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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.508 by root, Sun Mar 28 22:29:50 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Socket;	31	use Socket;
9	use Storable;	32	use EV;
10	use Event;
11	use Opcode;	33	use Opcode;
12	use Safe;	34	use Safe;
13	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
14		38
		39	use Guard ();
15	use Coro 3.61 ();	40	use Coro ();
16	use Coro::State;	41	use Coro::State;
17	use Coro::Handle;	42	use Coro::Handle;
		43	use Coro::EV;
18	use Coro::Event;	44	use Coro::AnyEvent;
19	use Coro::Timer;	45	use Coro::Timer;
20	use Coro::Signal;	46	use Coro::Signal;
21	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
22	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
23	use Coro::Storable;	52	use Coro::Storable;
		53	use Coro::Util ();
24		54
		55	use JSON::XS 2.01 ();
25	use BDB ();	56	use BDB ();
26	use Data::Dumper;	57	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	58	use Fcntl;
29	use YAML::Syck ();	59	use YAML::XS ();
30	use IO::AIO 2.32 ();	60	use IO::AIO ();
31	use Time::HiRes;	61	use Time::HiRes;
32	use Compress::LZF;	62	use Compress::LZF;
		63	use Digest::MD5 ();
		64
		65	AnyEvent::detect;
33		66
34	# configure various modules to our taste	67	# configure various modules to our taste
35	#	68	#
36	$Storable::canonical = 1; # reduce rsync transfers	69	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		77
40	$Event::Eval = 1; # no idea why this is required, but it is	78	# strictly for debugging
41		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		80
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
60		112
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	115	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
68		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
69	our $BDB_POLL_WATCHER;	120	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
71		124
72	our %CFG;	125	our %CFG;
73		126
74	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
76		130
77	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	133	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		134
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $REALLY_UNLOOP; # never set to true, please :)
		147
86	binmode STDOUT;	148	binmode STDOUT;
87	binmode STDERR;	149	binmode STDERR;
88		150
89	# read virtual server time, if available	151	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
91	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
92	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
93	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
94	}	156	}
95		157
96	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
97	mkdir cf::localdir . "/" . cf::playerdir;	159
98	mkdir cf::localdir . "/" . cf::tmpdir;	160	mkdir $_
99	mkdir cf::localdir . "/" . cf::uniquedir;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		162
103	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
104		164
105	sub cf::map::normalise;	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::"} };
106		177
107	#############################################################################	178	#############################################################################
108		179
109	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
110		181
…		…
117	=item $cf::RUNTIME	188	=item $cf::RUNTIME
118		189
119	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
120	every server tick.	191	every server tick.
121		192
122	=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
123		196
124	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		201
127	=item $cf::NOW	202	=item $cf::NOW
128		203
129	The time of the last (current) server tick.	204	The time of the last (current) server tick.
130		205
131	=item $cf::TICK	206	=item $cf::TICK
132		207
133	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	220	=item %cf::CFG
136		221
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	223	from wherever your confdir points to.
139		224
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		226
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	228	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
146	=back	243	=back
147		244
148	=cut	245	=cut
149		246
150	BEGIN {	247	$Coro::State::WARNHOOK = sub {
151	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	248	my $msg = join "", @_;
153		249
154	$msg .= "\n"	250	$msg .= "\n"
155	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
156		252
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		254
159	utf8::encode $msg;
160	LOG llevError, $msg;	255	LOG llevError, $msg;
161	};	256	};
162	}	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	};
163		271
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		279
171	# 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
172	# within the Safe compartment.	281	# within the Safe compartment.
173	for my $pkg (qw(	282	for my $pkg (qw(
174	cf::global cf::attachable	283	cf::global cf::attachable
175	cf::object cf::object::player	284	cf::object cf::object::player
176	cf::client cf::player	285	cf::client cf::player
177	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
178	cf::map cf::party cf::region	288	cf::party cf::region
179	)) {	289	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	291	}
183		292
184	$Event::DIED = sub {	293	$EV::DIED = sub {
185	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
186	};	295	};
		296
		297	#############################################################################
187		298
188	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
189		300
190	=over 4	301	=over 4
191		302
…		…
210	$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;
211	$d	322	$d
212	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
213	}	324	}
214		325
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
218		327
219	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
220		329
221	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
222		331
223	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
224		333
		334	=cut
		335
		336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		337
		338	sub encode_json($) { $json_coder->encode ($_[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;
		353	}
		354
225	=item cf::lock_wait $string	355	=item cf::lock_wait $string
226		356
227	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
228		358
229	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
230		360
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
234	returned.	364	returned.
235		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
236	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
237	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
238		371
239	=cut	372	=item $locked = cf::lock_active $string
240		373
241	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
242		379
243	sub lock_wait($) {	380	sub lock_wait($) {
244	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
245
246	# wait for lock, if any
247	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;
250	}
251	}	382	}
252		383
253	sub lock_acquire($) {	384	sub lock_acquire($) {
254	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
255		387
256	# wait, to be sure we are not locked	388	sub lock_active($) {
257	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
258
259	$LOCK{$key} = [];
260
261	Coro::guard {
262	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };
264	}
265	}	390	}
266		391
267	sub freeze_mainloop {	392	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
269		394
270	my $guard = Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
271	$TICK_WATCHER->start;	396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
272	};	462	}
273	$TICK_WATCHER->stop;	463	};
274	$guard	464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
275	}	478	}
276		479
277	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
278		481
279	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		487
285	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
286		489
287	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
288		491
289	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
292		496
293	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
296	fast or be very important.	500	fast or be very important.
…		…
299		503
300	sub sync_job(&) {	504	sub sync_job(&) {
301	my ($job) = @_;	505	my ($job) = @_;
302		506
303	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
304	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
306		512
307	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	514
309	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
310		516
311	my $busy = 1;	517	my $busy = 1;
312	my @res;	518	my @res;
313		519
314	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	522	@res = eval { $job->() };
316	warn $@ if $@;	523	warn $@ if $@;
317	undef $busy;	524	undef $busy;
318	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
319		526
320	while ($busy) {	527	while ($busy) {
321	Coro::cede or Event::one_event;	528	if (Coro::nready) {
		529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
322	}	532	}
		533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
323		538
324	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
325	} else {	540	} else {
326	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
327		542
…		…
347	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
348		563
349	$coro	564	$coro
350	}	565	}
351		566
352	sub write_runtime {	567	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		568
355	my $runtime = cf::localdir . "/runtime";	569	Executes the given code block with the given arguments in a seperate
		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.
356		573
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	574	=cut
358	or return;
359		575
360	my $value = $cf::RUNTIME + 90 + 10;	576	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	577	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		578
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	579	# we seemingly have to make a local copy of the whole thing,
365	and return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
366		582
367	# always fsync - this file is important	583	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	584	reset_signals;
369	and return;	585	&$cb
		586	}, @args;
370		587
371	close $fh	588	wantarray ? @res : $res[-1]
372	or return;	589	}
373		590
374	aio_rename "$runtime~", $runtime	591	=item $coin = coin_from_name $name
375	and return;
376		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		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($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
377	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		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"
378	}	743	}
379		744
380	=item cf::datalog type => key => value, ...	745	=item cf::datalog type => key => value, ...
381		746
382	Log a datalog packet of the given type with the given key-value pairs.	747	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		759
395	#############################################################################	760	#############################################################################
396		761
397	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
398		763
399	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
400	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")
401	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
402		767
403	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>
404	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
405	crossfire+).	770	Deliantra).
406		771
407	=over 4	772	=over 4
408		773
409	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
410		775
…		…
454	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
455		820
456	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
458		823
459	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
460	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.
461		826
462	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
463		828
464	=over 4	829	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
574		939
575	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		944
580	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	946	my $pkg = shift @arg;
582		947
583	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
613	}	978	}
614		979
615	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
616	} else {	981	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	983	}
619		984
620	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
621	}	986	}
622		987
…		…
624	if (ref $_[0]) {	989	if (ref $_[0]) {
625	_object_attach @_;	990	_object_attach @_;
626	} else {	991	} else {
627	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
628	}	993	}
		994	_recalc_want;
629	};	995	};
630		996
631	# all those should be optimised	997	# all those should be optimised
632	sub cf::attachable::detach {	998	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
637	reattach ($obj);	1003	reattach ($obj);
638	} else {	1004	} else {
639	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
640	}	1006	}
		1007	_recalc_want;
641	};	1008	};
642		1009
643	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
645		1012
…		…
660	";	1027	";
661	die if $@;	1028	die if $@;
662	}	1029	}
663		1030
664	our $override;	1031	our $override;
665	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?
