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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.624 by root, Sat Nov 17 23:40:02 2018 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2018 Marc Alexander Lehmann / the Deliantra team
		5	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		6	#
		7	# Deliantra is free software: you can redistribute it and/or modify it under
		8	# the terms of the Affero GNU General Public License as published by the
		9	# Free Software Foundation, either version 3 of the License, or (at your
		10	# option) any later version.
		11	#
		12	# This program is distributed in the hope that it will be useful,
		13	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		15	# GNU General Public License for more details.
		16	#
		17	# You should have received a copy of the Affero GNU General Public License
		18	# and the GNU General Public License along with this program. If not, see
		19	# <http://www.gnu.org/licenses/>.
		20	#
		21	# The authors can be reached via e-mail to <support@deliantra.net>
		22	#
		23
1	package cf;	24	package cf;
2		25
3	use utf8;	26	use common::sense;
4	use strict;
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
		36	use Carp ();
14		37
		38	use AnyEvent ();
		39	use AnyEvent::IO ();
		40	use AnyEvent::DNS ();
		41
15	use Coro 3.64 ();	42	use Coro ();
16	use Coro::State;	43	use Coro::State;
17	use Coro::Handle;	44	use Coro::Handle;
		45	use Coro::EV;
18	use Coro::Event;	46	use Coro::AnyEvent;
19	use Coro::Timer;	47	use Coro::Timer;
20	use Coro::Signal;	48	use Coro::Signal;
21	use Coro::Semaphore;	49	use Coro::Semaphore;
		50	use Coro::SemaphoreSet;
		51	use Coro::AnyEvent;
22	use Coro::AIO;	52	use Coro::AIO;
		53	use Coro::BDB 1.6;
23	use Coro::Storable;	54	use Coro::Storable;
24	use Coro::Util ();	55	use Coro::Util ();
25		56
		57	use Guard ();
26	use JSON::XS ();	58	use JSON::XS 2.01 ();
27	use BDB ();	59	use BDB ();
28	use Data::Dumper;	60	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	61	use Fcntl;
31	use YAML::Syck ();	62	use YAML::XS ();
		63	use CBOR::XS ();
32	use IO::AIO 2.32 ();	64	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	65	use Compress::LZF;
35	use Digest::MD5 ();	66	use Digest::MD5 ();
		67
		68	AnyEvent::detect;
36		69
37	# configure various modules to our taste	70	# configure various modules to our taste
38	#	71	#
39	$Storable::canonical = 1; # reduce rsync transfers	72	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	73	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		74
		75	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		76
		77	# make sure c-lzf reinitialises itself
		78	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	79	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		80
43	$Event::Eval = 1; # no idea why this is required, but it is	81	# strictly for debugging
44		82	$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		83
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	84	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		85
		86	our @ORIG_INC;
51		87
52	our %COMMAND = ();	88	our %COMMAND = ();
53	our %COMMAND_TIME = ();	89	our %COMMAND_TIME = ();
54		90
55	our @EXTS = (); # list of extension package names	91	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	92	our %EXTCMD = ();
		93	our %EXTACMD = ();
57	our %EXTICMD = ();	94	our %EXTICMD = ();
		95	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
60		98
61	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	100	our @EVENT;
		101	our @REFLECT; # set by XS
		102	our %REFLECT; # set by us
63		103
64	our $CONFDIR = confdir;	104	our $CONFDIR = confdir;
		105
65	our $DATADIR = datadir;	106	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	107	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	108	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	109	our $MAPDIR = "$DATADIR/" . mapdir;
		110
69	our $LOCALDIR = localdir;	111	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	112	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	113	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	114	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	115	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	116	our $BDBDIR = "$LOCALDIR/db";
		117	our $PIDFILE = "$LOCALDIR/pid";
		118	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		119
		120	#our %RESOURCE; # unused
		121
		122	our $OUTPUT_RATE_MIN = 3000;
		123	our $OUTPUT_RATE_MAX = 1000000;
		124
		125	our $MAX_LINKS = 32; # how many chained exits to follow
		126	our $VERBOSE_IO = 1;
75		127
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	128	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	129	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	130	our $NEXT_TICK;
		131	our $USE_FSYNC = 1; # use fsync to write maps - default on
		132
		133	our $BDB_DEADLOCK_WATCHER;
		134	our $BDB_CHECKPOINT_WATCHER;
		135	our $BDB_TRICKLE_WATCHER;
		136	our $DB_ENV;
		137
		138	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		139
		140	our %CFG;
		141	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		142
		143	our $UPTIME; $UPTIME ||= time;
		144	our $RUNTIME = 0;
		145	our $SERVER_TICK = 0;
81	our $NOW;	146	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		147
84	our $BDB_POLL_WATCHER;	148	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	149	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	150	our $LINK_MAP; # the special {link} map, which is always available
95		151
96	# used to convert map paths into valid unix filenames by replacing / by ∕	152	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	153	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		154
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	155	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	156	our $LOADAVG; # same thing, but with alpha-smoothing
		157	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	158	our $TICK_START; # for load detecting purposes
		159
		160	our @POST_INIT;
		161
		162	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		163	our $REALLY_UNLOOP; # never set to true, please :)
		164
		165	our $WAIT_FOR_TICK = new Coro::Signal;
		166	our @WAIT_FOR_TICK_BEGIN;
102		167
103	binmode STDOUT;	168	binmode STDOUT;
104	binmode STDERR;	169	binmode STDERR;
105		170
106	# read virtual server time, if available	171	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	172	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	173	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	174	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	175	$RUNTIME = <$fh> + 0.;
111	}	176	}
		177
		178	eval "sub TICK() { $TICK } 1" or die;
112		179
113	mkdir $_	180	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	181	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		182
116	our $EMERGENCY_POSITION;	183	our $EMERGENCY_POSITION;
117		184
118	sub cf::map::normalise;	185	sub cf::map::normalise;
119		186
		187	sub in_main() {
		188	$Coro::current == $Coro::main
		189	}
		190
120	#############################################################################	191	#############################################################################
121		192
		193	%REFLECT = ();
		194	for (@REFLECT) {
		195	my $reflect = JSON::XS::decode_json $_;
		196	$REFLECT{$reflect->{class}} = $reflect;
		197	}
		198
		199	# this is decidedly evil
		200	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		201
		202	#############################################################################
		203
122	=head2 GLOBAL VARIABLES	204	=head2 GLOBAL VARIABLES
123		205
124	=over 4	206	=over 4
125		207
126	=item $cf::UPTIME	208	=item $cf::UPTIME
127		209
128	The timestamp of the server start (so not actually an uptime).	210	The timestamp of the server start (so not actually an "uptime").
		211
		212	=item $cf::SERVER_TICK
		213
		214	An unsigned integer that starts at zero when the server is started and is
		215	incremented on every tick.
		216
		217	=item $cf::NOW
		218
		219	The (real) time of the last (current) server tick - updated before and
		220	after tick processing, so this is useful only as a rough "what time is it
		221	now" estimate.
		222
		223	=item $cf::TICK
		224
		225	The interval between each server tick, in seconds.
129		226
130	=item $cf::RUNTIME	227	=item $cf::RUNTIME
131		228
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	229	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	230	every server tick.
134		231
135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	232	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	233	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	234	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
138		235
139	Various directories - "/etc", read-only install directory, perl-library	236	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	237	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	238	unique-items directory, player file directory, random maps directory and
142	database environment.	239	database environment.
143		240
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	241	=item $cf::LOADAVG
153		242
154	The current CPU load on the server (alpha-smoothed), as a value between 0	243	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	244	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	245	objects per tick. Healthy values are < 0.5.
…		…
159		248
160	The raw value load value from the last tick.	249	The raw value load value from the last tick.
161		250
162	=item %cf::CFG	251	=item %cf::CFG
163		252
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	253	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	254	from wherever your confdir points to.
166		255
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	256	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		257
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	258	These are functions that inhibit the current coroutine one tick.
170	returns directly I<after> the tick processing (and consequently, can only wake one process	259	cf::wait_for_tick_begin only returns directly I<after> the tick
		260	processing (and consequently, can only wake one thread per tick), while
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	261	cf::wait_for_tick wakes up all waiters after tick processing.
		262
		263	Note that cf::wait_for_tick will immediately return when the server is not
		264	ticking, making it suitable for small pauses in threads that need to run
		265	when the server is paused. If that is not applicable (i.e. you I<really>
		266	want to wait, use C<$cf::WAIT_FOR_TICK>).
		267
		268	=item $cf::WAIT_FOR_TICK
		269
		270	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		271	variable contains a L<Coro::Signal> that is broadcats after every server
		272	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		273	next server tick.
		274
		275	=cut
		276
		277	sub wait_for_tick();
		278	sub wait_for_tick_begin();
172		279
173	=item @cf::INVOKE_RESULTS	280	=item @cf::INVOKE_RESULTS
174		281
175	This array contains the results of the last C<invoke ()> call. When	282	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	283	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	284	that call.
178		285
		286	=item %cf::REFLECT
		287
		288	Contains, for each (C++) class name, a hash reference with information
		289	about object members (methods, scalars, arrays and flags) and other
		290	metadata, which is useful for introspection.
		291
179	=back	292	=back
180		293
181	=cut	294	=cut
182		295
183	BEGIN {	296	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	297	sub warn (@) { LOG llevWarn , join "", @_ }
		298	sub info (@) { LOG llevInfo , join "", @_ }
		299	sub debug(@) { LOG llevDebug, join "", @_ }
		300	sub trace(@) { LOG llevTrace, join "", @_ }
		301
		302	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	303	my $msg = join "", @_;
186		304
187	$msg .= "\n"	305	$msg .= "\n"
188	unless $msg =~ /\n$/;	306	unless $msg =~ /\n$/;
189		307
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	308	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		309
192	utf8::encode $msg;
193	LOG llevError, $msg;	310	LOG llevWarn, $msg;
194	};	311	};
195	}	312
		313	$Coro::State::DIEHOOK = sub {
		314	return unless $^S eq 0; # "eq", not "=="
		315
		316	error Carp::longmess $_[0];
		317
		318	if (in_main) {#d#
		319	error "DIEHOOK called in main context, Coro bug?\n";#d#
		320	return;#d#
		321	}#d#
		322
		323	# kill coroutine otherwise
		324	Coro::terminate
		325	};
196		326
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	327	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	328	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	329	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	330	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	337	for my $pkg (qw(
208	cf::global cf::attachable	338	cf::global cf::attachable
209	cf::object cf::object::player	339	cf::object cf::object::player
210	cf::client cf::player	340	cf::client cf::player
211	cf::arch cf::living	341	cf::arch cf::living
		342	cf::map cf::mapspace
212	cf::map cf::party cf::region	343	cf::party cf::region
213	)) {	344	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	345	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	346	}
217		347
218	$Event::DIED = sub {	348	$EV::DIED = sub {
219	warn "error in event callback: @_";	349	warn "error in event callback: $@";
220	};	350	};
		351
		352	#############################################################################
		353
		354	sub fork_call(&@);
		355	sub get_slot($;$$);
221		356
222	#############################################################################	357	#############################################################################
223		358
224	=head2 UTILITY FUNCTIONS	359	=head2 UTILITY FUNCTIONS
225		360
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	381	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	382	$d
248	} || "[unable to dump $_[0]: '$@']";	383	} || "[unable to dump $_[0]: '$@']";
249	}	384	}
250		385
		386	=item $scalar = cf::load_file $path
		387
		388	Loads the given file from path and returns its contents. Croaks on error
		389	and can block.
		390
		391	=cut
		392
		393	sub load_file($) {
		394	0 <= aio_load $_[0], my $data
		395	or Carp::croak "$_[0]: $!";
		396
		397	$data
		398	}
		399
		400	=item $success = cf::replace_file $path, $data, $sync
		401
		402	Atomically replaces the file at the given $path with new $data, and
		403	optionally $sync the data to disk before replacing the file.
		404
		405	=cut
		406
		407	sub replace_file($$;$) {
		408	my ($path, $data, $sync) = @_;
		409
		410	my $lock = cf::lock_acquire ("replace_file:$path");
		411
		412	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		413	or return;
		414
		415	$data = $data->() if ref $data;
		416
		417	length $data == aio_write $fh, 0, (length $data), $data, 0
		418	or return;
		419
		420	!$sync
		421	or !aio_fsync $fh
		422	or return;
		423
		424	aio_close $fh
		425	and return;
		426
		427	aio_rename "$path~", $path
		428	and return;
		429
		430	if ($sync) {
		431	$path =~ s%/[^/]*$%%;
		432	aio_pathsync $path;
		433	}
		434
		435	1
		436	}
		437
251	=item $ref = cf::from_json $json	438	=item $ref = cf::decode_json $json
252		439
253	Converts a JSON string into the corresponding perl data structure.	440	Converts a JSON string into the corresponding perl data structure.
254		441
255	=item $json = cf::to_json $ref	442	=item $json = cf::encode_json $ref
256		443
257	Converts a perl data structure into its JSON representation.	444	Converts a perl data structure into its JSON representation.
258		445
259	=cut	446	=cut
260		447
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	448	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		449
263	sub to_json ($) { $json_coder->encode ($_[0]) }	450	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	451	sub decode_json($) { $json_coder->decode ($_[0]) }
		452
		453	=item $ref = cf::decode_storable $scalar
		454
		455	Same as Coro::Storable::thaw, so blocks.
		456
		457	=cut
		458
		459	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		460
		461	=item $ref = cf::decode_yaml $scalar
		462
		463	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		464
		465	=cut
		466
		467	sub decode_yaml($) {
		468	fork_call { YAML::XS::Load $_[0] } @_
		469	}
		470
		471	=item $scalar = cf::decode_cbor $scalar
		472
		473	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		474	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		475	alternative.
		476
		477	=cut
		478
		479	sub decode_cbor($) {
		480	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		481	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		482	CBOR::XS::decode_cbor $_[0]
		483	}
		484
		485	=item $scalar = cf::unlzf $scalar
		486
		487	Same as Compress::LZF::compress, but takes server ticks into account, so
		488	blocks.
		489
		490	=cut
		491
		492	sub unlzf($) {
		493	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		494	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		495	Compress::LZF::decompress $_[0]
		496	}
		497
		498	=item cf::post_init { BLOCK }
		499
		500	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		501	but I<before> the server starts ticking again.
		502
		503	The codeblock will have a single boolean argument to indicate whether this
		504	is a reload or not.
		505
		506	=cut
		507
		508	sub post_init(&) {
		509	push @POST_INIT, shift;
		510	}
		511
		512	sub _post_init {
		513	trace "running post_init jobs";
		514
		515	# run them in parallel...
		516
		517	my @join;
		518
		519	while () {
		520	push @join, map &Coro::async ($_, 0), @POST_INIT;
		521	@POST_INIT = ();
		522
		523	@join or last;
		524
		525	(pop @join)->join;
		526	}
		527	}
265		528
266	=item cf::lock_wait $string	529	=item cf::lock_wait $string
267		530
268	Wait until the given lock is available. See cf::lock_acquire.	531	Wait until the given lock is available. See cf::lock_acquire.
269		532
270	=item my $lock = cf::lock_acquire $string	533	=item my $lock = cf::lock_acquire $string
271		534
272	Wait until the given lock is available and then acquires it and returns	535	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,	536	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	537	for example when the coroutine gets canceled), the lock is automatically
275	returned.	538	returned.
276		539
277	Locks are *not* recursive, locking from the same coro twice results in a	540	Locks are *not* recursive, locking from the same coro twice results in a
278	deadlocked coro.	541	deadlocked coro.
…		…
284		547
285	Return true if the lock is currently active, i.e. somebody has locked it.	548	Return true if the lock is currently active, i.e. somebody has locked it.
286		549
287	=cut	550	=cut
288		551
289	our %LOCK;	552	our $LOCKS = new Coro::SemaphoreSet;
290		553
291	sub lock_wait($) {	554	sub lock_wait($) {
292	my ($key) = @_;	555	$LOCKS->wait ($_[0]);
293
294	# wait for lock, if any
295	while ($LOCK{$key}) {
296	push @{ $LOCK{$key} }, $Coro::current;
297	Coro::schedule;
298	}
299	}	556	}
300		557
301	sub lock_acquire($) {	558	sub lock_acquire($) {
302	my ($key) = @_;	559	$LOCKS->guard ($_[0])
303
304	# wait, to be sure we are not locked
305	lock_wait $key;
306
307	$LOCK{$key} = [];
308
309	Coro::guard {
310	# wake up all waiters, to be on the safe side
311	$_->ready for @{ delete $LOCK{$key} };
312	}
313	}	560	}
314		561
315	sub lock_active($) {	562	sub lock_active($) {
316	my ($key) = @_;	563	$LOCKS->count ($_[0]) < 1
317
318	! ! $LOCK{$key}
319	}	564	}
320		565
321	sub freeze_mainloop {	566	sub freeze_mainloop {
322	return unless $TICK_WATCHER->is_active;	567	tick_inhibit_inc;
323		568
324	my $guard = Coro::guard {	569	&Guard::guard (\&tick_inhibit_dec);
325	$TICK_WATCHER->start;	570	}
326	};	571
327	$TICK_WATCHER->stop;	572	=item cf::periodic $interval, $cb
328	$guard	573
		574	Like EV::periodic, but randomly selects a starting point so that the actions
		575	get spread over time.
		576
		577	=cut
		578
		579	sub periodic($$) {
		580	my ($interval, $cb) = @_;
		581
		582	my $start = rand List::Util::min 180, $interval;
		583
		584	EV::periodic $start, $interval, 0, $cb
329	}	585	}
330		586
331	=item cf::get_slot $time[, $priority[, $name]]	587	=item cf::get_slot $time[, $priority[, $name]]
332		588
333	Allocate $time seconds of blocking CPU time at priority C<$priority>:	589	Allocate $time seconds of blocking CPU time at priority C<$priority>
334	This call blocks and returns only when you have at least C<$time> seconds	590	(default: 0): This call blocks and returns only when you have at least
335	of cpu time till the next tick. The slot is only valid till the next cede.	591	C<$time> seconds of cpu time till the next tick. The slot is only valid
		592	till the next cede.
		593
		594	Background jobs should use a priority less than zero, interactive jobs
		595	should use 100 or more.
336		596
337	The optional C<$name> can be used to identify the job to run. It might be	597	The optional C<$name> can be used to identify the job to run. It might be
338	used for statistical purposes and should identify the same time-class.	598	used for statistical purposes and should identify the same time-class.
