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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.170 by root, Sun Jan 14 02:00:37 2007 UTC vs.
Revision 1.510 by root, Tue Apr 6 22:59:28 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 $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	115	our $NEXT_TICK;
52	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
53		124
54	our %CFG;	125	our %CFG;
55		126
56	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
58		130
59	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	133	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		134
67	# used to convert map paths into valid unix filenames by replacing / by ∕	135	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
		147
70	binmode STDOUT;	148	binmode STDOUT;
71	binmode STDERR;	149	binmode STDERR;
72		150
73	# read virtual server time, if available	151	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
78	}	156	}
79		157
80	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	159
82	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		162
86	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		177
88	#############################################################################	178	#############################################################################
89		179
90	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
91		181
…		…
98	=item $cf::RUNTIME	188	=item $cf::RUNTIME
99		189
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	191	every server tick.
102		192
103	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		196
105	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
107		201
108	=item $cf::NOW	202	=item $cf::NOW
109		203
110	The time of the last (current) server tick.	204	The time of the last (current) server tick.
111		205
112	=item $cf::TICK	206	=item $cf::TICK
113		207
114	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
115		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
116	=item %cf::CFG	220	=item %cf::CFG
117		221
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	223	from wherever your confdir points to.
120		224
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		226
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	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	228	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	229	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.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
127		242
128	=back	243	=back
129		244
130	=cut	245	=cut
131		246
132	BEGIN {	247	$Coro::State::WARNHOOK = sub {
133	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	248	my $msg = join "", @_;
135	utf8::encode $msg;
136		249
137	$msg .= "\n"	250	$msg .= "\n"
138	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
139		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
140	LOG llevError, $msg;	255	LOG llevError, $msg;
141	};	256	};
142	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
143		271
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		279
151	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	281	# within the Safe compartment.
153	for my $pkg (qw(	282	for my $pkg (qw(
154	cf::global cf::attachable	283	cf::global cf::attachable
155	cf::object cf::object::player	284	cf::object cf::object::player
156	cf::client cf::player	285	cf::client cf::player
157	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
158	cf::map cf::party cf::region	288	cf::party cf::region
159	)) {	289	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	291	}
163		292
164	$Event::DIED = sub {	293	$EV::DIED = sub {
165	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
166	};	295	};
		296
		297	#############################################################################
167		298
168	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
169		300
170	=over 4	301	=over 4
171		302
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	322	$d
192	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
193	}	324	}
194		325
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
198		327
199	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
200		329
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
209		331
210	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
211		333
212	=cut	334	=cut
213		335
214	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
216	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
217	}	353	}
218		354
219	=item cf::lock_wait $string	355	=item cf::lock_wait $string
220		356
221	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
222		358
223	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
224		360
225	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
228	returned.	364	returned.
229		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
230	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
232		371
233	=cut	372	=item $locked = cf::lock_active $string
234		373
235	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
236		379
237	sub lock_wait($) {	380	sub lock_wait($) {
238	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	382	}
246		383
247	sub lock_acquire($) {	384	sub lock_acquire($) {
248	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
249		387
250	# wait, to be sure we are not locked	388	sub lock_active($) {
251	lock_wait $key;	389	$LOCKS->count ($_[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	}	390	}
260		391
261	sub freeze_mainloop {	392	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
263		394
264	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	396	}
266	$WRITE_RUNTIME_WATCHER->start;	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
267	};	462	}
268	$WRITE_RUNTIME_WATCHER->stop;	463	};
269	$TICK_WATCHER->stop;	464
270	$guard	465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
271	}	478	}
272		479
273	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
274		481
275	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		487
281	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
282		489
283	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
284		491
285	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
288		496
289	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
292	fast or be very important.	500	fast or be very important.
…		…
295		503
296	sub sync_job(&) {	504	sub sync_job(&) {
297	my ($job) = @_;	505	my ($job) = @_;
298		506
299	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
300	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
302		512
303	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	514
305	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
306		516
307	my $busy = 1;	517	my $busy = 1;
308	my @res;	518	my @res;
309		519
310	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	522	@res = eval { $job->() };
312	warn $@ if $@;	523	warn $@ if $@;
313	undef $busy;	524	undef $busy;
314	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
315		526
316	while ($busy) {	527	while ($busy) {
317	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
318	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
319		538
320	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
321	} else {	540	} else {
322	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
323		542
…		…
343	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
344		563
345	$coro	564	$coro
346	}	565	}
347		566
348	sub write_runtime {	567	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		568
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
352	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
353		573
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		575
358	aio_fsync $fh	576	sub fork_call(&@) {
359	and return;	577	my ($cb, @args) = @_;
360		578
361	close $fh	579	# we seemingly have to make a local copy of the whole thing,
362	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
363		582
364	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
365	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
366		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
367	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	754	}
369		755
370	=back	756	=back
371		757
372	=cut	758	=cut
373		759
374	#############################################################################	760	#############################################################################
375		761
376	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
377		763
378	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
381		767
382	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	770	Deliantra).
385		771
386	=over 4	772	=over 4
387		773
388	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
389		775
…		…
433	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
434		820
435	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
437		823
438	Some classes such as crossfire maps and objects can specify attachments	824	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.	825	that are attached at load/instantiate time, thus the need for a name.
440		826
441	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
442		828
443	=over 4	829	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
553		939
554	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		944
559	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	946	my $pkg = shift @arg;
561		947
562	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
592	}	978	}
593		979
594	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
595	} else {	981	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	983	}
598		984
599	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
600	}	986	}
601		987
…		…
603	if (ref $_[0]) {	989	if (ref $_[0]) {
604	_object_attach @_;	990	_object_attach @_;
605	} else {	991	} else {
606	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
607	}	993	}
		994	_recalc_want;
608	};	995	};
609		996
610	# all those should be optimised	997	# all those should be optimised
611	sub cf::attachable::detach {	998	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1003	reattach ($obj);
617	} else {	1004	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
619	}	1006	}
		1007	_recalc_want;
620	};	1008	};
621		1009
622	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
624		1012
…		…
639	";	1027	";
640	die if $@;	1028	die if $@;
641	}	1029	}
642		1030
643	our $override;	1031	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1033
646	sub override {	1034	sub override {
647	$override = 1;	1035	$override = 1;
648	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
649	}	1037	}
650		1038
651	sub do_invoke {	1039	sub do_invoke {
652	my $event = shift;	1040	my $event = shift;
653	my $callbacks = shift;	1041	my $callbacks = shift;
654		1042
655	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
656		1044
657	local $override;	1045	local $override;
658		1046
659	for (@$callbacks) {	1047	for (@$callbacks) {
660	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
669	}	1057	}
670		1058
671	0	1059	0
672	}	1060	}
673		1061
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1063
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1065
678	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
679		1067
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1071
684	=back	1072	=back
685		1073
686	=cut	1074	=cut
687		1075
688	#############################################################################	1076	#############################################################################
689	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
690		1120
691	sub reattach {	1121	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1123	my ($obj) = @_;
694		1124
		1125	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1127
697	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
698		1129
699	@$registry = ();	1130	@$registry = ();
700		1131
…		…
715	cf::attachable->attach (	1146	cf::attachable->attach (
716	prio => -1000000,	1147	prio => -1000000,
717	on_instantiate => sub {	1148	on_instantiate => sub {
718	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
719		1150
720	$data = from_json $data;	1151	$data = decode_json $data;
721		1152
722	for (@$data) {	1153	for (@$data) {
723	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
724		1155
725	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1172	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
743		1174
744	sync_job {	1175	sync_job {
745	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
748		1180
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
753	close $fh;	1188	aio_close $fh;
754		1189
755	if (@$objs) {	1190	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
761	close $fh;	1199	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
763	}	1201	}
764	} else {	1202	} else {
765	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
766	}	1204	}
767		1205
768	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1210	} else {
770	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
771	}	1212	}
772	} else {	1213	} else {
773	aio_unlink $filename;	1214	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
775	}	1216	}
776	}	1217	};
777	}	1218	}
778		1219
779	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
781		1222
…		…
793	or return;	1234	or return;
794		1235
795	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
797	or return;	1238	or return;
		1239
798	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
799	}	1242	}
800		1243
		1244	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
803	return ($data, $av);	1248	($data, $av)
804	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
805		1256
806	#############################################################################	1257	#############################################################################
807	# command handling &c	1258	# command handling &c
808		1259
809	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1274	}
824		1275
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1277
827	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
828		1283
829	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
830	called.	1285	called.