666		1033
667	sub override {	1034	sub override {
668	$override = 1;	1035	$override = 1;
669	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
670	}	1037	}
671		1038
672	sub do_invoke {	1039	sub do_invoke {
673	my $event = shift;	1040	my $event = shift;
674	my $callbacks = shift;	1041	my $callbacks = shift;
675		1042
676	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
677		1044
678	local $override;	1045	local $override;
679		1046
680	for (@$callbacks) {	1047	for (@$callbacks) {
681	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
690	}	1057	}
691		1058
692	0	1059	0
693	}	1060	}
694		1061
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1063
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1065
699	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
700		1067
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1071
705	=back	1072	=back
706		1073
707	=cut	1074	=cut
708		1075
709	#############################################################################	1076	#############################################################################
710	# 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, $ob2
		1119	}
711		1120
712	sub reattach {	1121	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1123	my ($obj) = @_;
715		1124
		1125	# no longer needed after getting rid of delete_package?
716	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
717		1127
718	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
719		1129
720	@$registry = ();	1130	@$registry = ();
721		1131
…		…
736	cf::attachable->attach (	1146	cf::attachable->attach (
737	prio => -1000000,	1147	prio => -1000000,
738	on_instantiate => sub {	1148	on_instantiate => sub {
739	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
740		1150
741	$data = from_json $data;	1151	$data = decode_json $data;
742		1152
743	for (@$data) {	1153	for (@$data) {
744	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
745		1155
746	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1172	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
764		1174
765	sync_job {	1175	sync_job {
766	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
769		1180
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1184	if ($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;
		1186	aio_fsync $fh;
		1187	}
774	close $fh;	1188	aio_close $fh;
775		1189
776	if (@$objs) {	1190	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1195	if ($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;
		1197	aio_fsync $fh;
		1198	}
782	close $fh;	1199	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
784	}	1201	}
785	} else {	1202	} else {
786	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
787	}	1204	}
788		1205
789	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1210	} else {
791	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
792	}	1212	}
793	} else {	1213	} else {
794	aio_unlink $filename;	1214	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
796	}	1216	}
797	}	1217	};
798	}	1218	}
799		1219
800	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
802		1222
…		…
814	or return;	1234	or return;
815		1235
816	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
818	or return;	1238	or return;
		1239
819	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
820	}	1242	}
821		1243
		1244	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
824	return ($data, $av);	1248	($data, $av)
825	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
826		1256
827	#############################################################################	1257	#############################################################################
828	# command handling &c	1258	# command handling &c
829		1259
830	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1274	}
845		1275
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1277
848	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.
849		1283
850	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
851	called.	1285	called.
852		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
853	=cut	1298	=cut
854		1299
855	sub register_extcmd {	1300	sub register_extcmd {
856	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
857		1302
858	$EXTCMD{$name} = $cb;	1303	$EXTCMD{$name} = $cb;
859	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
860		1313
861	cf::player->attach (	1314	cf::player->attach (
862	on_command => sub {	1315	on_command => sub {
863	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
864		1317
…		…
872	cf::override;	1325	cf::override;
873	},	1326	},
874	on_extcmd => sub {	1327	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
876		1329
877	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1331
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
885	} else {	1347	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1349	}
888		1350
889	cf::override;	1351	cf::override;
890	},	1352	},
891	);	1353	);
892		1354
		1355	# "readahead" all extensions
893	sub load_extension {	1356	sub cache_extensions {
894	my ($path) = @_;	1357	my $grp = IO::AIO::aio_group;
895		1358
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
897	my $base = $1;	1360	for (grep /\.ext$/, @{$_[0]}) {
898	my $pkg = $1;	1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}	1362	}
921	die $@;
922	}	1363	};
923		1364
924	push @EXTS, $pkg;	1365	$grp
925	}	1366	}
926		1367
927	sub load_extensions {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
928	for my $ext (<$LIBDIR/*.ext>) {	1372	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1373	next unless -r $path;
930	eval {	1374
931	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 $active;
		1434	}
932	1	1435	}
933	} or warn "$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	}
934	}	1446	};
935	}	1447	}
936		1448
937	#############################################################################	1449	#############################################################################
938		1450
		1451	=back
		1452
939	=head2 CORE EXTENSIONS	1453	=head2 CORE EXTENSIONS
940		1454
941	Functions and methods that extend core crossfire objects.	1455	Functions and methods that extend core deliantra objects.
942		1456
943	=cut	1457	=cut
944		1458
945	package cf::player;	1459	package cf::player;
946		1460
…		…
948		1462
949	=head3 cf::player	1463	=head3 cf::player
950		1464
951	=over 4	1465	=over 4
952		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
953	=item cf::player::find $login	1481	=item cf::player::find $login
954		1482
955	Returns the given player object, loading it if necessary (might block).	1483	Returns the given player object, loading it if necessary (might block).
956		1484
957	=cut	1485	=cut
958		1486
959	sub playerdir($) {	1487	sub playerdir($) {
960	cf::localdir	1488	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1490	}
966		1491
967	sub path($) {	1492	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1503
979	sub exists($) {	1504	sub exists($) {
980	my ($login) = @_;	1505	my ($login) = @_;
981		1506
982	$cf::PLAYER{$login}	1507	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1508	or !aio_stat path $login
984	}	1509	}
985		1510
986	sub find($) {	1511	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1512	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1513	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1523	aio_unlink +(playerdir $login) . "/$login.pl";
999		1524
1000	my $pl = load_pl path $login	1525	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1533	$cf::PLAYER{$login} = $pl
1003	}	1534	}
1004	}	1535	}
1005	}	1536	}
1006		1537
…		…
1015	return if $pl->{deny_save};	1546	return if $pl->{deny_save};
1016		1547
1017	aio_mkdir playerdir $pl, 0770;	1548	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1549	$pl->{last_save} = $cf::RUNTIME;
1019		1550
		1551	cf::get_slot 0.01;
		1552
1020	$pl->save_pl ($path);	1553	$pl->save_pl ($path);
1021	Coro::cede;	1554	cf::cede_to_tick;
1022	}	1555	}
1023		1556
1024	sub new($) {	1557	sub new($) {
1025	my ($login) = @_;	1558	my ($login) = @_;
1026		1559
…		…
1032	$cf::PLAYER{$login} = $self;	1565	$cf::PLAYER{$login} = $self;
1033		1566
1034	$self	1567	$self
1035	}	1568	}
1036		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
1037	=item $pl->quit_character	1580	=item $pl->quit_character
1038		1581
1039	Nukes the player without looking back. If logged in, the connection will	1582	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1583	be destroyed. May block for a long time.
1041		1584
…		…
1045	my ($pl) = @_;	1588	my ($pl) = @_;
1046		1589
1047	my $name = $pl->ob->name;	1590	my $name = $pl->ob->name;
1048		1591
1049	$pl->{deny_save} = 1;	1592	$pl->{deny_save} = 1;
1050	$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
1051		1594
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1600	$pl->ns->destroy if $pl->ns;
1056		1601
1057	my $path = playerdir $pl;	1602	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1603	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1633	while and may block, so not sync_job-capable, ever.
1089		1634
1090	=cut	1635	=cut
1091		1636
1092	sub list_logins {	1637	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1638	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1639	or return [];
1095		1640
1096	my @logins;	1641	my @logins;
1097		1642
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1650	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
1102		1653
1103	utf8::decode $login;	1654	utf8::decode $login;
1104	push @logins, $login;	1655	push @logins, $login;
1105	}	1656	}
1106		1657
…		…
1133	}	1684	}
1134		1685
1135	\@paths	1686	\@paths
1136	}	1687	}
1137		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
1138	=item $player->ext_reply ($msgid, %msg)	1693	=item $player->ext_reply ($msgid, @msg)
1139		1694
1140	Sends an ext reply to the player.	1695	Sends an ext reply to the player.
1141		1696
1142	=cut	1697	=cut
1143		1698
1144	sub ext_reply($$%) {	1699	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1700	my ($self, $id, @msg) = @_;
1146		1701
1147	$msg{msgid} = $id;	1702	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1703	}
1151		1704
1152	=item $player->ext_event ($type, %msg)	1705	=item $player->ext_msg ($type, @msg)
1153		1706
1154	Sends an ext event to the client.	1707	Sends an ext event to the client.
1155		1708
1156	=cut	1709	=cut
1157		1710
1158	sub ext_event($$%) {	1711	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1712	my ($self, $type, @msg) = @_;
1160		1713
1161	$self->ns->ext_event ($type, %msg);	1714	$self->ns->ext_msg ($type, @msg);
1162	}	1715	}
1163		1716
1164	=head3 cf::region	1717	=head3 cf::region
1165		1718
1166	=over 4	1719	=over 4
…		…
1169		1722
1170	package cf::region;	1723	package cf::region;
1171		1724
1172	=item cf::region::find_by_path $path	1725	=item cf::region::find_by_path $path
1173		1726
1174	Tries to decuce the probable region for a map knowing only its path.	1727	Tries to decuce the likely region for a map knowing only its path.