339		599
340	Useful for short background jobs.	600	Useful for short background jobs.
341		601
342	=cut	602	=cut
343		603
344	our @SLOT_QUEUE;	604	our @SLOT_QUEUE;
345	our $SLOT_QUEUE;	605	our $SLOT_QUEUE;
		606	our $SLOT_DECAY = 0.9;
346		607
347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	608	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348	$SLOT_QUEUE = Coro::async {	609	$SLOT_QUEUE = Coro::async {
		610	$Coro::current->desc ("timeslot manager");
		611
349	my $signal = new Coro::Signal;	612	my $signal = new Coro::Signal;
		613	my $busy;
350		614
351	while () {	615	while () {
352	next_job:	616	next_job:
		617
		618	Coro::cede;
		619
353	my $avail = cf::till_tick;	620	my $avail = cf::till_tick;
354	if ($avail > 0.01) {	621
355	for (0 .. $#SLOT_QUEUE) {	622	for (0 .. $#SLOT_QUEUE) {
356	if ($SLOT_QUEUE[$_][0] < $avail) {	623	if ($SLOT_QUEUE[$_][0] <= $avail) {
		624	$busy = 0;
357	my $job = splice @SLOT_QUEUE, $_, 1, ();	625	my $job = splice @SLOT_QUEUE, $_, 1, ();
358	$job->[2]->send;	626	$job->[2]->send;
359	Coro::cede;
360	goto next_job;	627	goto next_job;
361	}	628	} else {
		629	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
362	}	630	}
363	}	631	}
364		632
365	if (@SLOT_QUEUE) {	633	if (@SLOT_QUEUE) {
366	# we do not use wait_For_tick() as it returns immediately when tick is inactive	634	wait_for_tick;
367	push @cf::WAIT_FOR_TICK, $signal;
368	$signal->wait;
369	} else {	635	} else {
		636	$busy = 0;
370	Coro::schedule;	637	Coro::schedule;
371	}	638	}
372	}	639	}
373	};	640	};
374		641
375	sub get_slot($;$$) {	642	sub get_slot($;$$) {
		643	return if tick_inhibit || $Coro::current == $Coro::main;
		644
376	my ($time, $pri, $name) = @_;	645	my ($time, $pri, $name) = @_;
377		646
378	$time = $TICK * .6 if $time > $TICK * .6;	647	$time = clamp $time, 0.01, $TICK * .6;
		648
379	my $sig = new Coro::Signal;	649	my $sig = new Coro::Signal;
380		650
381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	651	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	652	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
383	$SLOT_QUEUE->ready;	653	$SLOT_QUEUE->ready;
…		…
394		664
395	BEGIN { *async = \&Coro::async_pool }	665	BEGIN { *async = \&Coro::async_pool }
396		666
397	=item cf::sync_job { BLOCK }	667	=item cf::sync_job { BLOCK }
398		668
399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	669	The design of Deliantra requires that the main coroutine ($Coro::main)
400	is always able to handle events or runnable, as Crossfire TRT is only	670	is always able to handle events or is runnable, as Deliantra is only
401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	671	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
402	acceptable.	672	acceptable.
403		673
404	If it must be done, put the blocking parts into C<sync_job>. This will run	674	If it must be done, put the blocking parts into C<sync_job>. This will run
405	the given BLOCK in another coroutine while waiting for the result. The	675	the given BLOCK in another coroutine while waiting for the result. The
…		…
409	=cut	679	=cut
410		680
411	sub sync_job(&) {	681	sub sync_job(&) {
412	my ($job) = @_;	682	my ($job) = @_;
413		683
414	if ($Coro::current == $Coro::main) {	684	if (in_main) {
415	my $time = Event::time;	685	my $time = AE::time;
416		686
417	# this is the main coro, too bad, we have to block	687	# this is the main coro, too bad, we have to block
418	# till the operation succeeds, freezing the server :/	688	# till the operation succeeds, freezing the server :/
419		689
420	# TODO: use suspend/resume instead	690	#LOG llevError, Carp::longmess "sync job";#d#
421	# (but this is cancel-safe)	691
422	my $freeze_guard = freeze_mainloop;	692	my $freeze_guard = freeze_mainloop;
423		693
424	my $busy = 1;	694	my $busy = 1;
425	my @res;	695	my @res;
426		696
427	(async {	697	(async {
		698	$Coro::current->desc ("sync job coro");
428	@res = eval { $job->() };	699	@res = eval { $job->() };
429	warn $@ if $@;	700	error $@ if $@;
430	undef $busy;	701	undef $busy;
431	})->prio (Coro::PRIO_MAX);	702	})->prio (Coro::PRIO_MAX);
432		703
433	while ($busy) {	704	while ($busy) {
434	Coro::cede or Event::one_event;	705	if (Coro::nready) {
		706	Coro::cede_notself;
		707	} else {
		708	EV::run EV::RUN_ONCE;
435	}	709	}
		710	}
436		711
437	$time = Event::time - $time;	712	my $time = AE::time - $time;
438		713
439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
441
442	$tick_start += $time; # do not account sync jobs to server load	714	$TICK_START += $time; # do not account sync jobs to server load
443		715
444	wantarray ? @res : $res[0]	716	wantarray ? @res : $res[0]
445	} else {	717	} else {
446	# we are in another coroutine, how wonderful, everything just works	718	# we are in another coroutine, how wonderful, everything just works
447		719
…		…
467	$EXT_CORO{$coro+0} = $coro;	739	$EXT_CORO{$coro+0} = $coro;
468		740
469	$coro	741	$coro
470	}	742	}
471		743
472	=item fork_call { }, $args	744	=item fork_call { }, @args
473		745
474	Executes the given code block with the given arguments in a seperate	746	Executes the given code block with the given arguments in a seperate
475	process, returning the results. Everything must be serialisable with	747	process, returning the results. Everything must be serialisable with
476	Coro::Storable. May, of course, block. Note that the executed sub may	748	Coro::Storable. May, of course, block. Note that the executed sub may
477	never block itself or use any form of Event handling.	749	never block itself or use any form of event handling.
478		750
479	=cut	751	=cut
		752
		753	sub post_fork {
		754	reset_signals;
		755	}
480		756
481	sub fork_call(&@) {	757	sub fork_call(&@) {
482	my ($cb, @args) = @_;	758	my ($cb, @args) = @_;
483		759
484	# we seemingly have to make a local copy of the whole thing,
485	# otherwise perl prematurely frees the stuff :/
486	# TODO: investigate and fix (liekly this will be rather laborious)
487
488	my @res = Coro::Util::fork_eval {	760	my @res = Coro::Util::fork_eval {
489	reset_signals;	761	cf::post_fork;
490	&$cb	762	&$cb
491	}, @args;	763	} @args;
492		764
493	wantarray ? @res : $res[-1]	765	wantarray ? @res : $res[-1]
		766	}
		767
		768	sub objinfo {
		769	(
		770	"counter value" => cf::object::object_count,
		771	"objects created" => cf::object::create_count,
		772	"objects destroyed" => cf::object::destroy_count,
		773	"freelist size" => cf::object::free_count,
		774	"allocated objects" => cf::object::objects_size,
		775	"active objects" => cf::object::actives_size,
		776	)
		777	}
		778
		779	=item $coin = coin_from_name $name
		780
		781	=cut
		782
		783	our %coin_alias = (
		784	"silver" => "silvercoin",
		785	"silvercoin" => "silvercoin",
		786	"silvercoins" => "silvercoin",
		787	"gold" => "goldcoin",
		788	"goldcoin" => "goldcoin",
		789	"goldcoins" => "goldcoin",
		790	"platinum" => "platinacoin",
		791	"platinumcoin" => "platinacoin",
		792	"platinumcoins" => "platinacoin",
		793	"platina" => "platinacoin",
		794	"platinacoin" => "platinacoin",
		795	"platinacoins" => "platinacoin",
		796	"royalty" => "royalty",
		797	"royalties" => "royalty",
		798	);
		799
		800	sub coin_from_name($) {
		801	$coin_alias{$_[0]}
		802	? cf::arch::find $coin_alias{$_[0]}
		803	: undef
494	}	804	}
495		805
496	=item $value = cf::db_get $family => $key	806	=item $value = cf::db_get $family => $key
497		807
498	Returns a single value from the environment database.	808	Returns a single value from the environment database.
…		…
500	=item cf::db_put $family => $key => $value	810	=item cf::db_put $family => $key => $value
501		811
502	Stores the given C<$value> in the family. It can currently store binary	812	Stores the given C<$value> in the family. It can currently store binary
503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	813	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504		814
		815	=item $db = cf::db_table "name"
		816
		817	Create and/or open a new database table. The string must not be "db" and must be unique
		818	within each server.
		819
505	=cut	820	=cut
		821
		822	sub db_table($) {
		823	cf::error "db_get called from main context"
		824	if $Coro::current == $Coro::main;
		825
		826	my ($name) = @_;
		827	my $db = BDB::db_create $DB_ENV;
		828
		829	eval {
		830	$db->set_flags (BDB::CHKSUM);
		831
		832	utf8::encode $name;
		833	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		834	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		835	cf::cleanup "db_open(db): $!" if $!;
		836	};
		837	cf::cleanup "db_open(db): $@" if $@;
		838
		839	$db
		840	}
506		841
507	our $DB;	842	our $DB;
508		843
509	sub db_init {	844	sub db_init {
510	unless ($DB) {	845	$DB ||= db_table "db";
511	$DB = BDB::db_create $DB_ENV;
512
513	cf::sync_job {
514	eval {
515	$DB->set_flags (BDB::CHKSUM);
516
517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519	cf::cleanup "db_open(db): $!" if $!;
520	};
521	cf::cleanup "db_open(db): $@" if $@;
522	};
523	}
524	}	846	}
525		847
526	sub db_get($$) {	848	sub db_get($$) {
527	my $key = "$_[0]/$_[1]";	849	my $key = "$_[0]/$_[1]";
528		850
529	cf::sync_job {	851	cf::error "db_get called from main context"
		852	if $Coro::current == $Coro::main;
		853
530	BDB::db_get $DB, undef, $key, my $data;	854	BDB::db_get $DB, undef, $key, my $data;
531		855
532	$! ? ()	856	$! ? ()
533	: $data	857	: $data
534	}
535	}	858	}
536		859
537	sub db_put($$$) {	860	sub db_put($$$) {
538	BDB::dbreq_pri 4;	861	BDB::dbreq_pri 4;
539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	862	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
567		890
568	my @data;	891	my @data;
569	my $md5;	892	my $md5;
570		893
571	for (0 .. $#$src) {	894	for (0 .. $#$src) {
572	0 <= aio_load $src->[$_], $data[$_]	895	$data[$_] = load_file $src->[$_];
573	or Carp::croak "$src->[$_]: $!";
574	}	896	}
575		897
576	# if processing is expensive, check	898	# if processing is expensive, check
577	# checksum first	899	# checksum first
578	if (1) {	900	if (1) {
…		…
591		913
592	return db_get cache => "$id/data";	914	return db_get cache => "$id/data";
593	}	915	}
594	}	916	}
595		917
596	my $t1 = Time::HiRes::time;	918	my $t1 = EV::time;
597	my $data = $process->(\@data);	919	my $data = $process->(\@data);
598	my $t2 = Time::HiRes::time;	920	my $t2 = EV::time;
599		921
600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	922	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
601		923
602	db_put cache => "$id/data", $data;	924	db_put cache => "$id/data", $data;
603	db_put cache => "$id/md5" , $md5;	925	db_put cache => "$id/md5" , $md5;
604	db_put cache => "$id/meta", $meta;	926	db_put cache => "$id/meta", $meta;
605		927
…		…
615		937
616	=cut	938	=cut
617		939
618	sub datalog($@) {	940	sub datalog($@) {
619	my ($type, %kv) = @_;	941	my ($type, %kv) = @_;
620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	942	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
621	}	943	}
622		944
623	=back	945	=back
624		946
625	=cut	947	=cut
626		948
627	#############################################################################	949	#############################################################################
628		950
629	=head2 ATTACHABLE OBJECTS	951	=head2 ATTACHABLE OBJECTS
630		952
631	Many objects in crossfire are so-called attachable objects. That means you can	953	Many objects in deliantra are so-called attachable objects. That means you can
632	attach callbacks/event handlers (a collection of which is called an "attachment")	954	attach callbacks/event handlers (a collection of which is called an "attachment")
633	to it. All such attachable objects support the following methods.	955	to it. All such attachable objects support the following methods.
634		956
635	In the following description, CLASS can be any of C<global>, C<object>	957	In the following description, CLASS can be any of C<global>, C<object>
636	C<player>, C<client> or C<map> (i.e. the attachable objects in	958	C<player>, C<client> or C<map> (i.e. the attachable objects in
637	Crossfire TRT).	959	Deliantra).
638		960
639	=over 4	961	=over 4
640		962
641	=item $attachable->attach ($attachment, key => $value...)	963	=item $attachable->attach ($attachment, key => $value...)
642		964
…		…
686	=item cf::CLASS::attachment $name, ...	1008	=item cf::CLASS::attachment $name, ...
687		1009
688	Register an attachment by C<$name> through which attachable objects of the	1010	Register an attachment by C<$name> through which attachable objects of the
689	given CLASS can refer to this attachment.	1011	given CLASS can refer to this attachment.
690		1012
691	Some classes such as crossfire maps and objects can specify attachments	1013	Some classes such as deliantra maps and objects can specify attachments
692	that are attached at load/instantiate time, thus the need for a name.	1014	that are attached at load/instantiate time, thus the need for a name.
693		1015
694	These calls expect any number of the following handler/hook descriptions:	1016	These calls expect any number of the following handler/hook descriptions:
695		1017
696	=over 4	1018	=over 4
…		…
820		1142
821	} elsif (exists $cb_id{$type}) {	1143	} elsif (exists $cb_id{$type}) {
822	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1144	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
823		1145
824	} elsif (ref $type) {	1146	} elsif (ref $type) {
825	warn "attaching objects not supported, ignoring.\n";	1147	error "attaching objects not supported, ignoring.\n";
826		1148
827	} else {	1149	} else {
828	shift @arg;	1150	shift @arg;
829	warn "attach argument '$type' not supported, ignoring.\n";	1151	error "attach argument '$type' not supported, ignoring.\n";
830	}	1152	}
831	}	1153	}
832	}	1154	}
833		1155
834	sub _object_attach {	1156	sub _object_attach {
…		…
844	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
845	}	1167	}
846		1168
847	$obj->{$name} = \%arg;	1169	$obj->{$name} = \%arg;
848	} else {	1170	} else {
849	warn "object uses attachment '$name' which is not available, postponing.\n";	1171	info "object uses attachment '$name' which is not available, postponing.\n";
850	}	1172	}
851		1173
852	$obj->{_attachment}{$name} = undef;	1174	$obj->{_attachment}{$name} = undef;
853	}	1175	}
854		1176
…		…
913		1235
914	for (@$callbacks) {	1236	for (@$callbacks) {
915	eval { &{$_->[1]} };	1237	eval { &{$_->[1]} };
916		1238
917	if ($@) {	1239	if ($@) {
918	warn "$@";
919	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1240	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
920	override;	1241	override;
921	}	1242	}
922		1243
923	return 1 if $override;	1244	return 1 if $override;
924	}	1245	}
925		1246
926	0	1247	0
927	}	1248	}
928		1249
929	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1250	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
930		1251
931	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1252	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
932		1253
933	Generate an object-specific event with the given arguments.	1254	Generate an object-specific event with the given arguments.
934		1255
…		…
940		1261
941	=cut	1262	=cut
942		1263
943	#############################################################################	1264	#############################################################################
944	# object support	1265	# object support
945	#
946		1266
		1267	sub _object_equal($$);
		1268	sub _object_equal($$) {
		1269	my ($a, $b) = @_;
		1270
		1271	return 0 unless (ref $a) eq (ref $b);
		1272
		1273	if ("HASH" eq ref $a) {
		1274	my @ka = keys %$a;
		1275	my @kb = keys %$b;
		1276
		1277	return 0 if @ka != @kb;
		1278
		1279	for (0 .. $#ka) {
		1280	return 0 unless $ka[$_] eq $kb[$_];
		1281	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1282	}
		1283
		1284	} elsif ("ARRAY" eq ref $a) {
		1285
		1286	return 0 if @$a != @$b;
		1287
		1288	for (0 .. $#$a) {
		1289	return 0 unless _object_equal $a->[$_], $b->[$_];
		1290	}
		1291
		1292	} elsif ($a ne $b) {
		1293	return 0;
		1294	}
		1295
		1296	1
		1297	}
		1298
		1299	our $SLOW_MERGES;#d#
947	sub _can_merge {	1300	sub _can_merge {
948	my ($ob1, $ob2) = @_;	1301	my ($ob1, $ob2) = @_;
949		1302
950	local $Storable::canonical = 1;	1303	++$SLOW_MERGES;#d#
951	my $fob1 = Storable::freeze $ob1;
952	my $fob2 = Storable::freeze $ob2;
953		1304
954	$fob1 eq $fob2	1305	# we do the slow way here
		1306	return _object_equal $ob1, $ob2
955	}	1307	}
956		1308
957	sub reattach {	1309	sub reattach {
958	# basically do the same as instantiate, without calling instantiate	1310	# basically do the same as instantiate, without calling instantiate
959	my ($obj) = @_;	1311	my ($obj) = @_;
960		1312
		1313	# no longer needed after getting rid of delete_package?
961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1314	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
962		1315
963	my $registry = $obj->registry;	1316	my $registry = $obj->registry;
964		1317
965	@$registry = ();	1318	@$registry = ();
966		1319
…		…
971	for (@$attach) {	1324	for (@$attach) {
972	my ($klass, @attach) = @$_;	1325	my ($klass, @attach) = @$_;
973	_attach $registry, $klass, @attach;	1326	_attach $registry, $klass, @attach;
974	}	1327	}
975	} else {	1328	} else {
976	warn "object uses attachment '$name' that is not available, postponing.\n";	1329	info "object uses attachment '$name' that is not available, postponing.\n";
977	}	1330	}
978	}	1331	}
979	}	1332	}
980		1333
981	cf::attachable->attach (	1334	cf::attachable->attach (
982	prio => -1000000,	1335	prio => -1000000,
983	on_instantiate => sub {	1336	on_instantiate => sub {
984	my ($obj, $data) = @_;	1337	my ($obj, $data) = @_;
985		1338
986	$data = from_json $data;	1339	$data = decode_json $data;
987		1340
988	for (@$data) {	1341	for (@$data) {
989	my ($name, $args) = @$_;	1342	my ($name, $args) = @$_;
990		1343
991	$obj->attach ($name, %{$args || {} });	1344	$obj->attach ($name, %{$args || {} });
…		…
1007	sub object_freezer_save {	1360	sub object_freezer_save {
1008	my ($filename, $rdata, $objs) = @_;	1361	my ($filename, $rdata, $objs) = @_;
1009		1362
1010	sync_job {	1363	sync_job {
1011	if (length $$rdata) {	1364	if (length $$rdata) {
		1365	utf8::decode (my $decname = $filename);
1012	warn sprintf "saving %s (%d,%d)\n",	1366	trace sprintf "saving %s (%d,%d)\n",
1013	$filename, length $$rdata, scalar @$objs;	1367	$decname, length $$rdata, scalar @$objs
		1368	if $VERBOSE_IO;
1014		1369
1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1370	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016	chmod SAVE_MODE, $fh;	1371	aio_chmod $fh, SAVE_MODE;
1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1372	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018	aio_fsync $fh if $cf::USE_FSYNC;	1373	if ($cf::USE_FSYNC) {
		1374	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;
		1375	aio_fsync $fh;
		1376	}
1019	close $fh;	1377	aio_close $fh;
1020		1378
1021	if (@$objs) {	1379	if (@$objs) {
1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1380	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023	chmod SAVE_MODE, $fh;	1381	aio_chmod $fh, SAVE_MODE;
1024	my $data = Storable::nfreeze { version => 1, objs => $objs };	1382	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025	aio_write $fh, 0, (length $data), $data, 0;	1383	aio_write $fh, 0, (length $data), $data, 0;
1026	aio_fsync $fh if $cf::USE_FSYNC;	1384	if ($cf::USE_FSYNC) {
		1385	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;
		1386	aio_fsync $fh;
		1387	}
1027	close $fh;	1388	aio_close $fh;
1028	aio_rename "$filename.pst~", "$filename.pst";	1389	aio_rename "$filename.pst~", "$filename.pst";
1029	}	1390	}
1030	} else {	1391	} else {
1031	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1032	}	1393	}
1033		1394
1034	aio_rename "$filename~", $filename;	1395	aio_rename "$filename~", $filename;
		1396
		1397	$filename =~ s%/[^/]+$%%;
		1398	aio_pathsync $filename if $cf::USE_FSYNC;
1035	} else {	1399	} else {
1036	warn "FATAL: $filename~: $!\n";	1400	error "unable to save objects: $filename~: $!\n";
1037	}	1401	}
1038	} else {	1402	} else {
1039	aio_unlink $filename;	1403	aio_unlink $filename;
1040	aio_unlink "$filename.pst";	1404	aio_unlink "$filename.pst";
1041	}	1405	}
1042	}	1406	};
1043	}	1407	}
1044		1408
1045	sub object_freezer_as_string {	1409	sub object_freezer_as_string {
1046	my ($rdata, $objs) = @_;	1410	my ($rdata, $objs) = @_;
1047		1411
…		…
1059	or return;	1423	or return;
1060		1424
1061	unless (aio_stat "$filename.pst") {	1425	unless (aio_stat "$filename.pst") {
1062	(aio_load "$filename.pst", $av) >= 0	1426	(aio_load "$filename.pst", $av) >= 0
1063	or return;	1427	or return;
		1428
1064	$av = eval { (Storable::thaw $av)->{objs} };	1429	my $st = eval { Coro::Storable::thaw $av };
		1430	$av = $st->{objs};
1065	}	1431	}
1066		1432
		1433	utf8::decode (my $decname = $filename);
1067	warn sprintf "loading %s (%d)\n",	1434	trace sprintf "loading %s (%d,%d)\n",
1068	$filename, length $data, scalar @{$av || []};	1435	$decname, length $data, scalar @{$av || []}
		1436	if $VERBOSE_IO;
		1437
1069	return ($data, $av);	1438	($data, $av)
1070	}	1439	}
1071		1440
1072	=head2 COMMAND CALLBACKS	1441	=head2 COMMAND CALLBACKS
1073		1442
1074	=over 4	1443	=over 4
…		…
1076	=cut	1445	=cut
1077		1446
1078	#############################################################################	1447	#############################################################################
1079	# command handling &c	1448	# command handling &c
1080		1449
1081	=item cf::register_command $name => \&callback($ob,$args);	1450	=item cf::register_command $name => \&callback($ob,$args)
1082		1451
1083	Register a callback for execution when the client sends the user command	1452	Register a callback for execution when the client sends the user command
1084	$name.	1453	$name.
