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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.520 by root, Fri Apr 16 02:37:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		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" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	99	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	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 $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	118	our $NEXT_TICK;
52	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
53		127
54	our %CFG;	128	our %CFG;
55		129
56	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
58		133
59	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		137
67	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
		150
70	binmode STDOUT;	151	binmode STDOUT;
71	binmode STDERR;	152	binmode STDERR;
72		153
73	# read virtual server time, if available	154	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
78	}	159	}
79		160
80	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	162
82	mkdir cf::localdir . "/" . cf::tmpdir;	163	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		165
86	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		180
88	#############################################################################	181	#############################################################################
89		182
90	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
91		184
…		…
98	=item $cf::RUNTIME	191	=item $cf::RUNTIME
99		192
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	194	every server tick.
102		195
103	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		199
105	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
107		204
108	=item $cf::NOW	205	=item $cf::NOW
109		206
110	The time of the last (current) server tick.	207	The time of the last (current) server tick.
111		208
112	=item $cf::TICK	209	=item $cf::TICK
113		210
114	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
115		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
116	=item %cf::CFG	223	=item %cf::CFG
117		224
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	226	from wherever your confdir points to.
120		227
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	228	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		229
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	231	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
127		245
128	=back	246	=back
129		247
130	=cut	248	=cut
131		249
132	BEGIN {	250	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	251	my $msg = join "", @_;
135	utf8::encode $msg;
136		252
137	$msg .= "\n"	253	$msg .= "\n"
138	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
139		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
140	LOG llevError, $msg;	258	LOG llevError, $msg;
141	};	259	};
142	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
143		274
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		282
151	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	284	# within the Safe compartment.
153	for my $pkg (qw(	285	for my $pkg (qw(
154	cf::global cf::attachable	286	cf::global cf::attachable
155	cf::object cf::object::player	287	cf::object cf::object::player
156	cf::client cf::player	288	cf::client cf::player
157	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
158	cf::map cf::party cf::region	291	cf::party cf::region
159	)) {	292	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	294	}
163		295
164	$Event::DIED = sub {	296	$EV::DIED = sub {
165	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
166	};	298	};
		299
		300	#############################################################################
167		301
168	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
169		303
170	=over 4	304	=over 4
171		305
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	325	$d
192	} || "[unable to dump $_[0]: '$@']";	326	} || "[unable to dump $_[0]: '$@']";
193	}	327	}
194		328
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
198		330
199	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
200		332
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
209		334
210	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
211		336
212	=cut	337	=cut
213		338
214	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
216	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
217	}	356	}
218		357
219	=item cf::lock_wait $string	358	=item cf::lock_wait $string
220		359
221	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
222		361
223	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
224		363
225	Wait until the given lock is available and then acquires it and returns	364	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
228	returned.	367	returned.
229		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
230	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
232		374
233	=cut	375	=item $locked = cf::lock_active $string
234		376
235	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
236		382
237	sub lock_wait($) {	383	sub lock_wait($) {
238	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	385	}
246		386
247	sub lock_acquire($) {	387	sub lock_acquire($) {
248	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
249		390
250	# wait, to be sure we are not locked	391	sub lock_active($) {
251	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	393	}
260		394
261	sub freeze_mainloop {	395	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
263		397
264	my $guard = Coro::guard {	398	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	399	}
266	$WRITE_RUNTIME_WATCHER->start;	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
267	};	465	}
268	$WRITE_RUNTIME_WATCHER->stop;	466	};
269	$TICK_WATCHER->stop;	467
270	$guard	468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
271	}	481	}
272		482
273	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
274		484
275	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		490
281	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
282		492
283	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
284		494
285	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
288		499
289	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
292	fast or be very important.	503	fast or be very important.
…		…
295		506
296	sub sync_job(&) {	507	sub sync_job(&) {
297	my ($job) = @_;	508	my ($job) = @_;
298		509
299	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
300	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
302		515
303	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	517
305	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
306		519
307	my $busy = 1;	520	my $busy = 1;
308	my @res;	521	my @res;
309		522
310	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	525	@res = eval { $job->() };
312	warn $@ if $@;	526	warn $@ if $@;
313	undef $busy;	527	undef $busy;
314	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
315		529
316	while ($busy) {	530	while ($busy) {
317	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
318	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
319		541
320	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
321	} else {	543	} else {
322	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
323		545
…		…
343	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
344		566
345	$coro	567	$coro
346	}	568	}
347		569
348	sub write_runtime {	570	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		571
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
352	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
353		576
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		578
358	aio_fsync $fh	579	sub fork_call(&@) {
359	and return;	580	my ($cb, @args) = @_;
360		581
361	close $fh	582	# we seemingly have to make a local copy of the whole thing,
362	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
363		585
364	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
365	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
366		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
367	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	768	}
369		769
370	=back	770	=back
371		771
372	=cut	772	=cut
373		773
374	#############################################################################	774	#############################################################################
375		775
376	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
377		777
378	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
381		781
382	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	784	Deliantra).
385		785
386	=over 4	786	=over 4
387		787
388	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
389		789
…		…
433	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
434		834
435	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
437		837
438	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
440		840
441	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
442		842
443	=over 4	843	=over 4
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	904	our @CB_MAP = ();
505		905
506	my %attachment;	906	my %attachment;
507		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
508	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
510		916
511	use sort 'stable';	917	use sort 'stable';
512		918
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
547		953
548	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		958
553	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	960	my $pkg = shift @arg;
555		961
556	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
586	}	992	}
587		993
588	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
589	} else {	995	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	997	}
592		998
593	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
594	}	1000	}
595		1001
…		…
597	if (ref $_[0]) {	1003	if (ref $_[0]) {
598	_object_attach @_;	1004	_object_attach @_;
599	} else {	1005	} else {
600	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
601	}	1007	}
		1008	_recalc_want;
602	};	1009	};
603		1010
604	# all those should be optimised	1011	# all those should be optimised
605	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
610	reattach ($obj);	1017	reattach ($obj);
611	} else {	1018	} else {
612	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
613	}	1020	}
		1021	_recalc_want;
614	};	1022	};
615		1023
616	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
618		1026
…		…
633	";	1041	";
634	die if $@;	1042	die if $@;
635	}	1043	}
636		1044
637	our $override;	1045	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		1047
640	sub override {	1048	sub override {
641	$override = 1;	1049	$override = 1;
642	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
643	}	1051	}
644		1052
645	sub do_invoke {	1053	sub do_invoke {
646	my $event = shift;	1054	my $event = shift;
647	my $callbacks = shift;	1055	my $callbacks = shift;
648		1056
649	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
650		1058
651	local $override;	1059	local $override;
652		1060
653	for (@$callbacks) {	1061	for (@$callbacks) {
654	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
663	}	1071	}
664		1072
665	0	1073	0
666	}	1074	}
667		1075
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1077
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1079
672	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
673		1081
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1085
678	=back	1086	=back
679		1087
680	=cut	1088	=cut
681		1089
682	#############################################################################	1090	#############################################################################
683	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
684		1134
685	sub reattach {	1135	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1137	my ($obj) = @_;
688		1138
		1139	# no longer needed after getting rid of delete_package?
689	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
690		1141
691	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
692		1143
693	@$registry = ();	1144	@$registry = ();
694		1145
…		…
709	cf::attachable->attach (	1160	cf::attachable->attach (
710	prio => -1000000,	1161	prio => -1000000,
711	on_instantiate => sub {	1162	on_instantiate => sub {
712	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
713		1164
714	$data = from_json $data;	1165	$data = decode_json $data;
715		1166
716	for (@$data) {	1167	for (@$data) {
717	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
718		1169
719	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1186	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
737		1188
738	sync_job {	1189	sync_job {
739	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
742		1194
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
746	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
747	close $fh;	1202	aio_close $fh;
748		1203
749	if (@$objs) {	1204	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
754	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
755	close $fh;	1213	aio_close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
757	}	1215	}
758	} else {	1216	} else {
759	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
760	}	1218	}
761		1219
762	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
763	} else {	1224	} else {
764	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
765	}	1226	}
766	} else {	1227	} else {
767	aio_unlink $filename;	1228	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
769	}	1230	}
770	}	1231	};
771	}	1232	}
772		1233
773	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
775		1236
…		…
787	or return;	1248	or return;
788		1249
789	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
791	or return;	1252	or return;
		1253
792	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
793	}	1256	}
794		1257
		1258	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
797	return ($data, $av);	1262	($data, $av)
798	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
799		1270
800	#############################################################################	1271	#############################################################################
801	# command handling &c	1272	# command handling &c
802		1273
803	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1288	}
818		1289
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1291
821	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
822		1297
823	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
824	called.	1299	called.
825		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
826	=cut	1312	=cut
827		1313
828	sub register_extcmd {	1314	sub register_extcmd {
829	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
830		1316
831	$EXTCMD{$name} = $cb;	1317	$EXTCMD{$name} = $cb;
832	}	1318	}
833		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
		1327
834	cf::player->attach (	1328	cf::player->attach (
835	on_command => sub {	1329	on_unknown_command => sub {
836	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
837		1331
838	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
839	or return;	1333	or return;
840		1334
…		…
845	cf::override;	1339	cf::override;
846	},	1340	},
847	on_extcmd => sub {	1341	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
849		1343
850	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1345
852	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
858	} else {	1361	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1363	}
861		1364
862	cf::override;	1365	cf::override;
863	},	1366	},
864	);	1367	);
865		1368
		1369	# "readahead" all extensions
866	sub load_extension {	1370	sub cache_extensions {
867	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
868		1372
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
870	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
871	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}	1376	}
894	die $@;
895	}	1377	};
896		1378
897	push @EXTS, $pkg;	1379	$grp
898	}	1380	}
899		1381
900	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
901	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1387	next unless -r $path;
903	eval {	1388
904	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
905	1	1449	}
906	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
907	}	1460	};
908	}	1461	}
909		1462
910	#############################################################################	1463	#############################################################################
911		1464
		1465	=back
		1466
912	=head2 CORE EXTENSIONS	1467	=head2 CORE EXTENSIONS
913		1468
914	Functions and methods that extend core crossfire objects.	1469	Functions and methods that extend core deliantra objects.