1175		1728
1176	=cut	1729	=cut
1177		1730
1178	sub find_by_path($) {	1731	sub find_by_path($) {
1179	my ($path) = @_;	1732	my ($path) = @_;
1180		1733
1181	my ($match, $specificity);	1734	my ($match, $specificity);
1182		1735
1183	for my $region (list) {	1736	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1737	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1738	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1739	if $region->specificity > $specificity;
1187	}	1740	}
1188	}	1741	}
1189		1742
…		…
1210	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1212		1765
1213	sub generate_random_map {	1766	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1770
1215	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1772	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1221	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1222	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1253	my ($self, $merge) = @_;	1809	my ($self, $merge) = @_;
1254		1810
1255	# we have to keep some variables in memory intact	1811	# we have to keep some variables in memory intact
1256	local $self->{path};	1812	local $self->{path};
1257	local $self->{load_path};	1813	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1814
1261	$self->SUPER::thawer_merge ($merge);	1815	$self->SUPER::thawer_merge ($merge);
1262	}	1816	}
1263		1817
1264	sub normalise {	1818	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1865	$self->init; # pass $1 etc.
1312	return $self;	1866	return $self;
1313	}	1867	}
1314	}	1868	}
1315		1869
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1871	()
1318	}	1872	}
1319		1873
1320	sub init {	1874	sub init {
1321	my ($self) = @_;	1875	my ($self) = @_;
…		…
1336		1890
1337	# the original (read-only) location	1891	# the original (read-only) location
1338	sub load_path {	1892	sub load_path {
1339	my ($self) = @_;	1893	my ($self) = @_;
1340		1894
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1895	"$MAPDIR/$self->{path}.map"
1342	}	1896	}
1343		1897
1344	# the temporary/swap location	1898	# the temporary/swap location
1345	sub save_path {	1899	sub save_path {
1346	my ($self) = @_;	1900	my ($self) = @_;
1347		1901
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1903	"$TMPDIR/$path.map"
1350	}	1904	}
1351		1905
1352	# the unique path, undef == no special unique path	1906	# the unique path, undef == no special unique path
1353	sub uniq_path {	1907	sub uniq_path {
1354	my ($self) = @_;	1908	my ($self) = @_;
1355		1909
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1911	"$UNIQUEDIR/$path"
1358	}	1912	}
1359		1913
1360	# and all this just because we cannot iterate over	1914	sub decay_objects {
1361	# all maps in C++...
1362	sub change_all_map_light {
1363	my ($change) = @_;	1915	my ($self) = @_;
1364		1916
1365	$_->change_map_light ($change)	1917	return if $self->{deny_reset};
1366	for grep $_->outdoor, values %cf::MAP;	1918
		1919	$self->do_decay_objects;
1367	}	1920	}
1368		1921
1369	sub unlink_save {	1922	sub unlink_save {
1370	my ($self) = @_;	1923	my ($self) = @_;
1371		1924
…		…
1376		1929
1377	sub load_header_from($) {	1930	sub load_header_from($) {
1378	my ($self, $path) = @_;	1931	my ($self, $path) = @_;
1379		1932
1380	utf8::encode $path;	1933	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1935	or return;
		1936
		1937	$self->_load_header ($f)
		1938	or return;
		1939
		1940	local $MAP_LOADING{$self->{path}} = $self;
		1941	$f->resolve_delayed_derefs;
1386		1942
1387	$self->{load_path} = $path;	1943	$self->{load_path} = $path;
1388		1944
1389	1	1945	1
1390	}	1946	}
…		…
1429	$self->load_header_orig	1985	$self->load_header_orig
1430	or return;	1986	or return;
1431	$self->prepare_orig;	1987	$self->prepare_orig;
1432	}	1988	}
1433		1989
		1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
		1992
1434	$self->default_region (cf::region::find_by_path $self->{path})	1993	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1994	unless $self->default_region;
1436		1995
1437	1	1996	1
1438	}	1997	}
…		…
1441	sub find {	2000	sub find {
1442	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1443		2002
1444	$path = normalise $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1445		2004
		2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1447		2007
1448	$cf::MAP{$path} || do {	2008	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";
1450	my $map = new_from_path cf::map $path	2009	my $map = new_from_path cf::map $path
1451	or return;	2010	or return;
1452		2011
1453	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1454		2013
1455	$map->load_header	2014	$map->load_header
1456	or return;	2015	or return;
1457		2016
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2018	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1461	$map->reset;	2022	$map->reset;
1462	undef $guard;
1463	return find $path;	2023	return find $path;
1464	}	2024	}
1465		2025
1466	$cf::MAP{$path} = $map	2026	$cf::MAP{$path} = $map
1467	}	2027	}
1468	}	2028	}
1469		2029
1470	sub pre_load { }	2030	sub pre_load { }
1471	sub post_load { }	2031	#sub post_load { } # XS
1472		2032
1473	sub load {	2033	sub load {
1474	my ($self) = @_;	2034	my ($self) = @_;
1475		2035
1476	local $self->{deny_reset} = 1; # loading can take a long time	2036	local $self->{deny_reset} = 1; # loading can take a long time
1477		2037
1478	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2041	my $guard = cf::lock_acquire "map_data:$path";
1480		2042
		2043	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2045
1483	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1484		2047
1485	$self->alloc;	2048	$self->alloc;
1486		2049
1487	$self->pre_load;	2050	$self->pre_load;
1488	Coro::cede;	2051	cf::cede_to_tick;
1489		2052
1490	$self->_load_objects ($self->{load_path}, 1)	2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1491	or return;	2056	or return;
1492		2057
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1494	if delete $self->{load_original};	2059	if delete $self->{load_original};
1495		2060
1496	if (my $uniq = $self->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2062	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2065	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1501	}	2069	}
1502	}	2070	}
1503		2071
1504	Coro::cede;	2072	$f->resolve_delayed_derefs;
		2073
		2074	cf::cede_to_tick;
1505	# now do the right thing for maps	2075	# now do the right thing for maps
1506	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2078	unless $self->difficulty;
1517	Coro::cede;	2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1518	$self->activate;	2086	$self->activate;
1519	Coro::cede;	2087	}
		2088
		2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
		2091
		2092	$self->in_memory (cf::MAP_ACTIVE);
1520	}	2093	}
1521		2094
1522	$self->post_load;	2095	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2096	}
1527		2097
		2098	# customize the map for a given player, i.e.
		2099	# return the _real_ map. used by e.g. per-player
		2100	# maps to change the path to ~playername/mappath
1528	sub customise_for {	2101	sub customise_for {
1529	my ($self, $ob) = @_;	2102	my ($self, $ob) = @_;
1530		2103
1531	return find "~" . $ob->name . "/" . $self->{path}	2104	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2105	if $self->per_player;
1533		2106
		2107	# return find "?party/" . $ob->name . "/" . $self->{path}
		2108	# if $self->per_party;
		2109
1534	$self	2110	$self
1535	}	2111	}
1536		2112
1537	# find and load all maps in the 3x3 area around a map	2113	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2114	sub load_neighbours {
1539	my ($map) = @_;	2115	my ($map) = @_;
1540		2116
1541	my @diag; # diagonal neighbours	2117	my @neigh; # diagonal neighbours
1542		2118
1543	for (0 .. 3) {	2119	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2120	my $neigh = $map->tile_path ($_)
1545	or next;	2121	or next;
1546	$neigh = find $neigh, $map	2122	$neigh = find $neigh, $map
1547	or next;	2123	or next;
1548	$neigh->load;	2124	$neigh->load;
1549		2125
		2126	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2127	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2128	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2129	}
1553		2130
1554	for (@diag) {	2131	for (grep defined $_->[0], @neigh) {
		2132	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2133	my $neigh = find $path, $origin
1556	or next;	2134	or next;
1557	$neigh->load;	2135	$neigh->load;
1558	}	2136	}
1559	}	2137	}
1560		2138
…		…
1565	}	2143	}
1566		2144
1567	sub do_load_sync {	2145	sub do_load_sync {
1568	my ($map) = @_;	2146	my ($map) = @_;
1569		2147
		2148	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2149	if $Coro::current == $Coro::main;
		2150
1570	cf::sync_job { $map->load };	2151	cf::sync_job { $map->load };
1571	}	2152	}
1572		2153
1573	our %MAP_PREFETCH;	2154	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2155	our $MAP_PREFETCHER = undef;
1575		2156
1576	sub find_async {	2157	sub find_async {
1577	my ($path, $origin) = @_;	2158	my ($path, $origin, $load) = @_;
1578		2159
1579	$path = normalise $path, $origin && $origin->{path};	2160	$path = normalise $path, $origin && $origin->{path};
1580		2161
1581	if (my $map = $cf::MAP{$path}) {	2162	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2163	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583	}	2164	}
1584		2165
1585	undef $MAP_PREFETCH{$path};	2166	$MAP_PREFETCH{$path} |= $load;
		2167
1586	$MAP_PREFETCHER ||= cf::async {	2168	$MAP_PREFETCHER ||= cf::async {
		2169	$Coro::current->{desc} = "map prefetcher";
		2170
1587	while (%MAP_PREFETCH) {	2171	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2172	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2173	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2174	$map->load if $v;
		2175	}
1592		2176
1593	delete $MAP_PREFETCH{$path};	2177	delete $MAP_PREFETCH{$k};