1085		1454
1086	=cut	1455	=cut
…		…
1092	#warn "registering command '$name/$time' to '$caller'";	1461	#warn "registering command '$name/$time' to '$caller'";
1093		1462
1094	push @{ $COMMAND{$name} }, [$caller, $cb];	1463	push @{ $COMMAND{$name} }, [$caller, $cb];
1095	}	1464	}
1096		1465
1097	=item cf::register_extcmd $name => \&callback($pl,$packet);	1466	=item cf::register_extcmd $name => \&callback($pl,@args)
1098		1467
1099	Register a callback for execution when the client sends an (synchronous)	1468	Register a callback for execution when the client sends an (synchronous)
1100	extcmd packet. Ext commands will be processed in the order they are	1469	extcmd packet. Ext commands will be processed in the order they are
1101	received by the server, like other user commands. The first argument is	1470	received by the server, like other user commands. The first argument is
1102	the logged-in player. Ext commands can only be processed after a player	1471	the logged-in player. Ext commands can only be processed after a player
1103	has logged in successfully.	1472	has logged in successfully.
1104		1473
1105	If the callback returns something, it is sent back as if reply was being	1474	The values will be sent back to the client.
1106	called.
1107		1475
		1476	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1477
		1478	Same as C<cf::register_extcmd>, but instead of returning values, the
		1479	callback needs to clal the C<$reply> function.
		1480
1108	=item cf::register_exticmd $name => \&callback($ns,$packet);	1481	=item cf::register_exticmd $name => \&callback($ns,@args)
1109		1482
1110	Register a callback for execution when the client sends an (asynchronous)	1483	Register a callback for execution when the client sends an (asynchronous)
1111	exticmd packet. Exti commands are processed by the server as soon as they	1484	exticmd packet. Exti commands are processed by the server as soon as they
1112	are received, i.e. out of order w.r.t. other commands. The first argument	1485	are received, i.e. out of order w.r.t. other commands. The first argument
1113	is a client socket. Exti commands can be received anytime, even before	1486	is a client socket. Exti commands can be received anytime, even before
1114	log-in.	1487	log-in.
1115		1488
1116	If the callback returns something, it is sent back as if reply was being	1489	The values will be sent back to the client.
1117	called.
1118		1490
1119	=cut	1491	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1120		1492
		1493	Same as C<cf::register_extcmd>, but instead of returning values, the
		1494	callback needs to clal the C<$reply> function.
		1495
		1496	=cut
		1497
1121	sub register_extcmd {	1498	sub register_extcmd($$) {
1122	my ($name, $cb) = @_;	1499	my ($name, $cb) = @_;
1123		1500
1124	$EXTCMD{$name} = $cb;	1501	$EXTCMD{$name} = $cb;
1125	}	1502	}
1126		1503
1127	sub register_exticmd {	1504	sub register_async_extcmd($$) {
1128	my ($name, $cb) = @_;	1505	my ($name, $cb) = @_;
1129		1506
		1507	$EXTACMD{$name} = $cb;
		1508	}
		1509
		1510	sub register_exticmd($$) {
		1511	my ($name, $cb) = @_;
		1512
1130	$EXTICMD{$name} = $cb;	1513	$EXTICMD{$name} = $cb;
1131	}	1514	}
1132		1515
		1516	sub register_async_exticmd($$) {
		1517	my ($name, $cb) = @_;
		1518
		1519	$EXTIACMD{$name} = $cb;
		1520	}
		1521
		1522	use File::Glob ();
		1523
1133	cf::player->attach (	1524	cf::player->attach (
1134	on_command => sub {	1525	on_unknown_command => sub {
1135	my ($pl, $name, $params) = @_;	1526	my ($pl, $name, $params) = @_;
1136		1527
1137	my $cb = $COMMAND{$name}	1528	my $cb = $COMMAND{$name}
1138	or return;	1529	or return;
1139		1530
…		…
1147	my ($pl, $buf) = @_;	1538	my ($pl, $buf) = @_;
1148		1539
1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1540	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1150		1541
1151	if (ref $msg) {	1542	if (ref $msg) {
1152	my ($type, $reply, @payload) =	1543	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1153	"ARRAY" eq ref $msg
1154	? @$msg
1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1156		1544
1157	my @reply;
1158
1159	if (my $cb = $EXTCMD{$type}) {	1545	if (my $cb = $EXTACMD{$type}) {
		1546	$cb->(
		1547	$pl,
		1548	sub {
		1549	$pl->ext_msg ("reply-$reply", @_)
		1550	if $reply;
		1551	},
		1552	@payload
		1553	);
		1554	} else {
		1555	my @reply;
		1556
		1557	if (my $cb = $EXTCMD{$type}) {
1160	@reply = $cb->($pl, @payload);	1558	@reply = $cb->($pl, @payload);
		1559	}
		1560
		1561	$pl->ext_msg ("reply-$reply", @reply)
		1562	if $reply;
1161	}	1563	}
1162		1564
1163	$pl->ext_reply ($reply, @reply)
1164	if $reply;
1165
1166	} else {	1565	} else {
1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1566	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1168	}	1567	}
1169		1568
1170	cf::override;	1569	cf::override;
1171	},	1570	},
1172	);	1571	);
1173		1572
		1573	# "readahead" all extensions
		1574	sub cache_extensions {
		1575	my $grp = IO::AIO::aio_group;
		1576
		1577	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1578	for (grep /\.ext$/, @{$_[0]}) {
		1579	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1580	}
		1581	};
		1582
		1583	$grp
		1584	}
		1585
		1586	sub _ext_cfg_reg($$$$) {
		1587	my ($rvar, $varname, $cfgname, $default) = @_;
		1588
		1589	$cfgname = lc $varname
		1590	unless length $cfgname;
		1591
		1592	$EXT_CFG{$cfgname} = [$rvar, $default];
		1593
		1594	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1595	}
		1596
1174	sub load_extensions {	1597	sub load_extensions {
		1598	info "loading extensions...";
		1599
		1600	%EXT_CFG = ();
		1601
1175	cf::sync_job {	1602	cf::sync_job {
1176	my %todo;	1603	my %todo;
1177		1604
1178	for my $path (<$LIBDIR/*.ext>) {	1605	for my $path (<$LIBDIR/*.ext>) {
1179	next unless -r $path;	1606	next unless -r $path;
…		…
1197		1624
1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1625	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1626	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1200		1627
1201	$ext{source} =	1628	$ext{source} =
1202	"package $pkg; use strict; use utf8;\n"	1629	"package $pkg; use common::sense;\n"
1203	. "#line 1 \"$path\"\n{\n"	1630	. "#line 1 \"$path\"\n{\n"
1204	. $source	1631	. $source
1205	. "\n};\n1";	1632	. "\n};\n1";
1206		1633
1207	$todo{$base} = \%ext;	1634	$todo{$base} = \%ext;
1208	}	1635	}
1209		1636
		1637	my $pass = 0;
1210	my %done;	1638	my %done;
1211	while (%todo) {	1639	while (%todo) {
1212	my $progress;	1640	my $progress;
1213		1641
		1642	++$pass;
		1643
		1644	ext:
1214	while (my ($k, $v) = each %todo) {	1645	while (my ($k, $v) = each %todo) {
1215	for (split /,\s*/, $v->{meta}{depends}) {	1646	for (split /,\s*/, $v->{meta}{depends}) {
1216	goto skip	1647	next ext
1217	unless exists $done{$_};	1648	unless exists $done{$_};
1218	}	1649	}
1219		1650
1220	warn "... loading '$k' into '$v->{pkg}'\n";	1651	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1221		1652
1222	unless (eval $v->{source}) {	1653	my $source = $v->{source};
		1654
		1655	# support "CONF varname :confname = default" pseudo-statements
		1656	$source =~ s{
		1657	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1658	}{
		1659	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1660	}gmxe;
		1661
		1662	my $active = eval $source;
		1663
		1664	if (length $@) {
1223	my $msg = $@ ? "$v->{path}: $@\n"	1665	error "$v->{path}: $@\n";
1224	: "$v->{base}: extension inactive.\n";
1225		1666
		1667	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1226	if (exists $v->{meta}{mandatory}) {	1668	if exists $v->{meta}{mandatory};
1227	warn $msg;	1669
1228	warn "mandatory extension failed to load, exiting.\n";	1670	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1229	exit 1;	1671	delete $todo{$k};
1230	}	1672	} else {
1231		1673	$done{$k} = delete $todo{$k};
1232	warn $msg;	1674	push @EXTS, $v->{pkg};
		1675	$progress = 1;
		1676
		1677	info "$v->{base}: extension inactive.\n"
		1678	unless $active;
1233	}	1679	}
1234
1235	$done{$k} = delete $todo{$k};
1236	push @EXTS, $v->{pkg};
1237	$progress = 1;
1238	}	1680	}
1239		1681
1240	skip:	1682	unless ($progress) {
1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1683	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1242	unless $progress;	1684
		1685	while (my ($k, $v) = each %todo) {
		1686	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1687	if exists $v->{meta}{mandatory};
		1688	}
		1689
		1690	last;
		1691	}
1243	}	1692	}
1244	};	1693	};
1245	}	1694	}
1246		1695
1247	#############################################################################	1696	#############################################################################
1248		1697
1249	=back	1698	=back
1250		1699
1251	=head2 CORE EXTENSIONS	1700	=head2 CORE EXTENSIONS
1252		1701
1253	Functions and methods that extend core crossfire objects.	1702	Functions and methods that extend core deliantra objects.
1254		1703
1255	=cut	1704	=cut
1256		1705
1257	package cf::player;	1706	package cf::player;
1258		1707
1259	use Coro::AIO;	1708	use Coro::AIO;
1260		1709
1261	=head3 cf::player	1710	=head3 cf::player
1262		1711
1263	=over 4	1712	=over 4
		1713
		1714	=item cf::player::num_playing
		1715
		1716	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1717
		1718	=cut
		1719
		1720	sub num_playing {
		1721	scalar grep
		1722	$_->ob->map
		1723	&& !$_->hidden
		1724	&& !$_->ob->flag (cf::FLAG_WIZ),
		1725	cf::player::list
		1726	}
1264		1727
1265	=item cf::player::find $login	1728	=item cf::player::find $login
1266		1729
1267	Returns the given player object, loading it if necessary (might block).	1730	Returns the given player object, loading it if necessary (might block).
1268		1731
…		…
1287		1750
1288	sub exists($) {	1751	sub exists($) {
1289	my ($login) = @_;	1752	my ($login) = @_;
1290		1753
1291	$cf::PLAYER{$login}	1754	$cf::PLAYER{$login}
1292	or cf::sync_job { !aio_stat path $login }	1755	or !aio_stat path $login
1293	}	1756	}
1294		1757
1295	sub find($) {	1758	sub find($) {
1296	return $cf::PLAYER{$_[0]} || do {	1759	return $cf::PLAYER{$_[0]} || do {
1297	my $login = $_[0];	1760	my $login = $_[0];
…		…
1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1767	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1768	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1769	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307	aio_unlink +(playerdir $login) . "/$login.pl";	1770	aio_unlink +(playerdir $login) . "/$login.pl";
1308		1771
1309	my $pl = load_pl path $login	1772	my $f = new_from_file cf::object::thawer path $login
1310	or return;	1773	or return;
		1774
		1775	my $pl = cf::player::load_pl $f
		1776	or return;
		1777
		1778	local $cf::PLAYER_LOADING{$login} = $pl;
		1779	$f->resolve_delayed_derefs;
1311	$cf::PLAYER{$login} = $pl	1780	$cf::PLAYER{$login} = $pl
1312	}	1781	}
1313	}	1782	}
1314	}	1783	}
		1784
		1785	cf::player->attach (
		1786	on_load => sub {
		1787	my ($pl, $path) = @_;
		1788
		1789	# restore slots saved in save, below
		1790	my $slots = delete $pl->{_slots};
		1791
		1792	$pl->ob->current_weapon ($slots->[0]);
		1793	$pl->combat_ob ($slots->[1]);
		1794	$pl->ranged_ob ($slots->[2]);
		1795	},
		1796	);
1315		1797
1316	sub save($) {	1798	sub save($) {
1317	my ($pl) = @_;	1799	my ($pl) = @_;
1318		1800
1319	return if $pl->{deny_save};	1801	return if $pl->{deny_save};
…		…
1323		1805
1324	return if $pl->{deny_save};	1806	return if $pl->{deny_save};
1325		1807
1326	aio_mkdir playerdir $pl, 0770;	1808	aio_mkdir playerdir $pl, 0770;
1327	$pl->{last_save} = $cf::RUNTIME;	1809	$pl->{last_save} = $cf::RUNTIME;
		1810
		1811	cf::get_slot 0.01;
		1812
		1813	# save slots, to be restored later
		1814	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1328		1815
1329	$pl->save_pl ($path);	1816	$pl->save_pl ($path);
1330	cf::cede_to_tick;	1817	cf::cede_to_tick;
1331	}	1818	}
1332		1819
…		…
1364	my ($pl) = @_;	1851	my ($pl) = @_;
1365		1852
1366	my $name = $pl->ob->name;	1853	my $name = $pl->ob->name;
1367		1854
1368	$pl->{deny_save} = 1;	1855	$pl->{deny_save} = 1;
1369	$pl->password ("*"); # this should lock out the player until we nuked the dir	1856	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1370		1857
1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1858	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1372	$pl->deactivate;	1859	$pl->deactivate;
		1860
		1861	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1862	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1863	ext::highscore::check ($pl->ob);
		1864
1374	$pl->ns->destroy if $pl->ns;	1865	$pl->ns->destroy if $pl->ns;
1375		1866
1376	my $path = playerdir $pl;	1867	my $path = playerdir $pl;
1377	my $temp = "$path~$cf::RUNTIME~deleting~";	1868	my $temp = "$path~$cf::RUNTIME~deleting~";
1378	aio_rename $path, $temp;	1869	aio_rename $path, $temp;
…		…
1413	or return [];	1904	or return [];
1414		1905
1415	my @logins;	1906	my @logins;
1416		1907
1417	for my $login (@$dirs) {	1908	for my $login (@$dirs) {
		1909	my $path = path $login;
		1910
		1911	# a .pst is a dead give-away for a valid player
		1912	# if no pst file found, open and chekc for blocked users
		1913	if (aio_stat "$path.pst") {
1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1914	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419	aio_read $fh, 0, 512, my $buf, 0 or next;	1915	aio_read $fh, 0, 512, my $buf, 0 or next;
1420	$buf !~ /^password -------------$/m or next; # official not-valid tag	1916	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1917	}
1421		1918
1422	utf8::decode $login;	1919	utf8::decode $login;
1423	push @logins, $login;	1920	push @logins, $login;
1424	}	1921	}
1425		1922
1426	\@logins	1923	\@logins
1427	}	1924	}
1428		1925
1429	=item $player->maps	1926	=item $player->maps
		1927
		1928	=item cf::player::maps $login
1430		1929
1431	Returns an arrayref of map paths that are private for this	1930	Returns an arrayref of map paths that are private for this
1432	player. May block.	1931	player. May block.
1433		1932
1434	=cut	1933	=cut
…		…
1452	}	1951	}
1453		1952
1454	\@paths	1953	\@paths
1455	}	1954	}
1456		1955
1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1956	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1458		1957
1459	Expand crossfire pod fragments into protocol xml.	1958	Expand deliantra pod fragments into protocol xml.
1460
1461	=cut
1462
1463	sub expand_cfpod {
1464	((my $self), (local $_)) = @_;
1465
1466	# escape & and <
1467	s/&/&amp;/g;
1468	s/(?<![BIUGHT])</&lt;/g;
1469
1470	# this is buggy, it needs to properly take care of nested <'s
1471
1472	1 while
1473	# replace B<>, I<>, U<> etc.
