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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.143 by root, Sun Jan 7 02:39:14 2007 UTC vs.
Revision 1.506 by root, Wed Feb 3 20:48:22 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO; # coroutines bound to extensions	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
76	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		177
78	#############################################################################	178	#############################################################################
79		179
80	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
81		181
…		…
88	=item $cf::RUNTIME	188	=item $cf::RUNTIME
89		189
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	191	every server tick.
92		192
93	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		196
95	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
97		201
98	=item $cf::NOW	202	=item $cf::NOW
99		203
100	The time of the last (current) server tick.	204	The time of the last (current) server tick.
101		205
102	=item $cf::TICK	206	=item $cf::TICK
103		207
104	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
105		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
106	=item %cf::CFG	220	=item %cf::CFG
107		221
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	223	from wherever your confdir points to.
110		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
111	=back	243	=back
112		244
113	=cut	245	=cut
114		246
115	BEGIN {	247	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	248	my $msg = join "", @_;
118	utf8::encode $msg;
119		249
120	$msg .= "\n"	250	$msg .= "\n"
121	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
122		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
123	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
124	};	256	};
125	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
126		271
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		279
134	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	281	# within the Safe compartment.
136	for my $pkg (qw(	282	for my $pkg (qw(
137	cf::global cf::attachable	283	cf::global cf::attachable
138	cf::object cf::object::player	284	cf::object cf::object::player
139	cf::client cf::player	285	cf::client cf::player
140	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
141	cf::map cf::party cf::region	288	cf::party cf::region
142	)) {	289	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	291	}
146		292
147	$Event::DIED = sub {	293	$EV::DIED = sub {
148	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
149	};	295	};
150		296
151	my %ext_pkg;	297	#############################################################################
152	my @exts;
153	my @hook;
154		298
155	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
156		300
157	=over 4	301	=over 4
158		302
159	=cut	303	=item dumpval $ref
160		304
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
162		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
163	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
164		327
165	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
166		329
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
175		331
176	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
177		333
178	=cut	334	=cut
179		335
180	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
182	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
183	}	353	}
184		354
185	=item cf::lock_wait $string	355	=item cf::lock_wait $string
186		356
187	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
188		358
189	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
190		360
191	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
194	returned.	364	returned.
195		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
196	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
198		371
199	=cut	372	=item $locked = cf::lock_active $string
200		373
201	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
202		379
203	sub lock_wait($) {	380	sub lock_wait($) {
204	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	382	}
212		383
213	sub lock_acquire($) {	384	sub lock_acquire($) {
214	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
215		387
216	# wait, to be sure we are not locked	388	sub lock_active($) {
217	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	390	}
226		391
227	sub freeze_mainloop {	392	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
229		394
230	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	396	}
232	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		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	$sig->wait;
233	}	478	}
234		479
235	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
236		481
237	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		487
243	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
244		489
245	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
246		491
247	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
250		496
251	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
254	fast or be very important.	500	fast or be very important.
…		…
257		503
258	sub sync_job(&) {	504	sub sync_job(&) {
259	my ($job) = @_;	505	my ($job) = @_;
260		506
261	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
262	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
264		512
265	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	514
267	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
268		516
269	my $busy = 1;	517	my $busy = 1;
270	my @res;	518	my @res;
271		519
272	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	522	@res = eval { $job->() };
274	warn $@ if $@;	523	warn $@ if $@;
275	undef $busy;	524	undef $busy;
276	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
277		526
278	while ($busy) {	527	while ($busy) {
279	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
280	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
281		538
282	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
283	} else {	540	} else {
284	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
285		542
…		…
287	}	544	}
288	}	545	}
289		546
290	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
291		548
292	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	550	extension calling this is being unloaded.
294		551
295	=cut	552	=cut
296		553
297	sub async_ext(&) {	554	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
306		563
307	$coro	564	$coro
308	}	565	}
309		566
310	sub write_runtime {	567	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		568
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
314	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.
315		573
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		575
320	aio_fsync $fh	576	sub fork_call(&@) {
321	and return;	577	my ($cb, @args) = @_;
322		578
323	close $fh	579	# we seemingly have to make a local copy of the whole thing,
324	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
325		582
326	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
327	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
328		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
329	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 => $type });
330	}	754	}
331		755
332	=back	756	=back
333		757
334	=cut	758	=cut
335		759
336	#############################################################################	760	#############################################################################
337		761
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
459		763
460	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
461	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")
462	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
463		767
464	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>
465	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
466	crossfire+).	770	Deliantra).
467		771
468	=over 4	772	=over 4
469		773
470	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
471		775
…		…
515	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
516		820
517	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
519		823
520	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
522		826
523	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
524		828
525	=over 4	829	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	890	our @CB_MAP = ();
587		891
588	my %attachment;	892	my %attachment;
589		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
590	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
592		902
593	use sort 'stable';	903	use sort 'stable';
594		904
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
629		939
630	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		944
635	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	946	my $pkg = shift @arg;
637		947
638	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
668	}	978	}
669		979
670	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
671	} else {	981	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	983	}
674		984
675	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
676	}	986	}
677		987
…		…
679	if (ref $_[0]) {	989	if (ref $_[0]) {
680	_object_attach @_;	990	_object_attach @_;
681	} else {	991	} else {
682	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
683	}	993	}
		994	_recalc_want;
684	};	995	};
685		996
686	# all those should be optimised	997	# all those should be optimised
687	sub cf::attachable::detach {	998	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1003	reattach ($obj);
693	} else {	1004	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
695	}	1006	}
		1007	_recalc_want;
696	};	1008	};
697		1009
698	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
700		1012
…		…
715	";	1027	";
716	die if $@;	1028	die if $@;
717	}	1029	}
718		1030
719	our $override;	1031	our $override;
720	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?
721		1033
722	sub override {	1034	sub override {
723	$override = 1;	1035	$override = 1;
724	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
725	}	1037	}
726		1038
727	sub do_invoke {	1039	sub do_invoke {
728	my $event = shift;	1040	my $event = shift;
729	my $callbacks = shift;	1041	my $callbacks = shift;
730		1042
731	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
732		1044
733	local $override;	1045	local $override;
734		1046
735	for (@$callbacks) {	1047	for (@$callbacks) {
736	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
745	}	1057	}
746		1058
747	0	1059	0
748	}	1060	}
749		1061
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1063
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1065
754	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
755		1067
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1071
760	=back	1072	=back
761		1073
762	=cut	1074	=cut
763		1075
764	#############################################################################	1076	#############################################################################
765	# 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	}
766		1120
767	sub reattach {	1121	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
769	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
770		1127
771	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
772		1129
773	@$registry = ();	1130	@$registry = ();
774		1131
…		…
789	cf::attachable->attach (	1146	cf::attachable->attach (
790	prio => -1000000,	1147	prio => -1000000,
791	on_instantiate => sub {	1148	on_instantiate => sub {
792	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
793		1150
794	$data = from_json $data;	1151	$data = decode_json $data;
795		1152
796	for (@$data) {	1153	for (@$data) {
797	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
798		1155
799	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1172	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
817		1174
818	sync_job {	1175	sync_job {
819	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
822		1180
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$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;
826	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
827	close $fh;	1188	aio_close $fh;
828		1189
829	if (@$objs) {	1190	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	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;
834	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
835	close $fh;	1199	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
837	}	1201	}
838	} else {	1202	} else {
839	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
840	}	1204	}
841		1205
842	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1210	} else {
844	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
845	}	1212	}
846	} else {	1213	} else {
847	aio_unlink $filename;	1214	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
849	}	1216	}
850	}	1217	};
851	}	1218	}
852		1219
853	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
855		1222
…		…
867	or return;	1234	or return;
868		1235
869	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
871	or return;	1238	or return;
		1239
872	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
873	}	1242	}
874		1243
		1244	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
877	return ($data, $av);	1248	($data, $av)
878	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
879		1256
880	#############################################################################	1257	#############################################################################
881	# command handling &c	1258	# command handling &c
882		1259
883	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1274	}
898		1275
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1277
901	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.
