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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.486 by root, Thu Oct 15 21:56:50 2009 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 it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
12		37
		38	use Guard ();
13	use Coro 3.3 ();	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
		55	use BDB ();
20	use Data::Dumper;	56	use Data::Dumper;
21	use Digest::MD5;	57	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
42		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
43	our @EVENT;	93	our @EVENT;
44	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
45		96
46	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
47	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		114	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	115	our $NEXT_TICK;
49	our $NOW;	116	our $USE_FSYNC = 1; # use fsync to write maps - default on
		117
		118	our $BDB_DEADLOCK_WATCHER;
		119	our $BDB_CHECKPOINT_WATCHER;
		120	our $BDB_TRICKLE_WATCHER;
		121	our $DB_ENV;
		122
		123	our @EXTRA_MODULES = qw(pod match mapscript);
50		124
51	our %CFG;	125	our %CFG;
52		126
53	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
55		130
56	our %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		134
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
63		147
64	binmode STDOUT;	148	binmode STDOUT;
65	binmode STDERR;	149	binmode STDERR;
66		150
67	# read virtual server time, if available	151	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
69	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
70	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
71	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
72	}	156	}
73		157
74	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
75	mkdir cf::localdir . "/" . cf::playerdir;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		159
80	# a special map that is always available	160	mkdir $_
81	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
82	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
83		177
84	#############################################################################	178	#############################################################################
85		179
86	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
87		181
…		…
94	=item $cf::RUNTIME	188	=item $cf::RUNTIME
95		189
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	190	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	191	every server tick.
98		192
99	=item $cf::LIBDIR	193	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		194	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		195	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		196
101	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	198	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		199	unique-items directory, player file directory, random maps directory and
		200	database environment.
103		201
104	=item $cf::NOW	202	=item $cf::NOW
105		203
106	The time of the last (current) server tick.	204	The time of the last (current) server tick.
107		205
108	=item $cf::TICK	206	=item $cf::TICK
109		207
110	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
111		209
		210	=item $cf::LOADAVG
		211
		212	The current CPU load on the server (alpha-smoothed), as a value between 0
		213	(none) and 1 (overloaded), indicating how much time is spent on processing
		214	objects per tick. Healthy values are < 0.5.
		215
		216	=item $cf::LOAD
		217
		218	The raw value load value from the last tick.
		219
112	=item %cf::CFG	220	=item %cf::CFG
113		221
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	223	from wherever your confdir points to.
116		224
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	225	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		226
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	228	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
123		242
124	=back	243	=back
125		244
126	=cut	245	=cut
127		246
128	BEGIN {	247	$Coro::State::WARNHOOK = sub {
129	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	248	my $msg = join "", @_;
131	utf8::encode $msg;
132		249
133	$msg .= "\n"	250	$msg .= "\n"
134	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
135		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
136	LOG llevError, $msg;	255	LOG llevError, $msg;
137	};	256	};
138	}	257
		258	$Coro::State::DIEHOOK = sub {
		259	return unless $^S eq 0; # "eq", not "=="
		260
		261	warn Carp::longmess $_[0];
		262
		263	if ($Coro::current == $Coro::main) {#d#
		264	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		265	return;#d#
		266	}#d#
		267
		268	# kill coroutine otherwise
		269	Coro::terminate
		270	};
139		271
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	276	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		277	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	278	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		279
147	# we bless all objects into (empty) derived classes to force a method lookup	280	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	281	# within the Safe compartment.
149	for my $pkg (qw(	282	for my $pkg (qw(
150	cf::global cf::attachable	283	cf::global cf::attachable
151	cf::object cf::object::player	284	cf::object cf::object::player
152	cf::client cf::player	285	cf::client cf::player
153	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
154	cf::map cf::party cf::region	288	cf::party cf::region
155	)) {	289	)) {
156	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	291	}
159		292
160	$Event::DIED = sub {	293	$EV::DIED = sub {
161	warn "error in event callback: @_";	294	warn "error in event callback: @_";
162	};	295	};
		296
		297	#############################################################################
163		298
164	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
165		300
166	=over 4	301	=over 4
167		302
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	322	$d
188	} || "[unable to dump $_[0]: '$@']";	323	} || "[unable to dump $_[0]: '$@']";
189	}	324	}
190		325
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
194		327
195	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
196		329
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
205		331
206	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
207		333
208	=cut	334	=cut
209		335
210	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
212	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
213	}	353	}
214		354
215	=item cf::lock_wait $string	355	=item cf::lock_wait $string
216		356
217	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
218		358
219	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
220		360
221	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
224	returned.	364	returned.
225		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
226	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
228		371
229	=cut	372	=item $locked = cf::lock_active $string
230		373
231	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
232		379
233	sub lock_wait($) {	380	sub lock_wait($) {
234	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
235
236	# wait for lock, if any
237	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;
240	}
241	}	382	}
242		383
243	sub lock_acquire($) {	384	sub lock_acquire($) {
244	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
245		387
246	# wait, to be sure we are not locked	388	sub lock_active($) {
247	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
248
249	$LOCK{$key} = [];
250
251	Coro::guard {
252	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };
254	}
255	}	390	}
256		391
257	sub freeze_mainloop {	392	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
259		394
260	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
261	$TICK_WATCHER->stop;	396	}
262	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
263	}	471	}
264		472
265	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
266		474
267	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		480
273	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
274		482
275	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
276		484
277	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
280		489
281	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
284	fast or be very important.	493	fast or be very important.
…		…
287		496
288	sub sync_job(&) {	497	sub sync_job(&) {
289	my ($job) = @_;	498	my ($job) = @_;
290		499
291	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
292	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
294		505
295	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
296	# (but this is cancel-safe)	507
297	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
298		509
299	my $busy = 1;	510	my $busy = 1;
300	my @res;	511	my @res;
301		512
302	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	515	@res = eval { $job->() };
304	warn $@ if $@;	516	warn $@ if $@;
305	undef $busy;	517	undef $busy;
306	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
307		519
308	while ($busy) {	520	while ($busy) {
309	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
310	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
311		531
312	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
313	} else {	533	} else {
314	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
315		535
…		…
335	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
336		556
337	$coro	557	$coro
338	}	558	}
339		559
340	sub write_runtime {	560	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		561
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
344	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
345		566
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		568
350	aio_fsync $fh	569	sub fork_call(&@) {
351	and return;	570	my ($cb, @args) = @_;
352		571
353	close $fh	572	# we seemingly have to make a local copy of the whole thing,
354	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
355		575
356	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
357	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
358		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
359	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	747	}
361		748
362	=back	749	=back
363		750
364	=cut	751	=cut
365		752
366	#############################################################################	753	#############################################################################
367		754
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492
493	#############################################################################
494
495	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
496		756
497	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
498	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
500		760
501	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	763	Deliantra).
504		764
505	=over 4	765	=over 4
506		766
507	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
508		768
…		…
552	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
553		813
554	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
555	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
556		816
557	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
558	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
559		819
560	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
561		821
562	=over 4	822	=over 4
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	883	our @CB_MAP = ();
624		884
625	my %attachment;	885	my %attachment;
626		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
627	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
629		895
630	use sort 'stable';	896	use sort 'stable';
631		897
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
666		932
667	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		937
672	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	939	my $pkg = shift @arg;
674		940
675	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
705	}	971	}
706		972
707	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
708	} else {	974	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	976	}
711		977
712	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
713	}	979	}
714		980
…		…
716	if (ref $_[0]) {	982	if (ref $_[0]) {
717	_object_attach @_;	983	_object_attach @_;
718	} else {	984	} else {
719	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
720	}	986	}
		987	_recalc_want;
721	};	988	};
722		989
723	# all those should be optimised	990	# all those should be optimised
724	sub cf::attachable::detach {	991	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
729	reattach ($obj);	996	reattach ($obj);
730	} else {	997	} else {
731	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
732	}	999	}
		1000	_recalc_want;
733	};	1001	};
734		1002
735	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
737		1005
…		…
752	";	1020	";
753	die if $@;	1021	die if $@;
754	}	1022	}
755		1023
756	our $override;	1024	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		1026
759	sub override {	1027	sub override {
760	$override = 1;	1028	$override = 1;
761	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
762	}	1030	}
763		1031
764	sub do_invoke {	1032	sub do_invoke {
765	my $event = shift;	1033	my $event = shift;
766	my $callbacks = shift;	1034	my $callbacks = shift;
767		1035
768	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
769		1037
770	local $override;	1038	local $override;
771		1039
772	for (@$callbacks) {	1040	for (@$callbacks) {
773	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
782	}	1050	}
783		1051
784	0	1052	0
785	}	1053	}
786		1054
787	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788		1056
789	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790		1058
791	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
792		1060
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		1064
797	=back	1065	=back
798		1066
799	=cut	1067	=cut
800		1068
801	#############################################################################	1069	#############################################################################
802	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
803		1113
804	sub reattach {	1114	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1120
808	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
809		1122
810	@$registry = ();	1123	@$registry = ();
811		1124
…		…
826	cf::attachable->attach (	1139	cf::attachable->attach (
827	prio => -1000000,	1140	prio => -1000000,
828	on_instantiate => sub {	1141	on_instantiate => sub {
829	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
830		1143
831	$data = from_json $data;	1144	$data = decode_json $data;
832		1145
833	for (@$data) {	1146	for (@$data) {
834	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
835		1148
836	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1165	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
854		1167
855	sync_job {	1168	sync_job {
856	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
859		1173
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
863	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
864	close $fh;	1181	aio_close $fh;
865		1182
866	if (@$objs) {	1183	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
871	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
872	close $fh;	1192	aio_close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
874	}	1194	}
875	} else {	1195	} else {
876	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
877	}	1197	}
878		1198
879	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
880	} else {	1203	} else {
881	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
882	}	1205	}
883	} else {	1206	} else {
884	aio_unlink $filename;	1207	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
886	}	1209	}
887	}	1210	};
888	}	1211	}
889		1212
890	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
892		1215
…		…
904	or return;	1227	or return;
905		1228
906	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
908	or return;	1231	or return;
		1232
909	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
910	}	1235	}
911		1236
		1237	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
914	return ($data, $av);	1241	($data, $av)
915	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
916		1249
917	#############################################################################	1250	#############################################################################
918	# command handling &c	1251	# command handling &c
919		1252
920	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1267	}
935		1268
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1270
938	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
939		1276
940	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
941	called.	1278	called.
