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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3;	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %MAP; # all maps	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		162
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		177
79	#############################################################################	178	#############################################################################
80		179
81	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
82		181
…		…
89	=item $cf::RUNTIME	188	=item $cf::RUNTIME
90		189
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	191	every server tick.
93		192
94	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		196
96	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
98		201
99	=item $cf::NOW	202	=item $cf::NOW
100		203
101	The time of the last (current) server tick.	204	The time of the last (current) server tick.
102		205
103	=item $cf::TICK	206	=item $cf::TICK
104		207
105	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
106		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
107	=item %cf::CFG	220	=item %cf::CFG
108		221
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	223	from wherever your confdir points to.
111		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
112	=back	243	=back
113		244
114	=cut	245	=cut
115		246
116	BEGIN {	247	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	248	my $msg = join "", @_;
119	utf8::encode $msg;
120		249
121	$msg .= "\n"	250	$msg .= "\n"
122	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
123		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
124	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
125	};	256	};
126	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
127		271
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		279
135	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	281	# within the Safe compartment.
137	for my $pkg (qw(	282	for my $pkg (qw(
138	cf::global cf::attachable	283	cf::global cf::attachable
139	cf::object cf::object::player	284	cf::object cf::object::player
140	cf::client cf::player	285	cf::client cf::player
141	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
142	cf::map cf::party cf::region	288	cf::party cf::region
143	)) {	289	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	291	}
147		292
148	$Event::DIED = sub {	293	$EV::DIED = sub {
149	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
150	};	295	};
151		296
152	my %ext_pkg;	297	#############################################################################
153	my @exts;
154	my @hook;
155		298
156	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
157		300
158	=over 4	301	=over 4
159		302
160	=cut	303	=item dumpval $ref
161		304
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
163		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
164	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
165		327
166	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
167		329
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
176		331
177	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
178		333
179	=cut	334	=cut
180		335
181	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		337
186	=item my $guard = cf::guard { BLOCK }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
187		340
188	Run the given callback when the guard object gets destroyed (useful for	341	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		342
191	You can call C<< ->cancel >> on the guard object to stop the block from	343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	344	but I<before> the server starts ticking again.
193		345
194	=cut	346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
195		348
196	sub guard(&) {	349	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		350
200	sub cf::guard::cancel {	351	sub post_init(&) {
201	${$_[0]} = sub { };	352	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	353	}
207		354
208	=item cf::lock_wait $string	355	=item cf::lock_wait $string
209		356
210	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
211		358
212	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
213		360
214	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
215	a guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
216	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
217	returned.	364	returned.
218		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
219	Lock names should begin with a unique identifier (for example, find_map	369	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	370	uses map_find and cf::map::load uses map_load).
221		371
222	=cut	372	=item $locked = cf::lock_active $string
223		373
224	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
225		379
226	sub lock_wait($) {	380	sub lock_wait($) {
227	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	382	}
235		383
236	sub lock_acquire($) {	384	sub lock_acquire($) {
237	my ($key) = @_;	385	$LOCKS->guard ($_[0])
238
239	# wait, to be sure we are not locked
240	lock_wait $key;
241
242	$LOCK{$key} = [];
243
244	cf::guard {
245	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };
247	}
248	}	386	}
		387
		388	sub lock_active($) {
		389	$LOCKS->count ($_[0]) < 1
		390	}
		391
		392	sub freeze_mainloop {
		393	tick_inhibit_inc;
		394
		395	&Guard::guard (\&tick_inhibit_dec);
		396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		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	$sig->wait;
		478	}
		479
		480	=item cf::async { BLOCK }
		481
		482	Currently the same as Coro::async_pool, meaning you cannot use
		483	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		484	thing you are allowed to do is call C<prio> on it.
		485
		486	=cut
		487
		488	BEGIN { *async = \&Coro::async_pool }
249		489
250	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
251		491
252	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
255		496
256	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
259	fast or be very important.	500	fast or be very important.
…		…
262		503
263	sub sync_job(&) {	504	sub sync_job(&) {
264	my ($job) = @_;	505	my ($job) = @_;
265		506
266	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
267	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
269		512
270	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	514
272	local $FREEZE = 1;	515	my $freeze_guard = freeze_mainloop;
273		516
274	my $busy = 1;	517	my $busy = 1;
275	my @res;	518	my @res;
276		519
277	(Coro::async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	522	@res = eval { $job->() };
279	warn $@ if $@;	523	warn $@ if $@;
280	undef $busy;	524	undef $busy;
281	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
282		526
283	while ($busy) {	527	while ($busy) {
		528	if (Coro::nready) {
284	Coro::cede_notself;	529	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
286	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
287		538
288	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
289	} else {	540	} else {
290	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
291		542
292	$job->()	543	$job->()
293	}	544	}
294	}	545	}
295		546
296	=item $coro = cf::coro { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
297		548
298	Creates and returns a new coro. This coro is automcatially being canceled	549	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	550	extension calling this is being unloaded.
300		551
301	=cut	552	=cut
302		553
303	sub coro(&) {	554	sub async_ext(&) {
304	my $cb = shift;	555	my $cb = shift;
305		556
306	my $coro; $coro = async {	557	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		558
313	$coro->on_destroy (sub {	559	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	560	delete $EXT_CORO{$coro+0};
315	});	561	});
316	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
317		563
318	$coro	564	$coro
319	}	565	}
320		566
321	sub write_runtime {	567	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		568
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
325	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.
326		573
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		575
331	aio_fsync $fh	576	sub fork_call(&@) {
332	and return;	577	my ($cb, @args) = @_;
333		578
334	close $fh	579	# we seemingly have to make a local copy of the whole thing,
335	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
336		582
337	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
338	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
339		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
340	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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 => $type });
341	}	754	}
342		755
343	=back	756	=back
344		757
345	=cut	758	=cut
346		759
347	#############################################################################	760	#############################################################################
348		761
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466
467	#############################################################################
468
469	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
470		763
471	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
472	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")
473	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
474		767
475	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>
476	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
477	crossfire+).	770	Deliantra).
478		771
479	=over 4	772	=over 4
480		773
481	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
482		775
…		…
526	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
527		820
528	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
529	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
530		823
531	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
532	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
533		826
534	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
535		828
536	=over 4	829	=over 4
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	890	our @CB_MAP = ();
598		891
599	my %attachment;	892	my %attachment;
600		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
601	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
603		902
604	use sort 'stable';	903	use sort 'stable';
605		904
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
640		939
641	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		944
646	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	946	my $pkg = shift @arg;
648		947
649	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
679	}	978	}
680		979
681	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
682	} else {	981	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	983	}
685		984
686	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
687	}	986	}
688		987
…		…
690	if (ref $_[0]) {	989	if (ref $_[0]) {
691	_object_attach @_;	990	_object_attach @_;
692	} else {	991	} else {
693	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
694	}	993	}
		994	_recalc_want;
695	};	995	};
696		996
697	# all those should be optimised	997	# all those should be optimised
698	sub cf::attachable::detach {	998	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
703	reattach ($obj);	1003	reattach ($obj);
704	} else {	1004	} else {
705	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
706	}	1006	}
		1007	_recalc_want;
707	};	1008	};
708		1009
709	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
711		1012
…		…
726	";	1027	";
727	die if $@;	1028	die if $@;
728	}	1029	}
729		1030
730	our $override;	1031	our $override;
731	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?