902		1283
903	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
904	called.	1285	called.
905		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
906	=cut	1298	=cut
907		1299
908	sub register_extcmd {	1300	sub register_extcmd {
909	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
910		1302
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
915	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
916		1313
917	cf::player->attach (	1314	cf::player->attach (
918	on_command => sub {	1315	on_command => sub {
919	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
920		1317
…		…
928	cf::override;	1325	cf::override;
929	},	1326	},
930	on_extcmd => sub {	1327	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
932		1329
933	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1331
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
941	} else {	1347	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1349	}
944		1350
945	cf::override;	1351	cf::override;
946	},	1352	},
947	);	1353	);
948		1354
949	sub register {	1355	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1356	sub cache_extensions {
956	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
957		1358
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1362	}
1008	}	1363	};
1009		1364
1010	# remove extcmds	1365	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1366	}
1024		1367
1025	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
1026	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1373	next unless -r $path;
1028	eval {	1374
1029	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
1030	1	1435	}
1031	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
1032	}	1446	};
1033	}	1447	}
1034		1448
1035	#############################################################################	1449	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1450
1038	*cf::mapsupport::on_clean = sub {	1451	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1452
1073	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
1074		1454
1075	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
1076		1456
1077	=cut	1457	=cut
1078		1458
1079	package cf::player;	1459	package cf::player;
1080		1460
		1461	use Coro::AIO;
		1462
1081	=head3 cf::player	1463	=head3 cf::player
1082		1464
1083	=over 4	1465	=over 4
1084		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
1085	=item cf::player::find $login	1481	=item cf::player::find $login
1086		1482
1087	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
1088		1484
1089	=cut	1485	=cut
1090		1486
		1487	sub playerdir($) {
		1488	"$PLAYERDIR/"
		1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1490	}
		1491
1091	sub path($) {	1492	sub path($) {
1092	sprintf "%s/%s/%s/%s.pl",	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093	cf::localdir, cf::playerdir,	1494
1094	(ref $_[0] ? $_[0]->ob->name : $_[0]) x 2	1495	(playerdir $login) . "/playerdata"
1095	}	1496	}
1096		1497
1097	sub find_active($) {	1498	sub find_active($) {
1098	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
1099	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
1102		1503
1103	sub exists($) {	1504	sub exists($) {
1104	my ($login) = @_;	1505	my ($login) = @_;
1105		1506
1106	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
1107	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
1108	}	1509	}
1109		1510
1110	sub find($) {	1511	sub find($) {
1111	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
1112	my $login = $_[0];	1513	my $login = $_[0];
1113		1514
1114	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
1115		1516
1116	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1517	$cf::PLAYER{$_[0]} || do {
		1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
		1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
		1533	$cf::PLAYER{$login} = $pl
		1534	}
1117	};	1535	}
1118	}	1536	}
1119		1537
1120	sub save($) {	1538	sub save($) {
1121	my ($pl) = @_;	1539	my ($pl) = @_;
1122		1540
…		…
1124		1542
1125	my $path = path $pl;	1543	my $path = path $pl;
1126	my $guard = cf::lock_acquire "user_save:$path";	1544	my $guard = cf::lock_acquire "user_save:$path";
1127		1545
1128	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
		1547
		1548	aio_mkdir playerdir $pl, 0770;
1129	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1130		1550
1131	Coro::cede;	1551	cf::get_slot 0.01;
		1552
1132	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1133	Coro::cede;	1554	cf::cede_to_tick;
1134	}	1555	}
1135		1556
1136	sub new($) {	1557	sub new($) {
1137	my ($login) = @_;	1558	my ($login) = @_;
1138		1559
…		…
1144	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1145		1566
1146	$self	1567	$self
1147	}	1568	}
1148		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
		1580	=item $pl->quit_character
		1581
		1582	Nukes the player without looking back. If logged in, the connection will
		1583	be destroyed. May block for a long time.
		1584
		1585	=cut
		1586
		1587	sub quit_character {
		1588	my ($pl) = @_;
		1589
		1590	my $name = $pl->ob->name;
		1591
		1592	$pl->{deny_save} = 1;
		1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1594
		1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
		1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1600	$pl->ns->destroy if $pl->ns;
		1601
		1602	my $path = playerdir $pl;
		1603	my $temp = "$path~$cf::RUNTIME~deleting~";
		1604	aio_rename $path, $temp;
		1605	delete $cf::PLAYER{$pl->ob->name};
		1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
		1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
		1628	}
		1629
		1630	=item cf::player::list_logins
		1631
		1632	Returns am arrayref of all valid playernames in the system, can take a
		1633	while and may block, so not sync_job-capable, ever.
		1634
		1635	=cut
		1636
		1637	sub list_logins {
		1638	my $dirs = aio_readdir $PLAYERDIR
		1639	or return [];
		1640
		1641	my @logins;
		1642
		1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
		1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1650	aio_read $fh, 0, 512, my $buf, 0 or next;
		1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
		1653
		1654	utf8::decode $login;
		1655	push @logins, $login;
		1656	}
		1657
		1658	\@logins
		1659	}
		1660
		1661	=item $player->maps
		1662
		1663	Returns an arrayref of map paths that are private for this
		1664	player. May block.
		1665
		1666	=cut
		1667
		1668	sub maps($) {
		1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
		1672
		1673	my $files = aio_readdir playerdir $pl
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.(?:pl|pst)$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise "~$pl/$_";
		1684	}
		1685
		1686	\@paths
		1687	}
		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1149	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1150		1694
1151	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1152		1696
1153	=cut	1697	=cut
1154		1698
1155	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1156	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1157		1701
1158	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1159
1160	$self->send ("ext " . cf::to_json \%msg);
1161	}	1703	}
1162		1704
1163	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1164		1745
1165	=back	1746	=back
1166
1167		1747
1168	=head3 cf::map	1748	=head3 cf::map
1169		1749
1170	=over 4	1750	=over 4
1171		1751
…		…
1174	package cf::map;	1754	package cf::map;
1175		1755
1176	use Fcntl;	1756	use Fcntl;
1177	use Coro::AIO;	1757	use Coro::AIO;
1178		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1179	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1180	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1181		1765
1182	sub generate_random_map {	1766	sub generate_random_map {
1183	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1184		1770
1185	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1186	cf::map::_create_random_map	1772	$self->_create_random_map (
1187	$path,
1188	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1192	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1193	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1781	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1199	}	1785	}
1200		1786
1201	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1202	# all maps in C++...
1203	sub change_all_map_light {
1204	my ($change) = @_;
1205		1788
1206	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1207	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1208	}	1791	default).
1209		1792
1210	sub try_load_header($) {	1793	=cut
		1794
		1795	sub register {
		1796	my (undef, $regex, $prio) = @_;
		1797	my $pkg = caller;
		1798
		1799	no strict;
		1800	push @{"$pkg\::ISA"}, __PACKAGE__;
		1801
		1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1803	}
		1804
		1805	# also paths starting with '/'
		1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1807
		1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
		1811	# we have to keep some variables in memory intact
		1812	local $self->{path};
		1813	local $self->{load_path};
		1814
		1815	$self->SUPER::thawer_merge ($merge);
		1816	}
		1817
		1818	sub normalise {
1211	my ($path) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
		1824
		1825	# map plan:
		1826	#
		1827	# /! non-realised random map exit (special hack!)
		1828	# {... are special paths that are not being touched
		1829	# ?xxx/... are special absolute paths
		1830	# ?random/... random maps
		1831	# /... normal maps
		1832	# ~user/... per-player map of a specific user
		1833
		1834	$path =~ s/$PATH_SEP/\//go;
		1835
		1836	# treat it as relative path if it starts with
		1837	# something that looks reasonable
		1838	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1839	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1840
		1841	$base =~ s{[^/]+/?$}{};
		1842	$path = "$base/$path";
		1843	}
		1844
		1845	for ($path) {
		1846	redo if s{//}{/};
		1847	redo if s{/\.?/}{/};
		1848	redo if s{/[^/]+/\.\./}{/};
		1849	}
		1850
		1851	$path
		1852	}
		1853
		1854	sub new_from_path {
		1855	my (undef, $path, $base) = @_;
		1856
		1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1858
		1859	$path = normalise $path, $base;
		1860
		1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1863	my $self = bless cf::map::new, $pkg;
		1864	$self->{path} = $path; $self->path ($path);
		1865	$self->init; # pass $1 etc.
