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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.503 by root, Sat Jan 30 23:46:39 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		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	337
181	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
182	}	353	}
183		354
184	=item cf::lock_wait $string	355	=item cf::lock_wait $string
185		356
186	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
187		358
188	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
189		360
190	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
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
193	returned.	364	returned.
194		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
195	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
196	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
197		371
198	=cut	372	=item $locked = cf::lock_active $string
199		373
200	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
201		379
202	sub lock_wait($) {	380	sub lock_wait($) {
203	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	382	}
211		383
212	sub lock_acquire($) {	384	sub lock_acquire($) {
213	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
214		387
215	# wait, to be sure we are not locked	388	sub lock_active($) {
216	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
		390	}
217		391
218	$LOCK{$key} = [];	392	sub freeze_mainloop {
		393	tick_inhibit_inc;
219		394
220	Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
221	# wake up all waiters, to be on the safe side	396	}
222	$_->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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
223	}	462	}
		463	};
		464
		465	sub get_slot($;$$) {
		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	$sig->wait;
224	}	478	}
225		479
226	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
227		481
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	482	Currently the same as Coro::async_pool, meaning you cannot use
229	error instead of exiting the server in case of a problem.	483	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		484	thing you are allowed to do is call C<prio> on it.
230		485
231	=cut	486	=cut
232		487
233	sub async(&) {	488	BEGIN { *async = \&Coro::async_pool }
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;
244
245	my $guard = Coro::guard { $TICK_WATCHER->start };
246	$TICK_WATCHER->stop;
247	$guard
248	}
249		489
250	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
251		491
252	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
255		496
256	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
259	fast or be very important.	500	fast or be very important.
…		…
262		503
263	sub sync_job(&) {	504	sub sync_job(&) {
264	my ($job) = @_;	505	my ($job) = @_;
265		506
266	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
267	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
269		512
270	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	514
272	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
273		516
274	my $busy = 1;	517	my $busy = 1;
275	my @res;	518	my @res;
276		519
277	(Coro::async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	522	@res = eval { $job->() };
279	warn $@ if $@;	523	warn $@ if $@;
280	undef $busy;	524	undef $busy;
281	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
282		526
283	while ($busy) {	527	while ($busy) {
		528	if (Coro::nready) {
284	Coro::cede_notself;	529	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
286	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
287		538
288	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
289	} else {	540	} else {
290	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
291		542
292	$job->()	543	$job->()
293	}	544	}
294	}	545	}
295		546
296	=item $coro = cf::coro { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
297		548
298	Creates and returns a new coro. This coro is automcatially being canceled	549	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	550	extension calling this is being unloaded.
300		551
301	=cut	552	=cut
302		553
303	sub coro(&) {	554	sub async_ext(&) {
304	my $cb = shift;	555	my $cb = shift;
305		556
306	my $coro = &cf::async ($cb);	557	my $coro = &Coro::async ($cb);
307		558
308	$coro->on_destroy (sub {	559	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	560	delete $EXT_CORO{$coro+0};
310	});	561	});
311	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
312		563
313	$coro	564	$coro
314	}	565	}
315		566
316	sub write_runtime {	567	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		568
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
320	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.
321		573
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		575
326	aio_fsync $fh	576	sub fork_call(&@) {
327	and return;	577	my ($cb, @args) = @_;
328		578
329	close $fh	579	# we seemingly have to make a local copy of the whole thing,
330	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
331		582
332	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
333	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
334		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
335	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 => $type });
336	}	754	}
337		755
338	=back	756	=back
339		757
340	=cut	758	=cut
341		759
342	#############################################################################	760	#############################################################################
343		761
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461
462	#############################################################################
463
464	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
465		763
466	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
467	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")
468	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
469		767
470	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>
471	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
472	crossfire+).	770	Deliantra).
473		771
474	=over 4	772	=over 4
475		773
476	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
477		775
…		…
521	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
522		820
523	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
524	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
525		823
526	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
527	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.
528		826
529	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
530		828
531	=over 4	829	=over 4
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	890	our @CB_MAP = ();
593		891
594	my %attachment;	892	my %attachment;
595		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
596	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
598		902
599	use sort 'stable';	903	use sort 'stable';
600		904
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
635		939
636	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		944
641	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	946	my $pkg = shift @arg;
643		947
644	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
674	}	978	}
675		979
676	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
677	} else {	981	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	983	}
680		984
681	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
682	}	986	}
683		987
…		…
685	if (ref $_[0]) {	989	if (ref $_[0]) {
686	_object_attach @_;	990	_object_attach @_;
687	} else {	991	} else {
688	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
689	}	993	}
		994	_recalc_want;
690	};	995	};
691		996
692	# all those should be optimised	997	# all those should be optimised
693	sub cf::attachable::detach {	998	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
698	reattach ($obj);	1003	reattach ($obj);
699	} else {	1004	} else {
700	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
701	}	1006	}
		1007	_recalc_want;
702	};	1008	};
703		1009
704	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
706		1012
…		…
721	";	1027	";
722	die if $@;	1028	die if $@;
723	}	1029	}
724		1030
725	our $override;	1031	our $override;
726	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?
727		1033
728	sub override {	1034	sub override {
729	$override = 1;	1035	$override = 1;
730	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
731	}	1037	}
732		1038
733	sub do_invoke {	1039	sub do_invoke {
734	my $event = shift;	1040	my $event = shift;
735	my $callbacks = shift;	1041	my $callbacks = shift;
736		1042
737	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
738		1044
739	local $override;	1045	local $override;
740		1046
741	for (@$callbacks) {	1047	for (@$callbacks) {
742	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
751	}	1057	}
752		1058
753	0	1059	0
754	}	1060	}
755		1061
756	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
757		1063
758	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
759		1065
760	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
761		1067
762	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
763	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
764	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		1071
766	=back	1072	=back
767		1073
768	=cut	1074	=cut
769		1075
770	#############################################################################	1076	#############################################################################
771	# 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	}
772		1120
773	sub reattach {	1121	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
775	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
776		1127
777	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
778		1129
779	@$registry = ();	1130	@$registry = ();
780		1131
…		…
795	cf::attachable->attach (	1146	cf::attachable->attach (
796	prio => -1000000,	1147	prio => -1000000,
797	on_instantiate => sub {	1148	on_instantiate => sub {
798	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
799		1150
800	$data = from_json $data;	1151	$data = decode_json $data;
801		1152
802	for (@$data) {	1153	for (@$data) {
803	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
804		1155
805	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
821	sub object_freezer_save {	1172	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
823		1174
824	sync_job {	1175	sync_job {
825	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
826	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
828		1180
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
831	aio_write $fh, 0, (length $$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;
832	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
833	close $fh;	1188	aio_close $fh;
834		1189
835	if (@$objs) {	1190	if (@$objs) {
836	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) {
837	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
839	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;
840	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
841	close $fh;	1199	aio_close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
843	}	1201	}
844	} else {	1202	} else {
845	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
846	}	1204	}
847		1205
848	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
849	} else {	1210	} else {
850	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
851	}	1212	}
852	} else {	1213	} else {
853	aio_unlink $filename;	1214	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
855	}	1216	}
856	}	1217	};
857	}	1218	}
858		1219
859	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
861		1222
…		…
873	or return;	1234	or return;
874		1235
875	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
877	or return;	1238	or return;
		1239
878	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
879	}	1242	}
880		1243
		1244	utf8::decode (my $decname = $filename);
881	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
883	return ($data, $av);	1248	($data, $av)
884	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
885		1256
886	#############################################################################	1257	#############################################################################
887	# command handling &c	1258	# command handling &c
888		1259
889	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1274	}
904		1275
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1277
907	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.
908		1283
909	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
910	called.	1285	called.
911		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
912	=cut	1298	=cut
913		1299
914	sub register_extcmd {	1300	sub register_extcmd {
915	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
916		1302
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
921	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
922		1313
923	cf::player->attach (	1314	cf::player->attach (
924	on_command => sub {	1315	on_command => sub {
925	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
926		1317
…		…
934	cf::override;	1325	cf::override;
935	},	1326	},
936	on_extcmd => sub {	1327	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
938		1329
939	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1331
941	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
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
947	} else {	1347	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1349	}
950		1350
951	cf::override;	1351	cf::override;
952	},	1352	},
953	);	1353	);
954		1354
955	sub register {	1355	# "readahead" all extensions
956	my ($base, $pkg) = @_;	1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
957		1358
958	#TODO	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	}	1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
960		1364
		1365	$grp
		1366	}
		1367
961	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 %done;
		1405	while (%todo) {
		1406	my $progress;
		1407
		1408	while (my ($k, $v) = each %todo) {
		1409	for (split /,\s*/, $v->{meta}{depends}) {
		1410	goto skip
		1411	unless exists $done{$_};
		1412	}
		1413
		1414	warn "... loading '$k' into '$v->{pkg}'\n";
		1415
		1416	unless (eval $v->{source}) {
		1417	my $msg = $@ ? "$v->{path}: $@\n"
		1418	: "$v->{base}: extension inactive.\n";
		1419
		1420	if (exists $v->{meta}{mandatory}) {
		1421	warn $msg;
		1422	cf::cleanup "mandatory extension failed to load, exiting.";
		1423	}
		1424
		1425	warn $msg;
		1426	}
		1427
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431	}
		1432
		1433	skip:
		1434	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1435	unless $progress;
		1436	}
		1437	};
		1438	}
		1439
		1440	#############################################################################
		1441
		1442	=back
		1443
		1444	=head2 CORE EXTENSIONS
		1445
		1446	Functions and methods that extend core deliantra objects.
		1447
		1448	=cut
		1449
		1450	package cf::player;
		1451
		1452	use Coro::AIO;
		1453
		1454	=head3 cf::player
		1455
		1456	=over 4
		1457
		1458	=item cf::player::num_playing
		1459
		1460	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1461
		1462	=cut
		1463
		1464	sub num_playing {
		1465	scalar grep
		1466	$_->ob->map
		1467	&& !$_->hidden
		1468	&& !$_->ob->flag (cf::FLAG_WIZ),
		1469	cf::player::list
		1470	}
		1471
		1472	=item cf::player::find $login
		1473
		1474	Returns the given player object, loading it if necessary (might block).
		1475
		1476	=cut
		1477
		1478	sub playerdir($) {
		1479	"$PLAYERDIR/"
		1480	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1481	}
		1482
		1483	sub path($) {
		1484	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1485
		1486	(playerdir $login) . "/playerdata"
		1487	}
		1488
		1489	sub find_active($) {
		1490	$cf::PLAYER{$_[0]}
		1491	and $cf::PLAYER{$_[0]}->active
		1492	and $cf::PLAYER{$_[0]}
		1493	}
		1494
		1495	sub exists($) {
		1496	my ($login) = @_;
		1497
		1498	$cf::PLAYER{$login}
		1499	or !aio_stat path $login
		1500	}
		1501
		1502	sub find($) {
		1503	return $cf::PLAYER{$_[0]} || do {
		1504	my $login = $_[0];
		1505
		1506	my $guard = cf::lock_acquire "user_find:$login";
		1507
		1508	$cf::PLAYER{$_[0]} || do {
		1509	# rename old playerfiles to new ones
		1510	#TODO: remove when no longer required
		1511	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1512	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1513	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1514	aio_unlink +(playerdir $login) . "/$login.pl";
		1515
		1516	my $f = new_from_file cf::object::thawer path $login
		1517	or return;
		1518
		1519	my $pl = cf::player::load_pl $f
		1520	or return;
		1521
		1522	local $cf::PLAYER_LOADING{$login} = $pl;
		1523	$f->resolve_delayed_derefs;
		1524	$cf::PLAYER{$login} = $pl
		1525	}
		1526	}
		1527	}
		1528
		1529	sub save($) {
		1530	my ($pl) = @_;
		1531
		1532	return if $pl->{deny_save};
		1533
		1534	my $path = path $pl;
		1535	my $guard = cf::lock_acquire "user_save:$path";
		1536
		1537	return if $pl->{deny_save};
		1538
		1539	aio_mkdir playerdir $pl, 0770;
		1540	$pl->{last_save} = $cf::RUNTIME;
		1541
		1542	cf::get_slot 0.01;
		1543
		1544	$pl->save_pl ($path);
		1545	cf::cede_to_tick;
		1546	}
		1547
		1548	sub new($) {
		1549	my ($login) = @_;
		1550
		1551	my $self = create;
		1552
		1553	$self->ob->name ($login);
		1554	$self->{deny_save} = 1;
		1555
		1556	$cf::PLAYER{$login} = $self;
		1557
		1558	$self
		1559	}
		1560
		1561	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1562
		1563	=cut
		1564
		1565	sub send_msg {
		1566	my $ns = shift->ns
		1567	or return;
		1568	$ns->send_msg (@_);
		1569	}
		1570
		1571	=item $pl->quit_character
		1572
		1573	Nukes the player without looking back. If logged in, the connection will
		1574	be destroyed. May block for a long time.
