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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 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 ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %MAP; # all maps	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $RANDOM_MAPS = cf::localdir . "/random";	133	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	134
		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 $REALLY_UNLOOP; # never set to true, please :)
56		147
57	binmode STDOUT;	148	binmode STDOUT;
58	binmode STDERR;	149	binmode STDERR;
59		150
60	# read virtual server time, if available	151	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
65	}	156	}
66		157
67	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		159
73	# a special map that is always available	160	mkdir $_
74	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
75	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::"} };
76		177
77	#############################################################################	178	#############################################################################
78		179
79	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
80		181
…		…
87	=item $cf::RUNTIME	188	=item $cf::RUNTIME
88		189
89	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
90	every server tick.	191	every server tick.
91		192
92	=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
93		196
94	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		201
97	=item $cf::NOW	202	=item $cf::NOW
98		203
99	The time of the last (current) server tick.	204	The time of the last (current) server tick.
100		205
101	=item $cf::TICK	206	=item $cf::TICK
102		207
103	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
104		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
105	=item %cf::CFG	220	=item %cf::CFG
106		221
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	223	from wherever your confdir points to.
109		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
110	=back	243	=back
111		244
112	=cut	245	=cut
113		246
114	BEGIN {	247	$Coro::State::WARNHOOK = sub {
115	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	248	my $msg = join "", @_;
117	utf8::encode $msg;
118		249
119	$msg .= "\n"	250	$msg .= "\n"
120	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
121		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
122	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
123	};	256	};
124	}	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	};
125		271
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		279
133	# 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
134	# within the Safe compartment.	281	# within the Safe compartment.
135	for my $pkg (qw(	282	for my $pkg (qw(
136	cf::global cf::attachable	283	cf::global cf::attachable
137	cf::object cf::object::player	284	cf::object cf::object::player
138	cf::client cf::player	285	cf::client cf::player
139	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
140	cf::map cf::party cf::region	288	cf::party cf::region
141	)) {	289	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	291	}
145		292
146	$Event::DIED = sub {	293	$EV::DIED = sub {
147	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
148	};	295	};
149		296
150	my %ext_pkg;	297	#############################################################################
151	my @exts;
152	my @hook;
153		298
154	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
155		300
156	=over 4	301	=over 4
157		302
158	=cut	303	=item dumpval $ref
159		304
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
161		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
162	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
163		327
164	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
165		329
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
174		331
175	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
176		333
177	=cut	334	=cut
178		335
179	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183		337
184	=item my $guard = cf::guard { BLOCK }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
185		340
186	Run the given callback when the guard object gets destroyed (useful for	341	=item cf::post_init { BLOCK }
187	coroutine cancellations).
188		342
189	You can call C<< ->cancel >> on the guard object to stop the block from	343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
190	being executed.	344	but I<before> the server starts ticking again.
191		345
192	=cut	346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
193		348
194	sub guard(&) {	349	=cut
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197		350
198	sub cf::guard::cancel {	351	sub post_init(&) {
199	${$_[0]} = sub { };	352	push @POST_INIT, shift;
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}	353	}
205		354
206	=item cf::lock_wait $string	355	=item cf::lock_wait $string
207		356
208	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
209		358
210	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
211		360
212	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
213	a guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
215	returned.	364	returned.
216		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
217	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
218	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
219		371
220	=cut	372	=item $locked = cf::lock_active $string
221		373
222	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
223		379
224	sub lock_wait($) {	380	sub lock_wait($) {
225	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
226
227	# wait for lock, if any
228	while ($LOCK{$key}) {
229	push @{ $LOCK{$key} }, $Coro::current;
230	Coro::schedule;
231	}
232	}	382	}
233		383
234	sub lock_acquire($) {	384	sub lock_acquire($) {
235	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
236		387
237	# wait, to be sure we are not locked	388	sub lock_active($) {
238	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
		390	}
239		391
240	$LOCK{$key} = [];	392	sub freeze_mainloop {
		393	tick_inhibit_inc;
241		394
242	cf::guard {	395	&Guard::guard (\&tick_inhibit_dec);
243	# wake up all waiters, to be on the safe side	396	}
244	$_->ready for @{ delete $LOCK{$key} };	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
245	}	462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
246	}	478	}
247		479
248	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
249		481
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	482	Currently the same as Coro::async_pool, meaning you cannot use
251	error instead of exiting the server in case of a problem.	483	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		484	thing you are allowed to do is call C<prio> on it.
252		485
253	=cut	486	=cut
254		487
255	sub async(&) {	488	BEGIN { *async = \&Coro::async_pool }
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;
266
267	my $guard = guard { $TICK_WATCHER->start };
268	$TICK_WATCHER->stop;
269	$guard
270	}
271		489
272	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
273		491
274	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
275	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
277		496
278	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
279	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
280	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
281	fast or be very important.	500	fast or be very important.
…		…
284		503
285	sub sync_job(&) {	504	sub sync_job(&) {
286	my ($job) = @_;	505	my ($job) = @_;
287		506
288	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
289	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
291		512
292	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
293	# (but this is cancel-safe)	514
294	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
295		516
296	my $busy = 1;	517	my $busy = 1;
297	my @res;	518	my @res;
298		519
299	(Coro::async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
300	@res = eval { $job->() };	522	@res = eval { $job->() };
301	warn $@ if $@;	523	warn $@ if $@;
302	undef $busy;	524	undef $busy;
303	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
304		526
305	while ($busy) {	527	while ($busy) {
		528	if (Coro::nready) {
306	Coro::cede_notself;	529	Coro::cede_notself;
307	Event::one_event unless Coro::nready;	530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
308	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
309		538
310	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
311	} else {	540	} else {
312	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
313		542
314	$job->()	543	$job->()
315	}	544	}
316	}	545	}
317		546
318	=item $coro = cf::coro { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
319		548
320	Creates and returns a new coro. This coro is automcatially being canceled	549	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	550	extension calling this is being unloaded.
322		551
323	=cut	552	=cut
324		553
325	sub coro(&) {	554	sub async_ext(&) {
326	my $cb = shift;	555	my $cb = shift;
327		556
328	my $coro = &cf::async ($cb);	557	my $coro = &Coro::async ($cb);
329		558
330	$coro->on_destroy (sub {	559	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	560	delete $EXT_CORO{$coro+0};
332	});	561	});
333	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
334		563
335	$coro	564	$coro
336	}	565	}
337		566
338	sub write_runtime {	567	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		568
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
342	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
343		573
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		575
348	aio_fsync $fh	576	sub fork_call(&@) {
349	and return;	577	my ($cb, @args) = @_;
350		578
351	close $fh	579	# we seemingly have to make a local copy of the whole thing,
352	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
353		582
354	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
355	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
356		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
357	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
358	}	754	}
359		755
360	=back	756	=back
361		757
362	=cut	758	=cut
363		759
364	#############################################################################	760	#############################################################################
365		761
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483
484	#############################################################################
485
486	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
487		763
488	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
489	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
490	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
491		767
492	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
493	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
494	crossfire+).	770	Deliantra).
