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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.124 by root, Tue Jan 2 22:55:05 2007 UTC vs.
Revision 1.498 by elmex, Tue Jan 5 16:16:37 2010 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 ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3;	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	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" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	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
44	our $NEXT_TICK;	115	our $NEXT_TICK;
45	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);
46		124
47	our %CFG;	125	our %CFG;
48		126
49	our $UPTIME; $UPTIME ||= time;	127	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	128	our $RUNTIME;
		129	our $NOW;
51		130
52	our %MAP; # all maps	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO;	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		162
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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::"} };
78		177
79	#############################################################################	178	#############################################################################
80		179
81	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
82		181
…		…
89	=item $cf::RUNTIME	188	=item $cf::RUNTIME
90		189
91	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
92	every server tick.	191	every server tick.
93		192
94	=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
95		196
96	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		201
99	=item $cf::NOW	202	=item $cf::NOW
100		203
101	The time of the last (current) server tick.	204	The time of the last (current) server tick.
102		205
103	=item $cf::TICK	206	=item $cf::TICK
104		207
105	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	220	=item %cf::CFG
108		221
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	223	from wherever your confdir points to.
111		224
		225	=item cf::wait_for_tick, cf::wait_for_tick_begin
		226
		227	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		228	returns directly I<after> the tick processing (and consequently, can only wake one process
		229	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		230
		231	=item @cf::INVOKE_RESULTS
		232
		233	This array contains the results of the last C<invoke ()> call. When
		234	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		235	that call.
		236
		237	=item %cf::REFLECT
		238
		239	Contains, for each (C++) class name, a hash reference with information
		240	about object members (methods, scalars, arrays and flags) and other
		241	metadata, which is useful for introspection.
		242
112	=back	243	=back
113		244
114	=cut	245	=cut
115		246
116	BEGIN {	247	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	248	my $msg = join "", @_;
119	utf8::encode $msg;
120		249
121	$msg .= "\n"	250	$msg .= "\n"
122	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
123		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
124	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
125	};	256	};
126	}	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	};
127		271
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		279
135	# 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
136	# within the Safe compartment.	281	# within the Safe compartment.
137	for my $pkg (qw(	282	for my $pkg (qw(
138	cf::global cf::attachable	283	cf::global cf::attachable
139	cf::object cf::object::player	284	cf::object cf::object::player
140	cf::client cf::player	285	cf::client cf::player
141	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
142	cf::map cf::party cf::region	288	cf::party cf::region
143	)) {	289	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	291	}
147		292
148	$Event::DIED = sub {	293	$EV::DIED = sub {
149	warn "error in event callback: @_";	294	Carp::cluck "error in event callback: @_";
150	};	295	};
151		296
152	my %ext_pkg;	297	#############################################################################
153	my @exts;
154	my @hook;
155		298
156	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
157		300
158	=over 4	301	=over 4
159		302
160	=cut	303	=item dumpval $ref
161		304
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
163		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
164	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
165		327
166	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
167		329
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
176		331
177	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
178		333
179	=cut	334	=cut
180		335
181	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		337
186	=item my $guard = cf::guard { BLOCK }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
187		340
188	Run the given callback when the guard object gets destroyed (useful for	341	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		342
191	You can call C<< ->cancel >> on the guard object to stop the block from	343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	344	but I<before> the server starts ticking again.
193		345
194	=cut	346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
195		348
196	sub guard(&) {	349	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		350
200	sub cf::guard::cancel {	351	sub post_init(&) {
201	${$_[0]} = sub { };	352	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	353	}
207		354
208	=item cf::lock_wait $string	355	=item cf::lock_wait $string
209		356
210	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
211		358
212	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
213		360
214	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
215	a 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,
216	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
217	returned.	364	returned.
218		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
219	Lock names should begin with a unique identifier (for example, find_map	369	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	370	uses map_find and cf::map::load uses map_load).
221		371
222	=cut	372	=item $locked = cf::lock_active $string
223		373
224	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
225		379
226	sub lock_wait($) {	380	sub lock_wait($) {
227	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	382	}
235		383
236	sub lock_acquire($) {	384	sub lock_acquire($) {
237	my ($key) = @_;	385	$LOCKS->guard ($_[0])
238
239	# wait, to be sure we are not locked
240	lock_wait $key;
241
242	$LOCK{$key} = [];
243
244	cf::guard {
245	# wake up all waiters, to be on the safe side
246	$_->ready for @{ delete $LOCK{$key} };
247	}
248	}	386	}
		387
		388	sub lock_active($) {
		389	$LOCKS->count ($_[0]) < 1
		390	}
		391
		392	sub freeze_mainloop {
		393	tick_inhibit_inc;
		394
		395	&Guard::guard (\&tick_inhibit_dec);
		396	}
		397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		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	$sig->wait;
		471	}
		472
		473	=item cf::async { BLOCK }
		474
		475	Currently the same as Coro::async_pool, meaning you cannot use
		476	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		477	thing you are allowed to do is call C<prio> on it.
		478
		479	=cut
		480
		481	BEGIN { *async = \&Coro::async_pool }
249		482
250	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
251		484
252	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
255		489
256	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
259	fast or be very important.	493	fast or be very important.
…		…
262		496
263	sub sync_job(&) {	497	sub sync_job(&) {
264	my ($job) = @_;	498	my ($job) = @_;
265		499
266	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
267	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
269		505
270	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	507
272	local $FREEZE = 1;	508	my $freeze_guard = freeze_mainloop;
273		509
274	my $busy = 1;	510	my $busy = 1;
275	my @res;	511	my @res;
276		512
277	(Coro::async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	515	@res = eval { $job->() };
279	warn $@ if $@;	516	warn $@ if $@;
280	undef $busy;	517	undef $busy;
281	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
282		519
283	while ($busy) {	520	while ($busy) {
		521	if (Coro::nready) {
284	Coro::cede_notself;	522	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
286	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
287		531
288	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
289	} else {	533	} else {
290	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
291		535
292	$job->()	536	$job->()
293	}	537	}
294	}	538	}
295		539
296	=item $coro = cf::coro { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
297		541
298	Creates and returns a new coro. This coro is automcatially being canceled	542	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	543	extension calling this is being unloaded.
300		544
301	=cut	545	=cut
302		546
303	sub coro(&) {	547	sub async_ext(&) {
304	my $cb = shift;	548	my $cb = shift;
305		549
306	my $coro; $coro = async {	550	my $coro = &Coro::async ($cb);
307	eval {
308	$cb->();
309	};
310	warn $@ if $@;
311	};
312		551
313	$coro->on_destroy (sub {	552	$coro->on_destroy (sub {
314	delete $EXT_CORO{$coro+0};	553	delete $EXT_CORO{$coro+0};
315	});	554	});
316	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
317		556
318	$coro	557	$coro
319	}	558	}
320		559
321	sub write_runtime {	560	=item fork_call { }, $args
322	my $runtime = cf::localdir . "/runtime";
323		561
324	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
325	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.
326		566
327	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
328	(aio_write $fh, 0, (length $value), $value, 0) <= 0
329	and return;
330		568
331	aio_fsync $fh	569	sub fork_call(&@) {
332	and return;	570	my ($cb, @args) = @_;
333		571
334	close $fh	572	# we seemingly have to make a local copy of the whole thing,
335	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
336		575
337	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
338	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
339		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
340	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 => $type });
341	}	747	}
342		748
343	=back	749	=back
344		750
345	=cut	751	=cut
346		752
347	#############################################################################	753	#############################################################################
348		754
349	package cf::path;
350
351	sub new {
352	my ($class, $path, $base) = @_;
353
354	$path = $path->as_string if ref $path;
355
356	my $self = bless { }, $class;
357
358	# {... are special paths that are not touched
359	# ?xxx/... are special absolute paths
360	# ?random/... random maps
361	# /! non-realised random map exit
362	# /... normal maps
363	# ~/... per-player maps without a specific player (DO NOT USE)
364	# ~user/... per-player map of a specific user
365
366	if ($path =~ /^{/) {
367	# fine as it is
368	} elsif ($path =~ s{^\?random/}{}) {
369	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
370	$self->{random} = cf::from_json $data;
371	} else {
372	if ($path =~ s{^~([^/]+)?}{}) {
373	$self->{user_rel} = 1;
374
375	if (defined $1) {
376	$self->{user} = $1;
377	} elsif ($base =~ m{^~([^/]+)/}) {
378	$self->{user} = $1;
379	} else {
380	warn "cannot resolve user-relative path without user <$path,$base>\n";
381	}
382	} elsif ($path =~ /^\//) {
383	# already absolute
384	} else {
385	$base =~ s{[^/]+/?$}{};
386	return $class->new ("$base/$path");
387	}
388
389	for ($path) {
390	redo if s{/\.?/}{/};
391	redo if s{/[^/]+/\.\./}{/};
392	}
393	}
394
395	$self->{path} = $path;
396
397	$self
398	}
399
400	# the name / primary key / in-game path
401	sub as_string {
402	my ($self) = @_;
403
404	$self->{user_rel} ? "~$self->{user}$self->{path}"
405	: $self->{random} ? "?random/$self->{path}"
406	: $self->{path}
407	}
408
409	# the displayed name, this is a one way mapping
410	sub visible_name {
411	my ($self) = @_;
412
413	# if (my $rmp = $self->{random}) {
414	# # todo: be more intelligent about this
415	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
416	# } else {
417	$self->as_string
418	# }
419	}
420
421	# escape the /'s in the path
422	sub _escaped_path {
423	# ∕ is U+2215
424	(my $path = $_[0]{path}) =~ s/\//∕/g;
425	$path
426	}
427
428	# the original (read-only) location
429	sub load_path {
430	my ($self) = @_;
431
432	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
433	}
434
435	# the temporary/swap location
436	sub save_path {
437	my ($self) = @_;
438
439	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
440	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
441	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
442	}
443
444	# the unique path, might be eq to save_path
445	sub uniq_path {
446	my ($self) = @_;
447
448	$self->{user_rel} || $self->{random}
449	? undef
450	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
451	}
452
453	# return random map parameters, or undef
454	sub random_map_params {
455	my ($self) = @_;
456
457	$self->{random}
458	}
459
460	# this is somewhat ugly, but style maps do need special treatment
461	sub is_style_map {
462	$_[0]{path} =~ m{^/styles/}
463	}
464
465	package cf;
466
467	#############################################################################
468
469	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
470		756
471	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
472	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")
473	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
474		760
475	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>
476	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
477	crossfire+).	763	Deliantra).
