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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 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 (Coro::PRIO_MAX); # 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 %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO; # coroutines bound to extensions	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;
		162
76	our $EMERGENCY_POSITION;	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::"} };
77		177
78	#############################################################################	178	#############################################################################
79		179
80	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
81		181
…		…
88	=item $cf::RUNTIME	188	=item $cf::RUNTIME
89		189
90	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
91	every server tick.	191	every server tick.
92		192
93	=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
94		196
95	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		201
98	=item $cf::NOW	202	=item $cf::NOW
99		203
100	The time of the last (current) server tick.	204	The time of the last (current) server tick.
101		205
102	=item $cf::TICK	206	=item $cf::TICK
103		207
104	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
105		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
106	=item %cf::CFG	220	=item %cf::CFG
107		221
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	223	from wherever your confdir points to.
110		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
111	=back	243	=back
112		244
113	=cut	245	=cut
114		246
115	BEGIN {	247	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	248	my $msg = join "", @_;
118	utf8::encode $msg;
119		249
120	$msg .= "\n"	250	$msg .= "\n"
121	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
122		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
123	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
124	};	256	};
125	}	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	};
126		271
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		279
134	# 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
135	# within the Safe compartment.	281	# within the Safe compartment.
136	for my $pkg (qw(	282	for my $pkg (qw(
137	cf::global cf::attachable	283	cf::global cf::attachable
138	cf::object cf::object::player	284	cf::object cf::object::player
139	cf::client cf::player	285	cf::client cf::player
140	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
141	cf::map cf::party cf::region	288	cf::party cf::region
142	)) {	289	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	291	}
146		292
147	$Event::DIED = sub {	293	$EV::DIED = sub {
148	warn "error in event callback: @_";	294	warn "error in event callback: @_";
149	};	295	};
150		296
151	my %ext_pkg;	297	#############################################################################
152	my @exts;
153	my @hook;
154		298
155	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
156		300
157	=over 4	301	=over 4
158		302
159	=cut	303	=item dumpval $ref
160		304
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
162		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
163	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
164		327
165	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
166		329
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
175		331
176	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
177		333
178	=cut	334	=cut
179		335
180	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
182	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
183	}	353	}
184		354
185	=item cf::lock_wait $string	355	=item cf::lock_wait $string
186		356
187	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
188		358
189	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
190		360
191	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
192	a Coro::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,
193	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
194	returned.	364	returned.
195		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
196	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
198		371
199	=cut	372	=item $locked = cf::lock_active $string
200		373
201	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
202		379
203	sub lock_wait($) {	380	sub lock_wait($) {
204	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	382	}
212		383
213	sub lock_acquire($) {	384	sub lock_acquire($) {
214	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
215		387
216	# wait, to be sure we are not locked	388	sub lock_active($) {
217	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	390	}
226		391
227	sub freeze_mainloop {	392	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
229		394
230	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	396	}
232	$guard	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	$sig->wait;
233	}	471	}
234		472
235	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
236		474
237	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		480
243	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
244		482
245	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
246		484
247	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
250		489
251	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
254	fast or be very important.	493	fast or be very important.
…		…
257		496
258	sub sync_job(&) {	497	sub sync_job(&) {
259	my ($job) = @_;	498	my ($job) = @_;
260		499
261	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
262	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
264		505
265	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	507
267	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
268		509
269	my $busy = 1;	510	my $busy = 1;
270	my @res;	511	my @res;
271		512
272	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	515	@res = eval { $job->() };
274	warn $@ if $@;	516	warn $@ if $@;
275	undef $busy;	517	undef $busy;
276	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
277		519
278	while ($busy) {	520	while ($busy) {
279	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
280	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
281		531
282	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
283	} else {	533	} else {
284	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
285		535
…		…
287	}	537	}
288	}	538	}
289		539
290	=item $coro = cf::async_ext { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
291		541
292	Like async, but this coro is automcatially being canceled when the	542	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	543	extension calling this is being unloaded.
294		544
295	=cut	545	=cut
296		546
297	sub async_ext(&) {	547	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
306		556
307	$coro	557	$coro
308	}	558	}
309		559
310	sub write_runtime {	560	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		561
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
314	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.
315		566
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		568
320	aio_fsync $fh	569	sub fork_call(&@) {
321	and return;	570	my ($cb, @args) = @_;
322		571
323	close $fh	572	# we seemingly have to make a local copy of the whole thing,
324	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
325		575
326	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
327	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
328		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
329	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 => $type });
330	}	747	}
331		748
332	=back	749	=back
333		750
334	=cut	751	=cut
335		752
336	#############################################################################	753	#############################################################################
337		754
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
459		756
460	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
461	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")
462	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
463		760
464	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>
465	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
466	crossfire+).	763	Deliantra).
467		764
468	=over 4	765	=over 4
469		766
470	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
471		768
…		…
515	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
516		813
517	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
519		816
520	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
521	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.
522		819
523	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
524		821
525	=over 4	822	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	883	our @CB_MAP = ();
587		884
588	my %attachment;	885	my %attachment;
589		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
590	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
592		895
593	use sort 'stable';	896	use sort 'stable';
594		897
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
629		932
630	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		937
635	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	939	my $pkg = shift @arg;
637		940
638	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
668	}	971	}
669		972
670	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
671	} else {	974	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	976	}
674		977
675	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
676	}	979	}
677		980
…		…
679	if (ref $_[0]) {	982	if (ref $_[0]) {
680	_object_attach @_;	983	_object_attach @_;
681	} else {	984	} else {
682	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
683	}	986	}
		987	_recalc_want;
684	};	988	};
685		989
686	# all those should be optimised	990	# all those should be optimised
687	sub cf::attachable::detach {	991	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
692	reattach ($obj);	996	reattach ($obj);
693	} else {	997	} else {
694	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
695	}	999	}
		1000	_recalc_want;
696	};	1001	};
697		1002
698	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
700		1005
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	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?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# 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	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	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
770		1120
771	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
772		1122
773	@$registry = ();	1123	@$registry = ();
774		1124
…		…
789	cf::attachable->attach (	1139	cf::attachable->attach (
790	prio => -1000000,	1140	prio => -1000000,
791	on_instantiate => sub {	1141	on_instantiate => sub {
792	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
793		1143
794	$data = from_json $data;	1144	$data = decode_json $data;
795		1145
796	for (@$data) {	1146	for (@$data) {
797	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
798		1148
799	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1165	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
817		1167
818	sync_job {	1168	sync_job {
819	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
822		1173
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$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;
826	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
827	close $fh;	1181	aio_close $fh;
828		1182
829	if (@$objs) {	1183	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	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;
834	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
835	close $fh;	1192	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
837	}	1194	}
838	} else {	1195	} else {
839	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
840	}	1197	}
841		1198
842	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1203	} else {
844	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
845	}	1205	}
846	} else {	1206	} else {
847	aio_unlink $filename;	1207	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
849	}	1209	}
850	}	1210	};
851	}	1211	}
852		1212
853	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
855		1215
…		…
867	or return;	1227	or return;
868		1228
869	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
871	or return;	1231	or return;
		1232
872	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
873	}	1235	}
874		1236
		1237	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
877	return ($data, $av);	1241	($data, $av)
878	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
879		1249
880	#############################################################################	1250	#############################################################################
881	# command handling &c	1251	# command handling &c
882		1252
883	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1267	}
898		1268
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1270
901	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.
902		1276
903	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
904	called.	1278	called.
