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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.121 by root, Tue Jan 2 11:11:52 2007 UTC vs.
Revision 1.487 by root, Fri Oct 16 01:56:41 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
12		37
		38	use Guard ();
13	use Coro 3.3;	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
		55	use BDB ();
		56	use Data::Dumper;
20	use Digest::MD5;	57	use Digest::MD5;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %MAP; # all maps	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		162
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		177
79	#############################################################################	178	#############################################################################
80		179
81	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
82		181
…		…
89	=item $cf::RUNTIME	188	=item $cf::RUNTIME
90		189
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	191	every server tick.
93		192
94	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		196
96	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
98		201
99	=item $cf::NOW	202	=item $cf::NOW
100		203
101	The time of the last (current) server tick.	204	The time of the last (current) server tick.
102		205
103	=item $cf::TICK	206	=item $cf::TICK
104		207
105	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
106		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
107	=item %cf::CFG	220	=item %cf::CFG
108		221
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	223	from wherever your confdir points to.
111		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
112	=back	243	=back
113		244
114	=cut	245	=cut
115		246
116	BEGIN {	247	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	248	my $msg = join "", @_;
119	utf8::encode $msg;
120		249
121	$msg .= "\n"	250	$msg .= "\n"
122	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
123		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
124	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
125	};	256	};
126	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
127		271
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		279
135	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	281	# within the Safe compartment.
137	for my $pkg (qw(	282	for my $pkg (qw(
138	cf::global cf::attachable	283	cf::global cf::attachable
139	cf::object cf::object::player	284	cf::object cf::object::player
140	cf::client cf::player	285	cf::client cf::player
141	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
142	cf::map cf::party cf::region	288	cf::party cf::region
143	)) {	289	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	291	}
147		292
148	$Event::DIED = sub {	293	$EV::DIED = sub {
149	warn "error in event callback: @_";	294	warn "error in event callback: @_";
150	};	295	};
151		296
152	my %ext_pkg;	297	#############################################################################
153	my @exts;
154	my @hook;
155		298
156	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
157		300
158	=over 4	301	=over 4
159		302
160	=cut	303	=item dumpval $ref
161		304
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
163		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
164	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
165		327
166	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
167		329
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
176		331
177	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
178		333
179	=cut	334	=cut
180		335
181	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		337
186	=item my $guard = cf::guard { BLOCK }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
187		340
188	Run the given callback when the guard object gets destroyed (useful for	341	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		342
191	You can call C<< ->cancel >> on the guard object to stop the block from	343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	344	but I<before> the server starts ticking again.
193		345
194	=cut	346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
195		348
196	sub guard(&) {	349	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		350
200	sub cf::guard::cancel {	351	sub post_init(&) {
201	${$_[0]} = sub { };	352	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	353	}
207		354
208	=item cf::lock_wait $string	355	=item cf::lock_wait $string
209		356
210	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
211		358
212	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
213		360
214	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
217	returned.	364	returned.
218		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
219	Lock names should begin with a unique identifier (for example, find_map	369	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	370	uses map_find and cf::map::load uses map_load).
221		371
222	=cut	372	=item $locked = cf::lock_active $string
223		373
224	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
225		379
226	sub lock_wait($) {	380	sub lock_wait($) {
227	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	382	}
235		383
236	sub lock_acquire($) {	384	sub lock_acquire($) {
237	my ($key) = @_;	385	$LOCKS->guard ($_[0])
238
239	# wait, to be sure we are not locked
240	lock_wait $key;
241
242	$LOCK{$key} = [];
243
244	cf::guard {
245	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };
247	}
248	}	386	}
		387
		388	sub lock_active($) {
		389	$LOCKS->count ($_[0]) < 1
		390	}
		391
		392	sub freeze_mainloop {
		393	tick_inhibit_inc;
		394
		395	&Guard::guard (\&tick_inhibit_dec);
		396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
		471	}
		472
		473	=item cf::async { BLOCK }
		474
		475	Currently the same as Coro::async_pool, meaning you cannot use
		476	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		477	thing you are allowed to do is call C<prio> on it.
		478
		479	=cut
		480
		481	BEGIN { *async = \&Coro::async_pool }
249		482
250	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
251		484
252	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
255		489
256	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
259	fast or be very important.	493	fast or be very important.
…		…
262		496
263	sub sync_job(&) {	497	sub sync_job(&) {
264	my ($job) = @_;	498	my ($job) = @_;
265		499
266	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
267	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
269		505
270	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	507
272	local $FREEZE = 1;	508	my $freeze_guard = freeze_mainloop;
273		509
274	my $busy = 1;	510	my $busy = 1;
275	my @res;	511	my @res;
276		512
277	(Coro::async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	515	@res = eval { $job->() };
279	warn $@ if $@;	516	warn $@ if $@;
280	undef $busy;	517	undef $busy;
281	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
282		519
283	while ($busy) {	520	while ($busy) {
		521	if (Coro::nready) {
284	Coro::cede_notself;	522	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
286	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
287		531
288	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
289	} else {	533	} else {
290	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
291		535
292	$job->()	536	$job->()
293	}	537	}
294	}	538	}
295		539
296	=item $coro = cf::coro { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
297		541
298	Creates and returns a new coro. This coro is automcatially being canceled	542	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	543	extension calling this is being unloaded.
300		544
301	=cut	545	=cut
302		546
303	sub coro(&) {	547	sub async_ext(&) {
304	my $cb = shift;	548	my $cb = shift;
305		549
306	my $coro; $coro = async {	550	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		551
313	$coro->on_destroy (sub {	552	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	553	delete $EXT_CORO{$coro+0};
315	});	554	});
316	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
317		556
318	$coro	557	$coro
319	}	558	}
320		559
321	sub write_runtime {	560	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		561
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
325	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
326		566
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		568
331	aio_fsync $fh	569	sub fork_call(&@) {
332	and return;	570	my ($cb, @args) = @_;
333		571
334	close $fh	572	# we seemingly have to make a local copy of the whole thing,
335	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
336		575
337	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
338	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
339		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
340	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
341	}	747	}
342		748
343	=back	749	=back
344		750
345	=cut	751	=cut
346		752
347	#############################################################################	753	#############################################################################
348		754
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466
467	#############################################################################
468
469	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
470		756
471	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
472	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
473	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
474		760
475	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
476	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
477	crossfire+).	763	Deliantra).
478		764
479	=over 4	765	=over 4
480		766
481	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
482		768
…		…
526	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
527		813
528	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
529	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
530		816
531	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
532	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
533		819
534	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
535		821
536	=over 4	822	=over 4
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	883	our @CB_MAP = ();
598		884
599	my %attachment;	885	my %attachment;
600		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
601	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
603		895
604	use sort 'stable';	896	use sort 'stable';
605		897
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
640		932
641	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		937
646	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	939	my $pkg = shift @arg;
648		940
649	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
679	}	971	}
680		972
681	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
682	} else {	974	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	976	}
685		977
686	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
687	}	979	}
688		980
…		…
690	if (ref $_[0]) {	982	if (ref $_[0]) {
691	_object_attach @_;	983	_object_attach @_;
692	} else {	984	} else {
693	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
694	}	986	}
		987	_recalc_want;
695	};	988	};
696		989
697	# all those should be optimised	990	# all those should be optimised
698	sub cf::attachable::detach {	991	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
703	reattach ($obj);	996	reattach ($obj);
704	} else {	997	} else {
705	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
706	}	999	}
		1000	_recalc_want;
707	};	1001	};
708		1002
709	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
711		1005
…		…
726	";	1020	";
727	die if $@;	1021	die if $@;
728	}	1022	}
729		1023
730	our $override;	1024	our $override;
731	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
732		1026
733	sub override {	1027	sub override {
734	$override = 1;	1028	$override = 1;
735	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
736	}	1030	}
737		1031
738	sub do_invoke {	1032	sub do_invoke {
739	my $event = shift;	1033	my $event = shift;
740	my $callbacks = shift;	1034	my $callbacks = shift;
741		1035
742	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
743		1037
744	local $override;	1038	local $override;
745		1039
746	for (@$callbacks) {	1040	for (@$callbacks) {
747	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
756	}	1050	}
757		1051
758	0	1052	0
759	}	1053	}
760		1054
761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
762		1056
763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
764		1058
765	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
766		1060
767	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
768	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
769	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		1064
771	=back	1065	=back
772		1066
773	=cut	1067	=cut
774		1068
775	#############################################################################	1069	#############################################################################
776	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
777		1113
778	sub reattach {	1114	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
780	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
781		1120
782	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
783		1122
784	@$registry = ();	1123	@$registry = ();
785		1124
…		…
800	cf::attachable->attach (	1139	cf::attachable->attach (
801	prio => -1000000,	1140	prio => -1000000,
802	on_instantiate => sub {	1141	on_instantiate => sub {
803	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
804		1143
805	$data = from_json $data;	1144	$data = decode_json $data;
806		1145
807	for (@$data) {	1146	for (@$data) {
808	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
809		1148
810	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
826	sub object_freezer_save {	1165	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
828		1167
829	sync_job {	1168	sync_job {
830	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
833		1173
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
836	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1177	if ($cf::USE_FSYNC) {
		1178	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;
837	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
838	close $fh;	1181	aio_close $fh;
839		1182
840	if (@$objs) {	1183	if (@$objs) {
841	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
842	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
844	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		1188	if ($cf::USE_FSYNC) {
		1189	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;
845	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
846	close $fh;	1192	aio_close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
848	}	1194	}
849	} else {	1195	} else {
850	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
851	}	1197	}
852		1198
853	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
854	} else {	1203	} else {
855	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
856	}	1205	}
857	} else {	1206	} else {
858	aio_unlink $filename;	1207	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
860	}	1209	}
861	}	1210	};
862	}	1211	}
863		1212
864	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
866		1215
…		…
878	or return;	1227	or return;
879		1228
880	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
882	or return;	1231	or return;
		1232
883	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
884	}	1235	}
885		1236
		1237	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
888	return ($data, $av);	1241	($data, $av)
889	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
890		1249
891	#############################################################################	1250	#############################################################################
892	# command handling &c	1251	# command handling &c
893		1252
894	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1267	}
909		1268
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1270
912	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
913		1276
914	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
915	called.	1278	called.