495		771
496	=over 4	772	=over 4
497		773
498	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
499		775
…		…
543	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
544		820
545	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
546	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
547		823
548	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
549	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
550		826
551	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
552		828
553	=over 4	829	=over 4
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	890	our @CB_MAP = ();
615		891
616	my %attachment;	892	my %attachment;
617		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
618	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
620		902
621	use sort 'stable';	903	use sort 'stable';
622		904
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
657		939
658	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		944
663	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	946	my $pkg = shift @arg;
665		947
666	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
696	}	978	}
697		979
698	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
699	} else {	981	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	983	}
702		984
703	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
704	}	986	}
705		987
…		…
707	if (ref $_[0]) {	989	if (ref $_[0]) {
708	_object_attach @_;	990	_object_attach @_;
709	} else {	991	} else {
710	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
711	}	993	}
		994	_recalc_want;
712	};	995	};
713		996
714	# all those should be optimised	997	# all those should be optimised
715	sub cf::attachable::detach {	998	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
720	reattach ($obj);	1003	reattach ($obj);
721	} else {	1004	} else {
722	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
723	}	1006	}
		1007	_recalc_want;
724	};	1008	};
725		1009
726	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
728		1012
…		…
743	";	1027	";
744	die if $@;	1028	die if $@;
745	}	1029	}
746		1030
747	our $override;	1031	our $override;
748	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
749		1033
750	sub override {	1034	sub override {
751	$override = 1;	1035	$override = 1;
752	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
753	}	1037	}
754		1038
755	sub do_invoke {	1039	sub do_invoke {
756	my $event = shift;	1040	my $event = shift;
757	my $callbacks = shift;	1041	my $callbacks = shift;
758		1042
759	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
760		1044
761	local $override;	1045	local $override;
762		1046
763	for (@$callbacks) {	1047	for (@$callbacks) {
764	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
773	}	1057	}
774		1058
775	0	1059	0
776	}	1060	}
777		1061
778	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
779		1063
780	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
781		1065
782	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
783		1067
784	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
785	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
786	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		1071
788	=back	1072	=back
789		1073
790	=cut	1074	=cut
791		1075
792	#############################################################################	1076	#############################################################################
793	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
794		1120
795	sub reattach {	1121	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		1127
799	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
800		1129
801	@$registry = ();	1130	@$registry = ();
802		1131
…		…
817	cf::attachable->attach (	1146	cf::attachable->attach (
818	prio => -1000000,	1147	prio => -1000000,
819	on_instantiate => sub {	1148	on_instantiate => sub {
820	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
821		1150
822	$data = from_json $data;	1151	$data = decode_json $data;
823		1152
824	for (@$data) {	1153	for (@$data) {
825	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
826		1155
827	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
843	sub object_freezer_save {	1172	sub object_freezer_save {
844	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
845		1174
846	sync_job {	1175	sync_job {
847	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
848	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
849	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
850		1180
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	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;
854	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
855	close $fh;	1188	aio_close $fh;
856		1189
857	if (@$objs) {	1190	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	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;
862	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
863	close $fh;	1199	aio_close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
865	}	1201	}
866	} else {	1202	} else {
867	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
868	}	1204	}
869		1205
870	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
871	} else {	1210	} else {
872	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
873	}	1212	}
874	} else {	1213	} else {
875	aio_unlink $filename;	1214	aio_unlink $filename;
876	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
877	}	1216	}
878	}	1217	};
879	}	1218	}
880		1219
881	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
883		1222
…		…
895	or return;	1234	or return;
896		1235
897	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
898	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
899	or return;	1238	or return;
		1239
900	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
901	}	1242	}
902		1243
		1244	utf8::decode (my $decname = $filename);
903	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
905	return ($data, $av);	1248	($data, $av)
906	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
907		1256
908	#############################################################################	1257	#############################################################################
909	# command handling &c	1258	# command handling &c
910		1259
911	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1274	}
926		1275
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1277
929	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
930		1283
931	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
932	called.	1285	called.
933		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
934	=cut	1298	=cut
935		1299
936	sub register_extcmd {	1300	sub register_extcmd {
937	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
938		1302
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
943	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
944		1313
945	cf::player->attach (	1314	cf::player->attach (
946	on_command => sub {	1315	on_command => sub {
947	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
948		1317
…		…
956	cf::override;	1325	cf::override;
957	},	1326	},
958	on_extcmd => sub {	1327	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
960		1329
961	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1331
963	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
966	$pl->ext_reply ($msg->{msgid}, %reply);
967	}
968	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
969	} else {	1347	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1349	}
972		1350
973	cf::override;	1351	cf::override;
974	},	1352	},
975	);	1353	);
976		1354
977	sub register {	1355	# "readahead" all extensions
978	my ($base, $pkg) = @_;	1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
979		1358
980	#TODO	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
981	}	1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
982		1364
		1365	$grp
		1366	}
		1367
983	sub load_extension {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
		1372	for my $path (<$LIBDIR/*.ext>) {
		1373	next unless -r $path;
		1374
		1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
		1435	}
		1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
		1446	};
		1447	}
		1448
		1449	#############################################################################
		1450
		1451	=back
		1452
		1453	=head2 CORE EXTENSIONS
		1454
		1455	Functions and methods that extend core deliantra objects.
		1456
		1457	=cut
		1458
		1459	package cf::player;
		1460
		1461	use Coro::AIO;
		1462
		1463	=head3 cf::player
		1464
		1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
		1481	=item cf::player::find $login
		1482
		1483	Returns the given player object, loading it if necessary (might block).
		1484
		1485	=cut
		1486
		1487	sub playerdir($) {
		1488	"$PLAYERDIR/"
		1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1490	}
		1491
		1492	sub path($) {
		1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1494
		1495	(playerdir $login) . "/playerdata"
		1496	}
		1497
		1498	sub find_active($) {
		1499	$cf::PLAYER{$_[0]}
		1500	and $cf::PLAYER{$_[0]}->active
		1501	and $cf::PLAYER{$_[0]}
		1502	}
		1503
		1504	sub exists($) {
		1505	my ($login) = @_;
		1506
		1507	$cf::PLAYER{$login}
		1508	or !aio_stat path $login
		1509	}
		1510
		1511	sub find($) {
		1512	return $cf::PLAYER{$_[0]} || do {
		1513	my $login = $_[0];
		1514
		1515	my $guard = cf::lock_acquire "user_find:$login";
		1516
		1517	$cf::PLAYER{$_[0]} || do {
		1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
		1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
		1533	$cf::PLAYER{$login} = $pl
		1534	}
		1535	}
		1536	}
		1537
		1538	sub save($) {
		1539	my ($pl) = @_;
		1540
		1541	return if $pl->{deny_save};
		1542
		1543	my $path = path $pl;
		1544	my $guard = cf::lock_acquire "user_save:$path";
		1545
		1546	return if $pl->{deny_save};
		1547
		1548	aio_mkdir playerdir $pl, 0770;
		1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
		1552
		1553	$pl->save_pl ($path);
		1554	cf::cede_to_tick;
		1555	}
		1556
		1557	sub new($) {
		1558	my ($login) = @_;
		1559
		1560	my $self = create;
		1561
		1562	$self->ob->name ($login);
		1563	$self->{deny_save} = 1;
		1564
		1565	$cf::PLAYER{$login} = $self;
		1566
		1567	$self
		1568	}
		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
		1580	=item $pl->quit_character
		1581
		1582	Nukes the player without looking back. If logged in, the connection will
		1583	be destroyed. May block for a long time.
