343	Symbol::delete_package "safe::$_"	4262	clear_package "safe::$_"
3344	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);
3345		4264
3346	warn "unloading cf.pm \"a bit\"";	4265	trace "perl_reload: unloading cf.pm \"a bit\"";
3347	delete $INC{"cf.pm"};	4266	delete $INC{"cf.pm"};
3348	delete $INC{"cf/pod.pm"};	4267	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3349		4268
3350	# don't, removes xs symbols, too,	4269	# don't, removes xs symbols, too,
3351	# and global variables created in xs	4270	# and global variables created in xs
3352	#Symbol::delete_package __PACKAGE__;	4271	#clear_package __PACKAGE__;
3353		4272
3354	warn "unload completed, starting to reload now";	4273	info "perl_reload: unload completed, starting to reload now";
3355		4274
3356	warn "reloading cf.pm";	4275	trace "perl_reload: reloading cf.pm";
3357	require cf;	4276	require cf;
3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4277	cf::_connect_to_perl_1;
3359		4278
3360	warn "loading config and database again";	4279	trace "perl_reload: loading config and database again";
3361	cf::reload_config;	4280	cf::reload_config;
3362		4281
3363	warn "loading extensions";	4282	trace "perl_reload: loading extensions";
3364	cf::load_extensions;	4283	cf::load_extensions;
3365		4284
		4285	if ($REATTACH_ON_RELOAD) {
3366	warn "reattaching attachments to objects/players";	4286	trace "perl_reload: reattaching attachments to objects/players";
3367	_global_reattach; # objects, sockets	4287	_global_reattach; # objects, sockets
3368	warn "reattaching attachments to maps";	4288	trace "perl_reload: reattaching attachments to maps";
3369	reattach $_ for values %MAP;	4289	reattach $_ for values %MAP;
3370	warn "reattaching attachments to players";	4290	trace "perl_reload: reattaching attachments to players";
3371	reattach $_ for values %PLAYER;	4291	reattach $_ for values %PLAYER;
		4292	}
3372		4293
3373	warn "leaving sync_job";	4294	cf::_post_init 1;
3374		4295
		4296	trace "perl_reload: leaving sync_job";
		4297
3375	1	4298	1
3376	} or do {	4299	} or do {
3377	warn $@;	4300	error $@;
3378	warn "error while reloading, exiting.";	4301	cf::cleanup "perl_reload: error, exiting.";
3379	exit 1;	4302	};
		4303
		4304	--$RELOAD;
3380	};	4305	}
3381		4306
3382	warn "reloaded";	4307	$t1 = AE::time - $t1;
		4308	info "perl_reload: completed in ${t1}s\n";
3383	};	4309	};
3384		4310
3385	our $RELOAD_WATCHER; # used only during reload	4311	our $RELOAD_WATCHER; # used only during reload
3386		4312
3387	sub reload_perl() {	4313	sub reload_perl() {
3388	# doing reload synchronously and two reloads happen back-to-back,	4314	# doing reload synchronously and two reloads happen back-to-back,
3389	# coro crashes during coro_state_free->destroy here.	4315	# coro crashes during coro_state_free->destroy here.
3390		4316
3391	$RELOAD_WATCHER ||= Event->timer (	4317	$RELOAD_WATCHER ||= cf::async {
3392	reentrant => 0,	4318	Coro::AIO::aio_wait cache_extensions;
3393	after => 0,	4319
3394	data => WF_AUTOCANCEL,	4320	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3395	cb => sub {
3396	do_reload_perl;	4321	do_reload_perl;
3397	undef $RELOAD_WATCHER;	4322	undef $RELOAD_WATCHER;
3398	},	4323	};
3399	);	4324	};
3400	}	4325	}
3401		4326
3402	register_command "reload" => sub {	4327	register_command "reload" => sub {
3403	my ($who, $arg) = @_;	4328	my ($who, $arg) = @_;
3404		4329
3405	if ($who->flag (FLAG_WIZ)) {	4330	if ($who->flag (FLAG_WIZ)) {
3406	$who->message ("reloading server.");	4331	$who->message ("reloading server.");
		4332	async {
		4333	$Coro::current->{desc} = "perl_reload";
3407	async { reload_perl };	4334	reload_perl;
		4335	};
3408	}	4336	}
3409	};	4337	};
3410		4338
3411	unshift @INC, $LIBDIR;	4339	#############################################################################
3412		4340
3413	my $bug_warning = 0;	4341	my $bug_warning = 0;
3414		4342
