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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.490 by root, Sat Oct 24 06:16:40 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
12		37
		38	use Guard ();
13	use Coro 3.3 ();	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
		55	use BDB ();
		56	use Data::Dumper;
20	use Digest::MD5;	57	use Digest::MD5;
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 $RANDOM_MAPS = cf::localdir . "/random";	133	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	134
		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 $REALLY_UNLOOP; # never set to true, please :)
56		147
57	binmode STDOUT;	148	binmode STDOUT;
58	binmode STDERR;	149	binmode STDERR;
59		150
60	# read virtual server time, if available	151	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
65	}	156	}
66		157
67	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		159
73	# a special map that is always available	160	mkdir $_
74	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
75	our $EMERGENCY_POSITION;	163	our $EMERGENCY_POSITION;
		164
		165	sub cf::map::normalise;
		166
		167	#############################################################################
		168
		169	%REFLECT = ();
		170	for (@REFLECT) {
		171	my $reflect = JSON::XS::decode_json $_;
		172	$REFLECT{$reflect->{class}} = $reflect;
		173	}
		174
		175	# this is decidedly evil
		176	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76		177
77	#############################################################################	178	#############################################################################
78		179
79	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
80		181
…		…
87	=item $cf::RUNTIME	188	=item $cf::RUNTIME
88		189
89	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
90	every server tick.	191	every server tick.
91		192
92	=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
93		196
94	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		201
97	=item $cf::NOW	202	=item $cf::NOW
98		203
99	The time of the last (current) server tick.	204	The time of the last (current) server tick.
100		205
101	=item $cf::TICK	206	=item $cf::TICK
102		207
103	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
104		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
105	=item %cf::CFG	220	=item %cf::CFG
106		221
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	223	from wherever your confdir points to.
109		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
110	=back	243	=back
111		244
112	=cut	245	=cut
113		246
114	BEGIN {	247	$Coro::State::WARNHOOK = sub {
115	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	248	my $msg = join "", @_;
117	utf8::encode $msg;
118		249
119	$msg .= "\n"	250	$msg .= "\n"
120	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
121		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
122	LOG llevError, "cfperl: $msg";	255	LOG llevError, $msg;
123	};	256	};
124	}	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	};
125		271
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		279
133	# 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
134	# within the Safe compartment.	281	# within the Safe compartment.
135	for my $pkg (qw(	282	for my $pkg (qw(
136	cf::global cf::attachable	283	cf::global cf::attachable
137	cf::object cf::object::player	284	cf::object cf::object::player
138	cf::client cf::player	285	cf::client cf::player
139	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
140	cf::map cf::party cf::region	288	cf::party cf::region
141	)) {	289	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	291	}
145		292
146	$Event::DIED = sub {	293	$EV::DIED = sub {
147	warn "error in event callback: @_";	294	warn "error in event callback: @_";
148	};	295	};
149		296
150	my %ext_pkg;	297	#############################################################################
151	my @exts;
152	my @hook;
153		298
154	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
155		300
156	=over 4	301	=over 4
157		302
158	=cut	303	=item dumpval $ref
159		304
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
161		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
162	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
163		327
164	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
165		329
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
174		331
175	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
176		333
177	=cut	334	=cut
178		335
179	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
181	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
182	}	353	}
183		354
184	=item cf::lock_wait $string	355	=item cf::lock_wait $string
185		356
186	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
187		358
188	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
189		360
190	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
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
193	returned.	364	returned.
194		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
195	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
197		371
198	=cut	372	=item $locked = cf::lock_active $string
199		373
200	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
201		379
202	sub lock_wait($) {	380	sub lock_wait($) {
203	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	382	}
211		383
212	sub lock_acquire($) {	384	sub lock_acquire($) {
213	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
214		387
215	# wait, to be sure we are not locked	388	sub lock_active($) {
216	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
		390	}
217		391
218	$LOCK{$key} = [];	392	sub freeze_mainloop {
		393	tick_inhibit_inc;
219		394
220	Coro::guard {	395	&Guard::guard (\&tick_inhibit_dec);
221	# wake up all waiters, to be on the safe side	396	}
222	$_->ready for @{ delete $LOCK{$key} };	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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
223	}	456	}
		457	};
		458
		459	sub get_slot($;$$) {
		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	$sig->wait;
224	}	471	}
225		472
226	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
227		474
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	475	Currently the same as Coro::async_pool, meaning you cannot use
229	error instead of exiting the server in case of a problem.	476	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		477	thing you are allowed to do is call C<prio> on it.