		1866	return $self;
		1867	}
		1868	}
		1869
		1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1871	()
		1872	}
		1873
		1874	sub init {
		1875	my ($self) = @_;
		1876
		1877	$self
		1878	}
		1879
		1880	sub as_string {
		1881	my ($self) = @_;
		1882
		1883	"$self->{path}"
		1884	}
		1885
		1886	# the displayed name, this is a one way mapping
		1887	sub visible_name {
		1888	&as_string
		1889	}
		1890
		1891	# the original (read-only) location
		1892	sub load_path {
		1893	my ($self) = @_;
		1894
		1895	"$MAPDIR/$self->{path}.map"
		1896	}
		1897
		1898	# the temporary/swap location
		1899	sub save_path {
		1900	my ($self) = @_;
		1901
		1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1903	"$TMPDIR/$path.map"
		1904	}
		1905
		1906	# the unique path, undef == no special unique path
		1907	sub uniq_path {
		1908	my ($self) = @_;
		1909
		1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1911	"$UNIQUEDIR/$path"
		1912	}
		1913
		1914	sub decay_objects {
		1915	my ($self) = @_;
		1916
		1917	return if $self->{deny_reset};
		1918
		1919	$self->do_decay_objects;
		1920	}
		1921
		1922	sub unlink_save {
		1923	my ($self) = @_;
		1924
		1925	utf8::encode (my $save = $self->save_path);
		1926	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1927	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1928	}
		1929
		1930	sub load_header_from($) {
		1931	my ($self, $path) = @_;
1212		1932
1213	utf8::encode $path;	1933	utf8::encode $path;
1214	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1215	or return;	1935	or return;
1216		1936
1217	my $map = cf::map::new	1937	$self->_load_header ($f)
1218	or return;	1938	or return;
1219		1939
1220	# for better error messages only, will be overwritten	1940	local $MAP_LOADING{$self->{path}} = $self;
1221	$map->path ($path);	1941	$f->resolve_delayed_derefs;
1222		1942
1223	$map->load_header ($path)	1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1224	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1225		1989
1226	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1227		1992
1228	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1229	}	1997	}
1230		1998
1231	sub find;	1999	sub find;
1232	sub find {	2000	sub find {
1233	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1234		2002
1235	#warn "find<$path,$origin>\n";#d#
1236
1237	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1238	my $key = $path->as_string;
1239		2004
1240	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1241
1242	$cf::MAP{$key} || do {
1243	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1244		2007
1245	# do it the slow way	2008	$cf::MAP{$path} || do {
1246	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1247
1248	Coro::cede;
1249
1250	if ($map) {
1251	$map->last_access ((delete $map->{last_access})
1252	|| $cf::RUNTIME); #d#
1253	# safety
1254	$map->{instantiate_time} = $cf::RUNTIME
1255	if $map->{instantiate_time} > $cf::RUNTIME;
1256	} else {
1257	if (my $rmp = $path->random_map_params) {
1258	$map = generate_random_map $key, $rmp;
1259	} else {
1260	$map = try_load_header $path->load_path;
1261	}
1262
1263	$map or return;	2010	or return;
1264		2011
1265	$map->{load_original} = 1;
1266	$map->{instantiate_time} = $cf::RUNTIME;
1267	$map->last_access ($cf::RUNTIME);
1268	$map->instantiate;
1269
1270	# per-player maps become, after loading, normal maps
1271	$map->per_player (0) if $path->{user_rel};
1272	}
1273
1274	$map->path ($key);
1275	$map->{path} = $path;
1276	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1277		2013
1278	Coro::cede;	2014	$map->load_header
		2015	or return;
1279		2016
1280	if ($map->should_reset) {	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1281	$map->reset;	2022	$map->reset;
1282	undef $guard;
1283	$map = find $path	2023	return find $path;
1284	or return;
1285	}	2024	}
1286		2025
1287	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1288	}	2027	}
1289	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1290		2032
1291	sub load {	2033	sub load {
1292	my ($self) = @_;	2034	my ($self) = @_;
1293		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1294	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1295	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1296		2042
		2043	return unless $self->valid;
1297	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1298		2045
1299	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1300		2047
1301	$self->alloc;	2048	$self->alloc;
1302	$self->load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1303	or return;	2056	or return;
1304		2057
1305	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1306	if delete $self->{load_original};	2059	if delete $self->{load_original};
1307		2060
1308	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1309	utf8::encode $uniq;	2062	utf8::encode $uniq;
1310	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1311	$self->clear_unique_items;	2065	$self->clear_unique_items;
1312	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1313	}	2069	}
1314	}	2070	}
1315		2071
1316	Coro::cede;	2072	$f->resolve_delayed_derefs;
1317		2073
		2074	cf::cede_to_tick;
1318	# now do the right thing for maps	2075	# now do the right thing for maps
1319	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1320
1321	if ($self->{path}->is_style_map) {
1322	$self->{deny_save} = 1;
1323	$self->{deny_reset} = 1;
1324	} else {
1325	$self->fix_auto_apply;
1326	$self->decay_objects;
1327	$self->update_buttons;
1328	$self->set_darkness_map;
1329	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1330	unless $self->difficulty;	2078	unless $self->difficulty;
		2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1331	$self->activate;	2086	$self->activate;
1332	}	2087	}
1333		2088
1334	Coro::cede;	2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
1335		2091
1336	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	sub customise_for {
		2099	my ($self, $ob) = @_;
		2100
		2101	return find "~" . $ob->name . "/" . $self->{path}
		2102	if $self->per_player;
		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
		2107	$self
		2108	}
		2109
		2110	# find and load all maps in the 3x3 area around a map
		2111	sub load_neighbours {
		2112	my ($map) = @_;
		2113
		2114	my @neigh; # diagonal neighbours
		2115
		2116	for (0 .. 3) {
		2117	my $neigh = $map->tile_path ($_)
		2118	or next;
		2119	$neigh = find $neigh, $map
		2120	or next;
		2121	$neigh->load;
		2122
		2123	push @neigh,
		2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2126	}
		2127
		2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
		2130	my $neigh = find $path, $origin
		2131	or next;
		2132	$neigh->load;
		2133	}
1337	}	2134	}
1338		2135
1339	sub find_sync {	2136	sub find_sync {
1340	my ($path, $origin) = @_;	2137	my ($path, $origin) = @_;
1341		2138
1342	cf::sync_job { cf::map::find $path, $origin }	2139	cf::sync_job { find $path, $origin }
1343	}	2140	}
1344		2141
1345	sub do_load_sync {	2142	sub do_load_sync {
1346	my ($map) = @_;	2143	my ($map) = @_;
1347		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1348	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
		2149	}
		2150
		2151	our %MAP_PREFETCH;
		2152	our $MAP_PREFETCHER = undef;
		2153
		2154	sub find_async {
		2155	my ($path, $origin, $load) = @_;
		2156
		2157	$path = normalise $path, $origin && $origin->{path};
		2158
		2159	if (my $map = $cf::MAP{$path}) {
		2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2161	}
		2162
		2163	$MAP_PREFETCH{$path} |= $load;
		2164
		2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
		2168	while (%MAP_PREFETCH) {
		2169	while (my ($k, $v) = each %MAP_PREFETCH) {
		2170	if (my $map = find $k) {
		2171	$map->load if $v;
		2172	}
		2173
		2174	delete $MAP_PREFETCH{$k};
		2175	}
		2176	}
		2177	undef $MAP_PREFETCHER;
		2178	};
		2179	$MAP_PREFETCHER->prio (6);
		2180
		2181	()
1349	}	2182	}
1350		2183
1351	sub save {	2184	sub save {
1352	my ($self) = @_;	2185	my ($self) = @_;
1353		2186
1354	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1355		2188
1356	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1357		2190
1358	return unless $self->dirty;	2191	return unless $self->dirty;
1359		2192
1360	my $save = $self->{path}->save_path; utf8::encode $save;	2193	my $save = $self->save_path; utf8::encode $save;
1361	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2194	my $uniq = $self->uniq_path; utf8::encode $uniq;
1362		2195
1363	$self->{load_path} = $save;	2196	$self->{load_path} = $save;
1364		2197
1365	return if $self->{deny_save};	2198	return if $self->{deny_save};
1366		2199
1367	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1368		2201
1369	cf::async {	2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
1370	$_->contr->save for $self->players;	2204	$_->contr->save for $self->players;
1371	};	2205	};
1372		2206
		2207	cf::get_slot 0.02;
		2208
1373	if ($uniq) {	2209	if ($uniq) {
1374	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375	$self->save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1376	} else {	2212	} else {
1377	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378	}	2214	}