915		1470
916	=cut	1471	=cut
917		1472
918	package cf::player;	1473	package cf::player;
919		1474
…		…
921		1476
922	=head3 cf::player	1477	=head3 cf::player
923		1478
924	=over 4	1479	=over 4
925		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
926	=item cf::player::find $login	1495	=item cf::player::find $login
927		1496
928	Returns the given player object, loading it if necessary (might block).	1497	Returns the given player object, loading it if necessary (might block).
929		1498
930	=cut	1499	=cut
931		1500
932	sub playerdir($) {	1501	sub playerdir($) {
933	cf::localdir	1502	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1504	}
939		1505
940	sub path($) {	1506	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1508
943	(playerdir $login) . "/$login.pl"	1509	(playerdir $login) . "/playerdata"
944	}	1510	}
945		1511
946	sub find_active($) {	1512	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1513	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1514	and $cf::PLAYER{$_[0]}->active
…		…
951		1517
952	sub exists($) {	1518	sub exists($) {
953	my ($login) = @_;	1519	my ($login) = @_;
954		1520
955	$cf::PLAYER{$login}	1521	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1522	or !aio_stat path $login
957	}	1523	}
958		1524
959	sub find($) {	1525	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1526	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1527	my $login = $_[0];
962		1528
963	my $guard = cf::lock_acquire "user_find:$login";	1529	my $guard = cf::lock_acquire "user_find:$login";
964		1530
965	$cf::PLAYER{$_[0]} || do {	1531	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
967	or return;	1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1547	$cf::PLAYER{$login} = $pl
969	}	1548	}
970	}	1549	}
971	}	1550	}
		1551
		1552	cf::player->attach (
		1553	on_load => sub {
		1554	my ($pl, $path) = @_;
		1555
		1556	# restore slots saved in save, below
		1557	my $slots = delete $pl->{_slots};
		1558
		1559	$pl->ob->current_weapon ($slots->[0]);
		1560	$pl->combat_ob ($slots->[1]);
		1561	$pl->ranged_ob ($slots->[2]);
		1562	},
		1563	);
972		1564
973	sub save($) {	1565	sub save($) {
974	my ($pl) = @_;	1566	my ($pl) = @_;
975		1567
976	return if $pl->{deny_save};	1568	return if $pl->{deny_save};
…		…
981	return if $pl->{deny_save};	1573	return if $pl->{deny_save};
982		1574
983	aio_mkdir playerdir $pl, 0770;	1575	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1576	$pl->{last_save} = $cf::RUNTIME;
985		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
986	$pl->save_pl ($path);	1583	$pl->save_pl ($path);
987	Coro::cede;	1584	cf::cede_to_tick;
988	}	1585	}
989		1586
990	sub new($) {	1587	sub new($) {
991	my ($login) = @_;	1588	my ($login) = @_;
992		1589
…		…
998	$cf::PLAYER{$login} = $self;	1595	$cf::PLAYER{$login} = $self;
999		1596
1000	$self	1597	$self
1001	}	1598	}
1002		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
1003	=item $pl->quit_character	1610	=item $pl->quit_character
1004		1611
1005	Nukes the player without looking back. If logged in, the connection will	1612	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1613	be destroyed. May block for a long time.
1007		1614
1008	=cut	1615	=cut
1009		1616
1010	sub quit_character {	1617	sub quit_character {
1011	my ($pl) = @_;	1618	my ($pl) = @_;
1012		1619
		1620	my $name = $pl->ob->name;
		1621
1013	$pl->{deny_save} = 1;	1622	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1015		1624
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017	$pl->deactivate;	1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1019	$pl->ns->destroy if $pl->ns;	1630	$pl->ns->destroy if $pl->ns;
1020		1631
1021	my $path = playerdir $pl;	1632	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1633	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1634	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1635	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
1026	IO::AIO::aio_rmtree $temp;	1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
1027	}	1658	}
1028		1659
1029	=item cf::player::list_logins	1660	=item cf::player::list_logins
1030		1661
1031	Returns am arrayref of all valid playernames in the system, can take a	1662	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1663	while and may block, so not sync_job-capable, ever.
1033		1664
1034	=cut	1665	=cut
1035		1666
1036	sub list_logins {	1667	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1668	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1669	or return [];
1039		1670
1040	my @logins;	1671	my @logins;
1041		1672
1042	for my $login (@$dirs) {	1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1680	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
1046		1683
1047	utf8::decode $login;	1684	utf8::decode $login;
1048	push @logins, $login;	1685	push @logins, $login;
1049	}	1686	}
1050		1687
…		…
1058		1695
1059	=cut	1696	=cut
1060		1697
1061	sub maps($) {	1698	sub maps($) {
1062	my ($pl) = @_;	1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1702
1064	my $files = aio_readdir playerdir $pl	1703	my $files = aio_readdir playerdir $pl
1065	or return;	1704	or return;
1066		1705
1067	my @paths;	1706	my @paths;
…		…
1069	for (@$files) {	1708	for (@$files) {
1070	utf8::decode $_;	1709	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1710	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1711	next unless /^$PATH_SEP/o;
1073		1712
1074	s/\.map$//;	1713	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1714	}
1077		1715
1078	\@paths	1716	\@paths
1079	}	1717	}
1080		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1723	=item $player->ext_reply ($msgid, @msg)
1082		1724
1083	Sends an ext reply to the player.	1725	Sends an ext reply to the player.
1084		1726
1085	=cut	1727	=cut
1086		1728
1087	sub ext_reply($$$%) {	1729	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1730	my ($self, $id, @msg) = @_;
1089		1731
1090	$msg{msgid} = $id;	1732	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1733	}
1094		1734
1095	package cf;	1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
		1748
		1749	=over 4
		1750
		1751	=cut
		1752
		1753	package cf::region;
		1754
		1755	=item cf::region::find_by_path $path
		1756
		1757	Tries to decuce the likely region for a map knowing only its path.
		1758
		1759	=cut
		1760
		1761	sub find_by_path($) {
		1762	my ($path) = @_;
		1763
		1764	my ($match, $specificity);
		1765
		1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
		1774	}
1096		1775
1097	=back	1776	=back
1098
1099		1777
1100	=head3 cf::map	1778	=head3 cf::map
1101		1779
1102	=over 4	1780	=over 4
1103		1781
…		…
1107		1785
1108	use Fcntl;	1786	use Fcntl;
1109	use Coro::AIO;	1787	use Coro::AIO;
1110		1788
1111	use overload	1789	use overload
1112	'""' => \&as_string;	1790	'""' => \&as_string,
		1791	fallback => 1;
1113		1792
1114	our $MAX_RESET = 3600;	1793	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1794	our $DEFAULT_RESET = 3000;
1116		1795
1117	sub generate_random_map {	1796	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1800
1120	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1802	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1125	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1126	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1127	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1128	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1814	)
1134	}	1815	}
1135		1816
		1817	=item cf::map->register ($regex, $prio)
		1818
		1819	Register a handler for the map path matching the given regex at the
		1820	givne priority (higher is better, built-in handlers have priority 0, the
		1821	default).
		1822
		1823	=cut
		1824
1136	sub register {	1825	sub register {
1137	my (undef, $regex) = @_;	1826	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1827	my $pkg = caller;
1139		1828
1140	no strict;	1829	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1830	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1831
1143	$EXT_MAP{$pkg} = qr<$regex>;	1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1833	}
1145		1834
1146	# also paths starting with '/'	1835	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
1148		1847
1149	sub normalise {	1848	sub normalise {
1150	my ($path, $base) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
1151		1854
1152	# map plan:	1855	# map plan:
1153	#	1856	#
1154	# /! non-realised random map exit (special hack!)	1857	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1858	# {... are special paths that are not being touched
…		…
1183		1886
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1888
1186	$path = normalise $path, $base;	1889	$path = normalise $path, $base;
1187		1890
1188	for my $pkg (keys %EXT_MAP) {	1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1893	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1894	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1895	$self->init; # pass $1 etc.
1193	return $self;	1896	return $self;
1194	}	1897	}
1195	}	1898	}
1196		1899
1197	Carp::carp "unable to resolve path '$path'.";	1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1901	()
1199	}	1902	}
1200		1903
1201	sub init {	1904	sub init {
1202	my ($self) = @_;	1905	my ($self) = @_;
…		…
1217		1920
1218	# the original (read-only) location	1921	# the original (read-only) location
1219	sub load_path {	1922	sub load_path {
1220	my ($self) = @_;	1923	my ($self) = @_;
1221		1924
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1925	"$MAPDIR/$self->{path}.map"
1223	}	1926	}
1224		1927
1225	# the temporary/swap location	1928	# the temporary/swap location
1226	sub save_path {	1929	sub save_path {
1227	my ($self) = @_;	1930	my ($self) = @_;
1228		1931
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1933	"$TMPDIR/$path.map"
1231	}	1934	}
1232		1935
1233	# the unique path, undef == no special unique path	1936	# the unique path, undef == no special unique path
1234	sub uniq_path {	1937	sub uniq_path {
1235	my ($self) = @_;	1938	my ($self) = @_;
1236		1939
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1941	"$UNIQUEDIR/$path"
1239	}	1942	}
1240		1943
1241	# and all this just because we cannot iterate over	1944	sub decay_objects {
1242	# all maps in C++...