		1575
		1576	=cut
		1577
		1578	sub quit_character {
		1579	my ($pl) = @_;
		1580
		1581	my $name = $pl->ob->name;
		1582
		1583	$pl->{deny_save} = 1;
		1584	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1585
		1586	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1587	$pl->deactivate;
		1588	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1589	$pl->ob->check_score;
		1590	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1591	$pl->ns->destroy if $pl->ns;
		1592
		1593	my $path = playerdir $pl;
		1594	my $temp = "$path~$cf::RUNTIME~deleting~";
		1595	aio_rename $path, $temp;
		1596	delete $cf::PLAYER{$pl->ob->name};
		1597	$pl->destroy;
		1598
		1599	my $prefix = qr<^~\Q$name\E/>;
		1600
		1601	# nuke player maps
		1602	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1603
		1604	IO::AIO::aio_rmtree $temp;
		1605	}
		1606
		1607	=item $pl->kick
		1608
		1609	Kicks a player out of the game. This destroys the connection.
		1610
		1611	=cut
		1612
		1613	sub kick {
		1614	my ($pl, $kicker) = @_;
		1615
		1616	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1617	$pl->killer ("kicked");
		1618	$pl->ns->destroy;
		1619	}
		1620
		1621	=item cf::player::list_logins
		1622
		1623	Returns am arrayref of all valid playernames in the system, can take a
		1624	while and may block, so not sync_job-capable, ever.
		1625
		1626	=cut
		1627
		1628	sub list_logins {
		1629	my $dirs = aio_readdir $PLAYERDIR
		1630	or return [];
		1631
		1632	my @logins;
		1633
		1634	for my $login (@$dirs) {
		1635	my $path = path $login;
		1636
		1637	# a .pst is a dead give-away for a valid player
		1638	# if no pst file found, open and chekc for blocked users
		1639	if (aio_stat "$path.pst") {
		1640	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1641	aio_read $fh, 0, 512, my $buf, 0 or next;
		1642	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1643	}
		1644
		1645	utf8::decode $login;
		1646	push @logins, $login;
		1647	}
		1648
		1649	\@logins
		1650	}
		1651
		1652	=item $player->maps
		1653
		1654	Returns an arrayref of map paths that are private for this
		1655	player. May block.
		1656
		1657	=cut
		1658
		1659	sub maps($) {
		1660	my ($pl) = @_;
		1661
		1662	$pl = ref $pl ? $pl->ob->name : $pl;
		1663
		1664	my $files = aio_readdir playerdir $pl
		1665	or return;
		1666
		1667	my @paths;
		1668
		1669	for (@$files) {
		1670	utf8::decode $_;
		1671	next if /\.(?:pl|pst)$/;
		1672	next unless /^$PATH_SEP/o;
		1673
		1674	push @paths, cf::map::normalise "~$pl/$_";
		1675	}
		1676
		1677	\@paths
		1678	}
		1679
		1680	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1681
		1682	Expand deliantra pod fragments into protocol xml.
		1683
		1684	=item $player->ext_reply ($msgid, @msg)
		1685
		1686	Sends an ext reply to the player.
		1687
		1688	=cut
		1689
		1690	sub ext_reply($$@) {
		1691	my ($self, $id, @msg) = @_;
		1692
		1693	$self->ns->ext_reply ($id, @msg)
		1694	}
		1695
		1696	=item $player->ext_msg ($type, @msg)
		1697
		1698	Sends an ext event to the client.
		1699
		1700	=cut
		1701
		1702	sub ext_msg($$@) {
		1703	my ($self, $type, @msg) = @_;
		1704
		1705	$self->ns->ext_msg ($type, @msg);
		1706	}
		1707
		1708	=head3 cf::region
		1709
		1710	=over 4
		1711
		1712	=cut
		1713
		1714	package cf::region;
		1715
		1716	=item cf::region::find_by_path $path
		1717
		1718	Tries to decuce the likely region for a map knowing only its path.
		1719
		1720	=cut
		1721
		1722	sub find_by_path($) {
962	my ($path) = @_;	1723	my ($path) = @_;
963		1724
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1725	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1726
970	warn "loading '$path' into '$pkg'\n";	1727	for my $region (list) {
971		1728	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1729	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1730	if $region->specificity > $specificity;
974		1731	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1732	}
1004		1733
1005	# remove commands	1734	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1735	}
1111		1736
1112	=back	1737	=back
1113
1114		1738
1115	=head3 cf::map	1739	=head3 cf::map
1116		1740
1117	=over 4	1741	=over 4
1118		1742
…		…
1121	package cf::map;	1745	package cf::map;
1122		1746
1123	use Fcntl;	1747	use Fcntl;
1124	use Coro::AIO;	1748	use Coro::AIO;
1125		1749
		1750	use overload
		1751	'""' => \&as_string,
		1752	fallback => 1;
		1753
1126	our $MAX_RESET = 3600;	1754	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1755	our $DEFAULT_RESET = 3000;
1128		1756
1129	sub generate_random_map {	1757	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1758	my ($self, $rmp) = @_;
		1759
		1760	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1131		1761
1132	# mit "rum" bekleckern, nicht	1762	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1763	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1764	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1765	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1766	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1767	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1768	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1769	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1770	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1771	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1772	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1773	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1774	(cf::region::find $rmp->{region}), $rmp->{custom}
		1775	)
1146	}	1776	}
1147		1777
1148	# and all this just because we cannot iterate over	1778	=item cf::map->register ($regex, $prio)
1149	# all maps in C++...
1150	sub change_all_map_light {
1151	my ($change) = @_;
1152		1779
1153	$_->change_map_light ($change)	1780	Register a handler for the map path matching the given regex at the
1154	for grep $_->outdoor, values %cf::MAP;	1781	givne priority (higher is better, built-in handlers have priority 0, the
1155	}	1782	default).
1156		1783
1157	sub try_load_header($) {	1784	=cut
		1785
		1786	sub register {
		1787	my (undef, $regex, $prio) = @_;
		1788	my $pkg = caller;
		1789
		1790	no strict;
		1791	push @{"$pkg\::ISA"}, __PACKAGE__;
		1792
		1793	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1794	}
		1795
		1796	# also paths starting with '/'
		1797	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1798
		1799	sub thawer_merge {
		1800	my ($self, $merge) = @_;
		1801
		1802	# we have to keep some variables in memory intact
		1803	local $self->{path};
		1804	local $self->{load_path};
		1805
		1806	$self->SUPER::thawer_merge ($merge);
		1807	}
		1808
		1809	sub normalise {
1158	my ($path) = @_;	1810	my ($path, $base) = @_;
		1811
		1812	$path = "$path"; # make sure its a string
		1813
		1814	$path =~ s/\.map$//;
		1815
		1816	# map plan:
		1817	#
		1818	# /! non-realised random map exit (special hack!)
		1819	# {... are special paths that are not being touched
		1820	# ?xxx/... are special absolute paths
		1821	# ?random/... random maps
		1822	# /... normal maps
		1823	# ~user/... per-player map of a specific user
		1824
		1825	$path =~ s/$PATH_SEP/\//go;
		1826
		1827	# treat it as relative path if it starts with
		1828	# something that looks reasonable
		1829	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1830	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1831
		1832	$base =~ s{[^/]+/?$}{};
		1833	$path = "$base/$path";
		1834	}
		1835
		1836	for ($path) {
		1837	redo if s{//}{/};
		1838	redo if s{/\.?/}{/};
		1839	redo if s{/[^/]+/\.\./}{/};
		1840	}
		1841
		1842	$path
		1843	}
		1844
		1845	sub new_from_path {
		1846	my (undef, $path, $base) = @_;
		1847
		1848	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1849
		1850	$path = normalise $path, $base;
		1851
		1852	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1853	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1854	my $self = bless cf::map::new, $pkg;
		1855	$self->{path} = $path; $self->path ($path);
		1856	$self->init; # pass $1 etc.