1379	}	2215	}
1380		2216
1381	sub swap_out {	2217	sub swap_out {
1382	my ($self) = @_;	2218	my ($self) = @_;
1383		2219
1384	# save first because save cedes	2220	# save first because save cedes
1385	$self->save;	2221	$self->save;
1386		2222
1387	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1388		2224
1389	return if $self->players;	2225	return if $self->players;
1390	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1391	return if $self->{deny_save};	2227	return if $self->{deny_save};
1392		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1393	$self->clear;	2233	$self->clear;
1394	$self->in_memory (cf::MAP_SWAPPED);
1395	}	2234	}
1396		2235
1397	sub reset_at {	2236	sub reset_at {
1398	my ($self) = @_;	2237	my ($self) = @_;
1399		2238
1400	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1401	return 1e99 if $self->{path}{user_rel};
1402	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1403		2241
1404	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406		2244
…		…
1411	my ($self) = @_;	2249	my ($self) = @_;
1412		2250
1413	$self->reset_at <= $cf::RUNTIME	2251	$self->reset_at <= $cf::RUNTIME
1414	}	2252	}
1415		2253
1416	sub unlink_save {
1417	my ($self) = @_;
1418
1419	utf8::encode (my $save = $self->{path}->save_path);
1420	aioreq_pri 3; IO::AIO::aio_unlink $save;
1421	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422	}
1423
1424	sub rename {
1425	my ($self, $new_path) = @_;
1426
1427	$self->unlink_save;
1428
1429	delete $cf::MAP{$self->path};
1430	$self->{path} = new cf::path $new_path;
1431	$self->path ($self->{path}->as_string);
1432	$cf::MAP{$self->path} = $self;
1433
1434	$self->save;
1435	}
1436
1437	sub reset {	2254	sub reset {
1438	my ($self) = @_;	2255	my ($self) = @_;
1439		2256
1440	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1441		2258
1442	return if $self->players;	2259	return if $self->players;
1443	return if $self->{path}{user_rel};#d#
1444		2260
1445	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	# need to save uniques path
		2266	unless ($self->{deny_save}) {
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2270	if $uniq;
		2271	}
1446		2272
1447	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1448		2274
		2275	$self->deactivate;
1449	$_->clear_links_to ($self) for values %cf::MAP;	2276	$_->clear_links_to ($self) for values %cf::MAP;
		2277	$self->clear;
1450		2278
1451	$self->unlink_save;	2279	$self->unlink_save;
1452	$self->destroy;	2280	$self->destroy;
1453	}	2281	}
1454		2282
1455	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1456		2284
1457	sub nuke {	2285	sub nuke {
1458	my ($self) = @_;	2286	my ($self) = @_;
1459		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
		2291	delete $cf::MAP{$self->path};
		2292
		2293	$self->unlink_save;
		2294
		2295	bless $self, "cf::map";
		2296	delete $self->{deny_reset};
1460	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1461	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1462	$self->rename ("{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2300
		2301	$cf::MAP{$self->path} = $self;
		2302	}
		2303
1463	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1464	}	2305	}
1465		2306
1466	sub customise_for {	2307	=item $maps = cf::map::tmp_maps
1467	my ($map, $ob) = @_;
1468		2308
1469	if ($map->per_player) {	2309	Returns an arrayref with all map paths of currently instantiated and saved
1470	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
1471	}	2315	[
1472		2316	map {
1473	$map	2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
1474	}	2323	}
1475		2324
1476	sub emergency_save {	2325	=item $maps = cf::map::random_maps
1477	my $freeze_guard = cf::freeze_mainloop;
1478		2326
1479	warn "enter emergency map save\n";	2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
1480		2329
1481	cf::sync_job {	2330	=cut
1482	warn "begin emergency map save\n";	2331
1483	$_->save for values %cf::MAP;	2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
		2341	}
		2342
		2343	=item cf::map::unique_maps
		2344
		2345	Returns an arrayref of paths of all shared maps that have
		2346	instantiated unique items. May block.
		2347
		2348	=cut
		2349
		2350	sub unique_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	s/\.map$//; # TODO future compatibility hack
		2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2356	? ()
		2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
1484	};	2389	}
1485		2390
1486	warn "end emergency map save\n";	2391	\@maps
		2392	}
		2393
		2394	=back
		2395
		2396	=head3 cf::object
		2397
		2398	=cut
		2399
		2400	package cf::object;
		2401
		2402	=over 4
		2403
		2404	=item $ob->inv_recursive
		2405
		2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
		2408
		2409	=cut
		2410
		2411	sub inv_recursive_;
		2412	sub inv_recursive_ {
		2413	map { $_, inv_recursive_ $_->inv } @_
		2414	}
		2415
		2416	sub inv_recursive {
		2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1487	}	2446	}
1488		2447
1489	package cf;	2448	package cf;
1490		2449
1491	=back	2450	=back
1492
1493		2451
1494	=head3 cf::object::player	2452	=head3 cf::object::player
1495		2453
1496	=over 4	2454	=over 4
1497		2455
…		…
1500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1501	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1502	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1503		2461
1504	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1505		2477
1506	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1507	# with dialog boxes.	2479	# with dialog boxes.
1508	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1509	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1511		2483
1512	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1513		2485
1514	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1515	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1516	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1517	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1518	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1519	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1520	}	2511	}
1521		2512
1522	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1523		2514
1524	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1537		2528
1538	=item $player_object->enter_link	2529	=item $player_object->enter_link
1539		2530
1540	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1541		2532
1542	The player should be reaosnably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1543	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
		2537
		2538	Will never block.
1544		2539
1545	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1546		2541
1547	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1548	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1549	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1550	to the emergency map position.	2545	fails, to the emergency map position.
1551		2546
1552	Might block.	2547	Might block.
1553		2548
1554	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($LINK_MAP) {
		2553	$LINK_MAP = cf::map::find "{link}"
		2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2555	$LINK_MAP->load;
		2556	}
		2557
		2558	$LINK_MAP
		2559	}
1555		2560
1556	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1557	my ($self) = @_;	2562	my ($self) = @_;
1558		2563
1559	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1560		2565
1561	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1562		2567
1563	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1564	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1565		2570
1566	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1567	}	2572	}
1568		2573
1569	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1570	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1571		2578
1572	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1573		2580
1574	unless ($map) {	2581	unless ($map) {
1575	# restore original map position	2582	# restore original map position
…		…
1586	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1587	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1588		2595
1589	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1590	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1591	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1592		2599
1593	$map->load;	2600	$map->load;
		2601	$map->load_neighbours;
1594		2602
1595	return unless $self->contr->active;	2603	return unless $self->contr->active;
		2604
		2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2606	$self->enter_map ($map, $x, $y);
		2607
		2608	# only activate afterwards, to support waiting in hooks
1596	$self->activate_recursive;	2609	$self->activate_recursive;
1597	$self->enter_map ($map, $x, $y);
1598	}	2610	}
1599		2611
1600	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1601	on_logout => sub {
1602	my ($pl) = @_;
1603		2613
1604	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1605	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1606	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1607	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1608	};	2618	be called at the end of this process.