916		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
917	=cut	1291	=cut
918		1292
919	sub register_extcmd {	1293	sub register_extcmd {
920	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
921		1295
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
926	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
927		1306
928	cf::player->attach (	1307	cf::player->attach (
929	on_command => sub {	1308	on_command => sub {
930	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
931		1310
…		…
939	cf::override;	1318	cf::override;
940	},	1319	},
941	on_extcmd => sub {	1320	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
943		1322
944	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1324
946	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
952	} else {	1340	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1342	}
955		1343
956	cf::override;	1344	cf::override;
957	},	1345	},
958	);	1346	);
959		1347
960	sub register {	1348	# "readahead" all extensions
961	my ($base, $pkg) = @_;	1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
962		1351
963	#TODO	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
964	}	1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
965		1357
		1358	$grp
		1359	}
		1360
966	sub load_extension {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
		1365	for my $path (<$LIBDIR/*.ext>) {
		1366	next unless -r $path;
		1367
		1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
		1424	}
		1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
		1430	};
		1431	}
		1432
		1433	#############################################################################
		1434
		1435	=back
		1436
		1437	=head2 CORE EXTENSIONS
		1438
		1439	Functions and methods that extend core deliantra objects.
		1440
		1441	=cut
		1442
		1443	package cf::player;
		1444
		1445	use Coro::AIO;
		1446
		1447	=head3 cf::player
		1448
		1449	=over 4
		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
		1465	=item cf::player::find $login
		1466
		1467	Returns the given player object, loading it if necessary (might block).
		1468
		1469	=cut
		1470
		1471	sub playerdir($) {
		1472	"$PLAYERDIR/"
		1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1474	}
		1475
		1476	sub path($) {
		1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1478
		1479	(playerdir $login) . "/playerdata"
		1480	}
		1481
		1482	sub find_active($) {
		1483	$cf::PLAYER{$_[0]}
		1484	and $cf::PLAYER{$_[0]}->active
		1485	and $cf::PLAYER{$_[0]}
		1486	}
		1487
		1488	sub exists($) {
		1489	my ($login) = @_;
		1490
		1491	$cf::PLAYER{$login}
		1492	or !aio_stat path $login
		1493	}
		1494
		1495	sub find($) {
		1496	return $cf::PLAYER{$_[0]} || do {
		1497	my $login = $_[0];
		1498
		1499	my $guard = cf::lock_acquire "user_find:$login";
		1500
		1501	$cf::PLAYER{$_[0]} || do {
		1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
		1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
		1517	$cf::PLAYER{$login} = $pl
		1518	}
		1519	}
		1520	}
		1521
		1522	sub save($) {
		1523	my ($pl) = @_;
		1524
		1525	return if $pl->{deny_save};
		1526
		1527	my $path = path $pl;
		1528	my $guard = cf::lock_acquire "user_save:$path";
		1529
		1530	return if $pl->{deny_save};
		1531
		1532	aio_mkdir playerdir $pl, 0770;
		1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
		1536
		1537	$pl->save_pl ($path);
		1538	cf::cede_to_tick;
		1539	}
		1540
		1541	sub new($) {
		1542	my ($login) = @_;
		1543
		1544	my $self = create;
		1545
		1546	$self->ob->name ($login);
		1547	$self->{deny_save} = 1;
		1548
		1549	$cf::PLAYER{$login} = $self;
		1550
		1551	$self
		1552	}
		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
		1564	=item $pl->quit_character
		1565
		1566	Nukes the player without looking back. If logged in, the connection will
		1567	be destroyed. May block for a long time.
		1568
		1569	=cut
		1570
		1571	sub quit_character {
		1572	my ($pl) = @_;
		1573
		1574	my $name = $pl->ob->name;
		1575
		1576	$pl->{deny_save} = 1;
		1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
		1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1584	$pl->ns->destroy if $pl->ns;
		1585
		1586	my $path = playerdir $pl;
		1587	my $temp = "$path~$cf::RUNTIME~deleting~";
		1588	aio_rename $path, $temp;
		1589	delete $cf::PLAYER{$pl->ob->name};
		1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
		1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
		1612	}
		1613
		1614	=item cf::player::list_logins
		1615
		1616	Returns am arrayref of all valid playernames in the system, can take a
		1617	while and may block, so not sync_job-capable, ever.
		1618
		1619	=cut
		1620
		1621	sub list_logins {
		1622	my $dirs = aio_readdir $PLAYERDIR
		1623	or return [];
		1624
		1625	my @logins;
		1626
		1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
		1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1634	aio_read $fh, 0, 512, my $buf, 0 or next;
		1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
		1637
		1638	utf8::decode $login;
		1639	push @logins, $login;
		1640	}
		1641
		1642	\@logins
		1643	}
		1644
		1645	=item $player->maps
		1646
		1647	Returns an arrayref of map paths that are private for this
		1648	player. May block.
		1649
		1650	=cut
		1651
		1652	sub maps($) {
		1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
		1656
		1657	my $files = aio_readdir playerdir $pl
		1658	or return;
		1659
		1660	my @paths;
		1661
		1662	for (@$files) {
		1663	utf8::decode $_;
		1664	next if /\.(?:pl|pst)$/;
		1665	next unless /^$PATH_SEP/o;
		1666
		1667	push @paths, cf::map::normalise "~$pl/$_";
		1668	}
		1669
		1670	\@paths
		1671	}
		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
		1677	=item $player->ext_reply ($msgid, @msg)
		1678
		1679	Sends an ext reply to the player.
		1680
		1681	=cut
		1682
		1683	sub ext_reply($$@) {
		1684	my ($self, $id, @msg) = @_;
		1685
		1686	$self->ns->ext_reply ($id, @msg)
		1687	}
		1688
		1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
967	my ($path) = @_;	1716	my ($path) = @_;
968		1717
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1718	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1719
975	warn "loading '$path' into '$pkg'\n";	1720	for my $region (list) {
976		1721	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1722	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1723	if $region->specificity > $specificity;
979		1724	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1725	}
1009		1726
1010	# remove commands	1727	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1728	}
1116		1729
1117	=back	1730	=back
1118
1119		1731
1120	=head3 cf::map	1732	=head3 cf::map
1121		1733
1122	=over 4	1734	=over 4
1123		1735
…		…
1126	package cf::map;	1738	package cf::map;
1127		1739
1128	use Fcntl;	1740	use Fcntl;
1129	use Coro::AIO;	1741	use Coro::AIO;
1130		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1131	our $MAX_RESET = 7200;	1747	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1748	our $DEFAULT_RESET = 3000;
1133		1749
1134	sub generate_random_map {	1750	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1754
1137	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1756	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1151	}	1769	}
1152		1770
1153	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1772
1158	$_->change_map_light ($change) for values %cf::MAP;	1773	Register a handler for the map path matching the given regex at the
1159	}	1774	givne priority (higher is better, built-in handlers have priority 0, the
		1775	default).