478		764
479	=over 4	765	=over 4
480		766
481	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
482		768
…		…
526	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
527		813
528	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
529	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
530		816
531	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
532	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.
533		819
534	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
535		821
536	=over 4	822	=over 4
…		…
596	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
597	our @CB_MAP = ();	883	our @CB_MAP = ();
598		884
599	my %attachment;	885	my %attachment;
600		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
601	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
602	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
603		895
604	use sort 'stable';	896	use sort 'stable';
605		897
…		…
639	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
640		932
641	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
642	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
643	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
644	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
645		937
646	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
647	my $pkg = shift @arg;	939	my $pkg = shift @arg;
648		940
649	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
678	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
679	}	971	}
680		972
681	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
682	} else {	974	} else {
683	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
684	}	976	}
685		977
686	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
687	}	979	}
688		980
…		…
690	if (ref $_[0]) {	982	if (ref $_[0]) {
691	_object_attach @_;	983	_object_attach @_;
692	} else {	984	} else {
693	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
694	}	986	}
		987	_recalc_want;
695	};	988	};
696		989
697	# all those should be optimised	990	# all those should be optimised
698	sub cf::attachable::detach {	991	sub cf::attachable::detach {
699	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
702	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
703	reattach ($obj);	996	reattach ($obj);
704	} else {	997	} else {
705	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
706	}	999	}
		1000	_recalc_want;
707	};	1001	};
708		1002
709	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
710	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
711		1005
…		…
726	";	1020	";
727	die if $@;	1021	die if $@;
728	}	1022	}
729		1023
730	our $override;	1024	our $override;
731	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?
732		1026
733	sub override {	1027	sub override {
734	$override = 1;	1028	$override = 1;
735	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
736	}	1030	}
737		1031
738	sub do_invoke {	1032	sub do_invoke {
739	my $event = shift;	1033	my $event = shift;
740	my $callbacks = shift;	1034	my $callbacks = shift;
741		1035
742	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
743		1037
744	local $override;	1038	local $override;
745		1039
746	for (@$callbacks) {	1040	for (@$callbacks) {
747	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
756	}	1050	}
757		1051
758	0	1052	0
759	}	1053	}
760		1054
761	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
762		1056
763	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
764		1058
765	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
766		1060
767	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
768	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
769	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
770		1064
771	=back	1065	=back
772		1066
773	=cut	1067	=cut
774		1068
775	#############################################################################	1069	#############################################################################
776	# 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	}
777		1113
778	sub reattach {	1114	sub reattach {
779	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
780	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
781		1120
782	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
783		1122
784	@$registry = ();	1123	@$registry = ();
785		1124
…		…
800	cf::attachable->attach (	1139	cf::attachable->attach (
801	prio => -1000000,	1140	prio => -1000000,
802	on_instantiate => sub {	1141	on_instantiate => sub {
803	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
804		1143
805	$data = from_json $data;	1144	$data = decode_json $data;
806		1145
807	for (@$data) {	1146	for (@$data) {
808	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
809		1148
810	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
826	sub object_freezer_save {	1165	sub object_freezer_save {
827	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
828		1167
829	sync_job {	1168	sync_job {
830	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
831	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
832	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
833		1173
834	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
835	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
836	aio_write $fh, 0, (length $$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;
837	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
838	close $fh;	1181	aio_close $fh;
839		1182
840	if (@$objs) {	1183	if (@$objs) {
841	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) {
842	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
843	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
844	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;
845	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
846	close $fh;	1192	aio_close $fh;
847	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
848	}	1194	}
849	} else {	1195	} else {
850	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
851	}	1197	}
852		1198
853	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
854	} else {	1203	} else {
855	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
856	}	1205	}
857	} else {	1206	} else {
858	aio_unlink $filename;	1207	aio_unlink $filename;
859	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
860	}	1209	}
861	}	1210	};
862	}	1211	}
863		1212
864	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
865	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
866		1215
…		…
878	or return;	1227	or return;
879		1228
880	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
881	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
882	or return;	1231	or return;
		1232
883	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
884	}	1235	}
885		1236
		1237	utf8::decode (my $decname = $filename);
886	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
887	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
888	return ($data, $av);	1241	($data, $av)
889	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
890		1249
891	#############################################################################	1250	#############################################################################
892	# command handling &c	1251	# command handling &c
893		1252
894	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
907	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
908	}	1267	}
909		1268
910	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
911		1270
912	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.
913		1276
914	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
915	called.	1278	called.
916		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
917	=cut	1291	=cut
918		1292
919	sub register_extcmd {	1293	sub register_extcmd {
920	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
921		1295
922	my $caller = caller;
923	#warn "registering extcmd '$name' to '$caller'";
924
925	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
926	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
927		1306
928	cf::player->attach (	1307	cf::player->attach (
929	on_command => sub {	1308	on_command => sub {
930	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
931		1310
…		…
939	cf::override;	1318	cf::override;
940	},	1319	},
941	on_extcmd => sub {	1320	on_extcmd => sub {
942	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
943		1322
944	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
945		1324
946	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
947	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
948	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
949	$pl->ext_reply ($msg->{msgid}, %reply);
950	}
951	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
952	} else {	1340	} else {
953	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
954	}	1342	}
955		1343
956	cf::override;	1344	cf::override;
957	},	1345	},
958	);	1346	);
959		1347
960	sub register {	1348	# "readahead" all extensions
961	my ($base, $pkg) = @_;	1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
962		1351
963	#TODO	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
964	}	1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
965		1357
		1358	$grp
		1359	}
		1360
966	sub load_extension {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
		1365	for my $path (<$LIBDIR/*.ext>) {
		1366	next unless -r $path;
		1367
		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;
		1424	}
		1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
		1430	};
		1431	}
		1432
		1433	#############################################################################
		1434
		1435	=back
		1436
		1437	=head2 CORE EXTENSIONS
		1438
		1439	Functions and methods that extend core deliantra objects.
		1440
		1441	=cut
		1442
		1443	package cf::player;
		1444
		1445	use Coro::AIO;
		1446
		1447	=head3 cf::player
		1448
		1449	=over 4
		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
		1465	=item cf::player::find $login
		1466
		1467	Returns the given player object, loading it if necessary (might block).
		1468
		1469	=cut
		1470
		1471	sub playerdir($) {
		1472	"$PLAYERDIR/"
		1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1474	}
		1475
		1476	sub path($) {
		1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1478
		1479	(playerdir $login) . "/playerdata"
		1480	}
		1481
		1482	sub find_active($) {
		1483	$cf::PLAYER{$_[0]}
		1484	and $cf::PLAYER{$_[0]}->active
		1485	and $cf::PLAYER{$_[0]}
		1486	}
		1487
		1488	sub exists($) {
		1489	my ($login) = @_;
		1490
		1491	$cf::PLAYER{$login}
		1492	or !aio_stat path $login
		1493	}
		1494
		1495	sub find($) {
		1496	return $cf::PLAYER{$_[0]} || do {
		1497	my $login = $_[0];
		1498
		1499	my $guard = cf::lock_acquire "user_find:$login";
		1500
		1501	$cf::PLAYER{$_[0]} || do {
		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
		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;
		1517	$cf::PLAYER{$login} = $pl
		1518	}
		1519	}
		1520	}
		1521
		1522	sub save($) {
		1523	my ($pl) = @_;
		1524
		1525	return if $pl->{deny_save};
		1526
		1527	my $path = path $pl;
		1528	my $guard = cf::lock_acquire "user_save:$path";
		1529
		1530	return if $pl->{deny_save};
		1531
		1532	aio_mkdir playerdir $pl, 0770;
		1533	$pl->{last_save} = $cf::RUNTIME;
		1534
		1535	cf::get_slot 0.01;
		1536
		1537	$pl->save_pl ($path);
		1538	cf::cede_to_tick;
		1539	}
		1540
		1541	sub new($) {
		1542	my ($login) = @_;
		1543
		1544	my $self = create;
		1545
		1546	$self->ob->name ($login);
		1547	$self->{deny_save} = 1;
		1548
		1549	$cf::PLAYER{$login} = $self;
		1550
		1551	$self
		1552	}
		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
		1564	=item $pl->quit_character
		1565
		1566	Nukes the player without looking back. If logged in, the connection will
		1567	be destroyed. May block for a long time.
		1568
		1569	=cut
		1570
		1571	sub quit_character {
		1572	my ($pl) = @_;
		1573
		1574	my $name = $pl->ob->name;
		1575
		1576	$pl->{deny_save} = 1;
		1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
		1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1584	$pl->ns->destroy if $pl->ns;
		1585
		1586	my $path = playerdir $pl;
		1587	my $temp = "$path~$cf::RUNTIME~deleting~";
		1588	aio_rename $path, $temp;
		1589	delete $cf::PLAYER{$pl->ob->name};
		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
		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;
		1612	}
		1613
		1614	=item cf::player::list_logins
		1615
		1616	Returns am arrayref of all valid playernames in the system, can take a
		1617	while and may block, so not sync_job-capable, ever.
		1618
		1619	=cut
		1620
		1621	sub list_logins {
		1622	my $dirs = aio_readdir $PLAYERDIR
		1623	or return [];
		1624
		1625	my @logins;
		1626
		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") {
		1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1634	aio_read $fh, 0, 512, my $buf, 0 or next;
		1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
		1637
		1638	utf8::decode $login;
		1639	push @logins, $login;
		1640	}
		1641
		1642	\@logins
		1643	}
		1644
		1645	=item $player->maps
		1646
		1647	Returns an arrayref of map paths that are private for this
		1648	player. May block.