1609	}
1610	},
1611	on_login => sub {
1612	my ($pl) = @_;
1613		2619
1614	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1615	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1616	if ($pl->ob->{_link_pos}) {
1617	$pl->ob->enter_link;
1618	(async {
1619	# we need this sleep as the login has a concurrent enter_exit running
1620	# and this sleep increases chances of the player not ending up in scorn
1621	$pl->ob->reply (undef,
1622	"There was an internal problem at your last logout, "
1623	. "the server will try to bring you to your intended destination in a second.",
1624	cf::NDI_RED);
1625	Coro::Timer::sleep 1;
1626	$pl->ob->leave_link;
1627	})->prio (2);
1628	}
1629	},
1630	);
1631		2622
1632	=item $player_object->goto ($path, $x, $y)
1633
1634	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1635		2626
1636	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1637	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1638		2632
1639	$self->enter_link;	2633	$self->enter_link;
1640		2634
1641	(async {	2635	(async {
1642	$path = new cf::path $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
1643		2637
1644	my $map = cf::map::find $path->as_string;	2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1645	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1646		2662	$map = $check->($map) if $check && $map;
1647	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1648	# if $map;
1649
1650	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1651		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1652	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1653	})->prio (1);	2681	})->prio (1);
1654	}	2682	}
1655		2683
1656	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1657		2685
…		…
1659		2687
1660	sub parse_random_map_params {	2688	sub parse_random_map_params {
1661	my ($spec) = @_;	2689	my ($spec) = @_;
1662		2690
1663	my $rmp = { # defaults	2691	my $rmp = { # defaults
1664	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1665	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1666	};	2696	};
1667		2697
1668	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1669	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1670		2700
…		…
1682	# that depends on the exit object	2712	# that depends on the exit object
1683		2713
1684	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1685		2715
1686	if ($exit->map) {	2716	if ($exit->map) {
1687	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1688	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1689	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1690	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1691	}	2723	}
1692		2724
1693	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1694		2726
1695	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1696	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1697		2730
1698	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1699	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1700		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1701	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1702	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1703	}	2742	}
1704	}	2743	}
1705		2744
1706	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1707	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1709	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1710		2749
1711	$self->enter_link;	2750	$self->enter_link;
1712		2751
1713	(async {	2752	(async {
1714	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1715	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1716	prepare_random_map $exit	2762	prepare_random_map $exit
1717	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1718		2765
1719	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1720	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1721		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1722	1;	2776	1
1723	}) {	2777	}) {
1724	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1725	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1726	. "Please report this to the dungeon master",	2780	. "Please report this to the dungeon master!",
1727	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1728		2782
1729	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1730	$self->leave_link;	2784	$self->leave_link;
1731	}	2785	}
1732	})->prio (1);	2786	})->prio (1);
…		…
1745		2799
1746	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1747	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1748		2802
1749	utf8::encode $text;	2803	utf8::encode $text;
1750	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1751	}	2805	}
1752		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1753		3028
1754	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1755		3030
1756	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1757	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1758	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1759		3034
1760	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
1761	reliable at some point in the future.	3036	become reliable at some point in the future.
1762		3037
1763	=cut	3038	=cut
1764		3039
1765	sub cf::client::query {	3040	sub cf::client::query {
1766	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1774	utf8::encode $text;	3049	utf8::encode $text;
1775	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1776		3051
1777	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
1778	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
1779	}	3056	}
1780		3057
1781	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
1782	on_reply => sub {	3064	on_reply => sub {
1783	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
1784		3066
1785	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
1786	# get handled first	3068	# get handled first
1787	my $queue = delete $ns->{query_queue}	3069	my $queue = delete $ns->{query_queue}
1788	or return; # be conservative, not sure how that can happen, but we saw a crash here	3070	or return; # be conservative, not sure how that can happen, but we saw a crash here
1789		3071
1790	(shift @$queue)->[1]->($msg);	3072	(shift @$queue)->[1]->($msg);
		3073	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1791		3074
1792	push @{ $ns->{query_queue} }, @$queue;	3075	push @{ $ns->{query_queue} }, @$queue;
1793		3076
1794	if (@{ $ns->{query_queue} } == @$queue) {	3077	if (@{ $ns->{query_queue} } == @$queue) {
1795	if (@$queue) {	3078	if (@$queue) {
…		…
1797	} else {	3080	} else {
1798	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1799	}	3082	}
1800	}	3083	}
1801	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
1802	);	3111	);
1803		3112
1804	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
1805		3114
1806	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
1847	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
1848	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
1849		3158
1850	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
1851		3160
1852	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
1853		3166
1854	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
1855		3168
1856	=pod	3169	=pod
1857		3170
1858	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
1859		3172
1860	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
1861	cf::object::player player	3178	cf::object::player
1862	cf::player peaceful	3179	player
1863	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
1864		3186
1865	=cut	3187	=cut
1866		3188
1867	for (	3189	for (
1868	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
1869	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
1870	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
1871	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
1872	) {	3196	) {
1873	no strict 'refs';	3197	no strict 'refs';
1874	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
1875	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1893		3217
1894	my $qcode = $code;	3218	my $qcode = $code;
1895	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1896	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
1897		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
1898	local $_;	3225	local $_;
1899	local @safe::cf::_safe_eval_args = values %vars;
1900		3226
1901	my $eval =	3227	my $eval =
1902	"do {\n"	3228	"do {\n"
1903	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1904	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
1905	. $code	3231	. $code
1906	. "\n}"	3232	. "\n}"
1907	;	3233	;
1908		3234
		3235	if ($CFG{safe_eval}) {
1909	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
1910	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1911	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
1912		3244
1913	if ($@) {	3245	if ($@) {
1914	warn "$@";	3246	warn "$@";
1915	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
1916	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1935	=cut	3267	=cut
1936		3268
1937	sub register_script_function {	3269	sub register_script_function {
1938	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
1939		3271
1940	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
1941	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
1942	}	3274	}
1943		3275
1944	=back	3276	=back
1945		3277
1946	=cut	3278	=cut
1947		3279
1948	#############################################################################	3280	#############################################################################
		3281	# the server's init and main functions
1949		3282
1950	=head2 EXTENSION DATABASE SUPPORT	3283	sub load_facedata($) {
		3284	my ($path) = @_;
1951		3285
1952	Crossfire maintains a very simple database for extension use. It can	3286	# HACK to clear player env face cache, we need some signal framework
1953	currently store anything that can be serialised using Storable, which	3287	# for this (global event?)
1954	excludes objects.	3288	%ext::player_env::MUSIC_FACE_CACHE = ();
1955		3289
1956	The parameter C<$family> should best start with the name of the extension	3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1957	using it, it should be unique.
1958		3291
1959	=over 4	3292	warn "loading facedata from $path\n";
1960		3293
1961	=item $hashref = cf::db_get $family	3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
1962		3297
1963	Return a hashref for use by the extension C<$family>, which can be	3298	$facedata = Coro::Storable::thaw $facedata;
1964	modified. After modifications, you have to call C<cf::db_dirty> or
1965	C<cf::db_sync>.
1966		3299
1967	=item $value = cf::db_get $family => $key	3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
1968		3302
1969	Returns a single value from the database	3303	# patch in the exptable
1970		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1971	=item cf::db_put $family => $hashref	3305	$facedata->{resource}{"res/exp_table"} = {
1972		3306	type => FT_RSRC,
1973	Stores the given family hashref into the database. Updates are delayed, if	3307	data => $exp_table,
1974	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3308	hash => (Digest::MD5::md5 $exp_table),
1975
1976	=item cf::db_put $family => $key => $value
1977
1978	Stores the given C<$value> in the family hash. Updates are delayed, if you
1979	want the data to be synced to disk immediately, use C<cf::db_sync>.
