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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.458 by root, Sat Dec 13 20:34:37 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::AnyEvent;
18	use Coro::AIO;	47	use Coro::AIO;
		48	use Coro::BDB 1.6;
		49	use Coro::Storable;
		50	use Coro::Util ();
19		51
		52	use JSON::XS 2.01 ();
		53	use BDB ();
20	use Data::Dumper;	54	use Data::Dumper;
21	use Digest::MD5;	55	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
		57	use YAML ();
23	use IO::AIO 2.32 ();	58	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		75
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	76	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		77
36	our %COMMAND = ();	78	our %COMMAND = ();
37	our %COMMAND_TIME = ();	79	our %COMMAND_TIME = ();
38		80
39	our @EXTS = (); # list of extension package names	81	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	82	our %EXTCMD = ();
		83	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	84	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	85	our %EXT_MAP = (); # pluggable maps
43		86
		87	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	88	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		89
47	our $TICK = MAX_TIME * 1e-6;	90	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	91	our $DATADIR = datadir;
		92	our $LIBDIR = "$DATADIR/ext";
		93	our $PODDIR = "$DATADIR/pod";
		94	our $MAPDIR = "$DATADIR/" . mapdir;
		95	our $LOCALDIR = localdir;
		96	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		97	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		98	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		99	our $RANDOMDIR = "$LOCALDIR/random";
		100	our $BDBDIR = "$LOCALDIR/db";
		101	our $PIDFILE = "$LOCALDIR/pid";
		102	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		103
		104	our %RESOURCE;
		105
		106	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		107	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	108	our $NEXT_TICK;
50	our $NOW;	109	our $USE_FSYNC = 1; # use fsync to write maps - default off
		110
		111	our $BDB_DEADLOCK_WATCHER;
		112	our $BDB_CHECKPOINT_WATCHER;
		113	our $BDB_TRICKLE_WATCHER;
		114	our $DB_ENV;
51		115
52	our %CFG;	116	our %CFG;
53		117
54	our $UPTIME; $UPTIME ||= time;	118	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	119	our $RUNTIME;
		120	our $NOW;
56		121
57	our %PLAYER; # all users	122	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	123	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	124	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		125
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	126	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	127	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		128
		129	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		130	our $LOADAVG; # same thing, but with alpha-smoothing
		131	our $JITTER; # average jitter
		132	our $TICK_START; # for load detecting purposes
		133
		134	our @POST_INIT;
		135
		136	our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
64		137
65	binmode STDOUT;	138	binmode STDOUT;
66	binmode STDERR;	139	binmode STDERR;
67		140
68	# read virtual server time, if available	141	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	142	unless ($RUNTIME || !-e $RUNTIMEFILE) {
70	open my $fh, "<", cf::localdir . "/runtime"	143	open my $fh, "<", $RUNTIMEFILE
71	or die "unable to read runtime file: $!";	144	or die "unable to read $RUNTIMEFILE file: $!";
72	$RUNTIME = <$fh> + 0.;	145	$RUNTIME = <$fh> + 0.;
73	}	146	}
74		147
75	mkdir cf::localdir;	148	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	149	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		150
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	151	our $EMERGENCY_POSITION;
		152
		153	sub cf::map::normalise;
84		154
85	#############################################################################	155	#############################################################################
86		156
87	=head2 GLOBAL VARIABLES	157	=head2 GLOBAL VARIABLES
88		158
…		…
95	=item $cf::RUNTIME	165	=item $cf::RUNTIME
96		166
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	167	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	168	every server tick.
99		169
100	=item $cf::LIBDIR	170	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		171	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		172	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		173
102	The perl library directory, where extensions and cf-specific modules can	174	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	175	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		176	unique-items directory, player file directory, random maps directory and
		177	database environment.
104		178
105	=item $cf::NOW	179	=item $cf::NOW
106		180
107	The time of the last (current) server tick.	181	The time of the last (current) server tick.
108		182
109	=item $cf::TICK	183	=item $cf::TICK
110		184
111	The interval between server ticks, in seconds.	185	The interval between server ticks, in seconds.
112		186
		187	=item $cf::LOADAVG
		188
		189	The current CPU load on the server (alpha-smoothed), as a value between 0
		190	(none) and 1 (overloaded), indicating how much time is spent on processing
		191	objects per tick. Healthy values are < 0.5.
		192
		193	=item $cf::LOAD
		194
		195	The raw value load value from the last tick.
		196
113	=item %cf::CFG	197	=item %cf::CFG
114		198
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	199	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	200	from wherever your confdir points to.
117		201
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	202	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		203
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	204	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	205	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	206	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	207
		208	=item @cf::INVOKE_RESULTS
		209
		210	This array contains the results of the last C<invoke ()> call. When
		211	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		212	that call.
124		213
125	=back	214	=back
126		215
127	=cut	216	=cut
128		217
129	BEGIN {	218	BEGIN {
130	*CORE::GLOBAL::warn = sub {	219	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	220	my $msg = join "", @_;
132	utf8::encode $msg;
133		221
134	$msg .= "\n"	222	$msg .= "\n"
135	unless $msg =~ /\n$/;	223	unless $msg =~ /\n$/;
136		224
		225	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		226
137	LOG llevError, $msg;	227	LOG llevError, $msg;
138	};	228	};
139	}	229	}
		230
		231	$Coro::State::DIEHOOK = sub {
		232	return unless $^S eq 0; # "eq", not "=="
		233
		234	if ($Coro::current == $Coro::main) {#d#
		235	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		236	return;#d#
		237	}#d#
		238
		239	# kill coroutine otherwise
		240	warn Carp::longmess $_[0];
		241	Coro::terminate
		242	};
		243
		244	$SIG{__DIE__} = sub { }; #d#?
140		245
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	246	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	247	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	248	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	249	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	250	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		251	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	252	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		253
148	# we bless all objects into (empty) derived classes to force a method lookup	254	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	255	# within the Safe compartment.
150	for my $pkg (qw(	256	for my $pkg (qw(
151	cf::global cf::attachable	257	cf::global cf::attachable
152	cf::object cf::object::player	258	cf::object cf::object::player
153	cf::client cf::player	259	cf::client cf::player
154	cf::arch cf::living	260	cf::arch cf::living
		261	cf::map cf::mapspace
155	cf::map cf::party cf::region	262	cf::party cf::region
156	)) {	263	)) {
157	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	264	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	265	}
160		266
161	$Event::DIED = sub {	267	$EV::DIED = sub {
162	warn "error in event callback: @_";	268	warn "error in event callback: @_";
163	};	269	};
		270
		271	#############################################################################
164		272
165	=head2 UTILITY FUNCTIONS	273	=head2 UTILITY FUNCTIONS
166		274
167	=over 4	275	=over 4
168		276
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	295	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	296	$d
189	} || "[unable to dump $_[0]: '$@']";	297	} || "[unable to dump $_[0]: '$@']";
190	}	298	}
191		299
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	300	=item $ref = cf::decode_json $json
195		301
196	Converts a JSON string into the corresponding perl data structure.	302	Converts a JSON string into the corresponding perl data structure.
197		303
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	304	=item $json = cf::encode_json $ref
206		305
207	Converts a perl data structure into its JSON representation.	306	Converts a perl data structure into its JSON representation.
208		307
209	=cut	308	=cut
210		309
211	sub to_json($) {	310	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	311
213	JSON::Syck::Dump $_[0]	312	sub encode_json($) { $json_coder->encode ($_[0]) }
		313	sub decode_json($) { $json_coder->decode ($_[0]) }
		314
		315	=item cf::post_init { BLOCK }
		316
		317	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		318	but I<before> the server starts ticking again.
		319
		320	The cdoeblock will have a single boolean argument to indicate whether this
		321	is a reload or not.
		322
		323	=cut
		324
		325	sub post_init(&) {
		326	push @POST_INIT, shift;
214	}	327	}
215		328
216	=item cf::lock_wait $string	329	=item cf::lock_wait $string
217		330
218	Wait until the given lock is available. See cf::lock_acquire.	331	Wait until the given lock is available. See cf::lock_acquire.
219		332
220	=item my $lock = cf::lock_acquire $string	333	=item my $lock = cf::lock_acquire $string
221		334
222	Wait until the given lock is available and then acquires it and returns	335	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	336	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	337	for example when the coroutine gets canceled), the lock is automatically
225	returned.	338	returned.
226		339
		340	Locks are *not* recursive, locking from the same coro twice results in a
		341	deadlocked coro.
		342
227	Lock names should begin with a unique identifier (for example, cf::map::find	343	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	344	uses map_find and cf::map::load uses map_load).
229		345
		346	=item $locked = cf::lock_active $string
		347
		348	Return true if the lock is currently active, i.e. somebody has locked it.
		349
230	=cut	350	=cut
231		351
232	our %LOCK;	352	our %LOCK;
		353	our %LOCKER;#d#
233		354
234	sub lock_wait($) {	355	sub lock_wait($) {
235	my ($key) = @_;	356	my ($key) = @_;
236		357
		358	if ($LOCKER{$key} == $Coro::current) {#d#
		359	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		360	return;#d#
		361	}#d#
		362
237	# wait for lock, if any	363	# wait for lock, if any
238	while ($LOCK{$key}) {	364	while ($LOCK{$key}) {
		365	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
239	push @{ $LOCK{$key} }, $Coro::current;	366	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	367	Coro::schedule;
241	}	368	}
242	}	369	}
243		370
…		…
246		373
247	# wait, to be sure we are not locked	374	# wait, to be sure we are not locked
248	lock_wait $key;	375	lock_wait $key;
249		376
250	$LOCK{$key} = [];	377	$LOCK{$key} = [];
		378	$LOCKER{$key} = $Coro::current;#d#
251		379
252	Coro::guard {	380	Guard::guard {
		381	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	382	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	383	$_->ready for @{ delete $LOCK{$key} };
255	}	384	}
256	}	385	}
257		386
		387	sub lock_active($) {
		388	my ($key) = @_;
		389
		390	! ! $LOCK{$key}
		391	}
		392
258	sub freeze_mainloop {	393	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	394	tick_inhibit_inc;
260		395
261	my $guard = Coro::guard { $TICK_WATCHER->start };	396	&Guard::guard (\&tick_inhibit_dec);
262	$TICK_WATCHER->stop;	397	}
263	$guard	398
		399	=item cf::periodic $interval, $cb
		400
		401	Like EV::periodic, but randomly selects a starting point so that the actions
		402	get spread over timer.
		403
		404	=cut
		405
		406	sub periodic($$) {
		407	my ($interval, $cb) = @_;
		408
		409	my $start = rand List::Util::min 180, $interval;
		410
		411	EV::periodic $start, $interval, 0, $cb
		412	}
		413
		414	=item cf::get_slot $time[, $priority[, $name]]
		415
		416	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		417	This call blocks and returns only when you have at least C<$time> seconds
		418	of cpu time till the next tick. The slot is only valid till the next cede.
		419
		420	The optional C<$name> can be used to identify the job to run. It might be
		421	used for statistical purposes and should identify the same time-class.
		422
		423	Useful for short background jobs.
		424
		425	=cut
		426
		427	our @SLOT_QUEUE;
		428	our $SLOT_QUEUE;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435
		436	while () {
		437	next_job:
		438	my $avail = cf::till_tick;
		439	if ($avail > 0.01) {
		440	for (0 .. $#SLOT_QUEUE) {
		441	if ($SLOT_QUEUE[$_][0] < $avail) {
		442	my $job = splice @SLOT_QUEUE, $_, 1, ();
		443	$job->[2]->send;
		444	Coro::cede;
		445	goto next_job;
		446	}
		447	}
		448	}
		449
		450	if (@SLOT_QUEUE) {
		451	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		452	push @cf::WAIT_FOR_TICK, $signal;
		453	$signal->wait;
		454	} else {
		455	Coro::schedule;
		456	}
		457	}
		458	};
		459
		460	sub get_slot($;$$) {
		461	return if tick_inhibit || $Coro::current == $Coro::main;
		462
		463	my ($time, $pri, $name) = @_;
		464
		465	$time = $TICK * .6 if $time > $TICK * .6;
		466	my $sig = new Coro::Signal;
		467
		468	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		469	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		470	$SLOT_QUEUE->ready;
		471	$sig->wait;
264	}	472	}
265		473
266	=item cf::async { BLOCK }	474	=item cf::async { BLOCK }
267		475
268	Currently the same as Coro::async_pool, meaning you cannot use	476	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		481
274	BEGIN { *async = \&Coro::async_pool }	482	BEGIN { *async = \&Coro::async_pool }
275		483
276	=item cf::sync_job { BLOCK }	484	=item cf::sync_job { BLOCK }
277		485
278	The design of crossfire+ requires that the main coro ($Coro::main) is	486	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	487	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	488	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		489	acceptable.
281		490
282	If it must be done, put the blocking parts into C<sync_job>. This will run	491	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	492	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	493	server will be frozen during this time, so the block should either finish
285	fast or be very important.	494	fast or be very important.