831		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
832	=cut	1298	=cut
833		1299
834	sub register_extcmd {	1300	sub register_extcmd {
835	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
836		1302
837	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
838	}	1304	}
839		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
		1313
840	cf::player->attach (	1314	cf::player->attach (
841	on_command => sub {	1315	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
843		1317
844	my $cb = $COMMAND{$name}	1318	my $cb = $COMMAND{$name}
845	or return;	1319	or return;
846		1320
…		…
851	cf::override;	1325	cf::override;
852	},	1326	},
853	on_extcmd => sub {	1327	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
855		1329
856	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1331
858	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
864	} else {	1347	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1349	}
867		1350
868	cf::override;	1351	cf::override;
869	},	1352	},
870	);	1353	);
871		1354
		1355	# "readahead" all extensions
872	sub load_extension {	1356	sub cache_extensions {
873	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
874		1358
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1362	}
900	die $@;
901	}	1363	};
902		1364
903	push @EXTS, $pkg;	1365	$grp
904	}	1366	}
905		1367
906	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
907	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1373	next unless -r $path;
909	eval {	1374
910	load_extension $ext;	1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
911	1	1435	}
912	} or warn "$ext not loaded: $@";	1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
913	}	1446	};
914	}	1447	}
915		1448
916	#############################################################################	1449	#############################################################################
917		1450
		1451	=back
		1452
918	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
919		1454
920	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
921		1456
922	=cut	1457	=cut
923		1458
924	package cf::player;	1459	package cf::player;
925		1460
…		…
927		1462
928	=head3 cf::player	1463	=head3 cf::player
929		1464
930	=over 4	1465	=over 4
931		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
932	=item cf::player::find $login	1481	=item cf::player::find $login
933		1482
934	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
935		1484
936	=cut	1485	=cut
937		1486
938	sub playerdir($) {	1487	sub playerdir($) {
939	cf::localdir	1488	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1490	}
945		1491
946	sub path($) {	1492	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1494
949	(playerdir $login) . "/$login.pl"	1495	(playerdir $login) . "/playerdata"
950	}	1496	}
951		1497
952	sub find_active($) {	1498	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1499	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1500	and $cf::PLAYER{$_[0]}->active
…		…
957		1503
958	sub exists($) {	1504	sub exists($) {
959	my ($login) = @_;	1505	my ($login) = @_;
960		1506
961	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1508	or !aio_stat path $login
963	}	1509	}
964		1510
965	sub find($) {	1511	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1513	my $login = $_[0];
968		1514
969	my $guard = cf::lock_acquire "user_find:$login";	1515	my $guard = cf::lock_acquire "user_find:$login";
970		1516
971	$cf::PLAYER{$_[0]} || do {	1517	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
973	or return;	1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
975	}	1534	}
976	}	1535	}
977	}	1536	}
978		1537
…		…
987	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
988		1547
989	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
991		1550
		1551	cf::get_slot 0.01;
		1552
992	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
993	Coro::cede;	1554	cf::cede_to_tick;
994	}	1555	}
995		1556
996	sub new($) {	1557	sub new($) {
997	my ($login) = @_;	1558	my ($login) = @_;
998		1559
…		…
1004	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1005		1566
1006	$self	1567	$self
1007	}	1568	}
1008		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
1009	=item $pl->quit_character	1580	=item $pl->quit_character
1010		1581
1011	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1013		1584
1014	=cut	1585	=cut
1015		1586
1016	sub quit_character {	1587	sub quit_character {
1017	my ($pl) = @_;	1588	my ($pl) = @_;
1018		1589
		1590	my $name = $pl->ob->name;
		1591
1019	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1594
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1026		1601
1027	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1604	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1605	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
1032	IO::AIO::aio_rmtree $temp;	1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
1033	}	1628	}
1034		1629
1035	=item cf::player::list_logins	1630	=item cf::player::list_logins
1036		1631
1037	Returns am arrayref of all valid playernames in the system, can take a	1632	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1039		1634
1040	=cut	1635	=cut
1041		1636
1042	sub list_logins {	1637	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1639	or return [];
1045		1640
1046	my @logins;	1641	my @logins;
1047		1642
1048	for my $login (@$dirs) {	1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1052		1653
1053	utf8::decode $login;	1654	utf8::decode $login;
1054	push @logins, $login;	1655	push @logins, $login;
1055	}	1656	}
1056		1657
…		…
1064		1665
1065	=cut	1666	=cut
1066		1667
1067	sub maps($) {	1668	sub maps($) {
1068	my ($pl) = @_;	1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1672
1070	my $files = aio_readdir playerdir $pl	1673	my $files = aio_readdir playerdir $pl
1071	or return;	1674	or return;
1072		1675
1073	my @paths;	1676	my @paths;
…		…
1075	for (@$files) {	1678	for (@$files) {
1076	utf8::decode $_;	1679	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1680	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1681	next unless /^$PATH_SEP/o;
1079		1682
1080	s/\.map$//;	1683	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1684	}
1083		1685
1084	\@paths	1686	\@paths
1085	}	1687	}
1086		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1088		1694
1089	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1090		1696
1091	=cut	1697	=cut
1092		1698
1093	sub ext_reply($$$%) {	1699	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1095		1701
1096	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1703	}
1100		1704
1101	package cf;	1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
		1732	my ($path) = @_;
		1733
		1734	my ($match, $specificity);
		1735
		1736	for my $region (list) {
		1737	if ($region->{match} && $path =~ $region->{match}) {
		1738	($match, $specificity) = ($region, $region->specificity)
		1739	if $region->specificity > $specificity;
		1740	}
		1741	}
		1742
		1743	$match
		1744	}
1102		1745
1103	=back	1746	=back
1104
1105		1747
1106	=head3 cf::map	1748	=head3 cf::map
1107		1749
1108	=over 4	1750	=over 4
1109		1751
…		…
1113		1755
1114	use Fcntl;	1756	use Fcntl;
1115	use Coro::AIO;	1757	use Coro::AIO;
1116		1758
1117	use overload	1759	use overload
1118	'""' => \&as_string;	1760	'""' => \&as_string,
		1761	fallback => 1;
1119		1762
1120	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1122		1765
1123	sub generate_random_map {	1766	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1125		1770
1126	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1772	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1784	)
1140	}	1785	}
1141		1786
		1787	=item cf::map->register ($regex, $prio)
		1788
		1789	Register a handler for the map path matching the given regex at the
		1790	givne priority (higher is better, built-in handlers have priority 0, the
		1791	default).
		1792
		1793	=cut
		1794
1142	sub register {	1795	sub register {
1143	my (undef, $regex) = @_;	1796	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1797	my $pkg = caller;
1145		1798
1146	no strict;	1799	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1800	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1801
1149	$EXT_MAP{$pkg} = qr<$regex>;	1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1803	}
1151		1804
1152	# also paths starting with '/'	1805	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1807
1155	sub thawer_merge {	1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
1156	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1812	local $self->{path};
1158	local $_[0]{deny_save};	1813	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1814
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1815	$self->SUPER::thawer_merge ($merge);
1162	}	1816	}
1163		1817
1164	sub normalise {	1818	sub normalise {
1165	my ($path, $base) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
1166		1824
1167	# map plan:	1825	# map plan:
1168	#	1826	#
1169	# /! non-realised random map exit (special hack!)	1827	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1828	# {... are special paths that are not being touched
…		…
1198		1856
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1858
1201	$path = normalise $path, $base;	1859	$path = normalise $path, $base;
1202		1860
1203	for my $pkg (keys %EXT_MAP) {	1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1863	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1864	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1208	return $self;	1866	return $self;
1209	}	1867	}
1210	}	1868	}
1211		1869
1212	Carp::carp "unable to resolve path '$path'.";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1213	()	1871	()
1214	}	1872	}
1215		1873
1216	sub init {	1874	sub init {
1217	my ($self) = @_;	1875	my ($self) = @_;
…		…
1232		1890
1233	# the original (read-only) location	1891	# the original (read-only) location
1234	sub load_path {	1892	sub load_path {
1235	my ($self) = @_;	1893	my ($self) = @_;
1236		1894
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1238	}	1896	}
1239		1897
1240	# the temporary/swap location	1898	# the temporary/swap location
1241	sub save_path {	1899	sub save_path {
1242	my ($self) = @_;	1900	my ($self) = @_;
1243		1901
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1246	}	1904	}
1247		1905
1248	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1249	sub uniq_path {	1907	sub uniq_path {
1250	my ($self) = @_;	1908	my ($self) = @_;
1251		1909
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1254	}	1912	}
1255		1913
1256	# and all this just because we cannot iterate over	1914	sub decay_objects {
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;	1915	my ($self) = @_;
1260		1916
1261	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1262	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1263	}	1920	}
1264		1921
1265	sub unlink_save {	1922	sub unlink_save {
1266	my ($self) = @_;	1923	my ($self) = @_;
1267		1924
…		…
1272		1929
1273	sub load_header_from($) {	1930	sub load_header_from($) {
1274	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1275		1932
1276	utf8::encode $path;	1933	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1278	or return;	1935	or return;
1279		1936
1280	$self->_load_header ($path)	1937	$self->_load_header ($f)
1281	or return;	1938	or return;
1282		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
		1942
1283	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1284		1944
1285	1	1945	1
1286	}	1946	}
1287		1947
1288	sub load_orig {	1948	sub load_header_orig {
1289	my ($self) = @_;	1949	my ($self) = @_;
1290		1950
1291	$self->load_header_from ($self->load_path)	1951	$self->load_header_from ($self->load_path)
1292	}	1952	}
1293		1953
1294	sub load_temp {	1954	sub load_header_temp {