1243	sub change_all_map_light {
1244	my ($change) = @_;	1945	my ($self) = @_;
1245		1946
1246	$_->change_map_light ($change)	1947	return if $self->{deny_reset};
1247	for grep $_->outdoor, values %cf::MAP;	1948
		1949	$self->do_decay_objects;
1248	}	1950	}
1249		1951
1250	sub unlink_save {	1952	sub unlink_save {
1251	my ($self) = @_;	1953	my ($self) = @_;
1252		1954
1253	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1958	}
1257		1959
1258	sub load_header_from($) {	1960	sub load_header_from($) {
1259	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1260		1962
1261	utf8::encode $path;	1963	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1263	or return;	1965	or return;
1264		1966
1265	$self->_load_header ($path)	1967	$self->_load_header ($f)
1266	or return;	1968	or return;
1267		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1268	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1269		1974
1270	1	1975	1
1271	}	1976	}
1272		1977
1273	sub load_orig {	1978	sub load_header_orig {
1274	my ($self) = @_;	1979	my ($self) = @_;
1275		1980
1276	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1277	}	1982	}
1278		1983
1279	sub load_temp {	1984	sub load_header_temp {
1280	my ($self) = @_;	1985	my ($self) = @_;
1281		1986
1282	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1283	}	2007	}
1284		2008
1285	sub load_header {	2009	sub load_header {
1286	my ($self) = @_;	2010	my ($self) = @_;
1287		2011
1288	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	2014	} else {
1295	$self->load_orig	2015	$self->load_header_orig
1296	or return;	2016	or return;
1297		2017	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1303		2025
1304	1	2026	1
1305	}	2027	}
1306		2028
1307	sub find;	2029	sub find;
1308	sub find {	2030	sub find {
1309	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1310		2032
1311	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1312		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	2036	my $guard2 = cf::lock_acquire "map_find:$path";
1314		2037
1315	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
1316	my $guard = cf::lock_acquire "map_find:$path";
1317	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1318	or return;	2040	or return;
1319		2041
1320	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1321		2043
1322	$map->load_header	2044	$map->load_header
1323	or return;	2045	or return;
1324		2046
1325	if ($map->should_reset) {	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1326	$map->reset;	2052	$map->reset;
1327	undef $guard;
1328	$map = find $path	2053	return find $path;
1329	or return;
1330	}	2054	}
1331		2055
1332	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1333	}	2057	}
1334	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1335		2062
1336	sub load {	2063	sub load {
1337	my ($self) = @_;	2064	my ($self) = @_;
1338		2065
		2066	local $self->{deny_reset} = 1; # loading can take a long time
		2067
1339	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1341		2072
		2073	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2075
1344	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1345		2077
1346	$self->alloc;	2078	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1348	or return;	2086	or return;
1349		2087
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1351	if delete $self->{load_original};	2089	if delete $self->{load_original};
1352		2090
1353	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2092	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2095	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1358	}	2099	}
1359	}	2100	}
1360		2101
1361	Coro::cede;	2102	$f->resolve_delayed_derefs;
1362		2103
		2104	cf::cede_to_tick;
1363	# now do the right thing for maps	2105	# now do the right thing for maps
1364	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2108	unless $self->difficulty;
1374	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1375	$self->activate;	2116	$self->activate;
1376	}	2117	}
1377		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1379	}	2123	}
1380		2124
		2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
1381	sub customise_for {	2131	sub customise_for {
1382	my ($self, $ob) = @_;	2132	my ($self, $ob) = @_;
1383		2133
1384	return find "~" . $ob->name . "/" . $self->{path}	2134	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2135	if $self->per_player;
1386		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
1387	$self	2140	$self
1388	}	2141	}
1389		2142
1390	# find and load all maps in the 3x3 area around a map	2143	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2144	sub load_neighbours {
1392	my ($map) = @_;	2145	my ($map) = @_;
1393		2146
1394	my @diag; # diagonal neighbours	2147	my @neigh; # diagonal neighbours
1395		2148
1396	for (0 .. 3) {	2149	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2150	my $neigh = $map->tile_path ($_)
1398	or next;	2151	or next;
1399	$neigh = find $neigh, $map	2152	$neigh = find $neigh, $map
1400	or next;	2153	or next;
1401	$neigh->load;	2154	$neigh->load;
1402		2155
		2156	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2159	}
1406		2160
1407	for (@diag) {	2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2163	my $neigh = find $path, $origin
1409	or next;	2164	or next;
1410	$neigh->load;	2165	$neigh->load;
1411	}	2166	}
1412	}	2167	}
1413		2168
…		…
1418	}	2173	}
1419		2174
1420	sub do_load_sync {	2175	sub do_load_sync {
1421	my ($map) = @_;	2176	my ($map) = @_;
1422		2177
		2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2179	if $Coro::current == $Coro::main;
		2180
1423	cf::sync_job { $map->load };	2181	cf::sync_job { $map->load };
1424	}	2182	}
1425		2183
1426	our %MAP_PREFETCH;	2184	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2185	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2186
1440	sub find_async {	2187	sub find_async {
1441	my ($path, $origin) = @_;	2188	my ($path, $origin, $load) = @_;
1442		2189
1443	$path = normalise $path, $origin && $origin->{path};	2190	$path = normalise $path, $origin && $origin->{path};
1444		2191
1445	if (my $map = $cf::MAP{$path}) {	2192	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
1447	}	2211	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2212	$MAP_PREFETCHER->prio (6);
1451		2213
1452	()	2214	()
1453	}	2215	}
1454		2216
		2217	# common code, used by both ->save and ->swapout
1455	sub save {	2218	sub _save {
1456	my ($self) = @_;	2219	my ($self) = @_;
1457
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;
1459		2220
1460	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1461		2222
1462	return unless $self->dirty;	2223	return unless $self->dirty;
1463		2224
…		…
1469	return if $self->{deny_save};	2230	return if $self->{deny_save};
1470		2231
1471	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1472		2233
1473	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1475	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1476		2240
1477	if ($uniq) {	2241	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1480	} else {	2244	} else {
1481	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1482	}	2246	}
1483	}	2247	}
1484		2248
		2249	sub save {
		2250	my ($self) = @_;
		2251
		2252	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2253
		2254	$self->_save;
		2255	}
		2256
1485	sub swap_out {	2257	sub swap_out {
1486	my ($self) = @_;	2258	my ($self) = @_;
1487		2259
1488	# save first because save cedes
1489	$self->save;
1490
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2261
		2262	return if $self->in_memory != cf::MAP_ACTIVE;
		2263	return if $self->{deny_save};
1493	return if $self->players;	2264	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};
1496		2265
		2266	# first deactivate the map and "unlink" it from the core
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
		2269	$self->in_memory (cf::MAP_SWAPPED);
		2270
		2271	# then atomically save
		2272	$self->_save;
		2273
		2274	# then free the map
1497	$self->clear;	2275	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2276	}
1500		2277
1501	sub reset_at {	2278	sub reset_at {
1502	my ($self) = @_;	2279	my ($self) = @_;
1503		2280
1504	# TODO: safety, remove and allow resettable per-player maps	2281	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2282	return 1e99 if $self->{deny_reset};
1507		2283
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2284	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2285	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2286
…		…
1515	my ($self) = @_;	2291	my ($self) = @_;
1516		2292
1517	$self->reset_at <= $cf::RUNTIME	2293	$self->reset_at <= $cf::RUNTIME
1518	}	2294	}
1519		2295
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2296	sub reset {
1535	my ($self) = @_;	2297	my ($self) = @_;
1536		2298
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2299	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2300
1539	return if $self->players;	2301	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2302
1542	warn "resetting map ", $self->path;#d#	2303	warn "resetting map ", $self->path, "\n";
		2304
		2305	$self->in_memory (cf::MAP_SWAPPED);
		2306
		2307	# need to save uniques path
		2308	unless ($self->{deny_save}) {
		2309	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2310
		2311	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2312	if $uniq;
		2313	}
1543		2314
1544	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1545		2316
1546	$self->in_memory (cf::MAP_SWAPPED);	2317	$self->deactivate;
		2318	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2319	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2320
1551	$self->unlink_save;	2321	$self->unlink_save;
1552	$self->destroy;	2322	$self->destroy;
1553	}	2323	}
1554		2324
1555	my $nuke_counter = "aaaa";	2325	my $nuke_counter = "aaaa";
1556		2326
1557	sub nuke {	2327	sub nuke {
1558	my ($self) = @_;	2328	my ($self) = @_;
1559		2329
		2330	{
		2331	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2332
		2333	delete $cf::MAP{$self->path};
		2334
		2335	$self->unlink_save;
		2336
		2337	bless $self, "cf::map";
		2338	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2339	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2340	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2341	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2342
		2343	$cf::MAP{$self->path} = $self;
		2344	}
		2345
1563	$self->reset; # polite request, might not happen	2346	$self->reset; # polite request, might not happen
		2347	}
		2348
		2349	=item $maps = cf::map::tmp_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	maps. May block.
		2353
		2354	=cut
		2355
		2356	sub tmp_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise $_
		2362	: ()
		2363	} @{ aio_readdir $TMPDIR or [] }
		2364	]
		2365	}
		2366
		2367	=item $maps = cf::map::random_maps
		2368
		2369	Returns an arrayref with all map paths of currently instantiated and saved
		2370	random maps. May block.
		2371
		2372	=cut
		2373
		2374	sub random_maps() {
		2375	[
		2376	map {
		2377	utf8::decode $_;
		2378	/\.map$/
		2379	? normalise "?random/$_"
		2380	: ()
		2381	} @{ aio_readdir $RANDOMDIR or [] }
		2382	]
1564	}	2383	}
1565		2384
1566	=item cf::map::unique_maps	2385	=item cf::map::unique_maps
1567		2386
1568	Returns an arrayref of paths of all shared maps that have	2387	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2388	instantiated unique items. May block.
1570		2389
1571	=cut	2390	=cut
1572		2391
1573	sub unique_maps() {	2392	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2393	[
1575	or return;	2394	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2395	utf8::decode $_;
1581	next if /\.pst$/;	2396	s/\.map$//; # TODO future compatibility hack
1582	next unless /^$PATH_SEP/o;	2397	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2398	? ()
		2399	: normalise $_
		2400	} @{ aio_readdir $UNIQUEDIR or [] }
		2401	]
		2402	}
1583		2403
		2404	=item cf::map::static_maps
		2405
		2406	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2407	file in the shared directory excluding F</styles> and F</editor>). May
		2408	block.
		2409
		2410	=cut
		2411
		2412	sub static_maps() {
		2413	my @dirs = "";
		2414	my @maps;
		2415
		2416	while (@dirs) {
		2417	my $dir = shift @dirs;
		2418
		2419	next if $dir eq "/styles" || $dir eq "/editor";
		2420
		2421	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2422	or return;
		2423
		2424	for (@$files) {
1584	s/\.map$//;	2425	s/\.map$// or next;
1585	push @paths, $_;	2426	utf8::decode $_;
1586	}	2427	push @maps, "$dir/$_";
		2428	}
1587		2429
1588	\@paths	2430	push @dirs, map "$dir/$_", @$dirs;
1589	}	2431	}
1590		2432
1591	package cf;	2433	\@maps
		2434	}
1592		2435
1593	=back	2436	=back
1594		2437
1595	=head3 cf::object	2438	=head3 cf::object
1596		2439
…		…
1600		2443
1601	=over 4	2444	=over 4
1602		2445
1603	=item $ob->inv_recursive	2446	=item $ob->inv_recursive
1604		2447
1605	Returns the inventory of the object _and_ their inventories, recursively.	2448	Returns the inventory of the object I<and> their inventories, recursively,
		2449	but I<not> the object itself.