		1649
		1650	=cut
		1651
		1652	sub maps($) {
		1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
		1656
		1657	my $files = aio_readdir playerdir $pl
		1658	or return;
		1659
		1660	my @paths;
		1661
		1662	for (@$files) {
		1663	utf8::decode $_;
		1664	next if /\.(?:pl|pst)$/;
		1665	next unless /^$PATH_SEP/o;
		1666
		1667	push @paths, cf::map::normalise "~$pl/$_";
		1668	}
		1669
		1670	\@paths
		1671	}
		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
		1677	=item $player->ext_reply ($msgid, @msg)
		1678
		1679	Sends an ext reply to the player.
		1680
		1681	=cut
		1682
		1683	sub ext_reply($$@) {
		1684	my ($self, $id, @msg) = @_;
		1685
		1686	$self->ns->ext_reply ($id, @msg)
		1687	}
		1688
		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($) {
967	my ($path) = @_;	1716	my ($path) = @_;
968		1717
969	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1718	my ($match, $specificity);
970	my $base = $1;
971	my $pkg = $1;
972	$pkg =~ s/[^[:word:]]/_/g;
973	$pkg = "ext::$pkg";
974		1719
975	warn "loading '$path' into '$pkg'\n";	1720	for my $region (list) {
976		1721	if ($region->{match} && $path =~ $region->{match}) {
977	open my $fh, "<:utf8", $path	1722	($match, $specificity) = ($region, $region->specificity)
978	or die "$path: $!";	1723	if $region->specificity > $specificity;
979		1724	}
980	my $source =
981	"package $pkg; use strict; use utf8;\n"
982	. "#line 1 \"$path\"\n{\n"
983	. (do { local $/; <$fh> })
984	. "\n};\n1";
985
986	eval $source
987	or die $@ ? "$path: $@\n"
988	: "extension disabled.\n";
989
990	push @exts, $pkg;
991	$ext_pkg{$base} = $pkg;
992
993	# no strict 'refs';
994	# @{"$pkg\::ISA"} = ext::;
995
996	register $base, $pkg;
997	}
998
999	sub unload_extension {
1000	my ($pkg) = @_;
1001
1002	warn "removing extension $pkg\n";
1003
1004	# remove hooks
1005	#TODO
1006	# for my $idx (0 .. $#PLUGIN_EVENT) {
1007	# delete $hook[$idx]{$pkg};
1008	# }	1725	}
1009		1726
1010	# remove commands	1727	$match
1011	for my $name (keys %COMMAND) {
1012	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1013
1014	if (@cb) {
1015	$COMMAND{$name} = \@cb;
1016	} else {
1017	delete $COMMAND{$name};
1018	}
1019	}
1020
1021	# remove extcmds
1022	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1023	delete $EXTCMD{$name};
1024	}
1025
1026	if (my $cb = $pkg->can ("unload")) {
1027	eval {
1028	$cb->($pkg);
1029	1
1030	} or warn "$pkg unloaded, but with errors: $@";
1031	}
1032
1033	Symbol::delete_package $pkg;
1034	}
1035
1036	sub load_extensions {
1037	for my $ext (<$LIBDIR/*.ext>) {
1038	next unless -r $ext;
1039	eval {
1040	load_extension $ext;
1041	1
1042	} or warn "$ext not loaded: $@";
1043	}
1044	}
1045
1046	#############################################################################
1047	# load/save/clean perl data associated with a map
1048
1049	*cf::mapsupport::on_clean = sub {
1050	my ($map) = @_;
1051
1052	my $path = $map->tmpname;
1053	defined $path or return;
1054
1055	unlink "$path.pst";
1056	};
1057
1058	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1059
1060	#############################################################################
1061	# load/save perl data associated with player->ob objects
1062
1063	sub all_objects(@) {
1064	@_, map all_objects ($_->inv), @_
1065	}
1066
1067	# TODO: compatibility cruft, remove when no longer needed
1068	cf::player->attach (
1069	on_load => sub {
1070	my ($pl, $path) = @_;
1071
1072	for my $o (all_objects $pl->ob) {
1073	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1074	$o->set_ob_key_value ("_perl_data");
1075
1076	%$o = %{ Storable::thaw pack "H*", $value };
1077	}
1078	}
1079	},
1080	);
1081
1082	#############################################################################
1083
1084	=head2 CORE EXTENSIONS
1085
1086	Functions and methods that extend core crossfire objects.
1087
1088	=head3 cf::player
1089
1090	=over 4
1091
1092	=item cf::player::exists $login
1093
1094	Returns true when the given account exists.
1095
1096	=cut
1097
1098	sub cf::player::exists($) {
1099	cf::player::find $_[0]
1100	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1101	}
1102
1103	=item $player->ext_reply ($msgid, $msgtype, %msg)
1104
1105	Sends an ext reply to the player.
1106
1107	=cut
1108
1109	sub cf::player::ext_reply($$$%) {
1110	my ($self, $id, %msg) = @_;
1111
1112	$msg{msgid} = $id;
1113
1114	$self->send ("ext " . to_json \%msg);
1115	}	1728	}
1116		1729
1117	=back	1730	=back
1118
1119		1731
1120	=head3 cf::map	1732	=head3 cf::map
1121		1733
1122	=over 4	1734	=over 4
1123		1735
…		…
1126	package cf::map;	1738	package cf::map;
1127		1739
1128	use Fcntl;	1740	use Fcntl;
1129	use Coro::AIO;	1741	use Coro::AIO;
1130		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1131	our $MAX_RESET = 7200;	1747	our $MAX_RESET = 3600;
1132	our $DEFAULT_RESET = 3600;	1748	our $DEFAULT_RESET = 3000;
1133		1749
1134	sub generate_random_map {	1750	sub generate_random_map {
1135	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1136		1754
1137	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1138	cf::map::_create_random_map	1756	$self->_create_random_map (
1139	$path,
1140	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1141	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1142	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1143	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1144	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1145	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1146	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1147	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1148	$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},
1149	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1150	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1151	}	1769	}
1152		1770
1153	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1154	# all maps in C++...
1155	sub change_all_map_light {
1156	my ($change) = @_;
1157		1772
1158	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1159	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1160	}	1775	default).
1161		1776
1162	sub try_load_header($) {	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 {
1163	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) = @_;
1164		1916
1165	utf8::encode $path;	1917	utf8::encode $path;
1166	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1167	or return;	1919	or return;
1168		1920
1169	my $map = cf::map::new	1921	$self->_load_header ($f)
1170	or return;	1922	or return;
1171		1923
1172	$map->load_header ($path)	1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
		1926
		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
1173	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1174		1973
1175	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1176		1976
1177	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
1178	}	1978	unless $self->default_region;
1179		1979
		1980	1
		1981	}
		1982
		1983	sub find;
1180	sub find_map {	1984	sub find {
1181	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1182		1986
1183	#warn "find_map<$path,$origin>\n";#d#
1184
1185	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1186	my $key = $path->as_string;
1187		1988
1188	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1189
1190	$cf::MAP{$key} || do {
1191	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1192		1991
1193	# do it the slow way	1992	$cf::MAP{$path} || do {
1194	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1195
1196	if ($map) {
1197	# safety
1198	$map->{instantiate_time} = $cf::RUNTIME
1199	if $map->{instantiate_time} > $cf::RUNTIME;
1200	} else {
1201	if (my $rmp = $path->random_map_params) {
1202	$map = generate_random_map $key, $rmp;
1203	} else {
1204	$map = try_load_header $path->load_path;
1205	}
1206
1207	$map or return;	1994	or return;
1208		1995
1209	$map->{load_original} = 1;
1210	$map->{instantiate_time} = $cf::RUNTIME;
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1220	$map->last_access ($cf::RUNTIME);
1221		1997
1222	if ($map->should_reset) {	1998	$map->load_header
		1999	or return;
		2000
		2001	if ($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;
1223	$map->reset;	2006	$map->reset;
1224	undef $guard;	2007	return find $path;
1225	$map = cf::map::find_map ($path)
1226	or return;
1227	}	2008	}
1228		2009
1229	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1230	}	2011	}
1231	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1232		2016
1233	sub load {	2017	sub load {
1234	my ($self) = @_;	2018	my ($self) = @_;
1235		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1236	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1237	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1238		2026
		2027	return unless $self->valid;
1239	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1240		2029
1241	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1242		2031
1243	$self->alloc;	2032	$self->alloc;
1244	$self->load_objects ($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)
1245	or return;	2040	or return;
1246		2041
1247	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1248	if delete $self->{load_original};	2043	if delete $self->{load_original};
1249		2044
1250	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1251	utf8::encode $uniq;	2046	utf8::encode $uniq;
1252	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1253	$self->clear_unique_items;	2049	$self->clear_unique_items;
1254	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1255	}	2053	}
1256	}	2054	}
1257		2055
		2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1258	# now do the right thing for maps	2059	# now do the right thing for maps
1259	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1270	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;
1271	$self->activate;	2070	$self->activate;
1272	}	2071	}
1273		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1274	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
1275	}	2077	}
1276		2078
1277	sub load_map_sync {	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	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($map) = @_;
		2097
		2098	my @neigh; # diagonal neighbours
		2099
		2100	for (0 .. 3) {
		2101	my $neigh = $map->tile_path ($_)
		2102	or next;
		2103	$neigh = find $neigh, $map
		2104	or next;
		2105	$neigh->load;
		2106
		2107	push @neigh,
		2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2110	}
		2111
		2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
		2114	my $neigh = find $path, $origin
		2115	or next;
		2116	$neigh->load;
		2117	}
		2118	}
		2119
		2120	sub find_sync {
1278	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1279		2122
1280	#warn "load_map_sync<$path, $origin>\n";#d#	2123	cf::sync_job { find $path, $origin }
		2124	}
1281		2125
1282	cf::sync_job {	2126	sub do_load_sync {
1283	my $map = cf::map::find_map $path, $origin	2127	my ($map) = @_;
1284	or return;	2128
1285	$map->load;	2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1286	$map	2130	if $Coro::current == $Coro::main;
		2131
		2132	cf::sync_job { $map->load };
		2133	}
		2134
		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
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
1287	}	2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1288	}	2166	}
1289		2167
1290	sub save {	2168	sub save {
1291	my ($self) = @_;	2169	my ($self) = @_;
1292		2170
		2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2172
1293	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1294		2174
1295	return unless $self->dirty;	2175	return unless $self->dirty;
1296		2176
1297	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1298	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1299		2179
1300	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1301		2181
1302	return if $self->{deny_save};	2182	return if $self->{deny_save};
1303		2183
		2184	local $self->{last_access} = $self->last_access;#d#
		2185
		2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
		2188	$_->contr->save for $self->players;
		2189	};
		2190
		2191	cf::get_slot 0.02;
		2192
1304	if ($uniq) {	2193	if ($uniq) {
1305	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1306	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1307	} else {	2196	} else {
1308	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1309	}	2198	}
1310	}	2199	}
1311		2200
1312	sub swap_out {	2201	sub swap_out {
1313	my ($self) = @_;	2202	my ($self) = @_;
1314		2203
		2204	# save first because save cedes
		2205	$self->save;
		2206
		2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2208
1315	return if $self->players;	2209	return if $self->players;
1316	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1317	return if $self->{deny_save};	2211	return if $self->{deny_save};
1318		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
1319	$self->save;	2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1320	$self->clear;	2217	$self->clear;