905		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
906	=cut	1291	=cut
907		1292
908	sub register_extcmd {	1293	sub register_extcmd {
909	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
910		1295
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
915	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
916		1306
917	cf::player->attach (	1307	cf::player->attach (
918	on_command => sub {	1308	on_command => sub {
919	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
920		1310
…		…
928	cf::override;	1318	cf::override;
929	},	1319	},
930	on_extcmd => sub {	1320	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
932		1322
933	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1324
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
941	} else {	1340	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1342	}
944		1343
945	cf::override;	1344	cf::override;
946	},	1345	},
947	);	1346	);
948		1347
949	sub register {	1348	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1349	sub cache_extensions {
956	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
957		1351
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1355	}
1008	}	1356	};
1009		1357
1010	# remove extcmds	1358	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1359	}
1024		1360
1025	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1026	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1366	next unless -r $path;
1028	eval {	1367
1029	load_extension $ext;	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;
1030	1	1424	}
1031	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1032	}	1430	};
1033	}	1431	}
1034		1432
1035	#############################################################################	1433	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1434
1038	*cf::mapsupport::on_clean = sub {	1435	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1436
1073	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1074		1438
1075	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1076		1440
1077	=cut	1441	=cut
1078		1442
1079	package cf::player;	1443	package cf::player;
1080		1444
		1445	use Coro::AIO;
		1446
1081	=head3 cf::player	1447	=head3 cf::player
1082		1448
1083	=over 4	1449	=over 4
1084		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
1085	=item cf::player::find $login	1465	=item cf::player::find $login
1086		1466
1087	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1088		1468
1089	=cut	1469	=cut
1090		1470
		1471	sub playerdir($) {
		1472	"$PLAYERDIR/"
		1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1474	}
		1475
1091	sub path($) {	1476	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1478
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1479	(playerdir $login) . "/playerdata"
1095	}	1480	}
1096		1481
1097	sub find_active($) {	1482	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1102		1487
1103	sub exists($) {	1488	sub exists($) {
1104	my ($login) = @_;	1489	my ($login) = @_;
1105		1490
1106	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1108	}	1493	}
1109		1494
1110	sub find($) {	1495	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1497	my $login = $_[0];
1113		1498
1114	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1115		1500
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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	}
1117	};	1519	}
1118	}	1520	}
1119		1521
1120	sub save($) {	1522	sub save($) {
1121	my ($pl) = @_;	1523	my ($pl) = @_;
1122		1524
…		…
1124		1526
1125	my $path = path $pl;	1527	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1528	my $guard = cf::lock_acquire "user_save:$path";
1127		1529
1128	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
		1531
		1532	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1130		1534
1131	Coro::cede;	1535	cf::get_slot 0.01;
		1536
1132	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1133	Coro::cede;	1538	cf::cede_to_tick;
1134	}	1539	}
1135		1540
1136	sub new($) {	1541	sub new($) {
1137	my ($login) = @_;	1542	my ($login) = @_;
1138		1543
…		…
1144	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1145		1550
1146	$self	1551	$self
1147	}	1552	}
1148		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
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1150		1678
1151	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1152		1680
1153	=cut	1681	=cut
1154		1682
1155	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1157		1685
1158	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1687	}
1162		1688
1163	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		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 $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1164		1729
1165	=back	1730	=back
1166
1167		1731
1168	=head3 cf::map	1732	=head3 cf::map
1169		1733
1170	=over 4	1734	=over 4
1171		1735
…		…
1174	package cf::map;	1738	package cf::map;
1175		1739
1176	use Fcntl;	1740	use Fcntl;
1177	use Coro::AIO;	1741	use Coro::AIO;
1178		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1179	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1181		1749
1182	sub generate_random_map {	1750	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184		1754
1185	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1756	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$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},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1199	}	1769	}
1200		1770
1201	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1202	# all maps in C++...
1203	sub change_all_map_light {
1204	my ($change) = @_;
1205		1772
1206	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1207	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1208	}	1775	default).
1209		1776
1210	sub try_load_header($) {	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 {
1211	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) = @_;
1212		1916
1213	utf8::encode $path;	1917	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1215	or return;	1919	or return;
1216		1920
1217	my $map = cf::map::new	1921	$self->_load_header ($f)
1218	or return;	1922	or return;
1219		1923
1220	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1222		1926
1223	$map->load_header ($path)	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
1224	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1225		1973
1226	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1227		1976
1228	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1229	}	1981	}
1230		1982
1231	sub find;	1983	sub find;
1232	sub find {	1984	sub find {
1233	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1234		1986
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		1988
1240	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242	$cf::MAP{$key} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1244		1991
1245	# do it the slow way	1992	$cf::MAP{$path} || do {
1246	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	1994	or return;
1264		1995
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1277		1997
1278	Coro::cede;	1998	$map->load_header
		1999	or return;
1279		2000
1280	if ($map->should_reset) {	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;
1281	$map->reset;	2006	$map->reset;
1282	undef $guard;
1283	$map = find $path	2007	return find $path;
1284	or return;
1285	}	2008	}
1286		2009
1287	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1288	}	2011	}
1289	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1290		2016
1291	sub load {	2017	sub load {
1292	my ($self) = @_;	2018	my ($self) = @_;
1293		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1294	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1296		2026
		2027	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2029
1299	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1300		2031
1301	$self->alloc;	2032	$self->alloc;
1302	$self->load_objects ($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)
1303	or return;	2040	or return;
1304		2041
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1306	if delete $self->{load_original};	2043	if delete $self->{load_original};
1307		2044
1308	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2046	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2049	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1313	}	2053	}
1314	}	2054	}
1315		2055
1316	Coro::cede;	2056	$f->resolve_delayed_derefs;
1317		2057
		2058	cf::cede_to_tick;
1318	# now do the right thing for maps	2059	# now do the right thing for maps
1319	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1330	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;
1331	$self->activate;	2070	$self->activate;
1332	}	2071	}
1333		2072
1334	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1335		2075
1336	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		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	$neigh->load;
		2117	}
1337	}	2118	}
1338		2119
1339	sub find_sync {	2120	sub find_sync {
1340	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1341		2122
1342	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1343	}	2124	}
1344		2125
1345	sub do_load_sync {	2126	sub do_load_sync {
1346	my ($map) = @_;	2127	my ($map) = @_;
1347		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1348	cf::sync_job { $map->load };	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;
		2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1349	}	2166	}
1350		2167
1351	sub save {	2168	sub save {
1352	my ($self) = @_;	2169	my ($self) = @_;
1353		2170
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2172
1356	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1357		2174
1358	return unless $self->dirty;	2175	return unless $self->dirty;
1359		2176
1360	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		2179
1363	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1364		2181
1365	return if $self->{deny_save};	2182	return if $self->{deny_save};
1366		2183
1367	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1368		2185
1369	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1370	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1371	};	2189	};
1372		2190
		2191	cf::get_slot 0.02;
		2192
1373	if ($uniq) {	2193	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	2196	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	2198	}
1379	}	2199	}
1380		2200
1381	sub swap_out {	2201	sub swap_out {
1382	my ($self) = @_;	2202	my ($self) = @_;
1383		2203
1384	# save first because save cedes	2204	# save first because save cedes
1385	$self->save;	2205	$self->save;
1386		2206
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2208
1389	return if $self->players;	2209	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1391	return if $self->{deny_save};	2211	return if $self->{deny_save};
1392		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1393	$self->clear;	2217	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2218	}
1396		2219
1397	sub reset_at {	2220	sub reset_at {
1398	my ($self) = @_;	2221	my ($self) = @_;
1399		2222
1400	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1403		2225
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2228
…		…
1411	my ($self) = @_;	2233	my ($self) = @_;
1412		2234
1413	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1414	}	2236	}
1415		2237
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2238	sub reset {
1438	my ($self) = @_;	2239	my ($self) = @_;
1439		2240
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2242
1442	return if $self->players;	2243	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2244
1445	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	}
1446		2256
1447	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1448		2258
		2259	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1450		2262
1451	$self->unlink_save;	2263	$self->unlink_save;
1452	$self->destroy;	2264	$self->destroy;
1453	}	2265	}
1454		2266
1455	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1456		2268
1457	sub nuke {	2269	sub nuke {
1458	my ($self) = @_;	2270	my ($self) = @_;
1459		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};
1460	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1463	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1464	}	2289	}
1465		2290
1466	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2292
1469	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1471	}	2299	[
1472		2300	map {
1473	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1474	}	2307	}
1475		2308
1476	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2310
1479	warn "enter emergency map save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1480		2313
1481	cf::sync_job {	2314	=cut
1482	warn "begin emergency map save\n";	2315
1483	$_->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	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles>). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	next if $dir eq "/styles";
		2361
		2362	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2363	or return;
		2364
		2365	for (@$files) {
		2366	s/\.map$// or next;
		2367	utf8::decode $_;
		2368	push @maps, "$dir/$_";
		2369	}
		2370
		2371	push @dirs, map "$dir/$_", @$dirs;
1484	};	2372	}
1485		2373
1486	warn "end emergency map save\n";	2374	\@maps
		2375	}
		2376
		2377	=back
		2378
		2379	=head3 cf::object
		2380
		2381	=cut
		2382
		2383	package cf::object;
		2384
		2385	=over 4
		2386
		2387	=item $ob->inv_recursive
		2388
		2389	Returns the inventory of the object I<and> their inventories, recursively,
		2390	but I<not> the object itself.