732		1033
733	sub override {	1034	sub override {
734	$override = 1;	1035	$override = 1;
735	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
736	}	1037	}
737		1038
738	sub do_invoke {	1039	sub do_invoke {
739	my $event = shift;	1040	my $event = shift;
740	my $callbacks = shift;	1041	my $callbacks = shift;
741		1042
742	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
743		1044
744	local $override;	1045	local $override;
745		1046
746	for (@$callbacks) {	1047	for (@$callbacks) {
747	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
756	}	1057	}
757		1058
758	0	1059	0
759	}	1060	}
760		1061
761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
762		1063
763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
764		1065
765	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
766		1067
767	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
768	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
769	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		1071
771	=back	1072	=back
772		1073
773	=cut	1074	=cut
774		1075
775	#############################################################################	1076	#############################################################################
776	# 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	}
777		1120
778	sub reattach {	1121	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
780	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
781		1127
782	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
783		1129
784	@$registry = ();	1130	@$registry = ();
785		1131
…		…
800	cf::attachable->attach (	1146	cf::attachable->attach (
801	prio => -1000000,	1147	prio => -1000000,
802	on_instantiate => sub {	1148	on_instantiate => sub {
803	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
804		1150
805	$data = from_json $data;	1151	$data = decode_json $data;
806		1152
807	for (@$data) {	1153	for (@$data) {
808	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
809		1155
810	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
826	sub object_freezer_save {	1172	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
828		1174
829	sync_job {	1175	sync_job {
830	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
833		1180
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
836	aio_write $fh, 0, (length $$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;
837	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
838	close $fh;	1188	aio_close $fh;
839		1189
840	if (@$objs) {	1190	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
844	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;
845	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
846	close $fh;	1199	aio_close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
848	}	1201	}
849	} else {	1202	} else {
850	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
851	}	1204	}
852		1205
853	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
854	} else {	1210	} else {
855	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
856	}	1212	}
857	} else {	1213	} else {
858	aio_unlink $filename;	1214	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
860	}	1216	}
861	}	1217	};
862	}	1218	}
863		1219
864	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
866		1222
…		…
878	or return;	1234	or return;
879		1235
880	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
882	or return;	1238	or return;
		1239
883	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
884	}	1242	}
885		1243
		1244	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
888	return ($data, $av);	1248	($data, $av)
889	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
890		1256
891	#############################################################################	1257	#############################################################################
892	# command handling &c	1258	# command handling &c
893		1259
894	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1274	}
909		1275
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1277
912	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.
913		1283
914	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
915	called.	1285	called.
916		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
917	=cut	1298	=cut
918		1299
919	sub register_extcmd {	1300	sub register_extcmd {
920	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
921		1302
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
926	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
927		1313
928	cf::player->attach (	1314	cf::player->attach (
929	on_command => sub {	1315	on_command => sub {
930	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
931		1317
…		…
939	cf::override;	1325	cf::override;
940	},	1326	},
941	on_extcmd => sub {	1327	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
943		1329
944	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1331
946	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
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
952	} else {	1347	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1349	}
955		1350
956	cf::override;	1351	cf::override;
957	},	1352	},
958	);	1353	);
959		1354
960	sub register {	1355	# "readahead" all extensions
961	my ($base, $pkg) = @_;	1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
962		1358
963	#TODO	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
964	}	1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
965		1364
		1365	$grp
		1366	}
		1367
966	sub load_extension {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
		1372	for my $path (<$LIBDIR/*.ext>) {
		1373	next unless -r $path;
		1374
		1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
		1435	}
		1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
		1446	};
		1447	}
		1448
		1449	#############################################################################
		1450
		1451	=back
		1452
		1453	=head2 CORE EXTENSIONS
		1454
		1455	Functions and methods that extend core deliantra objects.
		1456
		1457	=cut
		1458
		1459	package cf::player;
		1460
		1461	use Coro::AIO;
		1462
		1463	=head3 cf::player
		1464
		1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
		1481	=item cf::player::find $login
		1482
		1483	Returns the given player object, loading it if necessary (might block).
		1484
		1485	=cut
		1486
		1487	sub playerdir($) {
		1488	"$PLAYERDIR/"
		1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1490	}
		1491
		1492	sub path($) {
		1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1494
		1495	(playerdir $login) . "/playerdata"
		1496	}
		1497
		1498	sub find_active($) {
		1499	$cf::PLAYER{$_[0]}
		1500	and $cf::PLAYER{$_[0]}->active
		1501	and $cf::PLAYER{$_[0]}
		1502	}
		1503
		1504	sub exists($) {
		1505	my ($login) = @_;
		1506
		1507	$cf::PLAYER{$login}
		1508	or !aio_stat path $login
		1509	}
		1510
		1511	sub find($) {
		1512	return $cf::PLAYER{$_[0]} || do {
		1513	my $login = $_[0];
		1514
		1515	my $guard = cf::lock_acquire "user_find:$login";
		1516
		1517	$cf::PLAYER{$_[0]} || do {
		1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
		1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
		1533	$cf::PLAYER{$login} = $pl
		1534	}
		1535	}
		1536	}
		1537
		1538	sub save($) {
		1539	my ($pl) = @_;
		1540
		1541	return if $pl->{deny_save};
		1542
		1543	my $path = path $pl;
		1544	my $guard = cf::lock_acquire "user_save:$path";
		1545
		1546	return if $pl->{deny_save};
		1547
		1548	aio_mkdir playerdir $pl, 0770;
		1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
		1552
		1553	$pl->save_pl ($path);
		1554	cf::cede_to_tick;
		1555	}
		1556
		1557	sub new($) {
		1558	my ($login) = @_;
		1559
		1560	my $self = create;
		1561
		1562	$self->ob->name ($login);
		1563	$self->{deny_save} = 1;
		1564
		1565	$cf::PLAYER{$login} = $self;
		1566
		1567	$self
		1568	}
		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
		1580	=item $pl->quit_character
		1581
		1582	Nukes the player without looking back. If logged in, the connection will
		1583	be destroyed. May block for a long time.