230		478
231	=cut	479	=cut
232		480
233	sub async(&) {	481	BEGIN { *async = \&Coro::async_pool }
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;
244
245	my $guard = Coro::guard { $TICK_WATCHER->start };
246	$TICK_WATCHER->stop;
247	$guard
248	}
249		482
250	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
251		484
252	The design of crossfire+ requires that the main coro ($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	my $freeze_guard = freeze_mainloop;	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 $coro = &cf::async ($cb);	550	my $coro = &Coro::async ($cb);
307		551
308	$coro->on_destroy (sub {	552	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	553	delete $EXT_CORO{$coro+0};
310	});	554	});
311	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
312		556
313	$coro	557	$coro
314	}	558	}
315		559
316	sub write_runtime {	560	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		561
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
320	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.
321		566
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		568
326	aio_fsync $fh	569	sub fork_call(&@) {
327	and return;	570	my ($cb, @args) = @_;
328		571
329	close $fh	572	# we seemingly have to make a local copy of the whole thing,
330	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
331		575
332	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
333	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
334		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
335	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 => $type });
336	}	747	}
337		748
338	=back	749	=back
339		750
340	=cut	751	=cut
341		752
342	#############################################################################	753	#############################################################################
343		754
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461
462	#############################################################################
463
464	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
465		756
466	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
467	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")
468	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
469		760
470	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>
471	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
472	crossfire+).	763	Deliantra).
473		764
474	=over 4	765	=over 4
475		766
476	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
477		768
…		…
521	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
522		813
523	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
524	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
525		816
526	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
527	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.
528		819
529	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
530		821
531	=over 4	822	=over 4
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	883	our @CB_MAP = ();
593		884
594	my %attachment;	885	my %attachment;
595		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
596	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
598		895
599	use sort 'stable';	896	use sort 'stable';
600		897
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
635		932
636	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		937
641	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	939	my $pkg = shift @arg;
643		940
644	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
674	}	971	}
675		972
676	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
677	} else {	974	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	976	}
680		977
681	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
682	}	979	}
683		980
…		…
685	if (ref $_[0]) {	982	if (ref $_[0]) {
686	_object_attach @_;	983	_object_attach @_;
687	} else {	984	} else {
688	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
689	}	986	}
		987	_recalc_want;
690	};	988	};
691		989
692	# all those should be optimised	990	# all those should be optimised
693	sub cf::attachable::detach {	991	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
698	reattach ($obj);	996	reattach ($obj);
699	} else {	997	} else {
700	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
701	}	999	}
		1000	_recalc_want;
702	};	1001	};
703		1002
704	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
706		1005
…		…
721	";	1020	";
722	die if $@;	1021	die if $@;
723	}	1022	}
724		1023
725	our $override;	1024	our $override;
726	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?
727		1026
728	sub override {	1027	sub override {
729	$override = 1;	1028	$override = 1;
730	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
731	}	1030	}
732		1031
733	sub do_invoke {	1032	sub do_invoke {
734	my $event = shift;	1033	my $event = shift;
735	my $callbacks = shift;	1034	my $callbacks = shift;
736		1035
737	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
738		1037
739	local $override;	1038	local $override;
740		1039
741	for (@$callbacks) {	1040	for (@$callbacks) {
742	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
751	}	1050	}
752		1051
753	0	1052	0
754	}	1053	}
755		1054
756	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
757		1056
758	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
759		1058
760	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
761		1060
762	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
763	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
764	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		1064
766	=back	1065	=back
767		1066
768	=cut	1067	=cut
769		1068
770	#############################################################################	1069	#############################################################################
771	# 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	}
772		1113
773	sub reattach {	1114	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
775	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
776		1120
777	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
778		1122
779	@$registry = ();	1123	@$registry = ();
780		1124
…		…
795	cf::attachable->attach (	1139	cf::attachable->attach (
796	prio => -1000000,	1140	prio => -1000000,
797	on_instantiate => sub {	1141	on_instantiate => sub {
798	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
799		1143
800	$data = from_json $data;	1144	$data = decode_json $data;
801		1145
802	for (@$data) {	1146	for (@$data) {
803	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
804		1148
805	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
821	sub object_freezer_save {	1165	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
823		1167
824	sync_job {	1168	sync_job {
825	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
826	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
828		1173
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
831	aio_write $fh, 0, (length $$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;
832	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
833	close $fh;	1181	aio_close $fh;
834		1182
835	if (@$objs) {	1183	if (@$objs) {
836	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) {
837	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
839	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;
840	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
841	close $fh;	1192	aio_close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
843	}	1194	}
844	} else {	1195	} else {
845	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
846	}	1197	}
847		1198
848	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
849	} else {	1203	} else {
850	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
851	}	1205	}
852	} else {	1206	} else {
853	aio_unlink $filename;	1207	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
855	}	1209	}
856	}	1210	};
857	}	1211	}
858		1212
859	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
861		1215
…		…
873	or return;	1227	or return;
874		1228
875	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
877	or return;	1231	or return;
		1232
878	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
879	}	1235	}
880		1236
		1237	utf8::decode (my $decname = $filename);
881	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
883	return ($data, $av);	1241	($data, $av)
884	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
885		1249
886	#############################################################################	1250	#############################################################################
887	# command handling &c	1251	# command handling &c
888		1252
889	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1267	}
904		1268
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1270
907	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.