1474	s/B<([^\>]*)>/<b>$1<\/b>/
1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1478	# replace G<male|female> tags
1479	|| s{G<([^>|]*)\|([^>]*)>}{
1480	$self->gender ? $2 : $1
1481	}ge
1482	# replace H<hint text>
1483	|| s{H<([^\>]*)>}
1484	{
1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1487	"")
1488	[$self->{hintmode}]
1489	}ge;
1490
1491	# create single paragraphs (very hackish)
1492	s/(?<=\S)\n(?=\w)/ /g;
1493
1494	# compress some whitespace
1495	s/\s+\n/\n/g; # ws line-ends
1496	s/\n\n+/\n/g; # double lines
1497	s/^\n+//; # beginning lines
1498	s/\n+$//; # ending lines
1499
1500	$_
1501	}
1502
1503	sub hintmode {
1504	$_[0]{hintmode} = $_[1] if @_ > 1;
1505	$_[0]{hintmode}
1506	}
1507
1508	=item $player->ext_reply ($msgid, @msg)
1509
1510	Sends an ext reply to the player.
1511
1512	=cut
1513
1514	sub ext_reply($$@) {
1515	my ($self, $id, @msg) = @_;
1516
1517	$self->ns->ext_reply ($id, @msg)
1518	}
1519		1959
1520	=item $player->ext_msg ($type, @msg)	1960	=item $player->ext_msg ($type, @msg)
1521		1961
1522	Sends an ext event to the client.	1962	Sends an ext event to the client.
1523		1963
…		…
1543		1983
1544	=cut	1984	=cut
1545		1985
1546	sub find_by_path($) {	1986	sub find_by_path($) {
1547	my ($path) = @_;	1987	my ($path) = @_;
		1988
		1989	$path =~ s/^~[^\/]*//; # skip ~login
1548		1990
1549	my ($match, $specificity);	1991	my ($match, $specificity);
1550		1992
1551	for my $region (list) {	1993	for my $region (list) {
1552	if ($region->{match} && $path =~ $region->{match}) {	1994	if ($region->{match} && $path =~ $region->{match}) {
…		…
1578	our $MAX_RESET = 3600;	2020	our $MAX_RESET = 3600;
1579	our $DEFAULT_RESET = 3000;	2021	our $DEFAULT_RESET = 3000;
1580		2022
1581	sub generate_random_map {	2023	sub generate_random_map {
1582	my ($self, $rmp) = @_;	2024	my ($self, $rmp) = @_;
1583	# mit "rum" bekleckern, nicht	2025
		2026	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2027
1584	$self->_create_random_map (	2028	$self->_create_random_map ($rmp);
1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1588	$rmp->{exit_on_final_map},
1589	$rmp->{xsize}, $rmp->{ysize},
1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1596	)
1597	}	2029	}
1598		2030
1599	=item cf::map->register ($regex, $prio)	2031	=item cf::map->register ($regex, $prio)
1600		2032
1601	Register a handler for the map path matching the given regex at the	2033	Register a handler for the map path matching the given regex at the
…		…
1606		2038
1607	sub register {	2039	sub register {
1608	my (undef, $regex, $prio) = @_;	2040	my (undef, $regex, $prio) = @_;
1609	my $pkg = caller;	2041	my $pkg = caller;
1610		2042
1611	no strict;
1612	push @{"$pkg\::ISA"}, __PACKAGE__;	2043	push @{"$pkg\::ISA"}, __PACKAGE__;
1613		2044
1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2045	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1615	}	2046	}
1616		2047
1617	# also paths starting with '/'	2048	# also paths starting with '/'
1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2049	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1619		2050
1620	sub thawer_merge {	2051	sub thawer_merge {
1621	my ($self, $merge) = @_;	2052	my ($self, $merge) = @_;
1622		2053
1623	# we have to keep some variables in memory intact	2054	# we have to keep some variables in memory intact
…		…
1628	}	2059	}
1629		2060
1630	sub normalise {	2061	sub normalise {
1631	my ($path, $base) = @_;	2062	my ($path, $base) = @_;
1632		2063
1633	$path = "$path"; # make sure its a string	2064	$path = "$path"; # make sure it's a string
1634		2065
1635	$path =~ s/\.map$//;	2066	$path =~ s/\.map$//;
1636		2067
1637	# map plan:	2068	# map plan:
1638	#	2069	#
…		…
1653	$base =~ s{[^/]+/?$}{};	2084	$base =~ s{[^/]+/?$}{};
1654	$path = "$base/$path";	2085	$path = "$base/$path";
1655	}	2086	}
1656		2087
1657	for ($path) {	2088	for ($path) {
1658	redo if s{//}{/};
1659	redo if s{/\.?/}{/};	2089	redo if s{/\.?/}{/};
1660	redo if s{/[^/]+/\.\./}{/};	2090	redo if s{/[^/]+/\.\./}{/};
1661	}	2091	}
1662		2092
1663	$path	2093	$path
…		…
1677	$self->init; # pass $1 etc.	2107	$self->init; # pass $1 etc.
1678	return $self;	2108	return $self;
1679	}	2109	}
1680	}	2110	}
1681		2111
1682	Carp::cluck "unable to resolve path '$path' (base '$base').";	2112	Carp::cluck "unable to resolve path '$path' (base '$base')";
1683	()	2113	()
1684	}	2114	}
1685		2115
		2116	# may re-bless or do other evil things
1686	sub init {	2117	sub init {
1687	my ($self) = @_;	2118	my ($self) = @_;
1688		2119
1689	$self	2120	$self
1690	}	2121	}
…		…
1709		2140
1710	# the temporary/swap location	2141	# the temporary/swap location
1711	sub save_path {	2142	sub save_path {
1712	my ($self) = @_;	2143	my ($self) = @_;
1713		2144
1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2145	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1715	"$TMPDIR/$path.map"	2146	"$TMPDIR/$path.map"
1716	}	2147	}
1717		2148
1718	# the unique path, undef == no special unique path	2149	# the unique path, undef == no special unique path
1719	sub uniq_path {	2150	sub uniq_path {
1720	my ($self) = @_;	2151	my ($self) = @_;
1721		2152
1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2153	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1723	"$UNIQUEDIR/$path"	2154	"$UNIQUEDIR/$path"
1724	}
1725
1726	# and all this just because we cannot iterate over
1727	# all maps in C++...
1728	sub change_all_map_light {
1729	my ($change) = @_;
1730
1731	$_->change_map_light ($change)
1732	for grep $_->outdoor, values %cf::MAP;
1733	}	2155	}
1734		2156
1735	sub decay_objects {	2157	sub decay_objects {
1736	my ($self) = @_;	2158	my ($self) = @_;
1737		2159
…		…
1750		2172
1751	sub load_header_from($) {	2173	sub load_header_from($) {
1752	my ($self, $path) = @_;	2174	my ($self, $path) = @_;
1753		2175
1754	utf8::encode $path;	2176	utf8::encode $path;
1755	#aio_open $path, O_RDONLY, 0	2177	my $f = new_from_file cf::object::thawer $path
1756	# or return;
1757
1758	$self->_load_header ($path)
1759	or return;	2178	or return;
1760		2179
		2180	$self->_load_header ($f)
		2181	or return;
		2182
		2183	local $MAP_LOADING{$self->{path}} = $self;
		2184	$f->resolve_delayed_derefs;
		2185
1761	$self->{load_path} = $path;	2186	$self->{load_path} = $path;
1762		2187
1763	1	2188	1
1764	}	2189	}
1765		2190
		2191	# used to laod the header of an original map
1766	sub load_header_orig {	2192	sub load_header_orig {
1767	my ($self) = @_;	2193	my ($self) = @_;
1768		2194
1769	$self->load_header_from ($self->load_path)	2195	$self->load_header_from ($self->load_path)
1770	}	2196	}
1771		2197
		2198	# used to laod the header of an instantiated map
1772	sub load_header_temp {	2199	sub load_header_temp {
1773	my ($self) = @_;	2200	my ($self) = @_;
1774		2201
1775	$self->load_header_from ($self->save_path)	2202	$self->load_header_from ($self->save_path)
1776	}	2203	}
1777		2204
		2205	# called after loading the header from an instantiated map
1778	sub prepare_temp {	2206	sub prepare_temp {
1779	my ($self) = @_;	2207	my ($self) = @_;
1780		2208
1781	$self->last_access ((delete $self->{last_access})	2209	$self->last_access ((delete $self->{last_access})
1782	|| $cf::RUNTIME); #d#	2210	|| $cf::RUNTIME); #d#
1783	# safety	2211	# safety
1784	$self->{instantiate_time} = $cf::RUNTIME	2212	$self->{instantiate_time} = $cf::RUNTIME
1785	if $self->{instantiate_time} > $cf::RUNTIME;	2213	if $self->{instantiate_time} > $cf::RUNTIME;
1786	}	2214	}
1787		2215
		2216	# called after loading the header from an original map
1788	sub prepare_orig {	2217	sub prepare_orig {
1789	my ($self) = @_;	2218	my ($self) = @_;
1790		2219
1791	$self->{load_original} = 1;	2220	$self->{load_original} = 1;
1792	$self->{instantiate_time} = $cf::RUNTIME;	2221	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1816		2245
1817	sub find;	2246	sub find;
1818	sub find {	2247	sub find {
1819	my ($path, $origin) = @_;	2248	my ($path, $origin) = @_;
1820		2249
		2250	cf::cede_to_tick;
		2251
1821	$path = normalise $path, $origin && $origin->path;	2252	$path = normalise $path, $origin;
1822		2253
		2254	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1823	cf::lock_wait "map_find:$path";	2255	my $guard2 = cf::lock_acquire "map_find:$path";
1824		2256
1825	$cf::MAP{$path} || do {	2257	$cf::MAP{$path} || do {
1826	my $guard = cf::lock_acquire "map_find:$path";
1827	my $map = new_from_path cf::map $path	2258	my $map = new_from_path cf::map $path
1828	or return;	2259	or return;
1829		2260
1830	$map->{last_save} = $cf::RUNTIME;	2261	$map->{last_save} = $cf::RUNTIME;
1831		2262
…		…
1833	or return;	2264	or return;
1834		2265
1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2266	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836	# doing this can freeze the server in a sync job, obviously	2267	# doing this can freeze the server in a sync job, obviously
1837	#$cf::WAIT_FOR_TICK->wait;	2268	#$cf::WAIT_FOR_TICK->wait;
		2269	undef $guard2;
		2270	undef $guard1;
1838	$map->reset;	2271	$map->reset;
1839	undef $guard;
1840	return find $path;	2272	return find $path;
1841	}	2273	}
1842		2274
1843	$cf::MAP{$path} = $map	2275	$cf::MAP{$path} = $map
1844	}	2276	}
1845	}	2277	}
1846		2278
1847	sub pre_load { }	2279	sub pre_load { }
1848	sub post_load { }	2280	#sub post_load { } # XS
1849		2281
1850	sub load {	2282	sub load {
1851	my ($self) = @_;	2283	my ($self) = @_;
1852		2284
1853	local $self->{deny_reset} = 1; # loading can take a long time	2285	local $self->{deny_reset} = 1; # loading can take a long time
1854		2286
1855	my $path = $self->{path};	2287	my $path = $self->{path};
1856		2288
1857	{	2289	{
1858	my $guard1 = cf::lock_acquire "map_data:$path";	2290	my $guard = cf::lock_acquire "map_data:$path";
1859	my $guard2 = cf::lock_acquire "map_load:$path";
1860		2291
		2292	return unless $self->valid;
1861	return if $self->in_memory != cf::MAP_SWAPPED;	2293	return unless $self->state == cf::MAP_SWAPPED;
1862
1863	$self->in_memory (cf::MAP_LOADING);
1864		2294
1865	$self->alloc;	2295	$self->alloc;
1866		2296
1867	$self->pre_load;	2297	$self->pre_load;
1868	cf::cede_to_tick;	2298	cf::cede_to_tick;
1869		2299
1870	$self->_load_objects ($self->{load_path}, 1)	2300	if (exists $self->{load_path}) {
		2301	my $f = new_from_file cf::object::thawer $self->{load_path};
		2302	$f->skip_block;
		2303	$self->_load_objects ($f)
1871	or return;	2304	or return;
1872		2305
1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2306	$self->post_load_original
1874	if delete $self->{load_original};	2307	if delete $self->{load_original};
1875		2308
1876	if (my $uniq = $self->uniq_path) {	2309	if (my $uniq = $self->uniq_path) {
1877	utf8::encode $uniq;	2310	utf8::encode $uniq;
1878	if (aio_open $uniq, O_RDONLY, 0) {	2311	unless (aio_stat $uniq) {
		2312	if (my $f = new_from_file cf::object::thawer $uniq) {
1879	$self->clear_unique_items;	2313	$self->clear_unique_items;
1880	$self->_load_objects ($uniq, 0);	2314	$self->_load_objects ($f);
		2315	$f->resolve_delayed_derefs;
		2316	}
		2317	}
1881	}	2318	}
		2319
		2320	$f->resolve_delayed_derefs;
		2321	} else {
		2322	$self->post_load_original
		2323	if delete $self->{load_original};
1882	}	2324	}
		2325
		2326	$self->state (cf::MAP_INACTIVE);
1883		2327
1884	cf::cede_to_tick;	2328	cf::cede_to_tick;
1885	# now do the right thing for maps	2329	# now do the right thing for maps
1886	$self->link_multipart_objects;	2330	$self->link_multipart_objects;
1887	$self->difficulty ($self->estimate_difficulty)	2331	$self->difficulty ($self->estimate_difficulty)
…		…
1891	unless ($self->{deny_activate}) {	2335	unless ($self->{deny_activate}) {
1892	$self->decay_objects;	2336	$self->decay_objects;
1893	$self->fix_auto_apply;	2337	$self->fix_auto_apply;
1894	$self->update_buttons;	2338	$self->update_buttons;
1895	cf::cede_to_tick;	2339	cf::cede_to_tick;
1896	$self->set_darkness_map;	2340	#$self->activate; # no longer activate maps automatically
1897	cf::cede_to_tick;
1898	$self->activate;
1899	}	2341	}
1900		2342
1901	$self->{last_save} = $cf::RUNTIME;	2343	$self->{last_save} = $cf::RUNTIME;
1902	$self->last_access ($cf::RUNTIME);	2344	$self->last_access ($cf::RUNTIME);
1903
1904	$self->in_memory (cf::MAP_IN_MEMORY);
1905	}	2345	}
1906		2346
1907	$self->post_load;	2347	$self->post_load;
1908	}
1909		2348
		2349	1
		2350	}
		2351
		2352	# customize the map for a given player, i.e.
		2353	# return the _real_ map. used by e.g. per-player
		2354	# maps to change the path to ~playername/mappath
1910	sub customise_for {	2355	sub customise_for {
1911	my ($self, $ob) = @_;	2356	my ($self, $ob) = @_;
1912		2357
1913	return find "~" . $ob->name . "/" . $self->{path}	2358	return find "~" . $ob->name . "/" . $self->{path}
1914	if $self->per_player;	2359	if $self->per_player;
…		…
1917	# if $self->per_party;	2362	# if $self->per_party;
1918		2363
1919	$self	2364	$self
1920	}	2365	}
1921		2366
1922	# find and load all maps in the 3x3 area around a map
1923	sub load_neighbours {
1924	my ($map) = @_;
1925
1926	my @neigh; # diagonal neighbours
1927
1928	for (0 .. 3) {
1929	my $neigh = $map->tile_path ($_)
1930	or next;
1931	$neigh = find $neigh, $map
1932	or next;
1933	$neigh->load;
1934
1935	push @neigh,
1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1938	}
1939
1940	for (grep defined $_->[0], @neigh) {
1941	my ($path, $origin) = @$_;
1942	my $neigh = find $path, $origin
1943	or next;
1944	$neigh->load;
1945	}
1946	}
1947
1948	sub find_sync {	2367	sub find_sync {
1949	my ($path, $origin) = @_;	2368	my ($path, $origin) = @_;
1950		2369
1951	cf::sync_job { find $path, $origin }	2370	# it's a bug to call this from the main context
		2371	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2372	if $Coro::current == $Coro::main;
		2373
		2374	find $path, $origin
1952	}	2375	}
1953		2376
1954	sub do_load_sync {	2377	sub do_load_sync {
1955	my ($map) = @_;	2378	my ($map) = @_;
1956		2379
		2380	# it's a bug to call this from the main context
1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2381	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
1958	if $Coro::current == $Coro::main;	2382	if $Coro::current == $Coro::main;
1959		2383
1960	cf::sync_job { $map->load };	2384	$map->load;
1961	}	2385	}
1962		2386
1963	our %MAP_PREFETCH;	2387	our %MAP_PREFETCH;
1964	our $MAP_PREFETCHER = undef;	2388	our $MAP_PREFETCHER = undef;
1965		2389
1966	sub find_async {	2390	sub find_async {
1967	my ($path, $origin, $load) = @_;	2391	my ($path, $origin, $load) = @_;
1968		2392
1969	$path = normalise $path, $origin && $origin->{path};	2393	$path = normalise $path, $origin;
1970		2394
1971	if (my $map = $cf::MAP{$path}) {	2395	if (my $map = $cf::MAP{$path}) {
1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2396	return $map if !$load || $map->linkable;
1973	}	2397	}
1974		2398
1975	$MAP_PREFETCH{$path} |= $load;	2399	$MAP_PREFETCH{$path} |= $load;
1976		2400
1977	$MAP_PREFETCHER ||= cf::async {	2401	$MAP_PREFETCHER ||= cf::async {
		2402	$Coro::current->{desc} = "map prefetcher";
		2403
1978	while (%MAP_PREFETCH) {	2404	while (%MAP_PREFETCH) {
1979	while (my ($k, $v) = each %MAP_PREFETCH) {	2405	for my $k (keys %MAP_PREFETCH) {
1980	if (my $map = find $k) {	2406	if (my $map = find $k) {
1981	$map->load if $v;	2407	$map->load if $MAP_PREFETCH{$k};
1982	}	2408	}
1983		2409
1984	delete $MAP_PREFETCH{$k};	2410	delete $MAP_PREFETCH{$k};
1985	}	2411	}
1986	}	2412	}
…		…
1989	$MAP_PREFETCHER->prio (6);	2415	$MAP_PREFETCHER->prio (6);
1990		2416
1991	()	2417	()
1992	}	2418	}
1993		2419
		2420	# common code, used by both ->save and ->swapout
1994	sub save {	2421	sub _save {
1995	my ($self) = @_;	2422	my ($self) = @_;
1996
1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1998		2423
1999	$self->{last_save} = $cf::RUNTIME;	2424	$self->{last_save} = $cf::RUNTIME;
2000		2425
2001	return unless $self->dirty;	2426	return unless $self->dirty;
2002		2427
…		…
2008	return if $self->{deny_save};	2433	return if $self->{deny_save};
2009		2434
2010	local $self->{last_access} = $self->last_access;#d#	2435	local $self->{last_access} = $self->last_access;#d#
2011		2436
2012	cf::async {	2437	cf::async {
		2438	$Coro::current->{desc} = "map player save";
2013	$_->contr->save for $self->players;	2439	$_->contr->save for $self->players;
2014	};	2440	};
		2441
		2442	cf::get_slot 0.02;
2015		2443
2016	if ($uniq) {	2444	if ($uniq) {
2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2445	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2446	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2019	} else {	2447	} else {
2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2448	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2021	}	2449	}
2022	}	2450	}
2023		2451
		2452	sub save {
		2453	my ($self) = @_;
		2454
		2455	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2456
		2457	$self->_save;
		2458	}
		2459
2024	sub swap_out {	2460	sub swap_out {
2025	my ($self) = @_;	2461	my ($self) = @_;
2026		2462
2027	# save first because save cedes
2028	$self->save;
2029
2030	my $lock = cf::lock_acquire "map_data:$self->{path}";	2463	my $lock = cf::lock_acquire "map_data:$self->{path}";
2031		2464
		2465	return if !$self->linkable;
		2466	return if $self->{deny_save};
2032	return if $self->players;	2467	return if $self->players;
2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
2034	return if $self->{deny_save};
2035		2468
		2469	# first deactivate the map and "unlink" it from the core
		2470	$self->deactivate;
		2471	$_->clear_links_to ($self) for values %cf::MAP;
		2472	$self->state (cf::MAP_SWAPPED);
		2473
		2474	# then atomically save
		2475	$self->_save;
		2476
		2477	# then free the map
2036	$self->clear;	2478	$self->clear;
2037	$self->in_memory (cf::MAP_SWAPPED);
2038	}	2479	}
2039		2480
2040	sub reset_at {	2481	sub reset_at {
2041	my ($self) = @_;	2482	my ($self) = @_;
2042		2483
…		…
2060		2501
2061	my $lock = cf::lock_acquire "map_data:$self->{path}";	2502	my $lock = cf::lock_acquire "map_data:$self->{path}";
2062		2503
2063	return if $self->players;	2504	return if $self->players;
2064		2505
2065	warn "resetting map ", $self->path;	2506	cf::trace "resetting map ", $self->path, "\n";
2066		2507
2067	$self->in_memory (cf::MAP_SWAPPED);	2508	$self->state (cf::MAP_SWAPPED);
2068		2509
2069	# need to save uniques path	2510	# need to save uniques path
2070	unless ($self->{deny_save}) {	2511	unless ($self->{deny_save}) {
2071	my $uniq = $self->uniq_path; utf8::encode $uniq;	2512	my $uniq = $self->uniq_path; utf8::encode $uniq;
2072		2513
…		…
2074	if $uniq;	2515	if $uniq;
2075	}	2516	}
2076		2517
2077	delete $cf::MAP{$self->path};	2518	delete $cf::MAP{$self->path};
2078		2519
		2520	$self->deactivate;
		2521	$_->clear_links_to ($self) for values %cf::MAP;
2079	$self->clear;	2522	$self->clear;
2080
2081	$_->clear_links_to ($self) for values %cf::MAP;
2082		2523
2083	$self->unlink_save;	2524	$self->unlink_save;
2084	$self->destroy;	2525	$self->destroy;
2085	}	2526	}
2086		2527
…		…
2094		2535
2095	delete $cf::MAP{$self->path};	2536	delete $cf::MAP{$self->path};
2096		2537
2097	$self->unlink_save;	2538	$self->unlink_save;
2098		2539
2099	bless $self, "cf::map";	2540	bless $self, "cf::map::wrap";
2100	delete $self->{deny_reset};	2541	delete $self->{deny_reset};
2101	$self->{deny_save} = 1;	2542	$self->{deny_save} = 1;
2102	$self->reset_timeout (1);	2543	$self->reset_timeout (1);
2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2544	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2104		2545
…		…
2153		2594
2154	sub unique_maps() {	2595	sub unique_maps() {
2155	[	2596	[
2156	map {	2597	map {
2157	utf8::decode $_;	2598	utf8::decode $_;
2158	/\.map$/	2599	s/\.map$//; # TODO future compatibility hack
		2600	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2601	? ()
2159	? normalise $_	2602	: normalise $_
2160	: ()
2161	} @{ aio_readdir $UNIQUEDIR or [] }	2603	} @{ aio_readdir $UNIQUEDIR or [] }
2162	]	2604	]
2163	}	2605	}
2164		2606
2165	package cf;	2607	=item cf::map::static_maps
		2608
		2609	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2610	file in the shared directory excluding F</styles> and F</editor>). May
		2611	block.