1295	my ($self) = @_;	1955	my ($self) = @_;
1296		1956
1297	$self->load_header_from ($self->save_path)	1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
1298	}	1977	}
1299		1978
1300	sub load_header {	1979	sub load_header {
1301	my ($self) = @_;	1980	my ($self) = @_;
1302		1981
1303	if ($self->load_temp) {	1982	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1983	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1984	} else {
1310	$self->load_orig	1985	$self->load_header_orig
1311	or return;	1986	or return;
1312		1987	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1988	}
		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
		1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
1318		1995
1319	1	1996	1
1320	}	1997	}
1321		1998
1322	sub find;	1999	sub find;
1323	sub find {	2000	sub find {
1324	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1325		2002
1326	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1327		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1328	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1329		2007
1330	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1331	my $guard = cf::lock_acquire "map_find:$path";
1332	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1333	or return;	2010	or return;
1334		2011
1335	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1336		2013
1337	$map->load_header	2014	$map->load_header
1338	or return;	2015	or return;
1339		2016
1340	if ($map->should_reset) {	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1341	$map->reset;	2022	$map->reset;
1342	undef $guard;
1343	$map = find $path	2023	return find $path;
1344	or return;
1345	}	2024	}
1346		2025
1347	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1348	}	2027	}
1349	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1350		2032
1351	sub load {	2033	sub load {
1352	my ($self) = @_;	2034	my ($self) = @_;
1353		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1354	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1355	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1356		2042
		2043	return unless $self->valid;
1357	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1358		2045
1359	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1360		2047
1361	$self->alloc;	2048	$self->alloc;
1362	$self->_load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1363	or return;	2056	or return;
1364		2057
1365	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1366	if delete $self->{load_original};	2059	if delete $self->{load_original};
1367		2060
1368	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1369	utf8::encode $uniq;	2062	utf8::encode $uniq;
1370	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1371	$self->clear_unique_items;	2065	$self->clear_unique_items;
1372	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1373	}	2069	}
1374	}	2070	}
1375		2071
1376	Coro::cede;	2072	$f->resolve_delayed_derefs;
1377		2073
		2074	cf::cede_to_tick;
1378	# now do the right thing for maps	2075	# now do the right thing for maps
1379	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1380
1381	unless ($self->{deny_activate}) {
1382	$self->decay_objects;
1383	$self->fix_auto_apply;
1384	$self->update_buttons;
1385	Coro::cede;
1386	$self->set_darkness_map;
1387	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1388	unless $self->difficulty;	2078	unless $self->difficulty;
1389	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1390	$self->activate;	2086	$self->activate;
1391	}	2087	}
1392		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
1393	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
1394	}	2093	}
1395		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1396	sub customise_for {	2101	sub customise_for {
1397	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1398		2103
1399	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1400	if $self->per_player;	2105	if $self->per_player;
1401		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1402	$self	2110	$self
1403	}	2111	}
1404		2112
1405	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1406	sub load_diag {	2114	sub load_neighbours {
1407	my ($map) = @_;	2115	my ($map) = @_;
1408		2116
1409	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1410		2118
1411	for (0 .. 3) {	2119	for (0 .. 3) {
1412	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1413	or next;	2121	or next;
1414	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1415	or next;	2123	or next;
1416	$neigh->load;	2124	$neigh->load;
1417		2125
		2126	push @neigh,
1418	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1419	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1420	}	2129	}
1421		2130
1422	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1423	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1424	or next;	2134	or next;
1425	$neigh->load;	2135	$neigh->load;
1426	}	2136	}
1427	}	2137	}
1428		2138
…		…
1433	}	2143	}
1434		2144
1435	sub do_load_sync {	2145	sub do_load_sync {
1436	my ($map) = @_;	2146	my ($map) = @_;
1437		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1438	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1439	}	2152	}
1440		2153
1441	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1442	our $MAP_PREFETCHER = Coro::async {	2155	our $MAP_PREFETCHER = undef;
1443	while () {
1444	for my $path (keys %MAP_PREFETCH) {
1445	my $map = find $path
1446	or next;
1447	$map->load;
1448
1449	delete $MAP_PREFETCH{$path};
1450	}
1451	Coro::schedule;
1452	}
1453	};
1454		2156
1455	sub find_async {	2157	sub find_async {
1456	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1457		2159
1458	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1459		2161
1460	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1461	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2164	}
		2165
		2166	$MAP_PREFETCH{$path} |= $load;
		2167
		2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
		2171	while (%MAP_PREFETCH) {
		2172	while (my ($k, $v) = each %MAP_PREFETCH) {
		2173	if (my $map = find $k) {
		2174	$map->load if $v;
		2175	}
		2176
		2177	delete $MAP_PREFETCH{$k};
		2178	}
		2179	}
		2180	undef $MAP_PREFETCHER;
1462	}	2181	};
1463
1464	$MAP_PREFETCH{$path} = 0;
1465	$MAP_PREFETCHER->ready;	2182	$MAP_PREFETCHER->prio (6);
1466		2183
1467	()	2184	()
1468	}	2185	}
1469		2186
1470	sub save {	2187	sub save {
1471	my ($self) = @_;	2188	my ($self) = @_;
1472		2189
1473	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1474		2191
1475	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1476		2193
1477	return unless $self->dirty;	2194	return unless $self->dirty;
1478		2195
…		…
1484	return if $self->{deny_save};	2201	return if $self->{deny_save};
1485		2202
1486	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1487		2204
1488	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1489	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1490	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1491		2211
1492	if ($uniq) {	2212	if ($uniq) {
1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1494	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1495	} else {	2215	} else {
…		…
1501	my ($self) = @_;	2221	my ($self) = @_;
1502		2222
1503	# save first because save cedes	2223	# save first because save cedes
1504	$self->save;	2224	$self->save;
1505		2225
1506	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1507		2227
1508	return if $self->players;	2228	return if $self->players;
1509	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1510	return if $self->{deny_save};	2230	return if $self->{deny_save};
1511		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1512	$self->clear;	2236	$self->clear;
1513	$self->in_memory (cf::MAP_SWAPPED);
1514	}	2237	}
1515		2238
1516	sub reset_at {	2239	sub reset_at {
1517	my ($self) = @_;	2240	my ($self) = @_;
1518		2241
1519	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1520	return 1e99 if $self->isa ("ext::map_per_player");#d#
1521	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1522		2244
1523	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1524	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1525		2247
…		…
1530	my ($self) = @_;	2252	my ($self) = @_;
1531		2253
1532	$self->reset_at <= $cf::RUNTIME	2254	$self->reset_at <= $cf::RUNTIME
1533	}	2255	}
1534		2256
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	normalise $new_path;
1539
1540	$self->unlink_save;
1541
1542	delete $cf::MAP{$self->path};
1543	$self->{path} = $new_path; $self->path ($self->{path});
1544	$cf::MAP{$self->path} = $self;
1545
1546	$self->save;
1547	}
1548
1549	sub reset {	2257	sub reset {
1550	my ($self) = @_;	2258	my ($self) = @_;
1551		2259
1552	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2261
1554	return if $self->players;	2262	return if $self->players;
1555	return if $self->isa ("ext::map_per_player");#d#
1556		2263
1557	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
		2265
		2266	$self->in_memory (cf::MAP_SWAPPED);
		2267
		2268	# need to save uniques path
		2269	unless ($self->{deny_save}) {
		2270	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2271
		2272	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2273	if $uniq;
		2274	}
1558		2275
1559	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1560		2277
1561	$self->in_memory (cf::MAP_SWAPPED);	2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1562	$self->clear;	2280	$self->clear;
1563
1564	$_->clear_links_to ($self) for values %cf::MAP;
1565		2281
1566	$self->unlink_save;	2282	$self->unlink_save;
1567	$self->destroy;	2283	$self->destroy;
1568	}	2284	}
1569		2285
1570	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1571		2287
1572	sub nuke {	2288	sub nuke {
1573	my ($self) = @_;	2289	my ($self) = @_;
1574		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
		2294	delete $cf::MAP{$self->path};
		2295
		2296	$self->unlink_save;
		2297
		2298	bless $self, "cf::map";
		2299	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1577	$self->rename ("{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2303
		2304	$cf::MAP{$self->path} = $self;
		2305	}
		2306
1578	$self->reset; # polite request, might not happen	2307	$self->reset; # polite request, might not happen
		2308	}
		2309
		2310	=item $maps = cf::map::tmp_maps
		2311
		2312	Returns an arrayref with all map paths of currently instantiated and saved
		2313	maps. May block.
		2314
		2315	=cut
		2316
		2317	sub tmp_maps() {
		2318	[
		2319	map {
		2320	utf8::decode $_;
		2321	/\.map$/
		2322	? normalise $_
		2323	: ()
		2324	} @{ aio_readdir $TMPDIR or [] }
		2325	]
		2326	}
		2327
		2328	=item $maps = cf::map::random_maps
		2329
		2330	Returns an arrayref with all map paths of currently instantiated and saved
		2331	random maps. May block.
		2332
		2333	=cut
		2334
		2335	sub random_maps() {
		2336	[
		2337	map {
		2338	utf8::decode $_;
		2339	/\.map$/
		2340	? normalise "?random/$_"
		2341	: ()
		2342	} @{ aio_readdir $RANDOMDIR or [] }
		2343	]
1579	}	2344	}
1580		2345
1581	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1582		2347
1583	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2349	instantiated unique items. May block.
1585		2350
1586	=cut	2351	=cut
1587		2352
1588	sub unique_maps() {	2353	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1590	or return;	2355	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2356	utf8::decode $_;
1596	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2359	? ()
		2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
		2362	]
		2363	}
1598		2364
		2365	=item cf::map::static_maps
		2366
		2367	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2368	file in the shared directory excluding F</styles> and F</editor>). May
		2369	block.