		1857	return $self;
		1858	}
		1859	}
		1860
		1861	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1862	()
		1863	}
		1864
		1865	sub init {
		1866	my ($self) = @_;
		1867
		1868	$self
		1869	}
		1870
		1871	sub as_string {
		1872	my ($self) = @_;
		1873
		1874	"$self->{path}"
		1875	}
		1876
		1877	# the displayed name, this is a one way mapping
		1878	sub visible_name {
		1879	&as_string
		1880	}
		1881
		1882	# the original (read-only) location
		1883	sub load_path {
		1884	my ($self) = @_;
		1885
		1886	"$MAPDIR/$self->{path}.map"
		1887	}
		1888
		1889	# the temporary/swap location
		1890	sub save_path {
		1891	my ($self) = @_;
		1892
		1893	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1894	"$TMPDIR/$path.map"
		1895	}
		1896
		1897	# the unique path, undef == no special unique path
		1898	sub uniq_path {
		1899	my ($self) = @_;
		1900
		1901	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1902	"$UNIQUEDIR/$path"
		1903	}
		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
		1913	sub unlink_save {
		1914	my ($self) = @_;
		1915
		1916	utf8::encode (my $save = $self->save_path);
		1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1918	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1919	}
		1920
		1921	sub load_header_from($) {
		1922	my ($self, $path) = @_;
1159		1923
1160	utf8::encode $path;	1924	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1162	or return;	1926	or return;
1163		1927
1164	my $map = cf::map::new	1928	$self->_load_header ($f)
1165	or return;	1929	or return;
1166		1930
1167	# for better error messages only, will be overwritten	1931	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1932	$f->resolve_delayed_derefs;
1169		1933
1170	$map->load_header ($path)	1934	$self->{load_path} = $path;
		1935
		1936	1
		1937	}
		1938
		1939	sub load_header_orig {
		1940	my ($self) = @_;
		1941
		1942	$self->load_header_from ($self->load_path)
		1943	}
		1944
		1945	sub load_header_temp {
		1946	my ($self) = @_;
		1947
		1948	$self->load_header_from ($self->save_path)
		1949	}
		1950
		1951	sub prepare_temp {
		1952	my ($self) = @_;
		1953
		1954	$self->last_access ((delete $self->{last_access})
		1955	|| $cf::RUNTIME); #d#
		1956	# safety
		1957	$self->{instantiate_time} = $cf::RUNTIME
		1958	if $self->{instantiate_time} > $cf::RUNTIME;
		1959	}
		1960
		1961	sub prepare_orig {
		1962	my ($self) = @_;
		1963
		1964	$self->{load_original} = 1;
		1965	$self->{instantiate_time} = $cf::RUNTIME;
		1966	$self->last_access ($cf::RUNTIME);
		1967	$self->instantiate;
		1968	}
		1969
		1970	sub load_header {
		1971	my ($self) = @_;
		1972
		1973	if ($self->load_header_temp) {
		1974	$self->prepare_temp;
		1975	} else {
		1976	$self->load_header_orig
1171	or return;	1977	or return;
		1978	$self->prepare_orig;
		1979	}
1172		1980
1173	$map->{load_path} = $path;	1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
1174		1983
1175	$map	1984	$self->default_region (cf::region::find_by_path $self->{path})
		1985	unless $self->default_region;
		1986
		1987	1
1176	}	1988	}
1177		1989
1178	sub find;	1990	sub find;
1179	sub find {	1991	sub find {
1180	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1181		1993
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1995
1187	cf::lock_wait "map_find:$key";	1996	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1997	my $guard2 = cf::lock_acquire "map_find:$path";
1191		1998
1192	# do it the slow way	1999	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	2000	my $map = new_from_path cf::map $path
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	2001	or return;
1211		2002
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1224		2004
1225	Coro::cede;	2005	$map->load_header
		2006	or return;
1226		2007
1227	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1228	$map->reset;	2013	$map->reset;
1229	undef $guard;
1230	$map = find $path	2014	return find $path;
1231	or return;
1232	}	2015	}
1233		2016
1234	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1235	}	2018	}
1236	}	2019	}
		2020
		2021	sub pre_load { }
		2022	#sub post_load { } # XS
1237		2023
1238	sub load {	2024	sub load {
1239	my ($self) = @_;	2025	my ($self) = @_;
1240		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1241	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1243		2033
		2034	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1245		2036
1246	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1247		2038
1248	$self->alloc;	2039	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1250	or return;	2047	or return;
1251		2048
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1253	if delete $self->{load_original};	2050	if delete $self->{load_original};
1254		2051
1255	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	2053	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	2056	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1260	}	2060	}
1261	}	2061	}
1262		2062
1263	Coro::cede;	2063	$f->resolve_delayed_derefs;
1264		2064
		2065	cf::cede_to_tick;
1265	# now do the right thing for maps	2066	# now do the right thing for maps
1266	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
1278	$self->activate;	2077	$self->activate;
1279	}	2078	}
1280		2079
1281	Coro::cede;	2080	$self->{last_save} = $cf::RUNTIME;
		2081	$self->last_access ($cf::RUNTIME);
1282		2082
1283	$self->in_memory (cf::MAP_IN_MEMORY);	2083	$self->in_memory (cf::MAP_ACTIVE);
		2084	}
		2085
		2086	$self->post_load;
		2087	}
		2088
		2089	sub customise_for {
		2090	my ($self, $ob) = @_;
		2091
		2092	return find "~" . $ob->name . "/" . $self->{path}
		2093	if $self->per_player;
		2094
		2095	# return find "?party/" . $ob->name . "/" . $self->{path}
		2096	# if $self->per_party;
		2097
		2098	$self
		2099	}
		2100
		2101	# find and load all maps in the 3x3 area around a map
		2102	sub load_neighbours {
		2103	my ($map) = @_;
		2104
		2105	my @neigh; # diagonal neighbours
		2106
		2107	for (0 .. 3) {
		2108	my $neigh = $map->tile_path ($_)
		2109	or next;
		2110	$neigh = find $neigh, $map
		2111	or next;
		2112	$neigh->load;
		2113
		2114	push @neigh,
		2115	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2116	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2117	}
		2118
		2119	for (grep defined $_->[0], @neigh) {
		2120	my ($path, $origin) = @$_;
		2121	my $neigh = find $path, $origin
		2122	or next;
		2123	$neigh->load;
		2124	}
1284	}	2125	}
1285		2126
1286	sub find_sync {	2127	sub find_sync {
1287	my ($path, $origin) = @_;	2128	my ($path, $origin) = @_;
1288		2129
1289	cf::sync_job { cf::map::find $path, $origin }	2130	cf::sync_job { find $path, $origin }
1290	}	2131	}
1291		2132
1292	sub do_load_sync {	2133	sub do_load_sync {
1293	my ($map) = @_;	2134	my ($map) = @_;
1294		2135
		2136	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2137	if $Coro::current == $Coro::main;
		2138
1295	cf::sync_job { $map->load };	2139	cf::sync_job { $map->load };
		2140	}
		2141
		2142	our %MAP_PREFETCH;
		2143	our $MAP_PREFETCHER = undef;
		2144
		2145	sub find_async {
		2146	my ($path, $origin, $load) = @_;
		2147
		2148	$path = normalise $path, $origin && $origin->{path};
		2149
		2150	if (my $map = $cf::MAP{$path}) {
		2151	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2152	}
		2153
		2154	$MAP_PREFETCH{$path} |= $load;
		2155
		2156	$MAP_PREFETCHER ||= cf::async {
		2157	$Coro::current->{desc} = "map prefetcher";
		2158
		2159	while (%MAP_PREFETCH) {
		2160	while (my ($k, $v) = each %MAP_PREFETCH) {
		2161	if (my $map = find $k) {
		2162	$map->load if $v;
		2163	}
		2164
		2165	delete $MAP_PREFETCH{$k};
		2166	}
		2167	}
		2168	undef $MAP_PREFETCHER;
		2169	};
		2170	$MAP_PREFETCHER->prio (6);
		2171
		2172	()
1296	}	2173	}
1297		2174
1298	sub save {	2175	sub save {
1299	my ($self) = @_;	2176	my ($self) = @_;
1300		2177
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1302		2179
1303	$self->{last_save} = $cf::RUNTIME;	2180	$self->{last_save} = $cf::RUNTIME;
1304		2181
1305	return unless $self->dirty;	2182	return unless $self->dirty;
1306		2183
1307	my $save = $self->{path}->save_path; utf8::encode $save;	2184	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2185	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		2186
1310	$self->{load_path} = $save;	2187	$self->{load_path} = $save;
1311		2188
1312	return if $self->{deny_save};	2189	return if $self->{deny_save};
1313		2190
1314	local $self->{last_access} = $self->last_access;#d#	2191	local $self->{last_access} = $self->last_access;#d#
1315		2192
		2193	cf::async {
		2194	$Coro::current->{desc} = "map player save";
		2195	$_->contr->save for $self->players;
		2196	};
		2197
		2198	cf::get_slot 0.02;
		2199
1316	if ($uniq) {	2200	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2201	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2202	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2203	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2205	}
1322	}	2206	}
1323		2207
1324	sub swap_out {	2208	sub swap_out {
1325	my ($self) = @_;	2209	my ($self) = @_;
1326		2210
1327	# save first because save cedes	2211	# save first because save cedes
1328	$self->save;	2212	$self->save;
1329		2213
1330	my $lock = cf::lock_acquire "map_data:" . $self->path;	2214	my $lock = cf::lock_acquire "map_data:$self->{path}";
1331		2215
1332	return if $self->players;	2216	return if $self->players;
1333	return if $self->in_memory != cf::MAP_IN_MEMORY;	2217	return if $self->in_memory != cf::MAP_ACTIVE;
1334	return if $self->{deny_save};	2218	return if $self->{deny_save};
1335		2219
		2220	$self->in_memory (cf::MAP_SWAPPED);
		2221
		2222	$self->deactivate;
		2223	$_->clear_links_to ($self) for values %cf::MAP;
1336	$self->clear;	2224	$self->clear;
1337	$self->in_memory (cf::MAP_SWAPPED);
1338	}	2225	}
1339		2226
1340	sub reset_at {	2227	sub reset_at {
1341	my ($self) = @_;	2228	my ($self) = @_;
1342		2229
1343	# TODO: safety, remove and allow resettable per-player maps	2230	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	2231	return 1e99 if $self->{deny_reset};
1346		2232
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2233	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2234	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		2235
…		…
1354	my ($self) = @_;	2240	my ($self) = @_;
1355		2241
1356	$self->reset_at <= $cf::RUNTIME	2242	$self->reset_at <= $cf::RUNTIME
1357	}	2243	}
1358		2244
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	2245	sub reset {
1381	my ($self) = @_;	2246	my ($self) = @_;
1382		2247
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	2248	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		2249
1385	return if $self->players;	2250	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		2251
1388	warn "resetting map ", $self->path;#d#	2252	warn "resetting map ", $self->path, "\n";
		2253
		2254	$self->in_memory (cf::MAP_SWAPPED);
		2255
		2256	# need to save uniques path
		2257	unless ($self->{deny_save}) {
		2258	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2259
		2260	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2261	if $uniq;
		2262	}
1389		2263
1390	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1391		2265
		2266	$self->deactivate;
1392	$_->clear_links_to ($self) for values %cf::MAP;	2267	$_->clear_links_to ($self) for values %cf::MAP;
		2268	$self->clear;
1393		2269
1394	$self->unlink_save;	2270	$self->unlink_save;
1395	$self->destroy;	2271	$self->destroy;
1396	}	2272	}
1397		2273
1398	my $nuke_counter = "aaaa";	2274	my $nuke_counter = "aaaa";
1399		2275
1400	sub nuke {	2276	sub nuke {
1401	my ($self) = @_;	2277	my ($self) = @_;
1402		2278
		2279	{
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	delete $cf::MAP{$self->path};
		2283
		2284	$self->unlink_save;
		2285
		2286	bless $self, "cf::map";
		2287	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	2288	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	2289	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	2290	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2291
		2292	$cf::MAP{$self->path} = $self;
		2293	}
		2294
1406	$self->reset; # polite request, might not happen	2295	$self->reset; # polite request, might not happen
1407	}	2296	}
1408		2297
1409	sub customise_for {	2298	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2299
1412	if ($map->per_player) {	2300	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2301	maps. May block.
		2302
		2303	=cut
		2304
		2305	sub tmp_maps() {
1414	}	2306	[
1415		2307	map {
1416	$map	2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise $_
		2311	: ()
		2312	} @{ aio_readdir $TMPDIR or [] }
		2313	]
1417	}	2314	}
1418		2315
1419	sub emergency_save {	2316	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2317
1422	warn "enter emergency map save\n";	2318	Returns an arrayref with all map paths of currently instantiated and saved
		2319	random maps. May block.