		1584
		1585	=cut
		1586
		1587	sub quit_character {
		1588	my ($pl) = @_;
		1589
		1590	my $name = $pl->ob->name;
		1591
		1592	$pl->{deny_save} = 1;
		1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1594
		1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
		1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1600	$pl->ns->destroy if $pl->ns;
		1601
		1602	my $path = playerdir $pl;
		1603	my $temp = "$path~$cf::RUNTIME~deleting~";
		1604	aio_rename $path, $temp;
		1605	delete $cf::PLAYER{$pl->ob->name};
		1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
		1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
		1628	}
		1629
		1630	=item cf::player::list_logins
		1631
		1632	Returns am arrayref of all valid playernames in the system, can take a
		1633	while and may block, so not sync_job-capable, ever.
		1634
		1635	=cut
		1636
		1637	sub list_logins {
		1638	my $dirs = aio_readdir $PLAYERDIR
		1639	or return [];
		1640
		1641	my @logins;
		1642
		1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
		1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1650	aio_read $fh, 0, 512, my $buf, 0 or next;
		1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
		1653
		1654	utf8::decode $login;
		1655	push @logins, $login;
		1656	}
		1657
		1658	\@logins
		1659	}
		1660
		1661	=item $player->maps
		1662
		1663	Returns an arrayref of map paths that are private for this
		1664	player. May block.
		1665
		1666	=cut
		1667
		1668	sub maps($) {
		1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
		1672
		1673	my $files = aio_readdir playerdir $pl
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.(?:pl|pst)$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise "~$pl/$_";
		1684	}
		1685
		1686	\@paths
		1687	}
		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
		1693	=item $player->ext_reply ($msgid, @msg)
		1694
		1695	Sends an ext reply to the player.
		1696
		1697	=cut
		1698
		1699	sub ext_reply($$@) {
		1700	my ($self, $id, @msg) = @_;
		1701
		1702	$self->ns->ext_reply ($id, @msg)
		1703	}
		1704
		1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
984	my ($path) = @_;	1732	my ($path) = @_;
985		1733
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1734	my ($match, $specificity);
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991		1735
992	warn "loading '$path' into '$pkg'\n";	1736	for my $region (list) {
993		1737	if ($region->{match} && $path =~ $region->{match}) {
994	open my $fh, "<:utf8", $path	1738	($match, $specificity) = ($region, $region->specificity)
995	or die "$path: $!";	1739	if $region->specificity > $specificity;
996		1740	}
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	1741	}
1026		1742
1027	# remove commands	1743	$match
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}
1052
1053	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;
1056	eval {
1057	load_extension $ext;
1058	1
1059	} or warn "$ext not loaded: $@";
1060	}
1061	}
1062
1063	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100
1101	=head2 CORE EXTENSIONS
1102
1103	Functions and methods that extend core crossfire objects.
1104
1105	=head3 cf::player
1106
1107	=over 4
1108
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut
1114
1115	sub cf::player::exists($) {
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121
1122	Sends an ext reply to the player.
1123
1124	=cut
1125
1126	sub cf::player::ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;
1128
1129	$msg{msgid} = $id;
1130
1131	$self->send ("ext " . to_json \%msg);
1132	}	1744	}
1133		1745
1134	=back	1746	=back
1135
1136		1747
1137	=head3 cf::map	1748	=head3 cf::map
1138		1749
1139	=over 4	1750	=over 4
1140		1751
…		…
1143	package cf::map;	1754	package cf::map;
1144		1755
1145	use Fcntl;	1756	use Fcntl;
1146	use Coro::AIO;	1757	use Coro::AIO;
1147		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1148	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1150		1765
1151	sub generate_random_map {	1766	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1153		1770
1154	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1772	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1781	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1168	}	1785	}
1169		1786
1170	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1171	# all maps in C++...
1172	sub change_all_map_light {
1173	my ($change) = @_;
1174		1788
1175	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1176	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1177	}	1791	default).
1178		1792
1179	sub try_load_header($) {	1793	=cut
		1794
		1795	sub register {
		1796	my (undef, $regex, $prio) = @_;
		1797	my $pkg = caller;
		1798
		1799	no strict;
		1800	push @{"$pkg\::ISA"}, __PACKAGE__;
		1801
		1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1803	}
		1804
		1805	# also paths starting with '/'
		1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1807
		1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
		1811	# we have to keep some variables in memory intact
		1812	local $self->{path};
		1813	local $self->{load_path};
		1814
		1815	$self->SUPER::thawer_merge ($merge);
		1816	}
		1817
		1818	sub normalise {
1180	my ($path) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
		1824
		1825	# map plan:
		1826	#
		1827	# /! non-realised random map exit (special hack!)
		1828	# {... are special paths that are not being touched
		1829	# ?xxx/... are special absolute paths
		1830	# ?random/... random maps
		1831	# /... normal maps
		1832	# ~user/... per-player map of a specific user
		1833
		1834	$path =~ s/$PATH_SEP/\//go;
		1835
		1836	# treat it as relative path if it starts with
		1837	# something that looks reasonable
		1838	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1839	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1840
		1841	$base =~ s{[^/]+/?$}{};
		1842	$path = "$base/$path";
		1843	}
		1844
		1845	for ($path) {
		1846	redo if s{//}{/};
		1847	redo if s{/\.?/}{/};
		1848	redo if s{/[^/]+/\.\./}{/};
		1849	}
		1850
		1851	$path
		1852	}
		1853
		1854	sub new_from_path {
		1855	my (undef, $path, $base) = @_;
		1856
		1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1858
		1859	$path = normalise $path, $base;
		1860
		1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1863	my $self = bless cf::map::new, $pkg;
		1864	$self->{path} = $path; $self->path ($path);
		1865	$self->init; # pass $1 etc.