1606		2450
1607	=cut	2451	=cut
1608		2452
1609	sub inv_recursive_;	2453	sub inv_recursive_;
1610	sub inv_recursive_ {	2454	sub inv_recursive_ {
…		…
1613		2457
1614	sub inv_recursive {	2458	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2459	inv_recursive_ inv $_[0]
1616	}	2460	}
1617		2461
		2462	=item $ref = $ob->ref
		2463
		2464	Creates and returns a persistent reference to an object that can be stored as a string.
		2465
		2466	=item $ob = cf::object::deref ($refstring)
		2467
		2468	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2469	even if the object actually exists. May block.
		2470
		2471	=cut
		2472
		2473	sub deref {
		2474	my ($ref) = @_;
		2475
		2476	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2477	my ($uuid, $name) = ($1, $2);
		2478	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2479	or return;
		2480	$pl->ob->uuid eq $uuid
		2481	or return;
		2482
		2483	$pl->ob
		2484	} else {
		2485	warn "$ref: cannot resolve object reference\n";
		2486	undef
		2487	}
		2488	}
		2489
1618	package cf;	2490	package cf;
1619		2491
1620	=back	2492	=back
1621		2493
1622	=head3 cf::object::player	2494	=head3 cf::object::player
…		…
1628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2500	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1629	can be C<undef>. Does the right thing when the player is currently in a	2501	can be C<undef>. Does the right thing when the player is currently in a
1630	dialogue with the given NPC character.	2502	dialogue with the given NPC character.
1631		2503
1632	=cut	2504	=cut
		2505
		2506	our $SAY_CHANNEL = {
		2507	id => "say",
		2508	title => "Map",
		2509	reply => "say ",
		2510	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2511	};
		2512
		2513	our $CHAT_CHANNEL = {
		2514	id => "chat",
		2515	title => "Chat",
		2516	reply => "chat ",
		2517	tooltip => "Player chat and shouts, global to the server.",
		2518	};
1633		2519
1634	# rough implementation of a future "reply" method that works	2520	# rough implementation of a future "reply" method that works
1635	# with dialog boxes.	2521	# with dialog boxes.
1636	#TODO: the first argument must go, split into a $npc->reply_to ( method	2522	#TODO: the first argument must go, split into a $npc->reply_to ( method
1637	sub cf::object::player::reply($$$;$) {	2523	sub cf::object::player::reply($$$;$) {
…		…
1639		2525
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2526	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2527
1642	if ($self->{record_replies}) {	2528	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2529	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2530
1644	} else {	2531	} else {
		2532	my $pl = $self->contr;
		2533
		2534	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2535	my $dialog = $pl->{npc_dialog};
		2536	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2537
		2538	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2539	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2540	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2541	}
1647	}	2542	}
		2543	}
		2544
		2545	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2546
		2547	=cut
		2548
		2549	sub cf::object::send_msg {
		2550	my $pl = shift->contr
		2551	or return;
		2552	$pl->send_msg (@_);
1648	}	2553	}
1649		2554
1650	=item $player_object->may ("access")	2555	=item $player_object->may ("access")
1651		2556
1652	Returns wether the given player is authorized to access resource "access"	2557	Returns wether the given player is authorized to access resource "access"
…		…
1665		2570
1666	=item $player_object->enter_link	2571	=item $player_object->enter_link
1667		2572
1668	Freezes the player and moves him/her to a special map (C<{link}>).	2573	Freezes the player and moves him/her to a special map (C<{link}>).
1669		2574
1670	The player should be reasonably safe there for short amounts of time. You	2575	The player should be reasonably safe there for short amounts of time (e.g.
1671	I<MUST> call C<leave_link> as soon as possible, though.	2576	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2577	though, as the palyer cannot control the character while it is on the link
		2578	map.
1672		2579
1673	Will never block.	2580	Will never block.
1674		2581
1675	=item $player_object->leave_link ($map, $x, $y)	2582	=item $player_object->leave_link ($map, $x, $y)
1676		2583
…		…
1684	=cut	2591	=cut
1685		2592
1686	sub link_map {	2593	sub link_map {
1687	unless ($LINK_MAP) {	2594	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2595	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2596	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2597	$LINK_MAP->load;
1691	}	2598	}
1692		2599
1693	$LINK_MAP	2600	$LINK_MAP
1694	}	2601	}
…		…
1699	$self->deactivate_recursive;	2606	$self->deactivate_recursive;
1700		2607
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2608	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2609
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2610	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2611	if $self->map && $self->map->{path} ne "{link}";
1705		2612
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2613	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1707	}	2614	}
1708		2615
1709	sub cf::object::player::leave_link {	2616	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2617	my ($self, $map, $x, $y) = @_;
		2618
		2619	return unless $self->contr->active;
1711		2620
1712	my $link_pos = delete $self->{_link_pos};	2621	my $link_pos = delete $self->{_link_pos};
1713		2622
1714	unless ($map) {	2623	unless ($map) {
1715	# restore original map position	2624	# restore original map position
…		…
1726	($x, $y) = (-1, -1)	2635	($x, $y) = (-1, -1)
1727	unless (defined $x) && (defined $y);	2636	unless (defined $x) && (defined $y);
1728		2637
1729	# use -1 or undef as default coordinates, not 0, 0	2638	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2639	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2640	if $x <= 0 && $y <= 0;
1732		2641
1733	$map->load;	2642	$map->load;
1734	$map->load_diag;	2643	$map->load_neighbours;
1735		2644
1736	return unless $self->contr->active;	2645	return unless $self->contr->active;
		2646
		2647	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2648	$self->enter_map ($map, $x, $y);
		2649
		2650	# only activate afterwards, to support waiting in hooks
1737	$self->activate_recursive;	2651	$self->activate_recursive;
1738	$self->enter_map ($map, $x, $y);
1739	}	2652	}
1740		2653
1741	cf::player->attach (	2654	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2655
1745	# abort map switching before logout	2656	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2657	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2658	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2659	the new (success) or old (failed) map position. In either case, $done will
1749	};	2660	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2661
1755	# try to abort aborted map switching on player login :)	2662	Note that $check will be called with a potentially non-loaded map, so if
1756	# should happen only on crashes	2663	it needs a loaded map it has to call C<< ->load >>.
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772		2664
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2665	=cut
		2666
		2667	our $GOTOGEN;
1776		2668
1777	sub cf::object::player::goto {	2669	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2670	my ($self, $path, $x, $y, $check, $done) = @_;
		2671
		2672	# do generation counting so two concurrent goto's will be executed in-order
		2673	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2674
1780	$self->enter_link;	2675	$self->enter_link;
1781		2676
1782	(async {	2677	(async {
1783	my $map = cf::map::find $path;	2678	$Coro::current->{desc} = "player::goto $path $x $y";
		2679
		2680	# *tag paths override both path and x|y
		2681	if ($path =~ /^\*(.*)$/) {
		2682	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2683	my $ob = $obs[rand @obs];
		2684
		2685	# see if we actually can go there
		2686	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2687	$ob = $obs[rand @obs];
		2688	} else {
		2689	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2690	}
		2691	# else put us there anyways for now #d#
		2692
		2693	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2694	} else {
		2695	($path, $x, $y) = (undef, undef, undef);
		2696	}
		2697	}
		2698
		2699	my $map = eval {
		2700	my $map = defined $path ? cf::map::find $path : undef;
		2701
		2702	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2703	$map = $map->customise_for ($self);
1785		2704	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2705	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2706	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2707	}
1790		2708
		2709	$map
		2710	};
		2711
		2712	if ($@) {
		2713	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	LOG llevError | logBacktrace, Carp::longmess $@;
		2715	}
		2716
		2717	if ($gen == $self->{_goto_generation}) {
		2718	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2719	$self->leave_link ($map, $x, $y);
		2720	}
		2721
		2722	$done->() if $done;
1792	})->prio (1);	2723	})->prio (1);
1793	}	2724	}
1794		2725
1795	=item $player_object->enter_exit ($exit_object)	2726	=item $player_object->enter_exit ($exit_object)
1796		2727
…		…
1798		2729
1799	sub parse_random_map_params {	2730	sub parse_random_map_params {
1800	my ($spec) = @_;	2731	my ($spec) = @_;
1801		2732
1802	my $rmp = { # defaults	2733	my $rmp = { # defaults
1803	xsize => 10,	2734	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2735	ysize => (cf::rndm 15, 40),
		2736	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2737	#layout => string,
1805	};	2738	};
1806		2739
1807	for (split /\n/, $spec) {	2740	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2741	my ($k, $v) = split /\s+/, $_, 2;
1809		2742
…		…
1821	# that depends on the exit object	2754	# that depends on the exit object
1822		2755
1823	my $rmp = parse_random_map_params $exit->msg;	2756	my $rmp = parse_random_map_params $exit->msg;
1824		2757
1825	if ($exit->map) {	2758	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2759	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2760	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2761	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2762	$rmp->{origin_y} = $exit->y;
		2763
		2764	$exit->map->touch;
1830	}	2765	}
1831		2766
1832	$rmp->{random_seed} ||= $exit->random_seed;	2767	$rmp->{random_seed} ||= $exit->random_seed;
1833		2768
1834	my $data = cf::to_json $rmp;	2769	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1835	my $md5 = Digest::MD5::md5_hex $data;	2770	my $md5 = Digest::MD5::md5_hex $data;
		2771	my $meta = "$RANDOMDIR/$md5.meta";
1836		2772
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2773	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2774	aio_write $fh, 0, (length $data), $data, 0;
		2775	undef $fh;
		2776	aio_rename "$meta~", $meta;
1839		2777
		2778	my $slaying = "?random/$md5";
		2779
		2780	if ($exit->valid) {
1840	$exit->slaying ("?random/$md5");	2781	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2782	$exit->msg (undef);
		2783	}
1842	}	2784	}
1843	}	2785	}
1844		2786
1845	sub cf::object::player::enter_exit {	2787	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2788	my ($self, $exit) = @_;
…		…
1848	return unless $self->type == cf::PLAYER;	2790	return unless $self->type == cf::PLAYER;
1849		2791
1850	$self->enter_link;	2792	$self->enter_link;
1851		2793
1852	(async {	2794	(async {
1853	$self->deactivate_recursive; # just to be sure	2795	$Coro::current->{desc} = "enter_exit";
		2796
1854	unless (eval {	2797	unless (eval {
		2798	$self->deactivate_recursive; # just to be sure
		2799
		2800	# random map handling
		2801	{
		2802	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2803
1855	prepare_random_map $exit	2804	prepare_random_map $exit
1856	if $exit->slaying eq "/!";	2805	if $exit->slaying eq "/!";
		2806	}
1857		2807
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2808	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2809	my $x = $exit->stats->hp;
		2810	my $y = $exit->stats->sp;
1860		2811
		2812	$self->goto ($map, $x, $y);
		2813
		2814	# if exit is damned, update players death & WoR home-position
		2815	$self->contr->savebed ($map, $x, $y)
		2816	if $exit->flag (cf::FLAG_DAMNED);
		2817
1861	1;	2818	1
1862	}) {	2819	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2820	$self->message ("Something went wrong deep within the deliantra server. "
1864	. "I'll try to bring you back to the map you were before. "	2821	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2822	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2823	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2824
1868	warn "ERROR in enter_exit: $@";	2825	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2826	$self->leave_link;
1870	}	2827	}
1871	})->prio (1);	2828	})->prio (1);
…		…
1884		2841
1885	sub cf::client::send_drawinfo {	2842	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2843	my ($self, $text, $flags) = @_;
1887		2844
1888	utf8::encode $text;	2845	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2846	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2847	}
1891		2848
		2849	=item $client->send_big_packet ($pkt)
		2850
		2851	Like C<send_packet>, but tries to compress large packets, and fragments
		2852	them as required.