		2612
		2613	=cut
		2614
		2615	sub static_maps() {
		2616	my @dirs = "";
		2617	my @maps;
		2618
		2619	while (@dirs) {
		2620	my $dir = shift @dirs;
		2621
		2622	next if $dir eq "/styles" || $dir eq "/editor";
		2623
		2624	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2625	or return;
		2626
		2627	for (@$files) {
		2628	s/\.map$// or next;
		2629	utf8::decode $_;
		2630	push @maps, "$dir/$_";
		2631	}
		2632
		2633	push @dirs, map "$dir/$_", @$dirs;
		2634	}
		2635
		2636	\@maps
		2637	}
2166		2638
2167	=back	2639	=back
2168		2640
2169	=head3 cf::object	2641	=head3 cf::object
2170		2642
…		…
2174		2646
2175	=over 4	2647	=over 4
2176		2648
2177	=item $ob->inv_recursive	2649	=item $ob->inv_recursive
2178		2650
2179	Returns the inventory of the object _and_ their inventories, recursively.	2651	Returns the inventory of the object I<and> their inventories, recursively,
		2652	but I<not> the object itself.
2180		2653
2181	=cut	2654	=cut
2182		2655
2183	sub inv_recursive_;	2656	sub inv_recursive_;
2184	sub inv_recursive_ {	2657	sub inv_recursive_ {
…		…
2187		2660
2188	sub inv_recursive {	2661	sub inv_recursive {
2189	inv_recursive_ inv $_[0]	2662	inv_recursive_ inv $_[0]
2190	}	2663	}
2191		2664
		2665	=item $ref = $ob->ref
		2666
		2667	Creates and returns a persistent reference to an object that can be stored as a string.
		2668
		2669	=item $ob = cf::object::deref ($refstring)
		2670
		2671	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2672	even if the object actually exists. May block.
		2673
		2674	=cut
		2675
		2676	sub deref {
		2677	my ($ref) = @_;
		2678
		2679	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2680	my ($uuid, $name) = ($1, $2);
		2681	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2682	or return;
		2683	$pl->ob->uuid eq $uuid
		2684	or return;
		2685
		2686	$pl->ob
		2687	} else {
		2688	warn "$ref: cannot resolve object reference\n";
		2689	undef
		2690	}
		2691	}
		2692
2192	package cf;	2693	package cf;
2193		2694
2194	=back	2695	=back
2195		2696
2196	=head3 cf::object::player	2697	=head3 cf::object::player
…		…
2202	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2703	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2203	can be C<undef>. Does the right thing when the player is currently in a	2704	can be C<undef>. Does the right thing when the player is currently in a
2204	dialogue with the given NPC character.	2705	dialogue with the given NPC character.
2205		2706
2206	=cut	2707	=cut
		2708
		2709	our $SAY_CHANNEL = {
		2710	id => "say",
		2711	title => "Map",
		2712	reply => "say ",
		2713	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2714	};
		2715
		2716	our $CHAT_CHANNEL = {
		2717	id => "chat",
		2718	title => "Chat",
		2719	reply => "chat ",
		2720	tooltip => "Player chat and shouts, global to the server.",
		2721	};
2207		2722
2208	# rough implementation of a future "reply" method that works	2723	# rough implementation of a future "reply" method that works
2209	# with dialog boxes.	2724	# with dialog boxes.
2210	#TODO: the first argument must go, split into a $npc->reply_to ( method	2725	#TODO: the first argument must go, split into a $npc->reply_to ( method
2211	sub cf::object::player::reply($$$;$) {	2726	sub cf::object::player::reply($$$;$) {
…		…
2223	my $dialog = $pl->{npc_dialog};	2738	my $dialog = $pl->{npc_dialog};
2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2739	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2225		2740
2226	} else {	2741	} else {
2227	$msg = $npc->name . " says: $msg" if $npc;	2742	$msg = $npc->name . " says: $msg" if $npc;
2228	$self->message ($msg, $flags);	2743	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2229	}	2744	}
2230	}	2745	}
2231	}	2746	}
2232		2747
2233	=item $object->send_msg ($channel, $msg, $color, [extra...])	2748	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2243	=item $player_object->may ("access")	2758	=item $player_object->may ("access")
2244		2759
2245	Returns wether the given player is authorized to access resource "access"	2760	Returns wether the given player is authorized to access resource "access"
2246	(e.g. "command_wizcast").	2761	(e.g. "command_wizcast").
2247		2762
		2763	This is implemented by checking a config setting of C<may_access> where
		2764	C<access> is replaced by the access string. The following alternatives are
		2765	possible (and are tested in order):
		2766
		2767	=over 4
		2768
		2769	=item * Player is DM
		2770
		2771	The request will succeed.
		2772
		2773	=item * may_access is an array reference
		2774
		2775	If either the player nickname or UUID is in the array, the request will
		2776	succeed, otherwise it will fail.
		2777
		2778	=item * may_access is a true value
		2779
		2780	The request will succeed.
		2781
		2782	=item * may_access is missing or false
		2783
		2784	The request will fail.
		2785
		2786	=back
		2787
2248	=cut	2788	=cut
2249		2789
2250	sub cf::object::player::may {	2790	sub cf::object::player::may {
2251	my ($self, $access) = @_;	2791	my ($self, $access) = @_;
2252		2792
2253	$self->flag (cf::FLAG_WIZ) ||	2793	$self->flag (cf::FLAG_WIZ) ||
2254	(ref $cf::CFG{"may_$access"}	2794	(ref $cf::CFG{"may_$access"}
2255	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2795	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2256	: $cf::CFG{"may_$access"})	2796	: $cf::CFG{"may_$access"})
2257	}	2797	}
2258		2798
2259	=item $player_object->enter_link	2799	=item $player_object->enter_link
2260		2800
2261	Freezes the player and moves him/her to a special map (C<{link}>).	2801	Freezes the player and moves him/her to a special map (C<{link}>).
2262		2802
2263	The player should be reasonably safe there for short amounts of time. You	2803	The player should be reasonably safe there for short amounts of time (e.g.
2264	I<MUST> call C<leave_link> as soon as possible, though.	2804	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2805	though, as the player cannot control the character while it is on the link
		2806	map.
2265		2807
2266	Will never block.	2808	This method will never block, which is the whole reaosn for it's
		2809	existance: you can I<always> put a player onto the link map, which is the
		2810	only place to put objects that is guaranteed to exist.
		2811
		2812	A typical usage pattern is to call C<enter_link> synchronously from the
		2813	server, then start a new thread, do your blocking stuff there and then
		2814	call C<leave_link> from that thread.
2267		2815
2268	=item $player_object->leave_link ($map, $x, $y)	2816	=item $player_object->leave_link ($map, $x, $y)
2269		2817
2270	Moves the player out of the special C<{link}> map onto the specified	2818	Moves the player out of the special C<{link}> map onto the specified
2271	map. If the map is not valid (or omitted), the player will be moved back	2819	map. If the map is not valid (or omitted), the player will be moved back
…		…
2289	sub cf::object::player::enter_link {	2837	sub cf::object::player::enter_link {
2290	my ($self) = @_;	2838	my ($self) = @_;
2291		2839
2292	$self->deactivate_recursive;	2840	$self->deactivate_recursive;
2293		2841
		2842	++$self->{_link_recursion};
		2843
2294	return if UNIVERSAL::isa $self->map, "ext::map_link";	2844	return if UNIVERSAL::isa $self->map, "ext::map_link";
2295		2845
2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2846	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2297	if $self->map && $self->map->{path} ne "{link}";	2847	if $self->map && $self->map->{path} ne "{link}";
2298		2848
2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2849	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2300	}	2850	}
2301		2851
2302	sub cf::object::player::leave_link {	2852	sub cf::object::player::leave_link {
2303	my ($self, $map, $x, $y) = @_;	2853	my ($self, $map, $x, $y) = @_;
2304		2854
…		…
2321	($x, $y) = (-1, -1)	2871	($x, $y) = (-1, -1)
2322	unless (defined $x) && (defined $y);	2872	unless (defined $x) && (defined $y);
2323		2873
2324	# use -1 or undef as default coordinates, not 0, 0	2874	# use -1 or undef as default coordinates, not 0, 0
2325	($x, $y) = ($map->enter_x, $map->enter_y)	2875	($x, $y) = ($map->enter_x, $map->enter_y)
2326	if $x <=0 && $y <= 0;	2876	if $x <= 0 && $y <= 0;
2327		2877
2328	$map->load;	2878	$map->load;
2329	$map->load_neighbours;
2330		2879
2331	return unless $self->contr->active;	2880	return unless $self->contr->active;
2332	$self->activate_recursive;
2333		2881
2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2882	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2335	$self->enter_map ($map, $x, $y);	2883	if ($self->enter_map ($map, $x, $y)) {
2336	}	2884	# entering was successful
		2885	delete $self->{_link_recursion};
		2886	# only activate afterwards, to support waiting in hooks
		2887	$self->activate_recursive;
		2888	}
2337		2889
		2890	}
		2891
2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2892	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2339		2893
2340	Moves the player to the given map-path and coordinates by first freezing	2894	Moves the player to the given map-path and coordinates by first freezing
2341	her, loading and preparing them map, calling the provided $check callback	2895	her, loading and preparing them map, calling the provided $check callback
2342	that has to return the map if sucecssful, and then unfreezes the player on	2896	that has to return the map if sucecssful, and then unfreezes the player on
2343	the new (success) or old (failed) map position. In either case, $done will	2897	the new (success) or old (failed) map position. In either case, $done will
2344	be called at the end of this process.	2898	be called at the end of this process.
2345		2899
		2900	Note that $check will be called with a potentially non-loaded map, so if
		2901	it needs a loaded map it has to call C<< ->load >>.
		2902
2346	=cut	2903	=cut
2347		2904
2348	our $GOTOGEN;	2905	our $GOTOGEN;
2349		2906
2350	sub cf::object::player::goto {	2907	sub cf::object::player::goto {
2351	my ($self, $path, $x, $y, $check, $done) = @_;	2908	my ($self, $path, $x, $y, $check, $done) = @_;
2352		2909
		2910	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2911	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2912	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2913	($path, $x, $y) = @$EMERGENCY_POSITION;
		2914	}
		2915
2353	# do generation counting so two concurrent goto's will be executed in-order	2916	# do generation counting so two concurrent goto's will be executed in-order
2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2917	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2355		2918
2356	$self->enter_link;	2919	$self->enter_link;
2357		2920
2358	(async {	2921	(async {
		2922	$Coro::current->{desc} = "player::goto $path $x $y";
		2923
		2924	# *tag paths override both path and x|y
		2925	if ($path =~ /^\*(.*)$/) {
		2926	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2927	my $ob = $obs[rand @obs];
		2928
		2929	# see if we actually can go there
		2930	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2931	$ob = $obs[rand @obs];
		2932	} else {
		2933	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2934	}
		2935	# else put us there anyways for now #d#
		2936
		2937	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2938	} else {
		2939	($path, $x, $y) = (undef, undef, undef);
		2940	}
		2941	}
		2942
2359	my $map = eval {	2943	my $map = eval {
2360	my $map = cf::map::find $path;	2944	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2361		2945
2362	if ($map) {	2946	if ($map) {
2363	$map = $map->customise_for ($self);	2947	$map = $map->customise_for ($self);
2364	$map = $check->($map) if $check && $map;	2948	$map = $check->($map, $x, $y, $self) if $check && $map;
2365	} else {	2949	} else {
2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2950	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2367	}	2951	}
2368		2952
2369	$map	2953	$map
2370	};	2954	};
2371		2955
…		…
2377	if ($gen == $self->{_goto_generation}) {	2961	if ($gen == $self->{_goto_generation}) {
2378	delete $self->{_goto_generation};	2962	delete $self->{_goto_generation};
2379	$self->leave_link ($map, $x, $y);	2963	$self->leave_link ($map, $x, $y);
2380	}	2964	}
2381		2965
2382	$done->() if $done;	2966	$done->($self) if $done;
2383	})->prio (1);	2967	})->prio (1);
2384	}	2968	}
2385		2969
2386	=item $player_object->enter_exit ($exit_object)	2970	=item $player_object->enter_exit ($exit_object)
2387		2971
…		…
2407	}	2991	}
2408		2992
2409	sub prepare_random_map {	2993	sub prepare_random_map {
2410	my ($exit) = @_;	2994	my ($exit) = @_;
2411		2995
2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
2413
2414	# all this does is basically replace the /! path by	2996	# all this does is basically replace the /! path by
2415	# a new random map path (?random/...) with a seed	2997	# a new random map path (?random/...) with a seed
2416	# that depends on the exit object	2998	# that depends on the exit object
2417		2999
2418	my $rmp = parse_random_map_params $exit->msg;	3000	my $rmp = parse_random_map_params $exit->msg;
…		…
2420	if ($exit->map) {	3002	if ($exit->map) {
2421	$rmp->{region} = $exit->region->name;	3003	$rmp->{region} = $exit->region->name;
2422	$rmp->{origin_map} = $exit->map->path;	3004	$rmp->{origin_map} = $exit->map->path;
2423	$rmp->{origin_x} = $exit->x;	3005	$rmp->{origin_x} = $exit->x;
2424	$rmp->{origin_y} = $exit->y;	3006	$rmp->{origin_y} = $exit->y;
		3007
		3008	$exit->map->touch;
2425	}	3009	}
2426		3010
2427	$rmp->{random_seed} ||= $exit->random_seed;	3011	$rmp->{random_seed} ||= $exit->random_seed;
2428		3012
2429	my $data = cf::to_json $rmp;	3013	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2430	my $md5 = Digest::MD5::md5_hex $data;	3014	my $md5 = Digest::MD5::md5_hex $data;
2431	my $meta = "$RANDOMDIR/$md5.meta";	3015	my $meta = "$RANDOMDIR/$md5.meta";
2432		3016
2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3017	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2434	aio_write $fh, 0, (length $data), $data, 0;	3018	aio_write $fh, 0, (length $data), $data, 0;
2435	undef $fh;	3019	undef $fh;
2436	aio_rename "$meta~", $meta;	3020	aio_rename "$meta~", $meta;
2437		3021
		3022	my $slaying = "?random/$md5";
		3023
		3024	if ($exit->valid) {
2438	$exit->slaying ("?random/$md5");	3025	$exit->slaying ("?random/$md5");
2439	$exit->msg (undef);	3026	$exit->msg (undef);
		3027	}
2440	}	3028	}
2441	}	3029	}
2442		3030
2443	sub cf::object::player::enter_exit {	3031	sub cf::object::player::enter_exit {
2444	my ($self, $exit) = @_;	3032	my ($self, $exit) = @_;
2445		3033
2446	return unless $self->type == cf::PLAYER;	3034	return unless $self->type == cf::PLAYER;
2447		3035
2448	if ($exit->slaying eq "/!") {
2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
2450	# the problem is that $exit might not survive long enough
2451	# so it needs to be done right now, right here
2452	cf::sync_job { prepare_random_map $exit };
2453	}
2454
2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2456	my $hp = $exit->stats->hp;
2457	my $sp = $exit->stats->sp;
2458
2459	$self->enter_link;	3036	$self->enter_link;
2460		3037
2461	# if exit is damned, update players death & WoR home-position
2462	$self->contr->savebed ($slaying, $hp, $sp)
2463	if $exit->flag (FLAG_DAMNED);
2464
2465	(async {	3038	(async {
2466	$self->deactivate_recursive; # just to be sure	3039	$Coro::current->{desc} = "enter_exit";
		3040
2467	unless (eval {	3041	unless (eval {
		3042	$self->deactivate_recursive; # just to be sure
		3043
		3044	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3045	my $x = $exit->stats->hp;
		3046	my $y = $exit->stats->sp;
		3047
		3048	# special map handling
		3049	my $slaying = $exit->slaying;
		3050
		3051	# special map handling
		3052	if ($slaying eq "/!") {
		3053	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3054
		3055	prepare_random_map $exit
		3056	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3057
		3058	$map = $exit->slaying;
		3059
		3060	} elsif ($slaying eq '!up') {
		3061	$map = $exit->map->tile_path (cf::TILE_UP);
		3062	$x = $exit->x;
		3063	$y = $exit->y;
		3064
		3065	} elsif ($slaying eq '!down') {
		3066	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3067	$x = $exit->x;
		3068	$y = $exit->y;
		3069	}
		3070
2468	$self->goto ($slaying, $hp, $sp);	3071	$self->goto ($map, $x, $y);
2469		3072
		3073	# if exit is damned, update players death & WoR home-position
		3074	$self->contr->savebed ($map, $x, $y)
		3075	if $exit->flag (cf::FLAG_DAMNED);
		3076
2470	1;	3077	1
2471	}) {	3078	}) {
2472	$self->message ("Something went wrong deep within the crossfire server. "	3079	$self->message ("Something went wrong deep within the deliantra server. "
2473	. "I'll try to bring you back to the map you were before. "	3080	. "I'll try to bring you back to the map you were before. "
2474	. "Please report this to the dungeon master!",	3081	. "Please report this to the dungeon master!",
2475	cf::NDI_UNIQUE | cf::NDI_RED);	3082	cf::NDI_UNIQUE | cf::NDI_RED);
2476		3083
2477	warn "ERROR in enter_exit: $@";	3084	error "ERROR in enter_exit: $@";
2478	$self->leave_link;	3085	$self->leave_link;
2479	}	3086	}
2480	})->prio (1);	3087	})->prio (1);
2481	}	3088	}
2482		3089
2483	=head3 cf::client	3090	=head3 cf::client
2484		3091
2485	=over 4	3092	=over 4
2486		3093
2487	=item $client->send_drawinfo ($text, $flags)	3094	=item $client->send_big_packet ($pkt)
2488		3095
2489	Sends a drawinfo packet to the client. Circumvents output buffering so	3096	Like C<send_packet>, but tries to compress large packets, and fragments
2490	should not be used under normal circumstances.	3097	them as required.
2491		3098
2492	=cut	3099	=cut
2493		3100
		3101	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3102
2494	sub cf::client::send_drawinfo {	3103	sub cf::client::send_big_packet {
2495	my ($self, $text, $flags) = @_;	3104	my ($self, $pkt) = @_;
2496		3105
2497	utf8::encode $text;	3106	# try lzf for large packets
2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3107	$pkt = "lzf " . Compress::LZF::compress $pkt
		3108	if 1024 <= length $pkt and $self->{can_lzf};
		3109
		3110	# split very large packets
		3111	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3112	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3113	$pkt = "frag";
		3114	}
		3115
		3116	$self->send_packet ($pkt);
2499	}	3117	}
2500		3118
2501	=item $client->send_msg ($channel, $msg, $color, [extra...])	3119	=item $client->send_msg ($channel, $msg, $color, [extra...])