		2391
		2392	=cut
		2393
		2394	sub inv_recursive_;
		2395	sub inv_recursive_ {
		2396	map { $_, inv_recursive_ $_->inv } @_
		2397	}
		2398
		2399	sub inv_recursive {
		2400	inv_recursive_ inv $_[0]
		2401	}
		2402
		2403	=item $ref = $ob->ref
		2404
		2405	Creates and returns a persistent reference to an object that can be stored as a string.
		2406
		2407	=item $ob = cf::object::deref ($refstring)
		2408
		2409	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2410	even if the object actually exists. May block.
		2411
		2412	=cut
		2413
		2414	sub deref {
		2415	my ($ref) = @_;
		2416
		2417	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2418	my ($uuid, $name) = ($1, $2);
		2419	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2420	or return;
		2421	$pl->ob->uuid eq $uuid
		2422	or return;
		2423
		2424	$pl->ob
		2425	} else {
		2426	warn "$ref: cannot resolve object reference\n";
		2427	undef
		2428	}
1487	}	2429	}
1488		2430
1489	package cf;	2431	package cf;
1490		2432
1491	=back	2433	=back
1492
1493		2434
1494	=head3 cf::object::player	2435	=head3 cf::object::player
1495		2436
1496	=over 4	2437	=over 4
1497		2438
…		…
1500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2441	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1501	can be C<undef>. Does the right thing when the player is currently in a	2442	can be C<undef>. Does the right thing when the player is currently in a
1502	dialogue with the given NPC character.	2443	dialogue with the given NPC character.
1503		2444
1504	=cut	2445	=cut
		2446
		2447	our $SAY_CHANNEL = {
		2448	id => "say",
		2449	title => "Map",
		2450	reply => "say ",
		2451	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2452	};
		2453
		2454	our $CHAT_CHANNEL = {
		2455	id => "chat",
		2456	title => "Chat",
		2457	reply => "chat ",
		2458	tooltip => "Player chat and shouts, global to the server.",
		2459	};
1505		2460
1506	# rough implementation of a future "reply" method that works	2461	# rough implementation of a future "reply" method that works
1507	# with dialog boxes.	2462	# with dialog boxes.
1508	#TODO: the first argument must go, split into a $npc->reply_to ( method	2463	#TODO: the first argument must go, split into a $npc->reply_to ( method
1509	sub cf::object::player::reply($$$;$) {	2464	sub cf::object::player::reply($$$;$) {
…		…
1511		2466
1512	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2467	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513		2468
1514	if ($self->{record_replies}) {	2469	if ($self->{record_replies}) {
1515	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2470	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2471
1516	} else {	2472	} else {
		2473	my $pl = $self->contr;
		2474
		2475	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2476	my $dialog = $pl->{npc_dialog};
		2477	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2478
		2479	} else {
1517	$msg = $npc->name . " says: $msg" if $npc;	2480	$msg = $npc->name . " says: $msg" if $npc;
1518	$self->message ($msg, $flags);	2481	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2482	}
1519	}	2483	}
		2484	}
		2485
		2486	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2487
		2488	=cut
		2489
		2490	sub cf::object::send_msg {
		2491	my $pl = shift->contr
		2492	or return;
		2493	$pl->send_msg (@_);
1520	}	2494	}
1521		2495
1522	=item $player_object->may ("access")	2496	=item $player_object->may ("access")
1523		2497
1524	Returns wether the given player is authorized to access resource "access"	2498	Returns wether the given player is authorized to access resource "access"
…		…
1537		2511
1538	=item $player_object->enter_link	2512	=item $player_object->enter_link
1539		2513
1540	Freezes the player and moves him/her to a special map (C<{link}>).	2514	Freezes the player and moves him/her to a special map (C<{link}>).
1541		2515
1542	The player should be reaosnably safe there for short amounts of time. You	2516	The player should be reasonably safe there for short amounts of time (e.g.
1543	I<MUST> call C<leave_link> as soon as possible, though.	2517	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2518	though, as the palyer cannot control the character while it is on the link
		2519	map.
		2520
		2521	Will never block.
1544		2522
1545	=item $player_object->leave_link ($map, $x, $y)	2523	=item $player_object->leave_link ($map, $x, $y)
1546		2524
1547	Moves the player out of the specila link map onto the given map. If the	2525	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	2526	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	2527	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	2528	fails, to the emergency map position.
1551		2529
1552	Might block.	2530	Might block.
1553		2531
1554	=cut	2532	=cut
		2533
		2534	sub link_map {
		2535	unless ($LINK_MAP) {
		2536	$LINK_MAP = cf::map::find "{link}"
		2537	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2538	$LINK_MAP->load;
		2539	}
		2540
		2541	$LINK_MAP
		2542	}
1555		2543
1556	sub cf::object::player::enter_link {	2544	sub cf::object::player::enter_link {
1557	my ($self) = @_;	2545	my ($self) = @_;
1558		2546
1559	$self->deactivate_recursive;	2547	$self->deactivate_recursive;
1560		2548
1561	return if $self->map == $LINK_MAP;	2549	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		2550
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2551	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	2552	if $self->map && $self->map->{path} ne "{link}";
1565		2553
1566	$self->enter_map ($LINK_MAP, 20, 20);	2554	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	2555	}
1568		2556
1569	sub cf::object::player::leave_link {	2557	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	2558	my ($self, $map, $x, $y) = @_;
		2559
		2560	return unless $self->contr->active;
1571		2561
1572	my $link_pos = delete $self->{_link_pos};	2562	my $link_pos = delete $self->{_link_pos};
1573		2563
1574	unless ($map) {	2564	unless ($map) {
1575	# restore original map position	2565	# restore original map position
…		…
1589	# use -1 or undef as default coordinates, not 0, 0	2579	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	2580	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	2581	if $x <=0 && $y <= 0;
1592		2582
1593	$map->load;	2583	$map->load;
		2584	$map->load_neighbours;
1594		2585
1595	return unless $self->contr->active;	2586	return unless $self->contr->active;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2589	$self->enter_map ($map, $x, $y);
		2590
		2591	# only activate afterwards, to support waiting in hooks
1596	$self->activate_recursive;	2592	$self->activate_recursive;
1597	$self->enter_map ($map, $x, $y);
1598	}	2593	}
1599		2594
1600	cf::player->attach (	2595	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1601	on_logout => sub {
1602	my ($pl) = @_;
1603		2596
1604	# abort map switching before logout	2597	Moves the player to the given map-path and coordinates by first freezing
1605	if ($pl->ob->{_link_pos}) {	2598	her, loading and preparing them map, calling the provided $check callback
1606	cf::sync_job {	2599	that has to return the map if sucecssful, and then unfreezes the player on
1607	$pl->ob->leave_link	2600	the new (success) or old (failed) map position. In either case, $done will
1608	};	2601	be called at the end of this process.
1609	}
1610	},
1611	on_login => sub {
1612	my ($pl) = @_;
1613		2602
1614	# try to abort aborted map switching on player login :)	2603	Note that $check will be called with a potentially non-loaded map, so if
1615	# should happen only on crashes	2604	it needs a loaded map it has to call C<< ->load >>.