		1584
		1585	=cut
		1586
		1587	sub quit_character {
		1588	my ($pl) = @_;
		1589
		1590	my $name = $pl->ob->name;
		1591
		1592	$pl->{deny_save} = 1;
		1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1594
		1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
		1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1600	$pl->ns->destroy if $pl->ns;
		1601
		1602	my $path = playerdir $pl;
		1603	my $temp = "$path~$cf::RUNTIME~deleting~";
		1604	aio_rename $path, $temp;
		1605	delete $cf::PLAYER{$pl->ob->name};
		1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
		1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
		1628	}
		1629
		1630	=item cf::player::list_logins
		1631
		1632	Returns am arrayref of all valid playernames in the system, can take a
		1633	while and may block, so not sync_job-capable, ever.
		1634
		1635	=cut
		1636
		1637	sub list_logins {
		1638	my $dirs = aio_readdir $PLAYERDIR
		1639	or return [];
		1640
		1641	my @logins;
		1642
		1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
		1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1650	aio_read $fh, 0, 512, my $buf, 0 or next;
		1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
		1653
		1654	utf8::decode $login;
		1655	push @logins, $login;
		1656	}
		1657
		1658	\@logins
		1659	}
		1660
		1661	=item $player->maps
		1662
		1663	Returns an arrayref of map paths that are private for this
		1664	player. May block.
		1665
		1666	=cut
		1667
		1668	sub maps($) {
		1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
		1672
		1673	my $files = aio_readdir playerdir $pl
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.(?:pl|pst)$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise "~$pl/$_";
		1684	}
		1685
		1686	\@paths
		1687	}
		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
		1693	=item $player->ext_reply ($msgid, @msg)
		1694
		1695	Sends an ext reply to the player.
		1696
		1697	=cut
		1698
		1699	sub ext_reply($$@) {
		1700	my ($self, $id, @msg) = @_;
		1701
		1702	$self->ns->ext_reply ($id, @msg)
		1703	}
		1704
		1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
967	my ($path) = @_;	1732	my ($path) = @_;
968		1733
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1734	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1735
975	warn "loading '$path' into '$pkg'\n";	1736	for my $region (list) {
976		1737	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1738	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1739	if $region->specificity > $specificity;
979		1740	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1741	}
1009		1742
1010	# remove commands	1743	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1744	}
1116		1745
1117	=back	1746	=back
1118
1119		1747
1120	=head3 cf::map	1748	=head3 cf::map
1121		1749
1122	=over 4	1750	=over 4
1123		1751
…		…
1126	package cf::map;	1754	package cf::map;
1127		1755
1128	use Fcntl;	1756	use Fcntl;
1129	use Coro::AIO;	1757	use Coro::AIO;
1130		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1131	our $MAX_RESET = 7200;	1763	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1764	our $DEFAULT_RESET = 3000;
1133		1765
1134	sub generate_random_map {	1766	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1770
1137	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1772	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1151	}	1785	}
1152		1786
1153	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1788
1158	$_->change_map_light ($change) for values %cf::MAP;	1789	Register a handler for the map path matching the given regex at the
1159	}	1790	givne priority (higher is better, built-in handlers have priority 0, the
		1791	default).
1160		1792
1161	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 {
1162	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) = @_;
1163		1932
1164	utf8::encode $path;	1933	utf8::encode $path;
1165	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1166	or return;	1935	or return;
1167		1936
1168	my $map = cf::map::new	1937	$self->_load_header ($f)
1169	or return;	1938	or return;
1170		1939
1171	$map->load_header ($path)	1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
		1942
		1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1172	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1173		1989
1174	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1175		1992
1176	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
1177	}	1994	unless $self->default_region;
1178		1995
		1996	1
		1997	}
		1998
		1999	sub find;
1179	sub find_map {	2000	sub find {
1180	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1181		2002
1182	#warn "find_map<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		2004
1187	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1191		2007
1192	# do it the slow way	2008	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1194
1195	if ($map) {
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	2010	or return;
1207		2011
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->instantiate;
1211
1212	# per-player maps become, after loading, normal maps
1213	$map->per_player (0) if $path->{user_rel};
1214	}
1215	#Coro::Timer::sleep 1;#d#
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		2013
1222	if ($map->should_reset) {	2014	$map->load_header
		2015	or return;
		2016
		2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1223	$map->reset;	2022	$map->reset;
1224	$map = find_map $path;	2023	return find $path;
1225	}	2024	}
1226		2025
1227	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1228	}	2027	}
1229	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1230		2032
1231	sub load {	2033	sub load {
1232	my ($self) = @_;	2034	my ($self) = @_;
1233		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1234	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1236		2042
		2043	return unless $self->valid;
1237	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1238		2045
1239	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1240		2047
1241	$self->alloc;	2048	$self->alloc;
1242	$self->load_objects ($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)
1243	or return;	2056	or return;
1244		2057
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1246	if delete $self->{load_original};	2059	if delete $self->{load_original};
1247		2060
1248	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	2062	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1251	$self->clear_unique_items;	2065	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1253	}	2069	}
1254	}	2070	}
1255		2071
		2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1256	# now do the right thing for maps	2075	# now do the right thing for maps
1257	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1258
1259	if ($self->{path}->is_style_map) {
1260	$self->{deny_save} = 1;
1261	$self->{deny_reset} = 1;
1262	} else {
1263	$self->fix_auto_apply;
1264	$self->decay_objects;
1265	$self->update_buttons;
1266	$self->set_darkness_map;
1267	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1268	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;
1269	$self->activate;	2086	$self->activate;
1270	}	2087	}
1271		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1272	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1273	}	2093	}
1274		2094
1275	sub load_map_sync {	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	$neigh->load;
		2133	}
		2134	}
		2135
		2136	sub find_sync {
1276	my ($path, $origin) = @_;	2137	my ($path, $origin) = @_;
1277		2138
1278	#warn "load_map_sync<$path, $origin>\n";#d#	2139	cf::sync_job { find $path, $origin }
		2140	}
1279		2141
1280	cf::sync_job {	2142	sub do_load_sync {
1281	my $map = cf::map::find_map $path, $origin	2143	my ($map) = @_;
1282	or return;	2144
1283	$map->load;	2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1284	$map	2146	if $Coro::current == $Coro::main;
		2147
		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;
1285	}	2178	};
		2179	$MAP_PREFETCHER->prio (6);
		2180
		2181	()
1286	}	2182	}
1287		2183
1288	sub save {	2184	sub save {
1289	my ($self) = @_;	2185	my ($self) = @_;
1290		2186
		2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2188
1291	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1292		2190
1293	return unless $self->dirty;	2191	return unless $self->dirty;
1294		2192
1295	my $save = $self->{path}->save_path; utf8::encode $save;	2193	my $save = $self->save_path; utf8::encode $save;
1296	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2194	my $uniq = $self->uniq_path; utf8::encode $uniq;
1297		2195
1298	$self->{load_path} = $save;	2196	$self->{load_path} = $save;
1299		2197