942		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
943	=cut	1291	=cut
944		1292
945	sub register_extcmd {	1293	sub register_extcmd {
946	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
947		1295
948	$EXTCMD{$name} = $cb;	1296	$EXTCMD{$name} = $cb;
949	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
950		1306
951	cf::player->attach (	1307	cf::player->attach (
952	on_command => sub {	1308	on_command => sub {
953	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
954		1310
…		…
962	cf::override;	1318	cf::override;
963	},	1319	},
964	on_extcmd => sub {	1320	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
966		1322
967	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1324
969	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
975	} else {	1340	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1342	}
978		1343
979	cf::override;	1344	cf::override;
980	},	1345	},
981	);	1346	);
982		1347
		1348	# "readahead" all extensions
983	sub load_extension {	1349	sub cache_extensions {
984	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
985		1351
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
987	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
988	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
989	$pkg =~ s/[^[:word:]]/_/g;	1355	}
990	$pkg = "ext::$pkg";	1356	};
991		1357
992	warn "... loading '$path' into '$pkg'\n";	1358	$grp
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}	1359	}
1009		1360
1010	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1011	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1366	next unless -r $path;
1013	eval {	1367
1014	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
1015	1	1424	}
1016	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1017	}	1430	};
1018	}	1431	}
1019		1432
1020	#############################################################################	1433	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1434
1023	*cf::mapsupport::on_clean = sub {	1435	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1436
1036	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1037		1438
1038	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1039		1440
1040	=cut	1441	=cut
1041		1442
1042	package cf::player;	1443	package cf::player;
1043		1444
…		…
1045		1446
1046	=head3 cf::player	1447	=head3 cf::player
1047		1448
1048	=over 4	1449	=over 4
1049		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
1050	=item cf::player::find $login	1465	=item cf::player::find $login
1051		1466
1052	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1053		1468
1054	=cut	1469	=cut
1055		1470
1056	sub playerdir($) {	1471	sub playerdir($) {
1057	cf::localdir	1472	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1474	}
1063		1475
1064	sub path($) {	1476	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1478
1067	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1068	}	1480	}
1069		1481
1070	sub find_active($) {	1482	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1075		1487
1076	sub exists($) {	1488	sub exists($) {
1077	my ($login) = @_;	1489	my ($login) = @_;
1078		1490
1079	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1081	}	1493	}
1082		1494
1083	sub find($) {	1495	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1497	my $login = $_[0];
1086		1498
1087	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1088		1500
1089	$cf::PLAYER{$_[0]} || do {	1501	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1517	$cf::PLAYER{$login} = $pl
1093	}	1518	}
1094	}	1519	}
1095	}	1520	}
1096		1521
…		…
1105	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1106		1531
1107	aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1109		1534
		1535	cf::get_slot 0.01;
		1536
1110	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1111	Coro::cede;	1538	cf::cede_to_tick;
1112	}	1539	}
1113		1540
1114	sub new($) {	1541	sub new($) {
1115	my ($login) = @_;	1542	my ($login) = @_;
1116		1543
…		…
1122	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1123		1550
1124	$self	1551	$self
1125	}	1552	}
1126		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
1127	=item $pl->quit_character	1564	=item $pl->quit_character
1128		1565
1129	Nukes the player without looking back. If logged in, the connection will	1566	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1567	be destroyed. May block for a long time.
1131		1568
1132	=cut	1569	=cut
1133		1570
1134	sub quit_character {	1571	sub quit_character {
1135	my ($pl) = @_;	1572	my ($pl) = @_;
1136		1573
		1574	my $name = $pl->ob->name;
		1575
1137	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1139		1578
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1142	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1143	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1144		1585
1145	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1588	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1590	$pl->destroy;
		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1150	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
1151	}	1612	}
1152		1613
1153	=item cf::player::list_logins	1614	=item cf::player::list_logins
1154		1615
1155	Returns am arrayref of all valid playernames in the system, can take a	1616	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1617	while and may block, so not sync_job-capable, ever.
1157		1618
1158	=cut	1619	=cut
1159		1620
1160	sub list_logins {	1621	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1622	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1623	or return [];
1163		1624
1164	my @logins;	1625	my @logins;
1165		1626
1166	for my $login (@$dirs) {	1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1634	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
1170		1637
1171	utf8::decode $login;	1638	utf8::decode $login;
1172	push @logins, $login;	1639	push @logins, $login;
1173	}	1640	}
1174		1641
1175	\@logins	1642	\@logins
1176	}	1643	}
1177		1644
1178	=item $player->maps	1645	=item $player->maps
1179		1646
1180	Returns an arrayref of cf::path's of all maps that are private for this	1647	Returns an arrayref of map paths that are private for this
1181	player. May block.	1648	player. May block.
1182		1649
1183	=cut	1650	=cut
1184		1651
1185	sub maps($) {	1652	sub maps($) {
1186	my ($pl) = @_;	1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1656
1188	my $files = aio_readdir playerdir $pl	1657	my $files = aio_readdir playerdir $pl
1189	or return;	1658	or return;
1190		1659
1191	my @paths;	1660	my @paths;
…		…
1193	for (@$files) {	1662	for (@$files) {
1194	utf8::decode $_;	1663	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1664	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1665	next unless /^$PATH_SEP/o;
1197		1666
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1667	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1668	}
1200		1669
1201	\@paths	1670	\@paths
1202	}	1671	}
1203		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1205		1678
1206	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1207		1680
1208	=cut	1681	=cut
1209		1682
1210	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1212		1685
1213	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1687	}
1217		1688
1218	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1219		1729
1220	=back	1730	=back
1221
1222		1731
1223	=head3 cf::map	1732	=head3 cf::map
1224		1733
1225	=over 4	1734	=over 4
1226		1735
…		…
1229	package cf::map;	1738	package cf::map;
1230		1739
1231	use Fcntl;	1740	use Fcntl;
1232	use Coro::AIO;	1741	use Coro::AIO;
1233		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1234	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1236		1749
1237	sub generate_random_map {	1750	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239		1754
1240	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1756	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1254	}	1769	}
1255		1770
1256	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1257	# all maps in C++...
1258	sub change_all_map_light {
1259	my ($change) = @_;
1260		1772
1261	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1262	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1263	}	1775	default).