1160		1776
1161	sub try_load_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1162	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1163		1916
1164	utf8::encode $path;	1917	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1166	or return;	1919	or return;
1167		1920
1168	my $map = cf::map::new	1921	$self->_load_header ($f)
1169	or return;	1922	or return;
1170		1923
1171	$map->load_header ($path)	1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
		1926
		1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1172	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1173		1973
1174	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1175		1976
1176	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	1978	unless $self->default_region;
1178		1979
		1980	1
		1981	}
		1982
		1983	sub find;
1179	sub find_map {	1984	sub find {
1180	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1181		1986
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1988
1187	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1191		1991
1192	# do it the slow way	1992	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	1994	or return;
1207		1995
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215
1216	$map->path ($key);
1217	$map->{path} = $path;
1218	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1219	$map->last_access ($cf::RUNTIME);
1220		1997
1221	if ($map->should_reset) {	1998	$map->load_header
		1999	or return;
		2000
		2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1222	$map->reset;	2006	$map->reset;
1223	$map = find_map $path;	2007	return find $path;
1224	}	2008	}
1225		2009
1226	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1227	}	2011	}
1228	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1229		2016
1230	sub load {	2017	sub load {
1231	my ($self) = @_;	2018	my ($self) = @_;
1232		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1233	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1234	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1235		2026
		2027	return unless $self->valid;
1236	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1237		2029
1238	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1239		2031
1240	$self->alloc;	2032	$self->alloc;
1241	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1242	or return;	2040	or return;
1243		2041
1244	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1245	if delete $self->{load_original};	2043	if delete $self->{load_original};
1246		2044
1247	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1248	utf8::encode $uniq;	2046	utf8::encode $uniq;
1249	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1250	$self->clear_unique_items;	2049	$self->clear_unique_items;
1251	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1252	}	2053	}
1253	}	2054	}
1254		2055
		2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1255	# now do the right thing for maps	2059	# now do the right thing for maps
1256	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1257
1258	if ($self->{path}->is_style_map) {
1259	$self->{deny_save} = 1;
1260	$self->{deny_reset} = 1;
1261	} else {
1262	$self->fix_auto_apply;
1263	$self->decay_objects;
1264	$self->update_buttons;
1265	$self->set_darkness_map;
1266	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1267	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1268	$self->activate;	2070	$self->activate;
1269	}	2071	}
1270		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1271	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1272	}	2077	}
1273		2078
1274	sub load_map_sync {	2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($map) = @_;
		2097
		2098	my @neigh; # diagonal neighbours
		2099
		2100	for (0 .. 3) {
		2101	my $neigh = $map->tile_path ($_)
		2102	or next;
		2103	$neigh = find $neigh, $map
		2104	or next;
		2105	$neigh->load;
		2106
		2107	push @neigh,
		2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2110	}
		2111
		2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
		2114	my $neigh = find $path, $origin
		2115	or next;
		2116	$neigh->load;
		2117	}
		2118	}
		2119
		2120	sub find_sync {
1275	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1276		2122
1277	#warn "load_map_sync<$path, $origin>\n";#d#	2123	cf::sync_job { find $path, $origin }
		2124	}
1278		2125
1279	cf::sync_job {	2126	sub do_load_sync {
1280	my $map = cf::map::find_map $path, $origin	2127	my ($map) = @_;
1281	or return;	2128
1282	$map->load;	2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1283	$map	2130	if $Coro::current == $Coro::main;
		2131
		2132	cf::sync_job { $map->load };
		2133	}
		2134
		2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
1284	}	2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1285	}	2166	}
1286		2167
1287	sub save {	2168	sub save {
1288	my ($self) = @_;	2169	my ($self) = @_;
1289		2170
		2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2172
1290	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1291		2174
1292	return unless $self->dirty;	2175	return unless $self->dirty;
1293		2176
1294	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1295	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1296		2179
1297	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1298		2181
1299	return if $self->{deny_save};	2182	return if $self->{deny_save};
1300		2183
		2184	local $self->{last_access} = $self->last_access;#d#
		2185
		2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
		2188	$_->contr->save for $self->players;
		2189	};
		2190
		2191	cf::get_slot 0.02;
		2192
1301	if ($uniq) {	2193	if ($uniq) {
1302	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1303	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1304	} else {	2196	} else {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1306	}	2198	}
1307	}	2199	}
1308		2200
1309	sub swap_out {	2201	sub swap_out {
1310	my ($self) = @_;	2202	my ($self) = @_;
1311		2203
		2204	# save first because save cedes
		2205	$self->save;
		2206
		2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2208
1312	return if $self->players;	2209	return if $self->players;
1313	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1314	return if $self->{deny_save};	2211	return if $self->{deny_save};
1315		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
1316	$self->save;	2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1317	$self->clear;	2217	$self->clear;
1318	$self->in_memory (cf::MAP_SWAPPED);
1319	}	2218	}
1320		2219
1321	sub reset_at {	2220	sub reset_at {
1322	my ($self) = @_;	2221	my ($self) = @_;
1323		2222
1324	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1325	return 1e99 if $self->{path}{user_rel};
1326	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1327		2225
1328	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1329	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1330		2228
…		…
1335	my ($self) = @_;	2233	my ($self) = @_;
1336		2234
1337	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1338	}	2236	}
1339		2237
1340	sub unlink_save {
1341	my ($self) = @_;
1342
1343	utf8::encode (my $save = $self->{path}->save_path);
1344	aioreq_pri 3; IO::AIO::aio_unlink $save;
1345	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1346	}
1347
1348	sub rename {
1349	my ($self, $new_path) = @_;
1350
1351	$self->unlink_save;
1352
1353	delete $cf::MAP{$self->path};
1354	$self->{path} = new cf::path $new_path;
1355	$self->path ($self->{path}->as_string);
1356	$cf::MAP{$self->path} = $self;
1357
1358	$self->save;
1359	}
1360
1361	sub reset {	2238	sub reset {
1362	my ($self) = @_;	2239	my ($self) = @_;
1363		2240
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1364	return if $self->players;	2243	return if $self->players;
1365	return if $self->{path}{user_rel};#d#
1366		2244
1367	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1368		2256
1369	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1370		2258
		2259	$self->deactivate;
1371	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1372		2262
1373	$self->unlink_save;	2263	$self->unlink_save;
1374	$self->destroy;	2264	$self->destroy;
1375	}	2265	}
1376		2266
1377	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1378		2268
1379	sub nuke {	2269	sub nuke {
1380	my ($self) = @_;	2270	my ($self) = @_;
1381		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1382	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1383	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1384	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1385	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1386	}	2289	}
1387		2290
1388	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1389	my ($map, $ob) = @_;
1390		2292
1391	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1392	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1393	}	2299	[
1394		2300	map {
1395	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1396	}	2307	}
1397		2308
1398	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1399	local $cf::FREEZE = 1;
1400		2310
1401	warn "enter emergency map save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1402		2313
1403	cf::sync_job {	2314	=cut
1404	warn "begin emergency map save\n";	2315
1405	$_->save for values %cf::MAP;	2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
		2327	=item cf::map::unique_maps
		2328
		2329	Returns an arrayref of paths of all shared maps that have
		2330	instantiated unique items. May block.
		2331
		2332	=cut
		2333
		2334	sub unique_maps() {
		2335	[
		2336	map {
		2337	utf8::decode $_;
		2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
		2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
		2343	]
		2344	}
		2345
		2346	=back
		2347
		2348	=head3 cf::object
		2349
		2350	=cut
		2351
		2352	package cf::object;
		2353
		2354	=over 4
		2355
		2356	=item $ob->inv_recursive
		2357
		2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
		2360
		2361	=cut
		2362
		2363	sub inv_recursive_;
		2364	sub inv_recursive_ {
		2365	map { $_, inv_recursive_ $_->inv } @_
		2366	}
		2367
		2368	sub inv_recursive {
		2369	inv_recursive_ inv $_[0]
		2370	}
		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
1406	};	2397	}
1407
1408	warn "end emergency map save\n";
1409	}	2398	}
1410		2399
1411	package cf;	2400	package cf;
1412		2401
1413	=back	2402	=back
1414
1415		2403
1416	=head3 cf::object::player	2404	=head3 cf::object::player
1417		2405
1418	=over 4	2406	=over 4
1419		2407
…		…
1422	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1423	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1424	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1425		2413
1426	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1427		2429
1428	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1429	# with dialog boxes.	2431	# with dialog boxes.
1430	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1431	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1433		2435
1434	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1435		2437
1436	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1437	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1438	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1439	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1440	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1441	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1442	}	2463	}
1443		2464
1444	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1445		2466
1446	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1459		2480
1460	=item $player_object->enter_link	2481	=item $player_object->enter_link
1461		2482
1462	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1463		2484
1464	The player should be reaosnably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1465	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
		2489
		2490	Will never block.
1466		2491
1467	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1468		2493
1469	Moves the player out of the specila link map onto the given map. If the	2494	Moves the player out of the special C<{link}> map onto the specified
1470	map is not valid (or omitted), the player will be moved back to the	2495	map. If the map is not valid (or omitted), the player will be moved back
1471	location he/she was before the call to C<enter_link>, or, if that fails,	2496	to the location he/she was before the call to C<enter_link>, or, if that
1472	to the emergency map position.	2497	fails, to the emergency map position.
1473		2498
1474	Might block.	2499	Might block.
1475		2500
1476	=cut	2501	=cut
		2502
		2503	sub link_map {
		2504	unless ($LINK_MAP) {
		2505	$LINK_MAP = cf::map::find "{link}"
		2506	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2507	$LINK_MAP->load;
		2508	}
		2509
		2510	$LINK_MAP
		2511	}
1477		2512
1478	sub cf::object::player::enter_link {	2513	sub cf::object::player::enter_link {
1479	my ($self) = @_;	2514	my ($self) = @_;
1480		2515
1481	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1482		2517
1483	return if $self->map == $LINK_MAP;	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1484		2519
1485	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1486	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1487		2522
1488	$self->enter_map ($LINK_MAP, 20, 20);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1489	}	2524	}
1490		2525
1491	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1492	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1493		2530
1494	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1495		2532
1496	unless ($map) {	2533	unless ($map) {
1497	# restore original map position	2534	# restore original map position
1498	($map, $x, $y) = @{ $link_pos || [] };	2535	($map, $x, $y) = @{ $link_pos || [] };
1499	$map = cf::map::find_map $map;	2536	$map = cf::map::find $map;
1500		2537
1501	unless ($map) {	2538	unless ($map) {
1502	($map, $x, $y) = @$EMERGENCY_POSITION;	2539	($map, $x, $y) = @$EMERGENCY_POSITION;
1503	$map = cf::map::find_map $map	2540	$map = cf::map::find $map
1504	or die "FATAL: cannot load emergency map\n";	2541	or die "FATAL: cannot load emergency map\n";
1505	}	2542	}
1506	}	2543	}
1507		2544
1508	($x, $y) = (-1, -1)	2545	($x, $y) = (-1, -1)
…		…
1511	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1512	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1513	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1514		2551
1515	$map->load;	2552	$map->load;
		2553	$map->load_neighbours;
1516		2554
		2555	return unless $self->contr->active;
		2556
		2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
1517	$self->activate_recursive;	2561	$self->activate_recursive;
1518	$self->enter_map ($map, $x, $y);
1519	}	2562	}
1520		2563
1521	cf::player->attach (	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1522	on_logout => sub {
1523	my ($pl) = @_;
1524		2565
1525	# abort map switching before logout	2566	Moves the player to the given map-path and coordinates by first freezing
1526	if ($pl->ob->{_link_pos}) {	2567	her, loading and preparing them map, calling the provided $check callback
1527	cf::sync_job {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1528	$pl->ob->leave_link	2569	the new (success) or old (failed) map position. In either case, $done will
1529	};	2570	be called at the end of this process.