1594	}	2178	}
1595	}	2179	}
1596	undef $MAP_PREFETCHER;	2180	undef $MAP_PREFETCHER;
1597	};	2181	};
1598	$MAP_PREFETCHER->prio (6);	2182	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2185	}
1602		2186
1603	sub save {	2187	sub save {
1604	my ($self) = @_;	2188	my ($self) = @_;
1605		2189
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2190	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2191
1608	$self->{last_save} = $cf::RUNTIME;	2192	$self->{last_save} = $cf::RUNTIME;
1609		2193
1610	return unless $self->dirty;	2194	return unless $self->dirty;
1611		2195
…		…
1617	return if $self->{deny_save};	2201	return if $self->{deny_save};
1618		2202
1619	local $self->{last_access} = $self->last_access;#d#	2203	local $self->{last_access} = $self->last_access;#d#
1620		2204
1621	cf::async {	2205	cf::async {
		2206	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2207	$_->contr->save for $self->players;
1623	};	2208	};
		2209
		2210	cf::get_slot 0.02;
1624		2211
1625	if ($uniq) {	2212	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2214	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1628	} else {	2215	} else {
…		…
1634	my ($self) = @_;	2221	my ($self) = @_;
1635		2222
1636	# save first because save cedes	2223	# save first because save cedes
1637	$self->save;	2224	$self->save;
1638		2225
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2227
1641	return if $self->players;	2228	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2229	return if $self->in_memory != cf::MAP_ACTIVE;
1643	return if $self->{deny_save};	2230	return if $self->{deny_save};
1644		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	$self->deactivate;
		2235	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2236	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2237	}
1648		2238
1649	sub reset_at {	2239	sub reset_at {
1650	my ($self) = @_;	2240	my ($self) = @_;
1651		2241
1652	# TODO: safety, remove and allow resettable per-player maps	2242	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2243	return 1e99 if $self->{deny_reset};
1655		2244
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2245	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2246	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2247
…		…
1669	my ($self) = @_;	2258	my ($self) = @_;
1670		2259
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2261
1673	return if $self->players;	2262	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2263
1676	warn "resetting map ", $self->path;#d#	2264	warn "resetting map ", $self->path, "\n";
1677		2265
1678	$self->in_memory (cf::MAP_SWAPPED);	2266	$self->in_memory (cf::MAP_SWAPPED);
1679		2267
1680	# need to save uniques path	2268	# need to save uniques path
1681	unless ($self->{deny_save}) {	2269	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2273	if $uniq;
1686	}	2274	}
1687		2275
1688	delete $cf::MAP{$self->path};	2276	delete $cf::MAP{$self->path};
1689		2277
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2280	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2281
1694	$self->unlink_save;	2282	$self->unlink_save;
1695	$self->destroy;	2283	$self->destroy;
1696	}	2284	}
1697		2285
1698	my $nuke_counter = "aaaa";	2286	my $nuke_counter = "aaaa";
1699		2287
1700	sub nuke {	2288	sub nuke {
1701	my ($self) = @_;	2289	my ($self) = @_;
1702		2290
		2291	{
		2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2293
1703	delete $cf::MAP{$self->path};	2294	delete $cf::MAP{$self->path};
1704		2295
1705	$self->unlink_save;	2296	$self->unlink_save;
1706		2297
1707	bless $self, "cf::map";	2298	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2299	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2300	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2301	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2302	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2303
1713	$cf::MAP{$self->path} = $self;	2304	$cf::MAP{$self->path} = $self;
		2305	}
1714		2306
1715	$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	]
1716	}	2344	}
1717		2345
1718	=item cf::map::unique_maps	2346	=item cf::map::unique_maps
1719		2347
1720	Returns an arrayref of paths of all shared maps that have	2348	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2349	instantiated unique items. May block.
1722		2350
1723	=cut	2351	=cut
1724		2352
1725	sub unique_maps() {	2353	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2354	[
1727	or return;	2355	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2356	utf8::decode $_;
1733	next if /\.pst$/;	2357	s/\.map$//; # TODO future compatibility hack
1734	next unless /^$PATH_SEP/o;	2358	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735		2359	? ()
1736	push @paths, cf::map::normalise $_;	2360	: normalise $_
		2361	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2362	]
1738
1739	\@paths
1740	}	2363	}
1741		2364
1742	package cf;	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) {
		2386	s/\.map$// or next;
		2387	utf8::decode $_;
		2388	push @maps, "$dir/$_";
		2389	}
		2390
		2391	push @dirs, map "$dir/$_", @$dirs;
		2392	}
		2393
		2394	\@maps
		2395	}
1743		2396
1744	=back	2397	=back
1745		2398
1746	=head3 cf::object	2399	=head3 cf::object
1747		2400
…		…
1751		2404
1752	=over 4	2405	=over 4
1753		2406
1754	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1755		2408
1756	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.
1757		2411
1758	=cut	2412	=cut
1759		2413
1760	sub inv_recursive_;	2414	sub inv_recursive_;
1761	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1764		2418
1765	sub inv_recursive {	2419	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1767	}	2421	}
1768		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
1769	package cf;	2451	package cf;
1770		2452
1771	=back	2453	=back
1772		2454
1773	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1779	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>
1780	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
1781	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1782		2464
1783	=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	};
1784		2480
1785	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1786	# with dialog boxes.	2482	# with dialog boxes.
1787	#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
1788	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1790		2486
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2488
1793	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1798	}	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 (@_);
1799	}	2514	}
1800		2515
1801	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1802		2517
1803	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1816		2531
1817	=item $player_object->enter_link	2532	=item $player_object->enter_link
1818		2533
1819	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}>).
1820		2535
1821	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.
1822	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.
1823		2540
1824	Will never block.	2541	Will never block.
1825		2542
1826	=item $player_object->leave_link ($map, $x, $y)	2543	=item $player_object->leave_link ($map, $x, $y)
1827		2544
…		…
1850	$self->deactivate_recursive;	2567	$self->deactivate_recursive;
1851		2568
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2569	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2570
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2572	if $self->map && $self->map->{path} ne "{link}";
1856		2573
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2575	}
1859		2576
1860	sub cf::object::player::leave_link {	2577	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2578	my ($self, $map, $x, $y) = @_;
		2579
		2580	return unless $self->contr->active;
1862		2581
1863	my $link_pos = delete $self->{_link_pos};	2582	my $link_pos = delete $self->{_link_pos};
1864		2583
1865	unless ($map) {	2584	unless ($map) {
1866	# restore original map position	2585	# restore original map position
…		…
1877	($x, $y) = (-1, -1)	2596	($x, $y) = (-1, -1)
1878	unless (defined $x) && (defined $y);	2597	unless (defined $x) && (defined $y);
1879		2598
1880	# use -1 or undef as default coordinates, not 0, 0	2599	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2600	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2601	if $x <= 0 && $y <= 0;
1883		2602
1884	$map->load;	2603	$map->load;
1885	$map->load_diag;	2604	$map->load_neighbours;
1886		2605
1887	return unless $self->contr->active;	2606	return unless $self->contr->active;
1888	$self->activate_recursive;
1889		2607
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1892	}
1893		2610
1894	cf::player->attach (	2611	# only activate afterwards, to support waiting in hooks
1895	on_logout => sub {	2612	$self->activate_recursive;
1896	my ($pl) = @_;	2613	}
1897		2614
1898	# abort map switching before logout	2615	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1899	if ($pl->ob->{_link_pos}) {
1900	cf::sync_job {
1901	$pl->ob->leave_link
1902	};
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2616
1908	# try to abort aborted map switching on player login :)	2617	Moves the player to the given map-path and coordinates by first freezing
1909	# should happen only on crashes	2618	her, loading and preparing them map, calling the provided $check callback
1910	if ($pl->ob->{_link_pos}) {	2619	that has to return the map if sucecssful, and then unfreezes the player on
1911	$pl->ob->enter_link;	2620	the new (success) or old (failed) map position. In either case, $done will
1912	(async {	2621	be called at the end of this process.
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925		2622
1926	=item $player_object->goto ($path, $x, $y)	2623	Note that $check will be called with a potentially non-loaded map, so if
		2624	it needs a loaded map it has to call C<< ->load >>.