1300	return if $self->{deny_save};	2198	return if $self->{deny_save};
1301		2199
		2200	local $self->{last_access} = $self->last_access;#d#
		2201
		2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
		2204	$_->contr->save for $self->players;
		2205	};
		2206
		2207	cf::get_slot 0.02;
		2208
1302	if ($uniq) {	2209	if ($uniq) {
1303	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304	$self->save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1305	} else {	2212	} else {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1307	}	2214	}
1308	}	2215	}
1309		2216
1310	sub swap_out {	2217	sub swap_out {
1311	my ($self) = @_;	2218	my ($self) = @_;
1312		2219
		2220	# save first because save cedes
		2221	$self->save;
		2222
		2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2224
1313	return if $self->players;	2225	return if $self->players;
1314	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1315	return if $self->{deny_save};	2227	return if $self->{deny_save};
1316		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
1317	$self->save;	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1318	$self->clear;	2233	$self->clear;
1319	$self->in_memory (cf::MAP_SWAPPED);
1320	}	2234	}
1321		2235
1322	sub reset_at {	2236	sub reset_at {
1323	my ($self) = @_;	2237	my ($self) = @_;
1324		2238
1325	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1326	return 1e99 if $self->{path}{user_rel};
1327	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1328		2241
1329	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1330	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1331		2244
…		…
1336	my ($self) = @_;	2249	my ($self) = @_;
1337		2250
1338	$self->reset_at <= $cf::RUNTIME	2251	$self->reset_at <= $cf::RUNTIME
1339	}	2252	}
1340		2253
1341	sub unlink_save {
1342	my ($self) = @_;
1343
1344	utf8::encode (my $save = $self->{path}->save_path);
1345	aioreq_pri 3; IO::AIO::aio_unlink $save;
1346	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1347	}
1348
1349	sub rename {
1350	my ($self, $new_path) = @_;
1351
1352	$self->unlink_save;
1353
1354	delete $cf::MAP{$self->path};
1355	$self->{path} = new cf::path $new_path;
1356	$self->path ($self->{path}->as_string);
1357	$cf::MAP{$self->path} = $self;
1358
1359	$self->save;
1360	}
1361
1362	sub reset {	2254	sub reset {
1363	my ($self) = @_;	2255	my ($self) = @_;
1364		2256
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1365	return if $self->players;	2259	return if $self->players;
1366	return if $self->{path}{user_rel};#d#
1367		2260
1368	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	}
1369		2272
1370	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1371		2274
		2275	$self->deactivate;
1372	$_->clear_links_to ($self) for values %cf::MAP;	2276	$_->clear_links_to ($self) for values %cf::MAP;
		2277	$self->clear;
1373		2278
1374	$self->unlink_save;	2279	$self->unlink_save;
1375	$self->destroy;	2280	$self->destroy;
1376	}	2281	}
1377		2282
1378	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1379		2284
1380	sub nuke {	2285	sub nuke {
1381	my ($self) = @_;	2286	my ($self) = @_;
1382		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};
1383	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1384	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1385	$self->rename ("{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2300
		2301	$cf::MAP{$self->path} = $self;
		2302	}
		2303
1386	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1387	}	2305	}
1388		2306
1389	sub customise_for {	2307	=item $maps = cf::map::tmp_maps
1390	my ($map, $ob) = @_;
1391		2308
1392	if ($map->per_player) {	2309	Returns an arrayref with all map paths of currently instantiated and saved
1393	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
1394	}	2315	[
1395		2316	map {
1396	$map	2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
1397	}	2323	}
1398		2324
1399	sub emergency_save {	2325	=item $maps = cf::map::random_maps
1400	local $cf::FREEZE = 1;
1401		2326
1402	warn "enter emergency map save\n";	2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
1403		2329
1404	cf::sync_job {	2330	=cut
1405	warn "begin emergency map save\n";	2331
1406	$_->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;
1407	};	2389	}
1408		2390
1409	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	}
1410	}	2446	}
1411		2447
1412	package cf;	2448	package cf;
1413		2449
1414	=back	2450	=back
1415
1416		2451
1417	=head3 cf::object::player	2452	=head3 cf::object::player
1418		2453
1419	=over 4	2454	=over 4
1420		2455
…		…
1423	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>
1424	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
1425	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1426		2461
1427	=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	};
1428		2477
1429	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1430	# with dialog boxes.	2479	# with dialog boxes.
1431	#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
1432	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1434		2483
1435	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1436		2485
1437	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1438	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1439	} 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 {
1440	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1441	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1442	}	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 (@_);
1443	}	2511	}
1444		2512
1445	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1446		2514
1447	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1460		2528
1461	=item $player_object->enter_link	2529	=item $player_object->enter_link
1462		2530
1463	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}>).
1464		2532
1465	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.
1466	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.
1467		2539
1468	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1469		2541
1470	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1471	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1472	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1473	to the emergency map position.	2545	fails, to the emergency map position.
1474		2546
1475	Might block.	2547	Might block.
1476		2548
1477	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($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	$LINK_MAP
		2559	}
1478		2560
1479	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1480	my ($self) = @_;	2562	my ($self) = @_;
1481		2563
1482	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1483		2565
1484	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1485		2567
1486	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1487	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1488		2570
1489	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1490	}	2572	}
1491		2573
1492	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1493	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1494		2578
1495	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1496		2580
1497	unless ($map) {	2581	unless ($map) {
1498	# restore original map position	2582	# restore original map position
1499	($map, $x, $y) = @{ $link_pos || [] };	2583	($map, $x, $y) = @{ $link_pos || [] };
1500	$map = cf::map::find_map $map;	2584	$map = cf::map::find $map;
1501		2585
1502	unless ($map) {	2586	unless ($map) {
1503	($map, $x, $y) = @$EMERGENCY_POSITION;	2587	($map, $x, $y) = @$EMERGENCY_POSITION;
1504	$map = cf::map::find_map $map	2588	$map = cf::map::find $map
1505	or die "FATAL: cannot load emergency map\n";	2589	or die "FATAL: cannot load emergency map\n";
1506	}	2590	}
1507	}	2591	}
1508		2592
1509	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1510	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1511		2595
1512	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1513	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1514	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1515		2599
1516	$map->load;	2600	$map->load;
		2601	$map->load_neighbours;
1517		2602
		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
1518	$self->activate_recursive;	2609	$self->activate_recursive;
1519	$self->enter_map ($map, $x, $y);
1520	}	2610	}
1521		2611
1522	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1523	on_logout => sub {
1524	my ($pl) = @_;
1525		2613
1526	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1527	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1528	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1529	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1530	};	2618	be called at the end of this process.