2502		3120
2503	Send a drawinfo or msg packet to the client, formatting the msg for the	3121	Send a msg packet to the client, formatting the msg for the client if
2504	client if neccessary. C<$type> should be a string identifying the type of	3122	necessary. C<$type> should be a string identifying the type of the
2505	the message, with C<log> being the default. If C<$color> is negative, suppress	3123	message, with C<log> being the default. If C<$color> is negative, suppress
2506	the message unless the client supports the msg packet.	3124	the message unless the client supports the msg packet.
2507		3125
2508	=cut	3126	=cut
2509		3127
		3128	# non-persistent channels (usually the info channel)
2510	our %CHANNEL = (	3129	our %CHANNEL = (
		3130	"c/motd" => {
		3131	id => "infobox",
		3132	title => "MOTD",
		3133	reply => undef,
		3134	tooltip => "The message of the day",
		3135	},
2511	"c/identify" => {	3136	"c/identify" => {
2512	id => "identify",	3137	id => "infobox",
2513	title => "Identify",	3138	title => "Identify",
2514	reply => undef,	3139	reply => undef,
2515	tooltip => "Items recently identified",	3140	tooltip => "Items recently identified",
2516	},	3141	},
2517	"c/examine" => {	3142	"c/examine" => {
2518	id => "examine",	3143	id => "infobox",
2519	title => "Examine",	3144	title => "Examine",
2520	reply => undef,	3145	reply => undef,
2521	tooltip => "Signs and other items you examined",	3146	tooltip => "Signs and other items you examined",
2522	},	3147	},
		3148	"c/shopinfo" => {
		3149	id => "infobox",
		3150	title => "Shop Info",
		3151	reply => undef,
		3152	tooltip => "What your bargaining skill tells you about the shop",
		3153	},
		3154	"c/book" => {
		3155	id => "infobox",
		3156	title => "Book",
		3157	reply => undef,
		3158	tooltip => "The contents of a note or book",
		3159	},
		3160	"c/lookat" => {
		3161	id => "infobox",
		3162	title => "Look",
		3163	reply => undef,
		3164	tooltip => "What you saw there",
		3165	},
		3166	"c/who" => {
		3167	id => "infobox",
		3168	title => "Players",
		3169	reply => undef,
		3170	tooltip => "Shows players who are currently online",
		3171	},
		3172	"c/body" => {
		3173	id => "infobox",
		3174	title => "Body Parts",
		3175	reply => undef,
		3176	tooltip => "Shows which body parts you possess and are available",
		3177	},
		3178	"c/statistics" => {
		3179	id => "infobox",
		3180	title => "Statistics",
		3181	reply => undef,
		3182	tooltip => "Shows your primary statistics",
		3183	},
		3184	"c/skills" => {
		3185	id => "infobox",
		3186	title => "Skills",
		3187	reply => undef,
		3188	tooltip => "Shows your experience per skill and item power",
		3189	},
		3190	"c/shopitems" => {
		3191	id => "infobox",
		3192	title => "Shop Items",
		3193	reply => undef,
		3194	tooltip => "Shows the items currently for sale in this shop",
		3195	},
		3196	"c/resistances" => {
		3197	id => "infobox",
		3198	title => "Resistances",
		3199	reply => undef,
		3200	tooltip => "Shows your resistances",
		3201	},
		3202	"c/pets" => {
		3203	id => "infobox",
		3204	title => "Pets",
		3205	reply => undef,
		3206	tooltip => "Shows information abotu your pets/a specific pet",
		3207	},
		3208	"c/perceiveself" => {
		3209	id => "infobox",
		3210	title => "Perceive Self",
		3211	reply => undef,
		3212	tooltip => "You gained detailed knowledge about yourself",
		3213	},
		3214	"c/uptime" => {
		3215	id => "infobox",
		3216	title => "Uptime",
		3217	reply => undef,
		3218	tooltip => "How long the server has been running since last restart",
		3219	},
		3220	"c/mapinfo" => {
		3221	id => "infobox",
		3222	title => "Map Info",
		3223	reply => undef,
		3224	tooltip => "Information related to the maps",
		3225	},
		3226	"c/party" => {
		3227	id => "party",
		3228	title => "Party",
		3229	reply => "gsay ",
		3230	tooltip => "Messages and chat related to your party",
		3231	},
		3232	"c/death" => {
		3233	id => "death",
		3234	title => "Death",
		3235	reply => undef,
		3236	tooltip => "Reason for and more info about your most recent death",
		3237	},
		3238	"c/fatal" => {
		3239	id => "fatal",
		3240	title => "Fatal Error",
		3241	reply => undef,
		3242	tooltip => "Reason for the server disconnect",
		3243	},
		3244	"c/say" => $SAY_CHANNEL,
		3245	"c/chat" => $CHAT_CHANNEL,
2523	);	3246	);
2524		3247
2525	sub cf::client::send_msg {	3248	sub cf::client::send_msg {
2526	my ($self, $channel, $msg, $color, @extra) = @_;	3249	my ($self, $channel, $msg, $color, @extra) = @_;
2527		3250
2528	$msg = $self->pl->expand_cfpod ($msg);	3251	$msg = $self->pl->expand_cfpod ($msg)
		3252	unless $color & cf::NDI_VERBATIM;
2529		3253
2530	$color &= cf::NDI_CLIENT_MASK; # just in case...	3254	$color &= cf::NDI_CLIENT_MASK; # just in case...
2531		3255
2532	# check predefined channels, for the benefit of C	3256	# check predefined channels, for the benefit of C
2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3257	if ($CHANNEL{$channel}) {
		3258	$channel = $CHANNEL{$channel};
2534		3259
		3260	$self->ext_msg (channel_info => $channel);
		3261	$channel = $channel->{id};
		3262
2535	if (ref $channel) {	3263	} elsif (ref $channel) {
2536	# send meta info to client, if not yet sent	3264	# send meta info to client, if not yet sent
2537	unless (exists $self->{channel}{$channel->{id}}) {	3265	unless (exists $self->{channel}{$channel->{id}}) {
2538	$self->{channel}{$channel->{id}} = $channel;	3266	$self->{channel}{$channel->{id}} = $channel;
2539	$self->ext_msg (channel_info => $channel)	3267	$self->ext_msg (channel_info => $channel);
2540	if $self->can_msg;
2541	}	3268	}
2542		3269
2543	$channel = $channel->{id};	3270	$channel = $channel->{id};
2544	}	3271	}
2545		3272
2546	return unless @extra || length $msg;	3273	return unless @extra || length $msg;
2547		3274
2548	if ($self->can_msg) {
2549	# default colour, mask it out	3275	# default colour, mask it out
2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3276	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2551	if $color & cf::NDI_DEF;	3277	if $color & cf::NDI_DEF;
2552		3278
2553	$self->send_packet ("msg " . $self->{json_coder}->encode (	3279	my $pkt = "msg "
		3280	. $self->{json_coder}->encode (
2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3281	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2555	} else {	3282	);
2556	if ($color >= 0) {
2557	# replace some tags by gcfclient-compatible ones
2558	for ($msg) {
2559	1 while
2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2565	}
2566		3283
2567	$color &= cf::NDI_COLOR_MASK;	3284	$self->send_big_packet ($pkt);
2568
2569	utf8::encode $msg;
2570
2571	if (0 && $msg =~ /\[/) {
2572	# COMMAND/INFO
2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
2574	} else {
2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2576	$self->send_packet ("drawinfo $color $msg")
2577	}
2578	}
2579	}
2580	}	3285	}
2581		3286
2582	=item $client->ext_msg ($type, @msg)	3287	=item $client->ext_msg ($type, @msg)
2583		3288
2584	Sends an ext event to the client.	3289	Sends an ext event to the client.
…		…
2586	=cut	3291	=cut
2587		3292
2588	sub cf::client::ext_msg($$@) {	3293	sub cf::client::ext_msg($$@) {
2589	my ($self, $type, @msg) = @_;	3294	my ($self, $type, @msg) = @_;
2590		3295
2591	if ($self->extcmd == 2) {
2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3296	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2593	} elsif ($self->extcmd == 1) { # TODO: remove
2594	push @msg, msgtype => "event_$type";
2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2596	}
2597	}
2598
2599	=item $client->ext_reply ($msgid, @msg)
2600
2601	Sends an ext reply to the client.
2602
2603	=cut
2604
2605	sub cf::client::ext_reply($$@) {
2606	my ($self, $id, @msg) = @_;
2607
2608	if ($self->extcmd == 2) {
2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2610	} elsif ($self->extcmd == 1) {
2611	#TODO: version 1, remove
2612	unshift @msg, msgtype => "reply", msgid => $id;
2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2614	}
2615	}	3297	}
2616		3298
2617	=item $success = $client->query ($flags, "text", \&cb)	3299	=item $success = $client->query ($flags, "text", \&cb)
2618		3300
2619	Queues a query to the client, calling the given callback with	3301	Queues a query to the client, calling the given callback with
…		…
2639		3321
2640	$self->send_packet ($self->{query_queue}[0][0])	3322	$self->send_packet ($self->{query_queue}[0][0])
2641	if @{ $self->{query_queue} } == 1;	3323	if @{ $self->{query_queue} } == 1;
2642		3324
2643	1	3325	1
		3326	}
		3327
		3328	=item $client->update_command_faces
		3329
		3330	=cut
		3331
		3332	our %COMMAND_FACE;
		3333
		3334	sub cf::client::update_command_faces {
		3335	my ($self) = @_;
		3336
		3337	my @faces = grep $_,
		3338	$COMMAND_FACE{preferred},
		3339	$COMMAND_FACE{standard},
		3340	$COMMAND_FACE{skill},
		3341	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3342	$COMMAND_FACE{emote},
		3343	;
		3344
		3345	$self->send_face ($_)
		3346	for @faces;
		3347	$self->flush_fx;
		3348
		3349	$self->ext_msg (command_list => @faces);
		3350	}
		3351
		3352	=item cf::client::set_command_face $type, $commands
		3353
		3354	=cut
		3355
		3356	sub cf::client::set_command_face {
		3357	my ($type, $list) = @_;
		3358
		3359	my $idx = &cf::face::set ( #d# ugly forward reference
		3360	"command_list/$type" => cf::FT_RSRC,
		3361	JSON::XS->new->utf8->encode ([ sort @$list ])
		3362	);
		3363
		3364	$COMMAND_FACE{$type} = $idx;
2644	}	3365	}
2645		3366
2646	cf::client->attach (	3367	cf::client->attach (
2647	on_connect => sub {	3368	on_connect => sub {
2648	my ($ns) = @_;	3369	my ($ns) = @_;
…		…
2674	my ($ns, $buf) = @_;	3395	my ($ns, $buf) = @_;
2675		3396
2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3397	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2677		3398
2678	if (ref $msg) {	3399	if (ref $msg) {
2679	my ($type, $reply, @payload) =	3400	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2680	"ARRAY" eq ref $msg
2681	? @$msg
2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2683		3401
2684	my @reply;
2685
2686	if (my $cb = $EXTICMD{$type}) {	3402	if (my $cb = $EXTIACMD{$type}) {
		3403	$cb->(
		3404	$ns,
		3405	sub {
		3406	$ns->ext_msg ("reply-$reply", @_)
		3407	if $reply;
		3408	},
		3409	@payload
		3410	);
		3411	} else {
		3412	my @reply;
		3413
		3414	if (my $cb = $EXTICMD{$type}) {
2687	@reply = $cb->($ns, @payload);	3415	@reply = $cb->($ns, @payload);
		3416	}
		3417
		3418	$ns->ext_msg ("reply-$reply", @reply)
		3419	if $reply;
2688	}	3420	}
2689
2690	$ns->ext_reply ($reply, @reply)
2691	if $reply;
2692
2693	} else {	3421	} else {
2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3422	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2695	}	3423	}
2696		3424
2697	cf::override;	3425	cf::override;
2698	},	3426	},
2699	);	3427	);
…		…
2719		3447
2720	$coro	3448	$coro
2721	}	3449	}
2722		3450
2723	cf::client->attach (	3451	cf::client->attach (
2724	on_destroy => sub {	3452	on_client_destroy => sub {
2725	my ($ns) = @_;	3453	my ($ns) = @_;
2726		3454
2727	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3455	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2728	},	3456	},
2729	);	3457	);
…		…
2745	our $safe_hole = new Safe::Hole;	3473	our $safe_hole = new Safe::Hole;
2746		3474
2747	$SIG{FPE} = 'IGNORE';	3475	$SIG{FPE} = 'IGNORE';
2748		3476
2749	$safe->permit_only (Opcode::opset qw(	3477	$safe->permit_only (Opcode::opset qw(
2750	:base_core :base_mem :base_orig :base_math	3478	:base_core :base_mem :base_orig :base_math :base_loop
2751	grepstart grepwhile mapstart mapwhile	3479	grepstart grepwhile mapstart mapwhile
2752	sort time	3480	sort time
2753	));	3481	));
2754		3482
2755	# here we export the classes and methods available to script code	3483	# here we export the classes and methods available to script code
…		…
2757	=pod	3485	=pod
2758		3486
2759	The following functions and methods are available within a safe environment:	3487	The following functions and methods are available within a safe environment:
2760		3488
2761	cf::object	3489	cf::object
2762	contr pay_amount pay_player map x y force_find force_add	3490	contr pay_amount pay_player map x y force_find force_add destroy
2763	insert remove name archname title slaying race decrease_ob_nr	3491	insert remove name archname title slaying race decrease split
		3492	value
2764		3493
2765	cf::object::player	3494	cf::object::player
2766	player	3495	player
2767		3496
2768	cf::player	3497	cf::player
…		…
2773		3502
2774	=cut	3503	=cut
2775		3504
2776	for (	3505	for (
2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3506	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2778	insert remove inv name archname title slaying race	3507	insert remove inv nrof name archname title slaying race
2779	decrease_ob_nr)],	3508	decrease split destroy change_exp value msg lore send_msg)],
2780	["cf::object::player" => qw(player)],	3509	["cf::object::player" => qw(player)],
2781	["cf::player" => qw(peaceful)],	3510	["cf::player" => qw(peaceful send_msg)],
2782	["cf::map" => qw(trigger)],	3511	["cf::map" => qw(trigger)],
2783	) {	3512	) {
2784	no strict 'refs';
2785	my ($pkg, @funs) = @$_;	3513	my ($pkg, @funs) = @$_;
2786	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3514	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2787	for @funs;	3515	for @funs;
2788	}	3516	}
2789		3517
…		…
2804		3532
2805	my $qcode = $code;	3533	my $qcode = $code;
2806	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3534	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2807	$qcode =~ s/\n/\\n/g;	3535	$qcode =~ s/\n/\\n/g;
2808		3536
		3537	%vars = (_dummy => 0) unless %vars;
		3538
		3539	my @res;
2809	local $_;	3540	local $_;
2810	local @safe::cf::_safe_eval_args = values %vars;
2811		3541
2812	my $eval =	3542	my $eval =
2813	"do {\n"	3543	"do {\n"
2814	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3544	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2815	. "#line 0 \"{$qcode}\"\n"	3545	. "#line 0 \"{$qcode}\"\n"
2816	. $code	3546	. $code
2817	. "\n}"	3547	. "\n}"
2818	;	3548	;
2819		3549
		3550	if ($CFG{safe_eval}) {
2820	sub_generation_inc;	3551	sub_generation_inc;
		3552	local @safe::cf::_safe_eval_args = values %vars;
2821	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3553	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2822	sub_generation_inc;	3554	sub_generation_inc;
		3555	} else {
		3556	local @cf::_safe_eval_args = values %vars;
		3557	@res = wantarray ? eval eval : scalar eval $eval;
		3558	}
2823		3559
2824	if ($@) {	3560	if ($@) {
2825	warn "$@";	3561	warn "$@",
2826	warn "while executing safe code '$code'\n";	3562	"while executing safe code '$code'\n",
2827	warn "with arguments " . (join " ", %vars) . "\n";	3563	"with arguments " . (join " ", %vars) . "\n";
2828	}	3564	}
2829		3565
2830	wantarray ? @res : $res[0]	3566	wantarray ? @res : $res[0]
2831	}	3567	}
2832		3568
…		…
2846	=cut	3582	=cut
2847		3583
2848	sub register_script_function {	3584	sub register_script_function {
2849	my ($fun, $cb) = @_;	3585	my ($fun, $cb) = @_;
2850		3586
2851	no strict 'refs';	3587	$fun = "safe::$fun" if $CFG{safe_eval};
2852	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3588	*$fun = $safe_hole->wrap ($cb);
2853	}	3589	}
2854		3590
2855	=back	3591	=back
2856		3592
2857	=cut	3593	=cut
2858		3594
2859	#############################################################################	3595	#############################################################################
2860	# the server's init and main functions	3596	# the server's init and main functions
2861		3597
		3598	{
		3599	package cf::face;
		3600
		3601	our %HASH; # hash => idx
		3602	our @DATA; # dynamically-created facedata, only faceste 0 used
		3603	our @FOFS; # file offset, if > 0
		3604	our @SIZE; # size of face, in octets
		3605	our @META; # meta hash of face, if any
		3606	our $DATAFH; # facedata filehandle
		3607
		3608	# internal api, not finalised
		3609	sub set {
		3610	my ($name, $type, $data) = @_;
		3611
		3612	my $idx = cf::face::find $name;
		3613
		3614	if ($idx) {
		3615	delete $HASH{cf::face::get_csum $idx};
		3616	} else {
		3617	$idx = cf::face::alloc $name;
		3618	}
		3619
		3620	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3621
		3622	cf::face::set_type $idx, $type;
		3623	cf::face::set_csum $idx, 0, $hash;
		3624
		3625	# we need to destroy the SV itself, not just modify it, as a running ix
		3626	# might hold a reference to it: "delete" achieves that.
		3627	delete $FOFS[0][$idx];
		3628	delete $DATA[0][$idx];
		3629	$DATA[0][$idx] = $data;
		3630	$SIZE[0][$idx] = length $data;
		3631	delete $META[$idx];
		3632	$HASH{$hash} = $idx;#d#
		3633
		3634	$idx
		3635	}
		3636
		3637	sub _get_data($$$) {
		3638	my ($idx, $set, $cb) = @_;
		3639
		3640	if (defined $DATA[$set][$idx]) {
		3641	$cb->($DATA[$set][$idx]);
		3642	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3643	my $size = $SIZE[$set][$idx];
		3644	my $buf;
		3645	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3646	if ($_[0] == $size) {
		3647	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3648	$cb->($buf);
		3649	} else {
		3650	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3651	}
		3652	};
		3653	} else {
		3654	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3655	}
		3656	}
		3657
		3658	# rather ineffient
		3659	sub cf::face::get_data($;$) {
		3660	my ($idx, $set) = @_;
		3661
		3662	_get_data $idx, $set, Coro::rouse_cb;
		3663	Coro::rouse_wait
		3664	}
		3665
		3666	sub cf::face::ix {
		3667	my ($ns, $set, $idx, $pri) = @_;
		3668
		3669	_get_data $idx, $set, sub {
		3670	$ns->ix_send ($idx, $pri, $_[0]);
		3671	};
		3672	}
		3673	}
		3674
2862	sub load_facedata($) {	3675	sub load_facedata($) {
2863	my ($path) = @_;	3676	my ($path) = @_;
2864		3677
2865	# HACK to clear player env face cache, we need some signal framework
2866	# for this (global event?)