1980
1981	=item cf::db_dirty
1982
1983	Marks the database as dirty, to be updated at a later time.
1984
1985	=item cf::db_sync
1986
1987	Immediately write the database to disk I<if it is dirty>.
1988
1989	=cut
1990
1991	our $DB;
1992
1993	{
1994	my $path = cf::localdir . "/database.pst";
1995
1996	sub db_load() {
1997	$DB = stat $path ? Storable::retrieve $path : { };
1998	}
1999
2000	my $pid;
2001
2002	sub db_save() {
2003	waitpid $pid, 0 if $pid;
2004	if (0 == ($pid = fork)) {
2005	$DB->{_meta}{version} = 1;
2006	Storable::nstore $DB, "$path~";
2007	rename "$path~", $path;
2008	cf::_exit 0 if defined $pid;
2009	}
2010	}
2011
2012	my $dirty;
2013
2014	sub db_sync() {
2015	db_save if $dirty;
2016	undef $dirty;
2017	}
2018
2019	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2020	db_sync;
2021	});	3309	};
		3310	cf::cede_to_tick;
2022		3311
2023	sub db_dirty() {
2024	$dirty = 1;
2025	$idle->start;
2026	}	3312	{
		3313	my $faces = $facedata->{faceinfo};
2027		3314
2028	sub db_get($;$) {	3315	while (my ($face, $info) = each %$faces) {
2029	@_ >= 2	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2030	? $DB->{$_[0]}{$_[1]}
2031	: ($DB->{$_[0]} ||= { })
2032	}
2033		3317
2034	sub db_put($$;$) {	3318	cf::face::set_visibility $idx, $info->{visibility};
2035	if (@_ >= 3) {	3319	cf::face::set_magicmap $idx, $info->{magicmap};
2036	$DB->{$_[0]}{$_[1]} = $_[2];	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2037	} else {	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2038	$DB->{$_[0]} = $_[1];
2039	}
2040	db_dirty;
2041	}
2042		3322
2043	cf::global->attach (	3323	cf::cede_to_tick;
2044	prio => 10000,
2045	on_cleanup => sub {
2046	db_sync;
2047	},	3324	}
2048	);
2049	}
2050		3325
2051	#############################################################################	3326	while (my ($face, $info) = each %$faces) {
2052	# the server's main()	3327	next unless $info->{smooth};
2053		3328
2054	sub cfg_load {	3329	my $idx = cf::face::find $face
		3330	or next;
		3331
		3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3335	} else {
		3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3337	}
		3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
		3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
		3373	1
		3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
		3443	sub reload_resources {
		3444	warn "reloading resource files...\n";
		3445
		3446	reload_facedata;
		3447	reload_archetypes;
		3448	reload_regions;
		3449	reload_treasures;
		3450
		3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
2055	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
2056	or return;	3458	or return;
2057		3459
2058	local $/;	3460	local $/;
2059	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
2060		3462
2061	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2062		3464
2063	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2064	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2065		3467
2066	if (exists $CFG{mlockall}) {	3468	if (exists $CFG{mlockall}) {
2067	eval {	3469	eval {
2068	$CFG{mlockall} ? &mlockall : &munlockall	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2069	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2070	};	3472	};
2071	warn $@ if $@;	3473	warn $@ if $@;
2072	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2073	}	3505	}
2074		3506
2075	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2076	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2077	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2078	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2079	async { Event::one_event };	3525	(async {
		3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
		3528	})->prio (Coro::PRIO_MAX);
2080	};	3529	};
2081		3530
2082	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
2083	db_load;	3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
		3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2084	load_extensions;	3550	load_extensions;
2085	Event::loop;	3551
		3552	utime time, time, $RUNTIMEFILE;
		3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2086	}	3562	}
2087		3563
2088	#############################################################################	3564	#############################################################################
2089	# initialisation	3565	# initialisation and cleanup
2090		3566
		3567	# install some emergency cleanup handlers
		3568	BEGIN {
		3569	our %SIGWATCHER = ();
		3570	for my $signal (qw(INT HUP TERM)) {
		3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3572	cf::cleanup "SIG$signal";
		3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	my $t0 = EV::time;
		3579
		3580	# first touch the runtime file to show we are still running:
		3581	# the fsync below can take a very very long time.
		3582
		3583	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3584
		3585	my $guard = cf::lock_acquire "write_runtime";
		3586
		3587	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3588	or return;
		3589
		3590	my $value = $cf::RUNTIME + 90 + 10;
		3591	# 10 is the runtime save interval, for a monotonic clock
		3592	# 60 allows for the watchdog to kill the server.
		3593
		3594	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3595	and return;
		3596
		3597	# always fsync - this file is important
		3598	aio_fsync $fh
		3599	and return;
		3600
		3601	# touch it again to show we are up-to-date
		3602	aio_utime $fh, undef, undef;
		3603
		3604	close $fh
		3605	or return;
		3606
		3607	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3608	and return;
		3609
		3610	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3611
		3612	1
		3613	}
		3614
		3615	our $uuid_lock;
		3616	our $uuid_skip;
		3617
		3618	sub write_uuid_sync($) {
		3619	$uuid_skip ||= $_[0];
		3620
		3621	return if $uuid_lock;
		3622	local $uuid_lock = 1;
		3623
		3624	my $uuid = "$LOCALDIR/uuid";
		3625
		3626	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3627	or return;
		3628
		3629	my $value = uuid_seq uuid_cur;
		3630
		3631	unless ($value) {
		3632	warn "cowardly refusing to write zero uuid value!\n";
		3633	return;
		3634	}
		3635
		3636	my $value = uuid_str $value + $uuid_skip;
		3637	$uuid_skip = 0;
		3638
		3639	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3640	and return;
		3641
		3642	# always fsync - this file is important
		3643	aio_fsync $fh
		3644	and return;
		3645
		3646	close $fh
		3647	or return;
		3648
		3649	aio_rename "$uuid~", $uuid
		3650	and return;
		3651
		3652	warn "uuid file written ($value).\n";
		3653
		3654	1
		3655
		3656	}
		3657
		3658	sub write_uuid($$) {
		3659	my ($skip, $sync) = @_;
		3660
		3661	$sync ? write_uuid_sync $skip
		3662	: async { write_uuid_sync $skip };
		3663	}
		3664
		3665	sub emergency_save() {
		3666	my $freeze_guard = cf::freeze_mainloop;
		3667
		3668	warn "emergency_perl_save: enter\n";
		3669
		3670	cf::sync_job {
		3671	# this is a trade-off: we want to be very quick here, so
		3672	# save all maps without fsync, and later call a global sync
		3673	# (which in turn might be very very slow)
		3674	local $USE_FSYNC = 0;
		3675
		3676	# use a peculiar iteration method to avoid tripping on perl
		3677	# refcount bugs in for. also avoids problems with players
		3678	# and maps saved/destroyed asynchronously.