…		…
288		497
289	sub sync_job(&) {	498	sub sync_job(&) {
290	my ($job) = @_;	499	my ($job) = @_;
291		500
292	if ($Coro::current == $Coro::main) {	501	if ($Coro::current == $Coro::main) {
		502	my $time = EV::time;
		503
293	# this is the main coro, too bad, we have to block	504	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	505	# till the operation succeeds, freezing the server :/
295		506
296	# TODO: use suspend/resume instead	507	LOG llevError, Carp::longmess "sync job";#d#
297	# (but this is cancel-safe)	508
298	my $freeze_guard = freeze_mainloop;	509	my $freeze_guard = freeze_mainloop;
299		510
300	my $busy = 1;	511	my $busy = 1;
301	my @res;	512	my @res;
302		513
303	(async {	514	(async {
		515	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	516	@res = eval { $job->() };
305	warn $@ if $@;	517	warn $@ if $@;
306	undef $busy;	518	undef $busy;
307	})->prio (Coro::PRIO_MAX);	519	})->prio (Coro::PRIO_MAX);
308		520
309	while ($busy) {	521	while ($busy) {
310	Coro::cede or Event::one_event;	522	if (Coro::nready) {
		523	Coro::cede_notself;
		524	} else {
		525	EV::loop EV::LOOP_ONESHOT;
311	}	526	}
		527	}
		528
		529	my $time = EV::time - $time;
		530
		531	$TICK_START += $time; # do not account sync jobs to server load
312		532
313	wantarray ? @res : $res[0]	533	wantarray ? @res : $res[0]
314	} else {	534	} else {
315	# we are in another coroutine, how wonderful, everything just works	535	# we are in another coroutine, how wonderful, everything just works
316		536
…		…
336	$EXT_CORO{$coro+0} = $coro;	556	$EXT_CORO{$coro+0} = $coro;
337		557
338	$coro	558	$coro
339	}	559	}
340		560
341	sub write_runtime {	561	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		562
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	563	Executes the given code block with the given arguments in a seperate
345	or return;	564	process, returning the results. Everything must be serialisable with
		565	Coro::Storable. May, of course, block. Note that the executed sub may
		566	never block itself or use any form of event handling.
346		567
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	568	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		569
351	aio_fsync $fh	570	sub fork_call(&@) {
352	and return;	571	my ($cb, @args) = @_;
353		572
354	close $fh	573	# we seemingly have to make a local copy of the whole thing,
355	or return;	574	# otherwise perl prematurely frees the stuff :/
		575	# TODO: investigate and fix (likely this will be rather laborious)
356		576
357	aio_rename "$runtime~", $runtime	577	my @res = Coro::Util::fork_eval {
358	and return;	578	reset_signals;
		579	&$cb
		580	}, @args;
359		581
		582	wantarray ? @res : $res[-1]
		583	}
		584
		585	=item $coin = coin_from_name $name
		586
		587	=cut
		588
		589	our %coin_alias = (
		590	"silver" => "silvercoin",
		591	"silvercoin" => "silvercoin",
		592	"silvercoins" => "silvercoin",
		593	"gold" => "goldcoin",
		594	"goldcoin" => "goldcoin",
		595	"goldcoins" => "goldcoin",
		596	"platinum" => "platinacoin",
		597	"platinumcoin" => "platinacoin",
		598	"platinumcoins" => "platinacoin",
		599	"platina" => "platinacoin",
		600	"platinacoin" => "platinacoin",
		601	"platinacoins" => "platinacoin",
		602	"royalty" => "royalty",
		603	"royalties" => "royalty",
		604	);
		605
		606	sub coin_from_name($) {
		607	$coin_alias{$_[0]}
		608	? cf::arch::find $coin_alias{$_[0]}
		609	: undef
		610	}
		611
		612	=item $value = cf::db_get $family => $key
		613
		614	Returns a single value from the environment database.
		615
		616	=item cf::db_put $family => $key => $value
		617
		618	Stores the given C<$value> in the family. It can currently store binary
		619	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		620
		621	=item $db = cf::db_table "name"
		622
		623	Create and/or open a new database table. The string must not be "db" and must be unique
		624	within each server.
		625
		626	=cut
		627
		628	sub db_table($) {
		629	my ($name) = @_;
		630	my $db = BDB::db_create $DB_ENV;
		631
		632	eval {
		633	$db->set_flags (BDB::CHKSUM);
		634
		635	utf8::encode $name;
		636	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		637	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		638	cf::cleanup "db_open(db): $!" if $!;
		639	};
		640	cf::cleanup "db_open(db): $@" if $@;
		641
		642	$db
		643	}
		644
		645	our $DB;
		646
		647	sub db_init {
		648	cf::sync_job {
		649	$DB ||= db_table "db";
		650	};
		651	}
		652
		653	sub db_get($$) {
		654	my $key = "$_[0]/$_[1]";
		655
		656	cf::sync_job {
		657	BDB::db_get $DB, undef, $key, my $data;
		658
		659	$! ? ()
		660	: $data
360	1	661	}
		662	}
		663
		664	sub db_put($$$) {
		665	BDB::dbreq_pri 4;
		666	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		667	}
		668
		669	=item cf::cache $id => [$paths...], $processversion => $process
		670
		671	Generic caching function that returns the value of the resource $id,
		672	caching and regenerating as required.
		673
		674	This function can block.
		675
		676	=cut
		677
		678	sub cache {
		679	my ($id, $src, $processversion, $process) = @_;
		680
		681	my $meta =
		682	join "\x00",
		683	$processversion,
		684	map {
		685	aio_stat $_
		686	and Carp::croak "$_: $!";
		687
		688	($_, (stat _)[7,9])
		689	} @$src;
		690
		691	my $dbmeta = db_get cache => "$id/meta";
		692	if ($dbmeta ne $meta) {
		693	# changed, we may need to process
		694
		695	my @data;
		696	my $md5;
		697
		698	for (0 .. $#$src) {
		699	0 <= aio_load $src->[$_], $data[$_]
		700	or Carp::croak "$src->[$_]: $!";
		701	}
		702
		703	# if processing is expensive, check
		704	# checksum first
		705	if (1) {
		706	$md5 =
		707	join "\x00",
		708	$processversion,
		709	map {
		710	cf::cede_to_tick;
		711	($src->[$_], Digest::MD5::md5_hex $data[$_])
		712	} 0.. $#$src;
		713
		714
		715	my $dbmd5 = db_get cache => "$id/md5";
		716	if ($dbmd5 eq $md5) {
		717	db_put cache => "$id/meta", $meta;
		718
		719	return db_get cache => "$id/data";
		720	}
		721	}
		722
		723	my $t1 = Time::HiRes::time;
		724	my $data = $process->(\@data);
		725	my $t2 = Time::HiRes::time;
		726
		727	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		728
		729	db_put cache => "$id/data", $data;
		730	db_put cache => "$id/md5" , $md5;
		731	db_put cache => "$id/meta", $meta;
		732
		733	return $data;
		734	}
		735
		736	db_get cache => "$id/data"
		737	}
		738
		739	=item cf::datalog type => key => value, ...
		740
		741	Log a datalog packet of the given type with the given key-value pairs.
		742
		743	=cut
		744
		745	sub datalog($@) {
		746	my ($type, %kv) = @_;
		747	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	748	}
362		749
363	=back	750	=back
364		751
365	=cut	752	=cut
366		753
367	#############################################################################	754	#############################################################################
368		755
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522
523	#############################################################################
524
525	=head2 ATTACHABLE OBJECTS	756	=head2 ATTACHABLE OBJECTS
526		757
527	Many objects in crossfire are so-called attachable objects. That means you can	758	Many objects in deliantra are so-called attachable objects. That means you can
528	attach callbacks/event handlers (a collection of which is called an "attachment")	759	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	760	to it. All such attachable objects support the following methods.
530		761
531	In the following description, CLASS can be any of C<global>, C<object>	762	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	763	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	764	Deliantra).
534		765
535	=over 4	766	=over 4
536		767
537	=item $attachable->attach ($attachment, key => $value...)	768	=item $attachable->attach ($attachment, key => $value...)
538		769
…		…
582	=item cf::CLASS::attachment $name, ...	813	=item cf::CLASS::attachment $name, ...
583		814
584	Register an attachment by C<$name> through which attachable objects of the	815	Register an attachment by C<$name> through which attachable objects of the
585	given CLASS can refer to this attachment.	816	given CLASS can refer to this attachment.
586		817
587	Some classes such as crossfire maps and objects can specify attachments	818	Some classes such as deliantra maps and objects can specify attachments
588	that are attached at load/instantiate time, thus the need for a name.	819	that are attached at load/instantiate time, thus the need for a name.
589		820
590	These calls expect any number of the following handler/hook descriptions:	821	These calls expect any number of the following handler/hook descriptions:
591		822
592	=over 4	823	=over 4
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	883	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	884	our @CB_MAP = ();
654		885
655	my %attachment;	886	my %attachment;
656		887
		888	sub cf::attachable::thawer_merge {
		889	# simply override everything except _meta
		890	local $_[0]{_meta};
		891	%{$_[0]} = %{$_[1]};
		892	}
		893
657	sub _attach_cb($$$$) {	894	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	895	my ($registry, $event, $prio, $cb) = @_;
659		896
660	use sort 'stable';	897	use sort 'stable';
661		898
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	932	$registry = $CB_TYPE[$object_type] ||= [];
696		933
697	} elsif ($type eq "subtype") {	934	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	935	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	936	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	937	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		938
702	} elsif ($type eq "package") {	939	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	940	my $pkg = shift @arg;
704		941
705	while (my ($name, $id) = each %cb_id) {	942	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	971	_attach $registry, $klass, @attach;
735	}	972	}
736		973
737	$obj->{$name} = \%arg;	974	$obj->{$name} = \%arg;
738	} else {	975	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	976	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	977	}
741		978
742	$obj->{_attachment}{$name} = undef;	979	$obj->{_attachment}{$name} = undef;
743	}	980	}
744		981
…		…
746	if (ref $_[0]) {	983	if (ref $_[0]) {
747	_object_attach @_;	984	_object_attach @_;
748	} else {	985	} else {
749	_attach shift->_attach_registry, @_;	986	_attach shift->_attach_registry, @_;
750	}	987	}
		988	_recalc_want;
751	};	989	};
752		990
753	# all those should be optimised	991	# all those should be optimised
754	sub cf::attachable::detach {	992	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	993	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	996	delete $obj->{_attachment}{$name};
759	reattach ($obj);	997	reattach ($obj);
760	} else {	998	} else {
761	Carp::croak "cannot, currently, detach class attachments";	999	Carp::croak "cannot, currently, detach class attachments";
762	}	1000	}
		1001	_recalc_want;
763	};	1002	};
764		1003
765	sub cf::attachable::attached {	1004	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	1005	my ($obj, $name) = @_;
767		1006
…		…
782	";	1021	";
783	die if $@;	1022	die if $@;
784	}	1023	}
785		1024
786	our $override;	1025	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1026	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		1027
789	sub override {	1028	sub override {
790	$override = 1;	1029	$override = 1;
791	@invoke_results = ();	1030	@INVOKE_RESULTS = (@_);
792	}	1031	}
793		1032
794	sub do_invoke {	1033	sub do_invoke {
795	my $event = shift;	1034	my $event = shift;
796	my $callbacks = shift;	1035	my $callbacks = shift;
797		1036
798	@invoke_results = ();	1037	@INVOKE_RESULTS = ();
799		1038
800	local $override;	1039	local $override;
801		1040
802	for (@$callbacks) {	1041	for (@$callbacks) {
803	eval { &{$_->[1]} };	1042	eval { &{$_->[1]} };
…		…
812	}	1051	}
813		1052
814	0	1053	0
815	}	1054	}
816		1055
817	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1056	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818		1057
819	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1058	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820		1059
821	Generate an object-specific event with the given arguments.	1060	Generate an object-specific event with the given arguments.
822		1061
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1062	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	1063	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	1064	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		1065
827	=back	1066	=back
828		1067
829	=cut	1068	=cut
830		1069
831	#############################################################################	1070	#############################################################################
832	# object support	1071	# object support
		1072
		1073	sub _object_equal($$);
		1074	sub _object_equal($$) {
		1075	my ($a, $b) = @_;
		1076
		1077	return 0 unless (ref $a) eq (ref $b);
		1078
		1079	if ("HASH" eq ref $a) {
		1080	my @ka = keys %$a;
		1081	my @kb = keys %$b;
		1082
		1083	return 0 if @ka != @kb;
		1084
		1085	for (0 .. $#ka) {
		1086	return 0 unless $ka[$_] eq $kb[$_];
		1087	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1088	}
		1089
		1090	} elsif ("ARRAY" eq ref $a) {
		1091
		1092	return 0 if @$a != @$b;
		1093
		1094	for (0 .. $#$a) {
		1095	return 0 unless _object_equal $a->[$_], $b->[$_];
		1096	}
		1097
		1098	} elsif ($a ne $b) {
		1099	return 0;
		1100	}
		1101
		1102	1
		1103	}
		1104
		1105	our $SLOW_MERGES;#d#
		1106	sub _can_merge {
		1107	my ($ob1, $ob2) = @_;
		1108
		1109	++$SLOW_MERGES;#d#
		1110
		1111	# we do the slow way here
		1112	return _object_equal $ob1, $ob2
		1113	}
833		1114
834	sub reattach {	1115	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	1116	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	1117	my ($obj) = @_;
		1118
		1119	# no longer needed after getting rid of delete_package?