		2370
		2371	=cut
		2372
		2373	sub static_maps() {
		2374	my @dirs = "";
		2375	my @maps;
		2376
		2377	while (@dirs) {
		2378	my $dir = shift @dirs;
		2379
		2380	next if $dir eq "/styles" || $dir eq "/editor";
		2381
		2382	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2383	or return;
		2384
		2385	for (@$files) {
1599	s/\.map$//;	2386	s/\.map$// or next;
1600	push @paths, $_;	2387	utf8::decode $_;
1601	}	2388	push @maps, "$dir/$_";
		2389	}
1602		2390
1603	\@paths	2391	push @dirs, map "$dir/$_", @$dirs;
1604	}	2392	}
1605		2393
1606	package cf;	2394	\@maps
		2395	}
1607		2396
1608	=back	2397	=back
1609		2398
1610	=head3 cf::object	2399	=head3 cf::object
1611		2400
…		…
1615		2404
1616	=over 4	2405	=over 4
1617		2406
1618	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1619		2408
1620	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1621		2411
1622	=cut	2412	=cut
1623		2413
1624	sub inv_recursive_;	2414	sub inv_recursive_;
1625	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1628		2418
1629	sub inv_recursive {	2419	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1631	}	2421	}
1632		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1633	package cf;	2451	package cf;
1634		2452
1635	=back	2453	=back
1636		2454
1637	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1643	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1645	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1646		2464
1647	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1648		2480
1649	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2482	# with dialog boxes.
1651	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1652	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1654		2486
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2488
1657	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1659	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1662	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1663	}	2514	}
1664		2515
1665	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1666		2517
1667	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1680		2531
1681	=item $player_object->enter_link	2532	=item $player_object->enter_link
1682		2533
1683	Freezes the player and moves him/her to a special map (C<{link}>).	2534	Freezes the player and moves him/her to a special map (C<{link}>).
1684		2535
1685	The player should be reasonably safe there for short amounts of time. You	2536	The player should be reasonably safe there for short amounts of time (e.g.
1686	I<MUST> call C<leave_link> as soon as possible, though.	2537	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2538	though, as the palyer cannot control the character while it is on the link
		2539	map.
1687		2540
1688	Will never block.	2541	Will never block.
1689		2542
1690	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1691		2544
…		…
1699	=cut	2552	=cut
1700		2553
1701	sub link_map {	2554	sub link_map {
1702	unless ($LINK_MAP) {	2555	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2556	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2557	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2558	$LINK_MAP->load;
1706	}	2559	}
1707		2560
1708	$LINK_MAP	2561	$LINK_MAP
1709	}	2562	}
…		…
1714	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1715		2568
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2570
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1720		2573
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2575	}
1723		2576
1724	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1726		2581
1727	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1728		2583
1729	unless ($map) {	2584	unless ($map) {
1730	# restore original map position	2585	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1743		2598
1744	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1747		2602
1748	$map->load;	2603	$map->load;
1749	$map->load_diag;	2604	$map->load_neighbours;
1750		2605
1751	return unless $self->contr->active;	2606	return unless $self->contr->active;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2609	$self->enter_map ($map, $x, $y);
		2610
		2611	# only activate afterwards, to support waiting in hooks
1752	$self->activate_recursive;	2612	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}	2613	}
1755		2614
1756	cf::player->attach (	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2616
1760	# abort map switching before logout	2617	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2618	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2620	the new (success) or old (failed) map position. In either case, $done will
1764	};	2621	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2622
1770	# try to abort aborted map switching on player login :)	2623	Note that $check will be called with a potentially non-loaded map, so if
1771	# should happen only on crashes	2624	it needs a loaded map it has to call C<< ->load >>.
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2625
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1791		2629
1792	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2631	my ($self, $path, $x, $y, $check, $done) = @_;
		2632
		2633	# do generation counting so two concurrent goto's will be executed in-order
		2634	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2635
1795	$self->enter_link;	2636	$self->enter_link;
1796		2637
1797	(async {	2638	(async {
1798	my $map = cf::map::find $path;	2639	$Coro::current->{desc} = "player::goto $path $x $y";
		2640
		2641	# *tag paths override both path and x|y
		2642	if ($path =~ /^\*(.*)$/) {
		2643	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2644	my $ob = $obs[rand @obs];
		2645
		2646	# see if we actually can go there
		2647	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2648	$ob = $obs[rand @obs];
		2649	} else {
		2650	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	}
		2652	# else put us there anyways for now #d#
		2653
		2654	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2655	} else {
		2656	($path, $x, $y) = (undef, undef, undef);
		2657	}
		2658	}
		2659
		2660	my $map = eval {
		2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
1800		2665	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2666	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
1805		2669
		2670	$map
		2671	};
		2672
		2673	if ($@) {
		2674	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2675	LOG llevError | logBacktrace, Carp::longmess $@;
		2676	}
		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1807	})->prio (1);	2684	})->prio (1);
1808	}	2685	}
1809		2686
1810	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1811		2688
…		…
1813		2690
1814	sub parse_random_map_params {	2691	sub parse_random_map_params {
1815	my ($spec) = @_;	2692	my ($spec) = @_;
1816		2693
1817	my $rmp = { # defaults	2694	my $rmp = { # defaults
1818	xsize => 10,	2695	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2696	ysize => (cf::rndm 15, 40),
		2697	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2698	#layout => string,
1820	};	2699	};
1821		2700
1822	for (split /\n/, $spec) {	2701	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2702	my ($k, $v) = split /\s+/, $_, 2;
1824		2703
…		…
1836	# that depends on the exit object	2715	# that depends on the exit object
1837		2716
1838	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
1839		2718
1840	if ($exit->map) {	2719	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2720	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1845	}	2726	}
1846		2727
1847	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1848		2729
1849	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
		2732	my $meta = "$RANDOMDIR/$md5.meta";
1851		2733
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
		2736	undef $fh;
		2737	aio_rename "$meta~", $meta;
1854		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1855	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
1857	}	2745	}
1858	}	2746	}
1859		2747
1860	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
…		…
1863	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
1864		2752
1865	$self->enter_link;	2753	$self->enter_link;
1866		2754
1867	(async {	2755	(async {
1868	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
1869	unless (eval {	2758	unless (eval {
		2759	$self->deactivate_recursive; # just to be sure
		2760
		2761	# random map handling
		2762	{
		2763	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2764
1870	prepare_random_map $exit	2765	prepare_random_map $exit
1871	if $exit->slaying eq "/!";	2766	if $exit->slaying eq "/!";
		2767	}
1872		2768
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
1875		2772
		2773	$self->goto ($map, $x, $y);
		2774
		2775	# if exit is damned, update players death & WoR home-position
		2776	$self->contr->savebed ($map, $x, $y)
		2777	if $exit->flag (cf::FLAG_DAMNED);
		2778
1876	1;	2779	1
1877	}) {	2780	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
1879	. "I'll try to bring you back to the map you were before. "	2782	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2785
1883	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2787	$self->leave_link;
1885	}	2788	}
1886	})->prio (1);	2789	})->prio (1);
…		…
1899		2802
1900	sub cf::client::send_drawinfo {	2803	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2804	my ($self, $text, $flags) = @_;
1902		2805
1903	utf8::encode $text;	2806	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2808	}
1906		2809
		2810	=item $client->send_big_packet ($pkt)
		2811
		2812	Like C<send_packet>, but tries to compress large packets, and fragments
		2813	them as required.
		2814
		2815	=cut
		2816
		2817	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2818
		2819	sub cf::client::send_big_packet {
		2820	my ($self, $pkt) = @_;
		2821
		2822	# try lzf for large packets
		2823	$pkt = "lzf " . Compress::LZF::compress $pkt
		2824	if 1024 <= length $pkt and $self->{can_lzf};
		2825
		2826	# split very large packets
		2827	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2828	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2829	$pkt = "frag";
		2830	}
		2831
		2832	$self->send_packet ($pkt);
		2833	}
		2834
		2835	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2836
		2837	Send a drawinfo or msg packet to the client, formatting the msg for the
		2838	client if neccessary. C<$type> should be a string identifying the type of
		2839	the message, with C<log> being the default. If C<$color> is negative, suppress
		2840	the message unless the client supports the msg packet.