		1866	return $self;
		1867	}
		1868	}
		1869
		1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1871	()
		1872	}
		1873
		1874	sub init {
		1875	my ($self) = @_;
		1876
		1877	$self
		1878	}
		1879
		1880	sub as_string {
		1881	my ($self) = @_;
		1882
		1883	"$self->{path}"
		1884	}
		1885
		1886	# the displayed name, this is a one way mapping
		1887	sub visible_name {
		1888	&as_string
		1889	}
		1890
		1891	# the original (read-only) location
		1892	sub load_path {
		1893	my ($self) = @_;
		1894
		1895	"$MAPDIR/$self->{path}.map"
		1896	}
		1897
		1898	# the temporary/swap location
		1899	sub save_path {
		1900	my ($self) = @_;
		1901
		1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1903	"$TMPDIR/$path.map"
		1904	}
		1905
		1906	# the unique path, undef == no special unique path
		1907	sub uniq_path {
		1908	my ($self) = @_;
		1909
		1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1911	"$UNIQUEDIR/$path"
		1912	}
		1913
		1914	sub decay_objects {
		1915	my ($self) = @_;
		1916
		1917	return if $self->{deny_reset};
		1918
		1919	$self->do_decay_objects;
		1920	}
		1921
		1922	sub unlink_save {
		1923	my ($self) = @_;
		1924
		1925	utf8::encode (my $save = $self->save_path);
		1926	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1927	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1928	}
		1929
		1930	sub load_header_from($) {
		1931	my ($self, $path) = @_;
1181		1932
1182	utf8::encode $path;	1933	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1184	or return;	1935	or return;
1185		1936
1186	my $map = cf::map::new	1937	$self->_load_header ($f)
1187	or return;	1938	or return;
1188		1939
1189	$map->load_header ($path)	1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
		1942
		1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1190	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1191		1989
1192	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1193		1992
1194	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1195	}	1997	}
1196		1998
1197	sub find;	1999	sub find;
1198	sub find {	2000	sub find {
1199	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1200		2002
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		2004
1206	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1207
1208	$cf::MAP{$key} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1210		2007
1211	# do it the slow way	2008	$cf::MAP{$path} || do {
1212	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	2010	or return;
1228		2011
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1241		2013
1242	if ($map->should_reset) {	2014	$map->load_header
		2015	or return;
		2016
		2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1243	$map->reset;	2022	$map->reset;
1244	undef $guard;
1245	$map = find $path	2023	return find $path;
1246	or return;
1247	}	2024	}
1248		2025
1249	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1250	}	2027	}
1251	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1252		2032
1253	sub load {	2033	sub load {
1254	my ($self) = @_;	2034	my ($self) = @_;
1255		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1256	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1258		2042
		2043	return unless $self->valid;
1259	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1260		2045
1261	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1262		2047
1263	$self->alloc;	2048	$self->alloc;
1264	$self->load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1265	or return;	2056	or return;
1266		2057
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1268	if delete $self->{load_original};	2059	if delete $self->{load_original};
1269		2060
1270	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	2062	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1273	$self->clear_unique_items;	2065	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1275	}	2069	}
1276	}	2070	}
1277		2071
		2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1278	# now do the right thing for maps	2075	# now do the right thing for maps
1279	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1280
1281	if ($self->{path}->is_style_map) {
1282	$self->{deny_save} = 1;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;
1288	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1290	unless $self->difficulty;	2078	unless $self->difficulty;
		2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1291	$self->activate;	2086	$self->activate;
1292	}	2087	}
1293		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1294	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
		2101	sub customise_for {
		2102	my ($self, $ob) = @_;
		2103
		2104	return find "~" . $ob->name . "/" . $self->{path}
		2105	if $self->per_player;
		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
		2110	$self
		2111	}
		2112
		2113	# find and load all maps in the 3x3 area around a map
		2114	sub load_neighbours {
		2115	my ($map) = @_;
		2116
		2117	my @neigh; # diagonal neighbours
		2118
		2119	for (0 .. 3) {
		2120	my $neigh = $map->tile_path ($_)
		2121	or next;
		2122	$neigh = find $neigh, $map
		2123	or next;
		2124	$neigh->load;
		2125
		2126	push @neigh,
		2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2129	}
		2130
		2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
		2133	my $neigh = find $path, $origin
		2134	or next;
		2135	$neigh->load;
		2136	}
1295	}	2137	}
1296		2138
1297	sub find_sync {	2139	sub find_sync {
1298	my ($path, $origin) = @_;	2140	my ($path, $origin) = @_;
1299		2141
1300	cf::sync_job { cf::map::find $path, $origin }	2142	cf::sync_job { find $path, $origin }
1301	}	2143	}
1302		2144
1303	sub do_load_sync {	2145	sub do_load_sync {
1304	my ($map) = @_;	2146	my ($map) = @_;
1305		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1306	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
		2152	}
		2153
		2154	our %MAP_PREFETCH;
		2155	our $MAP_PREFETCHER = undef;
		2156
		2157	sub find_async {
		2158	my ($path, $origin, $load) = @_;
		2159
		2160	$path = normalise $path, $origin && $origin->{path};
		2161
		2162	if (my $map = $cf::MAP{$path}) {
		2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2164	}
		2165
		2166	$MAP_PREFETCH{$path} |= $load;
		2167
		2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
		2171	while (%MAP_PREFETCH) {
		2172	while (my ($k, $v) = each %MAP_PREFETCH) {
		2173	if (my $map = find $k) {
		2174	$map->load if $v;
		2175	}
		2176
		2177	delete $MAP_PREFETCH{$k};
		2178	}
		2179	}
		2180	undef $MAP_PREFETCHER;
		2181	};
		2182	$MAP_PREFETCHER->prio (6);
		2183
		2184	()
1307	}	2185	}
1308		2186
1309	sub save {	2187	sub save {
1310	my ($self) = @_;	2188	my ($self) = @_;
1311		2189
		2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2191
1312	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1313		2193
1314	return unless $self->dirty;	2194	return unless $self->dirty;
1315		2195
1316	my $save = $self->{path}->save_path; utf8::encode $save;	2196	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2197	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		2198
1319	$self->{load_path} = $save;	2199	$self->{load_path} = $save;
1320		2200
1321	return if $self->{deny_save};	2201	return if $self->{deny_save};
1322		2202
1323	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1324		2204
		2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
		2207	$_->contr->save for $self->players;
		2208	};
		2209
		2210	cf::get_slot 0.02;
		2211
1325	if ($uniq) {	2212	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	2215	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2216	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	2217	}
1331	}	2218	}
1332		2219
1333	sub swap_out {	2220	sub swap_out {
1334	my ($self) = @_;	2221	my ($self) = @_;
1335		2222
1336	# save first because save cedes	2223	# save first because save cedes
1337	$self->save;	2224	$self->save;
1338		2225
		2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2227
1339	return if $self->players;	2228	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1341	return if $self->{deny_save};	2230	return if $self->{deny_save};
1342		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1343	$self->clear;	2236	$self->clear;
1344	$self->in_memory (cf::MAP_SWAPPED);
1345	}	2237	}
1346		2238
1347	sub reset_at {	2239	sub reset_at {
1348	my ($self) = @_;	2240	my ($self) = @_;
1349		2241
1350	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};
1352	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1353		2244
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		2247
…		…
1361	my ($self) = @_;	2252	my ($self) = @_;
1362		2253
1363	$self->reset_at <= $cf::RUNTIME	2254	$self->reset_at <= $cf::RUNTIME
1364	}	2255	}
1365		2256
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	2257	sub reset {
1388	my ($self) = @_;	2258	my ($self) = @_;
1389		2259
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1390	return if $self->players;	2262	return if $self->players;
1391	return if $self->{path}{user_rel};#d#
1392		2263
1393	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	# need to save uniques path
		2269	unless ($self->{deny_save}) {
		2270	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2271
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2273	if $uniq;
		2274	}
1394		2275
1395	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1396		2277
		2278	$self->deactivate;
1397	$_->clear_links_to ($self) for values %cf::MAP;	2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->clear;
1398		2281
1399	$self->unlink_save;	2282	$self->unlink_save;
1400	$self->destroy;	2283	$self->destroy;
1401	}	2284	}
1402		2285
1403	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1404		2287
1405	sub nuke {	2288	sub nuke {
1406	my ($self) = @_;	2289	my ($self) = @_;
1407		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
		2294	delete $cf::MAP{$self->path};
		2295
		2296	$self->unlink_save;
		2297
		2298	bless $self, "cf::map";
		2299	delete $self->{deny_reset};
1408	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2303
		2304	$cf::MAP{$self->path} = $self;
		2305	}
		2306
1411	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
1412	}	2308	}
1413		2309
1414	sub customise_for {	2310	=item $maps = cf::map::tmp_maps
1415	my ($map, $ob) = @_;
1416		2311
1417	if ($map->per_player) {	2312	Returns an arrayref with all map paths of currently instantiated and saved
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
1419	}	2318	[
1420		2319	map {
1421	$map	2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
1422	}	2326	}
1423		2327
1424	sub emergency_save {	2328	=item $maps = cf::map::random_maps
1425	my $freeze_guard = cf::freeze_mainloop;
1426		2329
1427	warn "enter emergency map save\n";	2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
1428		2332
1429	cf::sync_job {	2333	=cut
1430	warn "begin emergency map save\n";	2334
1431	$_->save for values %cf::MAP;	2335	sub random_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::unique_maps
		2347
		2348	Returns an arrayref of paths of all shared maps that have
		2349	instantiated unique items. May block.