1423		2320
1424	cf::sync_job {	2321	=cut
1425	warn "begin emergency map save\n";	2322
1426	$_->save for values %cf::MAP;	2323	sub random_maps() {
		2324	[
		2325	map {
		2326	utf8::decode $_;
		2327	/\.map$/
		2328	? normalise "?random/$_"
		2329	: ()
		2330	} @{ aio_readdir $RANDOMDIR or [] }
		2331	]
		2332	}
		2333
		2334	=item cf::map::unique_maps
		2335
		2336	Returns an arrayref of paths of all shared maps that have
		2337	instantiated unique items. May block.
		2338
		2339	=cut
		2340
		2341	sub unique_maps() {
		2342	[
		2343	map {
		2344	utf8::decode $_;
		2345	s/\.map$//; # TODO future compatibility hack
		2346	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2347	? ()
		2348	: normalise $_
		2349	} @{ aio_readdir $UNIQUEDIR or [] }
		2350	]
		2351	}
		2352
		2353	=item cf::map::static_maps
		2354
		2355	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2356	file in the shared directory excluding F</styles> and F</editor>). May
		2357	block.
		2358
		2359	=cut
		2360
		2361	sub static_maps() {
		2362	my @dirs = "";
		2363	my @maps;
		2364
		2365	while (@dirs) {
		2366	my $dir = shift @dirs;
		2367
		2368	next if $dir eq "/styles" || $dir eq "/editor";
		2369
		2370	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2371	or return;
		2372
		2373	for (@$files) {
		2374	s/\.map$// or next;
		2375	utf8::decode $_;
		2376	push @maps, "$dir/$_";
		2377	}
		2378
		2379	push @dirs, map "$dir/$_", @$dirs;
1427	};	2380	}
1428		2381
1429	warn "end emergency map save\n";	2382	\@maps
		2383	}
		2384
		2385	=back
		2386
		2387	=head3 cf::object
		2388
		2389	=cut
		2390
		2391	package cf::object;
		2392
		2393	=over 4
		2394
		2395	=item $ob->inv_recursive
		2396
		2397	Returns the inventory of the object I<and> their inventories, recursively,
		2398	but I<not> the object itself.
		2399
		2400	=cut
		2401
		2402	sub inv_recursive_;
		2403	sub inv_recursive_ {
		2404	map { $_, inv_recursive_ $_->inv } @_
		2405	}
		2406
		2407	sub inv_recursive {
		2408	inv_recursive_ inv $_[0]
		2409	}
		2410
		2411	=item $ref = $ob->ref
		2412
		2413	Creates and returns a persistent reference to an object that can be stored as a string.
		2414
		2415	=item $ob = cf::object::deref ($refstring)
		2416
		2417	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2418	even if the object actually exists. May block.
		2419
		2420	=cut
		2421
		2422	sub deref {
		2423	my ($ref) = @_;
		2424
		2425	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2426	my ($uuid, $name) = ($1, $2);
		2427	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2428	or return;
		2429	$pl->ob->uuid eq $uuid
		2430	or return;
		2431
		2432	$pl->ob
		2433	} else {
		2434	warn "$ref: cannot resolve object reference\n";
		2435	undef
		2436	}
1430	}	2437	}
1431		2438
1432	package cf;	2439	package cf;
1433		2440
1434	=back	2441	=back
1435
1436		2442
1437	=head3 cf::object::player	2443	=head3 cf::object::player
1438		2444
1439	=over 4	2445	=over 4
1440		2446
…		…
1443	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2449	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1444	can be C<undef>. Does the right thing when the player is currently in a	2450	can be C<undef>. Does the right thing when the player is currently in a
1445	dialogue with the given NPC character.	2451	dialogue with the given NPC character.
1446		2452
1447	=cut	2453	=cut
		2454
		2455	our $SAY_CHANNEL = {
		2456	id => "say",
		2457	title => "Map",
		2458	reply => "say ",
		2459	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2460	};
		2461
		2462	our $CHAT_CHANNEL = {
		2463	id => "chat",
		2464	title => "Chat",
		2465	reply => "chat ",
		2466	tooltip => "Player chat and shouts, global to the server.",
		2467	};
1448		2468
1449	# rough implementation of a future "reply" method that works	2469	# rough implementation of a future "reply" method that works
1450	# with dialog boxes.	2470	# with dialog boxes.
1451	#TODO: the first argument must go, split into a $npc->reply_to ( method	2471	#TODO: the first argument must go, split into a $npc->reply_to ( method
1452	sub cf::object::player::reply($$$;$) {	2472	sub cf::object::player::reply($$$;$) {
…		…
1454		2474
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2475	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2476
1457	if ($self->{record_replies}) {	2477	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2478	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2479
1459	} else {	2480	} else {
		2481	my $pl = $self->contr;
		2482
		2483	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2484	my $dialog = $pl->{npc_dialog};
		2485	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2486
		2487	} else {
1460	$msg = $npc->name . " says: $msg" if $npc;	2488	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2489	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2490	}
1462	}	2491	}
		2492	}
		2493
		2494	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2495
		2496	=cut
		2497
		2498	sub cf::object::send_msg {
		2499	my $pl = shift->contr
		2500	or return;
		2501	$pl->send_msg (@_);
1463	}	2502	}
1464		2503
1465	=item $player_object->may ("access")	2504	=item $player_object->may ("access")
1466		2505
1467	Returns wether the given player is authorized to access resource "access"	2506	Returns wether the given player is authorized to access resource "access"
…		…
1480		2519
1481	=item $player_object->enter_link	2520	=item $player_object->enter_link
1482		2521
1483	Freezes the player and moves him/her to a special map (C<{link}>).	2522	Freezes the player and moves him/her to a special map (C<{link}>).
1484		2523
1485	The player should be reaosnably safe there for short amounts of time. You	2524	The player should be reasonably safe there for short amounts of time (e.g.
1486	I<MUST> call C<leave_link> as soon as possible, though.	2525	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2526	though, as the palyer cannot control the character while it is on the link
		2527	map.
		2528
		2529	Will never block.
1487		2530
1488	=item $player_object->leave_link ($map, $x, $y)	2531	=item $player_object->leave_link ($map, $x, $y)
1489		2532
1490	Moves the player out of the specila link map onto the given map. If the	2533	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2534	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2535	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2536	fails, to the emergency map position.
1494		2537
1495	Might block.	2538	Might block.
1496		2539
1497	=cut	2540	=cut
		2541
		2542	sub link_map {
		2543	unless ($LINK_MAP) {
		2544	$LINK_MAP = cf::map::find "{link}"
		2545	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2546	$LINK_MAP->load;
		2547	}
		2548
		2549	$LINK_MAP
		2550	}
1498		2551
1499	sub cf::object::player::enter_link {	2552	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2553	my ($self) = @_;
1501		2554
1502	$self->deactivate_recursive;	2555	$self->deactivate_recursive;
1503		2556
1504	return if $self->map == $LINK_MAP;	2557	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2558
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2559	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2560	if $self->map && $self->map->{path} ne "{link}";
1508		2561
1509	$self->enter_map ($LINK_MAP, 20, 20);	2562	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	2563	}
1511		2564
1512	sub cf::object::player::leave_link {	2565	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2566	my ($self, $map, $x, $y) = @_;
		2567
		2568	return unless $self->contr->active;
1514		2569
1515	my $link_pos = delete $self->{_link_pos};	2570	my $link_pos = delete $self->{_link_pos};
1516		2571
1517	unless ($map) {	2572	unless ($map) {
1518	# restore original map position	2573	# restore original map position
…		…
1529	($x, $y) = (-1, -1)	2584	($x, $y) = (-1, -1)
1530	unless (defined $x) && (defined $y);	2585	unless (defined $x) && (defined $y);
1531		2586
1532	# use -1 or undef as default coordinates, not 0, 0	2587	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2588	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2589	if $x <= 0 && $y <= 0;
1535		2590
1536	$map->load;	2591	$map->load;
		2592	$map->load_neighbours;
1537		2593
		2594	return unless $self->contr->active;
		2595
		2596	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2597	$self->enter_map ($map, $x, $y);
		2598
		2599	# only activate afterwards, to support waiting in hooks
1538	$self->activate_recursive;	2600	$self->activate_recursive;
1539	$self->enter_map ($map, $x, $y);
1540	}	2601	}
1541		2602
1542	cf::player->attach (	2603	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1543	on_logout => sub {
1544	my ($pl) = @_;
1545		2604
1546	# abort map switching before logout	2605	Moves the player to the given map-path and coordinates by first freezing
1547	if ($pl->ob->{_link_pos}) {	2606	her, loading and preparing them map, calling the provided $check callback
1548	cf::sync_job {	2607	that has to return the map if sucecssful, and then unfreezes the player on
1549	$pl->ob->leave_link	2608	the new (success) or old (failed) map position. In either case, $done will
1550	};	2609	be called at the end of this process.
1551	}
1552	},
1553	on_login => sub {
1554	my ($pl) = @_;
1555		2610
1556	# try to abort aborted map switching on player login :)	2611	Note that $check will be called with a potentially non-loaded map, so if
1557	# should happen only on crashes	2612	it needs a loaded map it has to call C<< ->load >>.