1530	}
1531	},
1532	on_login => sub {
1533	my ($pl) = @_;
1534		2571
1535	# try to abort aborted map switching on player login :)	2572	Note that $check will be called with a potentially non-loaded map, so if
1536	# should happen only on crashes	2573	it needs a loaded map it has to call C<< ->load >>.
1537	if ($pl->ob->{_link_pos}) {
1538	$pl->ob->enter_link;
1539	Coro::async {
1540	# we need this sleep as the login has a concurrent enter_exit running
1541	# and this sleep increases chances of the player not ending up in scorn
1542	Coro::Timer::sleep 1;
1543	$pl->ob->leave_link;
1544	};
1545	}
1546	},
1547	);
1548		2574
1549	=item $player_object->goto_map ($path, $x, $y)
1550
1551	=cut	2575	=cut
1552		2576
		2577	our $GOTOGEN;
		2578
1553	sub cf::object::player::goto_map {	2579	sub cf::object::player::goto {
1554	my ($self, $path, $x, $y) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
		2581
		2582	# do generation counting so two concurrent goto's will be executed in-order
		2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1555		2584
1556	$self->enter_link;	2585	$self->enter_link;
1557		2586
1558	(Coro::async {	2587	(async {
1559	$path = new cf::path $path;	2588	$Coro::current->{desc} = "player::goto $path $x $y";
1560		2589
1561	my $map = cf::map::find_map $path->as_string;	2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
		2609	my $map = eval {
		2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
		2612	if ($map) {
1562	$map = $map->customise_for ($self) if $map;	2613	$map = $map->customise_for ($self);
1563		2614	$map = $check->($map) if $check && $map;
1564	# warn "entering ", $map->path, " at ($x, $y)\n"	2615	} else {
1565	# if $map;
1566
1567	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
1568		2618
		2619	$map
		2620	};
		2621
		2622	if ($@) {
		2623	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	LOG llevError | logBacktrace, Carp::longmess $@;
		2625	}
		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1569	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1570	})->prio (1);	2633	})->prio (1);
1571	}	2634	}
1572		2635
1573	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1574		2637
…		…
1576		2639
1577	sub parse_random_map_params {	2640	sub parse_random_map_params {
1578	my ($spec) = @_;	2641	my ($spec) = @_;
1579		2642
1580	my $rmp = { # defaults	2643	my $rmp = { # defaults
1581	xsize => 10,	2644	xsize => (cf::rndm 15, 40),
1582	ysize => 10,	2645	ysize => (cf::rndm 15, 40),
		2646	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2647	#layout => string,
1583	};	2648	};
1584		2649
1585	for (split /\n/, $spec) {	2650	for (split /\n/, $spec) {
1586	my ($k, $v) = split /\s+/, $_, 2;	2651	my ($k, $v) = split /\s+/, $_, 2;
1587		2652
…		…
1599	# that depends on the exit object	2664	# that depends on the exit object
1600		2665
1601	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
1602		2667
1603	if ($exit->map) {	2668	if ($exit->map) {
1604	$rmp->{region} = $exit->map->region_name;	2669	$rmp->{region} = $exit->region->name;
1605	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1606	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1607	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1608	}	2675	}
1609		2676
1610	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1611		2678
1612	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1613	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
		2681	my $meta = "$RANDOMDIR/$md5.meta";
1614		2682
1615	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1616	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
		2685	undef $fh;
		2686	aio_rename "$meta~", $meta;
1617		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1618	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1619	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1620	}	2694	}
1621	}	2695	}
1622		2696
1623	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
1624	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
1625		2699
1626	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
1627		2701
1628	$self->enter_link;	2702	$self->enter_link;
1629		2703
1630	(Coro::async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit";
		2706
1631	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
1632		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
1633	prepare_random_map $exit	2714	prepare_random_map $exit
1634	if $exit->slaying eq "/!";	2715	if $exit->slaying eq "/!";
		2716	}
1635		2717
1636	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1637	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
1638		2721
		2722	$self->goto ($map, $x, $y);
		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
1639	1;	2728	1
1640	}) {	2729	}) {
1641	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
1642	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
1643	. "Please report this to the dungeon master",	2732	. "Please report this to the dungeon master!",
1644	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
1645		2734
1646	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
1647	$self->leave_link;	2736	$self->leave_link;
1648	}	2737	}
1649	})->prio (1);	2738	})->prio (1);
…		…
1662		2751
1663	sub cf::client::send_drawinfo {	2752	sub cf::client::send_drawinfo {
1664	my ($self, $text, $flags) = @_;	2753	my ($self, $text, $flags) = @_;
1665		2754
1666	utf8::encode $text;	2755	utf8::encode $text;
1667	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1668	}	2757	}
1669		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
		2776	"c/identify" => {
		2777	id => "infobox",
		2778	title => "Identify",
		2779	reply => undef,
		2780	tooltip => "Items recently identified",
		2781	},
		2782	"c/examine" => {
		2783	id => "infobox",
		2784	title => "Examine",
		2785	reply => undef,
		2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/shopinfo" => {
		2789	id => "infobox",
		2790	title => "Shop Info",
		2791	reply => undef,
		2792	tooltip => "What your bargaining skill tells you about the shop",
		2793	},
		2794	"c/book" => {
		2795	id => "infobox",
		2796	title => "Book",
		2797	reply => undef,
		2798	tooltip => "The contents of a note or book",
		2799	},
		2800	"c/lookat" => {
		2801	id => "infobox",
		2802	title => "Look",
		2803	reply => undef,
		2804	tooltip => "What you saw there",
		2805	},
		2806	"c/who" => {
		2807	id => "infobox",
		2808	title => "Players",
		2809	reply => undef,
		2810	tooltip => "Shows players who are currently online",
		2811	},
		2812	"c/body" => {
		2813	id => "infobox",
		2814	title => "Body Parts",
		2815	reply => undef,
		2816	tooltip => "Shows which body parts you posess and are available",
		2817	},
		2818	"c/statistics" => {
		2819	id => "infobox",
		2820	title => "Statistics",
		2821	reply => undef,
		2822	tooltip => "Shows your primary statistics",
		2823	},
		2824	"c/skills" => {
		2825	id => "infobox",
		2826	title => "Skills",
		2827	reply => undef,
		2828	tooltip => "Shows your experience per skill and item power",
		2829	},
		2830	"c/shopitems" => {
		2831	id => "infobox",
		2832	title => "Shop Items",
		2833	reply => undef,
		2834	tooltip => "Shows the items currently for sale in this shop",
		2835	},
		2836	"c/resistances" => {
		2837	id => "infobox",
		2838	title => "Resistances",
		2839	reply => undef,
		2840	tooltip => "Shows your resistances",
		2841	},
		2842	"c/pets" => {
		2843	id => "infobox",
		2844	title => "Pets",
		2845	reply => undef,
		2846	tooltip => "Shows information abotu your pets/a specific pet",
		2847	},
		2848	"c/perceiveself" => {
		2849	id => "infobox",
		2850	title => "Perceive Self",
		2851	reply => undef,
		2852	tooltip => "You gained detailed knowledge about yourself",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	"c/death" => {
		2873	id => "death",
		2874	title => "Death",
		2875	reply => undef,
		2876	tooltip => "Reason for and more info about your most recent death",
		2877	},
		2878	"c/say" => $SAY_CHANNEL,
		2879	"c/chat" => $CHAT_CHANNEL,
		2880	);
		2881
		2882	sub cf::client::send_msg {
		2883	my ($self, $channel, $msg, $color, @extra) = @_;
		2884
		2885	$msg = $self->pl->expand_cfpod ($msg)
		2886	unless $color & cf::NDI_VERBATIM;
		2887
		2888	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2889
		2890	# check predefined channels, for the benefit of C
		2891	if ($CHANNEL{$channel}) {
		2892	$channel = $CHANNEL{$channel};
		2893
		2894	$self->ext_msg (channel_info => $channel);
		2895	$channel = $channel->{id};
		2896
		2897	} elsif (ref $channel) {
		2898	# send meta info to client, if not yet sent
		2899	unless (exists $self->{channel}{$channel->{id}}) {
		2900	$self->{channel}{$channel->{id}} = $channel;
		2901	$self->ext_msg (channel_info => $channel);
		2902	}
		2903
		2904	$channel = $channel->{id};
		2905	}
		2906
		2907	return unless @extra || length $msg;
		2908
		2909	# default colour, mask it out
		2910	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2911	if $color & cf::NDI_DEF;
		2912
		2913	my $pkt = "msg "
		2914	. $self->{json_coder}->encode (
		2915	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2916	);
		2917
		2918	# try lzf for large packets
		2919	$pkt = "lzf " . Compress::LZF::compress $pkt
		2920	if 1024 <= length $pkt and $self->{can_lzf};
		2921
		2922	# split very large packets
		2923	if (8192 < length $pkt and $self->{can_lzf}) {
		2924	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2925	$pkt = "frag";
		2926	}
		2927
		2928	$self->send_packet ($pkt);
		2929	}
		2930
		2931	=item $client->ext_msg ($type, @msg)
		2932
		2933	Sends an ext event to the client.
		2934
		2935	=cut
		2936
		2937	sub cf::client::ext_msg($$@) {
		2938	my ($self, $type, @msg) = @_;
		2939
		2940	if ($self->extcmd == 2) {
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2942	} elsif ($self->extcmd == 1) { # TODO: remove
		2943	push @msg, msgtype => "event_$type";
		2944	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2945	}
		2946	}
		2947
		2948	=item $client->ext_reply ($msgid, @msg)
		2949
		2950	Sends an ext reply to the client.
		2951
		2952	=cut
		2953
		2954	sub cf::client::ext_reply($$@) {
		2955	my ($self, $id, @msg) = @_;
		2956
		2957	if ($self->extcmd == 2) {
		2958	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2959	} elsif ($self->extcmd == 1) {
		2960	#TODO: version 1, remove
		2961	unshift @msg, msgtype => "reply", msgid => $id;
		2962	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2963	}
		2964	}
1670		2965
1671	=item $success = $client->query ($flags, "text", \&cb)	2966	=item $success = $client->query ($flags, "text", \&cb)
1672		2967
1673	Queues a query to the client, calling the given callback with	2968	Queues a query to the client, calling the given callback with
1674	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2969	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1675	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2970	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1676		2971
1677	Queries can fail, so check the return code. Or don't, as queries will become	2972	Queries can fail, so check the return code. Or don't, as queries will
1678	reliable at some point in the future.	2973	become reliable at some point in the future.