		2350
		2351	=cut
		2352
		2353	sub unique_maps() {
		2354	[
		2355	map {
		2356	utf8::decode $_;
		2357	s/\.map$//; # TODO future compatibility hack
		2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
		2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
		2362	]
		2363	}
		2364
		2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
1432	};	2392	}
1433		2393
1434	warn "end emergency map save\n";	2394	\@maps
		2395	}
		2396
		2397	=back
		2398
		2399	=head3 cf::object
		2400
		2401	=cut
		2402
		2403	package cf::object;
		2404
		2405	=over 4
		2406
		2407	=item $ob->inv_recursive
		2408
		2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
		2411
		2412	=cut
		2413
		2414	sub inv_recursive_;
		2415	sub inv_recursive_ {
		2416	map { $_, inv_recursive_ $_->inv } @_
		2417	}
		2418
		2419	sub inv_recursive {
		2420	inv_recursive_ inv $_[0]
		2421	}
		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
1435	}	2449	}
1436		2450
1437	package cf;	2451	package cf;
1438		2452
1439	=back	2453	=back
1440
1441		2454
1442	=head3 cf::object::player	2455	=head3 cf::object::player
1443		2456
1444	=over 4	2457	=over 4
1445		2458
…		…
1448	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1449	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1450	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1451		2464
1452	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1453		2480
1454	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1455	# with dialog boxes.	2482	# with dialog boxes.
1456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1457	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1459		2486
1460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461		2488
1462	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1464	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1465	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1466	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1467	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1468	}	2514	}
1469		2515
1470	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1471		2517
1472	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1485		2531
1486	=item $player_object->enter_link	2532	=item $player_object->enter_link
1487		2533
1488	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1489		2535
1490	The player should be reaosnably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1491	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
		2540
		2541	Will never block.
1492		2542
1493	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1494		2544
1495	Moves the player out of the specila link map onto the given map. If the	2545	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	2546	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	2547	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	2548	fails, to the emergency map position.
1499		2549
1500	Might block.	2550	Might block.
1501		2551
1502	=cut	2552	=cut
		2553
		2554	sub link_map {
		2555	unless ($LINK_MAP) {
		2556	$LINK_MAP = cf::map::find "{link}"
		2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2558	$LINK_MAP->load;
		2559	}
		2560
		2561	$LINK_MAP
		2562	}
1503		2563
1504	sub cf::object::player::enter_link {	2564	sub cf::object::player::enter_link {
1505	my ($self) = @_;	2565	my ($self) = @_;
1506		2566
1507	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1508		2568
1509	return if $self->map == $LINK_MAP;	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		2570
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1513		2573
1514	$self->enter_map ($LINK_MAP, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	2575	}
1516		2576
1517	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1519		2581
1520	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1521		2583
1522	unless ($map) {	2584	unless ($map) {
1523	# restore original map position	2585	# restore original map position
…		…
1534	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1535	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1536		2598
1537	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1540		2602
1541	$map->load;	2603	$map->load;
		2604	$map->load_neighbours;
1542		2605
		2606	return unless $self->contr->active;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
1543	$self->activate_recursive;	2612	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);
1545	}	2613	}
1546		2614
1547	cf::player->attach (	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1548	on_logout => sub {
1549	my ($pl) = @_;
1550		2616
1551	# abort map switching before logout	2617	Moves the player to the given map-path and coordinates by first freezing
1552	if ($pl->ob->{_link_pos}) {	2618	her, loading and preparing them map, calling the provided $check callback
1553	cf::sync_job {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1554	$pl->ob->leave_link	2620	the new (success) or old (failed) map position. In either case, $done will
1555	};	2621	be called at the end of this process.
1556	}
1557	},
1558	on_login => sub {
1559	my ($pl) = @_;
1560		2622
1561	# try to abort aborted map switching on player login :)	2623	Note that $check will be called with a potentially non-loaded map, so if
1562	# should happen only on crashes	2624	it needs a loaded map it has to call C<< ->load >>.