1321	$self->in_memory (cf::MAP_SWAPPED);
1322	}	2218	}
1323		2219
1324	sub reset_at {	2220	sub reset_at {
1325	my ($self) = @_;	2221	my ($self) = @_;
1326		2222
1327	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1328	return 1e99 if $self->{path}{user_rel};
1329	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1330		2225
1331	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1332	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1333		2228
…		…
1338	my ($self) = @_;	2233	my ($self) = @_;
1339		2234
1340	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1341	}	2236	}
1342		2237
1343	sub unlink_save {
1344	my ($self) = @_;
1345
1346	utf8::encode (my $save = $self->{path}->save_path);
1347	aioreq_pri 3; IO::AIO::aio_unlink $save;
1348	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1349	}
1350
1351	sub rename {
1352	my ($self, $new_path) = @_;
1353
1354	$self->unlink_save;
1355
1356	delete $cf::MAP{$self->path};
1357	$self->{path} = new cf::path $new_path;
1358	$self->path ($self->{path}->as_string);
1359	$cf::MAP{$self->path} = $self;
1360
1361	$self->save;
1362	}
1363
1364	sub reset {	2238	sub reset {
1365	my ($self) = @_;	2239	my ($self) = @_;
1366		2240
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1367	return if $self->players;	2243	return if $self->players;
1368	return if $self->{path}{user_rel};#d#
1369		2244
1370	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	}
1371		2256
1372	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1373		2258
		2259	$self->deactivate;
1374	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1375		2262
1376	$self->unlink_save;	2263	$self->unlink_save;
1377	$self->destroy;	2264	$self->destroy;
1378	}	2265	}
1379		2266
1380	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1381		2268
1382	sub nuke {	2269	sub nuke {
1383	my ($self) = @_;	2270	my ($self) = @_;
1384		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};
1385	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1386	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1387	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1388	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1389	}	2289	}
1390		2290
1391	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1392	my ($map, $ob) = @_;
1393		2292
1394	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1395	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1396	}	2299	[
1397		2300	map {
1398	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1399	}	2307	}
1400		2308
1401	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1402	local $cf::FREEZE = 1;
1403		2310
1404	warn "enter emergency map save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1405		2313
1406	cf::sync_job {	2314	=cut
1407	warn "begin emergency map save\n";	2315
1408	$_->save for values %cf::MAP;	2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
		2327	=item cf::map::unique_maps
		2328
		2329	Returns an arrayref of paths of all shared maps that have
		2330	instantiated unique items. May block.
		2331
		2332	=cut
		2333
		2334	sub unique_maps() {
		2335	[
		2336	map {
		2337	utf8::decode $_;
		2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
		2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
1409	};	2373	}
1410		2374
1411	warn "end emergency map save\n";	2375	\@maps
		2376	}
		2377
		2378	=back
		2379
		2380	=head3 cf::object
		2381
		2382	=cut
		2383
		2384	package cf::object;
		2385
		2386	=over 4
		2387
		2388	=item $ob->inv_recursive
		2389
		2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
		2392
		2393	=cut
		2394
		2395	sub inv_recursive_;
		2396	sub inv_recursive_ {
		2397	map { $_, inv_recursive_ $_->inv } @_
		2398	}
		2399
		2400	sub inv_recursive {
		2401	inv_recursive_ inv $_[0]
		2402	}
		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
1412	}	2430	}
1413		2431
1414	package cf;	2432	package cf;
1415		2433
1416	=back	2434	=back
1417
1418		2435
1419	=head3 cf::object::player	2436	=head3 cf::object::player
1420		2437
1421	=over 4	2438	=over 4
1422		2439
…		…
1425	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1426	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1427	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1428		2445
1429	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1430		2461
1431	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1432	# with dialog boxes.	2463	# with dialog boxes.
1433	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1434	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1436		2467
1437	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1438		2469
1439	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1440	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1441	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1442	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1443	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1444	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1445	}	2495	}
1446		2496
1447	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1448		2498
1449	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1462		2512
1463	=item $player_object->enter_link	2513	=item $player_object->enter_link
1464		2514
1465	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1466		2516
1467	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1468	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1469		2523
1470	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1471		2525
1472	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1473	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1474	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1475	to the emergency map position.	2529	fails, to the emergency map position.
1476		2530
1477	Might block.	2531	Might block.
1478		2532
1479	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1480		2544
1481	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1482	my ($self) = @_;	2546	my ($self) = @_;
1483		2547
1484	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1485		2549
1486	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1487		2551
1488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1489	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1490		2554
1491	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1492	}	2556	}
1493		2557
1494	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1495	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1496		2562
1497	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1498		2564
1499	unless ($map) {	2565	unless ($map) {
1500	# restore original map position	2566	# restore original map position
1501	($map, $x, $y) = @{ $link_pos || [] };	2567	($map, $x, $y) = @{ $link_pos || [] };
1502	$map = cf::map::find_map $map;	2568	$map = cf::map::find $map;
1503		2569
1504	unless ($map) {	2570	unless ($map) {
1505	($map, $x, $y) = @$EMERGENCY_POSITION;	2571	($map, $x, $y) = @$EMERGENCY_POSITION;
1506	$map = cf::map::find_map $map	2572	$map = cf::map::find $map
1507	or die "FATAL: cannot load emergency map\n";	2573	or die "FATAL: cannot load emergency map\n";
1508	}	2574	}
1509	}	2575	}
1510		2576
1511	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
1512	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
1513		2579
1514	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1515	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1516	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
1517		2583
1518	$map->load;	2584	$map->load;
		2585	$map->load_neighbours;
1519		2586
		2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1520	$self->activate_recursive;	2593	$self->activate_recursive;
1521	$self->enter_map ($map, $x, $y);
1522	}	2594	}
1523		2595
1524	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1525	on_logout => sub {
1526	my ($pl) = @_;
1527		2597
1528	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1529	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1530	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1531	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1532	};	2602	be called at the end of this process.
1533	}
1534	},
1535	on_login => sub {
1536	my ($pl) = @_;
1537		2603
1538	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1539	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1540	if ($pl->ob->{_link_pos}) {
1541	$pl->ob->enter_link;
1542	Coro::async {
1543	# we need this sleep as the login has a concurrent enter_exit running
1544	# and this sleep increases chances of the player not ending up in scorn
1545	Coro::Timer::sleep 1;
1546	$pl->ob->leave_link;
1547	};
1548	}
1549	},
1550	);
1551		2606
1552	=item $player_object->goto_map ($path, $x, $y)
1553
1554	=cut	2607	=cut
1555		2608
		2609	our $GOTOGEN;
		2610
1556	sub cf::object::player::goto_map {	2611	sub cf::object::player::goto {
1557	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
		2613
		2614	# do generation counting so two concurrent goto's will be executed in-order
		2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1558		2616
1559	$self->enter_link;	2617	$self->enter_link;
1560		2618
1561	(Coro::async {	2619	(async {
1562	$path = new cf::path $path;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
1563		2621
1564	my $map = cf::map::find_map $path->as_string;	2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1565	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1566		2646	$map = $check->($map) if $check && $map;
1567	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1568	# if $map;
1569
1570	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1571		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1572	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1573	})->prio (1);	2665	})->prio (1);
1574	}	2666	}
1575		2667
1576	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1577		2669
…		…
1579		2671
1580	sub parse_random_map_params {	2672	sub parse_random_map_params {
1581	my ($spec) = @_;	2673	my ($spec) = @_;
1582		2674
1583	my $rmp = { # defaults	2675	my $rmp = { # defaults
1584	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1585	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1586	};	2680	};
1587		2681
1588	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1589	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1590		2684
…		…
1602	# that depends on the exit object	2696	# that depends on the exit object
1603		2697
1604	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1605		2699
1606	if ($exit->map) {	2700	if ($exit->map) {
1607	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1608	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1609	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1610	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1611	}	2707	}
1612		2708
1613	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1614		2710
1615	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1616	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1617		2714
1618	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1619	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1620		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1621	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1622	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1623	}	2726	}
1624	}	2727	}
1625		2728
1626	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1627	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
1628		2731
1629	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1630		2733
1631	$self->enter_link;	2734	$self->enter_link;
1632		2735
1633	(Coro::async {	2736	(async {
		2737	$Coro::current->{desc} = "enter_exit";
		2738
1634	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
1635		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1636	prepare_random_map $exit	2746	prepare_random_map $exit
1637	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1638		2749
1639	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1640	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1641		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1642	1;	2760	1
1643	}) {	2761	}) {
1644	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1645	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1646	. "Please report this to the dungeon master",	2764	. "Please report this to the dungeon master!",
1647	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1648		2766
1649	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1650	$self->leave_link;	2768	$self->leave_link;
1651	}	2769	}
1652	})->prio (1);	2770	})->prio (1);
…		…
1665		2783
1666	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1667	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1668		2786
1669	utf8::encode $text;	2787	utf8::encode $text;
1670	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1671	}	2789	}
1672		2790
		2791	=item $client->send_big_packet ($pkt)
		2792
		2793	Like C<send_packet>, but tries to compress large packets, and fragments
		2794	them as required.