		2841
		2842	=cut
		2843
		2844	# non-persistent channels (usually the info channel)
		2845	our %CHANNEL = (
		2846	"c/motd" => {
		2847	id => "infobox",
		2848	title => "MOTD",
		2849	reply => undef,
		2850	tooltip => "The message of the day",
		2851	},
		2852	"c/identify" => {
		2853	id => "infobox",
		2854	title => "Identify",
		2855	reply => undef,
		2856	tooltip => "Items recently identified",
		2857	},
		2858	"c/examine" => {
		2859	id => "infobox",
		2860	title => "Examine",
		2861	reply => undef,
		2862	tooltip => "Signs and other items you examined",
		2863	},
		2864	"c/shopinfo" => {
		2865	id => "infobox",
		2866	title => "Shop Info",
		2867	reply => undef,
		2868	tooltip => "What your bargaining skill tells you about the shop",
		2869	},
		2870	"c/book" => {
		2871	id => "infobox",
		2872	title => "Book",
		2873	reply => undef,
		2874	tooltip => "The contents of a note or book",
		2875	},
		2876	"c/lookat" => {
		2877	id => "infobox",
		2878	title => "Look",
		2879	reply => undef,
		2880	tooltip => "What you saw there",
		2881	},
		2882	"c/who" => {
		2883	id => "infobox",
		2884	title => "Players",
		2885	reply => undef,
		2886	tooltip => "Shows players who are currently online",
		2887	},
		2888	"c/body" => {
		2889	id => "infobox",
		2890	title => "Body Parts",
		2891	reply => undef,
		2892	tooltip => "Shows which body parts you posess and are available",
		2893	},
		2894	"c/statistics" => {
		2895	id => "infobox",
		2896	title => "Statistics",
		2897	reply => undef,
		2898	tooltip => "Shows your primary statistics",
		2899	},
		2900	"c/skills" => {
		2901	id => "infobox",
		2902	title => "Skills",
		2903	reply => undef,
		2904	tooltip => "Shows your experience per skill and item power",
		2905	},
		2906	"c/shopitems" => {
		2907	id => "infobox",
		2908	title => "Shop Items",
		2909	reply => undef,
		2910	tooltip => "Shows the items currently for sale in this shop",
		2911	},
		2912	"c/resistances" => {
		2913	id => "infobox",
		2914	title => "Resistances",
		2915	reply => undef,
		2916	tooltip => "Shows your resistances",
		2917	},
		2918	"c/pets" => {
		2919	id => "infobox",
		2920	title => "Pets",
		2921	reply => undef,
		2922	tooltip => "Shows information abotu your pets/a specific pet",
		2923	},
		2924	"c/perceiveself" => {
		2925	id => "infobox",
		2926	title => "Perceive Self",
		2927	reply => undef,
		2928	tooltip => "You gained detailed knowledge about yourself",
		2929	},
		2930	"c/uptime" => {
		2931	id => "infobox",
		2932	title => "Uptime",
		2933	reply => undef,
		2934	tooltip => "How long the server has been running since last restart",
		2935	},
		2936	"c/mapinfo" => {
		2937	id => "infobox",
		2938	title => "Map Info",
		2939	reply => undef,
		2940	tooltip => "Information related to the maps",
		2941	},
		2942	"c/party" => {
		2943	id => "party",
		2944	title => "Party",
		2945	reply => "gsay ",
		2946	tooltip => "Messages and chat related to your party",
		2947	},
		2948	"c/death" => {
		2949	id => "death",
		2950	title => "Death",
		2951	reply => undef,
		2952	tooltip => "Reason for and more info about your most recent death",
		2953	},
		2954	"c/say" => $SAY_CHANNEL,
		2955	"c/chat" => $CHAT_CHANNEL,
		2956	);
		2957
		2958	sub cf::client::send_msg {
		2959	my ($self, $channel, $msg, $color, @extra) = @_;
		2960
		2961	$msg = $self->pl->expand_cfpod ($msg)
		2962	unless $color & cf::NDI_VERBATIM;
		2963
		2964	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2965
		2966	# check predefined channels, for the benefit of C
		2967	if ($CHANNEL{$channel}) {
		2968	$channel = $CHANNEL{$channel};
		2969
		2970	$self->ext_msg (channel_info => $channel);
		2971	$channel = $channel->{id};
		2972
		2973	} elsif (ref $channel) {
		2974	# send meta info to client, if not yet sent
		2975	unless (exists $self->{channel}{$channel->{id}}) {
		2976	$self->{channel}{$channel->{id}} = $channel;
		2977	$self->ext_msg (channel_info => $channel);
		2978	}
		2979
		2980	$channel = $channel->{id};
		2981	}
		2982
		2983	return unless @extra || length $msg;
		2984
		2985	# default colour, mask it out
		2986	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2987	if $color & cf::NDI_DEF;
		2988
		2989	my $pkt = "msg "
		2990	. $self->{json_coder}->encode (
		2991	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2992	);
		2993
		2994	$self->send_big_packet ($pkt);
		2995	}
		2996
		2997	=item $client->ext_msg ($type, @msg)
		2998
		2999	Sends an ext event to the client.
		3000
		3001	=cut
		3002
		3003	sub cf::client::ext_msg($$@) {
		3004	my ($self, $type, @msg) = @_;
		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
		3009	push @msg, msgtype => "event_$type";
		3010	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3011	}
		3012	}
		3013
		3014	=item $client->ext_reply ($msgid, @msg)
		3015
		3016	Sends an ext reply to the client.
		3017
		3018	=cut
		3019
		3020	sub cf::client::ext_reply($$@) {
		3021	my ($self, $id, @msg) = @_;
		3022
		3023	if ($self->extcmd == 2) {
		3024	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3025	} elsif ($self->extcmd == 1) {
		3026	#TODO: version 1, remove
		3027	unshift @msg, msgtype => "reply", msgid => $id;
		3028	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3029	}
		3030	}
1907		3031
1908	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
1909		3033
1910	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3035	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3036	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		3037
1914	Queries can fail, so check the return code. Or don't, as queries will become	3038	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	3039	become reliable at some point in the future.
1916		3040
1917	=cut	3041	=cut
1918		3042
1919	sub cf::client::query {	3043	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	3052	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		3054
1931	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
1933	}	3059	}
1934		3060
1935	cf::client->attach (	3061	cf::client->attach (
		3062	on_connect => sub {
		3063	my ($ns) = @_;
		3064
		3065	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3066	},
1936	on_reply => sub {	3067	on_reply => sub {
1937	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
1938		3069
1939	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
1940	# get handled first	3071	# get handled first
1941	my $queue = delete $ns->{query_queue}	3072	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	3073	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		3074
1944	(shift @$queue)->[1]->($msg);	3075	(shift @$queue)->[1]->($msg);
		3076	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		3077
1946	push @{ $ns->{query_queue} }, @$queue;	3078	push @{ $ns->{query_queue} }, @$queue;
1947		3079
1948	if (@{ $ns->{query_queue} } == @$queue) {	3080	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	3081	if (@$queue) {
…		…
1951	} else {	3083	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	3085	}
1954	}	3086	}
1955	},	3087	},
		3088	on_exticmd => sub {
		3089	my ($ns, $buf) = @_;
		3090
		3091	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3092
		3093	if (ref $msg) {
		3094	my ($type, $reply, @payload) =
		3095	"ARRAY" eq ref $msg
		3096	? @$msg
		3097	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3098
		3099	my @reply;
		3100
		3101	if (my $cb = $EXTICMD{$type}) {
		3102	@reply = $cb->($ns, @payload);
		3103	}
		3104
		3105	$ns->ext_reply ($reply, @reply)
		3106	if $reply;
		3107
		3108	} else {
		3109	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3110	}
		3111
		3112	cf::override;
		3113	},
1956	);	3114	);
1957		3115
1958	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
1959		3117
1960	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
1976		3134
1977	$coro	3135	$coro
1978	}	3136	}
1979		3137
1980	cf::client->attach (	3138	cf::client->attach (
1981	on_destroy => sub {	3139	on_client_destroy => sub {
1982	my ($ns) = @_;	3140	my ($ns) = @_;
1983		3141
1984	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3142	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1985	},	3143	},
1986	);	3144	);
…		…
2001	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2003		3161
2004	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2005		3163
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3164	$safe->permit_only (Opcode::opset qw(
		3165	:base_core :base_mem :base_orig :base_math :base_loop
		3166	grepstart grepwhile mapstart mapwhile
		3167	sort time
		3168	));
2007		3169
2008	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2009		3171
2010	=pod	3172	=pod
2011		3173
2012	The following fucntions and emthods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2013		3175
2014	cf::object contr pay_amount pay_player map	3176	cf::object
		3177	contr pay_amount pay_player map x y force_find force_add destroy
		3178	insert remove name archname title slaying race decrease split
		3179	value
		3180
2015	cf::object::player player	3181	cf::object::player
2016	cf::player peaceful	3182	player
2017	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2018		3189
2019	=cut	3190	=cut
2020		3191
2021	for (	3192	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	3193	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3194	insert remove inv nrof name archname title slaying race
		3195	decrease split destroy change_exp value msg lore send_msg)],
2023	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2025	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2026	) {	3199	) {
2027	no strict 'refs';	3200	no strict 'refs';
2028	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2029	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2047		3220
2048	my $qcode = $code;	3221	my $qcode = $code;
2049	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2050	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2051		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2052	local $_;	3228	local $_;
2053	local @safe::cf::_safe_eval_args = values %vars;
2054		3229
2055	my $eval =	3230	my $eval =
2056	"do {\n"	3231	"do {\n"
2057	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2058	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2059	. $code	3234	. $code
2060	. "\n}"	3235	. "\n}"
2061	;	3236	;
2062		3237
		3238	if ($CFG{safe_eval}) {
2063	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2064	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2065	sub_generation_inc;	3242	sub_generation_inc;
		3243	} else {
		3244	local @cf::_safe_eval_args = values %vars;
		3245	@res = wantarray ? eval eval : scalar eval $eval;
		3246	}
2066		3247
2067	if ($@) {	3248	if ($@) {
2068	warn "$@";	3249	warn "$@";
2069	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2070	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2089	=cut	3270	=cut
2090		3271
2091	sub register_script_function {	3272	sub register_script_function {
2092	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2093		3274
2094	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2095	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2096	}	3277	}
2097		3278
2098	=back	3279	=back
2099		3280
2100	=cut	3281	=cut
2101		3282
2102	#############################################################################	3283	#############################################################################
		3284	# the server's init and main functions
2103		3285
2104	=head2 EXTENSION DATABASE SUPPORT	3286	sub load_facedata($) {
		3287	my ($path) = @_;
2105		3288
2106	Crossfire maintains a very simple database for extension use. It can	3289	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	3290	# for this (global event?)