1558	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;
1560	cf::async {
1561	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;
1565	};
1566	}
1567	},
1568	);
1569		2613
1570	=item $player_object->goto ($path, $x, $y)
1571
1572	=cut	2614	=cut
		2615
		2616	our $GOTOGEN;
1573		2617
1574	sub cf::object::player::goto {	2618	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	2619	my ($self, $path, $x, $y, $check, $done) = @_;
		2620
		2621	# do generation counting so two concurrent goto's will be executed in-order
		2622	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1576		2623
1577	$self->enter_link;	2624	$self->enter_link;
1578		2625
1579	(cf::async {	2626	(async {
1580	$path = new cf::path $path;	2627	$Coro::current->{desc} = "player::goto $path $x $y";
1581		2628
1582	my $map = cf::map::find $path->as_string;	2629	# *tag paths override both path and x|y
		2630	if ($path =~ /^\*(.*)$/) {
		2631	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2632	my $ob = $obs[rand @obs];
		2633
		2634	# see if we actually can go there
		2635	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2636	$ob = $obs[rand @obs];
		2637	} else {
		2638	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2639	}
		2640	# else put us there anyways for now #d#
		2641
		2642	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2643	} else {
		2644	($path, $x, $y) = (undef, undef, undef);
		2645	}
		2646	}
		2647
		2648	my $map = eval {
		2649	my $map = defined $path ? cf::map::find $path : undef;
		2650
		2651	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2652	$map = $map->customise_for ($self);
1584		2653	$map = $check->($map) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2654	} else {
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2655	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	}
1589		2657
		2658	$map
		2659	};
		2660
		2661	if ($@) {
		2662	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2663	LOG llevError | logBacktrace, Carp::longmess $@;
		2664	}
		2665
		2666	if ($gen == $self->{_goto_generation}) {
		2667	delete $self->{_goto_generation};
1590	$self->leave_link ($map, $x, $y);	2668	$self->leave_link ($map, $x, $y);
		2669	}
		2670
		2671	$done->() if $done;
1591	})->prio (1);	2672	})->prio (1);
1592	}	2673	}
1593		2674
1594	=item $player_object->enter_exit ($exit_object)	2675	=item $player_object->enter_exit ($exit_object)
1595		2676
…		…
1597		2678
1598	sub parse_random_map_params {	2679	sub parse_random_map_params {
1599	my ($spec) = @_;	2680	my ($spec) = @_;
1600		2681
1601	my $rmp = { # defaults	2682	my $rmp = { # defaults
1602	xsize => 10,	2683	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2684	ysize => (cf::rndm 15, 40),
		2685	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2686	#layout => string,
1604	};	2687	};
1605		2688
1606	for (split /\n/, $spec) {	2689	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2690	my ($k, $v) = split /\s+/, $_, 2;
1608		2691
…		…
1620	# that depends on the exit object	2703	# that depends on the exit object
1621		2704
1622	my $rmp = parse_random_map_params $exit->msg;	2705	my $rmp = parse_random_map_params $exit->msg;
1623		2706
1624	if ($exit->map) {	2707	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2708	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2709	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2710	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2711	$rmp->{origin_y} = $exit->y;
		2712
		2713	$exit->map->touch;
1629	}	2714	}
1630		2715
1631	$rmp->{random_seed} ||= $exit->random_seed;	2716	$rmp->{random_seed} ||= $exit->random_seed;
1632		2717
1633	my $data = cf::to_json $rmp;	2718	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1634	my $md5 = Digest::MD5::md5_hex $data;	2719	my $md5 = Digest::MD5::md5_hex $data;
		2720	my $meta = "$RANDOMDIR/$md5.meta";
1635		2721
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2722	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	2723	aio_write $fh, 0, (length $data), $data, 0;
		2724	undef $fh;
		2725	aio_rename "$meta~", $meta;
1638		2726
		2727	my $slaying = "?random/$md5";
		2728
		2729	if ($exit->valid) {
1639	$exit->slaying ("?random/$md5");	2730	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2731	$exit->msg (undef);
		2732	}
1641	}	2733	}
1642	}	2734	}
1643		2735
1644	sub cf::object::player::enter_exit {	2736	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2737	my ($self, $exit) = @_;
1646		2738
1647	return unless $self->type == cf::PLAYER;	2739	return unless $self->type == cf::PLAYER;
1648		2740
1649	$self->enter_link;	2741	$self->enter_link;
1650		2742
1651	(cf::async {	2743	(async {
1652	$self->deactivate_recursive; # just to be sure	2744	$Coro::current->{desc} = "enter_exit";
		2745
1653	unless (eval {	2746	unless (eval {
		2747	$self->deactivate_recursive; # just to be sure
		2748
		2749	# random map handling
		2750	{
		2751	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2752
1654	prepare_random_map $exit	2753	prepare_random_map $exit
1655	if $exit->slaying eq "/!";	2754	if $exit->slaying eq "/!";
		2755	}
1656		2756
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2757	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2758	my $x = $exit->stats->hp;
		2759	my $y = $exit->stats->sp;
1659		2760
		2761	$self->goto ($map, $x, $y);
		2762
		2763	# if exit is damned, update players death & WoR home-position
		2764	$self->contr->savebed ($map, $x, $y)
		2765	if $exit->flag (cf::FLAG_DAMNED);
		2766
1660	1;	2767	1
1661	}) {	2768	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2769	$self->message ("Something went wrong deep within the deliantra server. "
1663	. "I'll try to bring you back to the map you were before. "	2770	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2771	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2772	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2773
1667	warn "ERROR in enter_exit: $@";	2774	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2775	$self->leave_link;
1669	}	2776	}
1670	})->prio (1);	2777	})->prio (1);
…		…
1683		2790
1684	sub cf::client::send_drawinfo {	2791	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2792	my ($self, $text, $flags) = @_;
1686		2793
1687	utf8::encode $text;	2794	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2795	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2796	}
1690		2797
		2798	=item $client->send_big_packet ($pkt)
		2799
		2800	Like C<send_packet>, but tries to compress large packets, and fragments
		2801	them as required.
		2802
		2803	=cut
		2804
		2805	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2806
		2807	sub cf::client::send_big_packet {
		2808	my ($self, $pkt) = @_;
		2809
		2810	# try lzf for large packets
		2811	$pkt = "lzf " . Compress::LZF::compress $pkt
		2812	if 1024 <= length $pkt and $self->{can_lzf};
		2813
		2814	# split very large packets
		2815	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2816	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2817	$pkt = "frag";
		2818	}
		2819
		2820	$self->send_packet ($pkt);
		2821	}
		2822
		2823	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2824
		2825	Send a drawinfo or msg packet to the client, formatting the msg for the
		2826	client if neccessary. C<$type> should be a string identifying the type of
		2827	the message, with C<log> being the default. If C<$color> is negative, suppress
		2828	the message unless the client supports the msg packet.
		2829
		2830	=cut
		2831
		2832	# non-persistent channels (usually the info channel)
		2833	our %CHANNEL = (
		2834	"c/motd" => {
		2835	id => "infobox",
		2836	title => "MOTD",
		2837	reply => undef,
		2838	tooltip => "The message of the day",
		2839	},
		2840	"c/identify" => {
		2841	id => "infobox",
		2842	title => "Identify",
		2843	reply => undef,
		2844	tooltip => "Items recently identified",
		2845	},
		2846	"c/examine" => {
		2847	id => "infobox",
		2848	title => "Examine",
		2849	reply => undef,
		2850	tooltip => "Signs and other items you examined",
		2851	},
		2852	"c/shopinfo" => {
		2853	id => "infobox",
		2854	title => "Shop Info",
		2855	reply => undef,
		2856	tooltip => "What your bargaining skill tells you about the shop",
		2857	},
		2858	"c/book" => {
		2859	id => "infobox",
		2860	title => "Book",
		2861	reply => undef,
		2862	tooltip => "The contents of a note or book",
		2863	},
		2864	"c/lookat" => {
		2865	id => "infobox",
		2866	title => "Look",
		2867	reply => undef,
		2868	tooltip => "What you saw there",
		2869	},
		2870	"c/who" => {
		2871	id => "infobox",
		2872	title => "Players",
		2873	reply => undef,
		2874	tooltip => "Shows players who are currently online",
		2875	},
		2876	"c/body" => {
		2877	id => "infobox",
		2878	title => "Body Parts",
		2879	reply => undef,
		2880	tooltip => "Shows which body parts you posess and are available",
		2881	},
		2882	"c/statistics" => {
		2883	id => "infobox",
		2884	title => "Statistics",
		2885	reply => undef,
		2886	tooltip => "Shows your primary statistics",
		2887	},
		2888	"c/skills" => {
		2889	id => "infobox",
		2890	title => "Skills",
		2891	reply => undef,
		2892	tooltip => "Shows your experience per skill and item power",
		2893	},
		2894	"c/shopitems" => {
		2895	id => "infobox",
		2896	title => "Shop Items",
		2897	reply => undef,
		2898	tooltip => "Shows the items currently for sale in this shop",
		2899	},
		2900	"c/resistances" => {
		2901	id => "infobox",
		2902	title => "Resistances",
		2903	reply => undef,
		2904	tooltip => "Shows your resistances",
		2905	},
		2906	"c/pets" => {
		2907	id => "infobox",
		2908	title => "Pets",
		2909	reply => undef,
		2910	tooltip => "Shows information abotu your pets/a specific pet",
		2911	},
		2912	"c/perceiveself" => {
		2913	id => "infobox",
		2914	title => "Perceive Self",
		2915	reply => undef,
		2916	tooltip => "You gained detailed knowledge about yourself",
		2917	},
		2918	"c/uptime" => {
		2919	id => "infobox",
		2920	title => "Uptime",
		2921	reply => undef,
		2922	tooltip => "How long the server has been running since last restart",
		2923	},
		2924	"c/mapinfo" => {
		2925	id => "infobox",
		2926	title => "Map Info",
		2927	reply => undef,
		2928	tooltip => "Information related to the maps",
		2929	},
		2930	"c/party" => {
		2931	id => "party",
		2932	title => "Party",
		2933	reply => "gsay ",
		2934	tooltip => "Messages and chat related to your party",
		2935	},
		2936	"c/death" => {
		2937	id => "death",
		2938	title => "Death",
		2939	reply => undef,
		2940	tooltip => "Reason for and more info about your most recent death",
		2941	},
		2942	"c/say" => $SAY_CHANNEL,
		2943	"c/chat" => $CHAT_CHANNEL,
		2944	);
		2945
		2946	sub cf::client::send_msg {
		2947	my ($self, $channel, $msg, $color, @extra) = @_;
		2948
		2949	$msg = $self->pl->expand_cfpod ($msg)
		2950	unless $color & cf::NDI_VERBATIM;
		2951
		2952	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2953
		2954	# check predefined channels, for the benefit of C
		2955	if ($CHANNEL{$channel}) {
		2956	$channel = $CHANNEL{$channel};
		2957
		2958	$self->ext_msg (channel_info => $channel);
		2959	$channel = $channel->{id};
		2960
		2961	} elsif (ref $channel) {
		2962	# send meta info to client, if not yet sent
		2963	unless (exists $self->{channel}{$channel->{id}}) {
		2964	$self->{channel}{$channel->{id}} = $channel;
		2965	$self->ext_msg (channel_info => $channel);
		2966	}
		2967
		2968	$channel = $channel->{id};
		2969	}
		2970
		2971	return unless @extra || length $msg;
		2972
		2973	# default colour, mask it out
		2974	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2975	if $color & cf::NDI_DEF;
		2976
		2977	my $pkt = "msg "
		2978	. $self->{json_coder}->encode (
		2979	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2980	);
		2981
		2982	$self->send_big_packet ($pkt);
		2983	}
		2984
		2985	=item $client->ext_msg ($type, @msg)
		2986
		2987	Sends an ext event to the client.
		2988
		2989	=cut
		2990
		2991	sub cf::client::ext_msg($$@) {
		2992	my ($self, $type, @msg) = @_;
		2993
		2994	if ($self->extcmd == 2) {
		2995	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2996	} elsif ($self->extcmd == 1) { # TODO: remove
		2997	push @msg, msgtype => "event_$type";
		2998	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2999	}
		3000	}
		3001
		3002	=item $client->ext_reply ($msgid, @msg)
		3003
		3004	Sends an ext reply to the client.
		3005
		3006	=cut
		3007
		3008	sub cf::client::ext_reply($$@) {
		3009	my ($self, $id, @msg) = @_;
		3010
		3011	if ($self->extcmd == 2) {
		3012	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3013	} elsif ($self->extcmd == 1) {
		3014	#TODO: version 1, remove
		3015	unshift @msg, msgtype => "reply", msgid => $id;
		3016	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3017	}
		3018	}
1691		3019
1692	=item $success = $client->query ($flags, "text", \&cb)	3020	=item $success = $client->query ($flags, "text", \&cb)
1693		3021
1694	Queues a query to the client, calling the given callback with	3022	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1697		3025
1698	Queries can fail, so check the return code. Or don't, as queries will become	3026	Queries can fail, so check the return code. Or don't, as queries will
1699	reliable at some point in the future.	3027	become reliable at some point in the future.