		2795
		2796	=cut
		2797
		2798	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2799
		2800	sub cf::client::send_big_packet {
		2801	my ($self, $pkt) = @_;
		2802
		2803	# try lzf for large packets
		2804	$pkt = "lzf " . Compress::LZF::compress $pkt
		2805	if 1024 <= length $pkt and $self->{can_lzf};
		2806
		2807	# split very large packets
		2808	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2809	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2810	$pkt = "frag";
		2811	}
		2812
		2813	$self->send_packet ($pkt);
		2814	}
		2815
		2816	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2817
		2818	Send a drawinfo or msg packet to the client, formatting the msg for the
		2819	client if neccessary. C<$type> should be a string identifying the type of
		2820	the message, with C<log> being the default. If C<$color> is negative, suppress
		2821	the message unless the client supports the msg packet.
		2822
		2823	=cut
		2824
		2825	# non-persistent channels (usually the info channel)
		2826	our %CHANNEL = (
		2827	"c/motd" => {
		2828	id => "infobox",
		2829	title => "MOTD",
		2830	reply => undef,
		2831	tooltip => "The message of the day",
		2832	},
		2833	"c/identify" => {
		2834	id => "infobox",
		2835	title => "Identify",
		2836	reply => undef,
		2837	tooltip => "Items recently identified",
		2838	},
		2839	"c/examine" => {
		2840	id => "infobox",
		2841	title => "Examine",
		2842	reply => undef,
		2843	tooltip => "Signs and other items you examined",
		2844	},
		2845	"c/shopinfo" => {
		2846	id => "infobox",
		2847	title => "Shop Info",
		2848	reply => undef,
		2849	tooltip => "What your bargaining skill tells you about the shop",
		2850	},
		2851	"c/book" => {
		2852	id => "infobox",
		2853	title => "Book",
		2854	reply => undef,
		2855	tooltip => "The contents of a note or book",
		2856	},
		2857	"c/lookat" => {
		2858	id => "infobox",
		2859	title => "Look",
		2860	reply => undef,
		2861	tooltip => "What you saw there",
		2862	},
		2863	"c/who" => {
		2864	id => "infobox",
		2865	title => "Players",
		2866	reply => undef,
		2867	tooltip => "Shows players who are currently online",
		2868	},
		2869	"c/body" => {
		2870	id => "infobox",
		2871	title => "Body Parts",
		2872	reply => undef,
		2873	tooltip => "Shows which body parts you posess and are available",
		2874	},
		2875	"c/statistics" => {
		2876	id => "infobox",
		2877	title => "Statistics",
		2878	reply => undef,
		2879	tooltip => "Shows your primary statistics",
		2880	},
		2881	"c/skills" => {
		2882	id => "infobox",
		2883	title => "Skills",
		2884	reply => undef,
		2885	tooltip => "Shows your experience per skill and item power",
		2886	},
		2887	"c/shopitems" => {
		2888	id => "infobox",
		2889	title => "Shop Items",
		2890	reply => undef,
		2891	tooltip => "Shows the items currently for sale in this shop",
		2892	},
		2893	"c/resistances" => {
		2894	id => "infobox",
		2895	title => "Resistances",
		2896	reply => undef,
		2897	tooltip => "Shows your resistances",
		2898	},
		2899	"c/pets" => {
		2900	id => "infobox",
		2901	title => "Pets",
		2902	reply => undef,
		2903	tooltip => "Shows information abotu your pets/a specific pet",
		2904	},
		2905	"c/perceiveself" => {
		2906	id => "infobox",
		2907	title => "Perceive Self",
		2908	reply => undef,
		2909	tooltip => "You gained detailed knowledge about yourself",
		2910	},
		2911	"c/uptime" => {
		2912	id => "infobox",
		2913	title => "Uptime",
		2914	reply => undef,
		2915	tooltip => "How long the server has been running since last restart",
		2916	},
		2917	"c/mapinfo" => {
		2918	id => "infobox",
		2919	title => "Map Info",
		2920	reply => undef,
		2921	tooltip => "Information related to the maps",
		2922	},
		2923	"c/party" => {
		2924	id => "party",
		2925	title => "Party",
		2926	reply => "gsay ",
		2927	tooltip => "Messages and chat related to your party",
		2928	},
		2929	"c/death" => {
		2930	id => "death",
		2931	title => "Death",
		2932	reply => undef,
		2933	tooltip => "Reason for and more info about your most recent death",
		2934	},
		2935	"c/say" => $SAY_CHANNEL,
		2936	"c/chat" => $CHAT_CHANNEL,
		2937	);
		2938
		2939	sub cf::client::send_msg {
		2940	my ($self, $channel, $msg, $color, @extra) = @_;
		2941
		2942	$msg = $self->pl->expand_cfpod ($msg)
		2943	unless $color & cf::NDI_VERBATIM;
		2944
		2945	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2946
		2947	# check predefined channels, for the benefit of C
		2948	if ($CHANNEL{$channel}) {
		2949	$channel = $CHANNEL{$channel};
		2950
		2951	$self->ext_msg (channel_info => $channel);
		2952	$channel = $channel->{id};
		2953
		2954	} elsif (ref $channel) {
		2955	# send meta info to client, if not yet sent
		2956	unless (exists $self->{channel}{$channel->{id}}) {
		2957	$self->{channel}{$channel->{id}} = $channel;
		2958	$self->ext_msg (channel_info => $channel);
		2959	}
		2960
		2961	$channel = $channel->{id};
		2962	}
		2963
		2964	return unless @extra || length $msg;
		2965
		2966	# default colour, mask it out
		2967	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2968	if $color & cf::NDI_DEF;
		2969
		2970	my $pkt = "msg "
		2971	. $self->{json_coder}->encode (
		2972	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2973	);
		2974
		2975	$self->send_big_packet ($pkt);
		2976	}
		2977
		2978	=item $client->ext_msg ($type, @msg)
		2979
		2980	Sends an ext event to the client.
		2981
		2982	=cut
		2983
		2984	sub cf::client::ext_msg($$@) {
		2985	my ($self, $type, @msg) = @_;
		2986
		2987	if ($self->extcmd == 2) {
		2988	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2989	} elsif ($self->extcmd == 1) { # TODO: remove
		2990	push @msg, msgtype => "event_$type";
		2991	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2992	}
		2993	}
		2994
		2995	=item $client->ext_reply ($msgid, @msg)
		2996
		2997	Sends an ext reply to the client.
		2998
		2999	=cut
		3000
		3001	sub cf::client::ext_reply($$@) {
		3002	my ($self, $id, @msg) = @_;
		3003
		3004	if ($self->extcmd == 2) {
		3005	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3006	} elsif ($self->extcmd == 1) {
		3007	#TODO: version 1, remove
		3008	unshift @msg, msgtype => "reply", msgid => $id;
		3009	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3010	}
		3011	}
1673		3012
1674	=item $success = $client->query ($flags, "text", \&cb)	3013	=item $success = $client->query ($flags, "text", \&cb)
1675		3014
1676	Queues a query to the client, calling the given callback with	3015	Queues a query to the client, calling the given callback with
1677	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3016	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1678	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3017	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1679		3018
1680	Queries can fail, so check the return code. Or don't, as queries will become	3019	Queries can fail, so check the return code. Or don't, as queries will
1681	reliable at some point in the future.	3020	become reliable at some point in the future.
1682		3021
1683	=cut	3022	=cut
1684		3023
1685	sub cf::client::query {	3024	sub cf::client::query {
1686	my ($self, $flags, $text, $cb) = @_;	3025	my ($self, $flags, $text, $cb) = @_;
…		…
1694	utf8::encode $text;	3033	utf8::encode $text;
1695	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3034	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1696		3035
1697	$self->send_packet ($self->{query_queue}[0][0])	3036	$self->send_packet ($self->{query_queue}[0][0])
1698	if @{ $self->{query_queue} } == 1;	3037	if @{ $self->{query_queue} } == 1;
		3038
		3039	1
1699	}	3040	}
1700		3041
1701	cf::client->attach (	3042	cf::client->attach (
		3043	on_connect => sub {
		3044	my ($ns) = @_;
		3045
		3046	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3047	},
1702	on_reply => sub {	3048	on_reply => sub {
1703	my ($ns, $msg) = @_;	3049	my ($ns, $msg) = @_;
1704		3050
1705	# this weird shuffling is so that direct followup queries	3051	# this weird shuffling is so that direct followup queries
1706	# get handled first	3052	# get handled first
1707	my $queue = delete $ns->{query_queue};	3053	my $queue = delete $ns->{query_queue}
		3054	or return; # be conservative, not sure how that can happen, but we saw a crash here
1708		3055
1709	(shift @$queue)->[1]->($msg);	3056	(shift @$queue)->[1]->($msg);
		3057	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1710		3058
1711	push @{ $ns->{query_queue} }, @$queue;	3059	push @{ $ns->{query_queue} }, @$queue;
1712		3060
1713	if (@{ $ns->{query_queue} } == @$queue) {	3061	if (@{ $ns->{query_queue} } == @$queue) {
1714	if (@$queue) {	3062	if (@$queue) {
…		…
1716	} else {	3064	} else {
1717	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1718	}	3066	}
1719	}	3067	}
1720	},	3068	},
		3069	on_exticmd => sub {
		3070	my ($ns, $buf) = @_;
		3071
		3072	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3073
		3074	if (ref $msg) {
		3075	my ($type, $reply, @payload) =
		3076	"ARRAY" eq ref $msg
		3077	? @$msg
		3078	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3079
		3080	my @reply;
		3081
		3082	if (my $cb = $EXTICMD{$type}) {
		3083	@reply = $cb->($ns, @payload);
		3084	}
		3085
		3086	$ns->ext_reply ($reply, @reply)
		3087	if $reply;
		3088
		3089	} else {
		3090	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3091	}
		3092
		3093	cf::override;
		3094	},
1721	);	3095	);
1722		3096
1723	=item $client->coro (\&cb)	3097	=item $client->async (\&cb)
1724		3098
1725	Create a new coroutine, running the specified callback. The coroutine will	3099	Create a new coroutine, running the specified callback. The coroutine will
1726	be automatically cancelled when the client gets destroyed (e.g. on logout,	3100	be automatically cancelled when the client gets destroyed (e.g. on logout,
1727	or loss of connection).	3101	or loss of connection).