1264		1776
1265	sub try_load_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1266	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1267		1916
1268	utf8::encode $path;	1917	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1270	or return;	1919	or return;
1271		1920
1272	my $map = cf::map::new	1921	$self->_load_header ($f)
1273	or return;	1922	or return;
1274		1923
1275	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1277		1926
1278	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1279	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1280		1973
1281	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1282		1976
1283	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1284	}	1981	}
1285		1982
1286	sub find;	1983	sub find;
1287	sub find {	1984	sub find {
1288	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1289		1986
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1988
1295	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1296
1297	$cf::MAP{$key} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1299		1991
1300	# do it the slow way	1992	$cf::MAP{$path} || do {
1301	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1994	or return;
1319		1995
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1332		1997
1333	Coro::cede;	1998	$map->load_header
		1999	or return;
1334		2000
1335	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1336	$map->reset;	2006	$map->reset;
1337	undef $guard;
1338	$map = find $path	2007	return find $path;
1339	or return;
1340	}	2008	}
1341		2009
1342	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1343	}	2011	}
1344	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1345		2016
1346	sub load {	2017	sub load {
1347	my ($self) = @_;	2018	my ($self) = @_;
1348		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1349	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1351		2026
		2027	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2029
1354	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1355		2031
1356	$self->alloc;	2032	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1358	or return;	2040	or return;
1359		2041
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1361	if delete $self->{load_original};	2043	if delete $self->{load_original};
1362		2044
1363	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2046	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2049	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1368	}	2053	}
1369	}	2054	}
1370		2055
1371	Coro::cede;	2056	$f->resolve_delayed_derefs;
1372		2057
		2058	cf::cede_to_tick;
1373	# now do the right thing for maps	2059	# now do the right thing for maps
1374	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1386	$self->activate;	2070	$self->activate;
1387	}	2071	}
1388		2072
1389	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1390		2075
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
1392	}	2092	}
1393		2093
1394	# find and load all maps in the 3x3 area around a map	2094	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2095	sub load_neighbours {
1396	my ($map) = @_;	2096	my ($map) = @_;
1397		2097
1398	my @diag; # diagonal neighbours	2098	my @neigh; # diagonal neighbours
1399		2099
1400	for (0 .. 3) {	2100	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2101	my $neigh = $map->tile_path ($_)
1402	or next;	2102	or next;
1403	$neigh = find $neigh, $map	2103	$neigh = find $neigh, $map
1404	or next;	2104	or next;
1405	$neigh->load;	2105	$neigh->load;
1406		2106
		2107	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2110	}
1410		2111
1411	for (@diag) {	2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2114	my $neigh = find $path, $origin
1413	or next;	2115	or next;
1414	$neigh->load;	2116	$neigh->load;
1415	}	2117	}
1416	}	2118	}
1417		2119
…		…
1422	}	2124	}
1423		2125
1424	sub do_load_sync {	2126	sub do_load_sync {
1425	my ($map) = @_;	2127	my ($map) = @_;
1426		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1427	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
1428	}	2133	}
1429		2134
1430	our %MAP_PREFETCH;	2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
1431	our $MAP_PREFETCHER = Coro::async {	2149	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2150	$Coro::current->{desc} = "map prefetcher";
		2151
1433	while (%MAP_PREFETCH) {	2152	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2153	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
1436	my $path = delete $MAP_PREFETCH{$key};	2158	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2159	}
1442	Coro::schedule;	2160	}
		2161	undef $MAP_PREFETCHER;
1443	}	2162	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2163	$MAP_PREFETCHER->prio (6);
1458		2164
1459	()	2165	()
1460	}	2166	}
1461		2167
1462	sub save {	2168	sub save {
1463	my ($self) = @_;	2169	my ($self) = @_;
1464		2170
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2172
1467	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1468		2174
1469	return unless $self->dirty;	2175	return unless $self->dirty;
1470		2176
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2179
1474	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1475		2181
1476	return if $self->{deny_save};	2182	return if $self->{deny_save};
1477		2183
1478	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1479		2185
1480	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1482	};	2189	};
1483		2190
		2191	cf::get_slot 0.02;
		2192
1484	if ($uniq) {	2193	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2196	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2198	}
1490	}	2199	}
1491		2200
1492	sub swap_out {	2201	sub swap_out {
1493	my ($self) = @_;	2202	my ($self) = @_;
1494		2203
1495	# save first because save cedes	2204	# save first because save cedes
1496	$self->save;	2205	$self->save;
1497		2206
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2208
1500	return if $self->players;	2209	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1502	return if $self->{deny_save};	2211	return if $self->{deny_save};
1503		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2217	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2218	}
1507		2219
1508	sub reset_at {	2220	sub reset_at {
1509	my ($self) = @_;	2221	my ($self) = @_;
1510		2222
1511	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1514		2225
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2228
…		…
1522	my ($self) = @_;	2233	my ($self) = @_;
1523		2234
1524	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1525	}	2236	}
1526		2237
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2238	sub reset {
1549	my ($self) = @_;	2239	my ($self) = @_;
1550		2240
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2242
1553	return if $self->players;	2243	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2244
1556	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1557		2256
1558	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1559		2258
		2259	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1561		2262
1562	$self->unlink_save;	2263	$self->unlink_save;
1563	$self->destroy;	2264	$self->destroy;
1564	}	2265	}
1565		2266
1566	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1567		2268
1568	sub nuke {	2269	sub nuke {
1569	my ($self) = @_;	2270	my ($self) = @_;
1570		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1574	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1575	}	2289	}
1576		2290
1577	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2292
1580	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1582	}	2299	[
		2300	map {
		2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
		2307	}
1583		2308
1584	$map	2309	=item $maps = cf::map::random_maps
		2310
		2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
		2313
		2314	=cut
		2315
		2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
1585	}	2325	}
1586		2326
1587	=item cf::map::unique_maps	2327	=item cf::map::unique_maps
1588		2328
1589	Returns an arrayref of cf::path's of all shared maps that have	2329	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2330	instantiated unique items. May block.
1591		2331
1592	=cut	2332	=cut
1593		2333
1594	sub unique_maps() {	2334	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2335	[
1596	or return;	2336	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2337	utf8::decode $_;
1602	next if /\.pst$/;	2338	s/\.map$//; # TODO future compatibility hack
1603	next unless /^$PATH_SEP/o;	2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604		2340	? ()
1605	push @paths, new cf::path $_;	2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2343	]
1607
1608	\@paths
1609	}	2344	}
1610
1611	package cf;
1612		2345
1613	=back	2346	=back
1614		2347
1615	=head3 cf::object	2348	=head3 cf::object
1616		2349
…		…
1620		2353
1621	=over 4	2354	=over 4
1622		2355
1623	=item $ob->inv_recursive	2356	=item $ob->inv_recursive
1624		2357
1625	Returns the inventory of the object _and_ their inventories, recursively.	2358	Returns the inventory of the object I<and> their inventories, recursively,
		2359	but I<not> the object itself.
1626		2360
1627	=cut	2361	=cut
1628		2362
1629	sub inv_recursive_;	2363	sub inv_recursive_;
1630	sub inv_recursive_ {	2364	sub inv_recursive_ {
…		…
1633		2367
1634	sub inv_recursive {	2368	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2369	inv_recursive_ inv $_[0]
1636	}	2370	}
1637		2371
		2372	=item $ref = $ob->ref
		2373
		2374	Creates and returns a persistent reference to an object that can be stored as a string.
		2375
		2376	=item $ob = cf::object::deref ($refstring)
		2377
		2378	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2379	even if the object actually exists. May block.
		2380
		2381	=cut
		2382
		2383	sub deref {
		2384	my ($ref) = @_;
		2385
		2386	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2387	my ($uuid, $name) = ($1, $2);
		2388	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2389	or return;
		2390	$pl->ob->uuid eq $uuid
		2391	or return;
		2392
		2393	$pl->ob
		2394	} else {
		2395	warn "$ref: cannot resolve object reference\n";
		2396	undef
		2397	}
		2398	}
		2399
1638	package cf;	2400	package cf;
1639		2401
1640	=back	2402	=back
1641		2403
1642	=head3 cf::object::player	2404	=head3 cf::object::player
…		…
1648	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2410	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649	can be C<undef>. Does the right thing when the player is currently in a	2411	can be C<undef>. Does the right thing when the player is currently in a
1650	dialogue with the given NPC character.	2412	dialogue with the given NPC character.
1651		2413
1652	=cut	2414	=cut
		2415
		2416	our $SAY_CHANNEL = {
		2417	id => "say",
		2418	title => "Map",
		2419	reply => "say ",
		2420	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2421	};
		2422
		2423	our $CHAT_CHANNEL = {
		2424	id => "chat",
		2425	title => "Chat",
		2426	reply => "chat ",
		2427	tooltip => "Player chat and shouts, global to the server.",
		2428	};
1653		2429
1654	# rough implementation of a future "reply" method that works	2430	# rough implementation of a future "reply" method that works
1655	# with dialog boxes.	2431	# with dialog boxes.
1656	#TODO: the first argument must go, split into a $npc->reply_to ( method	2432	#TODO: the first argument must go, split into a $npc->reply_to ( method
1657	sub cf::object::player::reply($$$;$) {	2433	sub cf::object::player::reply($$$;$) {
…		…
1659		2435
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2436	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2437
1662	if ($self->{record_replies}) {	2438	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2439	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2440
1664	} else {	2441	} else {
		2442	my $pl = $self->contr;
		2443
		2444	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2445	my $dialog = $pl->{npc_dialog};
		2446	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2447
		2448	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2449	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2450	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2451	}
1667	}	2452	}
		2453	}
		2454
		2455	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2456
		2457	=cut
		2458
		2459	sub cf::object::send_msg {
		2460	my $pl = shift->contr
		2461	or return;
		2462	$pl->send_msg (@_);
1668	}	2463	}
1669		2464
1670	=item $player_object->may ("access")	2465	=item $player_object->may ("access")
1671		2466
1672	Returns wether the given player is authorized to access resource "access"	2467	Returns wether the given player is authorized to access resource "access"
…		…
1685		2480
1686	=item $player_object->enter_link	2481	=item $player_object->enter_link
1687		2482
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2483	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2484
1690	The player should be reaosnably safe there for short amounts of time. You	2485	The player should be reasonably safe there for short amounts of time (e.g.
1691	I<MUST> call C<leave_link> as soon as possible, though.	2486	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2487	though, as the palyer cannot control the character while it is on the link
		2488	map.