1679		2974
1680	=cut	2975	=cut
1681		2976
1682	sub cf::client::query {	2977	sub cf::client::query {
1683	my ($self, $flags, $text, $cb) = @_;	2978	my ($self, $flags, $text, $cb) = @_;
…		…
1691	utf8::encode $text;	2986	utf8::encode $text;
1692	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2987	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1693		2988
1694	$self->send_packet ($self->{query_queue}[0][0])	2989	$self->send_packet ($self->{query_queue}[0][0])
1695	if @{ $self->{query_queue} } == 1;	2990	if @{ $self->{query_queue} } == 1;
		2991
		2992	1
1696	}	2993	}
1697		2994
1698	cf::client->attach (	2995	cf::client->attach (
		2996	on_connect => sub {
		2997	my ($ns) = @_;
		2998
		2999	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3000	},
1699	on_reply => sub {	3001	on_reply => sub {
1700	my ($ns, $msg) = @_;	3002	my ($ns, $msg) = @_;
1701		3003
1702	# this weird shuffling is so that direct followup queries	3004	# this weird shuffling is so that direct followup queries
1703	# get handled first	3005	# get handled first
1704	my $queue = delete $ns->{query_queue};	3006	my $queue = delete $ns->{query_queue}
		3007	or return; # be conservative, not sure how that can happen, but we saw a crash here
1705		3008
1706	(shift @$queue)->[1]->($msg);	3009	(shift @$queue)->[1]->($msg);
		3010	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1707		3011
1708	push @{ $ns->{query_queue} }, @$queue;	3012	push @{ $ns->{query_queue} }, @$queue;
1709		3013
1710	if (@{ $ns->{query_queue} } == @$queue) {	3014	if (@{ $ns->{query_queue} } == @$queue) {
1711	if (@$queue) {	3015	if (@$queue) {
…		…
1713	} else {	3017	} else {
1714	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1715	}	3019	}
1716	}	3020	}
1717	},	3021	},
		3022	on_exticmd => sub {
		3023	my ($ns, $buf) = @_;
		3024
		3025	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3026
		3027	if (ref $msg) {
		3028	my ($type, $reply, @payload) =
		3029	"ARRAY" eq ref $msg
		3030	? @$msg
		3031	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3032
		3033	my @reply;
		3034
		3035	if (my $cb = $EXTICMD{$type}) {
		3036	@reply = $cb->($ns, @payload);
		3037	}
		3038
		3039	$ns->ext_reply ($reply, @reply)
		3040	if $reply;
		3041
		3042	} else {
		3043	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3044	}
		3045
		3046	cf::override;
		3047	},
1718	);	3048	);
1719		3049
1720	=item $client->coro (\&cb)	3050	=item $client->async (\&cb)
1721		3051
1722	Create a new coroutine, running the specified callback. The coroutine will	3052	Create a new coroutine, running the specified callback. The coroutine will
1723	be automatically cancelled when the client gets destroyed (e.g. on logout,	3053	be automatically cancelled when the client gets destroyed (e.g. on logout,
1724	or loss of connection).	3054	or loss of connection).
1725		3055
1726	=cut	3056	=cut
1727		3057
1728	sub cf::client::coro {	3058	sub cf::client::async {
1729	my ($self, $cb) = @_;	3059	my ($self, $cb) = @_;
1730		3060
1731	my $coro; $coro = async {	3061	my $coro = &Coro::async ($cb);
1732	eval {
1733	$cb->();
1734	};
1735	warn $@ if $@;
1736	};
1737		3062
1738	$coro->on_destroy (sub {	3063	$coro->on_destroy (sub {
1739	delete $self->{_coro}{$coro+0};	3064	delete $self->{_coro}{$coro+0};
1740	});	3065	});
1741		3066
…		…
1768	our $safe = new Safe "safe";	3093	our $safe = new Safe "safe";
1769	our $safe_hole = new Safe::Hole;	3094	our $safe_hole = new Safe::Hole;
1770		3095
1771	$SIG{FPE} = 'IGNORE';	3096	$SIG{FPE} = 'IGNORE';
1772		3097
1773	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3098	$safe->permit_only (Opcode::opset qw(
		3099	:base_core :base_mem :base_orig :base_math
		3100	grepstart grepwhile mapstart mapwhile
		3101	sort time
		3102	));
1774		3103
1775	# here we export the classes and methods available to script code	3104	# here we export the classes and methods available to script code
1776		3105
1777	=pod	3106	=pod
1778		3107
1779	The following fucntions and emthods are available within a safe environment:	3108	The following functions and methods are available within a safe environment:
1780		3109
1781	cf::object contr pay_amount pay_player map	3110	cf::object
		3111	contr pay_amount pay_player map x y force_find force_add destroy
		3112	insert remove name archname title slaying race decrease split
		3113	value
		3114
1782	cf::object::player player	3115	cf::object::player
1783	cf::player peaceful	3116	player
1784	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
1785		3123
1786	=cut	3124	=cut
1787		3125
1788	for (	3126	for (
1789	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy change_exp value msg lore send_msg)],
1790	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
1791	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful send_msg)],
1792	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
1793	) {	3133	) {
1794	no strict 'refs';	3134	no strict 'refs';
1795	my ($pkg, @funs) = @$_;	3135	my ($pkg, @funs) = @$_;
1796	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3136	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1813	my ($code, %vars) = @_;	3153	my ($code, %vars) = @_;
1814		3154
1815	my $qcode = $code;	3155	my $qcode = $code;
1816	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3156	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1817	$qcode =~ s/\n/\\n/g;	3157	$qcode =~ s/\n/\\n/g;
		3158
		3159	%vars = (_dummy => 0) unless %vars;
1818		3160
1819	local $_;	3161	local $_;
1820	local @safe::cf::_safe_eval_args = values %vars;	3162	local @safe::cf::_safe_eval_args = values %vars;
1821		3163
1822	my $eval =	3164	my $eval =
…		…
1865	=back	3207	=back
1866		3208
1867	=cut	3209	=cut
1868		3210
1869	#############################################################################	3211	#############################################################################
		3212	# the server's init and main functions
1870		3213
1871	=head2 EXTENSION DATABASE SUPPORT	3214	sub load_facedata($) {
		3215	my ($path) = @_;
1872		3216
1873	Crossfire maintains a very simple database for extension use. It can	3217	# HACK to clear player env face cache, we need some signal framework
1874	currently store anything that can be serialised using Storable, which	3218	# for this (global event?)
1875	excludes objects.	3219	%ext::player_env::MUSIC_FACE_CACHE = ();
1876		3220
1877	The parameter C<$family> should best start with the name of the extension	3221	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1878	using it, it should be unique.
1879		3222
1880	=over 4	3223	warn "loading facedata from $path\n";
1881		3224
1882	=item $hashref = cf::db_get $family	3225	my $facedata;
		3226	0 < aio_load $path, $facedata
		3227	or die "$path: $!";
1883		3228
1884	Return a hashref for use by the extension C<$family>, which can be	3229	$facedata = Coro::Storable::thaw $facedata;
1885	modified. After modifications, you have to call C<cf::db_dirty> or
1886	C<cf::db_sync>.
1887		3230
1888	=item $value = cf::db_get $family => $key	3231	$facedata->{version} == 2
		3232	or cf::cleanup "$path: version mismatch, cannot proceed.";
1889		3233
1890	Returns a single value from the database	3234	# patch in the exptable
1891		3235	$facedata->{resource}{"res/exp_table"} = {
1892	=item cf::db_put $family => $hashref	3236	type => FT_RSRC,
1893		3237	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1894	Stores the given family hashref into the database. Updates are delayed, if
1895	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1896
1897	=item cf::db_put $family => $key => $value
1898
1899	Stores the given C<$value> in the family hash. Updates are delayed, if you
1900	want the data to be synced to disk immediately, use C<cf::db_sync>.