1531	}
1532	},
1533	on_login => sub {
1534	my ($pl) = @_;
1535		2619
1536	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1537	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1538	if ($pl->ob->{_link_pos}) {
1539	$pl->ob->enter_link;
1540	Coro::async {
1541	# we need this sleep as the login has a concurrent enter_exit running
1542	# and this sleep increases chances of the player not ending up in scorn
1543	Coro::Timer::sleep 1;
1544	$pl->ob->leave_link;
1545	};
1546	}
1547	},
1548	);
1549		2622
1550	=item $player_object->goto_map ($path, $x, $y)
1551
1552	=cut	2623	=cut
1553		2624
		2625	our $GOTOGEN;
		2626
1554	sub cf::object::player::goto_map {	2627	sub cf::object::player::goto {
1555	my ($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;
1556		2632
1557	$self->enter_link;	2633	$self->enter_link;
1558		2634
1559	(Coro::async {	2635	(async {
1560	$path = new cf::path $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
1561		2637
1562	my $map = cf::map::find_map $path->as_string;	2638	# *tag paths override both path and x|y
		2639	if ($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) {
1563	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1564		2662	$map = $check->($map) if $check && $map;
1565	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1566	# if $map;
1567
1568	$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	}
1569		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};
1570	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1571	})->prio (1);	2681	})->prio (1);
1572	}	2682	}
1573		2683
1574	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1575		2685
…		…
1577		2687
1578	sub parse_random_map_params {	2688	sub parse_random_map_params {
1579	my ($spec) = @_;	2689	my ($spec) = @_;
1580		2690
1581	my $rmp = { # defaults	2691	my $rmp = { # defaults
1582	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1583	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1584	};	2696	};
1585		2697
1586	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1587	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1588		2700
…		…
1600	# that depends on the exit object	2712	# that depends on the exit object
1601		2713
1602	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1603		2715
1604	if ($exit->map) {	2716	if ($exit->map) {
1605	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1606	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1607	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1608	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1609	}	2723	}
1610		2724
1611	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1612		2726
1613	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1614	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1615		2730
1616	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) {
1617	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;
1618		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1619	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1620	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1621	}	2742	}
1622	}	2743	}
1623		2744
1624	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1625	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
1626		2747
1627	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1628		2749
1629	$self->enter_link;	2750	$self->enter_link;
1630		2751
1631	(Coro::async {	2752	(async {
		2753	$Coro::current->{desc} = "enter_exit";
		2754
1632	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
1633		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1634	prepare_random_map $exit	2762	prepare_random_map $exit
1635	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1636		2765
1637	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;
1638	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1639		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
1640	1;	2776	1
1641	}) {	2777	}) {
1642	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1643	. "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. "
1644	. "Please report this to the dungeon master",	2780	. "Please report this to the dungeon master!",
1645	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1646		2782
1647	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1648	$self->leave_link;	2784	$self->leave_link;
1649	}	2785	}
1650	})->prio (1);	2786	})->prio (1);
…		…
1663		2799
1664	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1665	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1666		2802
1667	utf8::encode $text;	2803	utf8::encode $text;
1668	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1669	}	2805	}
1670		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	}
1671		3028
1672	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1673		3030
1674	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1675	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>,
1676	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>.
1677		3034
1678	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
1679	reliable at some point in the future.	3036	become reliable at some point in the future.
1680		3037
1681	=cut	3038	=cut
1682		3039
1683	sub cf::client::query {	3040	sub cf::client::query {
1684	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1692	utf8::encode $text;	3049	utf8::encode $text;
1693	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1694		3051
1695	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
1696	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
1697	}	3056	}
1698		3057
1699	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
1700	on_reply => sub {	3064	on_reply => sub {
1701	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
1702		3066
1703	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
1704	# get handled first	3068	# get handled first
1705	my $queue = delete $ns->{query_queue};	3069	my $queue = delete $ns->{query_queue}
		3070	or return; # be conservative, not sure how that can happen, but we saw a crash here
1706		3071
1707	(shift @$queue)->[1]->($msg);	3072	(shift @$queue)->[1]->($msg);
		3073	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1708		3074
1709	push @{ $ns->{query_queue} }, @$queue;	3075	push @{ $ns->{query_queue} }, @$queue;
1710		3076
1711	if (@{ $ns->{query_queue} } == @$queue) {	3077	if (@{ $ns->{query_queue} } == @$queue) {
1712	if (@$queue) {	3078	if (@$queue) {
…		…
1714	} else {	3080	} else {
1715	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1716	}	3082	}
1717	}	3083	}
1718	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($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	},
1719	);	3111	);
1720		3112
1721	=item $client->coro (\&cb)	3113	=item $client->async (\&cb)
1722		3114
1723	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
1724	be automatically cancelled when the client gets destroyed (e.g. on logout,	3116	be automatically cancelled when the client gets destroyed (e.g. on logout,
1725	or loss of connection).	3117	or loss of connection).
1726		3118
1727	=cut	3119	=cut
1728		3120
1729	sub cf::client::coro {	3121	sub cf::client::async {
1730	my ($self, $cb) = @_;	3122	my ($self, $cb) = @_;
1731		3123
1732	my $coro; $coro = async {	3124	my $coro = &Coro::async ($cb);
1733	eval {
1734	$cb->();
1735	};
1736	warn $@ if $@;
1737	};
1738		3125
1739	$coro->on_destroy (sub {	3126	$coro->on_destroy (sub {
1740	delete $self->{_coro}{$coro+0};	3127	delete $self->{_coro}{$coro+0};
1741	});	3128	});
1742		3129
…		…
1769	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
1770	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
1771		3158
1772	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
1773		3160
1774	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
1775		3166
1776	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
1777		3168
1778	=pod	3169	=pod
1779		3170
1780	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
1781		3172
1782	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
1783	cf::object::player player	3178	cf::object::player
1784	cf::player peaceful	3179	player
1785	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
1786		3186
1787	=cut	3187	=cut
1788		3188
1789	for (	3189	for (
1790	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
1791	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
1792	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
1793	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
1794	) {	3196	) {
1795	no strict 'refs';	3197	no strict 'refs';
1796	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
1797	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1815		3217
1816	my $qcode = $code;	3218	my $qcode = $code;
1817	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1818	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
1819		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
1820	local $_;	3225	local $_;
1821	local @safe::cf::_safe_eval_args = values %vars;
1822		3226
1823	my $eval =	3227	my $eval =
1824	"do {\n"	3228	"do {\n"
1825	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1826	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
1827	. $code	3231	. $code
1828	. "\n}"	3232	. "\n}"
1829	;	3233	;
1830		3234
		3235	if ($CFG{safe_eval}) {
1831	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
1832	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1833	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
1834		3244
1835	if ($@) {	3245	if ($@) {
1836	warn "$@";	3246	warn "$@";
1837	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
1838	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1857	=cut	3267	=cut
1858		3268
1859	sub register_script_function {	3269	sub register_script_function {
1860	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
1861		3271
1862	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
1863	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
1864	}	3274	}
1865		3275
1866	=back	3276	=back
1867		3277
1868	=cut	3278	=cut
1869		3279
1870	#############################################################################	3280	#############################################################################
		3281	# the server's init and main functions
1871		3282
1872	=head2 EXTENSION DATABASE SUPPORT	3283	sub load_facedata($) {
		3284	my ($path) = @_;
1873		3285
1874	Crossfire maintains a very simple database for extension use. It can	3286	# HACK to clear player env face cache, we need some signal framework
1875	currently store anything that can be serialised using Storable, which	3287	# for this (global event?)