1700		3028
1701	=cut	3029	=cut
1702		3030
1703	sub cf::client::query {	3031	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	3032	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	3040	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		3042
1715	$self->send_packet ($self->{query_queue}[0][0])	3043	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	3044	if @{ $self->{query_queue} } == 1;
		3045
		3046	1
1717	}	3047	}
1718		3048
1719	cf::client->attach (	3049	cf::client->attach (
		3050	on_connect => sub {
		3051	my ($ns) = @_;
		3052
		3053	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3054	},
1720	on_reply => sub {	3055	on_reply => sub {
1721	my ($ns, $msg) = @_;	3056	my ($ns, $msg) = @_;
1722		3057
1723	# this weird shuffling is so that direct followup queries	3058	# this weird shuffling is so that direct followup queries
1724	# get handled first	3059	# get handled first
1725	my $queue = delete $ns->{query_queue}	3060	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	3061	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		3062
1728	(shift @$queue)->[1]->($msg);	3063	(shift @$queue)->[1]->($msg);
		3064	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		3065
1730	push @{ $ns->{query_queue} }, @$queue;	3066	push @{ $ns->{query_queue} }, @$queue;
1731		3067
1732	if (@{ $ns->{query_queue} } == @$queue) {	3068	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	3069	if (@$queue) {
…		…
1735	} else {	3071	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3072	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	3073	}
1738	}	3074	}
1739	},	3075	},
		3076	on_exticmd => sub {
		3077	my ($ns, $buf) = @_;
		3078
		3079	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3080
		3081	if (ref $msg) {
		3082	my ($type, $reply, @payload) =
		3083	"ARRAY" eq ref $msg
		3084	? @$msg
		3085	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3086
		3087	my @reply;
		3088
		3089	if (my $cb = $EXTICMD{$type}) {
		3090	@reply = $cb->($ns, @payload);
		3091	}
		3092
		3093	$ns->ext_reply ($reply, @reply)
		3094	if $reply;
		3095
		3096	} else {
		3097	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3098	}
		3099
		3100	cf::override;
		3101	},
1740	);	3102	);
1741		3103
1742	=item $client->coro (\&cb)	3104	=item $client->async (\&cb)
1743		3105
1744	Create a new coroutine, running the specified callback. The coroutine will	3106	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	3107	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	3108	or loss of connection).
1747		3109
1748	=cut	3110	=cut
1749		3111
1750	sub cf::client::coro {	3112	sub cf::client::async {
1751	my ($self, $cb) = @_;	3113	my ($self, $cb) = @_;
1752		3114
1753	my $coro = &cf::async ($cb);	3115	my $coro = &Coro::async ($cb);
1754		3116
1755	$coro->on_destroy (sub {	3117	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	3118	delete $self->{_coro}{$coro+0};
1757	});	3119	});
1758		3120
…		…
1785	our $safe = new Safe "safe";	3147	our $safe = new Safe "safe";
1786	our $safe_hole = new Safe::Hole;	3148	our $safe_hole = new Safe::Hole;
1787		3149
1788	$SIG{FPE} = 'IGNORE';	3150	$SIG{FPE} = 'IGNORE';
1789		3151
1790	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3152	$safe->permit_only (Opcode::opset qw(
		3153	:base_core :base_mem :base_orig :base_math :base_loop
		3154	grepstart grepwhile mapstart mapwhile
		3155	sort time
		3156	));
1791		3157
1792	# here we export the classes and methods available to script code	3158	# here we export the classes and methods available to script code
1793		3159
1794	=pod	3160	=pod
1795		3161
1796	The following fucntions and emthods are available within a safe environment:	3162	The following functions and methods are available within a safe environment:
1797		3163
1798	cf::object contr pay_amount pay_player map	3164	cf::object
		3165	contr pay_amount pay_player map x y force_find force_add destroy
		3166	insert remove name archname title slaying race decrease split
		3167	value
		3168
1799	cf::object::player player	3169	cf::object::player
1800	cf::player peaceful	3170	player
1801	cf::map trigger	3171
		3172	cf::player
		3173	peaceful
		3174
		3175	cf::map
		3176	trigger
1802		3177
1803	=cut	3178	=cut
1804		3179
1805	for (	3180	for (
1806	["cf::object" => qw(contr pay_amount pay_player map)],	3181	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3182	insert remove inv nrof name archname title slaying race
		3183	decrease split destroy change_exp value msg lore send_msg)],
1807	["cf::object::player" => qw(player)],	3184	["cf::object::player" => qw(player)],
1808	["cf::player" => qw(peaceful)],	3185	["cf::player" => qw(peaceful send_msg)],
1809	["cf::map" => qw(trigger)],	3186	["cf::map" => qw(trigger)],
1810	) {	3187	) {
1811	no strict 'refs';	3188	no strict 'refs';
1812	my ($pkg, @funs) = @$_;	3189	my ($pkg, @funs) = @$_;
1813	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3190	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1831		3208
1832	my $qcode = $code;	3209	my $qcode = $code;
1833	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3210	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1834	$qcode =~ s/\n/\\n/g;	3211	$qcode =~ s/\n/\\n/g;
1835		3212
		3213	%vars = (_dummy => 0) unless %vars;
		3214
		3215	my @res;
1836	local $_;	3216	local $_;
1837	local @safe::cf::_safe_eval_args = values %vars;
1838		3217
1839	my $eval =	3218	my $eval =
1840	"do {\n"	3219	"do {\n"
1841	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3220	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1842	. "#line 0 \"{$qcode}\"\n"	3221	. "#line 0 \"{$qcode}\"\n"
1843	. $code	3222	. $code
1844	. "\n}"	3223	. "\n}"
1845	;	3224	;
1846		3225
		3226	if ($CFG{safe_eval}) {
1847	sub_generation_inc;	3227	sub_generation_inc;
		3228	local @safe::cf::_safe_eval_args = values %vars;
1848	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3229	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1849	sub_generation_inc;	3230	sub_generation_inc;
		3231	} else {
		3232	local @cf::_safe_eval_args = values %vars;
		3233	@res = wantarray ? eval eval : scalar eval $eval;
		3234	}
1850		3235
1851	if ($@) {	3236	if ($@) {
1852	warn "$@";	3237	warn "$@";
1853	warn "while executing safe code '$code'\n";	3238	warn "while executing safe code '$code'\n";
1854	warn "with arguments " . (join " ", %vars) . "\n";	3239	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1873	=cut	3258	=cut
1874		3259
1875	sub register_script_function {	3260	sub register_script_function {
1876	my ($fun, $cb) = @_;	3261	my ($fun, $cb) = @_;
1877		3262
1878	no strict 'refs';	3263	$fun = "safe::$fun" if $CFG{safe_eval};
1879	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3264	*$fun = $safe_hole->wrap ($cb);
1880	}	3265	}
1881		3266
1882	=back	3267	=back
1883		3268
1884	=cut	3269	=cut
1885		3270
1886	#############################################################################	3271	#############################################################################
		3272	# the server's init and main functions
1887		3273
1888	=head2 EXTENSION DATABASE SUPPORT	3274	sub load_facedata($) {
		3275	my ($path) = @_;
1889		3276
1890	Crossfire maintains a very simple database for extension use. It can	3277	# HACK to clear player env face cache, we need some signal framework
1891	currently store anything that can be serialised using Storable, which	3278	# for this (global event?)
1892	excludes objects.	3279	%ext::player_env::MUSIC_FACE_CACHE = ();
1893		3280
1894	The parameter C<$family> should best start with the name of the extension	3281	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1895	using it, it should be unique.
1896		3282
1897	=over 4	3283	warn "loading facedata from $path\n";
1898		3284
1899	=item $hashref = cf::db_get $family	3285	my $facedata;
		3286	0 < aio_load $path, $facedata
		3287	or die "$path: $!";
1900		3288
1901	Return a hashref for use by the extension C<$family>, which can be	3289	$facedata = Coro::Storable::thaw $facedata;
1902	modified. After modifications, you have to call C<cf::db_dirty> or
1903	C<cf::db_sync>.
1904		3290
1905	=item $value = cf::db_get $family => $key	3291	$facedata->{version} == 2
		3292	or cf::cleanup "$path: version mismatch, cannot proceed.";
1906		3293
1907	Returns a single value from the database	3294	# patch in the exptable
1908		3295	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1909	=item cf::db_put $family => $hashref	3296	$facedata->{resource}{"res/exp_table"} = {
1910		3297	type => FT_RSRC,
1911	Stores the given family hashref into the database. Updates are delayed, if	3298	data => $exp_table,
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3299	hash => (Digest::MD5::md5 $exp_table),
1913
1914	=item cf::db_put $family => $key => $value
1915
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926
1927	=cut
1928
1929	our $DB;
1930
1931	{
1932	my $path = cf::localdir . "/database.pst";
1933
1934	sub db_load() {
1935	$DB = stat $path ? Storable::retrieve $path : { };
1936	}
1937
1938	my $pid;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	3300	};
		3301	cf::cede_to_tick;
1960		3302
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}	3303	{
		3304	my $faces = $facedata->{faceinfo};
1965		3305
1966	sub db_get($;$) {	3306	while (my ($face, $info) = each %$faces) {
1967	@_ >= 2	3307	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1968	? $DB->{$_[0]}{$_[1]}
1969	: ($DB->{$_[0]} ||= { })
1970	}
1971		3308
1972	sub db_put($$;$) {	3309	cf::face::set_visibility $idx, $info->{visibility};
1973	if (@_ >= 3) {	3310	cf::face::set_magicmap $idx, $info->{magicmap};
1974	$DB->{$_[0]}{$_[1]} = $_[2];	3311	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1975	} else {	3312	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980		3313
1981	cf::global->attach (	3314	cf::cede_to_tick;
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	3315	}
1986	);
1987	}
1988		3316
1989	#############################################################################	3317	while (my ($face, $info) = each %$faces) {
1990	# the server's main()	3318	next unless $info->{smooth};
1991		3319
1992	sub cfg_load {	3320	my $idx = cf::face::find $face
		3321	or next;
		3322
		3323	if (my $smooth = cf::face::find $info->{smooth}) {
		3324	cf::face::set_smooth $idx, $smooth;
		3325	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3326	} else {
		3327	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3328	}
		3329
		3330	cf::cede_to_tick;
		3331	}
		3332	}
		3333
		3334	{
		3335	my $anims = $facedata->{animinfo};
		3336
		3337	while (my ($anim, $info) = each %$anims) {
		3338	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3339	cf::cede_to_tick;
		3340	}
		3341
		3342	cf::anim::invalidate_all; # d'oh
		3343	}
		3344
		3345	{
		3346	my $res = $facedata->{resource};
		3347
		3348	while (my ($name, $info) = each %$res) {
		3349	if (defined $info->{type}) {
		3350	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3351
		3352	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3353	cf::face::set_type $idx, $info->{type};
		3354	} else {
		3355	$RESOURCE{$name} = $info;
		3356	}
		3357
		3358	cf::cede_to_tick;
		3359	}
		3360	}
		3361
		3362	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3363
		3364	1
		3365	}
		3366
		3367	cf::global->attach (on_resource_update => sub {
		3368	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3369	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3370
		3371	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3372	my $sound = $soundconf->{compat}[$_]
		3373	or next;
		3374
		3375	my $face = cf::face::find "sound/$sound->[1]";
		3376	cf::sound::set $sound->[0] => $face;
		3377	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3378	}
		3379
		3380	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3381	my $face = cf::face::find "sound/$v";
		3382	cf::sound::set $k => $face;
		3383	}
		3384	}
		3385	});
		3386
		3387	register_exticmd fx_want => sub {
		3388	my ($ns, $want) = @_;
		3389
		3390	while (my ($k, $v) = each %$want) {
		3391	$ns->fx_want ($k, $v);
		3392	}
		3393	};
		3394
		3395	sub load_resource_file($) {
		3396	my $guard = lock_acquire "load_resource_file";
		3397
		3398	my $status = load_resource_file_ $_[0];
		3399	get_slot 0.1, 100;
		3400	cf::arch::commit_load;
		3401
		3402	$status
		3403	}
		3404
		3405	sub reload_regions {
		3406	# HACK to clear player env face cache, we need some signal framework
		3407	# for this (global event?)