1901
1902	=item cf::db_dirty
1903
1904	Marks the database as dirty, to be updated at a later time.
1905
1906	=item cf::db_sync
1907
1908	Immediately write the database to disk I<if it is dirty>.
1909
1910	=cut
1911
1912	our $DB;
1913
1914	{
1915	my $path = cf::localdir . "/database.pst";
1916
1917	sub db_load() {
1918	$DB = stat $path ? Storable::retrieve $path : { };
1919	}
1920
1921	my $pid;
1922
1923	sub db_save() {
1924	waitpid $pid, 0 if $pid;
1925	if (0 == ($pid = fork)) {
1926	$DB->{_meta}{version} = 1;
1927	Storable::nstore $DB, "$path~";
1928	rename "$path~", $path;
1929	cf::_exit 0 if defined $pid;
1930	}
1931	}
1932
1933	my $dirty;
1934
1935	sub db_sync() {
1936	db_save if $dirty;
1937	undef $dirty;
1938	}
1939
1940	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1941	db_sync;
1942	});	3238	};
		3239	cf::cede_to_tick;
1943		3240
1944	sub db_dirty() {
1945	$dirty = 1;
1946	$idle->start;
1947	}	3241	{
		3242	my $faces = $facedata->{faceinfo};
1948		3243
1949	sub db_get($;$) {	3244	while (my ($face, $info) = each %$faces) {
1950	@_ >= 2	3245	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1951	? $DB->{$_[0]}{$_[1]}
1952	: ($DB->{$_[0]} ||= { })
1953	}
1954		3246
1955	sub db_put($$;$) {	3247	cf::face::set_visibility $idx, $info->{visibility};
1956	if (@_ >= 3) {	3248	cf::face::set_magicmap $idx, $info->{magicmap};
1957	$DB->{$_[0]}{$_[1]} = $_[2];	3249	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
1958	} else {	3250	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1959	$DB->{$_[0]} = $_[1];
1960	}
1961	db_dirty;
1962	}
1963		3251
1964	cf::global->attach (	3252	cf::cede_to_tick;
1965	prio => 10000,
1966	on_cleanup => sub {
1967	db_sync;
1968	},	3253	}
1969	);
1970	}
1971		3254
1972	#############################################################################	3255	while (my ($face, $info) = each %$faces) {
1973	# the server's main()	3256	next unless $info->{smooth};
1974		3257
1975	sub cfg_load {	3258	my $idx = cf::face::find $face
		3259	or next;
		3260
		3261	if (my $smooth = cf::face::find $info->{smooth}) {
		3262	cf::face::set_smooth $idx, $smooth;
		3263	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3264	} else {
		3265	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3266	}
		3267
		3268	cf::cede_to_tick;
		3269	}
		3270	}
		3271
		3272	{
		3273	my $anims = $facedata->{animinfo};
		3274
		3275	while (my ($anim, $info) = each %$anims) {
		3276	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3277	cf::cede_to_tick;
		3278	}
		3279
		3280	cf::anim::invalidate_all; # d'oh
		3281	}
		3282
		3283	{
		3284	# TODO: for gcfclient pleasure, we should give resources
		3285	# that gcfclient doesn't grok a >10000 face index.
		3286	my $res = $facedata->{resource};
		3287
		3288	while (my ($name, $info) = each %$res) {
		3289	if (defined $info->{type}) {
		3290	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3291	my $data;
		3292
		3293	if ($info->{type} & 1) {
		3294	# prepend meta info
		3295
		3296	my $meta = $enc->encode ({
		3297	name => $name,
		3298	%{ $info->{meta} || {} },
		3299	});
		3300
		3301	$data = pack "(w/a*)*", $meta, $info->{data};
		3302	} else {
		3303	$data = $info->{data};
		3304	}
		3305
		3306	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3307	cf::face::set_type $idx, $info->{type};
		3308	} else {
		3309	$RESOURCE{$name} = $info;
		3310	}
		3311
		3312	cf::cede_to_tick;
		3313	}
		3314	}
		3315
		3316	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3317
		3318	1
		3319	}
		3320
		3321	cf::global->attach (on_resource_update => sub {
		3322	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3323	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3324
		3325	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3326	my $sound = $soundconf->{compat}[$_]
		3327	or next;
		3328
		3329	my $face = cf::face::find "sound/$sound->[1]";
		3330	cf::sound::set $sound->[0] => $face;
		3331	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3332	}
		3333
		3334	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3335	my $face = cf::face::find "sound/$v";
		3336	cf::sound::set $k => $face;
		3337	}
		3338	}
		3339	});
		3340
		3341	register_exticmd fx_want => sub {
		3342	my ($ns, $want) = @_;
		3343
		3344	while (my ($k, $v) = each %$want) {
		3345	$ns->fx_want ($k, $v);
		3346	}
		3347	};
		3348
		3349	sub load_resource_file($) {
		3350	my $guard = lock_acquire "load_resource_file";
		3351
		3352	my $status = load_resource_file_ $_[0];
		3353	get_slot 0.1, 100;
		3354	cf::arch::commit_load;
		3355
		3356	$status
		3357	}
		3358
		3359	sub reload_regions {
		3360	# HACK to clear player env face cache, we need some signal framework
		3361	# for this (global event?)
		3362	%ext::player_env::MUSIC_FACE_CACHE = ();
		3363
		3364	load_resource_file "$MAPDIR/regions"
		3365	or die "unable to load regions file\n";
		3366
		3367	for (cf::region::list) {
		3368	$_->{match} = qr/$_->{match}/
		3369	if exists $_->{match};
		3370	}
		3371	}
		3372
		3373	sub reload_facedata {
		3374	load_facedata "$DATADIR/facedata"
		3375	or die "unable to load facedata\n";
		3376	}
		3377
		3378	sub reload_archetypes {
		3379	load_resource_file "$DATADIR/archetypes"
		3380	or die "unable to load archetypes\n";
		3381	}
		3382
		3383	sub reload_treasures {
		3384	load_resource_file "$DATADIR/treasures"
		3385	or die "unable to load treasurelists\n";
		3386	}
		3387
		3388	sub reload_resources {
		3389	warn "reloading resource files...\n";
		3390
		3391	reload_facedata;
		3392	reload_archetypes;
		3393	reload_regions;
		3394	reload_treasures;
		3395
		3396	warn "finished reloading resource files\n";
		3397	}
		3398
		3399	sub reload_config {
		3400	warn "reloading config file...\n";
		3401
1976	open my $fh, "<:utf8", cf::confdir . "/config"	3402	open my $fh, "<:utf8", "$CONFDIR/config"
1977	or return;	3403	or return;
1978		3404
1979	local $/;	3405	local $/;
1980	*CFG = YAML::Syck::Load <$fh>;	3406	*CFG = YAML::XS::Load scalar <$fh>;
		3407
		3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3409
		3410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3412
		3413	if (exists $CFG{mlockall}) {
		3414	eval {
		3415	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3416	and die "WARNING: m(un)lockall failed: $!\n";
		3417	};
		3418	warn $@ if $@;
		3419	}
		3420
		3421	warn "finished reloading resource files\n";
		3422	}
		3423
		3424	sub pidfile() {
		3425	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3426	or die "$PIDFILE: $!";
		3427	flock $fh, &Fcntl::LOCK_EX
		3428	or die "$PIDFILE: flock: $!";
		3429	$fh
		3430	}
		3431
		3432	# make sure only one server instance is running at any one time
		3433	sub atomic {
		3434	my $fh = pidfile;
		3435
		3436	my $pid = <$fh>;
		3437	kill 9, $pid if $pid > 0;
		3438
		3439	seek $fh, 0, 0;
		3440	print $fh $$;
		3441	}
		3442
		3443	sub main_loop {
		3444	warn "EV::loop starting\n";
		3445	if (1) {
		3446	EV::loop;
		3447	}
		3448	warn "EV::loop returned\n";
		3449	goto &main_loop unless $REALLY_UNLOOP;
1981	}	3450	}
1982		3451
1983	sub main {	3452	sub main {
		3453	cf::init_globals; # initialise logging
		3454
		3455	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3456	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3457	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3458	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3459
		3460	cf::init_experience;
		3461	cf::init_anim;
		3462	cf::init_attackmess;
		3463	cf::init_dynamic;
		3464
		3465	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3466
1984	# we must not ever block the main coroutine	3467	# we must not ever block the main coroutine
1985	local $Coro::idle = sub {	3468	local $Coro::idle = sub {
1986	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3469	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1987	(Coro::unblock_sub {	3470	(async {
1988	Event::one_event;	3471	$Coro::current->{desc} = "IDLE BUG HANDLER";
1989	})->();	3472	EV::loop EV::LOOP_ONESHOT;
		3473	})->prio (Coro::PRIO_MAX);
1990	};	3474	};
1991		3475
1992	cfg_load;	3476	evthread_start IO::AIO::poll_fileno;
1993	db_load;	3477
		3478	cf::sync_job {
		3479	reload_resources;
		3480	reload_config;
		3481	db_init;
		3482
		3483	cf::load_settings;
		3484	cf::load_materials;
		3485	cf::init_uuid;
		3486	cf::init_signals;
		3487	cf::init_commands;
		3488	cf::init_skills;
		3489
		3490	cf::init_beforeplay;
		3491
		3492	atomic;
		3493
1994	load_extensions;	3494	load_extensions;
1995	Event::loop;	3495
		3496	utime time, time, $RUNTIMEFILE;
		3497
		3498	# no (long-running) fork's whatsoever before this point(!)
		3499	use POSIX ();
		3500	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3501
		3502	(pop @POST_INIT)->(0) while @POST_INIT;
		3503	};
		3504
		3505	main_loop;
1996	}	3506	}
1997		3507
1998	#############################################################################	3508	#############################################################################
1999	# initialisation	3509	# initialisation and cleanup
2000		3510
		3511	# install some emergency cleanup handlers
		3512	BEGIN {
		3513	our %SIGWATCHER = ();
		3514	for my $signal (qw(INT HUP TERM)) {
		3515	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3516	cf::cleanup "SIG$signal";
		3517	};
		3518	}
		3519	}
		3520
		3521	sub write_runtime_sync {
		3522	# first touch the runtime file to show we are still running:
		3523	# the fsync below can take a very very long time.
		3524
		3525	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3526
		3527	my $guard = cf::lock_acquire "write_runtime";
		3528
		3529	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3530	or return;
		3531
		3532	my $value = $cf::RUNTIME + 90 + 10;
		3533	# 10 is the runtime save interval, for a monotonic clock
		3534	# 60 allows for the watchdog to kill the server.