		2853
		2854	=cut
		2855
		2856	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2857
		2858	sub cf::client::send_big_packet {
		2859	my ($self, $pkt) = @_;
		2860
		2861	# try lzf for large packets
		2862	$pkt = "lzf " . Compress::LZF::compress $pkt
		2863	if 1024 <= length $pkt and $self->{can_lzf};
		2864
		2865	# split very large packets
		2866	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2867	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2868	$pkt = "frag";
		2869	}
		2870
		2871	$self->send_packet ($pkt);
		2872	}
		2873
		2874	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2875
		2876	Send a drawinfo or msg packet to the client, formatting the msg for the
		2877	client if neccessary. C<$type> should be a string identifying the type of
		2878	the message, with C<log> being the default. If C<$color> is negative, suppress
		2879	the message unless the client supports the msg packet.
		2880
		2881	=cut
		2882
		2883	# non-persistent channels (usually the info channel)
		2884	our %CHANNEL = (
		2885	"c/motd" => {
		2886	id => "infobox",
		2887	title => "MOTD",
		2888	reply => undef,
		2889	tooltip => "The message of the day",
		2890	},
		2891	"c/identify" => {
		2892	id => "infobox",
		2893	title => "Identify",
		2894	reply => undef,
		2895	tooltip => "Items recently identified",
		2896	},
		2897	"c/examine" => {
		2898	id => "infobox",
		2899	title => "Examine",
		2900	reply => undef,
		2901	tooltip => "Signs and other items you examined",
		2902	},
		2903	"c/shopinfo" => {
		2904	id => "infobox",
		2905	title => "Shop Info",
		2906	reply => undef,
		2907	tooltip => "What your bargaining skill tells you about the shop",
		2908	},
		2909	"c/book" => {
		2910	id => "infobox",
		2911	title => "Book",
		2912	reply => undef,
		2913	tooltip => "The contents of a note or book",
		2914	},
		2915	"c/lookat" => {
		2916	id => "infobox",
		2917	title => "Look",
		2918	reply => undef,
		2919	tooltip => "What you saw there",
		2920	},
		2921	"c/who" => {
		2922	id => "infobox",
		2923	title => "Players",
		2924	reply => undef,
		2925	tooltip => "Shows players who are currently online",
		2926	},
		2927	"c/body" => {
		2928	id => "infobox",
		2929	title => "Body Parts",
		2930	reply => undef,
		2931	tooltip => "Shows which body parts you posess and are available",
		2932	},
		2933	"c/statistics" => {
		2934	id => "infobox",
		2935	title => "Statistics",
		2936	reply => undef,
		2937	tooltip => "Shows your primary statistics",
		2938	},
		2939	"c/skills" => {
		2940	id => "infobox",
		2941	title => "Skills",
		2942	reply => undef,
		2943	tooltip => "Shows your experience per skill and item power",
		2944	},
		2945	"c/shopitems" => {
		2946	id => "infobox",
		2947	title => "Shop Items",
		2948	reply => undef,
		2949	tooltip => "Shows the items currently for sale in this shop",
		2950	},
		2951	"c/resistances" => {
		2952	id => "infobox",
		2953	title => "Resistances",
		2954	reply => undef,
		2955	tooltip => "Shows your resistances",
		2956	},
		2957	"c/pets" => {
		2958	id => "infobox",
		2959	title => "Pets",
		2960	reply => undef,
		2961	tooltip => "Shows information abotu your pets/a specific pet",
		2962	},
		2963	"c/perceiveself" => {
		2964	id => "infobox",
		2965	title => "Perceive Self",
		2966	reply => undef,
		2967	tooltip => "You gained detailed knowledge about yourself",
		2968	},
		2969	"c/uptime" => {
		2970	id => "infobox",
		2971	title => "Uptime",
		2972	reply => undef,
		2973	tooltip => "How long the server has been running since last restart",
		2974	},
		2975	"c/mapinfo" => {
		2976	id => "infobox",
		2977	title => "Map Info",
		2978	reply => undef,
		2979	tooltip => "Information related to the maps",
		2980	},
		2981	"c/party" => {
		2982	id => "party",
		2983	title => "Party",
		2984	reply => "gsay ",
		2985	tooltip => "Messages and chat related to your party",
		2986	},
		2987	"c/death" => {
		2988	id => "death",
		2989	title => "Death",
		2990	reply => undef,
		2991	tooltip => "Reason for and more info about your most recent death",
		2992	},
		2993	"c/say" => $SAY_CHANNEL,
		2994	"c/chat" => $CHAT_CHANNEL,
		2995	);
		2996
		2997	sub cf::client::send_msg {
		2998	my ($self, $channel, $msg, $color, @extra) = @_;
		2999
		3000	$msg = $self->pl->expand_cfpod ($msg)
		3001	unless $color & cf::NDI_VERBATIM;
		3002
		3003	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3004
		3005	# check predefined channels, for the benefit of C
		3006	if ($CHANNEL{$channel}) {
		3007	$channel = $CHANNEL{$channel};
		3008
		3009	$self->ext_msg (channel_info => $channel);
		3010	$channel = $channel->{id};
		3011
		3012	} elsif (ref $channel) {
		3013	# send meta info to client, if not yet sent
		3014	unless (exists $self->{channel}{$channel->{id}}) {
		3015	$self->{channel}{$channel->{id}} = $channel;
		3016	$self->ext_msg (channel_info => $channel);
		3017	}
		3018
		3019	$channel = $channel->{id};
		3020	}
		3021
		3022	return unless @extra || length $msg;
		3023
		3024	# default colour, mask it out
		3025	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3026	if $color & cf::NDI_DEF;
		3027
		3028	my $pkt = "msg "
		3029	. $self->{json_coder}->encode (
		3030	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3031	);
		3032
		3033	$self->send_big_packet ($pkt);
		3034	}
		3035
		3036	=item $client->ext_msg ($type, @msg)
		3037
		3038	Sends an ext event to the client.
		3039
		3040	=cut
		3041
		3042	sub cf::client::ext_msg($$@) {
		3043	my ($self, $type, @msg) = @_;
		3044
		3045	if ($self->extcmd == 2) {
		3046	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3047	} elsif ($self->extcmd == 1) { # TODO: remove
		3048	push @msg, msgtype => "event_$type";
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3050	}
		3051	}
		3052
		3053	=item $client->ext_reply ($msgid, @msg)
		3054
		3055	Sends an ext reply to the client.
		3056
		3057	=cut
		3058
		3059	sub cf::client::ext_reply($$@) {
		3060	my ($self, $id, @msg) = @_;
		3061
		3062	if ($self->extcmd == 2) {
		3063	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3064	} elsif ($self->extcmd == 1) {
		3065	#TODO: version 1, remove
		3066	unshift @msg, msgtype => "reply", msgid => $id;
		3067	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3068	}
		3069	}
1892		3070
1893	=item $success = $client->query ($flags, "text", \&cb)	3071	=item $success = $client->query ($flags, "text", \&cb)
1894		3072
1895	Queues a query to the client, calling the given callback with	3073	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		3076
1899	Queries can fail, so check the return code. Or don't, as queries will become	3077	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	3078	become reliable at some point in the future.