908		1276
909	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
910	called.	1278	called.
911		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
912	=cut	1291	=cut
913		1292
914	sub register_extcmd {	1293	sub register_extcmd {
915	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
916		1295
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
921	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
922		1306
923	cf::player->attach (	1307	cf::player->attach (
924	on_command => sub {	1308	on_command => sub {
925	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
926		1310
…		…
934	cf::override;	1318	cf::override;
935	},	1319	},
936	on_extcmd => sub {	1320	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
938		1322
939	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1324
941	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
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
947	} else {	1340	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1342	}
950		1343
951	cf::override;	1344	cf::override;
952	},	1345	},
953	);	1346	);
954		1347
955	sub register {	1348	# "readahead" all extensions
956	my ($base, $pkg) = @_;	1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
957		1351
958	#TODO	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	}	1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
960		1357
		1358	$grp
		1359	}
		1360
961	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($) {
962	my ($path) = @_;	1716	my ($path) = @_;
963		1717
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1718	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1719
970	warn "loading '$path' into '$pkg'\n";	1720	for my $region (list) {
971		1721	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1722	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1723	if $region->specificity > $specificity;
974		1724	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1725	}
1004		1726
1005	# remove commands	1727	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1728	}
1111		1729
1112	=back	1730	=back
1113
1114		1731
1115	=head3 cf::map	1732	=head3 cf::map
1116		1733
1117	=over 4	1734	=over 4
1118		1735
…		…
1121	package cf::map;	1738	package cf::map;
1122		1739
1123	use Fcntl;	1740	use Fcntl;
1124	use Coro::AIO;	1741	use Coro::AIO;
1125		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1126	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1128		1749
1129	sub generate_random_map {	1750	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1131		1754
1132	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1756	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1146	}	1769	}
1147		1770
1148	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1149	# all maps in C++...
1150	sub change_all_map_light {
1151	my ($change) = @_;
1152		1772
1153	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1154	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1155	}	1775	default).
1156		1776
1157	sub try_load_header($) {	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 {
1158	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) = @_;
1159		1916
1160	utf8::encode $path;	1917	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1162	or return;	1919	or return;
1163		1920
1164	my $map = cf::map::new	1921	$self->_load_header ($f)
1165	or return;	1922	or return;
1166		1923
1167	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1169		1926
1170	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1171	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1172		1973
1173	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1174		1976
1175	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1176	}	1981	}
1177		1982
1178	sub find;	1983	sub find;
1179	sub find {	1984	sub find {
1180	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1181		1986
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1988
1187	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1191		1991
1192	# do it the slow way	1992	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1994	or return;
1211		1995
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1224		1997
1225	Coro::cede;	1998	$map->load_header
		1999	or return;
1226		2000
1227	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1228	$map->reset;	2006	$map->reset;
1229	undef $guard;
1230	$map = find $path	2007	return find $path;
1231	or return;
1232	}	2008	}
1233		2009
1234	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1235	}	2011	}
1236	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1237		2016
1238	sub load {	2017	sub load {
1239	my ($self) = @_;	2018	my ($self) = @_;
1240		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1241	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1243		2026
		2027	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1245		2029
1246	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1247		2031
1248	$self->alloc;	2032	$self->alloc;
1249	$self->load_objects ($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)
1250	or return;	2040	or return;
1251		2041
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1253	if delete $self->{load_original};	2043	if delete $self->{load_original};
1254		2044
1255	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	2046	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	2049	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1260	}	2053	}
1261	}	2054	}
1262		2055
1263	Coro::cede;	2056	$f->resolve_delayed_derefs;
1264		2057
		2058	cf::cede_to_tick;
1265	# now do the right thing for maps	2059	# now do the right thing for maps
1266	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1277	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;
1278	$self->activate;	2070	$self->activate;
1279	}	2071	}
1280		2072
1281	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1282		2075
1283	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($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	$neigh->load;
		2117	}
1284	}	2118	}
1285		2119
1286	sub find_sync {	2120	sub find_sync {