3415	our @WAIT_FOR_TICK;
3416	our @WAIT_FOR_TICK_BEGIN;
3417
3418	sub wait_for_tick {	4343	sub wait_for_tick() {
3419	return unless $TICK_WATCHER->is_active;	4344	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3420	return if $Coro::current == $Coro::main;
3421		4345
3422	my $signal = new Coro::Signal;	4346	$WAIT_FOR_TICK->wait;
3423	push @WAIT_FOR_TICK, $signal;
3424	$signal->wait;
3425	}	4347	}
3426		4348
3427	sub wait_for_tick_begin {	4349	sub wait_for_tick_begin() {
3428	return unless $TICK_WATCHER->is_active;	4350	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3429	return if $Coro::current == $Coro::main;
3430		4351
3431	my $signal = new Coro::Signal;	4352	my $signal = new Coro::Signal;
3432	push @WAIT_FOR_TICK_BEGIN, $signal;	4353	push @WAIT_FOR_TICK_BEGIN, $signal;
3433	$signal->wait;	4354	$signal->wait;
3434	}	4355	}
3435		4356
3436	my $min = 1e6;#d#	4357	sub tick {
3437	my $avg = 10;
3438	$TICK_WATCHER = Event->timer (
3439	reentrant => 0,
3440	parked => 1,
3441	prio => 0,
3442	at => $NEXT_TICK || $TICK,
3443	data => WF_AUTOCANCEL,
3444	cb => sub {
3445	if ($Coro::current != $Coro::main) {	4358	if ($Coro::current != $Coro::main) {
3446	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"
3447	unless ++$bug_warning > 10;	4360	unless ++$bug_warning > 10;
3448	return;	4361	return;
3449	}	4362	}
3450		4363
3451	$NOW = $tick_start = Event::time;	4364	cf::one_tick; # one server iteration
3452		4365
3453	cf::server_tick; # one server iteration	4366	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3454		4367
3455	0 && sync_job {#d#	4368	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3456	for(1..10) {	4369	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3457	my $t = Event::time;	4370	Coro::async_pool {
3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4371	$Coro::current->{desc} = "runtime saver";
3459	or die;	4372	write_runtime_sync
3460		4373	or error "ERROR: unable to write runtime file: $!";
3461	$map->width (50);
3462	$map->height (50);
3463	$map->alloc;
3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3465	my $t = Event::time - $t;
3466
3467	#next unless $t < 0.0013;#d#
3468	if ($t < $min) {
3469	$min = $t;
3470	}
3471	$avg = $avg * 0.99 + $t * 0.01;
3472	}
3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3474	exit 0;
3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3476	};	4374	};
		4375	}
3477		4376
3478	$RUNTIME += $TICK;
3479	$NEXT_TICK += $TICK;
3480
3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
3483	Coro::async_pool {
3484	write_runtime
3485	or warn "ERROR: unable to write runtime file: $!";
3486	};
3487	}
3488
3489	# my $AFTER = Event::time;
3490	# warn $AFTER - $NOW;#d#
3491
3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4377	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3493	$sig->send;	4378	$sig->send;
3494	}	4379	}
3495	while (my $sig = shift @WAIT_FOR_TICK) {	4380	$WAIT_FOR_TICK->broadcast;
3496	$sig->send;
3497	}
3498		4381
3499	$NOW = Event::time;	4382	$LOAD = ($NOW - $TICK_START) / $TICK;
3500
3501	# if we are delayed by four ticks or more, skip them all
3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3503
3504	$TICK_WATCHER->at ($NEXT_TICK);
3505	$TICK_WATCHER->start;
3506
3507	$LOAD = ($NOW - $tick_start) / $TICK;
3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3509		4384
3510	_post_tick;	4385	if (0) {
3511		4386	if ($NEXT_TICK) {
3512		4387	my $jitter = $TICK_START - $NEXT_TICK;
		4388	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4389	debug "jitter $JITTER\n";#d#
		4390	}
3513	},	4391	}
3514	);	4392	}
3515		4393
3516	{	4394	{
3517	BDB::max_poll_time $TICK * 0.1;	4395	# configure BDB
3518	$BDB_POLL_WATCHER = Event->io (	4396	info "initialising database";
3519	reentrant => 0,	4397
3520	fd => BDB::poll_fileno,
3521	poll => 'r',
3522	prio => 0,
3523	data => WF_AUTOCANCEL,