1927		2625
1928	=cut	2626	=cut
		2627
		2628	our $GOTOGEN;
1929		2629
1930	sub cf::object::player::goto {	2630	sub cf::object::player::goto {
1931	my ($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;
1932		2635
1933	$self->enter_link;	2636	$self->enter_link;
1934		2637
1935	(async {	2638	(async {
		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
1936	my $map = eval {	2660	my $map = eval {
1937	my $map = cf::map::find $path;	2661	my $map = defined $path ? cf::map::find $path : undef;
		2662
		2663	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2664	$map = $map->customise_for ($self);
		2665	$map = $check->($map) if $check && $map;
		2666	} else {
		2667	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2668	}
		2669
1939	$map	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 $@;
1940	} or	2676	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2677
		2678	if ($gen == $self->{_goto_generation}) {
		2679	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2680	$self->leave_link ($map, $x, $y);
		2681	}
		2682
		2683	$done->() if $done;
1944	})->prio (1);	2684	})->prio (1);
1945	}	2685	}
1946		2686
1947	=item $player_object->enter_exit ($exit_object)	2687	=item $player_object->enter_exit ($exit_object)
1948		2688
…		…
1968	}	2708	}
1969		2709
1970	sub prepare_random_map {	2710	sub prepare_random_map {
1971	my ($exit) = @_;	2711	my ($exit) = @_;
1972		2712
1973	my $guard = cf::lock_acquire "exit_prepare:$exit";
1974
1975	# all this does is basically replace the /! path by	2713	# all this does is basically replace the /! path by
1976	# a new random map path (?random/...) with a seed	2714	# a new random map path (?random/...) with a seed
1977	# that depends on the exit object	2715	# that depends on the exit object
1978		2716
1979	my $rmp = parse_random_map_params $exit->msg;	2717	my $rmp = parse_random_map_params $exit->msg;
…		…
1981	if ($exit->map) {	2719	if ($exit->map) {
1982	$rmp->{region} = $exit->region->name;	2720	$rmp->{region} = $exit->region->name;
1983	$rmp->{origin_map} = $exit->map->path;	2721	$rmp->{origin_map} = $exit->map->path;
1984	$rmp->{origin_x} = $exit->x;	2722	$rmp->{origin_x} = $exit->x;
1985	$rmp->{origin_y} = $exit->y;	2723	$rmp->{origin_y} = $exit->y;
		2724
		2725	$exit->map->touch;
1986	}	2726	}
1987		2727
1988	$rmp->{random_seed} ||= $exit->random_seed;	2728	$rmp->{random_seed} ||= $exit->random_seed;
1989		2729
1990	my $data = cf::to_json $rmp;	2730	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991	my $md5 = Digest::MD5::md5_hex $data;	2731	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2732	my $meta = "$RANDOMDIR/$md5.meta";
1993		2733
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2734	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2735	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2736	undef $fh;
1997	aio_rename "$meta~", $meta;	2737	aio_rename "$meta~", $meta;
1998		2738
		2739	my $slaying = "?random/$md5";
		2740
		2741	if ($exit->valid) {
1999	$exit->slaying ("?random/$md5");	2742	$exit->slaying ("?random/$md5");
2000	$exit->msg (undef);	2743	$exit->msg (undef);
		2744	}
2001	}	2745	}
2002	}	2746	}
2003		2747
2004	sub cf::object::player::enter_exit {	2748	sub cf::object::player::enter_exit {
2005	my ($self, $exit) = @_;	2749	my ($self, $exit) = @_;
2006		2750
2007	return unless $self->type == cf::PLAYER;	2751	return unless $self->type == cf::PLAYER;
2008		2752
2009	if ($exit->slaying eq "/!") {
2010	#TODO: this should de-fi-ni-te-ly not be a sync-job
2011	# the problem is that $exit might not survive long enough
2012	# so it needs to be done right now, right here
2013	cf::sync_job { prepare_random_map $exit };
2014	}
2015
2016	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2017	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;
2019
2020	$self->enter_link;	2753	$self->enter_link;
2021		2754
2022	(async {	2755	(async {
2023	$self->deactivate_recursive; # just to be sure	2756	$Coro::current->{desc} = "enter_exit";
		2757
2024	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
		2765	prepare_random_map $exit
		2766	if $exit->slaying eq "/!";
		2767	}
		2768
		2769	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2770	my $x = $exit->stats->hp;
		2771	my $y = $exit->stats->sp;
		2772
2025	$self->goto ($slaying, $hp, $sp);	2773	$self->goto ($map, $x, $y);
2026		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
2027	1;	2779	1
2028	}) {	2780	}) {
2029	$self->message ("Something went wrong deep within the crossfire server. "	2781	$self->message ("Something went wrong deep within the deliantra server. "
2030	. "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. "
2031	. "Please report this to the dungeon master!",	2783	. "Please report this to the dungeon master!",
2032	cf::NDI_UNIQUE | cf::NDI_RED);	2784	cf::NDI_UNIQUE | cf::NDI_RED);
2033		2785
2034	warn "ERROR in enter_exit: $@";	2786	warn "ERROR in enter_exit: $@";
…		…
2053		2805
2054	utf8::encode $text;	2806	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2807	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2808	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2997	=item $client->ext_msg ($type, @msg)
2059		2998
2060	Sends an exti event to the client.	2999	Sends an ext event to the client.
2061		3000
2062	=cut	3001	=cut
2063		3002
2064	sub cf::client::ext_event($$%) {	3003	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	3004	my ($self, $type, @msg) = @_;
2066		3005
		3006	if ($self->extcmd == 2) {
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3008	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	3009	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	3030	}
2070		3031
2071	=item $success = $client->query ($flags, "text", \&cb)	3032	=item $success = $client->query ($flags, "text", \&cb)
2072		3033
2073	Queues a query to the client, calling the given callback with	3034	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		3037
2077	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
2078	reliable at some point in the future.	3039	become reliable at some point in the future.
2079		3040
2080	=cut	3041	=cut
2081		3042
2082	sub cf::client::query {	3043	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	3044	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	3052	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3053	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		3054
2094	$self->send_packet ($self->{query_queue}[0][0])	3055	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	3056	if @{ $self->{query_queue} } == 1;
		3057
		3058	1
2096	}	3059	}
2097		3060
2098	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	},
2099	on_reply => sub {	3067	on_reply => sub {
2100	my ($ns, $msg) = @_;	3068	my ($ns, $msg) = @_;
2101		3069
2102	# this weird shuffling is so that direct followup queries	3070	# this weird shuffling is so that direct followup queries
2103	# get handled first	3071	# get handled first
…		…
2115	} else {	3083	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	3085	}
2118	}	3086	}
2119	},	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	},
2120	);	3114	);
2121		3115
2122	=item $client->async (\&cb)	3116	=item $client->async (\&cb)
2123		3117
2124	Create a new coroutine, running the specified callback. The coroutine will	3118	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3159	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3160	our $safe_hole = new Safe::Hole;
2167		3161
2168	$SIG{FPE} = 'IGNORE';	3162	$SIG{FPE} = 'IGNORE';
2169		3163
2170	$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	));
2171		3169
2172	# here we export the classes and methods available to script code	3170	# here we export the classes and methods available to script code
2173		3171
2174	=pod	3172	=pod
2175		3173
2176	The following functions and methods are available within a safe environment:	3174	The following functions and methods are available within a safe environment:
2177		3175
2178	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
2179	cf::object::player player	3181	cf::object::player
2180	cf::player peaceful	3182	player
2181	cf::map trigger	3183
		3184	cf::player
		3185	peaceful
		3186
		3187	cf::map
		3188	trigger
2182		3189
2183	=cut	3190	=cut
2184		3191
2185	for (	3192	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3196	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3197	["cf::player" => qw(peaceful send_msg)],
2189	["cf::map" => qw(trigger)],	3198	["cf::map" => qw(trigger)],
2190	) {	3199	) {
2191	no strict 'refs';	3200	no strict 'refs';
2192	my ($pkg, @funs) = @$_;	3201	my ($pkg, @funs) = @$_;
2193	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3202	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2211		3220
2212	my $qcode = $code;	3221	my $qcode = $code;
2213	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3222	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2214	$qcode =~ s/\n/\\n/g;	3223	$qcode =~ s/\n/\\n/g;
2215		3224
		3225	%vars = (_dummy => 0) unless %vars;
		3226
		3227	my @res;
2216	local $_;	3228	local $_;
2217	local @safe::cf::_safe_eval_args = values %vars;
2218		3229
2219	my $eval =	3230	my $eval =
2220	"do {\n"	3231	"do {\n"
2221	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3232	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2222	. "#line 0 \"{$qcode}\"\n"	3233	. "#line 0 \"{$qcode}\"\n"
2223	. $code	3234	. $code
2224	. "\n}"	3235	. "\n}"
2225	;	3236	;
2226		3237
		3238	if ($CFG{safe_eval}) {
2227	sub_generation_inc;	3239	sub_generation_inc;
		3240	local @safe::cf::_safe_eval_args = values %vars;
2228	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3241	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2229	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	}
2230		3247
2231	if ($@) {	3248	if ($@) {
2232	warn "$@";	3249	warn "$@";
2233	warn "while executing safe code '$code'\n";	3250	warn "while executing safe code '$code'\n";
2234	warn "with arguments " . (join " ", %vars) . "\n";	3251	warn "with arguments " . (join " ", %vars) . "\n";
…		…
2253	=cut	3270	=cut
2254		3271
2255	sub register_script_function {	3272	sub register_script_function {
2256	my ($fun, $cb) = @_;	3273	my ($fun, $cb) = @_;
2257		3274
2258	no strict 'refs';	3275	$fun = "safe::$fun" if $CFG{safe_eval};
2259	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3276	*$fun = $safe_hole->wrap ($cb);
2260	}	3277	}
2261		3278
2262	=back	3279	=back
2263		3280
2264	=cut	3281	=cut
2265
2266	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434		3282
2435	#############################################################################	3283	#############################################################################
2436	# the server's init and main functions	3284	# the server's init and main functions
2437		3285
2438	sub load_facedata($) {	3286	sub load_facedata($) {
2439	my ($path) = @_;	3287	my ($path) = @_;
		3288
		3289	# HACK to clear player env face cache, we need some signal framework
		3290	# for this (global event?)