1616	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;
1618	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);
1625	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;
1627	})->prio (2);
1628	}
1629	},
1630	);
1631		2605
1632	=item $player_object->goto ($path, $x, $y)
1633
1634	=cut	2606	=cut
		2607
		2608	our $GOTOGEN;
1635		2609
1636	sub cf::object::player::goto {	2610	sub cf::object::player::goto {
1637	my ($self, $path, $x, $y) = @_;	2611	my ($self, $path, $x, $y, $check, $done) = @_;
		2612
		2613	# do generation counting so two concurrent goto's will be executed in-order
		2614	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638		2615
1639	$self->enter_link;	2616	$self->enter_link;
1640		2617
1641	(async {	2618	(async {
1642	$path = new cf::path $path;	2619	$Coro::current->{desc} = "player::goto $path $x $y";
1643		2620
1644	my $map = cf::map::find $path->as_string;	2621	# *tag paths override both path and x|y
		2622	if ($path =~ /^\*(.*)$/) {
		2623	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2624	my $ob = $obs[rand @obs];
		2625
		2626	# see if we actually can go there
		2627	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2628	$ob = $obs[rand @obs];
		2629	} else {
		2630	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632	# else put us there anyways for now #d#
		2633
		2634	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2635	} else {
		2636	($path, $x, $y) = (undef, undef, undef);
		2637	}
		2638	}
		2639
		2640	my $map = eval {
		2641	my $map = defined $path ? cf::map::find $path : undef;
		2642
		2643	if ($map) {
1645	$map = $map->customise_for ($self) if $map;	2644	$map = $map->customise_for ($self);
1646		2645	$map = $check->($map) if $check && $map;
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	2646	} else {
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2647	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
1651		2649
		2650	$map
		2651	};
		2652
		2653	if ($@) {
		2654	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2655	LOG llevError | logBacktrace, Carp::longmess $@;
		2656	}
		2657
		2658	if ($gen == $self->{_goto_generation}) {
		2659	delete $self->{_goto_generation};
1652	$self->leave_link ($map, $x, $y);	2660	$self->leave_link ($map, $x, $y);
		2661	}
		2662
		2663	$done->() if $done;
1653	})->prio (1);	2664	})->prio (1);
1654	}	2665	}
1655		2666
1656	=item $player_object->enter_exit ($exit_object)	2667	=item $player_object->enter_exit ($exit_object)
1657		2668
…		…
1659		2670
1660	sub parse_random_map_params {	2671	sub parse_random_map_params {
1661	my ($spec) = @_;	2672	my ($spec) = @_;
1662		2673
1663	my $rmp = { # defaults	2674	my $rmp = { # defaults
1664	xsize => 10,	2675	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	2676	ysize => (cf::rndm 15, 40),
		2677	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2678	#layout => string,
1666	};	2679	};
1667		2680
1668	for (split /\n/, $spec) {	2681	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	2682	my ($k, $v) = split /\s+/, $_, 2;
1670		2683
…		…
1682	# that depends on the exit object	2695	# that depends on the exit object
1683		2696
1684	my $rmp = parse_random_map_params $exit->msg;	2697	my $rmp = parse_random_map_params $exit->msg;
1685		2698
1686	if ($exit->map) {	2699	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2700	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2701	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2702	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2703	$rmp->{origin_y} = $exit->y;
		2704
		2705	$exit->map->touch;
1691	}	2706	}
1692		2707
1693	$rmp->{random_seed} ||= $exit->random_seed;	2708	$rmp->{random_seed} ||= $exit->random_seed;
1694		2709
1695	my $data = cf::to_json $rmp;	2710	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1696	my $md5 = Digest::MD5::md5_hex $data;	2711	my $md5 = Digest::MD5::md5_hex $data;
		2712	my $meta = "$RANDOMDIR/$md5.meta";
1697		2713
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2714	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	2715	aio_write $fh, 0, (length $data), $data, 0;
		2716	undef $fh;
		2717	aio_rename "$meta~", $meta;
1700		2718
		2719	my $slaying = "?random/$md5";
		2720
		2721	if ($exit->valid) {
1701	$exit->slaying ("?random/$md5");	2722	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2723	$exit->msg (undef);
		2724	}
1703	}	2725	}
1704	}	2726	}
1705		2727
1706	sub cf::object::player::enter_exit {	2728	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2729	my ($self, $exit) = @_;
…		…
1709	return unless $self->type == cf::PLAYER;	2731	return unless $self->type == cf::PLAYER;
1710		2732
1711	$self->enter_link;	2733	$self->enter_link;
1712		2734
1713	(async {	2735	(async {
1714	$self->deactivate_recursive; # just to be sure	2736	$Coro::current->{desc} = "enter_exit";
		2737
1715	unless (eval {	2738	unless (eval {
		2739	$self->deactivate_recursive; # just to be sure
		2740
		2741	# random map handling
		2742	{
		2743	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2744
1716	prepare_random_map $exit	2745	prepare_random_map $exit
1717	if $exit->slaying eq "/!";	2746	if $exit->slaying eq "/!";
		2747	}
1718		2748
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2749	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2750	my $x = $exit->stats->hp;
		2751	my $y = $exit->stats->sp;
1721		2752
		2753	$self->goto ($map, $x, $y);
		2754
		2755	# if exit is damned, update players death & WoR home-position
		2756	$self->contr->savebed ($map, $x, $y)
		2757	if $exit->flag (cf::FLAG_DAMNED);
		2758
1722	1;	2759	1
1723	}) {	2760	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2761	$self->message ("Something went wrong deep within the deliantra server. "
1725	. "I'll try to bring you back to the map you were before. "	2762	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	2763	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2764	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2765
1729	warn "ERROR in enter_exit: $@";	2766	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2767	$self->leave_link;
1731	}	2768	}
1732	})->prio (1);	2769	})->prio (1);
…		…
1745		2782
1746	sub cf::client::send_drawinfo {	2783	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2784	my ($self, $text, $flags) = @_;
1748		2785
1749	utf8::encode $text;	2786	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2787	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2788	}
1752		2789
		2790	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2791
		2792	Send a drawinfo or msg packet to the client, formatting the msg for the
		2793	client if neccessary. C<$type> should be a string identifying the type of
		2794	the message, with C<log> being the default. If C<$color> is negative, suppress
		2795	the message unless the client supports the msg packet.
		2796
		2797	=cut
		2798
		2799	# non-persistent channels (usually the info channel)
		2800	our %CHANNEL = (
		2801	"c/motd" => {
		2802	id => "infobox",
		2803	title => "MOTD",
		2804	reply => undef,
		2805	tooltip => "The message of the day",
		2806	},
		2807	"c/identify" => {
		2808	id => "infobox",
		2809	title => "Identify",
		2810	reply => undef,
		2811	tooltip => "Items recently identified",
		2812	},
		2813	"c/examine" => {
		2814	id => "infobox",
		2815	title => "Examine",
		2816	reply => undef,
		2817	tooltip => "Signs and other items you examined",
		2818	},
		2819	"c/shopinfo" => {
		2820	id => "infobox",
		2821	title => "Shop Info",
		2822	reply => undef,
		2823	tooltip => "What your bargaining skill tells you about the shop",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/statistics" => {
		2850	id => "infobox",
		2851	title => "Statistics",
		2852	reply => undef,
		2853	tooltip => "Shows your primary statistics",
		2854	},
		2855	"c/skills" => {
		2856	id => "infobox",
		2857	title => "Skills",
		2858	reply => undef,
		2859	tooltip => "Shows your experience per skill and item power",
		2860	},
		2861	"c/shopitems" => {
		2862	id => "infobox",
		2863	title => "Shop Items",
		2864	reply => undef,
		2865	tooltip => "Shows the items currently for sale in this shop",
		2866	},
		2867	"c/resistances" => {
		2868	id => "infobox",
		2869	title => "Resistances",
		2870	reply => undef,
		2871	tooltip => "Shows your resistances",
		2872	},
		2873	"c/pets" => {
		2874	id => "infobox",
		2875	title => "Pets",
		2876	reply => undef,
		2877	tooltip => "Shows information abotu your pets/a specific pet",
		2878	},
		2879	"c/perceiveself" => {
		2880	id => "infobox",
		2881	title => "Perceive Self",
		2882	reply => undef,
		2883	tooltip => "You gained detailed knowledge about yourself",
		2884	},
		2885	"c/uptime" => {
		2886	id => "infobox",
		2887	title => "Uptime",
		2888	reply => undef,
		2889	tooltip => "How long the server has been running since last restart",
		2890	},
		2891	"c/mapinfo" => {
		2892	id => "infobox",
		2893	title => "Map Info",
		2894	reply => undef,
		2895	tooltip => "Information related to the maps",
		2896	},
		2897	"c/party" => {
		2898	id => "party",
		2899	title => "Party",
		2900	reply => "gsay ",
		2901	tooltip => "Messages and chat related to your party",
		2902	},
		2903	"c/death" => {
		2904	id => "death",
		2905	title => "Death",
		2906	reply => undef,
		2907	tooltip => "Reason for and more info about your most recent death",
		2908	},
		2909	"c/say" => $SAY_CHANNEL,
		2910	"c/chat" => $CHAT_CHANNEL,
		2911	);
		2912
		2913	sub cf::client::send_msg {
		2914	my ($self, $channel, $msg, $color, @extra) = @_;
		2915
		2916	$msg = $self->pl->expand_cfpod ($msg)
		2917	unless $color & cf::NDI_VERBATIM;
		2918
		2919	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2920
		2921	# check predefined channels, for the benefit of C
		2922	if ($CHANNEL{$channel}) {
		2923	$channel = $CHANNEL{$channel};
		2924
		2925	$self->ext_msg (channel_info => $channel);
		2926	$channel = $channel->{id};
		2927
		2928	} elsif (ref $channel) {
		2929	# send meta info to client, if not yet sent
		2930	unless (exists $self->{channel}{$channel->{id}}) {
		2931	$self->{channel}{$channel->{id}} = $channel;
		2932	$self->ext_msg (channel_info => $channel);
		2933	}
		2934
		2935	$channel = $channel->{id};
		2936	}
		2937
		2938	return unless @extra || length $msg;
		2939
		2940	# default colour, mask it out
		2941	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2942	if $color & cf::NDI_DEF;
		2943
		2944	my $pkt = "msg "
		2945	. $self->{json_coder}->encode (
		2946	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2947	);
		2948
		2949	# try lzf for large packets
		2950	$pkt = "lzf " . Compress::LZF::compress $pkt
		2951	if 1024 <= length $pkt and $self->{can_lzf};
		2952
		2953	# split very large packets
		2954	if (8192 < length $pkt and $self->{can_lzf}) {
		2955	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2956	$pkt = "frag";
		2957	}
		2958
		2959	$self->send_packet ($pkt);
		2960	}
		2961
		2962	=item $client->ext_msg ($type, @msg)