2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2868
2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3678	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2870		3679
2871	warn "loading facedata from $path\n";	3680	trace "loading facedata from $path\n";
2872		3681
2873	my $facedata;	3682	my $facedata = decode_storable load_file "$path/faceinfo";
2874	0 < aio_load $path, $facedata
2875	or die "$path: $!";
2876
2877	$facedata = Coro::Storable::thaw $facedata;
2878		3683
2879	$facedata->{version} == 2	3684	$facedata->{version} == 2
2880	or cf::cleanup "$path: version mismatch, cannot proceed.";	3685	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
2881		3686
2882	# patch in the exptable	3687	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
2883	$facedata->{resource}{"res/exp_table"} = {	3688	or cf::cleanup "$path/facedata: $!, cannot proceed.";
2884	type => FT_RSRC,	3689
2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3690	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
2886	};	3691
2887	cf::cede_to_tick;	3692	# BEGIN ATOMIC
		3693	# from here on, everything must be atomic - no thread switch allowed
		3694	my $t1 = EV::time;
2888		3695
2889	{	3696	{
2890	my $faces = $facedata->{faceinfo};	3697	my $faces = $facedata->{faceinfo};
2891		3698
2892	while (my ($face, $info) = each %$faces) {	3699	for my $face (sort keys %$faces) {
		3700	my $info = $faces->{$face};
2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3701	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3702
2894	cf::face::set_visibility $idx, $info->{visibility};	3703	cf::face::set_visibility $idx, $info->{visibility};
2895	cf::face::set_magicmap $idx, $info->{magicmap};	3704	cf::face::set_magicmap $idx, $info->{magicmap};
2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3705	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3706	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2898		3707	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2899	cf::cede_to_tick;	3708	$cf::face::HASH{$info->{hash64}} = $idx;
		3709	delete $cf::face::META[$idx];
2900	}	3710	}
2901		3711
2902	while (my ($face, $info) = each %$faces) {	3712	while (my ($face, $info) = each %$faces) {
2903	next unless $info->{smooth};	3713	next unless $info->{smooth};
		3714
2904	my $idx = cf::face::find $face	3715	my $idx = cf::face::find $face
2905	or next;	3716	or next;
		3717
2906	if (my $smooth = cf::face::find $info->{smooth}) {	3718	if (my $smooth = cf::face::find $info->{smooth}) {
2907	cf::face::set_smooth $idx, $smooth;	3719	cf::face::set_smooth $idx, $smooth;
2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3720	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2909	} else {	3721	} else {
2910	warn "smooth face '$info->{smooth}' not found for face '$face'";	3722	error "smooth face '$info->{smooth}' not found for face '$face'";
2911	}	3723	}
2912
2913	cf::cede_to_tick;
2914	}	3724	}
2915	}	3725	}
2916		3726
2917	{	3727	{
2918	my $anims = $facedata->{animinfo};	3728	my $anims = $facedata->{animinfo};
2919		3729
2920	while (my ($anim, $info) = each %$anims) {	3730	while (my ($anim, $info) = each %$anims) {
2921	cf::anim::set $anim, $info->{frames}, $info->{facings};	3731	cf::anim::set $anim, $info->{frames}, $info->{facings};
2922	cf::cede_to_tick;
2923	}	3732	}
2924		3733
2925	cf::anim::invalidate_all; # d'oh	3734	cf::anim::invalidate_all; # d'oh
2926	}	3735	}
2927		3736
2928	{	3737	{
2929	# TODO: for gcfclient pleasure, we should give resources
2930	# that gcfclient doesn't grok a >10000 face index.
2931	my $res = $facedata->{resource};	3738	my $res = $facedata->{resource};
2932		3739
2933	my $soundconf = delete $res->{"res/sound.conf"};
2934
2935	while (my ($name, $info) = each %$res) {	3740	while (my ($name, $info) = each %$res) {
		3741	if (defined (my $type = $info->{type})) {
		3742	# TODO: different hash - must free and use new index, or cache ixface data queue
2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3743	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2937	my $data;
2938		3744
2939	if ($info->{type} & 1) {	3745	cf::face::set_type $idx, $type;
2940	# prepend meta info	3746	cf::face::set_csum $idx, 0, $info->{hash};
2941		3747	$cf::face::SIZE[0][$idx] = $info->{size};
2942	my $meta = $enc->encode ({	3748	$cf::face::FOFS[0][$idx] = $info->{fofs};
2943	name => $name,	3749	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
2944	%{ $info->{meta} || {} },	3750	$cf::face::HASH{$info->{hash}} = $idx;
2945	});
2946
2947	$data = pack "(w/a*)*", $meta, $info->{data};
2948	} else {	3751	} else {
2949	$data = $info->{data};	3752	# $RESOURCE{$name} = $info; # unused
2950	}	3753	}
2951
2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2953	cf::face::set_type $idx, $info->{type};
2954
2955	cf::cede_to_tick;
2956	}
2957
2958	if ($soundconf) {
2959	$soundconf = $enc->decode (delete $soundconf->{data});
2960
2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2962	my $sound = $soundconf->{compat}[$_]
2963	or next;
2964
2965	my $face = cf::face::find "sound/$sound->[1]";
2966	cf::sound::set $sound->[0] => $face;
2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2968	}	3754	}
2969
2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
2971	my $face = cf::face::find "sound/$v";
2972	cf::sound::set $k => $face;
2973	}
2974	}
2975	}	3755	}
		3756
		3757	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3758
		3759	# HACK to clear player env face cache, we need some signal framework
		3760	# for this (global event?)
		3761	%ext::player_env::MUSIC_FACE_CACHE = ();
		3762
		3763	# END ATOMIC
		3764
		3765	cf::debug "facedata atomic update time ", EV::time - $t1;
		3766
		3767	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3768
		3769	aio_close $fh if $fh; # close old facedata
2976		3770
2977	1	3771	1
2978	}	3772	}
2979		3773
2980	register_exticmd fx_want => sub {	3774	register_exticmd fx_want => sub {
…		…
2982		3776
2983	while (my ($k, $v) = each %$want) {	3777	while (my ($k, $v) = each %$want) {
2984	$ns->fx_want ($k, $v);	3778	$ns->fx_want ($k, $v);
2985	}	3779	}
2986	};	3780	};
		3781
		3782	sub load_resource_file($) {
		3783	my $guard = lock_acquire "load_resource_file";
		3784
		3785	my $status = load_resource_file_ $_[0];
		3786	get_slot 0.1, 100;
		3787	cf::arch::commit_load;
		3788
		3789	$status
		3790	}
		3791
		3792	sub reload_exp_table {
		3793	_reload_exp_table;
		3794
		3795	cf::face::set
		3796	"res/exp_table" => FT_RSRC,
		3797	JSON::XS->new->utf8->canonical->encode (
		3798	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3799	);
		3800	}
		3801
		3802	sub reload_materials {
		3803	_reload_materials;
		3804	}
2987		3805
2988	sub reload_regions {	3806	sub reload_regions {
2989	# HACK to clear player env face cache, we need some signal framework	3807	# HACK to clear player env face cache, we need some signal framework
2990	# for this (global event?)	3808	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3809	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
2998	if exists $_->{match};	3816	if exists $_->{match};
2999	}	3817	}
3000	}	3818	}
3001		3819
3002	sub reload_facedata {	3820	sub reload_facedata {
3003	load_facedata "$DATADIR/facedata"	3821	load_facedata $DATADIR
3004	or die "unable to load facedata\n";	3822	or die "unable to load facedata\n";
3005	}	3823	}
3006		3824
3007	sub reload_archetypes {	3825	sub reload_archetypes {
3008	load_resource_file "$DATADIR/archetypes"	3826	load_resource_file "$DATADIR/archetypes"
3009	or die "unable to load archetypes\n";	3827	or die "unable to load archetypes\n";
3010	#d# NEED to laod twice to resolve forward references	3828
3011	# this really needs to be done in an extra post-pass	3829	cf::face::set
3012	# (which needs to be synchronous, so solve it differently)	3830	"res/skill_info" => FT_RSRC,
3013	load_resource_file "$DATADIR/archetypes"	3831	JSON::XS->new->utf8->canonical->encode (
3014	or die "unable to load archetypes\n";	3832	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3833	);
		3834
		3835	cf::face::set
		3836	"res/spell_paths" => FT_RSRC,
		3837	JSON::XS->new->utf8->canonical->encode (
		3838	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3839	);
		3840
		3841	# command completion
		3842	my @commands;
		3843
		3844	for (0..cf::arch::skillvec_size - 1) {
		3845	my $skill = cf::arch::skillvec $_;
		3846	my $name = $skill->name;
		3847	my $flags = cf::skill_flags $skill->subtype;
		3848
		3849	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3850	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3851	}
		3852
		3853	cf::client::set_command_face skill => \@commands;
3015	}	3854	}
3016		3855
3017	sub reload_treasures {	3856	sub reload_treasures {
3018	load_resource_file "$DATADIR/treasures"	3857	load_resource_file "$DATADIR/treasures"
3019	or die "unable to load treasurelists\n";	3858	or die "unable to load treasurelists\n";
3020	}	3859	}
3021		3860
		3861	sub reload_sound {
		3862	trace "loading sound config from $DATADIR/sound\n";
		3863
		3864	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3865
		3866	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3867	my $sound = $soundconf->{compat}[$_]
		3868	or next;
		3869
		3870	my $face = cf::face::find "sound/$sound->[1]";
		3871	cf::sound::set $sound->[0] => $face;
		3872	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3873	}
		3874
		3875	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3876	my $face = cf::face::find "sound/$v";
		3877	cf::sound::set $k => $face;
		3878	}
		3879	}
		3880
3022	sub reload_resources {	3881	sub reload_resources {
3023	warn "reloading resource files...\n";	3882	trace "reloading resource files...\n";
3024		3883
		3884	reload_materials;
		3885	reload_facedata;
		3886	reload_exp_table;
		3887	reload_sound;
		3888	reload_archetypes;
3025	reload_regions;	3889	reload_regions;
3026	reload_facedata;
3027	#reload_archetypes;#d#
3028	reload_archetypes;
3029	reload_treasures;	3890	reload_treasures;
3030		3891
3031	warn "finished reloading resource files\n";	3892	trace "finished reloading resource files\n";
3032	}
3033
3034	sub init {
3035	reload_resources;
3036	}	3893	}
3037		3894
3038	sub reload_config {	3895	sub reload_config {
3039	open my $fh, "<:utf8", "$CONFDIR/config"	3896	trace "reloading config file...\n";
3040	or return;
3041		3897
3042	local $/;	3898	my $config = load_file "$CONFDIR/config";
3043	*CFG = YAML::Syck::Load <$fh>;	3899	utf8::decode $config;
		3900	*CFG = decode_yaml $config;
3044		3901
3045	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3902	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3046		3903
3047	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3904	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3048	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3905	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3049		3906
3050	if (exists $CFG{mlockall}) {	3907	if (exists $CFG{mlockall}) {
…		…
3054	};	3911	};
3055	warn $@ if $@;	3912	warn $@ if $@;
3056	}	3913	}
3057	}	3914	}
3058		3915
		3916	sub pidfile() {
		3917	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3918	or die "$PIDFILE: $!";
		3919	flock $fh, &Fcntl::LOCK_EX
		3920	or die "$PIDFILE: flock: $!";
		3921	$fh
		3922	}
		3923
		3924	# make sure only one server instance is running at any one time
		3925	sub atomic {
		3926	my $fh = pidfile;
		3927
		3928	my $pid = <$fh>;
		3929	kill 9, $pid if $pid > 0;
		3930
		3931	seek $fh, 0, 0;
		3932	print $fh $$;
		3933	}
		3934
		3935	sub main_loop {
		3936	trace "EV::run starting\n";
		3937	if (1) {
		3938	EV::run;
		3939	}
		3940	trace "EV::run returned\n";
		3941	goto &main_loop unless $REALLY_UNLOOP;
		3942	}
		3943
3059	sub main {	3944	sub main {
		3945	cf::init_globals; # initialise logging
		3946
		3947	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3948	LOG llevInfo, "Copyright (C) 2017-2018 Marc Alexander Lehmann / the Deliantra team.";
		3949	LOG llevInfo, "Copyright (C) 2005-2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3950	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3951	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3952
		3953	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3954
3060	# we must not ever block the main coroutine	3955	# we must not ever block the main coroutine
3061	local $Coro::idle = sub {	3956	$Coro::idle = sub {
3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3957	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3063	(async {	3958	(async {
3064	Event::one_event;	3959	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3960	EV::run EV::RUN_ONCE;
3065	})->prio (Coro::PRIO_MAX);	3961	})->prio (Coro::PRIO_MAX);
3066	};	3962	};
3067		3963
		3964	evthread_start IO::AIO::poll_fileno;
		3965
		3966	cf::sync_job {
		3967	cf::incloader::init ();
		3968
		3969	db_init;
		3970
		3971	cf::init_anim;
		3972	cf::init_attackmess;
		3973	cf::init_dynamic;
		3974
		3975	cf::load_settings;
		3976
		3977	reload_resources;
3068	reload_config;	3978	reload_config;
3069	db_init;	3979
		3980	cf::init_uuid;
		3981	cf::init_signals;
		3982	cf::init_skills;
		3983
		3984	cf::init_beforeplay;
		3985
		3986	atomic;
		3987
3070	load_extensions;	3988	load_extensions;
3071		3989
3072	$TICK_WATCHER->start;	3990	utime time, time, $RUNTIMEFILE;
3073	Event::loop;	3991
		3992	# no (long-running) fork's whatsoever before this point(!)
		3993	use POSIX ();
		3994	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3995
		3996	cf::_post_init 0;
		3997	};
		3998
		3999	cf::object::thawer::errors_are_fatal 0;
		4000	info "parse errors in files are no longer fatal from this point on.\n";
		4001
		4002	AE::postpone {
		4003	undef &main; # free gobs of memory :)
		4004	};
		4005
		4006	goto &main_loop;
3074	}	4007	}
3075		4008
3076	#############################################################################	4009	#############################################################################
3077	# initialisation and cleanup	4010	# initialisation and cleanup
3078		4011
3079	# install some emergency cleanup handlers	4012	# install some emergency cleanup handlers
3080	BEGIN {	4013	BEGIN {
		4014	our %SIGWATCHER = ();
3081	for my $signal (qw(INT HUP TERM)) {	4015	for my $signal (qw(INT HUP TERM)) {
3082	Event->signal (	4016	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3083	reentrant => 0,
3084	data => WF_AUTOCANCEL,
3085	signal => $signal,
3086	prio => 0,
3087	cb => sub {
3088	cf::cleanup "SIG$signal";	4017	cf::cleanup "SIG$signal";
3089	},
3090	);	4018	};
3091	}	4019	}
3092	}	4020	}
3093		4021
3094	sub write_runtime {	4022	sub write_runtime_sync {
3095	my $runtime = "$LOCALDIR/runtime";	4023	my $t0 = AE::time;
3096		4024
3097	# first touch the runtime file to show we are still running:	4025	# first touch the runtime file to show we are still running:
3098	# the fsync below can take a very very long time.	4026	# the fsync below can take a very very long time.
3099		4027
3100	IO::AIO::aio_utime $runtime, undef, undef;	4028	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3101		4029
3102	my $guard = cf::lock_acquire "write_runtime";	4030	my $guard = cf::lock_acquire "write_runtime";
3103		4031
3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4032	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3105	or return;	4033	or return;
3106		4034
3107	my $value = $cf::RUNTIME + 90 + 10;	4035	my $value = $cf::RUNTIME + 90 + 10;
3108	# 10 is the runtime save interval, for a monotonic clock	4036	# 10 is the runtime save interval, for a monotonic clock
3109	# 60 allows for the watchdog to kill the server.	4037	# 60 allows for the watchdog to kill the server.
…		…
3119	aio_utime $fh, undef, undef;	4047	aio_utime $fh, undef, undef;
3120		4048
3121	close $fh	4049	close $fh
3122	or return;	4050	or return;
3123		4051
3124	aio_rename "$runtime~", $runtime	4052	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3125	and return;	4053	and return;
3126		4054
3127	warn "runtime file written.\n";	4055	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3128		4056
3129	1	4057	1
		4058	}
		4059
		4060	our $uuid_lock;
		4061	our $uuid_skip;
		4062
		4063	sub write_uuid_sync($) {
		4064	$uuid_skip ||= $_[0];
		4065
		4066	return if $uuid_lock;
		4067	local $uuid_lock = 1;
		4068
		4069	my $uuid = "$LOCALDIR/uuid";
		4070
		4071	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4072	or return;
		4073
		4074	my $value = uuid_seq uuid_cur;
		4075
		4076	unless ($value) {
		4077	info "cowardly refusing to write zero uuid value!\n";
		4078	return;
		4079	}
		4080
		4081	my $value = uuid_str $value + $uuid_skip;
		4082	$uuid_skip = 0;
		4083
		4084	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4085	and return;
		4086
		4087	# always fsync - this file is important
		4088	aio_fsync $fh
		4089	and return;
		4090
		4091	close $fh
		4092	or return;
		4093
		4094	aio_rename "$uuid~", $uuid
		4095	and return;
		4096
		4097	trace "uuid file written ($value).\n";
		4098
		4099	1
		4100
		4101	}
		4102
		4103	sub write_uuid($$) {
		4104	my ($skip, $sync) = @_;
		4105
		4106	$sync ? write_uuid_sync $skip
		4107	: async { write_uuid_sync $skip };
3130	}	4108	}
3131		4109
3132	sub emergency_save() {	4110	sub emergency_save() {
3133	my $freeze_guard = cf::freeze_mainloop;	4111	my $freeze_guard = cf::freeze_mainloop;
3134		4112
3135	warn "enter emergency perl save\n";	4113	info "emergency_perl_save: enter\n";
		4114
		4115	# this is a trade-off: we want to be very quick here, so
		4116	# save all maps without fsync, and later call a global sync
		4117	# (which in turn might be very very slow)
		4118	local $USE_FSYNC = 0;
3136		4119
3137	cf::sync_job {	4120	cf::sync_job {
		4121	cf::write_runtime_sync; # external watchdog should not bark
		4122
3138	# use a peculiar iteration method to avoid tripping on perl	4123	# use a peculiar iteration method to avoid tripping on perl
3139	# refcount bugs in for. also avoids problems with players	4124	# refcount bugs in for. also avoids problems with players
3140	# and maps saved/destroyed asynchronously.	4125	# and maps saved/destroyed asynchronously.