2108	excludes objects.	3291	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		3292
2110	The parameter C<$family> should best start with the name of the extension	3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		3294
2113	=over 4	3295	warn "loading facedata from $path\n";
2114		3296
2115	=item $hashref = cf::db_get $family	3297	my $facedata;
		3298	0 < aio_load $path, $facedata
		3299	or die "$path: $!";
2116		3300
2117	Return a hashref for use by the extension C<$family>, which can be	3301	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		3302
2121	=item $value = cf::db_get $family => $key	3303	$facedata->{version} == 2
		3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		3305
2123	Returns a single value from the database	3306	# patch in the exptable
2124		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2125	=item cf::db_put $family => $hashref	3308	$facedata->{resource}{"res/exp_table"} = {
2126		3309	type => FT_RSRC,
2127	Stores the given family hashref into the database. Updates are delayed, if	3310	data => $exp_table,
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3311	hash => (Digest::MD5::md5 $exp_table),
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}
2153
2154	my $pid;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	3312	};
		3313	cf::cede_to_tick;
2176		3314
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	3315	{
		3316	my $faces = $facedata->{faceinfo};
2181		3317
2182	sub db_get($;$) {	3318	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}
2185	: ($DB->{$_[0]} ||= { })
2186	}
2187		3320
2188	sub db_put($$;$) {	3321	cf::face::set_visibility $idx, $info->{visibility};
2189	if (@_ >= 3) {	3322	cf::face::set_magicmap $idx, $info->{magicmap};
2190	$DB->{$_[0]}{$_[1]} = $_[2];	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2191	} else {	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196		3325
2197	cf::global->attach (	3326	cf::cede_to_tick;
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	3327	}
2202	);
2203	}
2204		3328
2205	#############################################################################	3329	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	3330	next unless $info->{smooth};
2207		3331
2208	sub cfg_load {	3332	my $idx = cf::face::find $face
		3333	or next;
		3334
		3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
		3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3338	} else {
		3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3340	}
		3341
		3342	cf::cede_to_tick;
		3343	}
		3344	}
		3345
		3346	{
		3347	my $anims = $facedata->{animinfo};
		3348
		3349	while (my ($anim, $info) = each %$anims) {
		3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3351	cf::cede_to_tick;
		3352	}
		3353
		3354	cf::anim::invalidate_all; # d'oh
		3355	}
		3356
		3357	{
		3358	my $res = $facedata->{resource};
		3359
		3360	while (my ($name, $info) = each %$res) {
		3361	if (defined $info->{type}) {
		3362	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3363
		3364	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3365	cf::face::set_type $idx, $info->{type};
		3366	} else {
		3367	$RESOURCE{$name} = $info;
		3368	}
		3369
		3370	cf::cede_to_tick;
		3371	}
		3372	}
		3373
		3374	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3375
		3376	1
		3377	}
		3378
		3379	cf::global->attach (on_resource_update => sub {
		3380	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3381	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3382
		3383	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3384	my $sound = $soundconf->{compat}[$_]
		3385	or next;
		3386
		3387	my $face = cf::face::find "sound/$sound->[1]";
		3388	cf::sound::set $sound->[0] => $face;
		3389	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3390	}
		3391
		3392	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3393	my $face = cf::face::find "sound/$v";
		3394	cf::sound::set $k => $face;
		3395	}
		3396	}
		3397	});
		3398
		3399	register_exticmd fx_want => sub {
		3400	my ($ns, $want) = @_;
		3401
		3402	while (my ($k, $v) = each %$want) {
		3403	$ns->fx_want ($k, $v);
		3404	}
		3405	};
		3406
		3407	sub load_resource_file($) {
		3408	my $guard = lock_acquire "load_resource_file";
		3409
		3410	my $status = load_resource_file_ $_[0];
		3411	get_slot 0.1, 100;
		3412	cf::arch::commit_load;
		3413
		3414	$status
		3415	}
		3416
		3417	sub reload_regions {
		3418	# HACK to clear player env face cache, we need some signal framework
		3419	# for this (global event?)
		3420	%ext::player_env::MUSIC_FACE_CACHE = ();
		3421
		3422	load_resource_file "$MAPDIR/regions"
		3423	or die "unable to load regions file\n";
		3424
		3425	for (cf::region::list) {
		3426	$_->{match} = qr/$_->{match}/
		3427	if exists $_->{match};
		3428	}
		3429	}
		3430
		3431	sub reload_facedata {
		3432	load_facedata "$DATADIR/facedata"
		3433	or die "unable to load facedata\n";
		3434	}
		3435
		3436	sub reload_archetypes {
		3437	load_resource_file "$DATADIR/archetypes"
		3438	or die "unable to load archetypes\n";
		3439	}
		3440
		3441	sub reload_treasures {
		3442	load_resource_file "$DATADIR/treasures"
		3443	or die "unable to load treasurelists\n";
		3444	}
		3445
		3446	sub reload_resources {
		3447	warn "reloading resource files...\n";
		3448
		3449	reload_facedata;
		3450	reload_archetypes;
		3451	reload_regions;
		3452	reload_treasures;
		3453
		3454	warn "finished reloading resource files\n";
		3455	}
		3456
		3457	sub reload_config {
		3458	warn "reloading config file...\n";
		3459
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3461	or return;
2211		3462
2212	local $/;	3463	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2214		3465
2215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2216		3467
2217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3468	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3469	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2222	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2223	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2224	};	3475	};
2225	warn $@ if $@;	3476	warn $@ if $@;
2226	}	3477	}
		3478
		3479	warn "finished reloading resource files\n";
		3480	}
		3481
		3482	sub pidfile() {
		3483	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3484	or die "$PIDFILE: $!";
		3485	flock $fh, &Fcntl::LOCK_EX
		3486	or die "$PIDFILE: flock: $!";
		3487	$fh
		3488	}
		3489
		3490	# make sure only one server instance is running at any one time
		3491	sub atomic {
		3492	my $fh = pidfile;
		3493
		3494	my $pid = <$fh>;
		3495	kill 9, $pid if $pid > 0;
		3496
		3497	seek $fh, 0, 0;
		3498	print $fh $$;
		3499	}
		3500
		3501	sub main_loop {
		3502	warn "EV::loop starting\n";
		3503	if (1) {
		3504	EV::loop;
		3505	}
		3506	warn "EV::loop returned\n";
		3507	goto &main_loop unless $REALLY_UNLOOP;
2227	}	3508	}
2228		3509
2229	sub main {	3510	sub main {
		3511	cf::init_globals; # initialise logging
		3512
		3513	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3514	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3515	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3516	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3517
		3518	cf::init_experience;
		3519	cf::init_anim;
		3520	cf::init_attackmess;
		3521	cf::init_dynamic;
		3522
		3523	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3524
2230	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2231	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3527	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233	async { Event::one_event };	3528	(async {
		3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
		3531	})->prio (Coro::PRIO_MAX);
2234	};	3532	};
2235		3533
2236	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
2237	db_load;	3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
		3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_skills;
		3547
		3548	cf::init_beforeplay;
		3549
		3550	atomic;
		3551
2238	load_extensions;	3552	load_extensions;
2239	Event::loop;	3553
		3554	utime time, time, $RUNTIMEFILE;
		3555
		3556	# no (long-running) fork's whatsoever before this point(!)
		3557	use POSIX ();
		3558	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3559
		3560	(pop @POST_INIT)->(0) while @POST_INIT;
		3561	};
		3562
		3563	main_loop;
2240	}	3564	}
2241		3565
2242	#############################################################################	3566	#############################################################################
2243	# initialisation and cleanup	3567	# initialisation and cleanup
2244		3568
2245	# install some emergency cleanup handlers	3569	# install some emergency cleanup handlers
2246	BEGIN {	3570	BEGIN {
		3571	our %SIGWATCHER = ();
2247	for my $signal (qw(INT HUP TERM)) {	3572	for my $signal (qw(INT HUP TERM)) {
2248	Event->signal (	3573	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2249	data => WF_AUTOCANCEL,
2250	signal => $signal,
2251	cb => sub {
2252	cf::cleanup "SIG$signal";	3574	cf::cleanup "SIG$signal";
2253	},
2254	);	3575	};
		3576	}
		3577	}
		3578
		3579	sub write_runtime_sync {
		3580	my $t0 = EV::time;
		3581
		3582	# first touch the runtime file to show we are still running:
		3583	# the fsync below can take a very very long time.
		3584
		3585	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3586
		3587	my $guard = cf::lock_acquire "write_runtime";
		3588
		3589	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3590	or return;
		3591
		3592	my $value = $cf::RUNTIME + 90 + 10;
		3593	# 10 is the runtime save interval, for a monotonic clock
		3594	# 60 allows for the watchdog to kill the server.