1876	excludes objects.	3288	%ext::player_env::MUSIC_FACE_CACHE = ();
1877		3289
1878	The parameter C<$family> should best start with the name of the extension	3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1879	using it, it should be unique.
1880		3291
1881	=over 4	3292	warn "loading facedata from $path\n";
1882		3293
1883	=item $hashref = cf::db_get $family	3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
1884		3297
1885	Return a hashref for use by the extension C<$family>, which can be	3298	$facedata = Coro::Storable::thaw $facedata;
1886	modified. After modifications, you have to call C<cf::db_dirty> or
1887	C<cf::db_sync>.
1888		3299
1889	=item $value = cf::db_get $family => $key	3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		3302
1891	Returns a single value from the database	3303	# patch in the exptable
1892		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1893	=item cf::db_put $family => $hashref	3305	$facedata->{resource}{"res/exp_table"} = {
1894		3306	type => FT_RSRC,
1895	Stores the given family hashref into the database. Updates are delayed, if	3307	data => $exp_table,
1896	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3308	hash => (Digest::MD5::md5 $exp_table),
1897
1898	=item cf::db_put $family => $key => $value
1899
1900	Stores the given C<$value> in the family hash. Updates are delayed, if you
1901	want the data to be synced to disk immediately, use C<cf::db_sync>.
1902
1903	=item cf::db_dirty
1904
1905	Marks the database as dirty, to be updated at a later time.
1906
1907	=item cf::db_sync
1908
1909	Immediately write the database to disk I<if it is dirty>.
1910
1911	=cut
1912
1913	our $DB;
1914
1915	{
1916	my $path = cf::localdir . "/database.pst";
1917
1918	sub db_load() {
1919	warn "loading database $path\n";#d# remove later
1920	$DB = stat $path ? Storable::retrieve $path : { };
1921	}
1922
1923	my $pid;
1924
1925	sub db_save() {
1926	warn "saving database $path\n";#d# remove later
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	3309	};
		3310	cf::cede_to_tick;
1946		3311
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	3312	{
		3313	my $faces = $facedata->{faceinfo};
1951		3314
1952	sub db_get($;$) {	3315	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957		3317
1958	sub db_put($$;$) {	3318	cf::face::set_visibility $idx, $info->{visibility};
1959	if (@_ >= 3) {	3319	cf::face::set_magicmap $idx, $info->{magicmap};
1960	$DB->{$_[0]}{$_[1]} = $_[2];	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1961	} else {	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966		3322
1967	cf::global->attach (	3323	cf::cede_to_tick;
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	3324	}
1972	);
1973	}
1974		3325
1975	#############################################################################	3326	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	3327	next unless $info->{smooth};
1977		3328
1978	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
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3458	or return;
1981		3459
1982	local $/;	3460	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
		3462
		3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3464
		3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3467
		3468	if (exists $CFG{mlockall}) {
		3469	eval {
		3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3471	and die "WARNING: m(un)lockall failed: $!\n";
		3472	};
		3473	warn $@ if $@;
		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;
1984	}	3505	}
1985		3506
1986	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
1987	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
1989	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#
1990	(Coro::unblock_sub {	3525	(async {
1991	Event::one_event;	3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
1992	})->();	3527	EV::loop EV::LOOP_ONESHOT;
		3528	})->prio (Coro::PRIO_MAX);
1993	};	3529	};
1994		3530
1995	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
1996	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
1997	load_extensions;	3550	load_extensions;
1998	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;
1999	}	3562	}
2000		3563
2001	#############################################################################	3564	#############################################################################
2002	# initialisation	3565	# initialisation and cleanup
2003		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	# first touch the runtime file to show we are still running:
		3579	# the fsync below can take a very very long time.
		3580
		3581	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3582
		3583	my $guard = cf::lock_acquire "write_runtime";
		3584
		3585	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3586	or return;
		3587
		3588	my $value = $cf::RUNTIME + 90 + 10;
		3589	# 10 is the runtime save interval, for a monotonic clock
		3590	# 60 allows for the watchdog to kill the server.
		3591
		3592	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3593	and return;
		3594
		3595	# always fsync - this file is important
		3596	aio_fsync $fh
		3597	and return;
		3598
		3599	# touch it again to show we are up-to-date
		3600	aio_utime $fh, undef, undef;
		3601
		3602	close $fh
		3603	or return;
		3604
		3605	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3606	and return;
		3607
		3608	warn "runtime file written.\n";
		3609
		3610	1
		3611	}
		3612
		3613	our $uuid_lock;
		3614	our $uuid_skip;
		3615
		3616	sub write_uuid_sync($) {
		3617	$uuid_skip ||= $_[0];
		3618
		3619	return if $uuid_lock;
		3620	local $uuid_lock = 1;
		3621
		3622	my $uuid = "$LOCALDIR/uuid";
		3623
		3624	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3625	or return;
		3626
		3627	my $value = uuid_seq uuid_cur;
		3628
		3629	unless ($value) {
		3630	warn "cowardly refusing to write zero uuid value!\n";
		3631	return;
		3632	}
		3633
		3634	my $value = uuid_str $value + $uuid_skip;
		3635	$uuid_skip = 0;
		3636
		3637	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3638	and return;
		3639
		3640	# always fsync - this file is important
		3641	aio_fsync $fh
		3642	and return;
		3643
		3644	close $fh
		3645	or return;
		3646
		3647	aio_rename "$uuid~", $uuid
		3648	and return;
		3649
		3650	warn "uuid file written ($value).\n";
		3651
		3652	1
		3653
		3654	}
		3655
		3656	sub write_uuid($$) {
		3657	my ($skip, $sync) = @_;
		3658
		3659	$sync ? write_uuid_sync $skip
		3660	: async { write_uuid_sync $skip };
		3661	}
		3662
		3663	sub emergency_save() {
		3664	my $freeze_guard = cf::freeze_mainloop;
		3665
		3666	warn "emergency_perl_save: enter\n";
		3667
		3668	cf::sync_job {
		3669	# this is a trade-off: we want to be very quick here, so
		3670	# save all maps without fsync, and later call a global sync
		3671	# (which in turn might be very very slow)
		3672	local $USE_FSYNC = 0;
		3673
		3674	# use a peculiar iteration method to avoid tripping on perl
		3675	# refcount bugs in for. also avoids problems with players
		3676	# and maps saved/destroyed asynchronously.