		2963
		2964	Sends an ext event to the client.
		2965
		2966	=cut
		2967
		2968	sub cf::client::ext_msg($$@) {
		2969	my ($self, $type, @msg) = @_;
		2970
		2971	if ($self->extcmd == 2) {
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2973	} elsif ($self->extcmd == 1) { # TODO: remove
		2974	push @msg, msgtype => "event_$type";
		2975	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2976	}
		2977	}
		2978
		2979	=item $client->ext_reply ($msgid, @msg)
		2980
		2981	Sends an ext reply to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_reply($$@) {
		2986	my ($self, $id, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2990	} elsif ($self->extcmd == 1) {
		2991	#TODO: version 1, remove
		2992	unshift @msg, msgtype => "reply", msgid => $id;
		2993	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2994	}
		2995	}
1753		2996
1754	=item $success = $client->query ($flags, "text", \&cb)	2997	=item $success = $client->query ($flags, "text", \&cb)
1755		2998
1756	Queues a query to the client, calling the given callback with	2999	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3000	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3001	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759		3002
1760	Queries can fail, so check the return code. Or don't, as queries will become	3003	Queries can fail, so check the return code. Or don't, as queries will
1761	reliable at some point in the future.	3004	become reliable at some point in the future.
1762		3005
1763	=cut	3006	=cut
1764		3007
1765	sub cf::client::query {	3008	sub cf::client::query {
1766	my ($self, $flags, $text, $cb) = @_;	3009	my ($self, $flags, $text, $cb) = @_;
…		…
1774	utf8::encode $text;	3017	utf8::encode $text;
1775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3018	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776		3019
1777	$self->send_packet ($self->{query_queue}[0][0])	3020	$self->send_packet ($self->{query_queue}[0][0])
1778	if @{ $self->{query_queue} } == 1;	3021	if @{ $self->{query_queue} } == 1;
		3022
		3023	1
1779	}	3024	}
1780		3025
1781	cf::client->attach (	3026	cf::client->attach (
		3027	on_connect => sub {
		3028	my ($ns) = @_;
		3029
		3030	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3031	},
1782	on_reply => sub {	3032	on_reply => sub {
1783	my ($ns, $msg) = @_;	3033	my ($ns, $msg) = @_;
1784		3034
1785	# this weird shuffling is so that direct followup queries	3035	# this weird shuffling is so that direct followup queries
1786	# get handled first	3036	# get handled first
1787	my $queue = delete $ns->{query_queue}	3037	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	3038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		3039
1790	(shift @$queue)->[1]->($msg);	3040	(shift @$queue)->[1]->($msg);
		3041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		3042
1792	push @{ $ns->{query_queue} }, @$queue;	3043	push @{ $ns->{query_queue} }, @$queue;
1793		3044
1794	if (@{ $ns->{query_queue} } == @$queue) {	3045	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	3046	if (@$queue) {
…		…
1797	} else {	3048	} else {
1798	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799	}	3050	}
1800	}	3051	}
1801	},	3052	},
		3053	on_exticmd => sub {
		3054	my ($ns, $buf) = @_;
		3055
		3056	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3057
		3058	if (ref $msg) {
		3059	my ($type, $reply, @payload) =
		3060	"ARRAY" eq ref $msg
		3061	? @$msg
		3062	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3063
		3064	my @reply;
		3065
		3066	if (my $cb = $EXTICMD{$type}) {
		3067	@reply = $cb->($ns, @payload);
		3068	}
		3069
		3070	$ns->ext_reply ($reply, @reply)
		3071	if $reply;
		3072
		3073	} else {
		3074	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3075	}
		3076
		3077	cf::override;
		3078	},
1802	);	3079	);
1803		3080
1804	=item $client->async (\&cb)	3081	=item $client->async (\&cb)
1805		3082
1806	Create a new coroutine, running the specified callback. The coroutine will	3083	Create a new coroutine, running the specified callback. The coroutine will
…		…
1847	our $safe = new Safe "safe";	3124	our $safe = new Safe "safe";
1848	our $safe_hole = new Safe::Hole;	3125	our $safe_hole = new Safe::Hole;
1849		3126
1850	$SIG{FPE} = 'IGNORE';	3127	$SIG{FPE} = 'IGNORE';
1851		3128
1852	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3129	$safe->permit_only (Opcode::opset qw(
		3130	:base_core :base_mem :base_orig :base_math
		3131	grepstart grepwhile mapstart mapwhile
		3132	sort time
		3133	));
1853		3134
1854	# here we export the classes and methods available to script code	3135	# here we export the classes and methods available to script code
1855		3136
1856	=pod	3137	=pod
1857		3138
1858	The following fucntions and emthods are available within a safe environment:	3139	The following functions and methods are available within a safe environment:
1859		3140
1860	cf::object contr pay_amount pay_player map	3141	cf::object
		3142	contr pay_amount pay_player map x y force_find force_add destroy
		3143	insert remove name archname title slaying race decrease split
		3144	value
		3145
1861	cf::object::player player	3146	cf::object::player
1862	cf::player peaceful	3147	player
1863	cf::map trigger	3148
		3149	cf::player
		3150	peaceful
		3151
		3152	cf::map
		3153	trigger
1864		3154
1865	=cut	3155	=cut
1866		3156
1867	for (	3157	for (
1868	["cf::object" => qw(contr pay_amount pay_player map)],	3158	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3159	insert remove inv nrof name archname title slaying race
		3160	decrease split destroy change_exp value msg lore send_msg)],
1869	["cf::object::player" => qw(player)],	3161	["cf::object::player" => qw(player)],
1870	["cf::player" => qw(peaceful)],	3162	["cf::player" => qw(peaceful send_msg)],
1871	["cf::map" => qw(trigger)],	3163	["cf::map" => qw(trigger)],
1872	) {	3164	) {
1873	no strict 'refs';	3165	no strict 'refs';
1874	my ($pkg, @funs) = @$_;	3166	my ($pkg, @funs) = @$_;
1875	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3167	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1892	my ($code, %vars) = @_;	3184	my ($code, %vars) = @_;
1893		3185
1894	my $qcode = $code;	3186	my $qcode = $code;
1895	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3187	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1896	$qcode =~ s/\n/\\n/g;	3188	$qcode =~ s/\n/\\n/g;
		3189
		3190	%vars = (_dummy => 0) unless %vars;
1897		3191
1898	local $_;	3192	local $_;
1899	local @safe::cf::_safe_eval_args = values %vars;	3193	local @safe::cf::_safe_eval_args = values %vars;
1900		3194
1901	my $eval =	3195	my $eval =
…		…
1944	=back	3238	=back
1945		3239
1946	=cut	3240	=cut
1947		3241
1948	#############################################################################	3242	#############################################################################
		3243	# the server's init and main functions
1949		3244
1950	=head2 EXTENSION DATABASE SUPPORT	3245	sub load_facedata($) {
		3246	my ($path) = @_;
1951		3247
1952	Crossfire maintains a very simple database for extension use. It can	3248	# HACK to clear player env face cache, we need some signal framework
1953	currently store anything that can be serialised using Storable, which	3249	# for this (global event?)