1728		3102
1729	=cut	3103	=cut
1730		3104
1731	sub cf::client::coro {	3105	sub cf::client::async {
1732	my ($self, $cb) = @_;	3106	my ($self, $cb) = @_;
1733		3107
1734	my $coro; $coro = async {	3108	my $coro = &Coro::async ($cb);
1735	eval {
1736	$cb->();
1737	};
1738	warn $@ if $@;
1739	};
1740		3109
1741	$coro->on_destroy (sub {	3110	$coro->on_destroy (sub {
1742	delete $self->{_coro}{$coro+0};	3111	delete $self->{_coro}{$coro+0};
1743	});	3112	});
1744		3113
…		…
1771	our $safe = new Safe "safe";	3140	our $safe = new Safe "safe";
1772	our $safe_hole = new Safe::Hole;	3141	our $safe_hole = new Safe::Hole;
1773		3142
1774	$SIG{FPE} = 'IGNORE';	3143	$SIG{FPE} = 'IGNORE';
1775		3144
1776	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3145	$safe->permit_only (Opcode::opset qw(
		3146	:base_core :base_mem :base_orig :base_math :base_loop
		3147	grepstart grepwhile mapstart mapwhile
		3148	sort time
		3149	));
1777		3150
1778	# here we export the classes and methods available to script code	3151	# here we export the classes and methods available to script code
1779		3152
1780	=pod	3153	=pod
1781		3154
1782	The following fucntions and emthods are available within a safe environment:	3155	The following functions and methods are available within a safe environment:
1783		3156
1784	cf::object contr pay_amount pay_player map	3157	cf::object
		3158	contr pay_amount pay_player map x y force_find force_add destroy
		3159	insert remove name archname title slaying race decrease split
		3160	value
		3161
1785	cf::object::player player	3162	cf::object::player
1786	cf::player peaceful	3163	player
1787	cf::map trigger	3164
		3165	cf::player
		3166	peaceful
		3167
		3168	cf::map
		3169	trigger
1788		3170
1789	=cut	3171	=cut
1790		3172
1791	for (	3173	for (
1792	["cf::object" => qw(contr pay_amount pay_player map)],	3174	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3175	insert remove inv nrof name archname title slaying race
		3176	decrease split destroy change_exp value msg lore send_msg)],
1793	["cf::object::player" => qw(player)],	3177	["cf::object::player" => qw(player)],
1794	["cf::player" => qw(peaceful)],	3178	["cf::player" => qw(peaceful send_msg)],
1795	["cf::map" => qw(trigger)],	3179	["cf::map" => qw(trigger)],
1796	) {	3180	) {
1797	no strict 'refs';	3181	no strict 'refs';
1798	my ($pkg, @funs) = @$_;	3182	my ($pkg, @funs) = @$_;
1799	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3183	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1816	my ($code, %vars) = @_;	3200	my ($code, %vars) = @_;
1817		3201
1818	my $qcode = $code;	3202	my $qcode = $code;
1819	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3203	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1820	$qcode =~ s/\n/\\n/g;	3204	$qcode =~ s/\n/\\n/g;
		3205
		3206	%vars = (_dummy => 0) unless %vars;
1821		3207
1822	local $_;	3208	local $_;
1823	local @safe::cf::_safe_eval_args = values %vars;	3209	local @safe::cf::_safe_eval_args = values %vars;
1824		3210
1825	my $eval =	3211	my $eval =
…		…
1868	=back	3254	=back
1869		3255
1870	=cut	3256	=cut
1871		3257
1872	#############################################################################	3258	#############################################################################
		3259	# the server's init and main functions
1873		3260
1874	=head2 EXTENSION DATABASE SUPPORT	3261	sub load_facedata($) {
		3262	my ($path) = @_;
1875		3263
1876	Crossfire maintains a very simple database for extension use. It can	3264	# HACK to clear player env face cache, we need some signal framework
1877	currently store anything that can be serialised using Storable, which	3265	# for this (global event?)
1878	excludes objects.	3266	%ext::player_env::MUSIC_FACE_CACHE = ();
1879		3267
1880	The parameter C<$family> should best start with the name of the extension	3268	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1881	using it, it should be unique.
1882		3269
1883	=over 4	3270	warn "loading facedata from $path\n";
1884		3271
1885	=item $hashref = cf::db_get $family	3272	my $facedata;
		3273	0 < aio_load $path, $facedata
		3274	or die "$path: $!";
1886		3275
1887	Return a hashref for use by the extension C<$family>, which can be	3276	$facedata = Coro::Storable::thaw $facedata;
1888	modified. After modifications, you have to call C<cf::db_dirty> or
1889	C<cf::db_sync>.
1890		3277
1891	=item $value = cf::db_get $family => $key	3278	$facedata->{version} == 2
		3279	or cf::cleanup "$path: version mismatch, cannot proceed.";
1892		3280
1893	Returns a single value from the database	3281	# patch in the exptable
1894		3282	$facedata->{resource}{"res/exp_table"} = {
1895	=item cf::db_put $family => $hashref	3283	type => FT_RSRC,
1896		3284	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1897	Stores the given family hashref into the database. Updates are delayed, if
1898	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1899
1900	=item cf::db_put $family => $key => $value
1901
1902	Stores the given C<$value> in the family hash. Updates are delayed, if you
1903	want the data to be synced to disk immediately, use C<cf::db_sync>.
1904
1905	=item cf::db_dirty
1906
1907	Marks the database as dirty, to be updated at a later time.
1908
1909	=item cf::db_sync
1910
1911	Immediately write the database to disk I<if it is dirty>.
1912
1913	=cut
1914
1915	our $DB;
1916
1917	{
1918	my $path = cf::localdir . "/database.pst";
1919
1920	sub db_load() {
1921	$DB = stat $path ? Storable::retrieve $path : { };
1922	}
1923
1924	my $pid;
1925
1926	sub db_save() {
1927	waitpid $pid, 0 if $pid;
1928	if (0 == ($pid = fork)) {
1929	$DB->{_meta}{version} = 1;
1930	Storable::nstore $DB, "$path~";
1931	rename "$path~", $path;
1932	cf::_exit 0 if defined $pid;
1933	}
1934	}
1935
1936	my $dirty;
1937
1938	sub db_sync() {
1939	db_save if $dirty;
1940	undef $dirty;
1941	}
1942
1943	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1944	db_sync;
1945	});	3285	};
		3286	cf::cede_to_tick;
1946		3287
1947	sub db_dirty() {
1948	$dirty = 1;
1949	$idle->start;
1950	}	3288	{
		3289	my $faces = $facedata->{faceinfo};
1951		3290
1952	sub db_get($;$) {	3291	while (my ($face, $info) = each %$faces) {
1953	@_ >= 2	3292	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1954	? $DB->{$_[0]}{$_[1]}
1955	: ($DB->{$_[0]} ||= { })
1956	}
1957		3293
1958	sub db_put($$;$) {	3294	cf::face::set_visibility $idx, $info->{visibility};
1959	if (@_ >= 3) {	3295	cf::face::set_magicmap $idx, $info->{magicmap};
1960	$DB->{$_[0]}{$_[1]} = $_[2];	3296	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1961	} else {	3297	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1962	$DB->{$_[0]} = $_[1];
1963	}
1964	db_dirty;
1965	}
1966		3298
1967	cf::global->attach (	3299	cf::cede_to_tick;
1968	prio => 10000,
1969	on_cleanup => sub {
1970	db_sync;
1971	},	3300	}
1972	);
1973	}
1974		3301
1975	#############################################################################	3302	while (my ($face, $info) = each %$faces) {
1976	# the server's main()	3303	next unless $info->{smooth};
1977		3304
1978	sub cfg_load {	3305	my $idx = cf::face::find $face
		3306	or next;
		3307
		3308	if (my $smooth = cf::face::find $info->{smooth}) {
		3309	cf::face::set_smooth $idx, $smooth;
		3310	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3311	} else {
		3312	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	{
		3320	my $anims = $facedata->{animinfo};
		3321
		3322	while (my ($anim, $info) = each %$anims) {
		3323	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3324	cf::cede_to_tick;
		3325	}
		3326
		3327	cf::anim::invalidate_all; # d'oh
		3328	}
		3329
		3330	{
		3331	my $res = $facedata->{resource};
		3332
		3333	while (my ($name, $info) = each %$res) {
		3334	if (defined $info->{type}) {
		3335	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3336
		3337	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3338	cf::face::set_type $idx, $info->{type};
		3339	} else {
		3340	$RESOURCE{$name} = $info;
		3341	}
		3342
		3343	cf::cede_to_tick;
		3344	}
		3345	}
		3346
		3347	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3348
		3349	1
		3350	}
		3351
		3352	cf::global->attach (on_resource_update => sub {
		3353	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3354	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3355
		3356	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3357	my $sound = $soundconf->{compat}[$_]
		3358	or next;
		3359
		3360	my $face = cf::face::find "sound/$sound->[1]";
		3361	cf::sound::set $sound->[0] => $face;
		3362	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3363	}
		3364
		3365	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3366	my $face = cf::face::find "sound/$v";
		3367	cf::sound::set $k => $face;
		3368	}
		3369	}
		3370	});
		3371
		3372	register_exticmd fx_want => sub {
		3373	my ($ns, $want) = @_;
		3374
		3375	while (my ($k, $v) = each %$want) {
		3376	$ns->fx_want ($k, $v);
		3377	}
		3378	};
		3379
		3380	sub load_resource_file($) {
		3381	my $guard = lock_acquire "load_resource_file";
		3382
		3383	my $status = load_resource_file_ $_[0];
		3384	get_slot 0.1, 100;
		3385	cf::arch::commit_load;
		3386
		3387	$status
		3388	}
		3389
		3390	sub reload_regions {
		3391	# HACK to clear player env face cache, we need some signal framework
		3392	# for this (global event?)