		2489
		2490	Will never block.
1692		2491
1693	=item $player_object->leave_link ($map, $x, $y)	2492	=item $player_object->leave_link ($map, $x, $y)
1694		2493
1695	Moves the player out of the specila link map onto the given map. If the	2494	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2495	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2496	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2497	fails, to the emergency map position.
1699		2498
1700	Might block.	2499	Might block.
1701		2500
1702	=cut	2501	=cut
		2502
		2503	sub link_map {
		2504	unless ($LINK_MAP) {
		2505	$LINK_MAP = cf::map::find "{link}"
		2506	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2507	$LINK_MAP->load;
		2508	}
		2509
		2510	$LINK_MAP
		2511	}
1703		2512
1704	sub cf::object::player::enter_link {	2513	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2514	my ($self) = @_;
1706		2515
1707	$self->deactivate_recursive;	2516	$self->deactivate_recursive;
1708		2517
1709	return if $self->map == $LINK_MAP;	2518	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2519
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2520	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2521	if $self->map && $self->map->{path} ne "{link}";
1713		2522
1714	$self->enter_map ($LINK_MAP, 20, 20);	2523	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2524	}
1716		2525
1717	sub cf::object::player::leave_link {	2526	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2527	my ($self, $map, $x, $y) = @_;
		2528
		2529	return unless $self->contr->active;
1719		2530
1720	my $link_pos = delete $self->{_link_pos};	2531	my $link_pos = delete $self->{_link_pos};
1721		2532
1722	unless ($map) {	2533	unless ($map) {
1723	# restore original map position	2534	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2548	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2549	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2550	if $x <=0 && $y <= 0;
1740		2551
1741	$map->load;	2552	$map->load;
1742	$map->load_diag;	2553	$map->load_neighbours;
1743		2554
1744	return unless $self->contr->active;	2555	return unless $self->contr->active;
		2556
		2557	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2558	$self->enter_map ($map, $x, $y);
		2559
		2560	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2561	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}	2562	}
1748		2563
1749	cf::player->attach (	2564	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2565
1753	# abort map switching before logout	2566	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2567	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2568	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2569	the new (success) or old (failed) map position. In either case, $done will
1757	};	2570	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2571
1763	# try to abort aborted map switching on player login :)	2572	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2573	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2574
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2575	=cut
		2576
		2577	our $GOTOGEN;
1784		2578
1785	sub cf::object::player::goto {	2579	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2580	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2581
1788	$path = new cf::path $path;	2582	# do generation counting so two concurrent goto's will be executed in-order
		2583	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2584
1790	$self->enter_link;	2585	$self->enter_link;
1791		2586
1792	(async {	2587	(async {
1793	my $map = cf::map::find $path->as_string;	2588	$Coro::current->{desc} = "player::goto $path $x $y";
		2589
		2590	# *tag paths override both path and x|y
		2591	if ($path =~ /^\*(.*)$/) {
		2592	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2593	my $ob = $obs[rand @obs];
		2594
		2595	# see if we actually can go there
		2596	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2597	$ob = $obs[rand @obs];
		2598	} else {
		2599	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601	# else put us there anyways for now #d#
		2602
		2603	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2604	} else {
		2605	($path, $x, $y) = (undef, undef, undef);
		2606	}
		2607	}
		2608
		2609	my $map = eval {
		2610	my $map = defined $path ? cf::map::find $path : undef;
		2611
		2612	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2613	$map = $map->customise_for ($self);
1795		2614	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2615	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2616	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
1800		2618
		2619	$map
		2620	};
		2621
		2622	if ($@) {
		2623	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2624	LOG llevError | logBacktrace, Carp::longmess $@;
		2625	}
		2626
		2627	if ($gen == $self->{_goto_generation}) {
		2628	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2629	$self->leave_link ($map, $x, $y);
		2630	}
		2631
		2632	$done->() if $done;
1802	})->prio (1);	2633	})->prio (1);
1803	}	2634	}
1804		2635
1805	=item $player_object->enter_exit ($exit_object)	2636	=item $player_object->enter_exit ($exit_object)
1806		2637
…		…
1808		2639
1809	sub parse_random_map_params {	2640	sub parse_random_map_params {
1810	my ($spec) = @_;	2641	my ($spec) = @_;
1811		2642
1812	my $rmp = { # defaults	2643	my $rmp = { # defaults
1813	xsize => 10,	2644	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2645	ysize => (cf::rndm 15, 40),
		2646	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2647	#layout => string,
1815	};	2648	};
1816		2649
1817	for (split /\n/, $spec) {	2650	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2651	my ($k, $v) = split /\s+/, $_, 2;
1819		2652
…		…
1831	# that depends on the exit object	2664	# that depends on the exit object
1832		2665
1833	my $rmp = parse_random_map_params $exit->msg;	2666	my $rmp = parse_random_map_params $exit->msg;
1834		2667
1835	if ($exit->map) {	2668	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2669	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2670	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2671	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2672	$rmp->{origin_y} = $exit->y;
		2673
		2674	$exit->map->touch;
1840	}	2675	}
1841		2676
1842	$rmp->{random_seed} ||= $exit->random_seed;	2677	$rmp->{random_seed} ||= $exit->random_seed;
1843		2678
1844	my $data = cf::to_json $rmp;	2679	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845	my $md5 = Digest::MD5::md5_hex $data;	2680	my $md5 = Digest::MD5::md5_hex $data;
		2681	my $meta = "$RANDOMDIR/$md5.meta";
1846		2682
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2683	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2684	aio_write $fh, 0, (length $data), $data, 0;
		2685	undef $fh;
		2686	aio_rename "$meta~", $meta;
1849		2687
		2688	my $slaying = "?random/$md5";
		2689
		2690	if ($exit->valid) {
1850	$exit->slaying ("?random/$md5");	2691	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2692	$exit->msg (undef);
		2693	}
1852	}	2694	}
1853	}	2695	}
1854		2696
1855	sub cf::object::player::enter_exit {	2697	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2698	my ($self, $exit) = @_;
…		…
1858	return unless $self->type == cf::PLAYER;	2700	return unless $self->type == cf::PLAYER;
1859		2701
1860	$self->enter_link;	2702	$self->enter_link;
1861		2703
1862	(async {	2704	(async {
1863	$self->deactivate_recursive; # just to be sure	2705	$Coro::current->{desc} = "enter_exit";
		2706
1864	unless (eval {	2707	unless (eval {
		2708	$self->deactivate_recursive; # just to be sure
		2709
		2710	# random map handling
		2711	{
		2712	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2713
1865	prepare_random_map $exit	2714	prepare_random_map $exit
1866	if $exit->slaying eq "/!";	2715	if $exit->slaying eq "/!";
		2716	}
1867		2717
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2718	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2719	my $x = $exit->stats->hp;
		2720	my $y = $exit->stats->sp;
1870		2721
		2722	$self->goto ($map, $x, $y);
		2723
		2724	# if exit is damned, update players death & WoR home-position
		2725	$self->contr->savebed ($map, $x, $y)
		2726	if $exit->flag (cf::FLAG_DAMNED);
		2727
1871	1;	2728	1
1872	}) {	2729	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2730	$self->message ("Something went wrong deep within the deliantra server. "
1874	. "I'll try to bring you back to the map you were before. "	2731	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2732	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2733	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2734
1878	warn "ERROR in enter_exit: $@";	2735	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2736	$self->leave_link;
1880	}	2737	}
1881	})->prio (1);	2738	})->prio (1);
…		…
1894		2751
1895	sub cf::client::send_drawinfo {	2752	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2753	my ($self, $text, $flags) = @_;
1897		2754
1898	utf8::encode $text;	2755	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2756	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2757	}
1901		2758
		2759	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2760
		2761	Send a drawinfo or msg packet to the client, formatting the msg for the
		2762	client if neccessary. C<$type> should be a string identifying the type of
		2763	the message, with C<log> being the default. If C<$color> is negative, suppress
		2764	the message unless the client supports the msg packet.