		3408	%ext::player_env::MUSIC_FACE_CACHE = ();
		3409
		3410	load_resource_file "$MAPDIR/regions"
		3411	or die "unable to load regions file\n";
		3412
		3413	for (cf::region::list) {
		3414	$_->{match} = qr/$_->{match}/
		3415	if exists $_->{match};
		3416	}
		3417	}
		3418
		3419	sub reload_facedata {
		3420	load_facedata "$DATADIR/facedata"
		3421	or die "unable to load facedata\n";
		3422	}
		3423
		3424	sub reload_archetypes {
		3425	load_resource_file "$DATADIR/archetypes"
		3426	or die "unable to load archetypes\n";
		3427	}
		3428
		3429	sub reload_treasures {
		3430	load_resource_file "$DATADIR/treasures"
		3431	or die "unable to load treasurelists\n";
		3432	}
		3433
		3434	sub reload_resources {
		3435	warn "reloading resource files...\n";
		3436
		3437	reload_facedata;
		3438	reload_archetypes;
		3439	reload_regions;
		3440	reload_treasures;
		3441
		3442	warn "finished reloading resource files\n";
		3443	}
		3444
		3445	sub reload_config {
		3446	warn "reloading config file...\n";
		3447
1993	open my $fh, "<:utf8", cf::confdir . "/config"	3448	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	3449	or return;
1995		3450
1996	local $/;	3451	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	3452	*CFG = YAML::XS::Load scalar <$fh>;
1998		3453
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3454	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3455
		3456	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3457	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2000		3458
2001	if (exists $CFG{mlockall}) {	3459	if (exists $CFG{mlockall}) {
2002	eval {	3460	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	3461	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	3462	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	3463	};
2006	warn $@ if $@;	3464	warn $@ if $@;
2007	}	3465	}
		3466
		3467	warn "finished reloading resource files\n";
		3468	}
		3469
		3470	sub pidfile() {
		3471	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3472	or die "$PIDFILE: $!";
		3473	flock $fh, &Fcntl::LOCK_EX
		3474	or die "$PIDFILE: flock: $!";
		3475	$fh
		3476	}
		3477
		3478	# make sure only one server instance is running at any one time
		3479	sub atomic {
		3480	my $fh = pidfile;
		3481
		3482	my $pid = <$fh>;
		3483	kill 9, $pid if $pid > 0;
		3484
		3485	seek $fh, 0, 0;
		3486	print $fh $$;
		3487	}
		3488
		3489	sub main_loop {
		3490	warn "EV::loop starting\n";
		3491	if (1) {
		3492	EV::loop;
		3493	}
		3494	warn "EV::loop returned\n";
		3495	goto &main_loop unless $REALLY_UNLOOP;
2008	}	3496	}
2009		3497
2010	sub main {	3498	sub main {
		3499	cf::init_globals; # initialise logging
		3500
		3501	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3502	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3503	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3504	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3505
		3506	cf::init_experience;
		3507	cf::init_anim;
		3508	cf::init_attackmess;
		3509	cf::init_dynamic;
		3510
		3511	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3512
2011	# we must not ever block the main coroutine	3513	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	3514	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3515	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	3516	(async {
2015	Event::one_event;	3517	$Coro::current->{desc} = "IDLE BUG HANDLER";
2016	})->();	3518	EV::loop EV::LOOP_ONESHOT;
		3519	})->prio (Coro::PRIO_MAX);
2017	};	3520	};
2018		3521
2019	cfg_load;	3522	evthread_start IO::AIO::poll_fileno;
2020	db_load;	3523
		3524	cf::sync_job {
		3525	cf::load_settings;
		3526	cf::load_materials;
		3527
		3528	reload_resources;
		3529	reload_config;
		3530	db_init;
		3531
		3532	cf::init_uuid;
		3533	cf::init_signals;
		3534	cf::init_commands;
		3535	cf::init_skills;
		3536
		3537	cf::init_beforeplay;
		3538
		3539	atomic;
		3540
2021	load_extensions;	3541	load_extensions;
2022	Event::loop;	3542
		3543	utime time, time, $RUNTIMEFILE;
		3544
		3545	# no (long-running) fork's whatsoever before this point(!)
		3546	use POSIX ();
		3547	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3548
		3549	(pop @POST_INIT)->(0) while @POST_INIT;
		3550	};
		3551
		3552	main_loop;
2023	}	3553	}
2024		3554
2025	#############################################################################	3555	#############################################################################
2026	# initialisation	3556	# initialisation and cleanup
2027		3557
		3558	# install some emergency cleanup handlers
		3559	BEGIN {
		3560	our %SIGWATCHER = ();
		3561	for my $signal (qw(INT HUP TERM)) {
		3562	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3563	cf::cleanup "SIG$signal";
		3564	};
		3565	}
		3566	}
		3567
		3568	sub write_runtime_sync {
		3569	# first touch the runtime file to show we are still running:
		3570	# the fsync below can take a very very long time.
		3571
		3572	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3573
		3574	my $guard = cf::lock_acquire "write_runtime";
		3575
		3576	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3577	or return;
		3578
		3579	my $value = $cf::RUNTIME + 90 + 10;
		3580	# 10 is the runtime save interval, for a monotonic clock
		3581	# 60 allows for the watchdog to kill the server.
		3582
		3583	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3584	and return;
		3585
		3586	# always fsync - this file is important
		3587	aio_fsync $fh
		3588	and return;
		3589
		3590	# touch it again to show we are up-to-date
		3591	aio_utime $fh, undef, undef;
		3592
		3593	close $fh
		3594	or return;
		3595
		3596	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3597	and return;
		3598
		3599	warn "runtime file written.\n";
		3600
		3601	1
		3602	}
		3603
		3604	our $uuid_lock;
		3605	our $uuid_skip;
		3606
		3607	sub write_uuid_sync($) {
		3608	$uuid_skip ||= $_[0];
		3609
		3610	return if $uuid_lock;
		3611	local $uuid_lock = 1;
		3612
		3613	my $uuid = "$LOCALDIR/uuid";
		3614
		3615	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3616	or return;
		3617
		3618	my $value = uuid_seq uuid_cur;
		3619
		3620	unless ($value) {
		3621	warn "cowardly refusing to write zero uuid value!\n";
		3622	return;
		3623	}
		3624
		3625	my $value = uuid_str $value + $uuid_skip;
		3626	$uuid_skip = 0;
		3627
		3628	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3629	and return;
		3630
		3631	# always fsync - this file is important
		3632	aio_fsync $fh
		3633	and return;
		3634
		3635	close $fh
		3636	or return;
		3637
		3638	aio_rename "$uuid~", $uuid
		3639	and return;
		3640
		3641	warn "uuid file written ($value).\n";
		3642
		3643	1
		3644
		3645	}
		3646
		3647	sub write_uuid($$) {
		3648	my ($skip, $sync) = @_;
		3649
		3650	$sync ? write_uuid_sync $skip
		3651	: async { write_uuid_sync $skip };
		3652	}
		3653
		3654	sub emergency_save() {
		3655	my $freeze_guard = cf::freeze_mainloop;
		3656
		3657	warn "emergency_perl_save: enter\n";
		3658
		3659	cf::sync_job {
		3660	# this is a trade-off: we want to be very quick here, so
		3661	# save all maps without fsync, and later call a global sync
		3662	# (which in turn might be very very slow)
		3663	local $USE_FSYNC = 0;
		3664
		3665	# use a peculiar iteration method to avoid tripping on perl
		3666	# refcount bugs in for. also avoids problems with players
		3667	# and maps saved/destroyed asynchronously.