		3595
		3596	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3597	and return;
		3598
		3599	# always fsync - this file is important
		3600	aio_fsync $fh
		3601	and return;
		3602
		3603	# touch it again to show we are up-to-date
		3604	aio_utime $fh, undef, undef;
		3605
		3606	close $fh
		3607	or return;
		3608
		3609	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3610	and return;
		3611
		3612	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3613
2255	}	3614	1
		3615	}
		3616
		3617	our $uuid_lock;
		3618	our $uuid_skip;
		3619
		3620	sub write_uuid_sync($) {
		3621	$uuid_skip ||= $_[0];
		3622
		3623	return if $uuid_lock;
		3624	local $uuid_lock = 1;
		3625
		3626	my $uuid = "$LOCALDIR/uuid";
		3627
		3628	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3629	or return;
		3630
		3631	my $value = uuid_seq uuid_cur;
		3632
		3633	unless ($value) {
		3634	warn "cowardly refusing to write zero uuid value!\n";
		3635	return;
		3636	}
		3637
		3638	my $value = uuid_str $value + $uuid_skip;
		3639	$uuid_skip = 0;
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	close $fh
		3649	or return;
		3650
		3651	aio_rename "$uuid~", $uuid
		3652	and return;
		3653
		3654	warn "uuid file written ($value).\n";
		3655
		3656	1
		3657
		3658	}
		3659
		3660	sub write_uuid($$) {
		3661	my ($skip, $sync) = @_;
		3662
		3663	$sync ? write_uuid_sync $skip
		3664	: async { write_uuid_sync $skip };
2256	}	3665	}
2257		3666
2258	sub emergency_save() {	3667	sub emergency_save() {
2259	my $freeze_guard = cf::freeze_mainloop;	3668	my $freeze_guard = cf::freeze_mainloop;
2260		3669
2261	warn "enter emergency perl save\n";	3670	warn "emergency_perl_save: enter\n";
2262		3671
2263	cf::sync_job {	3672	cf::sync_job {
		3673	# this is a trade-off: we want to be very quick here, so
		3674	# save all maps without fsync, and later call a global sync
		3675	# (which in turn might be very very slow)
		3676	local $USE_FSYNC = 0;
		3677
2264	# use a peculiar iteration method to avoid tripping on perl	3678	# use a peculiar iteration method to avoid tripping on perl
2265	# refcount bugs in for. also avoids problems with players	3679	# refcount bugs in for. also avoids problems with players
2266	# and maps saved/destroyed asynchronously.	3680	# and maps saved/destroyed asynchronously.
2267	warn "begin emergency player save\n";	3681	warn "emergency_perl_save: begin player save\n";
2268	for my $login (keys %cf::PLAYER) {	3682	for my $login (keys %cf::PLAYER) {
2269	my $pl = $cf::PLAYER{$login} or next;	3683	my $pl = $cf::PLAYER{$login} or next;
2270	$pl->valid or next;	3684	$pl->valid or next;
		3685	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2271	$pl->save;	3686	$pl->save;
2272	}	3687	}
2273	warn "end emergency player save\n";	3688	warn "emergency_perl_save: end player save\n";
2274		3689
2275	warn "begin emergency map save\n";	3690	warn "emergency_perl_save: begin map save\n";
2276	for my $path (keys %cf::MAP) {	3691	for my $path (keys %cf::MAP) {
2277	my $map = $cf::MAP{$path} or next;	3692	my $map = $cf::MAP{$path} or next;
2278	$map->valid or next;	3693	$map->valid or next;
2279	$map->save;	3694	$map->save;
2280	}	3695	}
2281	warn "end emergency map save\n";	3696	warn "emergency_perl_save: end map save\n";
		3697
		3698	warn "emergency_perl_save: begin database checkpoint\n";
		3699	BDB::db_env_txn_checkpoint $DB_ENV;
		3700	warn "emergency_perl_save: end database checkpoint\n";
		3701
		3702	warn "emergency_perl_save: begin write uuid\n";
		3703	write_uuid_sync 1;
		3704	warn "emergency_perl_save: end write uuid\n";
2282	};	3705	};
2283		3706
		3707	warn "emergency_perl_save: starting sync()\n";
		3708	IO::AIO::aio_sync sub {
		3709	warn "emergency_perl_save: finished sync()\n";
		3710	};
		3711
2284	warn "leave emergency perl save\n";	3712	warn "emergency_perl_save: leave\n";
2285	}	3713	}
2286		3714
		3715	sub post_cleanup {
		3716	my ($make_core) = @_;
		3717
		3718	warn Carp::longmess "post_cleanup backtrace"
		3719	if $make_core;
		3720
		3721	my $fh = pidfile;
		3722	unlink $PIDFILE if <$fh> == $$;
		3723	}
		3724
		3725	# a safer delete_package, copied from Symbol
		3726	sub clear_package($) {
		3727	my $pkg = shift;
		3728
		3729	# expand to full symbol table name if needed
		3730	unless ($pkg =~ /^main::.*::$/) {
		3731	$pkg = "main$pkg" if $pkg =~ /^::/;
		3732	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3733	$pkg .= '::' unless $pkg =~ /::$/;
		3734	}
		3735
		3736	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3737	my $stem_symtab = *{$stem}{HASH};
		3738
		3739	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3740	or return;
		3741
		3742	# clear all symbols
		3743	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3744	for my $name (keys %$leaf_symtab) {
		3745	_gv_clear *{"$pkg$name"};
		3746	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3747	}
		3748	warn "cleared package $pkg\n";#d#
		3749	}
		3750
2287	sub reload() {	3751	sub do_reload_perl() {
2288	# can/must only be called in main	3752	# can/must only be called in main
2289	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2290	warn "can only reload from main coroutine\n";	3754	warn "can only reload from main coroutine";
2291	return;	3755	return;
2292	}	3756	}
2293		3757
		3758	return if $RELOAD++;
		3759
		3760	my $t1 = EV::time;
		3761
		3762	while ($RELOAD) {
2294	warn "reloading...";	3763	warn "reloading...";
2295		3764
2296	warn "freezing server";	3765	warn "entering sync_job";
2297	my $guard = freeze_mainloop;	3766
		3767	cf::sync_job {
		3768	cf::write_runtime_sync; # external watchdog should not bark
2298	cf::emergency_save;	3769	cf::emergency_save;
		3770	cf::write_runtime_sync; # external watchdog should not bark
2299		3771
2300	warn "sync database to disk";	3772	warn "syncing database to disk";
2301	cf::db_sync;	3773	BDB::db_env_txn_checkpoint $DB_ENV;
2302	IO::AIO::flush;
2303		3774
2304	eval {
2305	# if anything goes wrong in here, we should simply crash as we already saved	3775	# if anything goes wrong in here, we should simply crash as we already saved
2306		3776
2307	warn "cancel all watchers";	3777	warn "flushing outstanding aio requests";
2308	for (Event::all_watchers) {	3778	while (IO::AIO::nreqs || BDB::nreqs) {
2309	$_->cancel if $_->data & WF_AUTOCANCEL;	3779	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2310	}
2311
2312	warn "cancel all extension coros";
2313	$_->cancel for values %EXT_CORO;
2314	%EXT_CORO = ();
2315
2316	warn "remove commands";
2317	%COMMAND = ();
2318
2319	warn "remove ext commands";
2320	%EXTCMD = ();
2321
2322	warn "unload/nuke all extensions";
2323	for my $pkg (@EXTS) {
2324	warn "... unloading $pkg";
2325
2326	if (my $cb = $pkg->can ("unload")) {
2327	eval {
2328	$cb->($pkg);
2329	1
2330	} or warn "$pkg unloaded, but with errors: $@";
2331	}	3780	}
2332		3781
		3782	warn "cancelling all extension coros";
		3783	$_->cancel for values %EXT_CORO;
		3784	%EXT_CORO = ();
		3785
		3786	warn "removing commands";
		3787	%COMMAND = ();
		3788
		3789	warn "removing ext/exti commands";
		3790	%EXTCMD = ();
		3791	%EXTICMD = ();
		3792
		3793	warn "unloading/nuking all extensions";
		3794	for my $pkg (@EXTS) {
2333	warn "... nuking $pkg";	3795	warn "... unloading $pkg";
2334	Symbol::delete_package $pkg;
2335	}
2336		3796
2337	warn "unload all perl modules loaded from $LIBDIR";
2338	while (my ($k, $v) = each %INC) {
2339	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2340
2341	warn "removing <$k>";
2342	delete $INC{$k};
2343
2344	$k =~ s/\.pm$//;
2345	$k =~ s/\//::/g;
2346
2347	if (my $cb = $k->can ("unload_module")) {	3797	if (my $cb = $pkg->can ("unload")) {
		3798	eval {
2348	$cb->();	3799	$cb->($pkg);
		3800	1
		3801	} or warn "$pkg unloaded, but with errors: $@";
		3802	}
		3803
		3804	warn "... clearing $pkg";
		3805	clear_package $pkg;
2349	}	3806	}
2350		3807
2351	Symbol::delete_package $k;	3808	warn "unloading all perl modules loaded from $LIBDIR";
		3809	while (my ($k, $v) = each %INC) {
		3810	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3811
		3812	warn "... unloading $k";
		3813	delete $INC{$k};
		3814
		3815	$k =~ s/\.pm$//;
		3816	$k =~ s/\//::/g;
		3817
		3818	if (my $cb = $k->can ("unload_module")) {
		3819	$cb->();
		3820	}
		3821
		3822	clear_package $k;
2352	}	3823	}
2353		3824
2354	warn "get rid of safe::, as good as possible";	3825	warn "getting rid of safe::, as good as possible";
2355	Symbol::delete_package "safe::$_"	3826	clear_package "safe::$_"
2356	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3827	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2357		3828
2358	warn "unload cf.pm \"a bit\"";	3829	warn "unloading cf.pm \"a bit\"";
2359	delete $INC{"cf.pm"};	3830	delete $INC{"cf.pm"};
		3831	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2360		3832
2361	# don't, removes xs symbols, too,	3833	# don't, removes xs symbols, too,
2362	# and global variables created in xs	3834	# and global variables created in xs
2363	#Symbol::delete_package __PACKAGE__;	3835	#clear_package __PACKAGE__;
2364		3836
		3837	warn "unload completed, starting to reload now";
		3838
2365	warn "reloading cf.pm";	3839	warn "reloading cf.pm";
2366	require cf;	3840	require cf;
2367	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3841	cf::_connect_to_perl_1;
2368		3842
2369	warn "load config and database again";	3843	warn "loading config and database again";
2370	cf::cfg_load;	3844	cf::reload_config;
2371	cf::db_load;
2372		3845
2373	warn "load extensions";	3846	warn "loading extensions";
2374	cf::load_extensions;	3847	cf::load_extensions;
2375		3848
		3849	if ($REATTACH_ON_RELOAD) {
2376	warn "reattach attachments to objects/players";	3850	warn "reattaching attachments to objects/players";
2377	_global_reattach;	3851	_global_reattach; # objects, sockets
2378	warn "reattach attachments to maps";	3852	warn "reattaching attachments to maps";
2379	reattach $_ for values %MAP;	3853	reattach $_ for values %MAP;
		3854	warn "reattaching attachments to players";
		3855	reattach $_ for values %PLAYER;
		3856	}
		3857
		3858	warn "running post_init jobs";
		3859	(pop @POST_INIT)->(1) while @POST_INIT;
		3860
		3861	warn "leaving sync_job";
		3862
		3863	1
		3864	} or do {
		3865	warn $@;
		3866	cf::cleanup "error while reloading, exiting.";
		3867	};
		3868
		3869	warn "reloaded";
		3870	--$RELOAD;
		3871	}
		3872
		3873	$t1 = EV::time - $t1;
		3874	warn "reload completed in ${t1}s\n";
		3875	};
		3876
		3877	our $RELOAD_WATCHER; # used only during reload
		3878
		3879	sub reload_perl() {
		3880	# doing reload synchronously and two reloads happen back-to-back,
		3881	# coro crashes during coro_state_free->destroy here.