		3679	warn "emergency_perl_save: begin player save\n";
		3680	for my $login (keys %cf::PLAYER) {
		3681	my $pl = $cf::PLAYER{$login} or next;
		3682	$pl->valid or next;
		3683	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3684	$pl->save;
		3685	}
		3686	warn "emergency_perl_save: end player save\n";
		3687
		3688	warn "emergency_perl_save: begin map save\n";
		3689	for my $path (keys %cf::MAP) {
		3690	my $map = $cf::MAP{$path} or next;
		3691	$map->valid or next;
		3692	$map->save;
		3693	}
		3694	warn "emergency_perl_save: end map save\n";
		3695
		3696	warn "emergency_perl_save: begin database checkpoint\n";
		3697	BDB::db_env_txn_checkpoint $DB_ENV;
		3698	warn "emergency_perl_save: end database checkpoint\n";
		3699
		3700	warn "emergency_perl_save: begin write uuid\n";
		3701	write_uuid_sync 1;
		3702	warn "emergency_perl_save: end write uuid\n";
		3703	};
		3704
		3705	warn "emergency_perl_save: starting sync()\n";
		3706	IO::AIO::aio_sync sub {
		3707	warn "emergency_perl_save: finished sync()\n";
		3708	};
		3709
		3710	warn "emergency_perl_save: leave\n";
		3711	}
		3712
		3713	sub post_cleanup {
		3714	my ($make_core) = @_;
		3715
		3716	warn Carp::longmess "post_cleanup backtrace"
		3717	if $make_core;
		3718
		3719	my $fh = pidfile;
		3720	unlink $PIDFILE if <$fh> == $$;
		3721	}
		3722
		3723	# a safer delete_package, copied from Symbol
		3724	sub clear_package($) {
		3725	my $pkg = shift;
		3726
		3727	# expand to full symbol table name if needed
		3728	unless ($pkg =~ /^main::.*::$/) {
		3729	$pkg = "main$pkg" if $pkg =~ /^::/;
		3730	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3731	$pkg .= '::' unless $pkg =~ /::$/;
		3732	}
		3733
		3734	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3735	my $stem_symtab = *{$stem}{HASH};
		3736
		3737	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3738	or return;
		3739
		3740	# clear all symbols
		3741	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3742	for my $name (keys %$leaf_symtab) {
		3743	_gv_clear *{"$pkg$name"};
		3744	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3745	}
		3746	warn "cleared package $pkg\n";#d#
		3747	}
		3748
2091	sub reload() {	3749	sub do_reload_perl() {
2092	# can/must only be called in main	3750	# can/must only be called in main
2093	if ($Coro::current != $Coro::main) {	3751	if ($Coro::current != $Coro::main) {
2094	warn "can only reload from main coroutine\n";	3752	warn "can only reload from main coroutine";
2095	return;	3753	return;
2096	}	3754	}
2097		3755
		3756	return if $RELOAD++;
		3757
		3758	my $t1 = EV::time;
		3759
		3760	while ($RELOAD) {
2098	warn "reloading...";	3761	warn "reloading...";
2099		3762
2100	my $guard = freeze_mainloop;	3763	warn "entering sync_job";
		3764
		3765	cf::sync_job {
		3766	cf::write_runtime_sync; # external watchdog should not bark
2101	cf::emergency_save;	3767	cf::emergency_save;
		3768	cf::write_runtime_sync; # external watchdog should not bark
2102		3769
2103	eval {	3770	warn "syncing database to disk";
		3771	BDB::db_env_txn_checkpoint $DB_ENV;
		3772
2104	# if anything goes wrong in here, we should simply crash as we already saved	3773	# if anything goes wrong in here, we should simply crash as we already saved
2105		3774
2106	# cancel all watchers	3775	warn "flushing outstanding aio requests";
2107	for (Event::all_watchers) {	3776	while (IO::AIO::nreqs || BDB::nreqs) {
2108	$_->cancel if $_->data & WF_AUTOCANCEL;	3777	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2109	}
2110
2111	# cancel all extension coros
2112	$_->cancel for values %EXT_CORO;
2113	%EXT_CORO = ();
2114
2115	# unload all extensions
2116	for (@exts) {
2117	warn "unloading <$_>";
2118	unload_extension $_;
2119	}
2120
2121	# unload all modules loaded from $LIBDIR
2122	while (my ($k, $v) = each %INC) {
2123	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2124
2125	warn "removing <$k>";
2126	delete $INC{$k};
2127
2128	$k =~ s/\.pm$//;
2129	$k =~ s/\//::/g;
2130
2131	if (my $cb = $k->can ("unload_module")) {
2132	$cb->();
2133	}	3778	}
2134		3779
2135	Symbol::delete_package $k;	3780	warn "cancelling all extension coros";
		3781	$_->cancel for values %EXT_CORO;
		3782	%EXT_CORO = ();
		3783
		3784	warn "removing commands";
		3785	%COMMAND = ();
		3786
		3787	warn "removing ext/exti commands";
		3788	%EXTCMD = ();
		3789	%EXTICMD = ();
		3790
		3791	warn "unloading/nuking all extensions";
		3792	for my $pkg (@EXTS) {
		3793	warn "... unloading $pkg";
		3794
		3795	if (my $cb = $pkg->can ("unload")) {
		3796	eval {
		3797	$cb->($pkg);
		3798	1
		3799	} or warn "$pkg unloaded, but with errors: $@";
		3800	}
		3801
		3802	warn "... clearing $pkg";
		3803	clear_package $pkg;
2136	}	3804	}
2137		3805
2138	# sync database to disk	3806	warn "unloading all perl modules loaded from $LIBDIR";
2139	cf::db_sync;	3807	while (my ($k, $v) = each %INC) {
2140	IO::AIO::flush;	3808	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2141		3809
		3810	warn "... unloading $k";
		3811	delete $INC{$k};
		3812
		3813	$k =~ s/\.pm$//;
		3814	$k =~ s/\//::/g;
		3815
		3816	if (my $cb = $k->can ("unload_module")) {
		3817	$cb->();
		3818	}
		3819
		3820	clear_package $k;
		3821	}
		3822
2142	# get rid of safe::, as good as possible	3823	warn "getting rid of safe::, as good as possible";
2143	Symbol::delete_package "safe::$_"	3824	clear_package "safe::$_"
2144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3825	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2145		3826
2146	# remove register_script_function callbacks	3827	warn "unloading cf.pm \"a bit\"";
2147	# TODO
2148
2149	# unload cf.pm "a bit"
2150	delete $INC{"cf.pm"};	3828	delete $INC{"cf.pm"};
		3829	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2151		3830
2152	# don't, removes xs symbols, too,	3831	# don't, removes xs symbols, too,
2153	# and global variables created in xs	3832	# and global variables created in xs
2154	#Symbol::delete_package __PACKAGE__;	3833	#clear_package __PACKAGE__;
2155		3834
2156	# reload cf.pm	3835	warn "unload completed, starting to reload now";
		3836
2157	warn "reloading cf.pm";	3837	warn "reloading cf.pm";
2158	require cf;	3838	require cf;
2159	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3839	cf::_connect_to_perl_1;
2160		3840
2161	# load config and database again	3841	warn "loading config and database again";
2162	cf::cfg_load;	3842	cf::reload_config;
2163	cf::db_load;
2164		3843
2165	# load extensions
2166	warn "load extensions";	3844	warn "loading extensions";
2167	cf::load_extensions;	3845	cf::load_extensions;
2168		3846
2169	# reattach attachments to objects	3847	if ($REATTACH_ON_RELOAD) {
		3848	warn "reattaching attachments to objects/players";
		3849	_global_reattach; # objects, sockets
		3850	warn "reattaching attachments to maps";
		3851	reattach $_ for values %MAP;
		3852	warn "reattaching attachments to players";
		3853	reattach $_ for values %PLAYER;
		3854	}
		3855
		3856	warn "running post_init jobs";
		3857	(pop @POST_INIT)->(1) while @POST_INIT;
		3858
		3859	warn "leaving sync_job";
		3860
		3861	1
		3862	} or do {
		3863	warn $@;
		3864	cf::cleanup "error while reloading, exiting.";
		3865	};
		3866
2170	warn "reattach";	3867	warn "reloaded";
2171	_global_reattach;	3868	--$RELOAD;
		3869	}
		3870
		3871	$t1 = EV::time - $t1;
		3872	warn "reload completed in ${t1}s\n";
		3873	};
		3874
		3875	our $RELOAD_WATCHER; # used only during reload
		3876
		3877	sub reload_perl() {
		3878	# doing reload synchronously and two reloads happen back-to-back,
		3879	# coro crashes during coro_state_free->destroy here.