1901		3079
1902	=cut	3080	=cut
1903		3081
1904	sub cf::client::query {	3082	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	3083	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	3091	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		3093
1916	$self->send_packet ($self->{query_queue}[0][0])	3094	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	3095	if @{ $self->{query_queue} } == 1;
		3096
		3097	1
1918	}	3098	}
1919		3099
1920	cf::client->attach (	3100	cf::client->attach (
		3101	on_connect => sub {
		3102	my ($ns) = @_;
		3103
		3104	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3105	},
1921	on_reply => sub {	3106	on_reply => sub {
1922	my ($ns, $msg) = @_;	3107	my ($ns, $msg) = @_;
1923		3108
1924	# this weird shuffling is so that direct followup queries	3109	# this weird shuffling is so that direct followup queries
1925	# get handled first	3110	# get handled first
1926	my $queue = delete $ns->{query_queue}	3111	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	3112	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		3113
1929	(shift @$queue)->[1]->($msg);	3114	(shift @$queue)->[1]->($msg);
		3115	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		3116
1931	push @{ $ns->{query_queue} }, @$queue;	3117	push @{ $ns->{query_queue} }, @$queue;
1932		3118
1933	if (@{ $ns->{query_queue} } == @$queue) {	3119	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	3120	if (@$queue) {
…		…
1936	} else {	3122	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3123	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	3124	}
1939	}	3125	}
1940	},	3126	},
		3127	on_exticmd => sub {
		3128	my ($ns, $buf) = @_;
		3129
		3130	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3131
		3132	if (ref $msg) {
		3133	my ($type, $reply, @payload) =
		3134	"ARRAY" eq ref $msg
		3135	? @$msg
		3136	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3137
		3138	my @reply;
		3139
		3140	if (my $cb = $EXTICMD{$type}) {
		3141	@reply = $cb->($ns, @payload);
		3142	}
		3143
		3144	$ns->ext_reply ($reply, @reply)
		3145	if $reply;
		3146
		3147	} else {
		3148	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3149	}
		3150
		3151	cf::override;
		3152	},
1941	);	3153	);
1942		3154
1943	=item $client->async (\&cb)	3155	=item $client->async (\&cb)
1944		3156
1945	Create a new coroutine, running the specified callback. The coroutine will	3157	Create a new coroutine, running the specified callback. The coroutine will
…		…
1961		3173
1962	$coro	3174	$coro
1963	}	3175	}
1964		3176
1965	cf::client->attach (	3177	cf::client->attach (
1966	on_destroy => sub {	3178	on_client_destroy => sub {
1967	my ($ns) = @_;	3179	my ($ns) = @_;
1968		3180
1969	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3181	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1970	},	3182	},
1971	);	3183	);
…		…
1986	our $safe = new Safe "safe";	3198	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3199	our $safe_hole = new Safe::Hole;
1988		3200
1989	$SIG{FPE} = 'IGNORE';	3201	$SIG{FPE} = 'IGNORE';
1990		3202
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3203	$safe->permit_only (Opcode::opset qw(
		3204	:base_core :base_mem :base_orig :base_math :base_loop
		3205	grepstart grepwhile mapstart mapwhile
		3206	sort time
		3207	));
1992		3208
1993	# here we export the classes and methods available to script code	3209	# here we export the classes and methods available to script code
1994		3210
1995	=pod	3211	=pod
1996		3212
1997	The following fucntions and emthods are available within a safe environment:	3213	The following functions and methods are available within a safe environment:
1998		3214
1999	cf::object contr pay_amount pay_player map	3215	cf::object
		3216	contr pay_amount pay_player map x y force_find force_add destroy
		3217	insert remove name archname title slaying race decrease split
		3218	value
		3219
2000	cf::object::player player	3220	cf::object::player
2001	cf::player peaceful	3221	player
2002	cf::map trigger	3222
		3223	cf::player
		3224	peaceful
		3225
		3226	cf::map
		3227	trigger
2003		3228
2004	=cut	3229	=cut
2005		3230
2006	for (	3231	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3232	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3233	insert remove inv nrof name archname title slaying race
		3234	decrease split destroy change_exp value msg lore send_msg)],
2008	["cf::object::player" => qw(player)],	3235	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3236	["cf::player" => qw(peaceful send_msg)],
2010	["cf::map" => qw(trigger)],	3237	["cf::map" => qw(trigger)],
2011	) {	3238	) {
2012	no strict 'refs';	3239	no strict 'refs';
2013	my ($pkg, @funs) = @$_;	3240	my ($pkg, @funs) = @$_;
2014	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3241	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2032		3259
2033	my $qcode = $code;	3260	my $qcode = $code;
2034	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3261	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2035	$qcode =~ s/\n/\\n/g;	3262	$qcode =~ s/\n/\\n/g;
2036		3263
		3264	%vars = (_dummy => 0) unless %vars;
		3265
		3266	my @res;
2037	local $_;	3267	local $_;
2038	local @safe::cf::_safe_eval_args = values %vars;
2039		3268
2040	my $eval =	3269	my $eval =
2041	"do {\n"	3270	"do {\n"
2042	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3271	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2043	. "#line 0 \"{$qcode}\"\n"	3272	. "#line 0 \"{$qcode}\"\n"
2044	. $code	3273	. $code
2045	. "\n}"	3274	. "\n}"
2046	;	3275	;
2047		3276
		3277	if ($CFG{safe_eval}) {
2048	sub_generation_inc;	3278	sub_generation_inc;
		3279	local @safe::cf::_safe_eval_args = values %vars;
2049	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3280	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2050	sub_generation_inc;	3281	sub_generation_inc;
		3282	} else {
		3283	local @cf::_safe_eval_args = values %vars;
		3284	@res = wantarray ? eval eval : scalar eval $eval;
		3285	}
2051		3286
2052	if ($@) {	3287	if ($@) {
2053	warn "$@";	3288	warn "$@";
2054	warn "while executing safe code '$code'\n";	3289	warn "while executing safe code '$code'\n";
2055	warn "with arguments " . (join " ", %vars) . "\n";	3290	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2074	=cut	3309	=cut
2075		3310
2076	sub register_script_function {	3311	sub register_script_function {
2077	my ($fun, $cb) = @_;	3312	my ($fun, $cb) = @_;
2078		3313
2079	no strict 'refs';	3314	$fun = "safe::$fun" if $CFG{safe_eval};
2080	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3315	*$fun = $safe_hole->wrap ($cb);
2081	}	3316	}
2082		3317
2083	=back	3318	=back
2084		3319
2085	=cut	3320	=cut
2086		3321
2087	#############################################################################	3322	#############################################################################
		3323	# the server's init and main functions
2088		3324
2089	=head2 EXTENSION DATABASE SUPPORT	3325	sub load_facedata($) {
		3326	my ($path) = @_;
2090		3327
2091	Crossfire maintains a very simple database for extension use. It can	3328	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3329	# for this (global event?)
2093	excludes objects.	3330	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3331
2095	The parameter C<$family> should best start with the name of the extension	3332	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3333
2098	=over 4	3334	warn "loading facedata from $path\n";
2099		3335
2100	=item $hashref = cf::db_get $family	3336	my $facedata;
		3337	0 < aio_load $path, $facedata
		3338	or die "$path: $!";
2101		3339
2102	Return a hashref for use by the extension C<$family>, which can be	3340	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3341
2106	=item $value = cf::db_get $family => $key	3342	$facedata->{version} == 2
		3343	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3344
2108	Returns a single value from the database	3345	# patch in the exptable
2109		3346	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2110	=item cf::db_put $family => $hashref	3347	$facedata->{resource}{"res/exp_table"} = {
2111		3348	type => FT_RSRC,
2112	Stores the given family hashref into the database. Updates are delayed, if	3349	data => $exp_table,
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3350	hash => (Digest::MD5::md5 $exp_table),
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3351	};
		3352	cf::cede_to_tick;
2161		3353
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3354	{
		3355	my $faces = $facedata->{faceinfo};
2166		3356
2167	sub db_get($;$) {	3357	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3358	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3359
2173	sub db_put($$;$) {	3360	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3361	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3362	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2176	} else {	3363	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3364
2182	cf::global->attach (	3365	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3366	}
2187	);
2188	}
2189		3367
2190	#############################################################################	3368	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3369	next unless $info->{smooth};
2192		3370
2193	sub cfg_load {	3371	my $idx = cf::face::find $face
		3372	or next;
		3373
		3374	if (my $smooth = cf::face::find $info->{smooth}) {
		3375	cf::face::set_smooth $idx, $smooth;
		3376	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3377	} else {
		3378	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3379	}
		3380
		3381	cf::cede_to_tick;
		3382	}
		3383	}
		3384
		3385	{
		3386	my $anims = $facedata->{animinfo};
		3387
		3388	while (my ($anim, $info) = each %$anims) {
		3389	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3390	cf::cede_to_tick;
		3391	}
		3392
		3393	cf::anim::invalidate_all; # d'oh
		3394	}
		3395
		3396	{
		3397	my $res = $facedata->{resource};
		3398
		3399	while (my ($name, $info) = each %$res) {
		3400	if (defined $info->{type}) {
		3401	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3402
		3403	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3404	cf::face::set_type $idx, $info->{type};
		3405	} else {
		3406	$RESOURCE{$name} = $info;
		3407	}
		3408
		3409	cf::cede_to_tick;
		3410	}
		3411	}
		3412
		3413	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3414
		3415	1
		3416	}
		3417
		3418	cf::global->attach (on_resource_update => sub {
		3419	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3420	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3421
		3422	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3423	my $sound = $soundconf->{compat}[$_]
		3424	or next;
		3425
		3426	my $face = cf::face::find "sound/$sound->[1]";
		3427	cf::sound::set $sound->[0] => $face;
		3428	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3429	}
		3430
		3431	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3432	my $face = cf::face::find "sound/$v";
		3433	cf::sound::set $k => $face;
		3434	}
		3435	}
		3436	});
		3437
		3438	register_exticmd fx_want => sub {
		3439	my ($ns, $want) = @_;
		3440
		3441	while (my ($k, $v) = each %$want) {
		3442	$ns->fx_want ($k, $v);
		3443	}
		3444	};
		3445
		3446	sub load_resource_file($) {
		3447	my $guard = lock_acquire "load_resource_file";
		3448
		3449	my $status = load_resource_file_ $_[0];
		3450	get_slot 0.1, 100;
		3451	cf::arch::commit_load;
		3452
		3453	$status
		3454	}
		3455
		3456	sub reload_regions {
		3457	# HACK to clear player env face cache, we need some signal framework
		3458	# for this (global event?)