1563	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;
1565	cf::async {
1566	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;
1570	};
1571	}
1572	},
1573	);
1574		2625
1575	=item $player_object->goto_map ($path, $x, $y)
1576
1577	=cut	2626	=cut
1578		2627
		2628	our $GOTOGEN;
		2629
1579	sub cf::object::player::goto_map {	2630	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
		2632
		2633	# do generation counting so two concurrent goto's will be executed in-order
		2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1581		2635
1582	$self->enter_link;	2636	$self->enter_link;
1583		2637
1584	(cf::async {	2638	(async {
1585	$path = new cf::path $path;	2639	$Coro::current->{desc} = "player::goto $path $x $y";
1586		2640
1587	my $map = cf::map::find $path->as_string;	2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
		2660	my $map = eval {
		2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1588	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
1589		2665	$map = $check->($map) if $check && $map;
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	2666	} else {
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
1594		2669
		2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
		2676	}
		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1595	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1596	})->prio (1);	2684	})->prio (1);
1597	}	2685	}
1598		2686
1599	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1600		2688
…		…
1602		2690
1603	sub parse_random_map_params {	2691	sub parse_random_map_params {
1604	my ($spec) = @_;	2692	my ($spec) = @_;
1605		2693
1606	my $rmp = { # defaults	2694	my $rmp = { # defaults
1607	xsize => 10,	2695	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	2696	ysize => (cf::rndm 15, 40),
		2697	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2698	#layout => string,
1609	};	2699	};
1610		2700
1611	for (split /\n/, $spec) {	2701	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	2702	my ($k, $v) = split /\s+/, $_, 2;
1613		2703
…		…
1625	# that depends on the exit object	2715	# that depends on the exit object
1626		2716
1627	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
1628		2718
1629	if ($exit->map) {	2719	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	2720	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1634	}	2726	}
1635		2727
1636	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1637		2729
1638	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1639	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
		2732	my $meta = "$RANDOMDIR/$md5.meta";
1640		2733
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
		2736	undef $fh;
		2737	aio_rename "$meta~", $meta;
1643		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1644	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1646	}	2745	}
1647	}	2746	}
1648		2747
1649	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
1651		2750
1652	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1653		2752
1654	$self->enter_link;	2753	$self->enter_link;
1655		2754
1656	(cf::async {	2755	(async {
1657	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1658	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
1659	prepare_random_map $exit	2765	prepare_random_map $exit
1660	if $exit->slaying eq "/!";	2766	if $exit->slaying eq "/!";
		2767	}
1661		2768
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
1664		2772
		2773	$self->goto ($map, $x, $y);
		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1665	1;	2779	1
1666	}) {	2780	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1668	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	2783	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2785
1672	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2787	$self->leave_link;
1674	}	2788	}
1675	})->prio (1);	2789	})->prio (1);
…		…
1688		2802
1689	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
1691		2805
1692	utf8::encode $text;	2806	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2808	}
1695		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
		2997	=item $client->ext_msg ($type, @msg)
		2998
		2999	Sends an ext event to the client.
		3000
		3001	=cut
		3002
		3003	sub cf::client::ext_msg($$@) {
		3004	my ($self, $type, @msg) = @_;
		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
		3009	push @msg, msgtype => "event_$type";
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
		3030	}
1696		3031
1697	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
1698		3033
1699	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1701	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1702		3037
1703	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
1704	reliable at some point in the future.	3039	become reliable at some point in the future.
1705		3040
1706	=cut	3041	=cut
1707		3042
1708	sub cf::client::query {	3043	sub cf::client::query {
1709	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
1717	utf8::encode $text;	3052	utf8::encode $text;
1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719		3054
1720	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
1721	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
1722	}	3059	}
1723		3060
1724	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
1725	on_reply => sub {	3067	on_reply => sub {
1726	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
1727		3069
1728	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
1729	# get handled first	3071	# get handled first
1730	my $queue = delete $ns->{query_queue}	3072	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	3073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		3074
1733	(shift @$queue)->[1]->($msg);	3075	(shift @$queue)->[1]->($msg);
		3076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		3077
1735	push @{ $ns->{query_queue} }, @$queue;	3078	push @{ $ns->{query_queue} }, @$queue;
1736		3079
1737	if (@{ $ns->{query_queue} } == @$queue) {	3080	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	3081	if (@$queue) {
…		…
1740	} else {	3083	} else {
1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742	}	3085	}
1743	}	3086	}
1744	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
1745	);	3114	);
1746		3115
1747	=item $client->coro (\&cb)	3116	=item $client->async (\&cb)
1748		3117
1749	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	3119	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	3120	or loss of connection).
1752		3121
1753	=cut	3122	=cut
1754		3123
1755	sub cf::client::coro {	3124	sub cf::client::async {
1756	my ($self, $cb) = @_;	3125	my ($self, $cb) = @_;
1757		3126
1758	my $coro = &cf::async ($cb);	3127	my $coro = &Coro::async ($cb);
1759		3128
1760	$coro->on_destroy (sub {	3129	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	3130	delete $self->{_coro}{$coro+0};
1762	});	3131	});
1763		3132
…		…
1790	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
1791	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
1792		3161
1793	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
1794		3163
1795	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
1796		3169
1797	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
1798		3171
1799	=pod	3172	=pod
1800		3173
1801	The following fucntions and emthods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
1802		3175
1803	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
1804	cf::object::player player	3181	cf::object::player
1805	cf::player peaceful	3182	player
1806	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
1807		3189
1808	=cut	3190	=cut
1809		3191
1810	for (	3192	for (
1811	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
1812	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
1813	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
1814	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
1815	) {	3199	) {
1816	no strict 'refs';	3200	no strict 'refs';
1817	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
1818	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1836		3220
1837	my $qcode = $code;	3221	my $qcode = $code;
1838	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1839	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
1840		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
1841	local $_;	3228	local $_;
1842	local @safe::cf::_safe_eval_args = values %vars;
1843		3229
1844	my $eval =	3230	my $eval =
1845	"do {\n"	3231	"do {\n"
1846	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1847	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
1848	. $code	3234	. $code
1849	. "\n}"	3235	. "\n}"
1850	;	3236	;
1851		3237
		3238	if ($CFG{safe_eval}) {
1852	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
1853	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1854	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
1855		3247
1856	if ($@) {	3248	if ($@) {
1857	warn "$@";	3249	warn "$@";
1858	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
1859	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1878	=cut	3270	=cut
1879		3271
1880	sub register_script_function {	3272	sub register_script_function {
1881	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
1882		3274
1883	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
1884	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
1885	}	3277	}
1886		3278
1887	=back	3279	=back
1888		3280
1889	=cut	3281	=cut
1890		3282
1891	#############################################################################	3283	#############################################################################
		3284	# the server's init and main functions
1892		3285
1893	=head2 EXTENSION DATABASE SUPPORT	3286	sub load_facedata($) {
		3287	my ($path) = @_;
1894		3288
1895	Crossfire maintains a very simple database for extension use. It can	3289	# HACK to clear player env face cache, we need some signal framework
1896	currently store anything that can be serialised using Storable, which	3290	# for this (global event?)
1897	excludes objects.	3291	%ext::player_env::MUSIC_FACE_CACHE = ();
1898		3292
1899	The parameter C<$family> should best start with the name of the extension	3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1900	using it, it should be unique.