3524	cb => \&BDB::poll_cb,
3525	);
3526	BDB::min_parallel 8;	4398	BDB::min_parallel 16;
3527		4399	BDB::max_poll_reqs $TICK * 0.1;
3528	BDB::set_sync_prepare {	4400	#$AnyEvent::BDB::WATCHER->priority (1);
3529	my $status;
3530	my $current = $Coro::current;
3531	(
3532	sub {
3533	$status = $!;
3534	$current->ready; undef $current;
3535	},
3536	sub {
3537	Coro::schedule while defined $current;
3538	$! = $status;
3539	},
3540	)
3541	};
3542		4401
3543	unless ($DB_ENV) {	4402	unless ($DB_ENV) {
3544	$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);
3545		4409
3546	cf::sync_job {	4410	cf::sync_job {
3547	eval {	4411	eval {
3548	BDB::db_env_open	4412	BDB::db_env_open
3549	$DB_ENV,	4413	$DB_ENV,
…		…
3551	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
3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4416	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3553	0666;	4417	0666;
3554		4418
3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4419	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3556
3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3558	$DB_ENV->set_lk_detect;
3559	};	4420	};
3560		4421
3561	cf::cleanup "db_env_open(db): $@" if $@;	4422	cf::cleanup "db_env_open(db): $@" if $@;
3562	};	4423	};
3563	}	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";
3564	}	4437	}
3565		4438
3566	{	4439	{
		4440	# configure IO::AIO
		4441
		4442	info "initialising aio";
3567	IO::AIO::min_parallel 8;	4443	IO::AIO::min_parallel 8;
3568
3569	undef $Coro::AIO::WATCHER;
3570	IO::AIO::max_poll_time $TICK * 0.1;	4444	IO::AIO::max_poll_time $TICK * 0.1;
3571	$AIO_POLL_WATCHER = Event->io (	4445	undef $AnyEvent::AIO::WATCHER;
3572	reentrant => 0,	4446	info "aio initialised";
3573	data => WF_AUTOCANCEL,
3574	fd => IO::AIO::poll_fileno,
3575	poll => 'r',
3576	prio => 6,
3577	cb => \&IO::AIO::poll_cb,
3578	);
3579	}	4447	}
3580		4448
3581	my $_log_backtrace;	4449	our $_log_backtrace;
		4450	our $_log_backtrace_last;
3582		4451
3583	sub _log_backtrace {	4452	sub _log_backtrace {
3584	my ($msg, @addr) = @_;	4453	my ($msg, @addr) = @_;
3585		4454
3586	$msg =~ s/\n//;	4455	$msg =~ s/\n$//;
3587		4456
		4457	if ($_log_backtrace_last eq $msg) {
		4458	LOG llevInfo, "[ABT] $msg\n";
		4459	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3588	# limit the # of concurrent backtraces	4460	# limit the # of concurrent backtraces
3589	if ($_log_backtrace < 2) {	4461	} elsif ($_log_backtrace < 2) {
		4462	$_log_backtrace_last = $msg;
3590	++$_log_backtrace;	4463	++$_log_backtrace;
		4464	my $perl_bt = Carp::longmess $msg;
3591	async {	4465	async {
		4466	$Coro::current->{desc} = "abt $msg";
		4467
3592	my @bt = fork_call {	4468	my @bt = fork_call {
3593	@addr = map { sprintf "%x", $_ } @addr;	4469	@addr = map { sprintf "%x", $_ } @addr;
3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3595	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 |"
3596	or die "addr2line: $!";	4472	or die "addr2line: $!";
…		…
3604	}	4480	}
3605		4481
3606	@funcs	4482	@funcs
3607	};	4483	};
3608		4484
3609	LOG llevInfo, "[ABT] $msg\n";	4485	LOG llevInfo, "[ABT] $perl_bt\n";
		4486	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3610	LOG llevInfo, "[ABT] $_\n" for @bt;	4487	LOG llevInfo, "[ABT] $_\n" for @bt;
3611	--$_log_backtrace;	4488	--$_log_backtrace;
3612	};	4489	};
3613	} else {	4490	} else {
3614	LOG llevInfo, "[ABT] $msg\n";	4491	LOG llevInfo, "[ABT] $msg\n";
3615	LOG llevInfo, "[ABT] [suppressed]\n";	4492	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3616	}	4493	}
3617	}	4494	}
3618		4495
3619	# load additional modules	4496	# load additional modules
3620	use cf::pod;	4497	require "cf/$_.pm" for @EXTRA_MODULES;
		4498	cf::_connect_to_perl_2;
3621		4499
3622	END { cf::emergency_save }	4500	END { cf::emergency_save }
3623		4501
3624	1	4502	1
3625		4503

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