		3459	%ext::player_env::MUSIC_FACE_CACHE = ();
		3460
		3461	load_resource_file "$MAPDIR/regions"
		3462	or die "unable to load regions file\n";
		3463
		3464	for (cf::region::list) {
		3465	$_->{match} = qr/$_->{match}/
		3466	if exists $_->{match};
		3467	}
		3468	}
		3469
		3470	sub reload_facedata {
		3471	load_facedata "$DATADIR/facedata"
		3472	or die "unable to load facedata\n";
		3473	}
		3474
		3475	sub reload_archetypes {
		3476	load_resource_file "$DATADIR/archetypes"
		3477	or die "unable to load archetypes\n";
		3478	}
		3479
		3480	sub reload_treasures {
		3481	load_resource_file "$DATADIR/treasures"
		3482	or die "unable to load treasurelists\n";
		3483	}
		3484
		3485	sub reload_resources {
		3486	warn "reloading resource files...\n";
		3487
		3488	reload_facedata;
		3489	reload_archetypes;
		3490	reload_regions;
		3491	reload_treasures;
		3492
		3493	warn "finished reloading resource files\n";
		3494	}
		3495
		3496	sub reload_config {
		3497	warn "reloading config file...\n";
		3498
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3499	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3500	or return;
2196		3501
2197	local $/;	3502	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3503	*CFG = YAML::XS::Load scalar <$fh>;
2199		3504
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3505	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3506
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3507	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3508	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2207	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3512	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2208	and die "WARNING: m(un)lockall failed: $!\n";	3513	and die "WARNING: m(un)lockall failed: $!\n";
2209	};	3514	};
2210	warn $@ if $@;	3515	warn $@ if $@;
2211	}	3516	}
		3517
		3518	warn "finished reloading resource files\n";
		3519	}
		3520
		3521	sub pidfile() {
		3522	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3523	or die "$PIDFILE: $!";
		3524	flock $fh, &Fcntl::LOCK_EX
		3525	or die "$PIDFILE: flock: $!";
		3526	$fh
		3527	}
		3528
		3529	# make sure only one server instance is running at any one time
		3530	sub atomic {
		3531	my $fh = pidfile;
		3532
		3533	my $pid = <$fh>;
		3534	kill 9, $pid if $pid > 0;
		3535
		3536	seek $fh, 0, 0;
		3537	print $fh $$;
		3538	}
		3539
		3540	sub main_loop {
		3541	warn "EV::loop starting\n";
		3542	if (1) {
		3543	EV::loop;
		3544	}
		3545	warn "EV::loop returned\n";
		3546	goto &main_loop unless $REALLY_UNLOOP;
2212	}	3547	}
2213		3548
2214	sub main {	3549	sub main {
		3550	cf::init_globals; # initialise logging
		3551
		3552	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3553	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3554	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3555	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3556
		3557	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3558
2215	# we must not ever block the main coroutine	3559	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3560	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3561	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3562	(async {
		3563	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3564	EV::loop EV::LOOP_ONESHOT;
		3565	})->prio (Coro::PRIO_MAX);
2219	};	3566	};
2220		3567
2221	cfg_load;	3568	evthread_start IO::AIO::poll_fileno;
2222	db_load;	3569
		3570	cf::sync_job {
		3571	cf::init_experience;
		3572	cf::init_anim;
		3573	cf::init_attackmess;
		3574	cf::init_dynamic;
		3575
		3576	cf::load_settings;
		3577	cf::load_materials;
		3578
		3579	reload_resources;
		3580	reload_config;
		3581	db_init;
		3582
		3583	cf::init_uuid;
		3584	cf::init_signals;
		3585	cf::init_skills;
		3586
		3587	cf::init_beforeplay;
		3588
		3589	atomic;
		3590
2223	load_extensions;	3591	load_extensions;
2224	Event::loop;	3592
		3593	utime time, time, $RUNTIMEFILE;
		3594
		3595	# no (long-running) fork's whatsoever before this point(!)
		3596	use POSIX ();
		3597	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3598
		3599	(pop @POST_INIT)->(0) while @POST_INIT;
		3600	};
		3601
		3602	cf::object::thawer::errors_are_fatal 0;
		3603	warn "parse errors in files are no longer fatal from this point on.\n";
		3604
		3605	main_loop;
2225	}	3606	}
2226		3607
2227	#############################################################################	3608	#############################################################################
2228	# initialisation and cleanup	3609	# initialisation and cleanup
2229		3610
2230	# install some emergency cleanup handlers	3611	# install some emergency cleanup handlers
2231	BEGIN {	3612	BEGIN {
		3613	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3614	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3615	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3616	cf::cleanup "SIG$signal";
2238	},
2239	);	3617	};
		3618	}
		3619	}
		3620
		3621	sub write_runtime_sync {
		3622	my $t0 = AE::time;
		3623
		3624	# first touch the runtime file to show we are still running:
		3625	# the fsync below can take a very very long time.
		3626
		3627	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3628
		3629	my $guard = cf::lock_acquire "write_runtime";
		3630
		3631	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3632	or return;
		3633
		3634	my $value = $cf::RUNTIME + 90 + 10;
		3635	# 10 is the runtime save interval, for a monotonic clock
		3636	# 60 allows for the watchdog to kill the server.
		3637
		3638	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3639	and return;
		3640
		3641	# always fsync - this file is important
		3642	aio_fsync $fh
		3643	and return;
		3644
		3645	# touch it again to show we are up-to-date
		3646	aio_utime $fh, undef, undef;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3652	and return;
		3653
		3654	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3655
2240	}	3656	1
		3657	}
		3658
		3659	our $uuid_lock;
		3660	our $uuid_skip;
		3661
		3662	sub write_uuid_sync($) {
		3663	$uuid_skip ||= $_[0];
		3664
		3665	return if $uuid_lock;
		3666	local $uuid_lock = 1;
		3667
		3668	my $uuid = "$LOCALDIR/uuid";
		3669
		3670	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3671	or return;
		3672
		3673	my $value = uuid_seq uuid_cur;
		3674
		3675	unless ($value) {
		3676	warn "cowardly refusing to write zero uuid value!\n";
		3677	return;
		3678	}
		3679
		3680	my $value = uuid_str $value + $uuid_skip;
		3681	$uuid_skip = 0;
		3682
		3683	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3684	and return;
		3685
		3686	# always fsync - this file is important
		3687	aio_fsync $fh
		3688	and return;
		3689
		3690	close $fh
		3691	or return;
		3692
		3693	aio_rename "$uuid~", $uuid
		3694	and return;
		3695
		3696	warn "uuid file written ($value).\n";
		3697
		3698	1
		3699
		3700	}
		3701
		3702	sub write_uuid($$) {
		3703	my ($skip, $sync) = @_;
		3704
		3705	$sync ? write_uuid_sync $skip
		3706	: async { write_uuid_sync $skip };
2241	}	3707	}
2242		3708
2243	sub emergency_save() {	3709	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3710	my $freeze_guard = cf::freeze_mainloop;
2245		3711
2246	warn "enter emergency perl save\n";	3712	warn "emergency_perl_save: enter\n";
2247		3713
2248	cf::sync_job {	3714	cf::sync_job {
		3715	# this is a trade-off: we want to be very quick here, so
		3716	# save all maps without fsync, and later call a global sync
		3717	# (which in turn might be very very slow)
		3718	local $USE_FSYNC = 0;
		3719
2249	# use a peculiar iteration method to avoid tripping on perl	3720	# use a peculiar iteration method to avoid tripping on perl
2250	# refcount bugs in for. also avoids problems with players	3721	# refcount bugs in for. also avoids problems with players
2251	# and maps saved/destroyed asynchronously.	3722	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3723	warn "emergency_perl_save: begin player save\n";
2253	for my $login (keys %cf::PLAYER) {	3724	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3725	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3726	$pl->valid or next;
		3727	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3728	$pl->save;
2257	}	3729	}
2258	warn "end emergency player save\n";	3730	warn "emergency_perl_save: end player save\n";
2259		3731
2260	warn "begin emergency map save\n";	3732	warn "emergency_perl_save: begin map save\n";
2261	for my $path (keys %cf::MAP) {	3733	for my $path (keys %cf::MAP) {
2262	my $map = $cf::MAP{$path} or next;	3734	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3735	$map->valid or next;
2264	$map->save;	3736	$map->save;
2265	}	3737	}
2266	warn "end emergency map save\n";	3738	warn "emergency_perl_save: end map save\n";
		3739
		3740	warn "emergency_perl_save: begin database checkpoint\n";
		3741	BDB::db_env_txn_checkpoint $DB_ENV;
		3742	warn "emergency_perl_save: end database checkpoint\n";
		3743
		3744	warn "emergency_perl_save: begin write uuid\n";
		3745	write_uuid_sync 1;
		3746	warn "emergency_perl_save: end write uuid\n";
2267	};	3747	};
2268		3748
		3749	warn "emergency_perl_save: starting sync()\n";
		3750	IO::AIO::aio_sync sub {
		3751	warn "emergency_perl_save: finished sync()\n";
		3752	};
		3753
2269	warn "leave emergency perl save\n";	3754	warn "emergency_perl_save: leave\n";
2270	}	3755	}
2271		3756
		3757	sub post_cleanup {
		3758	my ($make_core) = @_;
		3759
		3760	warn Carp::longmess "post_cleanup backtrace"
		3761	if $make_core;
		3762
		3763	my $fh = pidfile;
		3764	unlink $PIDFILE if <$fh> == $$;
		3765	}
		3766
		3767	# a safer delete_package, copied from Symbol
		3768	sub clear_package($) {
		3769	my $pkg = shift;
		3770
		3771	# expand to full symbol table name if needed
		3772	unless ($pkg =~ /^main::.*::$/) {
		3773	$pkg = "main$pkg" if $pkg =~ /^::/;
		3774	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3775	$pkg .= '::' unless $pkg =~ /::$/;
		3776	}
		3777
		3778	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3779	my $stem_symtab = *{$stem}{HASH};
		3780
		3781	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3782	or return;
		3783
		3784	# clear all symbols
		3785	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3786	for my $name (keys %$leaf_symtab) {
		3787	_gv_clear *{"$pkg$name"};
		3788	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3789	}
		3790	}
		3791
2272	sub reload() {	3792	sub do_reload_perl() {
2273	# can/must only be called in main	3793	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3794	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3795	warn "can only reload from main coroutine";
2276	return;	3796	return;