		2765
		2766	=cut
		2767
		2768	# non-persistent channels (usually the info channel)
		2769	our %CHANNEL = (
		2770	"c/motd" => {
		2771	id => "infobox",
		2772	title => "MOTD",
		2773	reply => undef,
		2774	tooltip => "The message of the day",
		2775	},
		2776	"c/identify" => {
		2777	id => "infobox",
		2778	title => "Identify",
		2779	reply => undef,
		2780	tooltip => "Items recently identified",
		2781	},
		2782	"c/examine" => {
		2783	id => "infobox",
		2784	title => "Examine",
		2785	reply => undef,
		2786	tooltip => "Signs and other items you examined",
		2787	},
		2788	"c/book" => {
		2789	id => "infobox",
		2790	title => "Book",
		2791	reply => undef,
		2792	tooltip => "The contents of a note or book",
		2793	},
		2794	"c/lookat" => {
		2795	id => "infobox",
		2796	title => "Look",
		2797	reply => undef,
		2798	tooltip => "What you saw there",
		2799	},
		2800	"c/who" => {
		2801	id => "infobox",
		2802	title => "Players",
		2803	reply => undef,
		2804	tooltip => "Shows players who are currently online",
		2805	},
		2806	"c/body" => {
		2807	id => "infobox",
		2808	title => "Body Parts",
		2809	reply => undef,
		2810	tooltip => "Shows which body parts you posess and are available",
		2811	},
		2812	"c/statistics" => {
		2813	id => "infobox",
		2814	title => "Statistics",
		2815	reply => undef,
		2816	tooltip => "Shows your primary statistics",
		2817	},
		2818	"c/skills" => {
		2819	id => "infobox",
		2820	title => "Skills",
		2821	reply => undef,
		2822	tooltip => "Shows your experience per skill and item power",
		2823	},
		2824	"c/shopitems" => {
		2825	id => "infobox",
		2826	title => "Shop Items",
		2827	reply => undef,
		2828	tooltip => "Shows the items currently for sale in this shop",
		2829	},
		2830	"c/resistances" => {
		2831	id => "infobox",
		2832	title => "Resistances",
		2833	reply => undef,
		2834	tooltip => "Shows your resistances",
		2835	},
		2836	"c/pets" => {
		2837	id => "infobox",
		2838	title => "Pets",
		2839	reply => undef,
		2840	tooltip => "Shows information abotu your pets/a specific pet",
		2841	},
		2842	"c/perceiveself" => {
		2843	id => "infobox",
		2844	title => "Perceive Self",
		2845	reply => undef,
		2846	tooltip => "You gained detailed knowledge about yourself",
		2847	},
		2848	"c/uptime" => {
		2849	id => "infobox",
		2850	title => "Uptime",
		2851	reply => undef,
		2852	tooltip => "How long the server has been running since last restart",
		2853	},
		2854	"c/mapinfo" => {
		2855	id => "infobox",
		2856	title => "Map Info",
		2857	reply => undef,
		2858	tooltip => "Information related to the maps",
		2859	},
		2860	"c/party" => {
		2861	id => "party",
		2862	title => "Party",
		2863	reply => "gsay ",
		2864	tooltip => "Messages and chat related to your party",
		2865	},
		2866	"c/death" => {
		2867	id => "death",
		2868	title => "Death",
		2869	reply => undef,
		2870	tooltip => "Reason for and more info about your most recent death",
		2871	},
		2872	"c/say" => $SAY_CHANNEL,
		2873	"c/chat" => $CHAT_CHANNEL,
		2874	);
		2875
		2876	sub cf::client::send_msg {
		2877	my ($self, $channel, $msg, $color, @extra) = @_;
		2878
		2879	$msg = $self->pl->expand_cfpod ($msg)
		2880	unless $color & cf::NDI_VERBATIM;
		2881
		2882	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2883
		2884	# check predefined channels, for the benefit of C
		2885	if ($CHANNEL{$channel}) {
		2886	$channel = $CHANNEL{$channel};
		2887
		2888	$self->ext_msg (channel_info => $channel);
		2889	$channel = $channel->{id};
		2890
		2891	} elsif (ref $channel) {
		2892	# send meta info to client, if not yet sent
		2893	unless (exists $self->{channel}{$channel->{id}}) {
		2894	$self->{channel}{$channel->{id}} = $channel;
		2895	$self->ext_msg (channel_info => $channel);
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	my $pkt = "msg "
		2908	. $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2910	);
		2911
		2912	# try lzf for large packets
		2913	$pkt = "lzf " . Compress::LZF::compress $pkt
		2914	if 1024 <= length $pkt and $self->{can_lzf};
		2915
		2916	# split very large packets
		2917	if (8192 < length $pkt and $self->{can_lzf}) {
		2918	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2919	$pkt = "frag";
		2920	}
		2921
		2922	$self->send_packet ($pkt);
		2923	}
		2924
		2925	=item $client->ext_msg ($type, @msg)
		2926
		2927	Sends an ext event to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_msg($$@) {
		2932	my ($self, $type, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2936	} elsif ($self->extcmd == 1) { # TODO: remove
		2937	push @msg, msgtype => "event_$type";
		2938	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2939	}
		2940	}
		2941
		2942	=item $client->ext_reply ($msgid, @msg)
		2943
		2944	Sends an ext reply to the client.
		2945
		2946	=cut
		2947
		2948	sub cf::client::ext_reply($$@) {
		2949	my ($self, $id, @msg) = @_;
		2950
		2951	if ($self->extcmd == 2) {
		2952	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2953	} elsif ($self->extcmd == 1) {
		2954	#TODO: version 1, remove
		2955	unshift @msg, msgtype => "reply", msgid => $id;
		2956	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2957	}
		2958	}
1902		2959
1903	=item $success = $client->query ($flags, "text", \&cb)	2960	=item $success = $client->query ($flags, "text", \&cb)
1904		2961
1905	Queues a query to the client, calling the given callback with	2962	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2963	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2964	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2965
1909	Queries can fail, so check the return code. Or don't, as queries will become	2966	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2967	become reliable at some point in the future.
1911		2968
1912	=cut	2969	=cut
1913		2970
1914	sub cf::client::query {	2971	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2972	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2980	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2981	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2982
1926	$self->send_packet ($self->{query_queue}[0][0])	2983	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2984	if @{ $self->{query_queue} } == 1;
		2985
		2986	1
1928	}	2987	}
1929		2988
1930	cf::client->attach (	2989	cf::client->attach (
		2990	on_connect => sub {
		2991	my ($ns) = @_;
		2992
		2993	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2994	},
1931	on_reply => sub {	2995	on_reply => sub {
1932	my ($ns, $msg) = @_;	2996	my ($ns, $msg) = @_;
1933		2997
1934	# this weird shuffling is so that direct followup queries	2998	# this weird shuffling is so that direct followup queries
1935	# get handled first	2999	# get handled first
1936	my $queue = delete $ns->{query_queue}	3000	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	3001	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		3002
1939	(shift @$queue)->[1]->($msg);	3003	(shift @$queue)->[1]->($msg);
		3004	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		3005
1941	push @{ $ns->{query_queue} }, @$queue;	3006	push @{ $ns->{query_queue} }, @$queue;
1942		3007
1943	if (@{ $ns->{query_queue} } == @$queue) {	3008	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	3009	if (@$queue) {
…		…
1946	} else {	3011	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3012	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	3013	}
1949	}	3014	}
1950	},	3015	},
		3016	on_exticmd => sub {
		3017	my ($ns, $buf) = @_;
		3018
		3019	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3020
		3021	if (ref $msg) {
		3022	my ($type, $reply, @payload) =
		3023	"ARRAY" eq ref $msg
		3024	? @$msg
		3025	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3026
		3027	my @reply;
		3028
		3029	if (my $cb = $EXTICMD{$type}) {
		3030	@reply = $cb->($ns, @payload);
		3031	}
		3032
		3033	$ns->ext_reply ($reply, @reply)
		3034	if $reply;
		3035
		3036	} else {
		3037	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3038	}
		3039
		3040	cf::override;
		3041	},
1951	);	3042	);
1952		3043
1953	=item $client->async (\&cb)	3044	=item $client->async (\&cb)
1954		3045
1955	Create a new coroutine, running the specified callback. The coroutine will	3046	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3087	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3088	our $safe_hole = new Safe::Hole;
1998		3089
1999	$SIG{FPE} = 'IGNORE';	3090	$SIG{FPE} = 'IGNORE';
2000		3091
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3092	$safe->permit_only (Opcode::opset qw(
		3093	:base_core :base_mem :base_orig :base_math
		3094	grepstart grepwhile mapstart mapwhile
		3095	sort time
		3096	));
2002		3097
2003	# here we export the classes and methods available to script code	3098	# here we export the classes and methods available to script code
2004		3099
2005	=pod	3100	=pod
2006		3101
2007	The following fucntions and emthods are available within a safe environment:	3102	The following functions and methods are available within a safe environment:
2008		3103
2009	cf::object contr pay_amount pay_player map	3104	cf::object
		3105	contr pay_amount pay_player map x y force_find force_add destroy
		3106	insert remove name archname title slaying race decrease split
		3107	value
		3108
2010	cf::object::player player	3109	cf::object::player
2011	cf::player peaceful	3110	player
2012	cf::map trigger	3111
		3112	cf::player
		3113	peaceful
		3114
		3115	cf::map
		3116	trigger
2013		3117
2014	=cut	3118	=cut
2015		3119
2016	for (	3120	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3121	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3122	insert remove inv nrof name archname title slaying race
		3123	decrease split destroy change_exp value msg lore send_msg)],
2018	["cf::object::player" => qw(player)],	3124	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3125	["cf::player" => qw(peaceful send_msg)],
2020	["cf::map" => qw(trigger)],	3126	["cf::map" => qw(trigger)],
2021	) {	3127	) {
2022	no strict 'refs';	3128	no strict 'refs';
2023	my ($pkg, @funs) = @$_;	3129	my ($pkg, @funs) = @$_;
2024	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3130	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2041	my ($code, %vars) = @_;	3147	my ($code, %vars) = @_;
2042		3148
2043	my $qcode = $code;	3149	my $qcode = $code;
2044	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3150	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2045	$qcode =~ s/\n/\\n/g;	3151	$qcode =~ s/\n/\\n/g;
		3152
		3153	%vars = (_dummy => 0) unless %vars;
2046		3154
2047	local $_;	3155	local $_;
2048	local @safe::cf::_safe_eval_args = values %vars;	3156	local @safe::cf::_safe_eval_args = values %vars;
2049		3157
2050	my $eval =	3158	my $eval =
…		…
2093	=back	3201	=back
2094		3202
2095	=cut	3203	=cut
2096		3204
2097	#############################################################################	3205	#############################################################################
		3206	# the server's init and main functions
2098		3207
2099	=head2 EXTENSION DATABASE SUPPORT	3208	sub load_facedata($) {
		3209	my ($path) = @_;
2100		3210
2101	Crossfire maintains a very simple database for extension use. It can	3211	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3212	# for this (global event?)