		3668	warn "emergency_perl_save: begin player save\n";
		3669	for my $login (keys %cf::PLAYER) {
		3670	my $pl = $cf::PLAYER{$login} or next;
		3671	$pl->valid or next;
		3672	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3673	$pl->save;
		3674	}
		3675	warn "emergency_perl_save: end player save\n";
		3676
		3677	warn "emergency_perl_save: begin map save\n";
		3678	for my $path (keys %cf::MAP) {
		3679	my $map = $cf::MAP{$path} or next;
		3680	$map->valid or next;
		3681	$map->save;
		3682	}
		3683	warn "emergency_perl_save: end map save\n";
		3684
		3685	warn "emergency_perl_save: begin database checkpoint\n";
		3686	BDB::db_env_txn_checkpoint $DB_ENV;
		3687	warn "emergency_perl_save: end database checkpoint\n";
		3688
		3689	warn "emergency_perl_save: begin write uuid\n";
		3690	write_uuid_sync 1;
		3691	warn "emergency_perl_save: end write uuid\n";
		3692	};
		3693
		3694	warn "emergency_perl_save: starting sync()\n";
		3695	IO::AIO::aio_sync sub {
		3696	warn "emergency_perl_save: finished sync()\n";
		3697	};
		3698
		3699	warn "emergency_perl_save: leave\n";
		3700	}
		3701
		3702	sub post_cleanup {
		3703	my ($make_core) = @_;
		3704
		3705	warn Carp::longmess "post_cleanup backtrace"
		3706	if $make_core;
		3707
		3708	my $fh = pidfile;
		3709	unlink $PIDFILE if <$fh> == $$;
		3710	}
		3711
		3712	# a safer delete_package, copied from Symbol
		3713	sub clear_package($) {
		3714	my $pkg = shift;
		3715
		3716	# expand to full symbol table name if needed
		3717	unless ($pkg =~ /^main::.*::$/) {
		3718	$pkg = "main$pkg" if $pkg =~ /^::/;
		3719	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3720	$pkg .= '::' unless $pkg =~ /::$/;
		3721	}
		3722
		3723	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3724	my $stem_symtab = *{$stem}{HASH};
		3725
		3726	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3727	or return;
		3728
		3729	# clear all symbols
		3730	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3731	for my $name (keys %$leaf_symtab) {
		3732	_gv_clear *{"$pkg$name"};
		3733	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3734	}
		3735	warn "cleared package $pkg\n";#d#
		3736	}
		3737
2028	sub reload() {	3738	sub do_reload_perl() {
2029	# can/must only be called in main	3739	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	3740	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	3741	warn "can only reload from main coroutine";
2032	return;	3742	return;
2033	}	3743	}
2034		3744
		3745	return if $RELOAD++;
		3746
		3747	my $t1 = EV::time;
		3748
		3749	while ($RELOAD) {
2035	warn "reloading...";	3750	warn "reloading...";
2036		3751
2037	my $guard = freeze_mainloop;	3752	warn "entering sync_job";
		3753
		3754	cf::sync_job {
		3755	cf::write_runtime_sync; # external watchdog should not bark
2038	cf::emergency_save;	3756	cf::emergency_save;
		3757	cf::write_runtime_sync; # external watchdog should not bark
2039		3758
2040	eval {	3759	warn "syncing database to disk";
		3760	BDB::db_env_txn_checkpoint $DB_ENV;
		3761
2041	# if anything goes wrong in here, we should simply crash as we already saved	3762	# if anything goes wrong in here, we should simply crash as we already saved
2042		3763
2043	# cancel all watchers	3764	warn "flushing outstanding aio requests";
2044	for (Event::all_watchers) {	3765	while (IO::AIO::nreqs || BDB::nreqs) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	3766	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2046	}
2047
2048	# cancel all extension coros
2049	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();
2051
2052	# unload all extensions
2053	for (@exts) {
2054	warn "unloading <$_>";
2055	unload_extension $_;
2056	}
2057
2058	# unload all modules loaded from $LIBDIR
2059	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061
2062	warn "removing <$k>";
2063	delete $INC{$k};
2064
2065	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;
2067
2068	if (my $cb = $k->can ("unload_module")) {
2069	$cb->();
2070	}	3767	}
2071		3768
2072	Symbol::delete_package $k;	3769	warn "cancelling all extension coros";
		3770	$_->cancel for values %EXT_CORO;
		3771	%EXT_CORO = ();
		3772
		3773	warn "removing commands";
		3774	%COMMAND = ();
		3775
		3776	warn "removing ext/exti commands";
		3777	%EXTCMD = ();
		3778	%EXTICMD = ();
		3779
		3780	warn "unloading/nuking all extensions";
		3781	for my $pkg (@EXTS) {
		3782	warn "... unloading $pkg";
		3783
		3784	if (my $cb = $pkg->can ("unload")) {
		3785	eval {
		3786	$cb->($pkg);
		3787	1
		3788	} or warn "$pkg unloaded, but with errors: $@";
		3789	}
		3790
		3791	warn "... clearing $pkg";
		3792	clear_package $pkg;
2073	}	3793	}
2074		3794
2075	# sync database to disk	3795	warn "unloading all perl modules loaded from $LIBDIR";
2076	cf::db_sync;	3796	while (my ($k, $v) = each %INC) {
2077	IO::AIO::flush;	3797	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2078		3798
		3799	warn "... unloading $k";
		3800	delete $INC{$k};
		3801
		3802	$k =~ s/\.pm$//;
		3803	$k =~ s/\//::/g;
		3804
		3805	if (my $cb = $k->can ("unload_module")) {
		3806	$cb->();
		3807	}
		3808
		3809	clear_package $k;
		3810	}
		3811
2079	# get rid of safe::, as good as possible	3812	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	3813	clear_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3814	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		3815
2083	# remove register_script_function callbacks	3816	warn "unloading cf.pm \"a bit\"";
2084	# TODO
2085
2086	# unload cf.pm "a bit"
2087	delete $INC{"cf.pm"};	3817	delete $INC{"cf.pm"};
		3818	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2088		3819
2089	# don't, removes xs symbols, too,	3820	# don't, removes xs symbols, too,
2090	# and global variables created in xs	3821	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	3822	#clear_package __PACKAGE__;
2092		3823
2093	# reload cf.pm	3824	warn "unload completed, starting to reload now";
		3825
2094	warn "reloading cf.pm";	3826	warn "reloading cf.pm";
2095	require cf;	3827	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3828	cf::_connect_to_perl_1;
2097		3829
2098	# load config and database again	3830	warn "loading config and database again";
2099	cf::cfg_load;	3831	cf::reload_config;
2100	cf::db_load;
2101		3832
2102	# load extensions
2103	warn "load extensions";	3833	warn "loading extensions";
2104	cf::load_extensions;	3834	cf::load_extensions;
2105		3835
2106	# reattach attachments to objects	3836	if ($REATTACH_ON_RELOAD) {
		3837	warn "reattaching attachments to objects/players";
		3838	_global_reattach; # objects, sockets
		3839	warn "reattaching attachments to maps";
		3840	reattach $_ for values %MAP;
		3841	warn "reattaching attachments to players";
		3842	reattach $_ for values %PLAYER;
		3843	}
		3844
		3845	warn "running post_init jobs";
		3846	(pop @POST_INIT)->(1) while @POST_INIT;
		3847
		3848	warn "leaving sync_job";
		3849
		3850	1
		3851	} or do {
		3852	warn $@;
		3853	cf::cleanup "error while reloading, exiting.";
		3854	};
		3855
2107	warn "reattach";	3856	warn "reloaded";
2108	_global_reattach;	3857	--$RELOAD;
		3858	}
		3859
		3860	$t1 = EV::time - $t1;
		3861	warn "reload completed in ${t1}s\n";
		3862	};
		3863
		3864	our $RELOAD_WATCHER; # used only during reload
		3865
		3866	sub reload_perl() {
		3867	# doing reload synchronously and two reloads happen back-to-back,
		3868	# coro crashes during coro_state_free->destroy here.
		3869
		3870	$RELOAD_WATCHER ||= cf::async {
		3871	Coro::AIO::aio_wait cache_extensions;
		3872
		3873	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3874	do_reload_perl;
		3875	undef $RELOAD_WATCHER;
		3876	};
2109	};	3877	};
2110
2111	if ($@) {
2112	warn $@;
2113	warn "error while reloading, exiting.";
2114	exit 1;
2115	}
2116
2117	warn "reloaded successfully";
2118	};
2119
2120	#############################################################################
2121
2122	unless ($LINK_MAP) {
2123	$LINK_MAP = cf::map::new;
2124
2125	$LINK_MAP->width (41);
2126	$LINK_MAP->height (41);
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,
2135	cb => sub {
2136	$_[0]->w->cancel;
2137
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});
2156
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3878	}
2162
2163	register "<global>", __PACKAGE__;
2164		3879
2165	register_command "reload" => sub {	3880	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3881	my ($who, $arg) = @_;
2167		3882
2168	if ($who->flag (FLAG_WIZ)) {	3883	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3884	$who->message ("reloading server.");
		3885	async {
		3886	$Coro::current->{desc} = "perl_reload";
		3887	reload_perl;
		3888	};
2172	}	3889	}
2173	};	3890	};
2174		3891
2175	unshift @INC, $LIBDIR;	3892	unshift @INC, $LIBDIR;
2176		3893
2177	$TICK_WATCHER = Event->timer (	3894	my $bug_warning = 0;
2178	reentrant => 0,	3895
2179	prio => 0,	3896	our @WAIT_FOR_TICK;
2180	at => $NEXT_TICK || $TICK,	3897	our @WAIT_FOR_TICK_BEGIN;
2181	data => WF_AUTOCANCEL,	3898
2182	cb => sub {	3899	sub wait_for_tick {
		3900	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3901
		3902	my $signal = new Coro::Signal;
		3903	push @WAIT_FOR_TICK, $signal;
		3904	$signal->wait;
		3905	}
		3906
		3907	sub wait_for_tick_begin {
		3908	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3909
		3910	my $signal = new Coro::Signal;
		3911	push @WAIT_FOR_TICK_BEGIN, $signal;
		3912	$signal->wait;
		3913	}
		3914
		3915	sub tick {
		3916	if ($Coro::current != $Coro::main) {
		3917	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3918	unless ++$bug_warning > 10;
		3919	return;
		3920	}
		3921
2183	cf::server_tick; # one server iteration	3922	cf::server_tick; # one server iteration
2184	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;
2186		3923
2187	# if we are delayed by four ticks or more, skip them all	3924	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2189		3925
2190	$TICK_WATCHER->at ($NEXT_TICK);	3926	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2191	$TICK_WATCHER->start;	3927	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2192	},	3928	Coro::async_pool {
2193	);	3929	$Coro::current->{desc} = "runtime saver";
2194
2195	IO::AIO::max_poll_time $TICK * 0.2;
2196
2197	Event->io (
2198	fd => IO::AIO::poll_fileno,
2199	poll => 'r',
2200	prio => 5,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,
2207	after => 0,
2208	interval => 10,
2209	cb => sub {
2210	(Coro::unblock_sub {
2211	write_runtime	3930	write_runtime_sync
2212	or warn "ERROR: unable to write runtime file: $!";	3931	or warn "ERROR: unable to write runtime file: $!";
2213	})->();	3932	};
2214	},	3933	}
2215	);	3934
		3935	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3936	$sig->send;
		3937	}
		3938	while (my $sig = shift @WAIT_FOR_TICK) {
		3939	$sig->send;
		3940	}
		3941
		3942	$LOAD = ($NOW - $TICK_START) / $TICK;
		3943	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3944
		3945	if (0) {
		3946	if ($NEXT_TICK) {
		3947	my $jitter = $TICK_START - $NEXT_TICK;
		3948	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3949	warn "jitter $JITTER\n";#d#
		3950	}
		3951	}
		3952	}
		3953
		3954	{
		3955	# configure BDB
		3956
		3957	BDB::min_parallel 16;
		3958	BDB::max_poll_reqs $TICK * 0.1;
		3959	$AnyEvent::BDB::WATCHER->priority (1);
		3960
		3961	unless ($DB_ENV) {
		3962	$DB_ENV = BDB::db_env_create;
		3963	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3964	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3965	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3966	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3967	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3968
		3969	cf::sync_job {
		3970	eval {
		3971	BDB::db_env_open
		3972	$DB_ENV,
		3973	$BDBDIR,
		3974	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3975	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3976	0666;
		3977
		3978	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3979	};
		3980
		3981	cf::cleanup "db_env_open(db): $@" if $@;
		3982	};
		3983	}
		3984
		3985	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3986	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3987	};
		3988	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3989	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3990	};
		3991	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3992	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3993	};
		3994	}
		3995
		3996	{
		3997	# configure IO::AIO
		3998
		3999	IO::AIO::min_parallel 8;
		4000	IO::AIO::max_poll_time $TICK * 0.1;
		4001	undef $AnyEvent::AIO::WATCHER;
		4002	}
		4003
		4004	my $_log_backtrace;
		4005
		4006	sub _log_backtrace {
		4007	my ($msg, @addr) = @_;
		4008
		4009	$msg =~ s/\n//;
		4010
		4011	# limit the # of concurrent backtraces
		4012	if ($_log_backtrace < 2) {
		4013	++$_log_backtrace;
		4014	my $perl_bt = Carp::longmess $msg;
		4015	async {
		4016	$Coro::current->{desc} = "abt $msg";
		4017
		4018	my @bt = fork_call {
		4019	@addr = map { sprintf "%x", $_ } @addr;
		4020	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4021	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4022	or die "addr2line: $!";
		4023
		4024	my @funcs;
		4025	my @res = <$fh>;
		4026	chomp for @res;
		4027	while (@res) {
		4028	my ($func, $line) = splice @res, 0, 2, ();
		4029	push @funcs, "[$func] $line";
		4030	}
		4031
		4032	@funcs
		4033	};
		4034
		4035	LOG llevInfo, "[ABT] $perl_bt\n";
		4036	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4037	LOG llevInfo, "[ABT] $_\n" for @bt;
		4038	--$_log_backtrace;
		4039	};
		4040	} else {
		4041	LOG llevInfo, "[ABT] $msg\n";
		4042	LOG llevInfo, "[ABT] [suppressed]\n";
		4043	}
		4044	}
		4045
		4046	# load additional modules
		4047	require "cf/$_.pm" for @EXTRA_MODULES;
		4048	cf::_connect_to_perl_2;
2216		4049
2217	END { cf::emergency_save }	4050	END { cf::emergency_save }
2218		4051
2219	1	4052	1
2220		4053

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