		3535
		3536	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3537	and return;
		3538
		3539	# always fsync - this file is important
		3540	aio_fsync $fh
		3541	and return;
		3542
		3543	# touch it again to show we are up-to-date
		3544	aio_utime $fh, undef, undef;
		3545
		3546	close $fh
		3547	or return;
		3548
		3549	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3550	and return;
		3551
		3552	warn "runtime file written.\n";
		3553
		3554	1
		3555	}
		3556
		3557	our $uuid_lock;
		3558	our $uuid_skip;
		3559
		3560	sub write_uuid_sync($) {
		3561	$uuid_skip ||= $_[0];
		3562
		3563	return if $uuid_lock;
		3564	local $uuid_lock = 1;
		3565
		3566	my $uuid = "$LOCALDIR/uuid";
		3567
		3568	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3569	or return;
		3570
		3571	my $value = uuid_seq uuid_cur;
		3572
		3573	unless ($value) {
		3574	warn "cowardly refusing to write zero uuid value!\n";
		3575	return;
		3576	}
		3577
		3578	my $value = uuid_str $value + $uuid_skip;
		3579	$uuid_skip = 0;
		3580
		3581	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3582	and return;
		3583
		3584	# always fsync - this file is important
		3585	aio_fsync $fh
		3586	and return;
		3587
		3588	close $fh
		3589	or return;
		3590
		3591	aio_rename "$uuid~", $uuid
		3592	and return;
		3593
		3594	warn "uuid file written ($value).\n";
		3595
		3596	1
		3597
		3598	}
		3599
		3600	sub write_uuid($$) {
		3601	my ($skip, $sync) = @_;
		3602
		3603	$sync ? write_uuid_sync $skip
		3604	: async { write_uuid_sync $skip };
		3605	}
		3606
		3607	sub emergency_save() {
		3608	my $freeze_guard = cf::freeze_mainloop;
		3609
		3610	warn "emergency_perl_save: enter\n";
		3611
		3612	cf::sync_job {
		3613	# this is a trade-off: we want to be very quick here, so
		3614	# save all maps without fsync, and later call a global sync
		3615	# (which in turn might be very very slow)
		3616	local $USE_FSYNC = 0;
		3617
		3618	# use a peculiar iteration method to avoid tripping on perl
		3619	# refcount bugs in for. also avoids problems with players
		3620	# and maps saved/destroyed asynchronously.
		3621	warn "emergency_perl_save: begin player save\n";
		3622	for my $login (keys %cf::PLAYER) {
		3623	my $pl = $cf::PLAYER{$login} or next;
		3624	$pl->valid or next;
		3625	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3626	$pl->save;
		3627	}
		3628	warn "emergency_perl_save: end player save\n";
		3629
		3630	warn "emergency_perl_save: begin map save\n";
		3631	for my $path (keys %cf::MAP) {
		3632	my $map = $cf::MAP{$path} or next;
		3633	$map->valid or next;
		3634	$map->save;
		3635	}
		3636	warn "emergency_perl_save: end map save\n";
		3637
		3638	warn "emergency_perl_save: begin database checkpoint\n";
		3639	BDB::db_env_txn_checkpoint $DB_ENV;
		3640	warn "emergency_perl_save: end database checkpoint\n";
		3641
		3642	warn "emergency_perl_save: begin write uuid\n";
		3643	write_uuid_sync 1;
		3644	warn "emergency_perl_save: end write uuid\n";
		3645	};
		3646
		3647	warn "emergency_perl_save: starting sync()\n";
		3648	IO::AIO::aio_sync sub {
		3649	warn "emergency_perl_save: finished sync()\n";
		3650	};
		3651
		3652	warn "emergency_perl_save: leave\n";
		3653	}
		3654
		3655	sub post_cleanup {
		3656	my ($make_core) = @_;
		3657
		3658	warn Carp::longmess "post_cleanup backtrace"
		3659	if $make_core;
		3660
		3661	my $fh = pidfile;
		3662	unlink $PIDFILE if <$fh> == $$;
		3663	}
		3664
		3665	# a safer delete_package, copied from Symbol
		3666	sub clear_package($) {
		3667	my $pkg = shift;
		3668
		3669	# expand to full symbol table name if needed
		3670	unless ($pkg =~ /^main::.*::$/) {
		3671	$pkg = "main$pkg" if $pkg =~ /^::/;
		3672	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3673	$pkg .= '::' unless $pkg =~ /::$/;
		3674	}
		3675
		3676	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3677	my $stem_symtab = *{$stem}{HASH};
		3678
		3679	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3680	or return;
		3681
		3682	# clear all symbols
		3683	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3684	for my $name (keys %$leaf_symtab) {
		3685	_gv_clear *{"$pkg$name"};
		3686	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3687	}
		3688	warn "cleared package $pkg\n";#d#
		3689	}
		3690
2001	sub reload() {	3691	sub do_reload_perl() {
2002	# can/must only be called in main	3692	# can/must only be called in main
2003	if ($Coro::current != $Coro::main) {	3693	if ($Coro::current != $Coro::main) {
2004	warn "can only reload from main coroutine\n";	3694	warn "can only reload from main coroutine";
2005	return;	3695	return;
2006	}	3696	}
2007		3697
		3698	return if $RELOAD++;
		3699
		3700	my $t1 = EV::time;
		3701
		3702	while ($RELOAD) {
2008	warn "reloading...";	3703	warn "reloading...";
2009		3704
2010	local $FREEZE = 1;	3705	warn "entering sync_job";
		3706
		3707	cf::sync_job {
		3708	cf::write_runtime_sync; # external watchdog should not bark
2011	cf::emergency_save;	3709	cf::emergency_save;
		3710	cf::write_runtime_sync; # external watchdog should not bark
2012		3711
2013	eval {	3712	warn "syncing database to disk";
		3713	BDB::db_env_txn_checkpoint $DB_ENV;
		3714
2014	# if anything goes wrong in here, we should simply crash as we already saved	3715	# if anything goes wrong in here, we should simply crash as we already saved
2015		3716
2016	# cancel all watchers	3717	warn "flushing outstanding aio requests";
2017	for (Event::all_watchers) {	3718	while (IO::AIO::nreqs || BDB::nreqs) {
2018	$_->cancel if $_->data & WF_AUTOCANCEL;	3719	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2019	}
2020
2021	# cancel all extension coros
2022	$_->cancel for values %EXT_CORO;
2023	%EXT_CORO = ();
2024
2025	# unload all extensions
2026	for (@exts) {
2027	warn "unloading <$_>";
2028	unload_extension $_;
2029	}
2030
2031	# unload all modules loaded from $LIBDIR
2032	while (my ($k, $v) = each %INC) {
2033	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2034
2035	warn "removing <$k>";
2036	delete $INC{$k};
2037
2038	$k =~ s/\.pm$//;
2039	$k =~ s/\//::/g;
2040
2041	if (my $cb = $k->can ("unload_module")) {
2042	$cb->();
2043	}	3720	}
2044		3721
2045	Symbol::delete_package $k;	3722	warn "cancelling all extension coros";
		3723	$_->cancel for values %EXT_CORO;
		3724	%EXT_CORO = ();
		3725
		3726	warn "removing commands";
		3727	%COMMAND = ();
		3728
		3729	warn "removing ext/exti commands";
		3730	%EXTCMD = ();
		3731	%EXTICMD = ();
		3732
		3733	warn "unloading/nuking all extensions";
		3734	for my $pkg (@EXTS) {
		3735	warn "... unloading $pkg";
		3736
		3737	if (my $cb = $pkg->can ("unload")) {
		3738	eval {
		3739	$cb->($pkg);
		3740	1
		3741	} or warn "$pkg unloaded, but with errors: $@";
		3742	}
		3743
		3744	warn "... clearing $pkg";
		3745	clear_package $pkg;
2046	}	3746	}
2047		3747
2048	# sync database to disk	3748	warn "unloading all perl modules loaded from $LIBDIR";
2049	cf::db_sync;	3749	while (my ($k, $v) = each %INC) {
2050	IO::AIO::flush;	3750	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2051		3751
		3752	warn "... unloading $k";
		3753	delete $INC{$k};
		3754
		3755	$k =~ s/\.pm$//;
		3756	$k =~ s/\//::/g;
		3757
		3758	if (my $cb = $k->can ("unload_module")) {
		3759	$cb->();
		3760	}
		3761
		3762	clear_package $k;
		3763	}
		3764
2052	# get rid of safe::, as good as possible	3765	warn "getting rid of safe::, as good as possible";
2053	Symbol::delete_package "safe::$_"	3766	clear_package "safe::$_"
2054	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3767	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2055		3768
2056	# remove register_script_function callbacks	3769	warn "unloading cf.pm \"a bit\"";
2057	# TODO
2058
2059	# unload cf.pm "a bit"
2060	delete $INC{"cf.pm"};	3770	delete $INC{"cf.pm"};
		3771	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2061		3772
2062	# don't, removes xs symbols, too,	3773	# don't, removes xs symbols, too,
2063	# and global variables created in xs	3774	# and global variables created in xs
2064	#Symbol::delete_package __PACKAGE__;	3775	#clear_package __PACKAGE__;
2065		3776
2066	# reload cf.pm	3777	warn "unload completed, starting to reload now";
		3778
2067	warn "reloading cf.pm";	3779	warn "reloading cf.pm";
2068	require cf;	3780	require cf;
2069	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3781	cf::_connect_to_perl_1;
2070		3782
2071	# load config and database again	3783	warn "loading config and database again";
2072	cf::cfg_load;	3784	cf::reload_config;
2073	cf::db_load;
2074		3785
2075	# load extensions
2076	warn "load extensions";	3786	warn "loading extensions";
2077	cf::load_extensions;	3787	cf::load_extensions;
2078		3788
2079	# reattach attachments to objects	3789	if ($REATTACH_ON_RELOAD) {
		3790	warn "reattaching attachments to objects/players";
		3791	_global_reattach; # objects, sockets
		3792	warn "reattaching attachments to maps";
		3793	reattach $_ for values %MAP;
		3794	warn "reattaching attachments to players";
		3795	reattach $_ for values %PLAYER;
		3796	}
		3797
		3798	warn "running post_init jobs";
		3799	(pop @POST_INIT)->(1) while @POST_INIT;
		3800
		3801	warn "leaving sync_job";
		3802
		3803	1
		3804	} or do {
		3805	warn $@;
		3806	cf::cleanup "error while reloading, exiting.";
		3807	};
		3808
2080	warn "reattach";	3809	warn "reloaded";
2081	_global_reattach;	3810	--$RELOAD;
		3811	}
		3812
		3813	$t1 = EV::time - $t1;
		3814	warn "reload completed in ${t1}s\n";
		3815	};
		3816
		3817	our $RELOAD_WATCHER; # used only during reload
		3818
		3819	sub reload_perl() {
		3820	# doing reload synchronously and two reloads happen back-to-back,
		3821	# coro crashes during coro_state_free->destroy here.