		3677	warn "emergency_perl_save: begin player save\n";
		3678	for my $login (keys %cf::PLAYER) {
		3679	my $pl = $cf::PLAYER{$login} or next;
		3680	$pl->valid or next;
		3681	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3682	$pl->save;
		3683	}
		3684	warn "emergency_perl_save: end player save\n";
		3685
		3686	warn "emergency_perl_save: begin map save\n";
		3687	for my $path (keys %cf::MAP) {
		3688	my $map = $cf::MAP{$path} or next;
		3689	$map->valid or next;
		3690	$map->save;
		3691	}
		3692	warn "emergency_perl_save: end map save\n";
		3693
		3694	warn "emergency_perl_save: begin database checkpoint\n";
		3695	BDB::db_env_txn_checkpoint $DB_ENV;
		3696	warn "emergency_perl_save: end database checkpoint\n";
		3697
		3698	warn "emergency_perl_save: begin write uuid\n";
		3699	write_uuid_sync 1;
		3700	warn "emergency_perl_save: end write uuid\n";
		3701	};
		3702
		3703	warn "emergency_perl_save: starting sync()\n";
		3704	IO::AIO::aio_sync sub {
		3705	warn "emergency_perl_save: finished sync()\n";
		3706	};
		3707
		3708	warn "emergency_perl_save: leave\n";
		3709	}
		3710
		3711	sub post_cleanup {
		3712	my ($make_core) = @_;
		3713
		3714	warn Carp::longmess "post_cleanup backtrace"
		3715	if $make_core;
		3716
		3717	my $fh = pidfile;
		3718	unlink $PIDFILE if <$fh> == $$;
		3719	}
		3720
		3721	# a safer delete_package, copied from Symbol
		3722	sub clear_package($) {
		3723	my $pkg = shift;
		3724
		3725	# expand to full symbol table name if needed
		3726	unless ($pkg =~ /^main::.*::$/) {
		3727	$pkg = "main$pkg" if $pkg =~ /^::/;
		3728	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3729	$pkg .= '::' unless $pkg =~ /::$/;
		3730	}
		3731
		3732	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3733	my $stem_symtab = *{$stem}{HASH};
		3734
		3735	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3736	or return;
		3737
		3738	# clear all symbols
		3739	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3740	for my $name (keys %$leaf_symtab) {
		3741	_gv_clear *{"$pkg$name"};
		3742	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3743	}
		3744	warn "cleared package $pkg\n";#d#
		3745	}
		3746
2004	sub reload() {	3747	sub do_reload_perl() {
2005	# can/must only be called in main	3748	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3750	warn "can only reload from main coroutine";
2008	return;	3751	return;
2009	}	3752	}
2010		3753
		3754	return if $RELOAD++;
		3755
		3756	my $t1 = EV::time;
		3757
		3758	while ($RELOAD) {
2011	warn "reloading...";	3759	warn "reloading...";
2012		3760
2013	local $FREEZE = 1;	3761	warn "entering sync_job";
		3762
		3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
2014	cf::emergency_save;	3765	cf::emergency_save;
		3766	cf::write_runtime_sync; # external watchdog should not bark
2015		3767
2016	eval {	3768	warn "syncing database to disk";
		3769	BDB::db_env_txn_checkpoint $DB_ENV;
		3770
2017	# if anything goes wrong in here, we should simply crash as we already saved	3771	# if anything goes wrong in here, we should simply crash as we already saved
2018		3772
2019	# cancel all watchers	3773	warn "flushing outstanding aio requests";
2020	for (Event::all_watchers) {	3774	while (IO::AIO::nreqs || BDB::nreqs) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3775	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2022	}
2023
2024	# cancel all extension coros
2025	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();
2027
2028	# unload all extensions
2029	for (@exts) {
2030	warn "unloading <$_>";
2031	unload_extension $_;
2032	}
2033
2034	# unload all modules loaded from $LIBDIR
2035	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037
2038	warn "removing <$k>";
2039	delete $INC{$k};
2040
2041	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;
2043
2044	if (my $cb = $k->can ("unload_module")) {
2045	$cb->();
2046	}	3776	}
2047		3777
2048	Symbol::delete_package $k;	3778	warn "cancelling all extension coros";
		3779	$_->cancel for values %EXT_CORO;
		3780	%EXT_CORO = ();
		3781
		3782	warn "removing commands";
		3783	%COMMAND = ();
		3784
		3785	warn "removing ext/exti commands";
		3786	%EXTCMD = ();
		3787	%EXTICMD = ();
		3788
		3789	warn "unloading/nuking all extensions";
		3790	for my $pkg (@EXTS) {
		3791	warn "... unloading $pkg";
		3792
		3793	if (my $cb = $pkg->can ("unload")) {
		3794	eval {
		3795	$cb->($pkg);
		3796	1
		3797	} or warn "$pkg unloaded, but with errors: $@";
		3798	}
		3799
		3800	warn "... clearing $pkg";
		3801	clear_package $pkg;
2049	}	3802	}
2050		3803
2051	# sync database to disk	3804	warn "unloading all perl modules loaded from $LIBDIR";
2052	cf::db_sync;	3805	while (my ($k, $v) = each %INC) {
2053	IO::AIO::flush;	3806	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2054		3807
		3808	warn "... unloading $k";
		3809	delete $INC{$k};
		3810
		3811	$k =~ s/\.pm$//;
		3812	$k =~ s/\//::/g;
		3813
		3814	if (my $cb = $k->can ("unload_module")) {
		3815	$cb->();
		3816	}
		3817
		3818	clear_package $k;
		3819	}
		3820
2055	# get rid of safe::, as good as possible	3821	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3822	clear_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3823	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3824
2059	# remove register_script_function callbacks	3825	warn "unloading cf.pm \"a bit\"";
2060	# TODO
2061
2062	# unload cf.pm "a bit"
2063	delete $INC{"cf.pm"};	3826	delete $INC{"cf.pm"};
		3827	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2064		3828
2065	# don't, removes xs symbols, too,	3829	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3830	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3831	#clear_package __PACKAGE__;
2068		3832
2069	# reload cf.pm	3833	warn "unload completed, starting to reload now";
		3834
2070	warn "reloading cf.pm";	3835	warn "reloading cf.pm";
2071	require cf;	3836	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3837	cf::_connect_to_perl_1;
2073		3838
2074	# load config and database again	3839	warn "loading config and database again";
2075	cf::cfg_load;	3840	cf::reload_config;
2076	cf::db_load;
2077		3841
2078	# load extensions
2079	warn "load extensions";	3842	warn "loading extensions";
2080	cf::load_extensions;	3843	cf::load_extensions;
2081		3844
2082	# reattach attachments to objects	3845	if ($REATTACH_ON_RELOAD) {
		3846	warn "reattaching attachments to objects/players";
		3847	_global_reattach; # objects, sockets
		3848	warn "reattaching attachments to maps";
		3849	reattach $_ for values %MAP;
		3850	warn "reattaching attachments to players";
		3851	reattach $_ for values %PLAYER;
		3852	}
		3853
		3854	warn "running post_init jobs";
		3855	(pop @POST_INIT)->(1) while @POST_INIT;
		3856
		3857	warn "leaving sync_job";
		3858
		3859	1
		3860	} or do {
		3861	warn $@;
		3862	cf::cleanup "error while reloading, exiting.";
		3863	};
		3864
2083	warn "reattach";	3865	warn "reloaded";
2084	_global_reattach;	3866	--$RELOAD;
		3867	}
		3868
		3869	$t1 = EV::time - $t1;
		3870	warn "reload completed in ${t1}s\n";
		3871	};
		3872
		3873	our $RELOAD_WATCHER; # used only during reload
		3874
		3875	sub reload_perl() {
		3876	# doing reload synchronously and two reloads happen back-to-back,
		3877	# coro crashes during coro_state_free->destroy here.