1954	excludes objects.	3250	%ext::player_env::MUSIC_FACE_CACHE = ();
1955		3251
1956	The parameter C<$family> should best start with the name of the extension	3252	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1957	using it, it should be unique.
1958		3253
1959	=over 4	3254	warn "loading facedata from $path\n";
1960		3255
1961	=item $hashref = cf::db_get $family	3256	my $facedata;
		3257	0 < aio_load $path, $facedata
		3258	or die "$path: $!";
1962		3259
1963	Return a hashref for use by the extension C<$family>, which can be	3260	$facedata = Coro::Storable::thaw $facedata;
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966		3261
1967	=item $value = cf::db_get $family => $key	3262	$facedata->{version} == 2
		3263	or cf::cleanup "$path: version mismatch, cannot proceed.";
1968		3264
1969	Returns a single value from the database	3265	# patch in the exptable
1970		3266	$facedata->{resource}{"res/exp_table"} = {
1971	=item cf::db_put $family => $hashref	3267	type => FT_RSRC,
1972		3268	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1973	Stores the given family hashref into the database. Updates are delayed, if
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1975
1976	=item cf::db_put $family => $key => $value
1977
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988
1989	=cut
1990
1991	our $DB;
1992
1993	{
1994	my $path = cf::localdir . "/database.pst";
1995
1996	sub db_load() {
1997	$DB = stat $path ? Storable::retrieve $path : { };
1998	}
1999
2000	my $pid;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	3269	};
		3270	cf::cede_to_tick;
2022		3271
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}	3272	{
		3273	my $faces = $facedata->{faceinfo};
2027		3274
2028	sub db_get($;$) {	3275	while (my ($face, $info) = each %$faces) {
2029	@_ >= 2	3276	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		3277
2034	sub db_put($$;$) {	3278	cf::face::set_visibility $idx, $info->{visibility};
2035	if (@_ >= 3) {	3279	cf::face::set_magicmap $idx, $info->{magicmap};
2036	$DB->{$_[0]}{$_[1]} = $_[2];	3280	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2037	} else {	3281	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		3282
2043	cf::global->attach (	3283	cf::cede_to_tick;
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	3284	}
2048	);
2049	}
2050		3285
2051	#############################################################################	3286	while (my ($face, $info) = each %$faces) {
2052	# the server's main()	3287	next unless $info->{smooth};
2053		3288
2054	sub cfg_load {	3289	my $idx = cf::face::find $face
		3290	or next;
		3291
		3292	if (my $smooth = cf::face::find $info->{smooth}) {
		3293	cf::face::set_smooth $idx, $smooth;
		3294	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3295	} else {
		3296	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	{
		3304	my $anims = $facedata->{animinfo};
		3305
		3306	while (my ($anim, $info) = each %$anims) {
		3307	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3308	cf::cede_to_tick;
		3309	}
		3310
		3311	cf::anim::invalidate_all; # d'oh
		3312	}
		3313
		3314	{
		3315	# TODO: for gcfclient pleasure, we should give resources
		3316	# that gcfclient doesn't grok a >10000 face index.
		3317	my $res = $facedata->{resource};
		3318
		3319	while (my ($name, $info) = each %$res) {
		3320	if (defined $info->{type}) {
		3321	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3322	my $data;
		3323
		3324	if ($info->{type} & 1) {
		3325	# prepend meta info
		3326
		3327	my $meta = $enc->encode ({
		3328	name => $name,
		3329	%{ $info->{meta} || {} },
		3330	});
		3331
		3332	$data = pack "(w/a*)*", $meta, $info->{data};
		3333	} else {
		3334	$data = $info->{data};
		3335	}
		3336
		3337	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3338	cf::face::set_type $idx, $info->{type};
		3339	} else {
		3340	$RESOURCE{$name} = $info;
		3341	}
		3342
		3343	cf::cede_to_tick;
		3344	}
		3345	}
		3346
		3347	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3348
		3349	1
		3350	}
		3351
		3352	cf::global->attach (on_resource_update => sub {
		3353	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3354	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3355
		3356	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3357	my $sound = $soundconf->{compat}[$_]
		3358	or next;
		3359
		3360	my $face = cf::face::find "sound/$sound->[1]";
		3361	cf::sound::set $sound->[0] => $face;
		3362	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3363	}
		3364
		3365	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3366	my $face = cf::face::find "sound/$v";
		3367	cf::sound::set $k => $face;
		3368	}
		3369	}
		3370	});
		3371
		3372	register_exticmd fx_want => sub {
		3373	my ($ns, $want) = @_;
		3374
		3375	while (my ($k, $v) = each %$want) {
		3376	$ns->fx_want ($k, $v);
		3377	}
		3378	};
		3379
		3380	sub load_resource_file($) {
		3381	my $guard = lock_acquire "load_resource_file";
		3382
		3383	my $status = load_resource_file_ $_[0];
		3384	get_slot 0.1, 100;
		3385	cf::arch::commit_load;
		3386
		3387	$status
		3388	}
		3389
		3390	sub reload_regions {
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	load_resource_file "$MAPDIR/regions"
		3396	or die "unable to load regions file\n";
		3397
		3398	for (cf::region::list) {
		3399	$_->{match} = qr/$_->{match}/
		3400	if exists $_->{match};
		3401	}
		3402	}
		3403
		3404	sub reload_facedata {
		3405	load_facedata "$DATADIR/facedata"
		3406	or die "unable to load facedata\n";
		3407	}
		3408
		3409	sub reload_archetypes {
		3410	load_resource_file "$DATADIR/archetypes"
		3411	or die "unable to load archetypes\n";
		3412	}
		3413
		3414	sub reload_treasures {
		3415	load_resource_file "$DATADIR/treasures"
		3416	or die "unable to load treasurelists\n";
		3417	}
		3418
		3419	sub reload_resources {
		3420	warn "reloading resource files...\n";
		3421
		3422	reload_facedata;
		3423	reload_archetypes;
		3424	reload_regions;
		3425	reload_treasures;
		3426
		3427	warn "finished reloading resource files\n";
		3428	}
		3429
		3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
2055	open my $fh, "<:utf8", cf::confdir . "/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	3434	or return;
2057		3435
2058	local $/;	3436	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
2060		3438
2061	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2062		3440
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		3443
2066	if (exists $CFG{mlockall}) {	3444	if (exists $CFG{mlockall}) {
2067	eval {	3445	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	3448	};
2071	warn $@ if $@;	3449	warn $@ if $@;
2072	}	3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
2073	}	3481	}
2074		3482
2075	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
2076	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079	async { Event::one_event };	3501	(async {
		3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3503	EV::loop EV::LOOP_ONESHOT;
		3504	})->prio (Coro::PRIO_MAX);
2080	};	3505	};
2081		3506
2082	cfg_load;	3507	evthread_start IO::AIO::poll_fileno;
2083	db_load;	3508
		3509	cf::sync_job {
		3510	reload_resources;
		3511	reload_config;
		3512	db_init;
		3513
		3514	cf::load_settings;
		3515	cf::load_materials;
		3516	cf::init_uuid;
		3517	cf::init_signals;
		3518	cf::init_commands;
		3519	cf::init_skills;
		3520
		3521	cf::init_beforeplay;
		3522
		3523	atomic;
		3524
2084	load_extensions;	3525	load_extensions;
2085	Event::loop;	3526
		3527	utime time, time, $RUNTIMEFILE;
		3528
		3529	# no (long-running) fork's whatsoever before this point(!)
		3530	use POSIX ();
		3531	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3532
		3533	(pop @POST_INIT)->(0) while @POST_INIT;
		3534	};
		3535
		3536	main_loop;
2086	}	3537	}
2087		3538
2088	#############################################################################	3539	#############################################################################
2089	# initialisation	3540	# initialisation and cleanup
2090		3541
		3542	# install some emergency cleanup handlers
		3543	BEGIN {
		3544	our %SIGWATCHER = ();
		3545	for my $signal (qw(INT HUP TERM)) {
		3546	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3547	cf::cleanup "SIG$signal";
		3548	};
		3549	}
		3550	}
		3551
		3552	sub write_runtime_sync {
		3553	# first touch the runtime file to show we are still running:
		3554	# the fsync below can take a very very long time.
		3555
		3556	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3557
		3558	my $guard = cf::lock_acquire "write_runtime";
		3559
		3560	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3561	or return;
		3562
		3563	my $value = $cf::RUNTIME + 90 + 10;
		3564	# 10 is the runtime save interval, for a monotonic clock
		3565	# 60 allows for the watchdog to kill the server.