1901		3294
1902	=over 4	3295	warn "loading facedata from $path\n";
1903		3296
1904	=item $hashref = cf::db_get $family	3297	my $facedata;
		3298	0 < aio_load $path, $facedata
		3299	or die "$path: $!";
1905		3300
1906	Return a hashref for use by the extension C<$family>, which can be	3301	$facedata = Coro::Storable::thaw $facedata;
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909		3302
1910	=item $value = cf::db_get $family => $key	3303	$facedata->{version} == 2
		3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
1911		3305
1912	Returns a single value from the database	3306	# patch in the exptable
1913		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1914	=item cf::db_put $family => $hashref	3308	$facedata->{resource}{"res/exp_table"} = {
1915		3309	type => FT_RSRC,
1916	Stores the given family hashref into the database. Updates are delayed, if	3310	data => $exp_table,
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3311	hash => (Digest::MD5::md5 $exp_table),
1918
1919	=item cf::db_put $family => $key => $value
1920
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931
1932	=cut
1933
1934	our $DB;
1935
1936	{
1937	my $path = cf::localdir . "/database.pst";
1938
1939	sub db_load() {
1940	$DB = stat $path ? Storable::retrieve $path : { };
1941	}
1942
1943	my $pid;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	3312	};
		3313	cf::cede_to_tick;
1965		3314
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}	3315	{
		3316	my $faces = $facedata->{faceinfo};
1970		3317
1971	sub db_get($;$) {	3318	while (my ($face, $info) = each %$faces) {
1972	@_ >= 2	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		3320
1977	sub db_put($$;$) {	3321	cf::face::set_visibility $idx, $info->{visibility};
1978	if (@_ >= 3) {	3322	cf::face::set_magicmap $idx, $info->{magicmap};
1979	$DB->{$_[0]}{$_[1]} = $_[2];	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1980	} else {	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985		3325
1986	cf::global->attach (	3326	cf::cede_to_tick;
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	3327	}
1991	);
1992	}
1993		3328
1994	#############################################################################	3329	while (my ($face, $info) = each %$faces) {
1995	# the server's main()	3330	next unless $info->{smooth};
1996		3331
1997	sub cfg_load {	3332	my $idx = cf::face::find $face
		3333	or next;
		3334
		3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
		3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3338	} else {
		3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3340	}
		3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
		3346	{
		3347	my $anims = $facedata->{animinfo};
		3348
		3349	while (my ($anim, $info) = each %$anims) {
		3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3351	cf::cede_to_tick;
		3352	}
		3353
		3354	cf::anim::invalidate_all; # d'oh
		3355	}
		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
		3376	1
		3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
		3446	sub reload_resources {
		3447	warn "reloading resource files...\n";
		3448
		3449	reload_facedata;
		3450	reload_archetypes;
		3451	reload_regions;
		3452	reload_treasures;
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
1998	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
1999	or return;	3461	or return;
2000		3462
2001	local $/;	3463	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2003		3465
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3467
		3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2005		3470
2006	if (exists $CFG{mlockall}) {	3471	if (exists $CFG{mlockall}) {
2007	eval {	3472	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	3475	};
2011	warn $@ if $@;	3476	warn $@ if $@;
2012	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2013	}	3508	}
2014		3509
2015	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2016	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	3528	(async {
2020	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
2021	})->();	3530	EV::loop EV::LOOP_ONESHOT;
		3531	})->prio (Coro::PRIO_MAX);
2022	};	3532	};
2023		3533
2024	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
2025	db_load;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
		3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2026	load_extensions;	3553	load_extensions;
2027	Event::loop;	3554
		3555	utime time, time, $RUNTIMEFILE;
		3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2028	}	3565	}
2029		3566
2030	#############################################################################	3567	#############################################################################
2031	# initialisation	3568	# initialisation and cleanup
2032		3569
		3570	# install some emergency cleanup handlers
		3571	BEGIN {
		3572	our %SIGWATCHER = ();
		3573	for my $signal (qw(INT HUP TERM)) {
		3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3575	cf::cleanup "SIG$signal";
		3576	};
		3577	}
		3578	}
		3579
		3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
		3583	# first touch the runtime file to show we are still running:
		3584	# the fsync below can take a very very long time.
		3585
		3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3587
		3588	my $guard = cf::lock_acquire "write_runtime";
		3589
		3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3591	or return;
		3592
		3593	my $value = $cf::RUNTIME + 90 + 10;
		3594	# 10 is the runtime save interval, for a monotonic clock
		3595	# 60 allows for the watchdog to kill the server.
		3596
		3597	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3598	and return;
		3599
		3600	# always fsync - this file is important
		3601	aio_fsync $fh
		3602	and return;
		3603
		3604	# touch it again to show we are up-to-date
		3605	aio_utime $fh, undef, undef;
		3606
		3607	close $fh
		3608	or return;
		3609
		3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3611	and return;
		3612
		3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3614
		3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
		3666	}
		3667
		3668	sub emergency_save() {
		3669	my $freeze_guard = cf::freeze_mainloop;
		3670
		3671	warn "emergency_perl_save: enter\n";
		3672
		3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
		3679	# use a peculiar iteration method to avoid tripping on perl
		3680	# refcount bugs in for. also avoids problems with players
		3681	# and maps saved/destroyed asynchronously.
		3682	warn "emergency_perl_save: begin player save\n";
		3683	for my $login (keys %cf::PLAYER) {
		3684	my $pl = $cf::PLAYER{$login} or next;
		3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3687	$pl->save;
		3688	}
		3689	warn "emergency_perl_save: end player save\n";
		3690
		3691	warn "emergency_perl_save: begin map save\n";
		3692	for my $path (keys %cf::MAP) {
		3693	my $map = $cf::MAP{$path} or next;
		3694	$map->valid or next;
		3695	$map->save;
		3696	}
		3697	warn "emergency_perl_save: end map save\n";
		3698
		3699	warn "emergency_perl_save: begin database checkpoint\n";
		3700	BDB::db_env_txn_checkpoint $DB_ENV;
		3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
		3706	};
		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
		3713	warn "emergency_perl_save: leave\n";
		3714	}
		3715
		3716	sub post_cleanup {
		3717	my ($make_core) = @_;
		3718
		3719	warn Carp::longmess "post_cleanup backtrace"
		3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
		3750	}
		3751
2033	sub reload() {	3752	sub do_reload_perl() {
2034	# can/must only be called in main	3753	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	3755	warn "can only reload from main coroutine";
2037	return;	3756	return;
2038	}	3757	}
2039		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2040	warn "reloading...";	3764	warn "reloading...";
2041		3765
2042	my $guard = freeze_mainloop;	3766	warn "entering sync_job";
		3767
		3768	cf::sync_job {
		3769	cf::write_runtime_sync; # external watchdog should not bark
2043	cf::emergency_save;	3770	cf::emergency_save;
		3771	cf::write_runtime_sync; # external watchdog should not bark
2044		3772
2045	eval {	3773	warn "syncing database to disk";
		3774	BDB::db_env_txn_checkpoint $DB_ENV;
		3775
2046	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2047		3777
2048	# cancel all watchers	3778	warn "flushing outstanding aio requests";
2049	for (Event::all_watchers) {	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2051	}
2052
2053	# cancel all extension coros
2054	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();
2056
2057	# unload all extensions
2058	for (@exts) {
2059	warn "unloading <$_>";
2060	unload_extension $_;
2061	}
2062
2063	# unload all modules loaded from $LIBDIR
2064	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066
2067	warn "removing <$k>";
2068	delete $INC{$k};
2069
2070	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;
2072
2073	if (my $cb = $k->can ("unload_module")) {
2074	$cb->();
2075	}	3781	}
2076		3782
2077	Symbol::delete_package $k;	3783	warn "cancelling all extension coros";
		3784	$_->cancel for values %EXT_CORO;
		3785	%EXT_CORO = ();
		3786
		3787	warn "removing commands";
		3788	%COMMAND = ();
		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
		3796	warn "... unloading $pkg";
		3797
		3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
		3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
2078	}	3807	}
2079		3808
2080	# sync database to disk	3809	warn "unloading all perl modules loaded from $LIBDIR";
2081	cf::db_sync;	3810	while (my ($k, $v) = each %INC) {
2082	IO::AIO::flush;	3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2083		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
		3824	}
		3825
2084	# get rid of safe::, as good as possible	3826	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		3829
2088	# remove register_script_function callbacks	3830	warn "unloading cf.pm \"a bit\"";
2089	# TODO
2090
2091	# unload cf.pm "a bit"
2092	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
		3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2093		3833
2094	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
2095	# and global variables created in xs	3835	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
2097		3837
2098	# reload cf.pm	3838	warn "unload completed, starting to reload now";
		3839
2099	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
2100	require cf;	3841	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
2102		3843
2103	# load config and database again	3844	warn "loading config and database again";
2104	cf::cfg_load;	3845	cf::reload_config;
2105	cf::db_load;
2106		3846
2107	# load extensions
2108	warn "load extensions";	3847	warn "loading extensions";
2109	cf::load_extensions;	3848	cf::load_extensions;
2110		3849
2111	# reattach attachments to objects	3850	if ($REATTACH_ON_RELOAD) {
		3851	warn "reattaching attachments to objects/players";
		3852	_global_reattach; # objects, sockets
		3853	warn "reattaching attachments to maps";
		3854	reattach $_ for values %MAP;
		3855	warn "reattaching attachments to players";
		3856	reattach $_ for values %PLAYER;
		3857	}
		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
		3862	warn "leaving sync_job";
		3863
		3864	1
		3865	} or do {
		3866	warn $@;
		3867	cf::cleanup "error while reloading, exiting.";
		3868	};
		3869
2112	warn "reattach";	3870	warn "reloaded";
2113	_global_reattach;	3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
		3876	};
		3877
		3878	our $RELOAD_WATCHER; # used only during reload
		3879
		3880	sub reload_perl() {
		3881	# doing reload synchronously and two reloads happen back-to-back,
		3882	# coro crashes during coro_state_free->destroy here.