		1120	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		1121
838	my $registry = $obj->registry;	1122	my $registry = $obj->registry;
839		1123
840	@$registry = ();	1124	@$registry = ();
841		1125
…		…
856	cf::attachable->attach (	1140	cf::attachable->attach (
857	prio => -1000000,	1141	prio => -1000000,
858	on_instantiate => sub {	1142	on_instantiate => sub {
859	my ($obj, $data) = @_;	1143	my ($obj, $data) = @_;
860		1144
861	$data = from_json $data;	1145	$data = decode_json $data;
862		1146
863	for (@$data) {	1147	for (@$data) {
864	my ($name, $args) = @$_;	1148	my ($name, $args) = @$_;
865		1149
866	$obj->attach ($name, %{$args || {} });	1150	$obj->attach ($name, %{$args || {} });
…		…
882	sub object_freezer_save {	1166	sub object_freezer_save {
883	my ($filename, $rdata, $objs) = @_;	1167	my ($filename, $rdata, $objs) = @_;
884		1168
885	sync_job {	1169	sync_job {
886	if (length $$rdata) {	1170	if (length $$rdata) {
		1171	utf8::decode (my $decname = $filename);
887	warn sprintf "saving %s (%d,%d)\n",	1172	warn sprintf "saving %s (%d,%d)\n",
888	$filename, length $$rdata, scalar @$objs;	1173	$decname, length $$rdata, scalar @$objs;
889		1174
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1177	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1178	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1179	aio_close $fh;
895		1180
896	if (@$objs) {	1181	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1182	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1183	aio_chmod $fh, SAVE_MODE;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1184	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1185	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1186	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1187	aio_close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1188	aio_rename "$filename.pst~", "$filename.pst";
904	}	1189	}
905	} else {	1190	} else {
906	aio_unlink "$filename.pst";	1191	aio_unlink "$filename.pst";
907	}	1192	}
908		1193
909	aio_rename "$filename~", $filename;	1194	aio_rename "$filename~", $filename;
		1195
		1196	$filename =~ s%/[^/]+$%%;
		1197	aio_pathsync $filename if $cf::USE_FSYNC;
910	} else {	1198	} else {
911	warn "FATAL: $filename~: $!\n";	1199	warn "FATAL: $filename~: $!\n";
912	}	1200	}
913	} else {	1201	} else {
914	aio_unlink $filename;	1202	aio_unlink $filename;
915	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
916	}	1204	}
917	}	1205	};
918	}	1206	}
919		1207
920	sub object_freezer_as_string {	1208	sub object_freezer_as_string {
921	my ($rdata, $objs) = @_;	1209	my ($rdata, $objs) = @_;
922		1210
…		…
934	or return;	1222	or return;
935		1223
936	unless (aio_stat "$filename.pst") {	1224	unless (aio_stat "$filename.pst") {
937	(aio_load "$filename.pst", $av) >= 0	1225	(aio_load "$filename.pst", $av) >= 0
938	or return;	1226	or return;
		1227
939	$av = eval { (Storable::thaw $av)->{objs} };	1228	my $st = eval { Coro::Storable::thaw $av };
		1229	$av = $st->{objs};
940	}	1230	}
941		1231
		1232	utf8::decode (my $decname = $filename);
942	warn sprintf "loading %s (%d)\n",	1233	warn sprintf "loading %s (%d,%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1234	$decname, length $data, scalar @{$av || []};
		1235
944	return ($data, $av);	1236	($data, $av)
945	}	1237	}
		1238
		1239	=head2 COMMAND CALLBACKS
		1240
		1241	=over 4
		1242
		1243	=cut
946		1244
947	#############################################################################	1245	#############################################################################
948	# command handling &c	1246	# command handling &c
949		1247
950	=item cf::register_command $name => \&callback($ob,$args);	1248	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1261	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1262	}
965		1263
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1264	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1265
968	Register a callbackf ro execution when the client sends an extcmd packet.	1266	Register a callback for execution when the client sends an (synchronous)
		1267	extcmd packet. Ext commands will be processed in the order they are
		1268	received by the server, like other user commands. The first argument is
		1269	the logged-in player. Ext commands can only be processed after a player
		1270	has logged in successfully.
969		1271
970	If the callback returns something, it is sent back as if reply was being	1272	If the callback returns something, it is sent back as if reply was being
971	called.	1273	called.
972		1274
		1275	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1276
		1277	Register a callback for execution when the client sends an (asynchronous)
		1278	exticmd packet. Exti commands are processed by the server as soon as they
		1279	are received, i.e. out of order w.r.t. other commands. The first argument
		1280	is a client socket. Exti commands can be received anytime, even before
		1281	log-in.
		1282
		1283	If the callback returns something, it is sent back as if reply was being
		1284	called.
		1285
973	=cut	1286	=cut
974		1287
975	sub register_extcmd {	1288	sub register_extcmd {
976	my ($name, $cb) = @_;	1289	my ($name, $cb) = @_;
977		1290
978	$EXTCMD{$name} = $cb;	1291	$EXTCMD{$name} = $cb;
979	}	1292	}
		1293
		1294	sub register_exticmd {
		1295	my ($name, $cb) = @_;
		1296
		1297	$EXTICMD{$name} = $cb;
		1298	}
		1299
		1300	use File::Glob ();
980		1301
981	cf::player->attach (	1302	cf::player->attach (
982	on_command => sub {	1303	on_command => sub {
983	my ($pl, $name, $params) = @_;	1304	my ($pl, $name, $params) = @_;
984		1305
…		…
992	cf::override;	1313	cf::override;
993	},	1314	},
994	on_extcmd => sub {	1315	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1316	my ($pl, $buf) = @_;
996		1317
997	my $msg = eval { from_json $buf };	1318	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1319
999	if (ref $msg) {	1320	if (ref $msg) {
		1321	my ($type, $reply, @payload) =
		1322	"ARRAY" eq ref $msg
		1323	? @$msg
		1324	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1325
		1326	my @reply;
		1327
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1328	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1329	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1330	}
		1331
		1332	$pl->ext_reply ($reply, @reply)
		1333	if $reply;
		1334
1005	} else {	1335	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1336	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1337	}
1008		1338
1009	cf::override;	1339	cf::override;
1010	},	1340	},
1011	);	1341	);
1012		1342
		1343	# "readahead" all extensions
1013	sub load_extension {	1344	sub cache_extensions {
1014	my ($path) = @_;	1345	my $grp = IO::AIO::aio_group;
1015		1346
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1347	add $grp IO::AIO::aio_readdir $LIBDIR, sub {
1017	my $base = $1;	1348	for (grep /\.ext$/, @{$_[0]}) {
1018	my $pkg = $1;	1349	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1019	$pkg =~ s/[^[:word:]]/_/g;	1350	}
1020	$pkg = "ext::$pkg";	1351	};
1021		1352
1022	warn "... loading '$path' into '$pkg'\n";	1353	$grp
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}	1354	}
1039		1355
1040	sub load_extensions {	1356	sub load_extensions {
		1357	cf::sync_job {
		1358	my %todo;
		1359
1041	for my $ext (<$LIBDIR/*.ext>) {	1360	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1361	next unless -r $path;
1043	eval {	1362
1044	load_extension $ext;	1363	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1364	my $base = $1;
		1365	my $pkg = $1;
		1366	$pkg =~ s/[^[:word:]]/_/g;
		1367	$pkg = "ext::$pkg";
		1368
		1369	open my $fh, "<:utf8", $path
		1370	or die "$path: $!";
		1371
		1372	my $source = do { local $/; <$fh> };
		1373
		1374	my %ext = (
		1375	path => $path,
		1376	base => $base,
		1377	pkg => $pkg,
		1378	);
		1379
		1380	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1381	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1382
		1383	$ext{source} =
		1384	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1385	. "#line 1 \"$path\"\n{\n"
		1386	. $source
		1387	. "\n};\n1";
		1388
		1389	$todo{$base} = \%ext;
		1390	}
		1391
		1392	my %done;
		1393	while (%todo) {
		1394	my $progress;
		1395
		1396	while (my ($k, $v) = each %todo) {
		1397	for (split /,\s*/, $v->{meta}{depends}) {
		1398	goto skip
		1399	unless exists $done{$_};
		1400	}
		1401
		1402	warn "... loading '$k' into '$v->{pkg}'\n";
		1403
		1404	unless (eval $v->{source}) {
		1405	my $msg = $@ ? "$v->{path}: $@\n"
		1406	: "$v->{base}: extension inactive.\n";
		1407
		1408	if (exists $v->{meta}{mandatory}) {
		1409	warn $msg;
		1410	cf::cleanup "mandatory extension failed to load, exiting.";
		1411	}
		1412
		1413	warn $msg;
		1414	}
		1415
		1416	$done{$k} = delete $todo{$k};
		1417	push @EXTS, $v->{pkg};
		1418	$progress = 1;
1045	1	1419	}
1046	} or warn "$ext not loaded: $@";	1420
		1421	skip:
		1422	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1423	unless $progress;
		1424	}
1047	}	1425	};
1048	}	1426	}
1049		1427
1050	#############################################################################	1428	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1429
1053	*cf::mapsupport::on_clean = sub {	1430	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1431
1066	=head2 CORE EXTENSIONS	1432	=head2 CORE EXTENSIONS
1067		1433
1068	Functions and methods that extend core crossfire objects.	1434	Functions and methods that extend core deliantra objects.
1069		1435
1070	=cut	1436	=cut
1071		1437
1072	package cf::player;	1438	package cf::player;
1073		1439
…		…
1075		1441
1076	=head3 cf::player	1442	=head3 cf::player
1077		1443
1078	=over 4	1444	=over 4
1079		1445
		1446	=item cf::player::num_playing
		1447
		1448	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1449
		1450	=cut
		1451
		1452	sub num_playing {
		1453	scalar grep
		1454	$_->ob->map
		1455	&& !$_->hidden
		1456	&& !$_->ob->flag (cf::FLAG_WIZ),
		1457	cf::player::list
		1458	}
		1459
1080	=item cf::player::find $login	1460	=item cf::player::find $login
1081		1461
1082	Returns the given player object, loading it if necessary (might block).	1462	Returns the given player object, loading it if necessary (might block).
1083		1463
1084	=cut	1464	=cut
1085		1465
1086	sub playerdir($) {	1466	sub playerdir($) {
1087	cf::localdir	1467	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1468	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1469	}
1093		1470
1094	sub path($) {	1471	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1472	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1473
1097	(playerdir $login) . "/$login.pl"	1474	(playerdir $login) . "/playerdata"
1098	}	1475	}
1099		1476
1100	sub find_active($) {	1477	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1478	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1479	and $cf::PLAYER{$_[0]}->active
…		…
1105		1482
1106	sub exists($) {	1483	sub exists($) {
1107	my ($login) = @_;	1484	my ($login) = @_;
1108		1485
1109	$cf::PLAYER{$login}	1486	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1487	or !aio_stat path $login
1111	}	1488	}
1112		1489
1113	sub find($) {	1490	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1491	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1492	my $login = $_[0];
1116		1493
1117	my $guard = cf::lock_acquire "user_find:$login";	1494	my $guard = cf::lock_acquire "user_find:$login";
1118		1495
1119	$cf::PLAYER{$_[0]} || do {	1496	$cf::PLAYER{$_[0]} || do {
1120	my $pl = load_pl path $login	1497	# rename old playerfiles to new ones
		1498	#TODO: remove when no longer required
		1499	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1500	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1501	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1502	aio_unlink +(playerdir $login) . "/$login.pl";
		1503
		1504	my $f = new_from_file cf::object::thawer path $login
1121	or return;	1505	or return;
		1506
		1507	my $pl = cf::player::load_pl $f
		1508	or return;
		1509
		1510	local $cf::PLAYER_LOADING{$login} = $pl;
		1511	$f->resolve_delayed_derefs;
1122	$cf::PLAYER{$login} = $pl	1512	$cf::PLAYER{$login} = $pl
1123	}	1513	}
1124	}	1514	}
1125	}	1515	}
1126		1516
…		…
1135	return if $pl->{deny_save};	1525	return if $pl->{deny_save};
1136		1526
1137	aio_mkdir playerdir $pl, 0770;	1527	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1528	$pl->{last_save} = $cf::RUNTIME;
1139		1529
		1530	cf::get_slot 0.01;
		1531
1140	$pl->save_pl ($path);	1532	$pl->save_pl ($path);
1141	Coro::cede;	1533	cf::cede_to_tick;
1142	}	1534	}
1143		1535
1144	sub new($) {	1536	sub new($) {
1145	my ($login) = @_;	1537	my ($login) = @_;
1146		1538
…		…
1152	$cf::PLAYER{$login} = $self;	1544	$cf::PLAYER{$login} = $self;
1153		1545
1154	$self	1546	$self
1155	}	1547	}
1156		1548
		1549	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1550
		1551	=cut
		1552
		1553	sub send_msg {
		1554	my $ns = shift->ns
		1555	or return;
		1556	$ns->send_msg (@_);
		1557	}
		1558
1157	=item $pl->quit_character	1559	=item $pl->quit_character
1158		1560
1159	Nukes the player without looking back. If logged in, the connection will	1561	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1562	be destroyed. May block for a long time.
1161		1563
1162	=cut	1564	=cut
1163		1565
1164	sub quit_character {	1566	sub quit_character {
1165	my ($pl) = @_;	1567	my ($pl) = @_;
1166		1568
		1569	my $name = $pl->ob->name;
		1570
1167	$pl->{deny_save} = 1;	1571	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1572	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1169		1573
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1574	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171	$pl->deactivate;	1575	$pl->deactivate;
		1576	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1577	$pl->ob->check_score;
1172	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1578	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1173	$pl->ns->destroy if $pl->ns;	1579	$pl->ns->destroy if $pl->ns;
1174		1580
1175	my $path = playerdir $pl;	1581	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1582	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1583	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1584	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1585	$pl->destroy;
		1586
		1587	my $prefix = qr<^~\Q$name\E/>;
		1588
		1589	# nuke player maps
		1590	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1591
1180	IO::AIO::aio_rmtree $temp;	1592	IO::AIO::aio_rmtree $temp;
		1593	}
		1594
		1595	=item $pl->kick
		1596
		1597	Kicks a player out of the game. This destroys the connection.
		1598
		1599	=cut
		1600
		1601	sub kick {
		1602	my ($pl, $kicker) = @_;
		1603
		1604	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1605	$pl->killer ("kicked");
		1606	$pl->ns->destroy;
1181	}	1607	}
1182		1608
1183	=item cf::player::list_logins	1609	=item cf::player::list_logins
1184		1610
1185	Returns am arrayref of all valid playernames in the system, can take a	1611	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1612	while and may block, so not sync_job-capable, ever.