		3566
		3567	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3568	and return;
		3569
		3570	# always fsync - this file is important
		3571	aio_fsync $fh
		3572	and return;
		3573
		3574	# touch it again to show we are up-to-date
		3575	aio_utime $fh, undef, undef;
		3576
		3577	close $fh
		3578	or return;
		3579
		3580	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3581	and return;
		3582
		3583	warn "runtime file written.\n";
		3584
		3585	1
		3586	}
		3587
		3588	our $uuid_lock;
		3589	our $uuid_skip;
		3590
		3591	sub write_uuid_sync($) {
		3592	$uuid_skip ||= $_[0];
		3593
		3594	return if $uuid_lock;
		3595	local $uuid_lock = 1;
		3596
		3597	my $uuid = "$LOCALDIR/uuid";
		3598
		3599	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3600	or return;
		3601
		3602	my $value = uuid_seq uuid_cur;
		3603
		3604	unless ($value) {
		3605	warn "cowardly refusing to write zero uuid value!\n";
		3606	return;
		3607	}
		3608
		3609	my $value = uuid_str $value + $uuid_skip;
		3610	$uuid_skip = 0;
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	close $fh
		3620	or return;
		3621
		3622	aio_rename "$uuid~", $uuid
		3623	and return;
		3624
		3625	warn "uuid file written ($value).\n";
		3626
		3627	1
		3628
		3629	}
		3630
		3631	sub write_uuid($$) {
		3632	my ($skip, $sync) = @_;
		3633
		3634	$sync ? write_uuid_sync $skip
		3635	: async { write_uuid_sync $skip };
		3636	}
		3637
		3638	sub emergency_save() {
		3639	my $freeze_guard = cf::freeze_mainloop;
		3640
		3641	warn "emergency_perl_save: enter\n";
		3642
		3643	cf::sync_job {
		3644	# this is a trade-off: we want to be very quick here, so
		3645	# save all maps without fsync, and later call a global sync
		3646	# (which in turn might be very very slow)
		3647	local $USE_FSYNC = 0;
		3648
		3649	# use a peculiar iteration method to avoid tripping on perl
		3650	# refcount bugs in for. also avoids problems with players
		3651	# and maps saved/destroyed asynchronously.
		3652	warn "emergency_perl_save: begin player save\n";
		3653	for my $login (keys %cf::PLAYER) {
		3654	my $pl = $cf::PLAYER{$login} or next;
		3655	$pl->valid or next;
		3656	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3657	$pl->save;
		3658	}
		3659	warn "emergency_perl_save: end player save\n";
		3660
		3661	warn "emergency_perl_save: begin map save\n";
		3662	for my $path (keys %cf::MAP) {
		3663	my $map = $cf::MAP{$path} or next;
		3664	$map->valid or next;
		3665	$map->save;
		3666	}
		3667	warn "emergency_perl_save: end map save\n";
		3668
		3669	warn "emergency_perl_save: begin database checkpoint\n";
		3670	BDB::db_env_txn_checkpoint $DB_ENV;
		3671	warn "emergency_perl_save: end database checkpoint\n";
		3672
		3673	warn "emergency_perl_save: begin write uuid\n";
		3674	write_uuid_sync 1;
		3675	warn "emergency_perl_save: end write uuid\n";
		3676	};
		3677
		3678	warn "emergency_perl_save: starting sync()\n";
		3679	IO::AIO::aio_sync sub {
		3680	warn "emergency_perl_save: finished sync()\n";
		3681	};
		3682
		3683	warn "emergency_perl_save: leave\n";
		3684	}
		3685
		3686	sub post_cleanup {
		3687	my ($make_core) = @_;
		3688
		3689	warn Carp::longmess "post_cleanup backtrace"
		3690	if $make_core;
		3691
		3692	my $fh = pidfile;
		3693	unlink $PIDFILE if <$fh> == $$;
		3694	}
		3695
		3696	# a safer delete_package, copied from Symbol
		3697	sub clear_package($) {
		3698	my $pkg = shift;
		3699
		3700	# expand to full symbol table name if needed
		3701	unless ($pkg =~ /^main::.*::$/) {
		3702	$pkg = "main$pkg" if $pkg =~ /^::/;
		3703	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3704	$pkg .= '::' unless $pkg =~ /::$/;
		3705	}
		3706
		3707	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3708	my $stem_symtab = *{$stem}{HASH};
		3709
		3710	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3711	or return;
		3712
		3713	# clear all symbols
		3714	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3715	for my $name (keys %$leaf_symtab) {
		3716	_gv_clear *{"$pkg$name"};
		3717	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3718	}
		3719	warn "cleared package $pkg\n";#d#
		3720	}
		3721
2091	sub reload() {	3722	sub do_reload_perl() {
2092	# can/must only be called in main	3723	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	3724	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	3725	warn "can only reload from main coroutine";
2095	return;	3726	return;
2096	}	3727	}
2097		3728
		3729	return if $RELOAD++;
		3730
		3731	my $t1 = EV::time;
		3732
		3733	while ($RELOAD) {
2098	warn "reloading...";	3734	warn "reloading...";
2099		3735
2100	my $guard = freeze_mainloop;	3736	warn "entering sync_job";
		3737
		3738	cf::sync_job {
		3739	cf::write_runtime_sync; # external watchdog should not bark
2101	cf::emergency_save;	3740	cf::emergency_save;
		3741	cf::write_runtime_sync; # external watchdog should not bark
2102		3742
2103	eval {	3743	warn "syncing database to disk";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745
2104	# if anything goes wrong in here, we should simply crash as we already saved	3746	# if anything goes wrong in here, we should simply crash as we already saved
2105		3747
2106	# cancel all watchers	3748	warn "flushing outstanding aio requests";
2107	for (Event::all_watchers) {	3749	while (IO::AIO::nreqs || BDB::nreqs) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	3750	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2109	}
2110
2111	# cancel all extension coros
2112	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();
2114
2115	# unload all extensions
2116	for (@exts) {
2117	warn "unloading <$_>";
2118	unload_extension $_;
2119	}
2120
2121	# unload all modules loaded from $LIBDIR
2122	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124
2125	warn "removing <$k>";
2126	delete $INC{$k};
2127
2128	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;
2130
2131	if (my $cb = $k->can ("unload_module")) {
2132	$cb->();
2133	}	3751	}
2134		3752
2135	Symbol::delete_package $k;	3753	warn "cancelling all extension coros";
		3754	$_->cancel for values %EXT_CORO;
		3755	%EXT_CORO = ();
		3756
		3757	warn "removing commands";
		3758	%COMMAND = ();
		3759
		3760	warn "removing ext/exti commands";
		3761	%EXTCMD = ();
		3762	%EXTICMD = ();
		3763
		3764	warn "unloading/nuking all extensions";
		3765	for my $pkg (@EXTS) {
		3766	warn "... unloading $pkg";
		3767
		3768	if (my $cb = $pkg->can ("unload")) {
		3769	eval {
		3770	$cb->($pkg);
		3771	1
		3772	} or warn "$pkg unloaded, but with errors: $@";
		3773	}
		3774
		3775	warn "... clearing $pkg";
		3776	clear_package $pkg;
2136	}	3777	}
2137		3778
2138	# sync database to disk	3779	warn "unloading all perl modules loaded from $LIBDIR";
2139	cf::db_sync;	3780	while (my ($k, $v) = each %INC) {
2140	IO::AIO::flush;	3781	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2141		3782
		3783	warn "... unloading $k";
		3784	delete $INC{$k};
		3785
		3786	$k =~ s/\.pm$//;
		3787	$k =~ s/\//::/g;
		3788
		3789	if (my $cb = $k->can ("unload_module")) {
		3790	$cb->();
		3791	}
		3792
		3793	clear_package $k;
		3794	}
		3795
2142	# get rid of safe::, as good as possible	3796	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	3797	clear_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3798	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		3799
2146	# remove register_script_function callbacks	3800	warn "unloading cf.pm \"a bit\"";
2147	# TODO
2148
2149	# unload cf.pm "a bit"
2150	delete $INC{"cf.pm"};	3801	delete $INC{"cf.pm"};
		3802	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2151		3803
2152	# don't, removes xs symbols, too,	3804	# don't, removes xs symbols, too,
2153	# and global variables created in xs	3805	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	3806	#clear_package __PACKAGE__;
2155		3807
2156	# reload cf.pm	3808	warn "unload completed, starting to reload now";
		3809
2157	warn "reloading cf.pm";	3810	warn "reloading cf.pm";
2158	require cf;	3811	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3812	cf::_connect_to_perl_1;
2160		3813
2161	# load config and database again	3814	warn "loading config and database again";
2162	cf::cfg_load;	3815	cf::reload_config;
2163	cf::db_load;
2164		3816
2165	# load extensions
2166	warn "load extensions";	3817	warn "loading extensions";
2167	cf::load_extensions;	3818	cf::load_extensions;
2168		3819
2169	# reattach attachments to objects	3820	if ($REATTACH_ON_RELOAD) {
		3821	warn "reattaching attachments to objects/players";
		3822	_global_reattach; # objects, sockets
		3823	warn "reattaching attachments to maps";
		3824	reattach $_ for values %MAP;
		3825	warn "reattaching attachments to players";
		3826	reattach $_ for values %PLAYER;
		3827	}
		3828
		3829	warn "running post_init jobs";
		3830	(pop @POST_INIT)->(1) while @POST_INIT;
		3831
		3832	warn "leaving sync_job";
		3833
		3834	1
		3835	} or do {
		3836	warn $@;
		3837	cf::cleanup "error while reloading, exiting.";
		3838	};
		3839
2170	warn "reattach";	3840	warn "reloaded";
2171	_global_reattach;	3841	--$RELOAD;
		3842	}
		3843
		3844	$t1 = EV::time - $t1;
		3845	warn "reload completed in ${t1}s\n";
		3846	};
		3847
		3848	our $RELOAD_WATCHER; # used only during reload
		3849
		3850	sub reload_perl() {
		3851	# doing reload synchronously and two reloads happen back-to-back,
		3852	# coro crashes during coro_state_free->destroy here.