		3291	%ext::player_env::MUSIC_FACE_CACHE = ();
		3292
		3293	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3294
2441	warn "loading facedata from $path\n";	3295	warn "loading facedata from $path\n";
2442		3296
2443	my $facedata;	3297	my $facedata;
2444	0 < aio_load $path, $facedata	3298	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3301	$facedata = Coro::Storable::thaw $facedata;
2448		3302
2449	$facedata->{version} == 2	3303	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3304	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3305
		3306	# patch in the exptable
		3307	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3308	$facedata->{resource}{"res/exp_table"} = {
		3309	type => FT_RSRC,
		3310	data => $exp_table,
		3311	hash => (Digest::MD5::md5 $exp_table),
		3312	};
		3313	cf::cede_to_tick;
		3314
2452	{	3315	{
2453	my $faces = $facedata->{faceinfo};	3316	my $faces = $facedata->{faceinfo};
2454		3317
2455	while (my ($face, $info) = each %$faces) {	3318	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3319	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3320
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3321	cf::face::set_visibility $idx, $info->{visibility};
		3322	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3323	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3324	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2460	Coro::cede;	3325
		3326	cf::cede_to_tick;
2461	}	3327	}
2462		3328
2463	while (my ($face, $info) = each %$faces) {	3329	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3330	next unless $info->{smooth};
		3331
2465	my $idx = cf::face::find $face	3332	my $idx = cf::face::find $face
2466	or next;	3333	or next;
		3334
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3335	if (my $smooth = cf::face::find $info->{smooth}) {
		3336	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3337	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3338	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3339	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3340	}
2472	Coro::cede;	3341
		3342	cf::cede_to_tick;
2473	}	3343	}
2474	}	3344	}
2475		3345
2476	{	3346	{
2477	my $anims = $facedata->{animinfo};	3347	my $anims = $facedata->{animinfo};
2478		3348
2479	while (my ($anim, $info) = each %$anims) {	3349	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3350	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3351	cf::cede_to_tick;
2482	}	3352	}
2483		3353
2484	cf::anim::invalidate_all; # d'oh	3354	cf::anim::invalidate_all; # d'oh
2485	}	3355	}
2486		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
2487	1	3376	1
2488	}	3377	}
2489		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 $_->{match};
		3428	}
		3429	}
		3430
2490	sub reload_facedata {	3431	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3432	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3433	or die "unable to load facedata\n";
2493	}	3434	}
2494		3435
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3436	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3437	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3438	or die "unable to load archetypes\n";
2503	}	3439	}
2504		3440
2505	sub reload_treasures {	3441	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3442	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3443	or die "unable to load treasurelists\n";
2508	}	3444	}
2509		3445
2510	sub reload_resources {	3446	sub reload_resources {
2511	warn "reloading resource files...\n";	3447	warn "reloading resource files...\n";
2512		3448
2513	reload_regions;
2514	reload_facedata;	3449	reload_facedata;
2515	reload_archetypes;	3450	reload_archetypes;
		3451	reload_regions;
2516	reload_treasures;	3452	reload_treasures;
2517		3453
2518	warn "finished reloading resource files\n";	3454	warn "finished reloading resource files\n";
2519	}	3455	}
2520		3456
2521	sub init {	3457	sub reload_config {
2522	reload_resources;	3458	warn "reloading config file...\n";
2523	}
2524		3459
2525	sub cfg_load {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3460	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3461	or return;
2528		3462
2529	local $/;	3463	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3464	*CFG = YAML::XS::Load scalar <$fh>;
2531		3465
2532	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3466	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533		3467
2534	$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};
2535	$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};
…		…
2539	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3473	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2540	and die "WARNING: m(un)lockall failed: $!\n";	3474	and die "WARNING: m(un)lockall failed: $!\n";
2541	};	3475	};
2542	warn $@ if $@;	3476	warn $@ if $@;
2543	}	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;
2544	}	3508	}
2545		3509
2546	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
2547	# we must not ever block the main coroutine	3525	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3526	local $Coro::idle = sub {
2549	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#
2550	(async {	3528	(async {
2551	Event::one_event;	3529	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3530	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3531	})->prio (Coro::PRIO_MAX);
2553	};	3532	};
2554		3533
2555	cfg_load;	3534	evthread_start IO::AIO::poll_fileno;
		3535
		3536	cf::sync_job {
		3537	cf::load_settings;
		3538	cf::load_materials;
		3539
		3540	reload_resources;
		3541	reload_config;
2556	db_init;	3542	db_init;
		3543
		3544	cf::init_uuid;
		3545	cf::init_signals;
		3546	cf::init_commands;
		3547	cf::init_skills;
		3548
		3549	cf::init_beforeplay;
		3550
		3551	atomic;
		3552
2557	load_extensions;	3553	load_extensions;
2558		3554
2559	$TICK_WATCHER->start;	3555	utime time, time, $RUNTIMEFILE;
2560	Event::loop;	3556
		3557	# no (long-running) fork's whatsoever before this point(!)
		3558	use POSIX ();
		3559	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3560
		3561	(pop @POST_INIT)->(0) while @POST_INIT;
		3562	};
		3563
		3564	main_loop;
2561	}	3565	}
2562		3566
2563	#############################################################################	3567	#############################################################################
2564	# initialisation and cleanup	3568	# initialisation and cleanup
2565		3569
2566	# install some emergency cleanup handlers	3570	# install some emergency cleanup handlers
2567	BEGIN {	3571	BEGIN {
		3572	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3573	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3574	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3575	cf::cleanup "SIG$signal";
2576	},
2577	);	3576	};
		3577	}
		3578	}
		3579
		3580	sub write_runtime_sync {
		3581	my $t0 = EV::time;
		3582
		3583	# first touch the runtime file to show we are still running:
		3584	# the fsync below can take a very very long time.
		3585
		3586	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3587
		3588	my $guard = cf::lock_acquire "write_runtime";
		3589
		3590	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3591	or return;
		3592
		3593	my $value = $cf::RUNTIME + 90 + 10;
		3594	# 10 is the runtime save interval, for a monotonic clock
		3595	# 60 allows for the watchdog to kill the server.