		3393	%ext::player_env::MUSIC_FACE_CACHE = ();
		3394
		3395	load_resource_file "$MAPDIR/regions"
		3396	or die "unable to load regions file\n";
		3397
		3398	for (cf::region::list) {
		3399	$_->{match} = qr/$_->{match}/
		3400	if exists $_->{match};
		3401	}
		3402	}
		3403
		3404	sub reload_facedata {
		3405	load_facedata "$DATADIR/facedata"
		3406	or die "unable to load facedata\n";
		3407	}
		3408
		3409	sub reload_archetypes {
		3410	load_resource_file "$DATADIR/archetypes"
		3411	or die "unable to load archetypes\n";
		3412	}
		3413
		3414	sub reload_treasures {
		3415	load_resource_file "$DATADIR/treasures"
		3416	or die "unable to load treasurelists\n";
		3417	}
		3418
		3419	sub reload_resources {
		3420	warn "reloading resource files...\n";
		3421
		3422	reload_facedata;
		3423	reload_archetypes;
		3424	reload_regions;
		3425	reload_treasures;
		3426
		3427	warn "finished reloading resource files\n";
		3428	}
		3429
		3430	sub reload_config {
		3431	warn "reloading config file...\n";
		3432
1979	open my $fh, "<:utf8", cf::confdir . "/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
1980	or return;	3434	or return;
1981		3435
1982	local $/;	3436	local $/;
1983	*CFG = YAML::Syck::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
		3438
		3439	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3440
		3441	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3442	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3443
		3444	if (exists $CFG{mlockall}) {
		3445	eval {
		3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3447	and die "WARNING: m(un)lockall failed: $!\n";
		3448	};
		3449	warn $@ if $@;
		3450	}
		3451
		3452	warn "finished reloading resource files\n";
		3453	}
		3454
		3455	sub pidfile() {
		3456	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3457	or die "$PIDFILE: $!";
		3458	flock $fh, &Fcntl::LOCK_EX
		3459	or die "$PIDFILE: flock: $!";
		3460	$fh
		3461	}
		3462
		3463	# make sure only one server instance is running at any one time
		3464	sub atomic {
		3465	my $fh = pidfile;
		3466
		3467	my $pid = <$fh>;
		3468	kill 9, $pid if $pid > 0;
		3469
		3470	seek $fh, 0, 0;
		3471	print $fh $$;
		3472	}
		3473
		3474	sub main_loop {
		3475	warn "EV::loop starting\n";
		3476	if (1) {
		3477	EV::loop;
		3478	}
		3479	warn "EV::loop returned\n";
		3480	goto &main_loop unless $REALLY_UNLOOP;
1984	}	3481	}
1985		3482
1986	sub main {	3483	sub main {
		3484	cf::init_globals; # initialise logging
		3485
		3486	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3487	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3488	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3489	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3490
		3491	cf::init_experience;
		3492	cf::init_anim;
		3493	cf::init_attackmess;
		3494	cf::init_dynamic;
		3495
		3496	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3497
1987	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
1988	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
1989	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3500	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990	(Coro::unblock_sub {	3501	(async {
1991	Event::one_event;	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
1992	})->();	3503	EV::loop EV::LOOP_ONESHOT;
		3504	})->prio (Coro::PRIO_MAX);
1993	};	3505	};
1994		3506
1995	cfg_load;	3507	evthread_start IO::AIO::poll_fileno;
1996	db_load;	3508
		3509	cf::sync_job {
		3510	cf::load_settings;
		3511	cf::load_materials;
		3512
		3513	reload_resources;
		3514	reload_config;
		3515	db_init;
		3516
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
1997	load_extensions;	3526	load_extensions;
1998	Event::loop;	3527
		3528	utime time, time, $RUNTIMEFILE;
		3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
		3535	};
		3536
		3537	main_loop;
1999	}	3538	}
2000		3539
2001	#############################################################################	3540	#############################################################################
2002	# initialisation	3541	# initialisation and cleanup
2003		3542
		3543	# install some emergency cleanup handlers
		3544	BEGIN {
		3545	our %SIGWATCHER = ();
		3546	for my $signal (qw(INT HUP TERM)) {
		3547	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3548	cf::cleanup "SIG$signal";
		3549	};
		3550	}
		3551	}
		3552
		3553	sub write_runtime_sync {
		3554	# first touch the runtime file to show we are still running:
		3555	# the fsync below can take a very very long time.
		3556
		3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3558
		3559	my $guard = cf::lock_acquire "write_runtime";
		3560
		3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3562	or return;
		3563
		3564	my $value = $cf::RUNTIME + 90 + 10;
		3565	# 10 is the runtime save interval, for a monotonic clock
		3566	# 60 allows for the watchdog to kill the server.
		3567
		3568	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3569	and return;
		3570
		3571	# always fsync - this file is important
		3572	aio_fsync $fh
		3573	and return;
		3574
		3575	# touch it again to show we are up-to-date
		3576	aio_utime $fh, undef, undef;
		3577
		3578	close $fh
		3579	or return;
		3580
		3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3582	and return;
		3583
		3584	warn "runtime file written.\n";
		3585
		3586	1
		3587	}
		3588
		3589	our $uuid_lock;
		3590	our $uuid_skip;
		3591
		3592	sub write_uuid_sync($) {
		3593	$uuid_skip ||= $_[0];
		3594
		3595	return if $uuid_lock;
		3596	local $uuid_lock = 1;
		3597
		3598	my $uuid = "$LOCALDIR/uuid";
		3599
		3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3601	or return;
		3602
		3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
		3611	$uuid_skip = 0;
		3612
		3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3614	and return;
		3615
		3616	# always fsync - this file is important
		3617	aio_fsync $fh
		3618	and return;
		3619
		3620	close $fh
		3621	or return;
		3622
		3623	aio_rename "$uuid~", $uuid
		3624	and return;
		3625
		3626	warn "uuid file written ($value).\n";
		3627
		3628	1
		3629
		3630	}
		3631
		3632	sub write_uuid($$) {
		3633	my ($skip, $sync) = @_;
		3634
		3635	$sync ? write_uuid_sync $skip
		3636	: async { write_uuid_sync $skip };
		3637	}
		3638
		3639	sub emergency_save() {
		3640	my $freeze_guard = cf::freeze_mainloop;
		3641
		3642	warn "emergency_perl_save: enter\n";
		3643
		3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
		3650	# use a peculiar iteration method to avoid tripping on perl
		3651	# refcount bugs in for. also avoids problems with players
		3652	# and maps saved/destroyed asynchronously.
		3653	warn "emergency_perl_save: begin player save\n";
		3654	for my $login (keys %cf::PLAYER) {
		3655	my $pl = $cf::PLAYER{$login} or next;
		3656	$pl->valid or next;
		3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3658	$pl->save;
		3659	}
		3660	warn "emergency_perl_save: end player save\n";
		3661
		3662	warn "emergency_perl_save: begin map save\n";
		3663	for my $path (keys %cf::MAP) {
		3664	my $map = $cf::MAP{$path} or next;
		3665	$map->valid or next;
		3666	$map->save;
		3667	}
		3668	warn "emergency_perl_save: end map save\n";
		3669
		3670	warn "emergency_perl_save: begin database checkpoint\n";
		3671	BDB::db_env_txn_checkpoint $DB_ENV;
		3672	warn "emergency_perl_save: end database checkpoint\n";
		3673
		3674	warn "emergency_perl_save: begin write uuid\n";
		3675	write_uuid_sync 1;
		3676	warn "emergency_perl_save: end write uuid\n";
		3677	};
		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
		3684	warn "emergency_perl_save: leave\n";
		3685	}
		3686
		3687	sub post_cleanup {
		3688	my ($make_core) = @_;
		3689
		3690	warn Carp::longmess "post_cleanup backtrace"
		3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
		3721	}
		3722
2004	sub reload() {	3723	sub do_reload_perl() {
2005	# can/must only be called in main	3724	# can/must only be called in main
2006	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
2007	warn "can only reload from main coroutine\n";	3726	warn "can only reload from main coroutine";
2008	return;	3727	return;
2009	}	3728	}
2010		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
2011	warn "reloading...";	3735	warn "reloading...";
2012		3736
2013	local $FREEZE = 1;	3737	warn "entering sync_job";
		3738
		3739	cf::sync_job {
		3740	cf::write_runtime_sync; # external watchdog should not bark
2014	cf::emergency_save;	3741	cf::emergency_save;
		3742	cf::write_runtime_sync; # external watchdog should not bark
2015		3743
2016	eval {	3744	warn "syncing database to disk";
		3745	BDB::db_env_txn_checkpoint $DB_ENV;
		3746
2017	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
2018		3748
2019	# cancel all watchers	3749	warn "flushing outstanding aio requests";
2020	for (Event::all_watchers) {	3750	while (IO::AIO::nreqs || BDB::nreqs) {
2021	$_->cancel if $_->data & WF_AUTOCANCEL;	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2022	}
2023
2024	# cancel all extension coros
2025	$_->cancel for values %EXT_CORO;
2026	%EXT_CORO = ();
2027
2028	# unload all extensions
2029	for (@exts) {
2030	warn "unloading <$_>";
2031	unload_extension $_;
2032	}
2033
2034	# unload all modules loaded from $LIBDIR
2035	while (my ($k, $v) = each %INC) {
2036	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2037
2038	warn "removing <$k>";
2039	delete $INC{$k};
2040
2041	$k =~ s/\.pm$//;
2042	$k =~ s/\//::/g;
2043
2044	if (my $cb = $k->can ("unload_module")) {
2045	$cb->();
2046	}	3752	}
2047		3753
2048	Symbol::delete_package $k;	3754	warn "cancelling all extension coros";
		3755	$_->cancel for values %EXT_CORO;
		3756	%EXT_CORO = ();
		3757
		3758	warn "removing commands";
		3759	%COMMAND = ();
		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
		3767	warn "... unloading $pkg";
		3768
		3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
		3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
2049	}	3778	}
2050		3779
2051	# sync database to disk	3780	warn "unloading all perl modules loaded from $LIBDIR";
2052	cf::db_sync;	3781	while (my ($k, $v) = each %INC) {
2053	IO::AIO::flush;	3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2054		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
		3795	}
		3796
2055	# get rid of safe::, as good as possible	3797	warn "getting rid of safe::, as good as possible";
2056	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
2057	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2058		3800
2059	# remove register_script_function callbacks	3801	warn "unloading cf.pm \"a bit\"";
2060	# TODO
2061
2062	# unload cf.pm "a bit"
2063	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
		3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2064		3804
2065	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
2066	# and global variables created in xs	3806	# and global variables created in xs
2067	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
2068		3808
2069	# reload cf.pm	3809	warn "unload completed, starting to reload now";
		3810
2070	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
2071	require cf;	3812	require cf;
2072	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
2073		3814
2074	# load config and database again	3815	warn "loading config and database again";
2075	cf::cfg_load;	3816	cf::reload_config;
2076	cf::db_load;
2077		3817
2078	# load extensions
2079	warn "load extensions";	3818	warn "loading extensions";
2080	cf::load_extensions;	3819	cf::load_extensions;
2081		3820
2082	# reattach attachments to objects	3821	if ($REATTACH_ON_RELOAD) {
		3822	warn "reattaching attachments to objects/players";
		3823	_global_reattach; # objects, sockets
		3824	warn "reattaching attachments to maps";
		3825	reattach $_ for values %MAP;
		3826	warn "reattaching attachments to players";
		3827	reattach $_ for values %PLAYER;
		3828	}
		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
		3833	warn "leaving sync_job";
		3834
		3835	1
		3836	} or do {
		3837	warn $@;
		3838	cf::cleanup "error while reloading, exiting.";
		3839	};
		3840
2083	warn "reattach";	3841	warn "reloaded";
2084	_global_reattach;	3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
		3847	};
		3848
		3849	our $RELOAD_WATCHER; # used only during reload
		3850
		3851	sub reload_perl() {
		3852	# doing reload synchronously and two reloads happen back-to-back,
		3853	# coro crashes during coro_state_free->destroy here.