1187		1613
1188	=cut	1614	=cut
1189		1615
1190	sub list_logins {	1616	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1617	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1618	or return [];
1193		1619
1194	my @logins;	1620	my @logins;
1195		1621
1196	for my $login (@$dirs) {	1622	for my $login (@$dirs) {
		1623	my $path = path $login;
		1624
		1625	# a .pst is a dead give-away for a valid player
		1626	# if no pst file found, open and chekc for blocked users
		1627	if (aio_stat "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1628	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1629	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1630	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1631	}
1200		1632
1201	utf8::decode $login;	1633	utf8::decode $login;
1202	push @logins, $login;	1634	push @logins, $login;
1203	}	1635	}
1204		1636
1205	\@logins	1637	\@logins
1206	}	1638	}
1207		1639
1208	=item $player->maps	1640	=item $player->maps
1209		1641
1210	Returns an arrayref of cf::path's of all maps that are private for this	1642	Returns an arrayref of map paths that are private for this
1211	player. May block.	1643	player. May block.
1212		1644
1213	=cut	1645	=cut
1214		1646
1215	sub maps($) {	1647	sub maps($) {
1216	my ($pl) = @_;	1648	my ($pl) = @_;
		1649
		1650	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1651
1218	my $files = aio_readdir playerdir $pl	1652	my $files = aio_readdir playerdir $pl
1219	or return;	1653	or return;
1220		1654
1221	my @paths;	1655	my @paths;
…		…
1223	for (@$files) {	1657	for (@$files) {
1224	utf8::decode $_;	1658	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1659	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1660	next unless /^$PATH_SEP/o;
1227		1661
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1662	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1663	}
1230		1664
1231	\@paths	1665	\@paths
1232	}	1666	}
1233		1667
		1668	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1669
		1670	Expand deliantra pod fragments into protocol xml.
		1671
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1672	=item $player->ext_reply ($msgid, @msg)
1235		1673
1236	Sends an ext reply to the player.	1674	Sends an ext reply to the player.
1237		1675
1238	=cut	1676	=cut
1239		1677
1240	sub ext_reply($$$%) {	1678	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1679	my ($self, $id, @msg) = @_;
1242		1680
1243	$msg{msgid} = $id;	1681	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1682	}
1247		1683
1248	package cf;	1684	=item $player->ext_msg ($type, @msg)
		1685
		1686	Sends an ext event to the client.
		1687
		1688	=cut
		1689
		1690	sub ext_msg($$@) {
		1691	my ($self, $type, @msg) = @_;
		1692
		1693	$self->ns->ext_msg ($type, @msg);
		1694	}
		1695
		1696	=head3 cf::region
		1697
		1698	=over 4
		1699
		1700	=cut
		1701
		1702	package cf::region;
		1703
		1704	=item cf::region::find_by_path $path
		1705
		1706	Tries to decuce the likely region for a map knowing only its path.
		1707
		1708	=cut
		1709
		1710	sub find_by_path($) {
		1711	my ($path) = @_;
		1712
		1713	my ($match, $specificity);
		1714
		1715	for my $region (list) {
		1716	if ($region->{match} && $path =~ $region->{match}) {
		1717	($match, $specificity) = ($region, $region->specificity)
		1718	if $region->specificity > $specificity;
		1719	}
		1720	}
		1721
		1722	$match
		1723	}
1249		1724
1250	=back	1725	=back
1251
1252		1726
1253	=head3 cf::map	1727	=head3 cf::map
1254		1728
1255	=over 4	1729	=over 4
1256		1730
…		…
1259	package cf::map;	1733	package cf::map;
1260		1734
1261	use Fcntl;	1735	use Fcntl;
1262	use Coro::AIO;	1736	use Coro::AIO;
1263		1737
		1738	use overload
		1739	'""' => \&as_string,
		1740	fallback => 1;
		1741
1264	our $MAX_RESET = 3600;	1742	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1743	our $DEFAULT_RESET = 3000;
1266		1744
1267	sub generate_random_map {	1745	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1746	my ($self, $rmp) = @_;
		1747
		1748	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269		1749
1270	# mit "rum" bekleckern, nicht	1750	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1751	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1752	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1753	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1754	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1755	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1756	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1761	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1762	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1763	)
1285	}	1764	}
1286		1765
		1766	=item cf::map->register ($regex, $prio)
		1767
		1768	Register a handler for the map path matching the given regex at the
		1769	givne priority (higher is better, built-in handlers have priority 0, the
		1770	default).
		1771
		1772	=cut
		1773
		1774	sub register {
		1775	my (undef, $regex, $prio) = @_;
		1776	my $pkg = caller;
		1777
		1778	no strict;
		1779	push @{"$pkg\::ISA"}, __PACKAGE__;
		1780
		1781	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1782	}
		1783
		1784	# also paths starting with '/'
		1785	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1786
		1787	sub thawer_merge {
		1788	my ($self, $merge) = @_;
		1789
		1790	# we have to keep some variables in memory intact
		1791	local $self->{path};
		1792	local $self->{load_path};
		1793
		1794	$self->SUPER::thawer_merge ($merge);
		1795	}
		1796
		1797	sub normalise {
		1798	my ($path, $base) = @_;
		1799
		1800	$path = "$path"; # make sure its a string
		1801
		1802	$path =~ s/\.map$//;
		1803
		1804	# map plan:
		1805	#
		1806	# /! non-realised random map exit (special hack!)
		1807	# {... are special paths that are not being touched
		1808	# ?xxx/... are special absolute paths
		1809	# ?random/... random maps
		1810	# /... normal maps
		1811	# ~user/... per-player map of a specific user
		1812
		1813	$path =~ s/$PATH_SEP/\//go;
		1814
		1815	# treat it as relative path if it starts with
		1816	# something that looks reasonable
		1817	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1818	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1819
		1820	$base =~ s{[^/]+/?$}{};
		1821	$path = "$base/$path";
		1822	}
		1823
		1824	for ($path) {
		1825	redo if s{//}{/};
		1826	redo if s{/\.?/}{/};
		1827	redo if s{/[^/]+/\.\./}{/};
		1828	}
		1829
		1830	$path
		1831	}
		1832
		1833	sub new_from_path {
		1834	my (undef, $path, $base) = @_;
		1835
		1836	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1837
		1838	$path = normalise $path, $base;
		1839
		1840	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1841	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1842	my $self = bless cf::map::new, $pkg;
		1843	$self->{path} = $path; $self->path ($path);
		1844	$self->init; # pass $1 etc.
		1845	return $self;
		1846	}
		1847	}
		1848
		1849	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1850	()
		1851	}
		1852
		1853	sub init {
		1854	my ($self) = @_;
		1855
		1856	$self
		1857	}
		1858
		1859	sub as_string {
		1860	my ($self) = @_;
		1861
		1862	"$self->{path}"
		1863	}
		1864
		1865	# the displayed name, this is a one way mapping
		1866	sub visible_name {
		1867	&as_string
		1868	}
		1869
		1870	# the original (read-only) location
		1871	sub load_path {
		1872	my ($self) = @_;
		1873
		1874	"$MAPDIR/$self->{path}.map"
		1875	}
		1876
		1877	# the temporary/swap location
		1878	sub save_path {
		1879	my ($self) = @_;
		1880
		1881	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1882	"$TMPDIR/$path.map"
		1883	}
		1884
		1885	# the unique path, undef == no special unique path
		1886	sub uniq_path {
		1887	my ($self) = @_;
		1888
		1889	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1890	"$UNIQUEDIR/$path"
		1891	}
		1892
1287	# and all this just because we cannot iterate over	1893	# and all this just because we cannot iterate over
1288	# all maps in C++...	1894	# all maps in C++...
1289	sub change_all_map_light {	1895	sub change_all_map_light {
1290	my ($change) = @_;	1896	my ($change) = @_;
1291		1897
1292	$_->change_map_light ($change)	1898	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1899	for grep $_->outdoor, values %cf::MAP;
1294	}	1900	}
1295		1901
		1902	sub decay_objects {
		1903	my ($self) = @_;
		1904
		1905	return if $self->{deny_reset};
		1906
		1907	$self->do_decay_objects;
		1908	}
		1909
		1910	sub unlink_save {
		1911	my ($self) = @_;
		1912
		1913	utf8::encode (my $save = $self->save_path);
		1914	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1915	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1916	}
		1917
1296	sub load_map_header($) {	1918	sub load_header_from($) {
1297	my ($path) = @_;	1919	my ($self, $path) = @_;
1298		1920
1299	utf8::encode $path;	1921	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1922	my $f = new_from_file cf::object::thawer $path
1301	or return;	1923	or return;
1302		1924
1303	my $map = cf::map::new	1925	$self->_load_header ($f)
1304	or return;	1926	or return;
1305		1927
1306	# for better error messages only, will be overwritten later	1928	local $MAP_LOADING{$self->{path}} = $self;
1307	$map->path ($path);	1929	$f->resolve_delayed_derefs;
1308		1930
1309	$map->load_header ($path)	1931	$self->{load_path} = $path;
		1932
		1933	1
		1934	}
		1935
		1936	sub load_header_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->load_header_from ($self->load_path)
		1940	}
		1941
		1942	sub load_header_temp {
		1943	my ($self) = @_;
		1944
		1945	$self->load_header_from ($self->save_path)
		1946	}
		1947
		1948	sub prepare_temp {
		1949	my ($self) = @_;
		1950
		1951	$self->last_access ((delete $self->{last_access})
		1952	|| $cf::RUNTIME); #d#
		1953	# safety
		1954	$self->{instantiate_time} = $cf::RUNTIME
		1955	if $self->{instantiate_time} > $cf::RUNTIME;
		1956	}
		1957
		1958	sub prepare_orig {
		1959	my ($self) = @_;
		1960
		1961	$self->{load_original} = 1;
		1962	$self->{instantiate_time} = $cf::RUNTIME;
		1963	$self->last_access ($cf::RUNTIME);
		1964	$self->instantiate;
		1965	}
		1966
		1967	sub load_header {
		1968	my ($self) = @_;
		1969
		1970	if ($self->load_header_temp) {
		1971	$self->prepare_temp;
		1972	} else {
		1973	$self->load_header_orig
1310	or return;	1974	or return;
		1975	$self->prepare_orig;
		1976	}
1311		1977
1312	$map->{load_path} = $path;	1978	$self->{deny_reset} = 1
		1979	if $self->no_reset;
1313		1980
1314	$map	1981	$self->default_region (cf::region::find_by_path $self->{path})
		1982	unless $self->default_region;
		1983
		1984	1
1315	}	1985	}
1316		1986
1317	sub find;	1987	sub find;
1318	sub find {	1988	sub find {
1319	my ($path, $origin) = @_;	1989	my ($path, $origin) = @_;
1320		1990
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1991	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1992
		1993	cf::lock_wait "map_data:$path";#d#remove
1326	cf::lock_wait "map_find:$key";	1994	cf::lock_wait "map_find:$path";
1327		1995
1328	$cf::MAP{$key} || do {	1996	$cf::MAP{$path} || do {
		1997	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1329	my $guard = cf::lock_acquire "map_find:$key";	1998	my $guard2 = cf::lock_acquire "map_find:$path";
1330		1999
1331	# do it the slow way	2000	my $map = new_from_path cf::map $path
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	2001	or return;
1345		2002
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	2003	$map->{last_save} = $cf::RUNTIME;
1358		2004
1359	Coro::cede;	2005	$map->load_header
		2006	or return;
1360		2007
1361	if ($map->should_reset) {	2008	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2009	# doing this can freeze the server in a sync job, obviously
		2010	#$cf::WAIT_FOR_TICK->wait;
		2011	undef $guard2;
		2012	undef $guard1;
1362	$map->reset;	2013	$map->reset;
1363	undef $guard;
1364	$map = find $path	2014	return find $path;
1365	or return;
1366	}	2015	}
1367		2016
1368	$cf::MAP{$key} = $map	2017	$cf::MAP{$path} = $map
1369	}	2018	}
1370	}	2019	}
		2020
		2021	sub pre_load { }
		2022	sub post_load { }
1371		2023
1372	sub load {	2024	sub load {
1373	my ($self) = @_;	2025	my ($self) = @_;
1374		2026
		2027	local $self->{deny_reset} = 1; # loading can take a long time
		2028
1375	my $path = $self->{path};	2029	my $path = $self->{path};
		2030
		2031	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2032	my $guard = cf::lock_acquire "map_data:$path";
1377		2033
		2034	return unless $self->valid;
1378	return if $self->in_memory != cf::MAP_SWAPPED;	2035	return unless $self->in_memory == cf::MAP_SWAPPED;
1379		2036
1380	$self->in_memory (cf::MAP_LOADING);	2037	$self->in_memory (cf::MAP_LOADING);
1381		2038
1382	$self->alloc;	2039	$self->alloc;
1383	$self->load_objects ($self->{load_path}, 1)	2040
		2041	$self->pre_load;
		2042	cf::cede_to_tick;
		2043
		2044	my $f = new_from_file cf::object::thawer $self->{load_path};
		2045	$f->skip_block;
		2046	$self->_load_objects ($f)
1384	or return;	2047	or return;
1385		2048
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2049	$self->post_load_original
1387	if delete $self->{load_original};	2050	if delete $self->{load_original};
1388		2051
1389	if (my $uniq = $path->uniq_path) {	2052	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	2053	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	2054	unless (aio_stat $uniq) {
		2055	if (my $f = new_from_file cf::object::thawer $uniq) {
1392	$self->clear_unique_items;	2056	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	2057	$self->_load_objects ($f);
		2058	$f->resolve_delayed_derefs;
		2059	}
1394	}	2060	}
1395	}	2061	}
1396		2062
1397	Coro::cede;	2063	$f->resolve_delayed_derefs;
1398		2064
		2065	cf::cede_to_tick;
1399	# now do the right thing for maps	2066	# now do the right thing for maps
1400	$self->link_multipart_objects;	2067	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	2068	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	2069	unless $self->difficulty;
		2070	cf::cede_to_tick;
		2071
		2072	unless ($self->{deny_activate}) {
		2073	$self->decay_objects;
		2074	$self->fix_auto_apply;
		2075	$self->update_buttons;
		2076	cf::cede_to_tick;
		2077	$self->set_darkness_map;
		2078	cf::cede_to_tick;
1412	$self->activate;	2079	$self->activate;