2103	excludes objects.	3213	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3214
2105	The parameter C<$family> should best start with the name of the extension	3215	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3216
2108	=over 4	3217	warn "loading facedata from $path\n";
2109		3218
2110	=item $hashref = cf::db_get $family	3219	my $facedata;
		3220	0 < aio_load $path, $facedata
		3221	or die "$path: $!";
2111		3222
2112	Return a hashref for use by the extension C<$family>, which can be	3223	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3224
2116	=item $value = cf::db_get $family => $key	3225	$facedata->{version} == 2
		3226	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3227
2118	Returns a single value from the database	3228	# patch in the exptable
2119		3229	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3230	type => FT_RSRC,
2121		3231	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3232	};
		3233	cf::cede_to_tick;
2171		3234
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3235	{
		3236	my $faces = $facedata->{faceinfo};
2176		3237
2177	sub db_get($;$) {	3238	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3239	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182		3240
2183	sub db_put($$;$) {	3241	cf::face::set_visibility $idx, $info->{visibility};
2184	if (@_ >= 3) {	3242	cf::face::set_magicmap $idx, $info->{magicmap};
2185	$DB->{$_[0]}{$_[1]} = $_[2];	3243	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186	} else {	3244	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191		3245
2192	cf::global->attach (	3246	cf::cede_to_tick;
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3247	}
2197	);
2198	}
2199		3248
2200	#############################################################################	3249	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3250	next unless $info->{smooth};
2202		3251
2203	sub cfg_load {	3252	my $idx = cf::face::find $face
		3253	or next;
		3254
		3255	if (my $smooth = cf::face::find $info->{smooth}) {
		3256	cf::face::set_smooth $idx, $smooth;
		3257	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3258	} else {
		3259	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3260	}
		3261
		3262	cf::cede_to_tick;
		3263	}
		3264	}
		3265
		3266	{
		3267	my $anims = $facedata->{animinfo};
		3268
		3269	while (my ($anim, $info) = each %$anims) {
		3270	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3271	cf::cede_to_tick;
		3272	}
		3273
		3274	cf::anim::invalidate_all; # d'oh
		3275	}
		3276
		3277	{
		3278	# TODO: for gcfclient pleasure, we should give resources
		3279	# that gcfclient doesn't grok a >10000 face index.
		3280	my $res = $facedata->{resource};
		3281
		3282	while (my ($name, $info) = each %$res) {
		3283	if (defined $info->{type}) {
		3284	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3285	my $data;
		3286
		3287	if ($info->{type} & 1) {
		3288	# prepend meta info
		3289
		3290	my $meta = $enc->encode ({
		3291	name => $name,
		3292	%{ $info->{meta} || {} },
		3293	});
		3294
		3295	$data = pack "(w/a*)*", $meta, $info->{data};
		3296	} else {
		3297	$data = $info->{data};
		3298	}
		3299
		3300	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3301	cf::face::set_type $idx, $info->{type};
		3302	} else {
		3303	$RESOURCE{$name} = $info;
		3304	}
		3305
		3306	cf::cede_to_tick;
		3307	}
		3308	}
		3309
		3310	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3311
		3312	1
		3313	}
		3314
		3315	cf::global->attach (on_resource_update => sub {
		3316	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3317	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3318
		3319	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3320	my $sound = $soundconf->{compat}[$_]
		3321	or next;
		3322
		3323	my $face = cf::face::find "sound/$sound->[1]";
		3324	cf::sound::set $sound->[0] => $face;
		3325	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3326	}
		3327
		3328	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3329	my $face = cf::face::find "sound/$v";
		3330	cf::sound::set $k => $face;
		3331	}
		3332	}
		3333	});
		3334
		3335	register_exticmd fx_want => sub {
		3336	my ($ns, $want) = @_;
		3337
		3338	while (my ($k, $v) = each %$want) {
		3339	$ns->fx_want ($k, $v);
		3340	}
		3341	};
		3342
		3343	sub load_resource_file($) {
		3344	my $guard = lock_acquire "load_resource_file";
		3345
		3346	my $status = load_resource_file_ $_[0];
		3347	get_slot 0.1, 100;
		3348	cf::arch::commit_load;
		3349
		3350	$status
		3351	}
		3352
		3353	sub reload_regions {
		3354	# HACK to clear player env face cache, we need some signal framework
		3355	# for this (global event?)
		3356	%ext::player_env::MUSIC_FACE_CACHE = ();
		3357
		3358	load_resource_file "$MAPDIR/regions"
		3359	or die "unable to load regions file\n";
		3360
		3361	for (cf::region::list) {
		3362	$_->{match} = qr/$_->{match}/
		3363	if exists $_->{match};
		3364	}
		3365	}
		3366
		3367	sub reload_facedata {
		3368	load_facedata "$DATADIR/facedata"
		3369	or die "unable to load facedata\n";
		3370	}
		3371
		3372	sub reload_archetypes {
		3373	load_resource_file "$DATADIR/archetypes"
		3374	or die "unable to load archetypes\n";
		3375	}
		3376
		3377	sub reload_treasures {
		3378	load_resource_file "$DATADIR/treasures"
		3379	or die "unable to load treasurelists\n";
		3380	}
		3381
		3382	sub reload_resources {
		3383	warn "reloading resource files...\n";
		3384
		3385	reload_facedata;
		3386	reload_archetypes;
		3387	reload_regions;
		3388	reload_treasures;
		3389
		3390	warn "finished reloading resource files\n";
		3391	}
		3392
		3393	sub reload_config {
		3394	warn "reloading config file...\n";
		3395
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3396	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3397	or return;
2206		3398
2207	local $/;	3399	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3400	*CFG = YAML::XS::Load scalar <$fh>;
2209		3401
2210	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3402	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211		3403
2212	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3404	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3405	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2217	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3409	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2218	and die "WARNING: m(un)lockall failed: $!\n";	3410	and die "WARNING: m(un)lockall failed: $!\n";
2219	};	3411	};
2220	warn $@ if $@;	3412	warn $@ if $@;
2221	}	3413	}
		3414
		3415	warn "finished reloading resource files\n";
		3416	}
		3417
		3418	sub pidfile() {
		3419	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3420	or die "$PIDFILE: $!";
		3421	flock $fh, &Fcntl::LOCK_EX
		3422	or die "$PIDFILE: flock: $!";
		3423	$fh
		3424	}
		3425
		3426	# make sure only one server instance is running at any one time
		3427	sub atomic {
		3428	my $fh = pidfile;
		3429
		3430	my $pid = <$fh>;
		3431	kill 9, $pid if $pid > 0;
		3432
		3433	seek $fh, 0, 0;
		3434	print $fh $$;
		3435	}
		3436
		3437	sub main_loop {
		3438	warn "EV::loop starting\n";
		3439	if (1) {
		3440	EV::loop;
		3441	}
		3442	warn "EV::loop returned\n";
		3443	goto &main_loop unless $REALLY_UNLOOP;
2222	}	3444	}
2223		3445
2224	sub main {	3446	sub main {
		3447	cf::init_globals; # initialise logging
		3448
		3449	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3450	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3451	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3452	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3453
		3454	cf::init_experience;
		3455	cf::init_anim;
		3456	cf::init_attackmess;
		3457	cf::init_dynamic;
		3458
		3459	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3460
2225	# we must not ever block the main coroutine	3461	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3462	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3463	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3464	(async {
		3465	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3466	EV::loop EV::LOOP_ONESHOT;
		3467	})->prio (Coro::PRIO_MAX);
2229	};	3468	};
2230		3469
2231	cfg_load;	3470	evthread_start IO::AIO::poll_fileno;
2232	db_load;	3471
		3472	cf::sync_job {
		3473	reload_resources;
		3474	reload_config;
		3475	db_init;
		3476
		3477	cf::load_settings;
		3478	cf::load_materials;
		3479	cf::init_uuid;
		3480	cf::init_signals;
		3481	cf::init_commands;
		3482	cf::init_skills;
		3483
		3484	cf::init_beforeplay;
		3485
		3486	atomic;
		3487
2233	load_extensions;	3488	load_extensions;
2234	Event::loop;	3489
		3490	utime time, time, $RUNTIMEFILE;
		3491
		3492	# no (long-running) fork's whatsoever before this point(!)