3141	warn "begin emergency player save\n";	4126	info "emergency_perl_save: begin player save\n";
3142	for my $login (keys %cf::PLAYER) {	4127	for my $login (keys %cf::PLAYER) {
3143	my $pl = $cf::PLAYER{$login} or next;	4128	my $pl = $cf::PLAYER{$login} or next;
3144	$pl->valid or next;	4129	$pl->valid or next;
		4130	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3145	$pl->save;	4131	$pl->save;
3146	}	4132	}
3147	warn "end emergency player save\n";	4133	info "emergency_perl_save: end player save\n";
3148		4134
3149	warn "begin emergency map save\n";	4135	cf::write_runtime_sync; # external watchdog should not bark
		4136
		4137	info "emergency_perl_save: begin map save\n";
3150	for my $path (keys %cf::MAP) {	4138	for my $path (keys %cf::MAP) {
3151	my $map = $cf::MAP{$path} or next;	4139	my $map = $cf::MAP{$path} or next;
3152	$map->valid or next;	4140	$map->valid or next;
3153	$map->save;	4141	$map->save;
3154	}	4142	}
3155	warn "end emergency map save\n";	4143	info "emergency_perl_save: end map save\n";
3156		4144
3157	warn "begin emergency database checkpoint\n";	4145	cf::write_runtime_sync; # external watchdog should not bark
		4146
		4147	info "emergency_perl_save: begin database checkpoint\n";
3158	BDB::db_env_txn_checkpoint $DB_ENV;	4148	BDB::db_env_txn_checkpoint $DB_ENV;
3159	warn "end emergency database checkpoint\n";	4149	info "emergency_perl_save: end database checkpoint\n";
		4150
		4151	info "emergency_perl_save: begin write uuid\n";
		4152	write_uuid_sync 1;
		4153	info "emergency_perl_save: end write uuid\n";
		4154
		4155	cf::write_runtime_sync; # external watchdog should not bark
		4156
		4157	trace "emergency_perl_save: syncing database to disk";
		4158	BDB::db_env_txn_checkpoint $DB_ENV;
		4159
		4160	info "emergency_perl_save: starting sync\n";
		4161	IO::AIO::aio_sync sub {
		4162	info "emergency_perl_save: finished sync\n";
		4163	};
		4164
		4165	cf::write_runtime_sync; # external watchdog should not bark
		4166
		4167	trace "emergency_perl_save: flushing outstanding aio requests";
		4168	while (IO::AIO::nreqs || BDB::nreqs) {
		4169	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4170	}
		4171
		4172	cf::write_runtime_sync; # external watchdog should not bark
3160	};	4173	};
3161		4174
3162	warn "leave emergency perl save\n";	4175	info "emergency_perl_save: leave\n";
3163	}	4176	}
3164		4177
3165	sub post_cleanup {	4178	sub post_cleanup {
3166	my ($make_core) = @_;	4179	my ($make_core) = @_;
3167		4180
		4181	IO::AIO::flush;
		4182
3168	warn Carp::longmess "post_cleanup backtrace"	4183	error Carp::longmess "post_cleanup backtrace"
3169	if $make_core;	4184	if $make_core;
		4185
		4186	my $fh = pidfile;
		4187	unlink $PIDFILE if <$fh> == $$;
		4188	}
		4189
		4190	# a safer delete_package, copied from Symbol
		4191	sub clear_package($) {
		4192	my $pkg = shift;
		4193
		4194	# expand to full symbol table name if needed
		4195	unless ($pkg =~ /^main::.*::$/) {
		4196	$pkg = "main$pkg" if $pkg =~ /^::/;
		4197	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4198	$pkg .= '::' unless $pkg =~ /::$/;
		4199	}
		4200
		4201	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4202	my $stem_symtab = *{$stem}{HASH};
		4203
		4204	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4205	or return;
		4206
		4207	# clear all symbols
		4208	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4209	for my $name (keys %$leaf_symtab) {
		4210	_gv_clear *{"$pkg$name"};
		4211	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4212	}
3170	}	4213	}
3171		4214
3172	sub do_reload_perl() {	4215	sub do_reload_perl() {
3173	# can/must only be called in main	4216	# can/must only be called in main
3174	if ($Coro::current != $Coro::main) {	4217	unless (in_main) {
3175	warn "can only reload from main coroutine";	4218	error "can only reload from main coroutine";
3176	return;	4219	return;
3177	}	4220	}
3178		4221
3179	warn "reloading...";	4222	return if $RELOAD++;
3180		4223
3181	warn "entering sync_job";	4224	my $t1 = AE::time;
3182		4225
		4226	while ($RELOAD) {
		4227	cf::get_slot 0.1, -1, "reload_perl";
		4228	info "perl_reload: reloading...";
		4229
		4230	trace "perl_reload: entering sync_job";
		4231
3183	cf::sync_job {	4232	cf::sync_job {
3184	cf::write_runtime; # external watchdog should not bark
3185	cf::emergency_save;	4233	#cf::emergency_save;
3186	cf::write_runtime; # external watchdog should not bark
3187		4234
3188	warn "syncing database to disk";
3189	BDB::db_env_txn_checkpoint $DB_ENV;
3190
3191	# if anything goes wrong in here, we should simply crash as we already saved
3192
3193	warn "cancelling all WF_AUTOCANCEL watchers";
3194	for (Event::all_watchers) {
3195	$_->cancel if $_->data & WF_AUTOCANCEL;
3196	}
3197
3198	warn "flushing outstanding aio requests";
3199	for (;;) {
3200	BDB::flush;
3201	IO::AIO::flush;
3202	Coro::cede;
3203	last unless IO::AIO::nreqs || BDB::nreqs;
3204	warn "iterate...";
3205	}
3206
3207	++$RELOAD;
3208
3209	warn "cancelling all extension coros";	4235	trace "perl_reload: cancelling all extension coros";
3210	$_->cancel for values %EXT_CORO;	4236	$_->cancel for values %EXT_CORO;
3211	%EXT_CORO = ();	4237	%EXT_CORO = ();
3212		4238
3213	warn "removing commands";	4239	trace "perl_reload: removing commands";
3214	%COMMAND = ();	4240	%COMMAND = ();
3215		4241
3216	warn "removing ext/exti commands";	4242	trace "perl_reload: removing ext/exti commands";
3217	%EXTCMD = ();	4243	%EXTCMD = ();
3218	%EXTICMD = ();	4244	%EXTICMD = ();
3219		4245
3220	warn "unloading/nuking all extensions";	4246	trace "perl_reload: unloading/nuking all extensions";
3221	for my $pkg (@EXTS) {	4247	for my $pkg (@EXTS) {
3222	warn "... unloading $pkg";	4248	trace "... unloading $pkg";
3223		4249
3224	if (my $cb = $pkg->can ("unload")) {	4250	if (my $cb = $pkg->can ("unload")) {
3225	eval {	4251	eval {
3226	$cb->($pkg);	4252	$cb->($pkg);
3227	1	4253	1
3228	} or warn "$pkg unloaded, but with errors: $@";	4254	} or error "$pkg unloaded, but with errors: $@";
		4255	}
		4256
		4257	trace "... clearing $pkg";
		4258	clear_package $pkg;
3229	}	4259	}
3230		4260
3231	warn "... nuking $pkg";
3232	Symbol::delete_package $pkg;
3233	}
3234
3235	warn "unloading all perl modules loaded from $LIBDIR";	4261	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3236	while (my ($k, $v) = each %INC) {	4262	while (my ($k, $v) = each %INC) {
3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4263	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3238		4264
3239	warn "... unloading $k";	4265	trace "... unloading $k";
3240	delete $INC{$k};	4266	delete $INC{$k};
3241		4267
3242	$k =~ s/\.pm$//;	4268	$k =~ s/\.pm$//;
3243	$k =~ s/\//::/g;	4269	$k =~ s/\//::/g;
3244		4270
3245	if (my $cb = $k->can ("unload_module")) {	4271	if (my $cb = $k->can ("unload_module")) {
3246	$cb->();	4272	$cb->();
		4273	}
		4274
		4275	clear_package $k;
3247	}	4276	}
3248		4277
3249	Symbol::delete_package $k;
3250	}
3251
3252	warn "getting rid of safe::, as good as possible";	4278	trace "perl_reload: getting rid of safe::, as good as possible";
3253	Symbol::delete_package "safe::$_"	4279	clear_package "safe::$_"
3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4280	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3255		4281
3256	warn "unloading cf.pm \"a bit\"";	4282	trace "perl_reload: unloading cf.pm \"a bit\"";
3257	delete $INC{"cf.pm"};	4283	delete $INC{"cf.pm"};
3258	delete $INC{"cf/pod.pm"};	4284	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3259		4285
3260	# don't, removes xs symbols, too,	4286	# don't, removes xs symbols, too,
3261	# and global variables created in xs	4287	# and global variables created in xs
3262	#Symbol::delete_package __PACKAGE__;	4288	#clear_package __PACKAGE__;
3263		4289
3264	warn "unload completed, starting to reload now";	4290	info "perl_reload: unload completed, starting to reload now";
3265		4291
3266	warn "reloading cf.pm";	4292	trace "perl_reload: reloading cf.pm";
3267	require cf;	4293	require cf;
3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4294	cf::_connect_to_perl_1;
3269		4295
3270	warn "loading config and database again";	4296	trace "perl_reload: loading config and database again";
3271	cf::reload_config;	4297	cf::reload_config;
3272		4298
3273	warn "loading extensions";	4299	trace "perl_reload: loading extensions";
3274	cf::load_extensions;	4300	cf::load_extensions;
3275		4301
		4302	if ($REATTACH_ON_RELOAD) {
3276	warn "reattaching attachments to objects/players";	4303	trace "perl_reload: reattaching attachments to objects/players";
3277	_global_reattach; # objects, sockets	4304	_global_reattach; # objects, sockets
3278	warn "reattaching attachments to maps";	4305	trace "perl_reload: reattaching attachments to maps";
3279	reattach $_ for values %MAP;	4306	reattach $_ for values %MAP;
3280	warn "reattaching attachments to players";	4307	trace "perl_reload: reattaching attachments to players";
3281	reattach $_ for values %PLAYER;	4308	reattach $_ for values %PLAYER;
		4309	}
3282		4310
3283	warn "leaving sync_job";	4311	cf::_post_init 1;
3284		4312
		4313	trace "perl_reload: leaving sync_job";
		4314
3285	1	4315	1
3286	} or do {	4316	} or do {
3287	warn $@;	4317	error $@;
3288	warn "error while reloading, exiting.";	4318	cf::cleanup "perl_reload: error, exiting.";
3289	exit 1;	4319	};
		4320
		4321	--$RELOAD;
3290	};	4322	}
3291		4323
3292	warn "reloaded";	4324	$t1 = AE::time - $t1;
		4325	info "perl_reload: completed in ${t1}s\n";
3293	};	4326	};
3294		4327
3295	our $RELOAD_WATCHER; # used only during reload	4328	our $RELOAD_WATCHER; # used only during reload
3296		4329
3297	sub reload_perl() {	4330	sub reload_perl() {
3298	# doing reload synchronously and two reloads happen back-to-back,	4331	# doing reload synchronously and two reloads happen back-to-back,
3299	# coro crashes during coro_state_free->destroy here.	4332	# coro crashes during coro_state_free->destroy here.
3300		4333
3301	$RELOAD_WATCHER ||= Event->timer (	4334	$RELOAD_WATCHER ||= cf::async {
3302	reentrant => 0,	4335	Coro::AIO::aio_wait cache_extensions;
3303	after => 0,	4336
3304	data => WF_AUTOCANCEL,	4337	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3305	cb => sub {
3306	do_reload_perl;	4338	do_reload_perl;
3307	undef $RELOAD_WATCHER;	4339	undef $RELOAD_WATCHER;
3308	},	4340	};
3309	);	4341	};
3310	}	4342	}
3311		4343
3312	register_command "reload" => sub {	4344	register_command "reload" => sub {
3313	my ($who, $arg) = @_;	4345	my ($who, $arg) = @_;
3314		4346
3315	if ($who->flag (FLAG_WIZ)) {	4347	if ($who->flag (FLAG_WIZ)) {
3316	$who->message ("reloading server.");	4348	$who->message ("reloading server.");
		4349	async {
		4350	$Coro::current->{desc} = "perl_reload";
3317	async { reload_perl };	4351	reload_perl;
		4352	};
3318	}	4353	}
3319	};	4354	};
3320		4355
3321	unshift @INC, $LIBDIR;	4356	#############################################################################
3322		4357
3323	my $bug_warning = 0;	4358	my $bug_warning = 0;
3324		4359
3325	our @WAIT_FOR_TICK;
3326	our @WAIT_FOR_TICK_BEGIN;
3327
3328	sub wait_for_tick {	4360	sub wait_for_tick() {
3329	return unless $TICK_WATCHER->is_active;	4361	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3330	return if $Coro::current == $Coro::main;
3331		4362
3332	my $signal = new Coro::Signal;	4363	$WAIT_FOR_TICK->wait;
3333	push @WAIT_FOR_TICK, $signal;
3334	$signal->wait;
3335	}	4364	}
3336		4365
3337	sub wait_for_tick_begin {	4366	sub wait_for_tick_begin() {
3338	return unless $TICK_WATCHER->is_active;	4367	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3339	return if $Coro::current == $Coro::main;
3340		4368
3341	my $signal = new Coro::Signal;	4369	my $signal = new Coro::Signal;
3342	push @WAIT_FOR_TICK_BEGIN, $signal;	4370	push @WAIT_FOR_TICK_BEGIN, $signal;
3343	$signal->wait;	4371	$signal->wait;
3344	}	4372	}
3345		4373
3346	my $min = 1e6;#d#	4374	sub tick {
3347	my $avg = 10;
3348	$TICK_WATCHER = Event->timer (
3349	reentrant => 0,
3350	parked => 1,
3351	prio => 0,
3352	at => $NEXT_TICK || $TICK,
3353	data => WF_AUTOCANCEL,
3354	cb => sub {
3355	if ($Coro::current != $Coro::main) {	4375	if ($Coro::current != $Coro::main) {
3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4376	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3357	unless ++$bug_warning > 10;	4377	unless ++$bug_warning > 10;
3358	return;	4378	return;
3359	}	4379	}
3360		4380
3361	$NOW = $tick_start = Event::time;	4381	cf::one_tick; # one server iteration
3362		4382
3363	cf::server_tick; # one server iteration	4383	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3364		4384
3365	0 && sync_job {#d#	4385	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3366	for(1..10) {	4386	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3367	my $t = Event::time;	4387	Coro::async_pool {
3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4388	$Coro::current->{desc} = "runtime saver";
3369	or die;	4389	write_runtime_sync
3370		4390	or error "ERROR: unable to write runtime file: $!";
3371	$map->width (50);
3372	$map->height (50);
3373	$map->alloc;
3374	$map->_load_objects ("/tmp/x.map", 1);
3375	my $t = Event::time - $t;
3376
3377	#next unless $t < 0.0013;#d#
3378	if ($t < $min) {
3379	$min = $t;
3380	}
3381	$avg = $avg * 0.99 + $t * 0.01;
3382	}
3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3384	exit 0;
3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3386	};	4391	};
		4392	}
3387		4393
3388	$RUNTIME += $TICK;
3389	$NEXT_TICK += $TICK;
3390
3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
3393	Coro::async_pool {
3394	write_runtime
3395	or warn "ERROR: unable to write runtime file: $!";
3396	};
3397	}
3398
3399	# my $AFTER = Event::time;
3400	# warn $AFTER - $NOW;#d#
3401
3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3403	$sig->send;	4395	$sig->send;
3404	}	4396	}
3405	while (my $sig = shift @WAIT_FOR_TICK) {	4397	$WAIT_FOR_TICK->broadcast;
3406	$sig->send;
3407	}
3408		4398
3409	$NOW = Event::time;	4399	$LOAD = ($NOW - $TICK_START) / $TICK;
3410
3411	# if we are delayed by four ticks or more, skip them all
3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3413
3414	$TICK_WATCHER->at ($NEXT_TICK);
3415	$TICK_WATCHER->start;
3416
3417	$LOAD = ($NOW - $tick_start) / $TICK;
3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4400	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3419		4401
3420	_post_tick;	4402	if (0) {
3421		4403	if ($NEXT_TICK) {
3422		4404	my $jitter = $TICK_START - $NEXT_TICK;
		4405	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4406	debug "jitter $JITTER\n";#d#
		4407	}
3423	},	4408	}
3424	);	4409	}
3425		4410
3426	{	4411	{
3427	BDB::max_poll_time $TICK * 0.1;	4412	# configure BDB
3428	$BDB_POLL_WATCHER = Event->io (	4413	info "initialising database";
3429	reentrant => 0,	4414
3430	fd => BDB::poll_fileno,
3431	poll => 'r',
3432	prio => 0,
3433	data => WF_AUTOCANCEL,
3434	cb => \&BDB::poll_cb,
3435	);
3436	BDB::min_parallel 8;	4415	BDB::min_parallel 16;
3437		4416	BDB::max_poll_reqs $TICK * 0.1;
3438	BDB::set_sync_prepare {	4417	#$AnyEvent::BDB::WATCHER->priority (1);
3439	my $status;
3440	my $current = $Coro::current;
3441	(
3442	sub {
3443	$status = $!;
3444	$current->ready; undef $current;
3445	},
3446	sub {
3447	Coro::schedule while defined $current;
3448	$! = $status;
3449	},
3450	)
3451	};
3452		4418
3453	unless ($DB_ENV) {	4419	unless ($DB_ENV) {
3454	$DB_ENV = BDB::db_env_create;	4420	$DB_ENV = BDB::db_env_create;
		4421	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4422	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4423	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4424	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4425	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3455		4426
3456	cf::sync_job {	4427	cf::sync_job {
3457	eval {	4428	eval {
3458	BDB::db_env_open	4429	BDB::db_env_open
3459	$DB_ENV,	4430	$DB_ENV,
…		…
3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4432	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4433	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3463	0666;	4434	0666;
3464		4435
3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4436	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3466
3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3468	$DB_ENV->set_lk_detect;
3469	};	4437	};
3470		4438
3471	cf::cleanup "db_env_open(db): $@" if $@;	4439	cf::cleanup "db_env_open(db): $@" if $@;
3472	};	4440	};
3473	}	4441	}
		4442
		4443	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4444	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4445	};
		4446	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4447	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4448	};
		4449	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4450	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4451	};
		4452
		4453	info "database initialised";
3474	}	4454	}
3475		4455
3476	{	4456	{
		4457	# configure IO::AIO
		4458
		4459	info "initialising aio";
3477	IO::AIO::min_parallel 8;	4460	IO::AIO::min_parallel 8;
3478
3479	undef $Coro::AIO::WATCHER;
3480	IO::AIO::max_poll_time $TICK * 0.1;	4461	IO::AIO::max_poll_time $TICK * 0.1;
3481	$AIO_POLL_WATCHER = Event->io (	4462	undef $AnyEvent::AIO::WATCHER;
3482	reentrant => 0,	4463	info "aio initialised";
3483	data => WF_AUTOCANCEL,
3484	fd => IO::AIO::poll_fileno,
3485	poll => 'r',
3486	prio => 6,
3487	cb => \&IO::AIO::poll_cb,
3488	);
3489	}	4464	}
3490		4465
3491	my $_log_backtrace;	4466	our $_log_backtrace;
		4467	our $_log_backtrace_last;
3492		4468
3493	sub _log_backtrace {	4469	sub _log_backtrace {
3494	my ($msg, @addr) = @_;	4470	my ($msg, @addr) = @_;
3495		4471
3496	$msg =~ s/\n//;	4472	$msg =~ s/\n$//;
3497		4473
		4474	if ($_log_backtrace_last eq $msg) {
		4475	LOG llevInfo, "[ABT] $msg\n";
		4476	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3498	# limit the # of concurrent backtraces	4477	# limit the # of concurrent backtraces
3499	if ($_log_backtrace < 2) {	4478	} elsif ($_log_backtrace < 2) {
		4479	$_log_backtrace_last = $msg;
3500	++$_log_backtrace;	4480	++$_log_backtrace;
		4481	my $perl_bt = Carp::longmess $msg;
3501	async {	4482	async {
		4483	$Coro::current->{desc} = "abt $msg";
		4484
3502	my @bt = fork_call {	4485	my @bt = fork_call {
3503	@addr = map { sprintf "%x", $_ } @addr;	4486	@addr = map { sprintf "%x", $_ } @addr;
3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4487	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4488	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3506	or die "addr2line: $!";	4489	or die "addr2line: $!";
…		…
3514	}	4497	}
3515		4498
3516	@funcs	4499	@funcs
3517	};	4500	};
3518		4501
3519	LOG llevInfo, "[ABT] $msg\n";	4502	LOG llevInfo, "[ABT] $perl_bt\n";
		4503	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3520	LOG llevInfo, "[ABT] $_\n" for @bt;	4504	LOG llevInfo, "[ABT] $_\n" for @bt;
3521	--$_log_backtrace;	4505	--$_log_backtrace;
3522	};	4506	};
3523	} else {	4507	} else {
3524	LOG llevInfo, "[ABT] $msg\n";	4508	LOG llevInfo, "[ABT] $msg\n";
3525	LOG llevInfo, "[ABT] [suppressed]\n";	4509	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3526	}	4510	}
3527	}	4511	}
3528		4512
3529	# load additional modules	4513	# load additional modules
3530	use cf::pod;	4514	require "cf/$_.pm" for @EXTRA_MODULES;
		4515	cf::_connect_to_perl_2;
3531		4516
3532	END { cf::emergency_save }	4517	END { cf::emergency_save }
3533		4518
3534	1	4519	1
3535		4520

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