1413	}	2080	}
1414		2081
1415	Coro::cede;	2082	$self->{last_save} = $cf::RUNTIME;
		2083	$self->last_access ($cf::RUNTIME);
1416		2084
1417	$self->in_memory (cf::MAP_IN_MEMORY);	2085	$self->in_memory (cf::MAP_ACTIVE);
		2086	}
		2087
		2088	$self->post_load;
		2089	}
		2090
		2091	sub customise_for {
		2092	my ($self, $ob) = @_;
		2093
		2094	return find "~" . $ob->name . "/" . $self->{path}
		2095	if $self->per_player;
		2096
		2097	# return find "?party/" . $ob->name . "/" . $self->{path}
		2098	# if $self->per_party;
		2099
		2100	$self
1418	}	2101	}
1419		2102
1420	# find and load all maps in the 3x3 area around a map	2103	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	2104	sub load_neighbours {
1422	my ($map) = @_;	2105	my ($map) = @_;
1423		2106
1424	my @diag; # diagonal neighbours	2107	my @neigh; # diagonal neighbours
1425		2108
1426	for (0 .. 3) {	2109	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	2110	my $neigh = $map->tile_path ($_)
1428	or next;	2111	or next;
1429	$neigh = find $neigh, $map	2112	$neigh = find $neigh, $map
1430	or next;	2113	or next;
1431	$neigh->load;	2114	$neigh->load;
1432		2115
		2116	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2117	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2118	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	2119	}
1436		2120
1437	for (@diag) {	2121	for (grep defined $_->[0], @neigh) {
		2122	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	2123	my $neigh = find $path, $origin
1439	or next;	2124	or next;
1440	$neigh->load;	2125	$neigh->load;
1441	}	2126	}
1442	}	2127	}
1443		2128
…		…
1448	}	2133	}
1449		2134
1450	sub do_load_sync {	2135	sub do_load_sync {
1451	my ($map) = @_;	2136	my ($map) = @_;
1452		2137
		2138	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2139	if $Coro::current == $Coro::main;
		2140
1453	cf::sync_job { $map->load };	2141	cf::sync_job { $map->load };
1454	}	2142	}
1455		2143
1456	our %MAP_PREFETCH;	2144	our %MAP_PREFETCH;
		2145	our $MAP_PREFETCHER = undef;
		2146
		2147	sub find_async {
		2148	my ($path, $origin, $load) = @_;
		2149
		2150	$path = normalise $path, $origin && $origin->{path};
		2151
		2152	if (my $map = $cf::MAP{$path}) {
		2153	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2154	}
		2155
		2156	$MAP_PREFETCH{$path} |= $load;
		2157
1457	our $MAP_PREFETCHER = Coro::async {	2158	$MAP_PREFETCHER ||= cf::async {
1458	while () {	2159	$Coro::current->{desc} = "map prefetcher";
		2160
1459	while (%MAP_PREFETCH) {	2161	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	2162	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	2163	if (my $map = find $k) {
		2164	$map->load if $v;
		2165	}
		2166
1462	my $path = delete $MAP_PREFETCH{$key};	2167	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	2168	}
1468	Coro::schedule;	2169	}
		2170	undef $MAP_PREFETCHER;
1469	}	2171	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	2172	$MAP_PREFETCHER->prio (6);
1484		2173
1485	()	2174	()
1486	}	2175	}
1487		2176
1488	sub save {	2177	sub save {
1489	my ($self) = @_;	2178	my ($self) = @_;
1490		2179
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2180	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2181
1493	$self->{last_save} = $cf::RUNTIME;	2182	$self->{last_save} = $cf::RUNTIME;
1494		2183
1495	return unless $self->dirty;	2184	return unless $self->dirty;
1496		2185
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2186	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2187	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2188
1500	$self->{load_path} = $save;	2189	$self->{load_path} = $save;
1501		2190
1502	return if $self->{deny_save};	2191	return if $self->{deny_save};
1503		2192
1504	local $self->{last_access} = $self->last_access;#d#	2193	local $self->{last_access} = $self->last_access;#d#
1505		2194
1506	cf::async {	2195	cf::async {
		2196	$Coro::current->{desc} = "map player save";
1507	$_->contr->save for $self->players;	2197	$_->contr->save for $self->players;
1508	};	2198	};
1509		2199
		2200	cf::get_slot 0.02;
		2201
1510	if ($uniq) {	2202	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2203	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2204	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2205	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2206	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2207	}
1516	}	2208	}
1517		2209
1518	sub swap_out {	2210	sub swap_out {
1519	my ($self) = @_;	2211	my ($self) = @_;
1520		2212
1521	# save first because save cedes	2213	# save first because save cedes
1522	$self->save;	2214	$self->save;
1523		2215
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2216	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2217
1526	return if $self->players;	2218	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2219	return if $self->in_memory != cf::MAP_ACTIVE;
1528	return if $self->{deny_save};	2220	return if $self->{deny_save};
1529		2221
		2222	$self->in_memory (cf::MAP_SWAPPED);
		2223
		2224	$self->deactivate;
		2225	$_->clear_links_to ($self) for values %cf::MAP;
1530	$self->clear;	2226	$self->clear;
1531	$self->in_memory (cf::MAP_SWAPPED);
1532	}	2227	}
1533		2228
1534	sub reset_at {	2229	sub reset_at {
1535	my ($self) = @_;	2230	my ($self) = @_;
1536		2231
1537	# TODO: safety, remove and allow resettable per-player maps	2232	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2233	return 1e99 if $self->{deny_reset};
1540		2234
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2235	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2236	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2237
…		…
1548	my ($self) = @_;	2242	my ($self) = @_;
1549		2243
1550	$self->reset_at <= $cf::RUNTIME	2244	$self->reset_at <= $cf::RUNTIME
1551	}	2245	}
1552		2246
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2247	sub reset {
1575	my ($self) = @_;	2248	my ($self) = @_;
1576		2249
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2250	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2251
1579	return if $self->players;	2252	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2253
1582	warn "resetting map ", $self->path;#d#	2254	warn "resetting map ", $self->path;
		2255
		2256	$self->in_memory (cf::MAP_SWAPPED);
		2257
		2258	# need to save uniques path
		2259	unless ($self->{deny_save}) {
		2260	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2261
		2262	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2263	if $uniq;
		2264	}
1583		2265
1584	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1585		2267
		2268	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2269	$_->clear_links_to ($self) for values %cf::MAP;
		2270	$self->clear;
1587		2271
1588	$self->unlink_save;	2272	$self->unlink_save;
1589	$self->destroy;	2273	$self->destroy;
1590	}	2274	}
1591		2275
1592	my $nuke_counter = "aaaa";	2276	my $nuke_counter = "aaaa";
1593		2277
1594	sub nuke {	2278	sub nuke {
1595	my ($self) = @_;	2279	my ($self) = @_;
1596		2280
		2281	{
		2282	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2283
		2284	delete $cf::MAP{$self->path};
		2285
		2286	$self->unlink_save;
		2287
		2288	bless $self, "cf::map";
		2289	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2290	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2291	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2292	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2293
		2294	$cf::MAP{$self->path} = $self;
		2295	}
		2296
1600	$self->reset; # polite request, might not happen	2297	$self->reset; # polite request, might not happen
1601	}	2298	}
1602		2299
1603	sub customise_for {	2300	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2301
1606	if ($map->per_player) {	2302	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2303	maps. May block.
		2304
		2305	=cut
		2306
		2307	sub tmp_maps() {
1608	}	2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise $_
		2313	: ()
		2314	} @{ aio_readdir $TMPDIR or [] }
		2315	]
		2316	}
1609		2317
1610	$map	2318	=item $maps = cf::map::random_maps
		2319
		2320	Returns an arrayref with all map paths of currently instantiated and saved
		2321	random maps. May block.
		2322
		2323	=cut
		2324
		2325	sub random_maps() {
		2326	[
		2327	map {
		2328	utf8::decode $_;
		2329	/\.map$/
		2330	? normalise "?random/$_"
		2331	: ()
		2332	} @{ aio_readdir $RANDOMDIR or [] }
		2333	]
1611	}	2334	}
1612		2335
1613	=item cf::map::unique_maps	2336	=item cf::map::unique_maps
1614		2337
1615	Returns an arrayref of cf::path's of all shared maps that have	2338	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2339	instantiated unique items. May block.
1617		2340
1618	=cut	2341	=cut
1619		2342
1620	sub unique_maps() {	2343	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2344	[
1622	or return;	2345	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2346	utf8::decode $_;
1628	next if /\.pst$/;	2347	s/\.map$//; # TODO future compatibility hack
1629	next unless /^$PATH_SEP/o;	2348	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630		2349	? ()
1631	push @paths, new cf::path $_;	2350	: normalise $_
		2351	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2352	]
1633
1634	\@paths
1635	}	2353	}
1636
1637	package cf;
1638		2354
1639	=back	2355	=back
1640		2356
1641	=head3 cf::object	2357	=head3 cf::object
1642		2358
…		…
1646		2362
1647	=over 4	2363	=over 4
1648		2364
1649	=item $ob->inv_recursive	2365	=item $ob->inv_recursive
1650		2366
1651	Returns the inventory of the object _and_ their inventories, recursively.	2367	Returns the inventory of the object I<and> their inventories, recursively,
		2368	but I<not> the object itself.
1652		2369
1653	=cut	2370	=cut
1654		2371
1655	sub inv_recursive_;	2372	sub inv_recursive_;
1656	sub inv_recursive_ {	2373	sub inv_recursive_ {
…		…
1659		2376
1660	sub inv_recursive {	2377	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2378	inv_recursive_ inv $_[0]
1662	}	2379	}
1663		2380
		2381	=item $ref = $ob->ref
		2382
		2383	Creates and returns a persistent reference to an object that can be stored as a string.
		2384
		2385	=item $ob = cf::object::deref ($refstring)
		2386
		2387	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2388	even if the object actually exists. May block.
		2389
		2390	=cut
		2391
		2392	sub deref {
		2393	my ($ref) = @_;
		2394
		2395	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2396	my ($uuid, $name) = ($1, $2);
		2397	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2398	or return;
		2399	$pl->ob->uuid eq $uuid
		2400	or return;
		2401
		2402	$pl->ob
		2403	} else {
		2404	warn "$ref: cannot resolve object reference\n";
		2405	undef
		2406	}
		2407	}
		2408
1664	package cf;	2409	package cf;
1665		2410
1666	=back	2411	=back
1667		2412
1668	=head3 cf::object::player	2413	=head3 cf::object::player
…		…
1674	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2419	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675	can be C<undef>. Does the right thing when the player is currently in a	2420	can be C<undef>. Does the right thing when the player is currently in a
1676	dialogue with the given NPC character.	2421	dialogue with the given NPC character.
1677		2422
1678	=cut	2423	=cut
		2424
		2425	our $SAY_CHANNEL = {
		2426	id => "say",
		2427	title => "Map",
		2428	reply => "say ",
		2429	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2430	};
		2431
		2432	our $CHAT_CHANNEL = {
		2433	id => "chat",
		2434	title => "Chat",
		2435	reply => "chat ",
		2436	tooltip => "Player chat and shouts, global to the server.",
		2437	};
1679		2438
1680	# rough implementation of a future "reply" method that works	2439	# rough implementation of a future "reply" method that works
1681	# with dialog boxes.	2440	# with dialog boxes.
1682	#TODO: the first argument must go, split into a $npc->reply_to ( method	2441	#TODO: the first argument must go, split into a $npc->reply_to ( method
1683	sub cf::object::player::reply($$$;$) {	2442	sub cf::object::player::reply($$$;$) {
…		…
1685		2444
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2445	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2446
1688	if ($self->{record_replies}) {	2447	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2448	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2449
1690	} else {	2450	} else {
		2451	my $pl = $self->contr;
		2452
		2453	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2454	my $dialog = $pl->{npc_dialog};
		2455	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2456
		2457	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2458	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2459	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2460	}
1693	}	2461	}
		2462	}
		2463
		2464	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2465
		2466	=cut
		2467
		2468	sub cf::object::send_msg {
		2469	my $pl = shift->contr
		2470	or return;
		2471	$pl->send_msg (@_);
1694	}	2472	}
1695		2473
1696	=item $player_object->may ("access")	2474	=item $player_object->may ("access")
1697		2475
1698	Returns wether the given player is authorized to access resource "access"	2476	Returns wether the given player is authorized to access resource "access"
…		…
1711		2489
1712	=item $player_object->enter_link	2490	=item $player_object->enter_link
1713		2491
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2492	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2493
1716	The player should be reaosnably safe there for short amounts of time. You	2494	The player should be reasonably safe there for short amounts of time (e.g.
1717	I<MUST> call C<leave_link> as soon as possible, though.	2495	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2496	though, as the palyer cannot control the character while it is on the link
		2497	map.
		2498
		2499	Will never block.
1718		2500
1719	=item $player_object->leave_link ($map, $x, $y)	2501	=item $player_object->leave_link ($map, $x, $y)
1720		2502
1721	Moves the player out of the specila link map onto the given map. If the	2503	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2504	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2505	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2506	fails, to the emergency map position.