		3878
		3879	$RELOAD_WATCHER ||= cf::async {
		3880	Coro::AIO::aio_wait cache_extensions;
		3881
		3882	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3883	do_reload_perl;
		3884	undef $RELOAD_WATCHER;
		3885	};
2085	};	3886	};
2086
2087	if ($@) {
2088	warn $@;
2089	warn "error while reloading, exiting.";
2090	exit 1;
2091	}
2092
2093	warn "reloaded successfully";
2094	};
2095
2096	#############################################################################
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3887	}
2138
2139	register "<global>", __PACKAGE__;
2140		3888
2141	register_command "reload" => sub {	3889	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3890	my ($who, $arg) = @_;
2143		3891
2144	if ($who->flag (FLAG_WIZ)) {	3892	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3893	$who->message ("reloading server.");
		3894	async {
		3895	$Coro::current->{desc} = "perl_reload";
		3896	reload_perl;
		3897	};
2148	}	3898	}
2149	};	3899	};
2150		3900
2151	unshift @INC, $LIBDIR;	3901	unshift @INC, $LIBDIR;
2152		3902
2153	$TICK_WATCHER = Event->timer (	3903	my $bug_warning = 0;
2154	reentrant => 0,	3904
2155	prio => 0,	3905	our @WAIT_FOR_TICK;
2156	at => $NEXT_TICK || $TICK,	3906	our @WAIT_FOR_TICK_BEGIN;
2157	data => WF_AUTOCANCEL,	3907
2158	cb => sub {	3908	sub wait_for_tick {
2159	unless ($FREEZE) {	3909	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub wait_for_tick_begin {
		3917	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3918
		3919	my $signal = new Coro::Signal;
		3920	push @WAIT_FOR_TICK_BEGIN, $signal;
		3921	$signal->wait;
		3922	}
		3923
		3924	sub tick {
		3925	if ($Coro::current != $Coro::main) {
		3926	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3927	unless ++$bug_warning > 10;
		3928	return;
		3929	}
		3930
2160	cf::server_tick; # one server iteration	3931	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;
2162	}
2163		3932
2164	$NEXT_TICK += $TICK;	3933	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2165		3934
2166	# if we are delayed by four ticks or more, skip them all	3935	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3936	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2168		3937	Coro::async_pool {
2169	$TICK_WATCHER->at ($NEXT_TICK);	3938	$Coro::current->{desc} = "runtime saver";
2170	$TICK_WATCHER->start;
2171	},
2172	);
2173
2174	IO::AIO::max_poll_time $TICK * 0.2;
2175
2176	Event->io (
2177	fd => IO::AIO::poll_fileno,
2178	poll => 'r',
2179	prio => 5,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,
2186	after => 0,
2187	interval => 10,
2188	cb => sub {
2189	(Coro::unblock_sub {
2190	write_runtime	3939	write_runtime_sync
2191	or warn "ERROR: unable to write runtime file: $!";	3940	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	3941	};
2193	},	3942	}
2194	);	3943
		3944	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3945	$sig->send;
		3946	}
		3947	while (my $sig = shift @WAIT_FOR_TICK) {
		3948	$sig->send;
		3949	}
		3950
		3951	$LOAD = ($NOW - $TICK_START) / $TICK;
		3952	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3953
		3954	if (0) {
		3955	if ($NEXT_TICK) {
		3956	my $jitter = $TICK_START - $NEXT_TICK;
		3957	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3958	warn "jitter $JITTER\n";#d#
		3959	}
		3960	}
		3961	}
		3962
		3963	{
		3964	# configure BDB
		3965
		3966	BDB::min_parallel 16;
		3967	BDB::max_poll_reqs $TICK * 0.1;
		3968	$AnyEvent::BDB::WATCHER->priority (1);
		3969
		3970	unless ($DB_ENV) {
		3971	$DB_ENV = BDB::db_env_create;
		3972	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3973	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3974	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3975	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3976	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3977
		3978	cf::sync_job {
		3979	eval {
		3980	BDB::db_env_open
		3981	$DB_ENV,
		3982	$BDBDIR,
		3983	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3984	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3985	0666;
		3986
		3987	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3988	};
		3989
		3990	cf::cleanup "db_env_open(db): $@" if $@;
		3991	};
		3992	}
		3993
		3994	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3995	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3996	};
		3997	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3998	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3999	};
		4000	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4001	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4002	};
		4003	}
		4004
		4005	{
		4006	# configure IO::AIO
		4007
		4008	IO::AIO::min_parallel 8;
		4009	IO::AIO::max_poll_time $TICK * 0.1;
		4010	undef $AnyEvent::AIO::WATCHER;
		4011	}
		4012
		4013	my $_log_backtrace;
		4014
		4015	sub _log_backtrace {
		4016	my ($msg, @addr) = @_;
		4017
		4018	$msg =~ s/\n//;
		4019
		4020	# limit the # of concurrent backtraces
		4021	if ($_log_backtrace < 2) {
		4022	++$_log_backtrace;
		4023	my $perl_bt = Carp::longmess $msg;
		4024	async {
		4025	$Coro::current->{desc} = "abt $msg";
		4026
		4027	my @bt = fork_call {
		4028	@addr = map { sprintf "%x", $_ } @addr;
		4029	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4030	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4031	or die "addr2line: $!";
		4032
		4033	my @funcs;
		4034	my @res = <$fh>;
		4035	chomp for @res;
		4036	while (@res) {
		4037	my ($func, $line) = splice @res, 0, 2, ();
		4038	push @funcs, "[$func] $line";
		4039	}
		4040
		4041	@funcs
		4042	};
		4043
		4044	LOG llevInfo, "[ABT] $perl_bt\n";
		4045	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4046	LOG llevInfo, "[ABT] $_\n" for @bt;
		4047	--$_log_backtrace;
		4048	};
		4049	} else {
		4050	LOG llevInfo, "[ABT] $msg\n";
		4051	LOG llevInfo, "[ABT] [suppressed]\n";
		4052	}
		4053	}
		4054
		4055	# load additional modules
		4056	require "cf/$_.pm" for @EXTRA_MODULES;
		4057	cf::_connect_to_perl_2;
		4058
		4059	END { cf::emergency_save }
2195		4060
2196	1	4061	1
2197		4062

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