		3880
		3881	$RELOAD_WATCHER ||= cf::async {
		3882	Coro::AIO::aio_wait cache_extensions;
		3883
		3884	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3885	do_reload_perl;
		3886	undef $RELOAD_WATCHER;
		3887	};
2172	};	3888	};
2173
2174	if ($@) {
2175	warn $@;
2176	warn "error while reloading, exiting.";
2177	exit 1;
2178	}
2179
2180	warn "reloaded successfully";
2181	};
2182
2183	#############################################################################
2184
2185	unless ($LINK_MAP) {
2186	$LINK_MAP = cf::map::new;
2187
2188	$LINK_MAP->width (41);
2189	$LINK_MAP->height (41);
2190	$LINK_MAP->alloc;
2191	$LINK_MAP->path ("{link}");
2192	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2193	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2194
2195	# dirty hack because... archetypes are not yet loaded
2196	Event->timer (
2197	after => 10,
2198	cb => sub {
2199	$_[0]->w->cancel;
2200
2201	# provide some exits "home"
2202	my $exit = cf::object::new "exit";
2203
2204	$exit->slaying ($EMERGENCY_POSITION->[0]);
2205	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2206	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2207
2208	$LINK_MAP->insert ($exit->clone, 19, 19);
2209	$LINK_MAP->insert ($exit->clone, 19, 20);
2210	$LINK_MAP->insert ($exit->clone, 19, 21);
2211	$LINK_MAP->insert ($exit->clone, 20, 19);
2212	$LINK_MAP->insert ($exit->clone, 20, 21);
2213	$LINK_MAP->insert ($exit->clone, 21, 19);
2214	$LINK_MAP->insert ($exit->clone, 21, 20);
2215	$LINK_MAP->insert ($exit->clone, 21, 21);
2216
2217	$exit->destroy;
2218	});
2219
2220	$LINK_MAP->{deny_save} = 1;
2221	$LINK_MAP->{deny_reset} = 1;
2222
2223	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2224	}	3889	}
2225
2226	register "<global>", __PACKAGE__;
2227		3890
2228	register_command "reload" => sub {	3891	register_command "reload" => sub {
2229	my ($who, $arg) = @_;	3892	my ($who, $arg) = @_;
2230		3893
2231	if ($who->flag (FLAG_WIZ)) {	3894	if ($who->flag (FLAG_WIZ)) {
2232	$who->message ("start of reload.");
2233	reload;
2234	$who->message ("end of reload.");	3895	$who->message ("reloading server.");
		3896	async {
		3897	$Coro::current->{desc} = "perl_reload";
		3898	reload_perl;
		3899	};
2235	}	3900	}
2236	};	3901	};
2237		3902
2238	unshift @INC, $LIBDIR;	3903	unshift @INC, $LIBDIR;
2239		3904
2240	$TICK_WATCHER = Event->timer (	3905	my $bug_warning = 0;
2241	reentrant => 0,	3906
2242	prio => 0,	3907	our @WAIT_FOR_TICK;
2243	at => $NEXT_TICK || $TICK,	3908	our @WAIT_FOR_TICK_BEGIN;
2244	data => WF_AUTOCANCEL,	3909
2245	cb => sub {	3910	sub wait_for_tick {
		3911	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3912
		3913	my $signal = new Coro::Signal;
		3914	push @WAIT_FOR_TICK, $signal;
		3915	$signal->wait;
		3916	}
		3917
		3918	sub wait_for_tick_begin {
		3919	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3920
		3921	my $signal = new Coro::Signal;
		3922	push @WAIT_FOR_TICK_BEGIN, $signal;
		3923	$signal->wait;
		3924	}
		3925
		3926	sub tick {
		3927	if ($Coro::current != $Coro::main) {
		3928	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3929	unless ++$bug_warning > 10;
		3930	return;
		3931	}
		3932
2246	cf::server_tick; # one server iteration	3933	cf::server_tick; # one server iteration
2247	$RUNTIME += $TICK;
2248	$NEXT_TICK += $TICK;
2249		3934
2250	# if we are delayed by four ticks or more, skip them all	3935	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2251	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2252		3936
2253	$TICK_WATCHER->at ($NEXT_TICK);	3937	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2254	$TICK_WATCHER->start;	3938	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2255	},	3939	Coro::async_pool {
2256	);	3940	$Coro::current->{desc} = "runtime saver";
2257
2258	IO::AIO::max_poll_time $TICK * 0.2;
2259
2260	Event->io (
2261	fd => IO::AIO::poll_fileno,
2262	poll => 'r',
2263	prio => 5,
2264	data => WF_AUTOCANCEL,
2265	cb => \&IO::AIO::poll_cb,
2266	);
2267
2268	Event->timer (
2269	data => WF_AUTOCANCEL,
2270	after => 0,
2271	interval => 10,
2272	cb => sub {
2273	(Coro::unblock_sub {
2274	write_runtime	3941	write_runtime_sync
2275	or warn "ERROR: unable to write runtime file: $!";	3942	or warn "ERROR: unable to write runtime file: $!";
2276	})->();	3943	};
2277	},	3944	}
2278	);	3945
		3946	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3947	$sig->send;
		3948	}
		3949	while (my $sig = shift @WAIT_FOR_TICK) {
		3950	$sig->send;
		3951	}
		3952
		3953	$LOAD = ($NOW - $TICK_START) / $TICK;
		3954	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3955
		3956	if (0) {
		3957	if ($NEXT_TICK) {
		3958	my $jitter = $TICK_START - $NEXT_TICK;
		3959	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3960	warn "jitter $JITTER\n";#d#
		3961	}
		3962	}
		3963	}
		3964
		3965	{
		3966	# configure BDB
		3967
		3968	BDB::min_parallel 16;
		3969	BDB::max_poll_reqs $TICK * 0.1;
		3970	$AnyEvent::BDB::WATCHER->priority (1);
		3971
		3972	unless ($DB_ENV) {
		3973	$DB_ENV = BDB::db_env_create;
		3974	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3975	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3976	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3977	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3978	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3979
		3980	cf::sync_job {
		3981	eval {
		3982	BDB::db_env_open
		3983	$DB_ENV,
		3984	$BDBDIR,
		3985	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3986	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3987	0666;
		3988
		3989	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3990	};
		3991
		3992	cf::cleanup "db_env_open(db): $@" if $@;
		3993	};
		3994	}
		3995
		3996	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3997	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3998	};
		3999	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4000	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4001	};
		4002	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4003	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4004	};
		4005	}
		4006
		4007	{
		4008	# configure IO::AIO
		4009
		4010	IO::AIO::min_parallel 8;
		4011	IO::AIO::max_poll_time $TICK * 0.1;
		4012	undef $AnyEvent::AIO::WATCHER;
		4013	}
		4014
		4015	my $_log_backtrace;
		4016
		4017	sub _log_backtrace {
		4018	my ($msg, @addr) = @_;
		4019
		4020	$msg =~ s/\n//;
		4021
		4022	# limit the # of concurrent backtraces
		4023	if ($_log_backtrace < 2) {
		4024	++$_log_backtrace;
		4025	my $perl_bt = Carp::longmess $msg;
		4026	async {
		4027	$Coro::current->{desc} = "abt $msg";
		4028
		4029	my @bt = fork_call {
		4030	@addr = map { sprintf "%x", $_ } @addr;
		4031	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4032	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4033	or die "addr2line: $!";
		4034
		4035	my @funcs;
		4036	my @res = <$fh>;
		4037	chomp for @res;
		4038	while (@res) {
		4039	my ($func, $line) = splice @res, 0, 2, ();
		4040	push @funcs, "[$func] $line";
		4041	}
		4042
		4043	@funcs
		4044	};
		4045
		4046	LOG llevInfo, "[ABT] $perl_bt\n";
		4047	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4048	LOG llevInfo, "[ABT] $_\n" for @bt;
		4049	--$_log_backtrace;
		4050	};
		4051	} else {
		4052	LOG llevInfo, "[ABT] $msg\n";
		4053	LOG llevInfo, "[ABT] [suppressed]\n";
		4054	}
		4055	}
		4056
		4057	# load additional modules
		4058	require "cf/$_.pm" for @EXTRA_MODULES;
		4059	cf::_connect_to_perl_2;
2279		4060
2280	END { cf::emergency_save }	4061	END { cf::emergency_save }
2281		4062
2282	1	4063	1
2283		4064

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