		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
		3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3859	do_reload_perl;
		3860	undef $RELOAD_WATCHER;
		3861	};
2085	};	3862	};
2086
2087	if ($@) {
2088	warn $@;
2089	warn "error while reloading, exiting.";
2090	exit 1;
2091	}
2092
2093	warn "reloaded successfully";
2094	};
2095
2096	#############################################################################
2097
2098	unless ($LINK_MAP) {
2099	$LINK_MAP = cf::map::new;
2100
2101	$LINK_MAP->width (41);
2102	$LINK_MAP->height (41);
2103	$LINK_MAP->alloc;
2104	$LINK_MAP->path ("{link}");
2105	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2106	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2107
2108	# dirty hack because... archetypes are not yet loaded
2109	Event->timer (
2110	after => 2,
2111	cb => sub {
2112	$_[0]->w->cancel;
2113
2114	# provide some exits "home"
2115	my $exit = cf::object::new "exit";
2116
2117	$exit->slaying ($EMERGENCY_POSITION->[0]);
2118	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2119	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2120
2121	$LINK_MAP->insert ($exit->clone, 19, 19);
2122	$LINK_MAP->insert ($exit->clone, 19, 20);
2123	$LINK_MAP->insert ($exit->clone, 19, 21);
2124	$LINK_MAP->insert ($exit->clone, 20, 19);
2125	$LINK_MAP->insert ($exit->clone, 20, 21);
2126	$LINK_MAP->insert ($exit->clone, 21, 19);
2127	$LINK_MAP->insert ($exit->clone, 21, 20);
2128	$LINK_MAP->insert ($exit->clone, 21, 21);
2129
2130	$exit->destroy;
2131	});
2132
2133	$LINK_MAP->{deny_save} = 1;
2134	$LINK_MAP->{deny_reset} = 1;
2135
2136	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2137	}	3863	}
2138
2139	register "<global>", __PACKAGE__;
2140		3864
2141	register_command "reload" => sub {	3865	register_command "reload" => sub {
2142	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
2143		3867
2144	if ($who->flag (FLAG_WIZ)) {	3868	if ($who->flag (FLAG_WIZ)) {
2145	$who->message ("start of reload.");
2146	reload;
2147	$who->message ("end of reload.");	3869	$who->message ("reloading server.");
		3870	async {
		3871	$Coro::current->{desc} = "perl_reload";
		3872	reload_perl;
		3873	};
2148	}	3874	}
2149	};	3875	};
2150		3876
2151	unshift @INC, $LIBDIR;	3877	unshift @INC, $LIBDIR;
2152		3878
2153	$TICK_WATCHER = Event->timer (	3879	my $bug_warning = 0;
2154	reentrant => 0,	3880
2155	prio => 0,	3881	our @WAIT_FOR_TICK;
2156	at => $NEXT_TICK || $TICK,	3882	our @WAIT_FOR_TICK_BEGIN;
2157	data => WF_AUTOCANCEL,	3883
2158	cb => sub {	3884	sub wait_for_tick {
2159	unless ($FREEZE) {	3885	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3886
		3887	my $signal = new Coro::Signal;
		3888	push @WAIT_FOR_TICK, $signal;
		3889	$signal->wait;
		3890	}
		3891
		3892	sub wait_for_tick_begin {
		3893	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3894
		3895	my $signal = new Coro::Signal;
		3896	push @WAIT_FOR_TICK_BEGIN, $signal;
		3897	$signal->wait;
		3898	}
		3899
		3900	sub tick {
		3901	if ($Coro::current != $Coro::main) {
		3902	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3903	unless ++$bug_warning > 10;
		3904	return;
		3905	}
		3906
2160	cf::server_tick; # one server iteration	3907	cf::server_tick; # one server iteration
2161	$RUNTIME += $TICK;
2162	}
2163		3908
2164	$NEXT_TICK += $TICK;	3909	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2165		3910	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2166	# if we are delayed by four ticks or more, skip them all	3911	Coro::async_pool {
2167	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3912	$Coro::current->{desc} = "runtime saver";
2168
2169	$TICK_WATCHER->at ($NEXT_TICK);
2170	$TICK_WATCHER->start;
2171	},
2172	);
2173
2174	IO::AIO::max_poll_time $TICK * 0.2;
2175
2176	Event->io (
2177	fd => IO::AIO::poll_fileno,
2178	poll => 'r',
2179	prio => 5,
2180	data => WF_AUTOCANCEL,
2181	cb => \&IO::AIO::poll_cb,
2182	);
2183
2184	Event->timer (
2185	data => WF_AUTOCANCEL,
2186	after => 0,
2187	interval => 10,
2188	cb => sub {
2189	(Coro::unblock_sub {
2190	write_runtime	3913	write_runtime_sync
2191	or warn "ERROR: unable to write runtime file: $!";	3914	or warn "ERROR: unable to write runtime file: $!";
2192	})->();	3915	};
2193	},	3916	}
2194	);	3917
		3918	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3919	$sig->send;
		3920	}
		3921	while (my $sig = shift @WAIT_FOR_TICK) {
		3922	$sig->send;
		3923	}
		3924
		3925	$LOAD = ($NOW - $TICK_START) / $TICK;
		3926	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3927
		3928	if (0) {
		3929	if ($NEXT_TICK) {
		3930	my $jitter = $TICK_START - $NEXT_TICK;
		3931	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3932	warn "jitter $JITTER\n";#d#
		3933	}
		3934	}
		3935	}
		3936
		3937	{
		3938	# configure BDB
		3939
		3940	BDB::min_parallel 8;
		3941	BDB::max_poll_reqs $TICK * 0.1;
		3942	$AnyEvent::BDB::WATCHER->priority (1);
		3943
		3944	unless ($DB_ENV) {
		3945	$DB_ENV = BDB::db_env_create;
		3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3951
		3952	cf::sync_job {
		3953	eval {
		3954	BDB::db_env_open
		3955	$DB_ENV,
		3956	$BDBDIR,
		3957	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3958	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3959	0666;
		3960
		3961	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3962	};
		3963
		3964	cf::cleanup "db_env_open(db): $@" if $@;
		3965	};
		3966	}
		3967
		3968	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3969	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3970	};
		3971	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3972	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3973	};
		3974	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3975	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3976	};
		3977	}
		3978
		3979	{
		3980	# configure IO::AIO
		3981
		3982	IO::AIO::min_parallel 8;
		3983	IO::AIO::max_poll_time $TICK * 0.1;
		3984	undef $AnyEvent::AIO::WATCHER;
		3985	}
		3986
		3987	my $_log_backtrace;
		3988
		3989	sub _log_backtrace {
		3990	my ($msg, @addr) = @_;
		3991
		3992	$msg =~ s/\n//;
		3993
		3994	# limit the # of concurrent backtraces
		3995	if ($_log_backtrace < 2) {
		3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
		3998	async {
		3999	$Coro::current->{desc} = "abt $msg";
		4000
		4001	my @bt = fork_call {
		4002	@addr = map { sprintf "%x", $_ } @addr;
		4003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4005	or die "addr2line: $!";
		4006
		4007	my @funcs;
		4008	my @res = <$fh>;
		4009	chomp for @res;
		4010	while (@res) {
		4011	my ($func, $line) = splice @res, 0, 2, ();
		4012	push @funcs, "[$func] $line";
		4013	}
		4014
		4015	@funcs
		4016	};
		4017
		4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4020	LOG llevInfo, "[ABT] $_\n" for @bt;
		4021	--$_log_backtrace;
		4022	};
		4023	} else {
		4024	LOG llevInfo, "[ABT] $msg\n";
		4025	LOG llevInfo, "[ABT] [suppressed]\n";
		4026	}
		4027	}
		4028
		4029	# load additional modules
		4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
		4032
		4033	END { cf::emergency_save }
2195		4034
2196	1	4035	1
2197		4036

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