		3822
		3823	$RELOAD_WATCHER ||= cf::async {
		3824	Coro::AIO::aio_wait cache_extensions;
		3825
		3826	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3827	do_reload_perl;
		3828	undef $RELOAD_WATCHER;
		3829	};
2082	};	3830	};
2083
2084	if ($@) {
2085	warn $@;
2086	warn "error while reloading, exiting.";
2087	exit 1;
2088	}
2089
2090	warn "reloaded successfully";
2091	};
2092
2093	#############################################################################
2094
2095	unless ($LINK_MAP) {
2096	$LINK_MAP = cf::map::new;
2097
2098	$LINK_MAP->width (41);
2099	$LINK_MAP->height (41);
2100	$LINK_MAP->alloc;
2101	$LINK_MAP->path ("{link}");
2102	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2103	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2104
2105	# dirty hack because... archetypes are not yet loaded
2106	Event->timer (
2107	after => 2,
2108	cb => sub {
2109	$_[0]->w->cancel;
2110
2111	# provide some exits "home"
2112	my $exit = cf::object::new "exit";
2113
2114	$exit->slaying ($EMERGENCY_POSITION->[0]);
2115	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2116	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2117
2118	$LINK_MAP->insert ($exit->clone, 19, 19);
2119	$LINK_MAP->insert ($exit->clone, 19, 20);
2120	$LINK_MAP->insert ($exit->clone, 19, 21);
2121	$LINK_MAP->insert ($exit->clone, 20, 19);
2122	$LINK_MAP->insert ($exit->clone, 20, 21);
2123	$LINK_MAP->insert ($exit->clone, 21, 19);
2124	$LINK_MAP->insert ($exit->clone, 21, 20);
2125	$LINK_MAP->insert ($exit->clone, 21, 21);
2126
2127	$exit->destroy;
2128	});
2129
2130	$LINK_MAP->{deny_save} = 1;
2131	$LINK_MAP->{deny_reset} = 1;
2132
2133	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2134	}	3831	}
2135
2136	register "<global>", __PACKAGE__;
2137		3832
2138	register_command "reload" => sub {	3833	register_command "reload" => sub {
2139	my ($who, $arg) = @_;	3834	my ($who, $arg) = @_;
2140		3835
2141	if ($who->flag (FLAG_WIZ)) {	3836	if ($who->flag (FLAG_WIZ)) {
2142	$who->message ("start of reload.");
2143	reload;
2144	$who->message ("end of reload.");	3837	$who->message ("reloading server.");
		3838	async {
		3839	$Coro::current->{desc} = "perl_reload";
		3840	reload_perl;
		3841	};
2145	}	3842	}
2146	};	3843	};
2147		3844
2148	unshift @INC, $LIBDIR;	3845	unshift @INC, $LIBDIR;
2149		3846
2150	$TICK_WATCHER = Event->timer (	3847	my $bug_warning = 0;
2151	reentrant => 0,	3848
2152	prio => 0,	3849	our @WAIT_FOR_TICK;
2153	at => $NEXT_TICK || $TICK,	3850	our @WAIT_FOR_TICK_BEGIN;
2154	data => WF_AUTOCANCEL,	3851
2155	cb => sub {	3852	sub wait_for_tick {
2156	unless ($FREEZE) {	3853	return if tick_inhibit || $Coro::current == $Coro::main;
		3854
		3855	my $signal = new Coro::Signal;
		3856	push @WAIT_FOR_TICK, $signal;
		3857	$signal->wait;
		3858	}
		3859
		3860	sub wait_for_tick_begin {
		3861	return if tick_inhibit || $Coro::current == $Coro::main;
		3862
		3863	my $signal = new Coro::Signal;
		3864	push @WAIT_FOR_TICK_BEGIN, $signal;
		3865	$signal->wait;
		3866	}
		3867
		3868	sub tick {
		3869	if ($Coro::current != $Coro::main) {
		3870	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3871	unless ++$bug_warning > 10;
		3872	return;
		3873	}
		3874
2157	cf::server_tick; # one server iteration	3875	cf::server_tick; # one server iteration
2158	$RUNTIME += $TICK;
2159	}
2160		3876
2161	$NEXT_TICK += $TICK;	3877	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2162		3878	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2163	# if we are delayed by four ticks or more, skip them all	3879	Coro::async_pool {
2164	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3880	$Coro::current->{desc} = "runtime saver";
2165
2166	$TICK_WATCHER->at ($NEXT_TICK);
2167	$TICK_WATCHER->start;
2168	},
2169	);
2170
2171	IO::AIO::max_poll_time $TICK * 0.2;
2172
2173	Event->io (
2174	fd => IO::AIO::poll_fileno,
2175	poll => 'r',
2176	prio => 5,
2177	data => WF_AUTOCANCEL,
2178	cb => \&IO::AIO::poll_cb,
2179	);
2180
2181	Event->timer (
2182	data => WF_AUTOCANCEL,
2183	after => 0,
2184	interval => 10,
2185	cb => sub {
2186	(Coro::unblock_sub {
2187	write_runtime	3881	write_runtime_sync
2188	or warn "ERROR: unable to write runtime file: $!";	3882	or warn "ERROR: unable to write runtime file: $!";
2189	})->();	3883	};
2190	},	3884	}
2191	);	3885
		3886	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3887	$sig->send;
		3888	}
		3889	while (my $sig = shift @WAIT_FOR_TICK) {
		3890	$sig->send;
		3891	}
		3892
		3893	$LOAD = ($NOW - $TICK_START) / $TICK;
		3894	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3895
		3896	if (0) {
		3897	if ($NEXT_TICK) {
		3898	my $jitter = $TICK_START - $NEXT_TICK;
		3899	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3900	warn "jitter $JITTER\n";#d#
		3901	}
		3902	}
		3903	}
		3904
		3905	{
		3906	# configure BDB
		3907
		3908	BDB::min_parallel 8;
		3909	BDB::max_poll_reqs $TICK * 0.1;
		3910	$AnyEvent::BDB::WATCHER->priority (1);
		3911
		3912	unless ($DB_ENV) {
		3913	$DB_ENV = BDB::db_env_create;
		3914	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3915	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3916	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3917	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3918	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3919
		3920	cf::sync_job {
		3921	eval {
		3922	BDB::db_env_open
		3923	$DB_ENV,
		3924	$BDBDIR,
		3925	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3926	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3927	0666;
		3928
		3929	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3930	};
		3931
		3932	cf::cleanup "db_env_open(db): $@" if $@;
		3933	};
		3934	}
		3935
		3936	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3937	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3938	};
		3939	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3940	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3941	};
		3942	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3943	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3944	};
		3945	}
		3946
		3947	{
		3948	# configure IO::AIO
		3949
		3950	IO::AIO::min_parallel 8;
		3951	IO::AIO::max_poll_time $TICK * 0.1;
		3952	undef $AnyEvent::AIO::WATCHER;
		3953	}
		3954
		3955	my $_log_backtrace;
		3956
		3957	sub _log_backtrace {
		3958	my ($msg, @addr) = @_;
		3959
		3960	$msg =~ s/\n//;
		3961
		3962	# limit the # of concurrent backtraces
		3963	if ($_log_backtrace < 2) {
		3964	++$_log_backtrace;
		3965	my $perl_bt = Carp::longmess $msg;
		3966	async {
		3967	$Coro::current->{desc} = "abt $msg";
		3968
		3969	my @bt = fork_call {
		3970	@addr = map { sprintf "%x", $_ } @addr;
		3971	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3972	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3973	or die "addr2line: $!";
		3974
		3975	my @funcs;
		3976	my @res = <$fh>;
		3977	chomp for @res;
		3978	while (@res) {
		3979	my ($func, $line) = splice @res, 0, 2, ();
		3980	push @funcs, "[$func] $line";
		3981	}
		3982
		3983	@funcs
		3984	};
		3985
		3986	LOG llevInfo, "[ABT] $perl_bt\n";
		3987	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3988	LOG llevInfo, "[ABT] $_\n" for @bt;
		3989	--$_log_backtrace;
		3990	};
		3991	} else {
		3992	LOG llevInfo, "[ABT] $msg\n";
		3993	LOG llevInfo, "[ABT] [suppressed]\n";
		3994	}
		3995	}
		3996
		3997	# load additional modules
		3998	require "cf/$_.pm" for @EXTRA_MODULES;
		3999	cf::_connect_to_perl_2;
		4000
		4001	END { cf::emergency_save }
2192		4002
2193	1	4003	1
2194		4004

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