		3853
		3854	$RELOAD_WATCHER ||= cf::async {
		3855	Coro::AIO::aio_wait cache_extensions;
		3856
		3857	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3858	do_reload_perl;
		3859	undef $RELOAD_WATCHER;
		3860	};
2172	};	3861	};
2173
2174	if ($@) {
2175	warn $@;
2176	warn "error while reloading, exiting.";
2177	exit 1;
2178	}
2179
2180	warn "reloaded successfully";
2181	};
2182
2183	#############################################################################
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	3862	}
2225
2226	register "<global>", __PACKAGE__;
2227		3863
2228	register_command "reload" => sub {	3864	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	3865	my ($who, $arg) = @_;
2230		3866
2231	if ($who->flag (FLAG_WIZ)) {	3867	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	3868	$who->message ("reloading server.");
		3869	async {
		3870	$Coro::current->{desc} = "perl_reload";
		3871	reload_perl;
		3872	};
2235	}	3873	}
2236	};	3874	};
2237		3875
2238	unshift @INC, $LIBDIR;	3876	unshift @INC, $LIBDIR;
2239		3877
2240	$TICK_WATCHER = Event->timer (	3878	my $bug_warning = 0;
2241	reentrant => 0,	3879
2242	prio => 0,	3880	our @WAIT_FOR_TICK;
2243	at => $NEXT_TICK || $TICK,	3881	our @WAIT_FOR_TICK_BEGIN;
2244	data => WF_AUTOCANCEL,	3882
2245	cb => sub {	3883	sub wait_for_tick {
		3884	return if tick_inhibit || $Coro::current == $Coro::main;
		3885
		3886	my $signal = new Coro::Signal;
		3887	push @WAIT_FOR_TICK, $signal;
		3888	$signal->wait;
		3889	}
		3890
		3891	sub wait_for_tick_begin {
		3892	return if tick_inhibit || $Coro::current == $Coro::main;
		3893
		3894	my $signal = new Coro::Signal;
		3895	push @WAIT_FOR_TICK_BEGIN, $signal;
		3896	$signal->wait;
		3897	}
		3898
		3899	sub tick {
		3900	if ($Coro::current != $Coro::main) {
		3901	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3902	unless ++$bug_warning > 10;
		3903	return;
		3904	}
		3905
2246	cf::server_tick; # one server iteration	3906	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;
2249		3907
2250	# if we are delayed by four ticks or more, skip them all	3908	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3909	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2252		3910	Coro::async_pool {
2253	$TICK_WATCHER->at ($NEXT_TICK);	3911	$Coro::current->{desc} = "runtime saver";
2254	$TICK_WATCHER->start;
2255	},
2256	);
2257
2258	IO::AIO::max_poll_time $TICK * 0.2;
2259
2260	Event->io (
2261	fd => IO::AIO::poll_fileno,
2262	poll => 'r',
2263	prio => 5,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,
2270	after => 0,
2271	interval => 10,
2272	cb => sub {
2273	(Coro::unblock_sub {
2274	write_runtime	3912	write_runtime_sync
2275	or warn "ERROR: unable to write runtime file: $!";	3913	or warn "ERROR: unable to write runtime file: $!";
2276	})->();	3914	};
2277	},	3915	}
2278	);	3916
		3917	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3918	$sig->send;
		3919	}
		3920	while (my $sig = shift @WAIT_FOR_TICK) {
		3921	$sig->send;
		3922	}
		3923
		3924	$LOAD = ($NOW - $TICK_START) / $TICK;
		3925	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3926
		3927	if (0) {
		3928	if ($NEXT_TICK) {
		3929	my $jitter = $TICK_START - $NEXT_TICK;
		3930	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3931	warn "jitter $JITTER\n";#d#
		3932	}
		3933	}
		3934	}
		3935
		3936	{
		3937	# configure BDB
		3938
		3939	BDB::min_parallel 8;
		3940	BDB::max_poll_reqs $TICK * 0.1;
		3941	$AnyEvent::BDB::WATCHER->priority (1);
		3942
		3943	unless ($DB_ENV) {
		3944	$DB_ENV = BDB::db_env_create;
		3945	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3946	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3947	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3948	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3949	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3950
		3951	cf::sync_job {
		3952	eval {
		3953	BDB::db_env_open
		3954	$DB_ENV,
		3955	$BDBDIR,
		3956	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3957	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3958	0666;
		3959
		3960	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3961	};
		3962
		3963	cf::cleanup "db_env_open(db): $@" if $@;
		3964	};
		3965	}
		3966
		3967	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3968	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3969	};
		3970	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3971	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3972	};
		3973	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3974	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3975	};
		3976	}
		3977
		3978	{
		3979	# configure IO::AIO
		3980
		3981	IO::AIO::min_parallel 8;
		3982	IO::AIO::max_poll_time $TICK * 0.1;
		3983	undef $AnyEvent::AIO::WATCHER;
		3984	}
		3985
		3986	my $_log_backtrace;
		3987
		3988	sub _log_backtrace {
		3989	my ($msg, @addr) = @_;
		3990
		3991	$msg =~ s/\n//;
		3992
		3993	# limit the # of concurrent backtraces
		3994	if ($_log_backtrace < 2) {
		3995	++$_log_backtrace;
		3996	my $perl_bt = Carp::longmess $msg;
		3997	async {
		3998	$Coro::current->{desc} = "abt $msg";
		3999
		4000	my @bt = fork_call {
		4001	@addr = map { sprintf "%x", $_ } @addr;
		4002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4004	or die "addr2line: $!";
		4005
		4006	my @funcs;
		4007	my @res = <$fh>;
		4008	chomp for @res;
		4009	while (@res) {
		4010	my ($func, $line) = splice @res, 0, 2, ();
		4011	push @funcs, "[$func] $line";
		4012	}
		4013
		4014	@funcs
		4015	};
		4016
		4017	LOG llevInfo, "[ABT] $perl_bt\n";
		4018	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4019	LOG llevInfo, "[ABT] $_\n" for @bt;
		4020	--$_log_backtrace;
		4021	};
		4022	} else {
		4023	LOG llevInfo, "[ABT] $msg\n";
		4024	LOG llevInfo, "[ABT] [suppressed]\n";
		4025	}
		4026	}
		4027
		4028	# load additional modules
		4029	require "cf/$_.pm" for @EXTRA_MODULES;
		4030	cf::_connect_to_perl_2;
2279		4031
2280	END { cf::emergency_save }	4032	END { cf::emergency_save }
2281		4033
2282	1	4034	1
2283		4035

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