1725		2507
1726	Might block.	2508	Might block.
1727		2509
1728	=cut	2510	=cut
		2511
		2512	sub link_map {
		2513	unless ($LINK_MAP) {
		2514	$LINK_MAP = cf::map::find "{link}"
		2515	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2516	$LINK_MAP->load;
		2517	}
		2518
		2519	$LINK_MAP
		2520	}
1729		2521
1730	sub cf::object::player::enter_link {	2522	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2523	my ($self) = @_;
1732		2524
1733	$self->deactivate_recursive;	2525	$self->deactivate_recursive;
1734		2526
1735	return if $self->map == $LINK_MAP;	2527	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2528
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2529	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2530	if $self->map && $self->map->{path} ne "{link}";
1739		2531
1740	$self->enter_map ($LINK_MAP, 20, 20);	2532	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2533	}
1742		2534
1743	sub cf::object::player::leave_link {	2535	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2536	my ($self, $map, $x, $y) = @_;
		2537
		2538	return unless $self->contr->active;
1745		2539
1746	my $link_pos = delete $self->{_link_pos};	2540	my $link_pos = delete $self->{_link_pos};
1747		2541
1748	unless ($map) {	2542	unless ($map) {
1749	# restore original map position	2543	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2557	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2558	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2559	if $x <=0 && $y <= 0;
1766		2560
1767	$map->load;	2561	$map->load;
1768	$map->load_diag;	2562	$map->load_neighbours;
1769		2563
1770	return unless $self->contr->active;	2564	return unless $self->contr->active;
		2565	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1771	$self->activate_recursive;	2566	$self->activate_recursive;
		2567
		2568	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2569	$self->enter_map ($map, $x, $y);
1773	}	2570	}
1774		2571
1775	cf::player->attach (	2572	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2573
1779	# abort map switching before logout	2574	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2575	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2576	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2577	the new (success) or old (failed) map position. In either case, $done will
1783	};	2578	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2579
1789	# try to abort aborted map switching on player login :)	2580	Note that $check will be called with a potentially non-loaded map, so if
1790	# should happen only on crashes	2581	it needs a loaded map it has to call C<< ->load >>.
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806		2582
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2583	=cut
		2584
		2585	our $GOTOGEN;
1810		2586
1811	sub cf::object::player::goto {	2587	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2588	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2589
1814	$path = new cf::path $path;	2590	# do generation counting so two concurrent goto's will be executed in-order
		2591	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2592
1816	$self->enter_link;	2593	$self->enter_link;
1817		2594
1818	(async {	2595	(async {
1819	my $map = cf::map::find $path->as_string;	2596	$Coro::current->{desc} = "player::goto $path $x $y";
		2597
		2598	# *tag paths override both path and x|y
		2599	if ($path =~ /^\*(.*)$/) {
		2600	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2601	my $ob = $obs[rand @obs];
		2602
		2603	# see if we actually can go there
		2604	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2605	$ob = $obs[rand @obs];
		2606	} else {
		2607	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2608	}
		2609	# else put us there anyways for now #d#
		2610
		2611	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2612	} else {
		2613	($path, $x, $y) = (undef, undef, undef);
		2614	}
		2615	}
		2616
		2617	my $map = eval {
		2618	my $map = defined $path ? cf::map::find $path : undef;
		2619
		2620	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2621	$map = $map->customise_for ($self);
1821		2622	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2623	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2624	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
1826		2626
		2627	$map
		2628	};
		2629
		2630	if ($@) {
		2631	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	LOG llevError | logBacktrace, Carp::longmess $@;
		2633	}
		2634
		2635	if ($gen == $self->{_goto_generation}) {
		2636	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2637	$self->leave_link ($map, $x, $y);
		2638	}
		2639
		2640	$done->() if $done;
1828	})->prio (1);	2641	})->prio (1);
1829	}	2642	}
1830		2643
1831	=item $player_object->enter_exit ($exit_object)	2644	=item $player_object->enter_exit ($exit_object)
1832		2645
…		…
1834		2647
1835	sub parse_random_map_params {	2648	sub parse_random_map_params {
1836	my ($spec) = @_;	2649	my ($spec) = @_;
1837		2650
1838	my $rmp = { # defaults	2651	my $rmp = { # defaults
1839	xsize => 10,	2652	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2653	ysize => (cf::rndm 15, 40),
		2654	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2655	#layout => string,
1841	};	2656	};
1842		2657
1843	for (split /\n/, $spec) {	2658	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2659	my ($k, $v) = split /\s+/, $_, 2;
1845		2660
…		…
1857	# that depends on the exit object	2672	# that depends on the exit object
1858		2673
1859	my $rmp = parse_random_map_params $exit->msg;	2674	my $rmp = parse_random_map_params $exit->msg;
1860		2675
1861	if ($exit->map) {	2676	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2677	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2678	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2679	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2680	$rmp->{origin_y} = $exit->y;
		2681
		2682	$exit->map->touch;
1866	}	2683	}
1867		2684
1868	$rmp->{random_seed} ||= $exit->random_seed;	2685	$rmp->{random_seed} ||= $exit->random_seed;
1869		2686
1870	my $data = cf::to_json $rmp;	2687	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871	my $md5 = Digest::MD5::md5_hex $data;	2688	my $md5 = Digest::MD5::md5_hex $data;
		2689	my $meta = "$RANDOMDIR/$md5.meta";
1872		2690
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2691	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2692	aio_write $fh, 0, (length $data), $data, 0;
		2693	undef $fh;
		2694	aio_rename "$meta~", $meta;
1875		2695
		2696	my $slaying = "?random/$md5";
		2697
		2698	if ($exit->valid) {
1876	$exit->slaying ("?random/$md5");	2699	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2700	$exit->msg (undef);
		2701	}
1878	}	2702	}
1879	}	2703	}
1880		2704
1881	sub cf::object::player::enter_exit {	2705	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2706	my ($self, $exit) = @_;
…		…
1884	return unless $self->type == cf::PLAYER;	2708	return unless $self->type == cf::PLAYER;
1885		2709
1886	$self->enter_link;	2710	$self->enter_link;
1887		2711
1888	(async {	2712	(async {
1889	$self->deactivate_recursive; # just to be sure	2713	$Coro::current->{desc} = "enter_exit";
		2714
1890	unless (eval {	2715	unless (eval {
		2716	$self->deactivate_recursive; # just to be sure
		2717
		2718	# random map handling
		2719	{
		2720	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2721
1891	prepare_random_map $exit	2722	prepare_random_map $exit
1892	if $exit->slaying eq "/!";	2723	if $exit->slaying eq "/!";
		2724	}
1893		2725
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2726	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2727	my $x = $exit->stats->hp;
		2728	my $y = $exit->stats->sp;
1896		2729
		2730	$self->goto ($map, $x, $y);
		2731
		2732	# if exit is damned, update players death & WoR home-position
		2733	$self->contr->savebed ($map, $x, $y)
		2734	if $exit->flag (cf::FLAG_DAMNED);
		2735
1897	1;	2736	1
1898	}) {	2737	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2738	$self->message ("Something went wrong deep within the deliantra server. "
1900	. "I'll try to bring you back to the map you were before. "	2739	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2740	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2741	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2742
1904	warn "ERROR in enter_exit: $@";	2743	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2744	$self->leave_link;
1906	}	2745	}
1907	})->prio (1);	2746	})->prio (1);
…		…
1920		2759
1921	sub cf::client::send_drawinfo {	2760	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2761	my ($self, $text, $flags) = @_;
1923		2762
1924	utf8::encode $text;	2763	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2765	}
1927		2766
		2767	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2768
		2769	Send a drawinfo or msg packet to the client, formatting the msg for the
		2770	client if neccessary. C<$type> should be a string identifying the type of
		2771	the message, with C<log> being the default. If C<$color> is negative, suppress
		2772	the message unless the client supports the msg packet.
		2773
		2774	=cut
		2775
		2776	# non-persistent channels (usually the info channel)
		2777	our %CHANNEL = (
		2778	"c/identify" => {
		2779	id => "infobox",
		2780	title => "Identify",
		2781	reply => undef,
		2782	tooltip => "Items recently identified",
		2783	},
		2784	"c/examine" => {
		2785	id => "infobox",
		2786	title => "Examine",
		2787	reply => undef,
		2788	tooltip => "Signs and other items you examined",
		2789	},
		2790	"c/book" => {
		2791	id => "infobox",
		2792	title => "Book",
		2793	reply => undef,
		2794	tooltip => "The contents of a note or book",
		2795	},
		2796	"c/lookat" => {
		2797	id => "infobox",
		2798	title => "Look",
		2799	reply => undef,
		2800	tooltip => "What you saw there",
		2801	},
		2802	"c/who" => {
		2803	id => "infobox",
		2804	title => "Players",
		2805	reply => undef,
		2806	tooltip => "Shows players who are currently online",
		2807	},
		2808	"c/body" => {
		2809	id => "infobox",
		2810	title => "Body Parts",
		2811	reply => undef,
		2812	tooltip => "Shows which body parts you posess and are available",
		2813	},
		2814	"c/skills" => {
		2815	id => "infobox",
		2816	title => "Skills",
		2817	reply => undef,
		2818	tooltip => "Shows your experience per skill and item power",
		2819	},
		2820	"c/uptime" => {
		2821	id => "infobox",
		2822	title => "Uptime",
		2823	reply => undef,
		2824	tooltip => "How long the server has been running since last restart",
		2825	},
		2826	"c/mapinfo" => {
		2827	id => "infobox",
		2828	title => "Map Info",
		2829	reply => undef,
		2830	tooltip => "Information related to the maps",
		2831	},
		2832	"c/party" => {
		2833	id => "party",
		2834	title => "Party",
		2835	reply => "gsay ",
		2836	tooltip => "Messages and chat related to your party",
		2837	},
		2838	);
		2839
		2840	sub cf::client::send_msg {
		2841	my ($self, $channel, $msg, $color, @extra) = @_;
		2842
		2843	$msg = $self->pl->expand_cfpod ($msg)
		2844	unless $color & cf::NDI_VERBATIM;
		2845
		2846	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2847
		2848	# check predefined channels, for the benefit of C
		2849	if ($CHANNEL{$channel}) {
		2850	$channel = $CHANNEL{$channel};
		2851
		2852	$self->ext_msg (channel_info => $channel)
		2853	if $self->can_msg;
		2854
		2855	$channel = $channel->{id};
		2856
		2857	} elsif (ref $channel) {
		2858	# send meta info to client, if not yet sent
		2859	unless (exists $self->{channel}{$channel->{id}}) {
		2860	$self->{channel}{$channel->{id}} = $channel;
		2861	$self->ext_msg (channel_info => $channel)
		2862	if $self->can_msg;
		2863	}
		2864
		2865	$channel = $channel->{id};
		2866	}
		2867
		2868	return unless @extra || length $msg;
		2869
		2870	if ($self->can_msg) {
		2871	# default colour, mask it out
		2872	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2873	if $color & cf::NDI_DEF;
		2874
		2875	my $pkt = "msg "
		2876	. $self->{json_coder}->encode (
		2877	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2878	);
		2879
		2880	# try lzf for large packets
		2881	$pkt = "lzf " . Compress::LZF::compress $pkt
		2882	if 1024 <= length $pkt and $self->{can_lzf};
		2883
		2884	# split very large packets
		2885	if (8192 < length $pkt and $self->{can_lzf}) {
		2886	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2887	$pkt = "frag";
		2888	}
		2889
		2890	$self->send_packet ($pkt);
		2891	} else {
		2892	if ($color >= 0) {
		2893	# replace some tags by gcfclient-compatible ones
		2894	for ($msg) {
		2895	1 while
		2896	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2897	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2898	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2899	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2900	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2901	}
		2902
		2903	$color &= cf::NDI_COLOR_MASK;
		2904
		2905	utf8::encode $msg;
		2906
		2907	if (0 && $msg =~ /\[/) {
		2908	# COMMAND/INFO
		2909	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2910	} else {
		2911	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2912	$self->send_packet ("drawinfo $color $msg")
		2913	}
		2914	}
		2915	}
		2916	}
		2917
		2918	=item $client->ext_msg ($type, @msg)
		2919
		2920	Sends an ext event to the client.
		2921
		2922	=cut
		2923
		2924	sub cf::client::ext_msg($$@) {
		2925	my ($self, $type, @msg) = @_;
		2926
		2927	if ($self->extcmd == 2) {
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2929	} elsif ($self->extcmd == 1) { # TODO: remove
		2930	push @msg, msgtype => "event_$type";
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
		2933	}
		2934
		2935	=item $client->ext_reply ($msgid, @msg)
		2936
		2937	Sends an ext reply to the client.
		2938
		2939	=cut
		2940
		2941	sub cf::client::ext_reply($$@) {
		2942	my ($self, $id, @msg) = @_;
		2943
		2944	if ($self->extcmd == 2) {
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2946	} elsif ($self->extcmd == 1) {
		2947	#TODO: version 1, remove
		2948	unshift @msg, msgtype => "reply", msgid => $id;
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
1928		2952
1929	=item $success = $client->query ($flags, "text", \&cb)	2953	=item $success = $client->query ($flags, "text", \&cb)
1930		2954
1931	Queues a query to the client, calling the given callback with	2955	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2958
1935	Queries can fail, so check the return code. Or don't, as queries will become	2959	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2960	become reliable at some point in the future.