		3493	use POSIX ();
		3494	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3495
		3496	(pop @POST_INIT)->(0) while @POST_INIT;
		3497	};
		3498
		3499	main_loop;
2235	}	3500	}
2236		3501
2237	#############################################################################	3502	#############################################################################
2238	# initialisation and cleanup	3503	# initialisation and cleanup
2239		3504
2240	# install some emergency cleanup handlers	3505	# install some emergency cleanup handlers
2241	BEGIN {	3506	BEGIN {
		3507	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3508	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3509	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3510	cf::cleanup "SIG$signal";
2248	},
2249	);	3511	};
		3512	}
		3513	}
		3514
		3515	sub write_runtime_sync {
		3516	# first touch the runtime file to show we are still running:
		3517	# the fsync below can take a very very long time.
		3518
		3519	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3520
		3521	my $guard = cf::lock_acquire "write_runtime";
		3522
		3523	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3524	or return;
		3525
		3526	my $value = $cf::RUNTIME + 90 + 10;
		3527	# 10 is the runtime save interval, for a monotonic clock
		3528	# 60 allows for the watchdog to kill the server.
		3529
		3530	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3531	and return;
		3532
		3533	# always fsync - this file is important
		3534	aio_fsync $fh
		3535	and return;
		3536
		3537	# touch it again to show we are up-to-date
		3538	aio_utime $fh, undef, undef;
		3539
		3540	close $fh
		3541	or return;
		3542
		3543	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3544	and return;
		3545
		3546	warn "runtime file written.\n";
		3547
2250	}	3548	1
		3549	}
		3550
		3551	our $uuid_lock;
		3552	our $uuid_skip;
		3553
		3554	sub write_uuid_sync($) {
		3555	$uuid_skip ||= $_[0];
		3556
		3557	return if $uuid_lock;
		3558	local $uuid_lock = 1;
		3559
		3560	my $uuid = "$LOCALDIR/uuid";
		3561
		3562	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3563	or return;
		3564
		3565	my $value = uuid_seq uuid_cur;
		3566
		3567	unless ($value) {
		3568	warn "cowardly refusing to write zero uuid value!\n";
		3569	return;
		3570	}
		3571
		3572	my $value = uuid_str $value + $uuid_skip;
		3573	$uuid_skip = 0;
		3574
		3575	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3576	and return;
		3577
		3578	# always fsync - this file is important
		3579	aio_fsync $fh
		3580	and return;
		3581
		3582	close $fh
		3583	or return;
		3584
		3585	aio_rename "$uuid~", $uuid
		3586	and return;
		3587
		3588	warn "uuid file written ($value).\n";
		3589
		3590	1
		3591
		3592	}
		3593
		3594	sub write_uuid($$) {
		3595	my ($skip, $sync) = @_;
		3596
		3597	$sync ? write_uuid_sync $skip
		3598	: async { write_uuid_sync $skip };
2251	}	3599	}
2252		3600
2253	sub emergency_save() {	3601	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3602	my $freeze_guard = cf::freeze_mainloop;
2255		3603
2256	warn "enter emergency perl save\n";	3604	warn "emergency_perl_save: enter\n";
2257		3605
2258	cf::sync_job {	3606	cf::sync_job {
		3607	# this is a trade-off: we want to be very quick here, so
		3608	# save all maps without fsync, and later call a global sync
		3609	# (which in turn might be very very slow)
		3610	local $USE_FSYNC = 0;
		3611
2259	# use a peculiar iteration method to avoid tripping on perl	3612	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3613	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3614	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3615	warn "emergency_perl_save: begin player save\n";
2263	for my $login (keys %cf::PLAYER) {	3616	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3617	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3618	$pl->valid or next;
		3619	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3620	$pl->save;
2267	}	3621	}
2268	warn "end emergency player save\n";	3622	warn "emergency_perl_save: end player save\n";
2269		3623
2270	warn "begin emergency map save\n";	3624	warn "emergency_perl_save: begin map save\n";
2271	for my $path (keys %cf::MAP) {	3625	for my $path (keys %cf::MAP) {
2272	my $map = $cf::MAP{$path} or next;	3626	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3627	$map->valid or next;
2274	$map->save;	3628	$map->save;
2275	}	3629	}
2276	warn "end emergency map save\n";	3630	warn "emergency_perl_save: end map save\n";
		3631
		3632	warn "emergency_perl_save: begin database checkpoint\n";
		3633	BDB::db_env_txn_checkpoint $DB_ENV;
		3634	warn "emergency_perl_save: end database checkpoint\n";
		3635
		3636	warn "emergency_perl_save: begin write uuid\n";
		3637	write_uuid_sync 1;
		3638	warn "emergency_perl_save: end write uuid\n";
2277	};	3639	};
2278		3640
		3641	warn "emergency_perl_save: starting sync()\n";
		3642	IO::AIO::aio_sync sub {
		3643	warn "emergency_perl_save: finished sync()\n";
		3644	};
		3645
2279	warn "leave emergency perl save\n";	3646	warn "emergency_perl_save: leave\n";
2280	}	3647	}
2281		3648
		3649	sub post_cleanup {
		3650	my ($make_core) = @_;
		3651
		3652	warn Carp::longmess "post_cleanup backtrace"
		3653	if $make_core;
		3654
		3655	my $fh = pidfile;
		3656	unlink $PIDFILE if <$fh> == $$;
		3657	}
		3658
		3659	# a safer delete_package, copied from Symbol
		3660	sub clear_package($) {
		3661	my $pkg = shift;
		3662
		3663	# expand to full symbol table name if needed
		3664	unless ($pkg =~ /^main::.*::$/) {
		3665	$pkg = "main$pkg" if $pkg =~ /^::/;
		3666	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3667	$pkg .= '::' unless $pkg =~ /::$/;
		3668	}
		3669
		3670	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3671	my $stem_symtab = *{$stem}{HASH};
		3672
		3673	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3674	or return;
		3675
		3676	# clear all symbols
		3677	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3678	for my $name (keys %$leaf_symtab) {
		3679	_gv_clear *{"$pkg$name"};
		3680	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3681	}
		3682	warn "cleared package $pkg\n";#d#
		3683	}
		3684
2282	sub reload() {	3685	sub do_reload_perl() {
2283	# can/must only be called in main	3686	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3687	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3688	warn "can only reload from main coroutine";
2286	return;	3689	return;
2287	}	3690	}
2288		3691
		3692	return if $RELOAD++;
		3693
		3694	my $t1 = EV::time;
		3695
		3696	while ($RELOAD) {
2289	warn "reloading...";	3697	warn "reloading...";
2290		3698
2291	warn "freezing server";	3699	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3700
		3701	cf::sync_job {
		3702	cf::write_runtime_sync; # external watchdog should not bark
2293	cf::emergency_save;	3703	cf::emergency_save;
		3704	cf::write_runtime_sync; # external watchdog should not bark
2294		3705
2295	warn "sync database to disk";	3706	warn "syncing database to disk";
2296	cf::db_sync;	3707	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3708
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3709	# if anything goes wrong in here, we should simply crash as we already saved
2301		3710
2302	warn "cancel all watchers";	3711	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3712	while (IO::AIO::nreqs || BDB::nreqs) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3713	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305	}
2306
2307	warn "cancel all extension coros";
2308	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();
2310
2311	warn "remove commands";
2312	%COMMAND = ();
2313
2314	warn "remove ext commands";
2315	%EXTCMD = ();
2316
2317	warn "unload/nuke all extensions";
2318	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";
2320
2321	if (my $cb = $pkg->can ("unload")) {
2322	eval {
2323	$cb->($pkg);
2324	1
2325	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3714	}
2327		3715
		3716	warn "cancelling all extension coros";
		3717	$_->cancel for values %EXT_CORO;
		3718	%EXT_CORO = ();
		3719
		3720	warn "removing commands";
		3721	%COMMAND = ();
		3722
		3723	warn "removing ext/exti commands";
		3724	%EXTCMD = ();
		3725	%EXTICMD = ();
		3726
		3727	warn "unloading/nuking all extensions";
		3728	for my $pkg (@EXTS) {
2328	warn "... nuking $pkg";	3729	warn "... unloading $pkg";
2329	Symbol::delete_package $pkg;
2330	}
2331		3730
2332	warn "unload all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335
2336	warn "removing <$k>";
2337	delete $INC{$k};
2338
2339	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;
2341
2342	if (my $cb = $k->can ("unload_module")) {	3731	if (my $cb = $pkg->can ("unload")) {
		3732	eval {
2343	$cb->();	3733	$cb->($pkg);
		3734	1
		3735	} or warn "$pkg unloaded, but with errors: $@";
		3736	}
		3737
		3738	warn "... clearing $pkg";
		3739	clear_package $pkg;
2344	}	3740	}
2345		3741
2346	Symbol::delete_package $k;	3742	warn "unloading all perl modules loaded from $LIBDIR";
		3743	while (my ($k, $v) = each %INC) {
		3744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3745
		3746	warn "... unloading $k";
		3747	delete $INC{$k};
		3748
		3749	$k =~ s/\.pm$//;
		3750	$k =~ s/\//::/g;
		3751
		3752	if (my $cb = $k->can ("unload_module")) {
		3753	$cb->();
		3754	}
		3755
		3756	clear_package $k;
2347	}	3757	}
2348		3758
2349	warn "get rid of safe::, as good as possible";	3759	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3760	clear_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3762
2353	warn "unload cf.pm \"a bit\"";	3763	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3764	delete $INC{"cf.pm"};
		3765	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2355		3766
2356	# don't, removes xs symbols, too,	3767	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3768	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3769	#clear_package __PACKAGE__;
2359		3770
		3771	warn "unload completed, starting to reload now";
		3772
2360	warn "reloading cf.pm";	3773	warn "reloading cf.pm";
2361	require cf;	3774	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3775	cf::_connect_to_perl_1;
2363		3776
2364	warn "load config and database again";	3777	warn "loading config and database again";
2365	cf::cfg_load;	3778	cf::reload_config;
2366	cf::db_load;
2367		3779
2368	warn "load extensions";	3780	warn "loading extensions";
2369	cf::load_extensions;	3781	cf::load_extensions;
2370		3782
		3783	if ($REATTACH_ON_RELOAD) {
2371	warn "reattach attachments to objects/players";	3784	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3785	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3786	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3787	reattach $_ for values %MAP;
		3788	warn "reattaching attachments to players";
		3789	reattach $_ for values %PLAYER;
		3790	}
		3791
		3792	warn "running post_init jobs";
		3793	(pop @POST_INIT)->(1) while @POST_INIT;
		3794
		3795	warn "leaving sync_job";
		3796
		3797	1
		3798	} or do {
		3799	warn $@;
		3800	cf::cleanup "error while reloading, exiting.";
		3801	};
		3802
		3803	warn "reloaded";
		3804	--$RELOAD;
		3805	}
		3806
		3807	$t1 = EV::time - $t1;
		3808	warn "reload completed in ${t1}s\n";
		3809	};
		3810
		3811	our $RELOAD_WATCHER; # used only during reload
		3812
		3813	sub reload_perl() {
		3814	# doing reload synchronously and two reloads happen back-to-back,
		3815	# coro crashes during coro_state_free->destroy here.