		3596
		3597	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3598	and return;
		3599
		3600	# always fsync - this file is important
		3601	aio_fsync $fh
		3602	and return;
		3603
		3604	# touch it again to show we are up-to-date
		3605	aio_utime $fh, undef, undef;
		3606
		3607	close $fh
		3608	or return;
		3609
		3610	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3611	and return;
		3612
		3613	warn sprintf "runtime file written (%gs).\n", EV::time - $t0;
		3614
2578	}	3615	1
		3616	}
		3617
		3618	our $uuid_lock;
		3619	our $uuid_skip;
		3620
		3621	sub write_uuid_sync($) {
		3622	$uuid_skip ||= $_[0];
		3623
		3624	return if $uuid_lock;
		3625	local $uuid_lock = 1;
		3626
		3627	my $uuid = "$LOCALDIR/uuid";
		3628
		3629	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3630	or return;
		3631
		3632	my $value = uuid_seq uuid_cur;
		3633
		3634	unless ($value) {
		3635	warn "cowardly refusing to write zero uuid value!\n";
		3636	return;
		3637	}
		3638
		3639	my $value = uuid_str $value + $uuid_skip;
		3640	$uuid_skip = 0;
		3641
		3642	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3643	and return;
		3644
		3645	# always fsync - this file is important
		3646	aio_fsync $fh
		3647	and return;
		3648
		3649	close $fh
		3650	or return;
		3651
		3652	aio_rename "$uuid~", $uuid
		3653	and return;
		3654
		3655	warn "uuid file written ($value).\n";
		3656
		3657	1
		3658
		3659	}
		3660
		3661	sub write_uuid($$) {
		3662	my ($skip, $sync) = @_;
		3663
		3664	$sync ? write_uuid_sync $skip
		3665	: async { write_uuid_sync $skip };
2579	}	3666	}
2580		3667
2581	sub emergency_save() {	3668	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3669	my $freeze_guard = cf::freeze_mainloop;
2583		3670
2584	warn "enter emergency perl save\n";	3671	warn "emergency_perl_save: enter\n";
2585		3672
2586	cf::sync_job {	3673	cf::sync_job {
		3674	# this is a trade-off: we want to be very quick here, so
		3675	# save all maps without fsync, and later call a global sync
		3676	# (which in turn might be very very slow)
		3677	local $USE_FSYNC = 0;
		3678
2587	# use a peculiar iteration method to avoid tripping on perl	3679	# use a peculiar iteration method to avoid tripping on perl
2588	# refcount bugs in for. also avoids problems with players	3680	# refcount bugs in for. also avoids problems with players
2589	# and maps saved/destroyed asynchronously.	3681	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3682	warn "emergency_perl_save: begin player save\n";
2591	for my $login (keys %cf::PLAYER) {	3683	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3684	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3685	$pl->valid or next;
		3686	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3687	$pl->save;
2595	}	3688	}
2596	warn "end emergency player save\n";	3689	warn "emergency_perl_save: end player save\n";
2597		3690
2598	warn "begin emergency map save\n";	3691	warn "emergency_perl_save: begin map save\n";
2599	for my $path (keys %cf::MAP) {	3692	for my $path (keys %cf::MAP) {
2600	my $map = $cf::MAP{$path} or next;	3693	my $map = $cf::MAP{$path} or next;
2601	$map->valid or next;	3694	$map->valid or next;
2602	$map->save;	3695	$map->save;
2603	}	3696	}
2604	warn "end emergency map save\n";	3697	warn "emergency_perl_save: end map save\n";
2605		3698
2606	warn "begin emergency database checkpoint\n";	3699	warn "emergency_perl_save: begin database checkpoint\n";
2607	BDB::db_env_txn_checkpoint $DB_ENV;	3700	BDB::db_env_txn_checkpoint $DB_ENV;
2608	warn "end emergency database checkpoint\n";	3701	warn "emergency_perl_save: end database checkpoint\n";
		3702
		3703	warn "emergency_perl_save: begin write uuid\n";
		3704	write_uuid_sync 1;
		3705	warn "emergency_perl_save: end write uuid\n";
2609	};	3706	};
2610		3707
		3708	warn "emergency_perl_save: starting sync()\n";
		3709	IO::AIO::aio_sync sub {
		3710	warn "emergency_perl_save: finished sync()\n";
		3711	};
		3712
2611	warn "leave emergency perl save\n";	3713	warn "emergency_perl_save: leave\n";
2612	}	3714	}
2613		3715
2614	sub post_cleanup {	3716	sub post_cleanup {
2615	my ($make_core) = @_;	3717	my ($make_core) = @_;
2616		3718
2617	warn Carp::longmess "post_cleanup backtrace"	3719	warn Carp::longmess "post_cleanup backtrace"
2618	if $make_core;	3720	if $make_core;
		3721
		3722	my $fh = pidfile;
		3723	unlink $PIDFILE if <$fh> == $$;
		3724	}
		3725
		3726	# a safer delete_package, copied from Symbol
		3727	sub clear_package($) {
		3728	my $pkg = shift;
		3729
		3730	# expand to full symbol table name if needed
		3731	unless ($pkg =~ /^main::.*::$/) {
		3732	$pkg = "main$pkg" if $pkg =~ /^::/;
		3733	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3734	$pkg .= '::' unless $pkg =~ /::$/;
		3735	}
		3736
		3737	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3738	my $stem_symtab = *{$stem}{HASH};
		3739
		3740	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3741	or return;
		3742
		3743	# clear all symbols
		3744	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3745	for my $name (keys %$leaf_symtab) {
		3746	_gv_clear *{"$pkg$name"};
		3747	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3748	}
		3749	warn "cleared package $pkg\n";#d#
2619	}	3750	}
2620		3751
2621	sub do_reload_perl() {	3752	sub do_reload_perl() {
2622	# can/must only be called in main	3753	# can/must only be called in main
2623	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2624	warn "can only reload from main coroutine";	3755	warn "can only reload from main coroutine";
2625	return;	3756	return;
2626	}	3757	}
2627		3758
		3759	return if $RELOAD++;
		3760
		3761	my $t1 = EV::time;
		3762
		3763	while ($RELOAD) {
2628	warn "reloading...";	3764	warn "reloading...";
2629		3765
2630	warn "entering sync_job";	3766	warn "entering sync_job";
2631		3767
2632	cf::sync_job {	3768	cf::sync_job {
2633	cf::write_runtime; # external watchdog should not bark	3769	cf::write_runtime_sync; # external watchdog should not bark
2634	cf::emergency_save;	3770	cf::emergency_save;
2635	cf::write_runtime; # external watchdog should not bark	3771	cf::write_runtime_sync; # external watchdog should not bark
2636		3772
2637	warn "syncing database to disk";	3773	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3774	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3775
2640	# if anything goes wrong in here, we should simply crash as we already saved	3776	# if anything goes wrong in here, we should simply crash as we already saved
2641		3777
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3778	warn "flushing outstanding aio requests";
2648	for (;;) {
2649	BDB::flush;
2650	IO::AIO::flush;
2651	Coro::cede;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3779	while (IO::AIO::nreqs || BDB::nreqs) {
2653	warn "iterate...";	3780	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2654	}
2655
2656	++$RELOAD;
2657
2658	warn "cancelling all extension coros";
2659	$_->cancel for values %EXT_CORO;
2660	%EXT_CORO = ();
2661
2662	warn "removing commands";
2663	%COMMAND = ();
2664
2665	warn "removing ext commands";
2666	%EXTCMD = ();
2667
2668	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";
2671
2672	if (my $cb = $pkg->can ("unload")) {
2673	eval {
2674	$cb->($pkg);
2675	1
2676	} or warn "$pkg unloaded, but with errors: $@";
2677	}	3781	}
2678		3782
2679	warn "... nuking $pkg";	3783	warn "cancelling all extension coros";
2680	Symbol::delete_package $pkg;	3784	$_->cancel for values %EXT_CORO;
2681	}	3785	%EXT_CORO = ();
2682		3786
2683	warn "unloading all perl modules loaded from $LIBDIR";	3787	warn "removing commands";
2684	while (my ($k, $v) = each %INC) {	3788	%COMMAND = ();
2685	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2686		3789
		3790	warn "removing ext/exti commands";
		3791	%EXTCMD = ();
		3792	%EXTICMD = ();
		3793
		3794	warn "unloading/nuking all extensions";
		3795	for my $pkg (@EXTS) {
2687	warn "... unloading $k";	3796	warn "... unloading $pkg";
2688	delete $INC{$k};
2689		3797
2690	$k =~ s/\.pm$//;
2691	$k =~ s/\//::/g;
2692
2693	if (my $cb = $k->can ("unload_module")) {	3798	if (my $cb = $pkg->can ("unload")) {
		3799	eval {
2694	$cb->();	3800	$cb->($pkg);
		3801	1
		3802	} or warn "$pkg unloaded, but with errors: $@";
		3803	}
		3804
		3805	warn "... clearing $pkg";
		3806	clear_package $pkg;
2695	}	3807	}
2696		3808
2697	Symbol::delete_package $k;	3809	warn "unloading all perl modules loaded from $LIBDIR";
		3810	while (my ($k, $v) = each %INC) {
		3811	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3812
		3813	warn "... unloading $k";
		3814	delete $INC{$k};
		3815
		3816	$k =~ s/\.pm$//;
		3817	$k =~ s/\//::/g;
		3818
		3819	if (my $cb = $k->can ("unload_module")) {
		3820	$cb->();
		3821	}
		3822
		3823	clear_package $k;
2698	}	3824	}
2699		3825
2700	warn "getting rid of safe::, as good as possible";	3826	warn "getting rid of safe::, as good as possible";
2701	Symbol::delete_package "safe::$_"	3827	clear_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3828	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3829
2704	warn "unloading cf.pm \"a bit\"";	3830	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3831	delete $INC{"cf.pm"};
		3832	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2706		3833
2707	# don't, removes xs symbols, too,	3834	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3835	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3836	#clear_package __PACKAGE__;
2710		3837
2711	warn "unload completed, starting to reload now";	3838	warn "unload completed, starting to reload now";
2712		3839
2713	warn "reloading cf.pm";	3840	warn "reloading cf.pm";
2714	require cf;	3841	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3842	cf::_connect_to_perl_1;
2716		3843
2717	warn "loading config and database again";	3844	warn "loading config and database again";
2718	cf::cfg_load;	3845	cf::reload_config;
2719		3846
2720	warn "loading extensions";	3847	warn "loading extensions";
2721	cf::load_extensions;	3848	cf::load_extensions;
2722		3849
		3850	if ($REATTACH_ON_RELOAD) {
2723	warn "reattaching attachments to objects/players";	3851	warn "reattaching attachments to objects/players";
2724	_global_reattach; # objects, sockets	3852	_global_reattach; # objects, sockets
2725	warn "reattaching attachments to maps";	3853	warn "reattaching attachments to maps";
2726	reattach $_ for values %MAP;	3854	reattach $_ for values %MAP;
2727	warn "reattaching attachments to players";	3855	warn "reattaching attachments to players";
2728	reattach $_ for values %PLAYER;	3856	reattach $_ for values %PLAYER;
		3857	}
2729		3858
		3859	warn "running post_init jobs";
		3860	(pop @POST_INIT)->(1) while @POST_INIT;
		3861
2730	warn "leaving sync_job";	3862	warn "leaving sync_job";
2731		3863
2732	1	3864	1
2733	} or do {	3865	} or do {
2734	warn $@;	3866	warn $@;
2735	warn "error while reloading, exiting.";	3867	cf::cleanup "error while reloading, exiting.";
2736	exit 1;
2737	};	3868	};
2738		3869
2739	warn "reloaded";	3870	warn "reloaded";
		3871	--$RELOAD;
		3872	}
		3873
		3874	$t1 = EV::time - $t1;
		3875	warn "reload completed in ${t1}s\n";
2740	};	3876	};
2741		3877
2742	our $RELOAD_WATCHER; # used only during reload	3878	our $RELOAD_WATCHER; # used only during reload
2743		3879
2744	sub reload_perl() {	3880	sub reload_perl() {
2745	# doing reload synchronously and two reloads happen back-to-back,	3881	# doing reload synchronously and two reloads happen back-to-back,
2746	# coro crashes during coro_state_free->destroy here.	3882	# coro crashes during coro_state_free->destroy here.