1937		2961
1938	=cut	2962	=cut
1939		2963
1940	sub cf::client::query {	2964	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2965	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2973	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2975
1952	$self->send_packet ($self->{query_queue}[0][0])	2976	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2977	if @{ $self->{query_queue} } == 1;
		2978
		2979	1
1954	}	2980	}
1955		2981
1956	cf::client->attach (	2982	cf::client->attach (
		2983	on_connect => sub {
		2984	my ($ns) = @_;
		2985
		2986	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2987	},
1957	on_reply => sub {	2988	on_reply => sub {
1958	my ($ns, $msg) = @_;	2989	my ($ns, $msg) = @_;
1959		2990
1960	# this weird shuffling is so that direct followup queries	2991	# this weird shuffling is so that direct followup queries
1961	# get handled first	2992	# get handled first
1962	my $queue = delete $ns->{query_queue}	2993	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2994	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2995
1965	(shift @$queue)->[1]->($msg);	2996	(shift @$queue)->[1]->($msg);
		2997	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2998
1967	push @{ $ns->{query_queue} }, @$queue;	2999	push @{ $ns->{query_queue} }, @$queue;
1968		3000
1969	if (@{ $ns->{query_queue} } == @$queue) {	3001	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	3002	if (@$queue) {
…		…
1972	} else {	3004	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3005	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	3006	}
1975	}	3007	}
1976	},	3008	},
		3009	on_exticmd => sub {
		3010	my ($ns, $buf) = @_;
		3011
		3012	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3013
		3014	if (ref $msg) {
		3015	my ($type, $reply, @payload) =
		3016	"ARRAY" eq ref $msg
		3017	? @$msg
		3018	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3019
		3020	my @reply;
		3021
		3022	if (my $cb = $EXTICMD{$type}) {
		3023	@reply = $cb->($ns, @payload);
		3024	}
		3025
		3026	$ns->ext_reply ($reply, @reply)
		3027	if $reply;
		3028
		3029	} else {
		3030	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3031	}
		3032
		3033	cf::override;
		3034	},
1977	);	3035	);
1978		3036
1979	=item $client->async (\&cb)	3037	=item $client->async (\&cb)
1980		3038
1981	Create a new coroutine, running the specified callback. The coroutine will	3039	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3080	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3081	our $safe_hole = new Safe::Hole;
2024		3082
2025	$SIG{FPE} = 'IGNORE';	3083	$SIG{FPE} = 'IGNORE';
2026		3084
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3085	$safe->permit_only (Opcode::opset qw(
		3086	:base_core :base_mem :base_orig :base_math
		3087	grepstart grepwhile mapstart mapwhile
		3088	sort time
		3089	));
2028		3090
2029	# here we export the classes and methods available to script code	3091	# here we export the classes and methods available to script code
2030		3092
2031	=pod	3093	=pod
2032		3094
2033	The following fucntions and emthods are available within a safe environment:	3095	The following functions and methods are available within a safe environment:
2034		3096
2035	cf::object contr pay_amount pay_player map	3097	cf::object
		3098	contr pay_amount pay_player map x y force_find force_add destroy
		3099	insert remove name archname title slaying race decrease split
		3100
2036	cf::object::player player	3101	cf::object::player
2037	cf::player peaceful	3102	player
2038	cf::map trigger	3103
		3104	cf::player
		3105	peaceful
		3106
		3107	cf::map
		3108	trigger
2039		3109
2040	=cut	3110	=cut
2041		3111
2042	for (	3112	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3113	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3114	insert remove inv nrof name archname title slaying race
		3115	decrease split destroy change_exp)],
2044	["cf::object::player" => qw(player)],	3116	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3117	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	3118	["cf::map" => qw(trigger)],
2047	) {	3119	) {
2048	no strict 'refs';	3120	no strict 'refs';
…		…
2119	=back	3191	=back
2120		3192
2121	=cut	3193	=cut
2122		3194
2123	#############################################################################	3195	#############################################################################
		3196	# the server's init and main functions
2124		3197
2125	=head2 EXTENSION DATABASE SUPPORT	3198	sub load_facedata($) {
		3199	my ($path) = @_;
2126		3200
2127	Crossfire maintains a very simple database for extension use. It can	3201	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3202	# for this (global event?)
2129	excludes objects.	3203	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3204
2131	The parameter C<$family> should best start with the name of the extension	3205	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3206
2134	=over 4	3207	warn "loading facedata from $path\n";
2135		3208
2136	=item $hashref = cf::db_get $family	3209	my $facedata;
		3210	0 < aio_load $path, $facedata
		3211	or die "$path: $!";
2137		3212
2138	Return a hashref for use by the extension C<$family>, which can be	3213	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3214
2142	=item $value = cf::db_get $family => $key	3215	$facedata->{version} == 2
		3216	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3217
2144	Returns a single value from the database	3218	# patch in the exptable
2145		3219	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3220	type => FT_RSRC,
2147		3221	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3222	};
		3223	cf::cede_to_tick;
2197		3224
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3225	{
		3226	my $faces = $facedata->{faceinfo};
2202		3227
2203	sub db_get($;$) {	3228	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3229	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208		3230
2209	sub db_put($$;$) {	3231	cf::face::set_visibility $idx, $info->{visibility};
2210	if (@_ >= 3) {	3232	cf::face::set_magicmap $idx, $info->{magicmap};
2211	$DB->{$_[0]}{$_[1]} = $_[2];	3233	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212	} else {	3234	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217		3235
2218	cf::global->attach (	3236	cf::cede_to_tick;
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3237	}
2223	);
2224	}
2225		3238
2226	#############################################################################	3239	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3240	next unless $info->{smooth};
2228		3241
2229	sub cfg_load {	3242	my $idx = cf::face::find $face
		3243	or next;
		3244
		3245	if (my $smooth = cf::face::find $info->{smooth}) {
		3246	cf::face::set_smooth $idx, $smooth;
		3247	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3248	} else {
		3249	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3250	}
		3251
		3252	cf::cede_to_tick;
		3253	}
		3254	}
		3255
		3256	{
		3257	my $anims = $facedata->{animinfo};
		3258
		3259	while (my ($anim, $info) = each %$anims) {
		3260	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3261	cf::cede_to_tick;
		3262	}
		3263
		3264	cf::anim::invalidate_all; # d'oh
		3265	}
		3266
		3267	{
		3268	# TODO: for gcfclient pleasure, we should give resources
		3269	# that gcfclient doesn't grok a >10000 face index.
		3270	my $res = $facedata->{resource};
		3271
		3272	while (my ($name, $info) = each %$res) {
		3273	if (defined $info->{type}) {
		3274	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3275	my $data;
		3276
		3277	if ($info->{type} & 1) {
		3278	# prepend meta info
		3279
		3280	my $meta = $enc->encode ({
		3281	name => $name,
		3282	%{ $info->{meta} || {} },
		3283	});
		3284
		3285	$data = pack "(w/a*)*", $meta, $info->{data};
		3286	} else {
		3287	$data = $info->{data};
		3288	}
		3289
		3290	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3291	cf::face::set_type $idx, $info->{type};
		3292	} else {
		3293	$RESOURCE{$name} = $info;
		3294	}
		3295
		3296	cf::cede_to_tick;
		3297	}
		3298	}
		3299
		3300	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3301
		3302	1
		3303	}
		3304
		3305	cf::global->attach (on_resource_update => sub {
		3306	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3307	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3308
		3309	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3310	my $sound = $soundconf->{compat}[$_]
		3311	or next;
		3312
		3313	my $face = cf::face::find "sound/$sound->[1]";
		3314	cf::sound::set $sound->[0] => $face;
		3315	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3316	}
		3317
		3318	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3319	my $face = cf::face::find "sound/$v";
		3320	cf::sound::set $k => $face;
		3321	}
		3322	}
		3323	});
		3324
		3325	register_exticmd fx_want => sub {
		3326	my ($ns, $want) = @_;
		3327
		3328	while (my ($k, $v) = each %$want) {
		3329	$ns->fx_want ($k, $v);
		3330	}
		3331	};
		3332
		3333	sub load_resource_file($) {
		3334	my $guard = lock_acquire "load_resource_file";
		3335
		3336	my $status = load_resource_file_ $_[0];
		3337	get_slot 0.1, 100;
		3338	cf::arch::commit_load;
		3339
		3340	$status
		3341	}
		3342
		3343	sub reload_regions {
		3344	# HACK to clear player env face cache, we need some signal framework
		3345	# for this (global event?)
		3346	%ext::player_env::MUSIC_FACE_CACHE = ();
		3347
		3348	load_resource_file "$MAPDIR/regions"
		3349	or die "unable to load regions file\n";
		3350
		3351	for (cf::region::list) {
		3352	$_->{match} = qr/$_->{match}/
		3353	if exists $_->{match};
		3354	}
		3355	}
		3356
		3357	sub reload_facedata {
		3358	load_facedata "$DATADIR/facedata"
		3359	or die "unable to load facedata\n";
		3360	}
		3361
		3362	sub reload_archetypes {
		3363	load_resource_file "$DATADIR/archetypes"
		3364	or die "unable to load archetypes\n";
		3365	}
		3366
		3367	sub reload_treasures {
		3368	load_resource_file "$DATADIR/treasures"
		3369	or die "unable to load treasurelists\n";
		3370	}
		3371
		3372	sub reload_resources {
		3373	warn "reloading resource files...\n";
		3374
		3375	reload_facedata;
		3376	reload_archetypes;
		3377	reload_regions;
		3378	reload_treasures;
		3379
		3380	warn "finished reloading resource files\n";
		3381	}
		3382
		3383	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3384	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3385	or return;
2232		3386
2233	local $/;	3387	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3388	*CFG = YAML::Load <$fh>;
2235		3389
2236	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3390	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237		3391
2238	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3392	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3393	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2245	};	3399	};
2246	warn $@ if $@;	3400	warn $@ if $@;
2247	}	3401	}
2248	}	3402	}
2249		3403
		3404	sub pidfile() {
		3405	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3406	or die "$PIDFILE: $!";
		3407	flock $fh, &Fcntl::LOCK_EX
		3408	or die "$PIDFILE: flock: $!";
		3409	$fh
		3410	}
		3411
		3412	# make sure only one server instance is running at any one time
		3413	sub atomic {
		3414	my $fh = pidfile;
		3415
		3416	my $pid = <$fh>;
		3417	kill 9, $pid if $pid > 0;
		3418
		3419	seek $fh, 0, 0;
		3420	print $fh $$;
		3421	}
		3422
2250	sub main {	3423	sub main {
		3424	cf::init_globals; # initialise logging
		3425
		3426	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3427	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3428	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3429	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3430
		3431	cf::init_experience;
		3432	cf::init_anim;
		3433	cf::init_attackmess;
		3434	cf::init_dynamic;
		3435	cf::init_block;
		3436
		3437	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3438
2251	# we must not ever block the main coroutine	3439	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3440	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3442	(async {
		3443	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3444	EV::loop EV::LOOP_ONESHOT;
		3445	})->prio (Coro::PRIO_MAX);
2255	};	3446	};
2256		3447
2257	cfg_load;	3448	evthread_start IO::AIO::poll_fileno;
2258	db_load;	3449
		3450	cf::sync_job {
		3451	reload_resources;
		3452	reload_config;
		3453	db_init;
		3454
		3455	cf::load_settings;
		3456	cf::load_materials;
		3457	cf::init_uuid;
		3458	cf::init_signals;
		3459	cf::init_commands;
		3460	cf::init_skills;
		3461
		3462	cf::init_beforeplay;
		3463
		3464	atomic;
		3465
2259	load_extensions;	3466	load_extensions;
		3467
		3468	utime time, time, $RUNTIMEFILE;
		3469
		3470	# no (long-running) fork's whatsoever before this point(!)
		3471	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3472
		3473	(pop @POST_INIT)->(0) while @POST_INIT;
		3474	};
		3475
2260	Event::loop;	3476	EV::loop;
2261	}	3477	}
2262		3478
2263	#############################################################################	3479	#############################################################################
2264	# initialisation and cleanup	3480	# initialisation and cleanup
2265		3481
2266	# install some emergency cleanup handlers	3482	# install some emergency cleanup handlers
2267	BEGIN {	3483	BEGIN {
		3484	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3485	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3486	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3487	cf::cleanup "SIG$signal";
2274	},
2275	);	3488	};
		3489	}
		3490	}
		3491
		3492	sub write_runtime_sync {
		3493	# first touch the runtime file to show we are still running:
		3494	# the fsync below can take a very very long time.
		3495
		3496	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3497
		3498	my $guard = cf::lock_acquire "write_runtime";
		3499
		3500	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3501	or return;
		3502
		3503	my $value = $cf::RUNTIME + 90 + 10;
		3504	# 10 is the runtime save interval, for a monotonic clock
		3505	# 60 allows for the watchdog to kill the server.