		3816
		3817	$RELOAD_WATCHER ||= cf::async {
		3818	Coro::AIO::aio_wait cache_extensions;
		3819
		3820	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3821	do_reload_perl;
		3822	undef $RELOAD_WATCHER;
		3823	};
2375	};	3824	};
2376
2377	if ($@) {
2378	warn $@;
2379	warn "error while reloading, exiting.";
2380	exit 1;
2381	}
2382
2383	warn "reloaded";
2384	};
2385
2386	#############################################################################
2387
2388	unless ($LINK_MAP) {
2389	$LINK_MAP = cf::map::new;
2390
2391	$LINK_MAP->width (41);
2392	$LINK_MAP->height (41);
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,
2401	cb => sub {
2402	$_[0]->w->cancel;
2403
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});
2422
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3825	}
2428		3826
2429	register_command "reload" => sub {	3827	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3828	my ($who, $arg) = @_;
2431		3829
2432	if ($who->flag (FLAG_WIZ)) {	3830	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3831	$who->message ("reloading server.");
		3832	async {
		3833	$Coro::current->{desc} = "perl_reload";
		3834	reload_perl;
		3835	};
2436	}	3836	}
2437	};	3837	};
2438		3838
2439	unshift @INC, $LIBDIR;	3839	unshift @INC, $LIBDIR;
2440		3840
2441	$TICK_WATCHER = Event->timer (	3841	my $bug_warning = 0;
2442	reentrant => 0,	3842
2443	prio => 0,	3843	our @WAIT_FOR_TICK;
2444	at => $NEXT_TICK || $TICK,	3844	our @WAIT_FOR_TICK_BEGIN;
2445	data => WF_AUTOCANCEL,	3845
2446	cb => sub {	3846	sub wait_for_tick {
		3847	return if tick_inhibit || $Coro::current == $Coro::main;
		3848
		3849	my $signal = new Coro::Signal;
		3850	push @WAIT_FOR_TICK, $signal;
		3851	$signal->wait;
		3852	}
		3853
		3854	sub wait_for_tick_begin {
		3855	return if tick_inhibit || $Coro::current == $Coro::main;
		3856
		3857	my $signal = new Coro::Signal;
		3858	push @WAIT_FOR_TICK_BEGIN, $signal;
		3859	$signal->wait;
		3860	}
		3861
		3862	sub tick {
		3863	if ($Coro::current != $Coro::main) {
		3864	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3865	unless ++$bug_warning > 10;
		3866	return;
		3867	}
		3868
2447	cf::server_tick; # one server iteration	3869	cf::server_tick; # one server iteration
2448	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;
2450		3870
2451	$WAIT_FOR_TICK->broadcast;	3871	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3872	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2453		3873	Coro::async_pool {
2454	# if we are delayed by four ticks or more, skip them all	3874	$Coro::current->{desc} = "runtime saver";
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456
2457	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;
2459	},
2460	);
2461
2462	IO::AIO::max_poll_time $TICK * 0.2;
2463
2464	Event->io (
2465	fd => IO::AIO::poll_fileno,
2466	poll => 'r',
2467	prio => 5,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,
2474	after => 0,
2475	interval => 10,
2476	cb => sub {
2477	(Coro::unblock_sub {
2478	write_runtime	3875	write_runtime_sync
2479	or warn "ERROR: unable to write runtime file: $!";	3876	or warn "ERROR: unable to write runtime file: $!";
2480	})->();	3877	};
2481	},	3878	}
2482	);	3879
		3880	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3881	$sig->send;
		3882	}
		3883	while (my $sig = shift @WAIT_FOR_TICK) {
		3884	$sig->send;
		3885	}
		3886
		3887	$LOAD = ($NOW - $TICK_START) / $TICK;
		3888	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3889
		3890	if (0) {
		3891	if ($NEXT_TICK) {
		3892	my $jitter = $TICK_START - $NEXT_TICK;
		3893	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3894	warn "jitter $JITTER\n";#d#
		3895	}
		3896	}
		3897	}
		3898
		3899	{
		3900	# configure BDB
		3901
		3902	BDB::min_parallel 8;
		3903	BDB::max_poll_reqs $TICK * 0.1;
		3904	$AnyEvent::BDB::WATCHER->priority (1);
		3905
		3906	unless ($DB_ENV) {
		3907	$DB_ENV = BDB::db_env_create;
		3908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3909	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3910	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3911	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3912	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3913
		3914	cf::sync_job {
		3915	eval {
		3916	BDB::db_env_open
		3917	$DB_ENV,
		3918	$BDBDIR,
		3919	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3920	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3921	0666;
		3922
		3923	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3924	};
		3925
		3926	cf::cleanup "db_env_open(db): $@" if $@;
		3927	};
		3928	}
		3929
		3930	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3931	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3932	};
		3933	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3934	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3935	};
		3936	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3937	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3938	};
		3939	}
		3940
		3941	{
		3942	# configure IO::AIO
		3943
		3944	IO::AIO::min_parallel 8;
		3945	IO::AIO::max_poll_time $TICK * 0.1;
		3946	undef $AnyEvent::AIO::WATCHER;
		3947	}
		3948
		3949	my $_log_backtrace;
		3950
		3951	sub _log_backtrace {
		3952	my ($msg, @addr) = @_;
		3953
		3954	$msg =~ s/\n//;
		3955
		3956	# limit the # of concurrent backtraces
		3957	if ($_log_backtrace < 2) {
		3958	++$_log_backtrace;
		3959	my $perl_bt = Carp::longmess $msg;
		3960	async {
		3961	$Coro::current->{desc} = "abt $msg";
		3962
		3963	my @bt = fork_call {
		3964	@addr = map { sprintf "%x", $_ } @addr;
		3965	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3966	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3967	or die "addr2line: $!";
		3968
		3969	my @funcs;
		3970	my @res = <$fh>;
		3971	chomp for @res;
		3972	while (@res) {
		3973	my ($func, $line) = splice @res, 0, 2, ();
		3974	push @funcs, "[$func] $line";
		3975	}
		3976
		3977	@funcs
		3978	};
		3979
		3980	LOG llevInfo, "[ABT] $perl_bt\n";
		3981	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3982	LOG llevInfo, "[ABT] $_\n" for @bt;
		3983	--$_log_backtrace;
		3984	};
		3985	} else {
		3986	LOG llevInfo, "[ABT] $msg\n";
		3987	LOG llevInfo, "[ABT] [suppressed]\n";
		3988	}
		3989	}
		3990
		3991	# load additional modules
		3992	require "cf/$_.pm" for @EXTRA_MODULES;
		3993	cf::_connect_to_perl_2;
2483		3994
2484	END { cf::emergency_save }	3995	END { cf::emergency_save }
2485		3996
2486	1	3997	1
2487		3998

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