2277	}	3797	}
2278		3798
		3799	return if $RELOAD++;
		3800
		3801	my $t1 = AE::time;
		3802
		3803	while ($RELOAD) {
2279	warn "reloading...";	3804	warn "reloading...";
2280		3805
2281	warn "freezing server";	3806	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3807
		3808	cf::sync_job {
		3809	cf::write_runtime_sync; # external watchdog should not bark
2283	cf::emergency_save;	3810	cf::emergency_save;
		3811	cf::write_runtime_sync; # external watchdog should not bark
2284		3812
2285	warn "sync database to disk";	3813	warn "syncing database to disk";
2286	cf::db_sync;	3814	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3815
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3816	# if anything goes wrong in here, we should simply crash as we already saved
2291		3817
2292	warn "cancel all watchers";	3818	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3819	while (IO::AIO::nreqs || BDB::nreqs) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3820	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2295	}
2296
2297	warn "cancel all extension coros";
2298	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();
2300
2301	warn "remove commands";
2302	%COMMAND = ();
2303
2304	warn "remove ext commands";
2305	%EXTCMD = ();
2306
2307	warn "unload/nuke all extensions";
2308	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";
2310
2311	if (my $cb = $pkg->can ("unload")) {
2312	eval {
2313	$cb->($pkg);
2314	1
2315	} or warn "$pkg unloaded, but with errors: $@";
2316	}	3821	}
2317		3822
		3823	warn "cancelling all extension coros";
		3824	$_->cancel for values %EXT_CORO;
		3825	%EXT_CORO = ();
		3826
		3827	warn "removing commands";
		3828	%COMMAND = ();
		3829
		3830	warn "removing ext/exti commands";
		3831	%EXTCMD = ();
		3832	%EXTICMD = ();
		3833
		3834	warn "unloading/nuking all extensions";
		3835	for my $pkg (@EXTS) {
2318	warn "... nuking $pkg";	3836	warn "... unloading $pkg";
2319	Symbol::delete_package $pkg;
2320	}
2321		3837
2322	warn "unload all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325
2326	warn "removing <$k>";
2327	delete $INC{$k};
2328
2329	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;
2331
2332	if (my $cb = $k->can ("unload_module")) {	3838	if (my $cb = $pkg->can ("unload")) {
		3839	eval {
2333	$cb->();	3840	$cb->($pkg);
		3841	1
		3842	} or warn "$pkg unloaded, but with errors: $@";
		3843	}
		3844
		3845	warn "... clearing $pkg";
		3846	clear_package $pkg;
2334	}	3847	}
2335		3848
2336	Symbol::delete_package $k;	3849	warn "unloading all perl modules loaded from $LIBDIR";
		3850	while (my ($k, $v) = each %INC) {
		3851	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3852
		3853	warn "... unloading $k";
		3854	delete $INC{$k};
		3855
		3856	$k =~ s/\.pm$//;
		3857	$k =~ s/\//::/g;
		3858
		3859	if (my $cb = $k->can ("unload_module")) {
		3860	$cb->();
		3861	}
		3862
		3863	clear_package $k;
2337	}	3864	}
2338		3865
2339	warn "get rid of safe::, as good as possible";	3866	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3867	clear_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3868	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3869
2343	warn "unload cf.pm \"a bit\"";	3870	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3871	delete $INC{"cf.pm"};
		3872	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2345		3873
2346	# don't, removes xs symbols, too,	3874	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3875	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3876	#clear_package __PACKAGE__;
2349		3877
		3878	warn "unload completed, starting to reload now";
		3879
2350	warn "reloading cf.pm";	3880	warn "reloading cf.pm";
2351	require cf;	3881	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3882	cf::_connect_to_perl_1;
2353		3883
2354	warn "load config and database again";	3884	warn "loading config and database again";
2355	cf::cfg_load;	3885	cf::reload_config;
2356	cf::db_load;
2357		3886
2358	warn "load extensions";	3887	warn "loading extensions";
2359	cf::load_extensions;	3888	cf::load_extensions;
2360		3889
		3890	if ($REATTACH_ON_RELOAD) {
2361	warn "reattach attachments to objects/players";	3891	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3892	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3893	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3894	reattach $_ for values %MAP;
		3895	warn "reattaching attachments to players";
		3896	reattach $_ for values %PLAYER;
		3897	}
		3898
		3899	warn "running post_init jobs";
		3900	(pop @POST_INIT)->(1) while @POST_INIT;
		3901
		3902	warn "leaving sync_job";
		3903
		3904	1
		3905	} or do {
		3906	warn $@;
		3907	cf::cleanup "error while reloading, exiting.";
		3908	};
		3909
		3910	warn "reloaded";
		3911	--$RELOAD;
		3912	}
		3913
		3914	$t1 = AE::time - $t1;
		3915	warn "reload completed in ${t1}s\n";
		3916	};
		3917
		3918	our $RELOAD_WATCHER; # used only during reload
		3919
		3920	sub reload_perl() {
		3921	# doing reload synchronously and two reloads happen back-to-back,
		3922	# coro crashes during coro_state_free->destroy here.
		3923
		3924	$RELOAD_WATCHER ||= cf::async {
		3925	Coro::AIO::aio_wait cache_extensions;
		3926
		3927	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3928	do_reload_perl;
		3929	undef $RELOAD_WATCHER;
		3930	};
2365	};	3931	};
2366		3932	}
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372
2373	warn "reloaded";
2374	};
2375		3933
2376	register_command "reload" => sub {	3934	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3935	my ($who, $arg) = @_;
2378		3936
2379	if ($who->flag (FLAG_WIZ)) {	3937	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3938	$who->message ("reloading server.");
		3939	async {
		3940	$Coro::current->{desc} = "perl_reload";
		3941	reload_perl;
		3942	};
2383	}	3943	}
2384	};	3944	};
2385		3945
2386	unshift @INC, $LIBDIR;	3946	unshift @INC, $LIBDIR;
2387		3947
2388	$TICK_WATCHER = Event->timer (	3948	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3949
		3950	our @WAIT_FOR_TICK;
		3951	our @WAIT_FOR_TICK_BEGIN;
		3952
		3953	sub wait_for_tick {
		3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3955
		3956	my $signal = new Coro::Signal;
		3957	push @WAIT_FOR_TICK, $signal;
		3958	$signal->wait;
		3959	}
		3960
		3961	sub wait_for_tick_begin {
		3962	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3963
		3964	my $signal = new Coro::Signal;
		3965	push @WAIT_FOR_TICK_BEGIN, $signal;
		3966	$signal->wait;
		3967	}
		3968
		3969	sub tick {
		3970	if ($Coro::current != $Coro::main) {
		3971	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3972	unless ++$bug_warning > 10;
		3973	return;
		3974	}
		3975
2396	cf::server_tick; # one server iteration	3976	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		3977
2400	$WAIT_FOR_TICK->broadcast;	3978	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2402		3979
2403	# if we are delayed by four ticks or more, skip them all	3980	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3981	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2405		3982	Coro::async_pool {
2406	$TICK_WATCHER->at ($NEXT_TICK);	3983	$Coro::current->{desc} = "runtime saver";
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3984	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	3985	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3986	};
2430	},	3987	}
2431	);	3988
		3989	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3990	$sig->send;
		3991	}
		3992	while (my $sig = shift @WAIT_FOR_TICK) {
		3993	$sig->send;
		3994	}
		3995
		3996	$LOAD = ($NOW - $TICK_START) / $TICK;
		3997	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3998
		3999	if (0) {
		4000	if ($NEXT_TICK) {
		4001	my $jitter = $TICK_START - $NEXT_TICK;
		4002	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4003	warn "jitter $JITTER\n";#d#
		4004	}
		4005	}
		4006	}
		4007
		4008	{
		4009	# configure BDB
		4010
		4011	BDB::min_parallel 16;
		4012	BDB::max_poll_reqs $TICK * 0.1;
		4013	$AnyEvent::BDB::WATCHER->priority (1);
		4014
		4015	unless ($DB_ENV) {
		4016	$DB_ENV = BDB::db_env_create;
		4017	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4018	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4019	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4020	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4021	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4022
		4023	cf::sync_job {
		4024	eval {
		4025	BDB::db_env_open
		4026	$DB_ENV,
		4027	$BDBDIR,
		4028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4030	0666;
		4031
		4032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4033	};
		4034
		4035	cf::cleanup "db_env_open(db): $@" if $@;
		4036	};
		4037	}
		4038
		4039	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4040	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4041	};
		4042	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4043	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4044	};
		4045	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4046	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4047	};
		4048	}
		4049
		4050	{
		4051	# configure IO::AIO
		4052
		4053	IO::AIO::min_parallel 8;
		4054	IO::AIO::max_poll_time $TICK * 0.1;
		4055	undef $AnyEvent::AIO::WATCHER;
		4056	}
		4057
		4058	my $_log_backtrace;
		4059
		4060	sub _log_backtrace {
		4061	my ($msg, @addr) = @_;
		4062
		4063	$msg =~ s/\n//;
		4064
		4065	# limit the # of concurrent backtraces
		4066	if ($_log_backtrace < 2) {
		4067	++$_log_backtrace;
		4068	my $perl_bt = Carp::longmess $msg;
		4069	async {
		4070	$Coro::current->{desc} = "abt $msg";
		4071
		4072	my @bt = fork_call {
		4073	@addr = map { sprintf "%x", $_ } @addr;
		4074	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4075	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4076	or die "addr2line: $!";
		4077
		4078	my @funcs;
		4079	my @res = <$fh>;
		4080	chomp for @res;
		4081	while (@res) {
		4082	my ($func, $line) = splice @res, 0, 2, ();
		4083	push @funcs, "[$func] $line";
		4084	}
		4085
		4086	@funcs
		4087	};
		4088
		4089	LOG llevInfo, "[ABT] $perl_bt\n";
		4090	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4091	LOG llevInfo, "[ABT] $_\n" for @bt;
		4092	--$_log_backtrace;
		4093	};
		4094	} else {
		4095	LOG llevInfo, "[ABT] $msg\n";
		4096	LOG llevInfo, "[ABT] [suppressed]\n";
		4097	}
		4098	}
		4099
		4100	# load additional modules
		4101	require "cf/$_.pm" for @EXTRA_MODULES;
		4102	cf::_connect_to_perl_2;
2432		4103
2433	END { cf::emergency_save }	4104	END { cf::emergency_save }
2434		4105
2435	1	4106	1
2436		4107

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