		3882
		3883	$RELOAD_WATCHER ||= cf::async {
		3884	Coro::AIO::aio_wait cache_extensions;
		3885
		3886	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3887	do_reload_perl;
		3888	undef $RELOAD_WATCHER;
		3889	};
2380	};	3890	};
2381		3891	}
2382	if ($@) {
2383	warn $@;
2384	warn "error while reloading, exiting.";
2385	exit 1;
2386	}
2387
2388	warn "reloaded";
2389	};
2390		3892
2391	register_command "reload" => sub {	3893	register_command "reload" => sub {
2392	my ($who, $arg) = @_;	3894	my ($who, $arg) = @_;
2393		3895
2394	if ($who->flag (FLAG_WIZ)) {	3896	if ($who->flag (FLAG_WIZ)) {
2395	$who->message ("start of reload.");
2396	reload;
2397	$who->message ("end of reload.");	3897	$who->message ("reloading server.");
		3898	async {
		3899	$Coro::current->{desc} = "perl_reload";
		3900	reload_perl;
		3901	};
2398	}	3902	}
2399	};	3903	};
2400		3904
2401	unshift @INC, $LIBDIR;	3905	unshift @INC, $LIBDIR;
2402		3906
2403	$TICK_WATCHER = Event->timer (	3907	my $bug_warning = 0;
2404	reentrant => 0,
2405	prio => 0,
2406	at => $NEXT_TICK || $TICK,
2407	data => WF_AUTOCANCEL,
2408	cb => sub {
2409	$NOW = Event::time;
2410		3908
		3909	our @WAIT_FOR_TICK;
		3910	our @WAIT_FOR_TICK_BEGIN;
		3911
		3912	sub wait_for_tick {
		3913	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3914
		3915	my $signal = new Coro::Signal;
		3916	push @WAIT_FOR_TICK, $signal;
		3917	$signal->wait;
		3918	}
		3919
		3920	sub wait_for_tick_begin {
		3921	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3922
		3923	my $signal = new Coro::Signal;
		3924	push @WAIT_FOR_TICK_BEGIN, $signal;
		3925	$signal->wait;
		3926	}
		3927
		3928	sub tick {
		3929	if ($Coro::current != $Coro::main) {
		3930	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3931	unless ++$bug_warning > 10;
		3932	return;
		3933	}
		3934
2411	cf::server_tick; # one server iteration	3935	cf::server_tick; # one server iteration
2412	$RUNTIME += $TICK;
2413	$NEXT_TICK += $TICK;
2414		3936
2415	$WAIT_FOR_TICK->broadcast;	3937	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2416	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2417		3938
2418	# if we are delayed by four ticks or more, skip them all	3939	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2419	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3940	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2420		3941	Coro::async_pool {
2421	$TICK_WATCHER->at ($NEXT_TICK);	3942	$Coro::current->{desc} = "runtime saver";
2422	$TICK_WATCHER->start;
2423	},
2424	);
2425
2426	IO::AIO::max_poll_time $TICK * 0.2;
2427
2428	$AIO_POLL_WATCHER = Event->io (
2429	fd => IO::AIO::poll_fileno,
2430	poll => 'r',
2431	prio => 5,
2432	data => WF_AUTOCANCEL,
2433	cb => \&IO::AIO::poll_cb,
2434	);
2435
2436	$WRITE_RUNTIME_WATCHER = Event->timer (
2437	data => WF_AUTOCANCEL,
2438	after => 0,
2439	interval => 10,
2440	cb => sub {
2441	(Coro::unblock_sub {
2442	write_runtime	3943	write_runtime_sync
2443	or warn "ERROR: unable to write runtime file: $!";	3944	or warn "ERROR: unable to write runtime file: $!";
2444	})->();	3945	};
2445	},	3946	}
2446	);	3947
		3948	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3949	$sig->send;
		3950	}
		3951	while (my $sig = shift @WAIT_FOR_TICK) {
		3952	$sig->send;
		3953	}
		3954
		3955	$LOAD = ($NOW - $TICK_START) / $TICK;
		3956	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3957
		3958	if (0) {
		3959	if ($NEXT_TICK) {
		3960	my $jitter = $TICK_START - $NEXT_TICK;
		3961	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3962	warn "jitter $JITTER\n";#d#
		3963	}
		3964	}
		3965	}
		3966
		3967	{
		3968	# configure BDB
		3969
		3970	BDB::min_parallel 16;
		3971	BDB::max_poll_reqs $TICK * 0.1;
		3972	$AnyEvent::BDB::WATCHER->priority (1);
		3973
		3974	unless ($DB_ENV) {
		3975	$DB_ENV = BDB::db_env_create;
		3976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3977	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3978	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3979	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3980	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3981
		3982	cf::sync_job {
		3983	eval {
		3984	BDB::db_env_open
		3985	$DB_ENV,
		3986	$BDBDIR,
		3987	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3988	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3989	0666;
		3990
		3991	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3992	};
		3993
		3994	cf::cleanup "db_env_open(db): $@" if $@;
		3995	};
		3996	}
		3997
		3998	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3999	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4000	};
		4001	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4002	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4003	};
		4004	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4005	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4006	};
		4007	}
		4008
		4009	{
		4010	# configure IO::AIO
		4011
		4012	IO::AIO::min_parallel 8;
		4013	IO::AIO::max_poll_time $TICK * 0.1;
		4014	undef $AnyEvent::AIO::WATCHER;
		4015	}
		4016
		4017	my $_log_backtrace;
		4018
		4019	sub _log_backtrace {
		4020	my ($msg, @addr) = @_;
		4021
		4022	$msg =~ s/\n//;
		4023
		4024	# limit the # of concurrent backtraces
		4025	if ($_log_backtrace < 2) {
		4026	++$_log_backtrace;
		4027	my $perl_bt = Carp::longmess $msg;
		4028	async {
		4029	$Coro::current->{desc} = "abt $msg";
		4030
		4031	my @bt = fork_call {
		4032	@addr = map { sprintf "%x", $_ } @addr;
		4033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4035	or die "addr2line: $!";
		4036
		4037	my @funcs;
		4038	my @res = <$fh>;
		4039	chomp for @res;
		4040	while (@res) {
		4041	my ($func, $line) = splice @res, 0, 2, ();
		4042	push @funcs, "[$func] $line";
		4043	}
		4044
		4045	@funcs
		4046	};
		4047
		4048	LOG llevInfo, "[ABT] $perl_bt\n";
		4049	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4050	LOG llevInfo, "[ABT] $_\n" for @bt;
		4051	--$_log_backtrace;
		4052	};
		4053	} else {
		4054	LOG llevInfo, "[ABT] $msg\n";
		4055	LOG llevInfo, "[ABT] [suppressed]\n";
		4056	}
		4057	}
		4058
		4059	# load additional modules
		4060	require "cf/$_.pm" for @EXTRA_MODULES;
		4061	cf::_connect_to_perl_2;
2447		4062
2448	END { cf::emergency_save }	4063	END { cf::emergency_save }
2449		4064
2450	1	4065	1
2451		4066

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