2747		3883
2748	$RELOAD_WATCHER ||= Event->timer (	3884	$RELOAD_WATCHER ||= cf::async {
2749	reentrant => 0,	3885	Coro::AIO::aio_wait cache_extensions;
2750	after => 0,	3886
2751	data => WF_AUTOCANCEL,	3887	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2752	cb => sub {
2753	do_reload_perl;	3888	do_reload_perl;
2754	undef $RELOAD_WATCHER;	3889	undef $RELOAD_WATCHER;
2755	},	3890	};
2756	);	3891	};
2757	}	3892	}
2758		3893
2759	register_command "reload" => sub {	3894	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3895	my ($who, $arg) = @_;
2761		3896
2762	if ($who->flag (FLAG_WIZ)) {	3897	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3898	$who->message ("reloading server.");
		3899	async {
		3900	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3901	reload_perl;
		3902	};
2765	}	3903	}
2766	};	3904	};
2767		3905
2768	unshift @INC, $LIBDIR;	3906	unshift @INC, $LIBDIR;
2769		3907
…		…
2771		3909
2772	our @WAIT_FOR_TICK;	3910	our @WAIT_FOR_TICK;
2773	our @WAIT_FOR_TICK_BEGIN;	3911	our @WAIT_FOR_TICK_BEGIN;
2774		3912
2775	sub wait_for_tick {	3913	sub wait_for_tick {
2776	return unless $TICK_WATCHER->is_active;
2777	return if $Coro::current == $Coro::main;	3914	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2778		3915
2779	my $signal = new Coro::Signal;	3916	my $signal = new Coro::Signal;
2780	push @WAIT_FOR_TICK, $signal;	3917	push @WAIT_FOR_TICK, $signal;
2781	$signal->wait;	3918	$signal->wait;
2782	}	3919	}
2783		3920
2784	sub wait_for_tick_begin {	3921	sub wait_for_tick_begin {
2785	return unless $TICK_WATCHER->is_active;
2786	return if $Coro::current == $Coro::main;	3922	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2787		3923
2788	my $signal = new Coro::Signal;	3924	my $signal = new Coro::Signal;
2789	push @WAIT_FOR_TICK_BEGIN, $signal;	3925	push @WAIT_FOR_TICK_BEGIN, $signal;
2790	$signal->wait;	3926	$signal->wait;
2791	}	3927	}
2792		3928
2793	$TICK_WATCHER = Event->timer (	3929	sub tick {
2794	reentrant => 0,
2795	parked => 1,
2796	prio => 0,
2797	at => $NEXT_TICK || $TICK,
2798	data => WF_AUTOCANCEL,
2799	cb => sub {
2800	if ($Coro::current != $Coro::main) {	3930	if ($Coro::current != $Coro::main) {
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3931	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3932	unless ++$bug_warning > 10;
2803	return;	3933	return;
2804	}	3934	}
2805		3935
2806	$NOW = Event::time;
2807
2808	cf::server_tick; # one server iteration	3936	cf::server_tick; # one server iteration
2809		3937
2810	$RUNTIME += $TICK;	3938	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2811	$NEXT_TICK += $TICK;
2812		3939
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3940	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3941	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2815	Coro::async_pool {	3942	Coro::async_pool {
		3943	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3944	write_runtime_sync
2817	or warn "ERROR: unable to write runtime file: $!";	3945	or warn "ERROR: unable to write runtime file: $!";
2818	};
2819	}	3946	};
		3947	}
2820		3948
2821	# my $AFTER = Event::time;
2822	# warn $AFTER - $NOW;#d#
2823
2824	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2826
2827	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;
2829
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3949	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2831	$sig->send;	3950	$sig->send;
2832	}	3951	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {	3952	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;	3953	$sig->send;
2835	}
2836
2837	_post_tick;
2838	},	3954	}
2839	);	3955
		3956	$LOAD = ($NOW - $TICK_START) / $TICK;
		3957	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3958
		3959	if (0) {
		3960	if ($NEXT_TICK) {
		3961	my $jitter = $TICK_START - $NEXT_TICK;
		3962	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3963	warn "jitter $JITTER\n";#d#
		3964	}
		3965	}
		3966	}
2840		3967
2841	{	3968	{
2842	BDB::max_poll_time $TICK * 0.1;	3969	# configure BDB
2843	$BDB_POLL_WATCHER = Event->io (	3970
2844	reentrant => 0,
2845	fd => BDB::poll_fileno,
2846	poll => 'r',
2847	prio => 0,
2848	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,
2850	);
2851	BDB::min_parallel 8;	3971	BDB::min_parallel 16;
2852		3972	BDB::max_poll_reqs $TICK * 0.1;
2853	BDB::set_sync_prepare {	3973	$AnyEvent::BDB::WATCHER->priority (1);
2854	my $status;
2855	my $current = $Coro::current;
2856	(
2857	sub {
2858	$status = $!;
2859	$current->ready; undef $current;
2860	},
2861	sub {
2862	Coro::schedule while defined $current;
2863	$! = $status;
2864	},
2865	)
2866	};
2867		3974
2868	unless ($DB_ENV) {	3975	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3976	$DB_ENV = BDB::db_env_create;
		3977	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3978	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3979	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3980	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3981	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3982
2871	cf::sync_job {	3983	cf::sync_job {
2872	eval {	3984	eval {
2873	BDB::db_env_open	3985	BDB::db_env_open
2874	$DB_ENV,	3986	$DB_ENV,
2875	$BDB_ENV_DIR,	3987	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3988	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3989	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3990	0666;
2879		3991
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3992	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3993	};
2885		3994
2886	cf::cleanup "db_env_open(db): $@" if $@;	3995	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3996	};
2888	}	3997	}
		3998
		3999	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4000	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4001	};
		4002	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4003	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4004	};
		4005	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4006	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4007	};
2889	}	4008	}
2890		4009
2891	{	4010	{
		4011	# configure IO::AIO
		4012
2892	IO::AIO::min_parallel 8;	4013	IO::AIO::min_parallel 8;
2893
2894	undef $Coro::AIO::WATCHER;
2895	IO::AIO::max_poll_time $TICK * 0.1;	4014	IO::AIO::max_poll_time $TICK * 0.1;
2896	$AIO_POLL_WATCHER = Event->io (	4015	undef $AnyEvent::AIO::WATCHER;
2897	reentrant => 0,	4016	}
2898	data => WF_AUTOCANCEL,	4017
2899	fd => IO::AIO::poll_fileno,	4018	my $_log_backtrace;
2900	poll => 'r',	4019
2901	prio => 6,	4020	sub _log_backtrace {
2902	cb => \&IO::AIO::poll_cb,	4021	my ($msg, @addr) = @_;
2903	);	4022
		4023	$msg =~ s/\n//;
		4024
		4025	# limit the # of concurrent backtraces
		4026	if ($_log_backtrace < 2) {
		4027	++$_log_backtrace;
		4028	my $perl_bt = Carp::longmess $msg;
		4029	async {
		4030	$Coro::current->{desc} = "abt $msg";
		4031
		4032	my @bt = fork_call {
		4033	@addr = map { sprintf "%x", $_ } @addr;
		4034	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4035	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4036	or die "addr2line: $!";
		4037
		4038	my @funcs;
		4039	my @res = <$fh>;
		4040	chomp for @res;
		4041	while (@res) {
		4042	my ($func, $line) = splice @res, 0, 2, ();
		4043	push @funcs, "[$func] $line";
		4044	}
		4045
		4046	@funcs
		4047	};
		4048
		4049	LOG llevInfo, "[ABT] $perl_bt\n";
		4050	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4051	LOG llevInfo, "[ABT] $_\n" for @bt;
		4052	--$_log_backtrace;
		4053	};
		4054	} else {
		4055	LOG llevInfo, "[ABT] $msg\n";
		4056	LOG llevInfo, "[ABT] [suppressed]\n";
		4057	}
2904	}	4058	}
2905		4059
2906	# load additional modules	4060	# load additional modules
2907	use cf::pod;	4061	require "cf/$_.pm" for @EXTRA_MODULES;
		4062	cf::_connect_to_perl_2;
2908		4063
2909	END { cf::emergency_save }	4064	END { cf::emergency_save }
2910		4065
2911	1	4066	1
2912		4067

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