		3883
		3884	$RELOAD_WATCHER ||= cf::async {
		3885	Coro::AIO::aio_wait cache_extensions;
		3886
		3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3888	do_reload_perl;
		3889	undef $RELOAD_WATCHER;
		3890	};
2114	};	3891	};
2115
2116	if ($@) {
2117	warn $@;
2118	warn "error while reloading, exiting.";
2119	exit 1;
2120	}
2121
2122	warn "reloaded successfully";
2123	};
2124
2125	#############################################################################
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	3892	}
2167
2168	register "<global>", __PACKAGE__;
2169		3893
2170	register_command "reload" => sub {	3894	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
2172		3896
2173	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
		3901	reload_perl;
		3902	};
2177	}	3903	}
2178	};	3904	};
2179		3905
2180	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
2181		3907
2182	$TICK_WATCHER = Event->timer (	3908	my $bug_warning = 0;
2183	reentrant => 0,	3909
2184	prio => 0,	3910	our @WAIT_FOR_TICK;
2185	at => $NEXT_TICK || $TICK,	3911	our @WAIT_FOR_TICK_BEGIN;
2186	data => WF_AUTOCANCEL,	3912
2187	cb => sub {	3913	sub wait_for_tick {
		3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3915
		3916	my $signal = new Coro::Signal;
		3917	push @WAIT_FOR_TICK, $signal;
		3918	$signal->wait;
		3919	}
		3920
		3921	sub wait_for_tick_begin {
		3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3923
		3924	my $signal = new Coro::Signal;
		3925	push @WAIT_FOR_TICK_BEGIN, $signal;
		3926	$signal->wait;
		3927	}
		3928
		3929	sub tick {
		3930	if ($Coro::current != $Coro::main) {
		3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3932	unless ++$bug_warning > 10;
		3933	return;
		3934	}
		3935
2188	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;
2191		3937
2192	# if we are delayed by four ticks or more, skip them all	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2194		3939
2195	$TICK_WATCHER->at ($NEXT_TICK);	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2196	$TICK_WATCHER->start;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2197	},	3942	Coro::async_pool {
2198	);	3943	$Coro::current->{desc} = "runtime saver";
2199
2200	IO::AIO::max_poll_time $TICK * 0.2;
2201
2202	Event->io (
2203	fd => IO::AIO::poll_fileno,
2204	poll => 'r',
2205	prio => 5,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,
2212	after => 0,
2213	interval => 10,
2214	cb => sub {
2215	(Coro::unblock_sub {
2216	write_runtime	3944	write_runtime_sync
2217	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
2218	})->();	3946	};
2219	},	3947	}
2220	);	3948
		3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3950	$sig->send;
		3951	}
		3952	while (my $sig = shift @WAIT_FOR_TICK) {
		3953	$sig->send;
		3954	}
		3955
		3956	$LOAD = ($NOW - $TICK_START) / $TICK;
		3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3958
		3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
		3967
		3968	{
		3969	# configure BDB
		3970
		3971	BDB::min_parallel 16;
		3972	BDB::max_poll_reqs $TICK * 0.1;
		3973	$AnyEvent::BDB::WATCHER->priority (1);
		3974
		3975	unless ($DB_ENV) {
		3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3982
		3983	cf::sync_job {
		3984	eval {
		3985	BDB::db_env_open
		3986	$DB_ENV,
		3987	$BDBDIR,
		3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3990	0666;
		3991
		3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3993	};
		3994
		3995	cf::cleanup "db_env_open(db): $@" if $@;
		3996	};
		3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
		4008	}
		4009
		4010	{
		4011	# configure IO::AIO
		4012
		4013	IO::AIO::min_parallel 8;
		4014	IO::AIO::max_poll_time $TICK * 0.1;
		4015	undef $AnyEvent::AIO::WATCHER;
		4016	}
		4017
		4018	my $_log_backtrace;
		4019
		4020	sub _log_backtrace {
		4021	my ($msg, @addr) = @_;
		4022
		4023	$msg =~ s/\n//;
		4024
		4025	# limit the # of concurrent backtraces
		4026	if ($_log_backtrace < 2) {
		4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
		4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
		4032	my @bt = fork_call {
		4033	@addr = map { sprintf "%x", $_ } @addr;
		4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4036	or die "addr2line: $!";
		4037
		4038	my @funcs;
		4039	my @res = <$fh>;
		4040	chomp for @res;
		4041	while (@res) {
		4042	my ($func, $line) = splice @res, 0, 2, ();
		4043	push @funcs, "[$func] $line";
		4044	}
		4045
		4046	@funcs
		4047	};
		4048
		4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4051	LOG llevInfo, "[ABT] $_\n" for @bt;
		4052	--$_log_backtrace;
		4053	};
		4054	} else {
		4055	LOG llevInfo, "[ABT] $msg\n";
		4056	LOG llevInfo, "[ABT] [suppressed]\n";
		4057	}
		4058	}
		4059
		4060	# load additional modules
		4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
2221		4063
2222	END { cf::emergency_save }	4064	END { cf::emergency_save }
2223		4065
2224	1	4066	1
2225		4067

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