		3506
		3507	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3508	and return;
		3509
		3510	# always fsync - this file is important
		3511	aio_fsync $fh
		3512	and return;
		3513
		3514	# touch it again to show we are up-to-date
		3515	aio_utime $fh, undef, undef;
		3516
		3517	close $fh
		3518	or return;
		3519
		3520	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3521	and return;
		3522
		3523	warn "runtime file written.\n";
		3524
2276	}	3525	1
		3526	}
		3527
		3528	our $uuid_lock;
		3529	our $uuid_skip;
		3530
		3531	sub write_uuid_sync($) {
		3532	$uuid_skip ||= $_[0];
		3533
		3534	return if $uuid_lock;
		3535	local $uuid_lock = 1;
		3536
		3537	my $uuid = "$LOCALDIR/uuid";
		3538
		3539	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3540	or return;
		3541
		3542	my $value = uuid_seq uuid_cur;
		3543
		3544	unless ($value) {
		3545	warn "cowardly refusing to write zero uuid value!\n";
		3546	return;
		3547	}
		3548
		3549	my $value = uuid_str $value + $uuid_skip;
		3550	$uuid_skip = 0;
		3551
		3552	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3553	and return;
		3554
		3555	# always fsync - this file is important
		3556	aio_fsync $fh
		3557	and return;
		3558
		3559	close $fh
		3560	or return;
		3561
		3562	aio_rename "$uuid~", $uuid
		3563	and return;
		3564
		3565	warn "uuid file written ($value).\n";
		3566
		3567	1
		3568
		3569	}
		3570
		3571	sub write_uuid($$) {
		3572	my ($skip, $sync) = @_;
		3573
		3574	$sync ? write_uuid_sync $skip
		3575	: async { write_uuid_sync $skip };
2277	}	3576	}
2278		3577
2279	sub emergency_save() {	3578	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3579	my $freeze_guard = cf::freeze_mainloop;
2281		3580
2282	warn "enter emergency perl save\n";	3581	warn "emergency_perl_save: enter\n";
2283		3582
2284	cf::sync_job {	3583	cf::sync_job {
		3584	# this is a trade-off: we want to be very quick here, so
		3585	# save all maps without fsync, and later call a global sync
		3586	# (which in turn might be very very slow)
		3587	local $USE_FSYNC = 0;
		3588
2285	# use a peculiar iteration method to avoid tripping on perl	3589	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3590	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3591	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3592	warn "emergency_perl_save: begin player save\n";
2289	for my $login (keys %cf::PLAYER) {	3593	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3594	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3595	$pl->valid or next;
		3596	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3597	$pl->save;
2293	}	3598	}
2294	warn "end emergency player save\n";	3599	warn "emergency_perl_save: end player save\n";
2295		3600
2296	warn "begin emergency map save\n";	3601	warn "emergency_perl_save: begin map save\n";
2297	for my $path (keys %cf::MAP) {	3602	for my $path (keys %cf::MAP) {
2298	my $map = $cf::MAP{$path} or next;	3603	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3604	$map->valid or next;
2300	$map->save;	3605	$map->save;
2301	}	3606	}
2302	warn "end emergency map save\n";	3607	warn "emergency_perl_save: end map save\n";
		3608
		3609	warn "emergency_perl_save: begin database checkpoint\n";
		3610	BDB::db_env_txn_checkpoint $DB_ENV;
		3611	warn "emergency_perl_save: end database checkpoint\n";
		3612
		3613	warn "emergency_perl_save: begin write uuid\n";
		3614	write_uuid_sync 1;
		3615	warn "emergency_perl_save: end write uuid\n";
2303	};	3616	};
2304		3617
		3618	warn "emergency_perl_save: starting sync()\n";
		3619	IO::AIO::aio_sync sub {
		3620	warn "emergency_perl_save: finished sync()\n";
		3621	};
		3622
2305	warn "leave emergency perl save\n";	3623	warn "emergency_perl_save: leave\n";
2306	}	3624	}
2307		3625
		3626	sub post_cleanup {
		3627	my ($make_core) = @_;
		3628
		3629	warn Carp::longmess "post_cleanup backtrace"
		3630	if $make_core;
		3631
		3632	my $fh = pidfile;
		3633	unlink $PIDFILE if <$fh> == $$;
		3634	}
		3635
		3636	# a safer delete_package, copied from Symbol
		3637	sub clear_package($) {
		3638	my $pkg = shift;
		3639
		3640	# expand to full symbol table name if needed
		3641	unless ($pkg =~ /^main::.*::$/) {
		3642	$pkg = "main$pkg" if $pkg =~ /^::/;
		3643	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3644	$pkg .= '::' unless $pkg =~ /::$/;
		3645	}
		3646
		3647	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3648	my $stem_symtab = *{$stem}{HASH};
		3649
		3650	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3651	or return;
		3652
		3653	# clear all symbols
		3654	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3655	for my $name (keys %$leaf_symtab) {
		3656	_gv_clear *{"$pkg$name"};
		3657	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3658	}
		3659	warn "cleared package $pkg\n";#d#
		3660	}
		3661
2308	sub reload() {	3662	sub do_reload_perl() {
2309	# can/must only be called in main	3663	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3664	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3665	warn "can only reload from main coroutine";
2312	return;	3666	return;
2313	}	3667	}
2314		3668
		3669	return if $RELOAD++;
		3670
		3671	my $t1 = EV::time;
		3672
		3673	while ($RELOAD) {
2315	warn "reloading...";	3674	warn "reloading...";
2316		3675
2317	warn "freezing server";	3676	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3677
		3678	cf::sync_job {
		3679	cf::write_runtime_sync; # external watchdog should not bark
2319	cf::emergency_save;	3680	cf::emergency_save;
		3681	cf::write_runtime_sync; # external watchdog should not bark
2320		3682
2321	warn "sync database to disk";	3683	warn "syncing database to disk";
2322	cf::db_sync;	3684	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3685
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3686	# if anything goes wrong in here, we should simply crash as we already saved
2327		3687
2328	warn "cancel all watchers";	3688	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3689	while (IO::AIO::nreqs || BDB::nreqs) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3690	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331	}
2332
2333	warn "cancel all extension coros";
2334	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();
2336
2337	warn "remove commands";
2338	%COMMAND = ();
2339
2340	warn "remove ext commands";
2341	%EXTCMD = ();
2342
2343	warn "unload/nuke all extensions";
2344	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";
2346
2347	if (my $cb = $pkg->can ("unload")) {
2348	eval {
2349	$cb->($pkg);
2350	1
2351	} or warn "$pkg unloaded, but with errors: $@";
2352	}	3691	}
2353		3692
		3693	warn "cancelling all extension coros";
		3694	$_->cancel for values %EXT_CORO;
		3695	%EXT_CORO = ();
		3696
		3697	warn "removing commands";
		3698	%COMMAND = ();
		3699
		3700	warn "removing ext/exti commands";
		3701	%EXTCMD = ();
		3702	%EXTICMD = ();
		3703
		3704	warn "unloading/nuking all extensions";
		3705	for my $pkg (@EXTS) {
2354	warn "... nuking $pkg";	3706	warn "... unloading $pkg";
2355	Symbol::delete_package $pkg;
2356	}
2357		3707
2358	warn "unload all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362	warn "removing <$k>";
2363	delete $INC{$k};
2364
2365	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;
2367
2368	if (my $cb = $k->can ("unload_module")) {	3708	if (my $cb = $pkg->can ("unload")) {
		3709	eval {
2369	$cb->();	3710	$cb->($pkg);
		3711	1
		3712	} or warn "$pkg unloaded, but with errors: $@";
		3713	}
		3714
		3715	warn "... clearing $pkg";
		3716	clear_package $pkg;
2370	}	3717	}
2371		3718
2372	Symbol::delete_package $k;	3719	warn "unloading all perl modules loaded from $LIBDIR";
		3720	while (my ($k, $v) = each %INC) {
		3721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3722
		3723	warn "... unloading $k";
		3724	delete $INC{$k};
		3725
		3726	$k =~ s/\.pm$//;
		3727	$k =~ s/\//::/g;
		3728
		3729	if (my $cb = $k->can ("unload_module")) {
		3730	$cb->();
		3731	}
		3732
		3733	clear_package $k;
2373	}	3734	}
2374		3735
2375	warn "get rid of safe::, as good as possible";	3736	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3737	clear_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3739
2379	warn "unload cf.pm \"a bit\"";	3740	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3741	delete $INC{"cf.pm"};
		3742	delete $INC{"cf/pod.pm"};
2381		3743
2382	# don't, removes xs symbols, too,	3744	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3745	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3746	#clear_package __PACKAGE__;
2385		3747
		3748	warn "unload completed, starting to reload now";
		3749
2386	warn "reloading cf.pm";	3750	warn "reloading cf.pm";
2387	require cf;	3751	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3753
2390	warn "load config and database again";	3754	warn "loading config and database again";
2391	cf::cfg_load;	3755	cf::reload_config;
2392	cf::db_load;
2393		3756
2394	warn "load extensions";	3757	warn "loading extensions";
2395	cf::load_extensions;	3758	cf::load_extensions;
2396		3759
		3760	if ($REATTACH_ON_RELOAD) {
2397	warn "reattach attachments to objects/players";	3761	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3762	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3763	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3764	reattach $_ for values %MAP;
		3765	warn "reattaching attachments to players";
		3766	reattach $_ for values %PLAYER;
		3767	}
		3768
		3769	warn "running post_init jobs";
		3770	(pop @POST_INIT)->(1) while @POST_INIT;
		3771
		3772	warn "leaving sync_job";
		3773
		3774	1
		3775	} or do {
		3776	warn $@;
		3777	cf::cleanup "error while reloading, exiting.";
		3778	};
		3779
		3780	warn "reloaded";
		3781	--$RELOAD;
		3782	}
		3783
		3784	$t1 = EV::time - $t1;
		3785	warn "reload completed in ${t1}s\n";
		3786	};
		3787
		3788	our $RELOAD_WATCHER; # used only during reload
		3789
		3790	sub reload_perl() {
		3791	# doing reload synchronously and two reloads happen back-to-back,
		3792	# coro crashes during coro_state_free->destroy here.
		3793
		3794	$RELOAD_WATCHER ||= cf::async {
		3795	Coro::AIO::aio_wait cache_extensions;
		3796
		3797	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3798	do_reload_perl;
		3799	undef $RELOAD_WATCHER;
		3800	};
2401	};	3801	};
2402
2403	if ($@) {
2404	warn $@;
2405	warn "error while reloading, exiting.";
2406	exit 1;
2407	}
2408
2409	warn "reloaded";
2410	};
2411
2412	#############################################################################
2413
2414	unless ($LINK_MAP) {
2415	$LINK_MAP = cf::map::new;
2416
2417	$LINK_MAP->width (41);
2418	$LINK_MAP->height (41);
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3802	}
2454		3803
2455	register_command "reload" => sub {	3804	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3805	my ($who, $arg) = @_;
2457		3806
2458	if ($who->flag (FLAG_WIZ)) {	3807	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3808	$who->message ("reloading server.");
		3809	async {
		3810	$Coro::current->{desc} = "perl_reload";
		3811	reload_perl;
		3812	};
2462	}	3813	}
2463	};	3814	};
2464		3815
2465	unshift @INC, $LIBDIR;	3816	unshift @INC, $LIBDIR;
2466		3817
2467	$TICK_WATCHER = Event->timer (	3818	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3819
		3820	our @WAIT_FOR_TICK;
		3821	our @WAIT_FOR_TICK_BEGIN;
		3822
		3823	sub wait_for_tick {
		3824	return if tick_inhibit || $Coro::current == $Coro::main;
		3825
		3826	my $signal = new Coro::Signal;
		3827	push @WAIT_FOR_TICK, $signal;
		3828	$signal->wait;
		3829	}
		3830
		3831	sub wait_for_tick_begin {
		3832	return if tick_inhibit || $Coro::current == $Coro::main;
		3833
		3834	my $signal = new Coro::Signal;
		3835	push @WAIT_FOR_TICK_BEGIN, $signal;
		3836	$signal->wait;
		3837	}
		3838
		3839	sub tick {
		3840	if ($Coro::current != $Coro::main) {
		3841	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3842	unless ++$bug_warning > 10;
		3843	return;
		3844	}
		3845
2475	cf::server_tick; # one server iteration	3846	cf::server_tick; # one server iteration
2476	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;
2478		3847
2479	$WAIT_FOR_TICK->broadcast;	3848	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3849	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2481		3850	Coro::async_pool {
2482	# if we are delayed by four ticks or more, skip them all	3851	$Coro::current->{desc} = "runtime saver";
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3852	write_runtime_sync
2507	or warn "ERROR: unable to write runtime file: $!";	3853	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3854	};
2509	},	3855	}
2510	);	3856
		3857	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3858	$sig->send;
		3859	}
		3860	while (my $sig = shift @WAIT_FOR_TICK) {
		3861	$sig->send;
		3862	}
		3863
		3864	$LOAD = ($NOW - $TICK_START) / $TICK;
		3865	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3866
		3867	if (0) {
		3868	if ($NEXT_TICK) {
		3869	my $jitter = $TICK_START - $NEXT_TICK;
		3870	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3871	warn "jitter $JITTER\n";#d#
		3872	}
		3873	}
		3874	}
		3875
		3876	{
		3877	# configure BDB
		3878
		3879	BDB::min_parallel 8;
		3880	BDB::max_poll_reqs $TICK * 0.1;
		3881	$AnyEvent::BDB::WATCHER->priority (1);
		3882
		3883	unless ($DB_ENV) {
		3884	$DB_ENV = BDB::db_env_create;
		3885	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3886	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3887	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3888	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3889	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3890
		3891	cf::sync_job {
		3892	eval {
		3893	BDB::db_env_open
		3894	$DB_ENV,
		3895	$BDBDIR,
		3896	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3897	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3898	0666;
		3899
		3900	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3901	};
		3902
		3903	cf::cleanup "db_env_open(db): $@" if $@;
		3904	};
		3905	}
		3906
		3907	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3908	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3909	};
		3910	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3911	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3912	};
		3913	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3914	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3915	};
		3916	}
		3917
		3918	{
		3919	# configure IO::AIO
		3920
		3921	IO::AIO::min_parallel 8;
		3922	IO::AIO::max_poll_time $TICK * 0.1;
		3923	undef $AnyEvent::AIO::WATCHER;
		3924	}
		3925
		3926	my $_log_backtrace;
		3927
		3928	sub _log_backtrace {
		3929	my ($msg, @addr) = @_;
		3930
		3931	$msg =~ s/\n//;
		3932
		3933	# limit the # of concurrent backtraces
		3934	if ($_log_backtrace < 2) {
		3935	++$_log_backtrace;
		3936	my $perl_bt = Carp::longmess $msg;
		3937	async {
		3938	$Coro::current->{desc} = "abt $msg";
		3939
		3940	my @bt = fork_call {
		3941	@addr = map { sprintf "%x", $_ } @addr;
		3942	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3943	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3944	or die "addr2line: $!";
		3945
		3946	my @funcs;
		3947	my @res = <$fh>;
		3948	chomp for @res;
		3949	while (@res) {
		3950	my ($func, $line) = splice @res, 0, 2, ();
		3951	push @funcs, "[$func] $line";
		3952	}
		3953
		3954	@funcs
		3955	};
		3956
		3957	LOG llevInfo, "[ABT] $perl_bt\n";
		3958	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3959	LOG llevInfo, "[ABT] $_\n" for @bt;
		3960	--$_log_backtrace;
		3961	};
		3962	} else {
		3963	LOG llevInfo, "[ABT] $msg\n";
		3964	LOG llevInfo, "[ABT] [suppressed]\n";
		3965	}
		3966	}
		3967
		3968	# load additional modules
		3969	use cf::pod;
2511		3970
2512	END { cf::emergency_save }	3971	END { cf::emergency_save }
2513		3972
2514	1	3973	1
2515		3974

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