1287	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1288		2122
1289	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1290	}	2124	}
1291		2125
1292	sub do_load_sync {	2126	sub do_load_sync {
1293	my ($map) = @_;	2127	my ($map) = @_;
1294		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1295	cf::sync_job { $map->load };	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;
		2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1296	}	2166	}
1297		2167
1298	sub save {	2168	sub save {
1299	my ($self) = @_;	2169	my ($self) = @_;
1300		2170
		2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2172
1301	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1302		2174
1303	return unless $self->dirty;	2175	return unless $self->dirty;
1304		2176
1305	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		2179
1308	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1309		2181
1310	return if $self->{deny_save};	2182	return if $self->{deny_save};
1311		2183
1312	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1313		2185
		2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
		2188	$_->contr->save for $self->players;
		2189	};
		2190
		2191	cf::get_slot 0.02;
		2192
1314	if ($uniq) {	2193	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	2196	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	2198	}
1320	}	2199	}
1321		2200
1322	sub swap_out {	2201	sub swap_out {
1323	my ($self) = @_;	2202	my ($self) = @_;
1324		2203
1325	# save first because save cedes	2204	# save first because save cedes
1326	$self->save;	2205	$self->save;
1327		2206
		2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2208
1328	return if $self->players;	2209	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1330	return if $self->{deny_save};	2211	return if $self->{deny_save};
1331		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1332	$self->clear;	2217	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2218	}
1335		2219
1336	sub reset_at {	2220	sub reset_at {
1337	my ($self) = @_;	2221	my ($self) = @_;
1338		2222
1339	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1342		2225
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2228
…		…
1350	my ($self) = @_;	2233	my ($self) = @_;
1351		2234
1352	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1353	}	2236	}
1354		2237
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2238	sub reset {
1377	my ($self) = @_;	2239	my ($self) = @_;
1378		2240
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1379	return if $self->players;	2243	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2244
1382	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	}
1383		2256
1384	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1385		2258
		2259	$self->deactivate;
1386	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1387		2262
1388	$self->unlink_save;	2263	$self->unlink_save;
1389	$self->destroy;	2264	$self->destroy;
1390	}	2265	}
1391		2266
1392	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1393		2268
1394	sub nuke {	2269	sub nuke {
1395	my ($self) = @_;	2270	my ($self) = @_;
1396		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};
1397	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1400	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1401	}	2289	}
1402		2290
1403	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2292
1406	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1408	}	2299	[
1409		2300	map {
1410	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1411	}	2307	}
1412		2308
1413	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1414	my $freeze_guard = cf::freeze_mainloop;
1415		2310
1416	warn "enter emergency map save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1417		2313
1418	cf::sync_job {	2314	=cut
1419	warn "begin emergency map save\n";	2315
1420	$_->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>). May block.
		2350
		2351	=cut
		2352
		2353	sub static_maps() {
		2354	my @dirs = "";
		2355	my @maps;
		2356
		2357	while (@dirs) {
		2358	my $dir = shift @dirs;
		2359
		2360	next if $dir eq "/styles";
		2361
		2362	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2363	or return;
		2364
		2365	for (@$files) {
		2366	s/\.map$// or next;
		2367	utf8::decode $_;
		2368	push @maps, "$dir/$_";
		2369	}
		2370
		2371	push @dirs, map "$dir/$_", @$dirs;
1421	};	2372	}
1422		2373
1423	warn "end emergency map save\n";	2374	\@maps
		2375	}
		2376
		2377	=back
		2378
		2379	=head3 cf::object
		2380
		2381	=cut
		2382
		2383	package cf::object;
		2384
		2385	=over 4
		2386
		2387	=item $ob->inv_recursive
		2388
		2389	Returns the inventory of the object I<and> their inventories, recursively,
		2390	but I<not> the object itself.
		2391
		2392	=cut
		2393
		2394	sub inv_recursive_;
		2395	sub inv_recursive_ {
		2396	map { $_, inv_recursive_ $_->inv } @_
		2397	}
		2398
		2399	sub inv_recursive {
		2400	inv_recursive_ inv $_[0]
		2401	}
		2402
		2403	=item $ref = $ob->ref
		2404
		2405	Creates and returns a persistent reference to an object that can be stored as a string.
		2406
		2407	=item $ob = cf::object::deref ($refstring)
		2408
		2409	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2410	even if the object actually exists. May block.
		2411
		2412	=cut
		2413
		2414	sub deref {
		2415	my ($ref) = @_;
		2416
		2417	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2418	my ($uuid, $name) = ($1, $2);
		2419	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2420	or return;
		2421	$pl->ob->uuid eq $uuid
		2422	or return;
		2423
		2424	$pl->ob
		2425	} else {
		2426	warn "$ref: cannot resolve object reference\n";
		2427	undef
		2428	}
1424	}	2429	}
1425		2430
1426	package cf;	2431	package cf;
1427		2432
1428	=back	2433	=back
1429
1430		2434
1431	=head3 cf::object::player	2435	=head3 cf::object::player
1432		2436
1433	=over 4	2437	=over 4
1434		2438
…		…
1437	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2441	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1438	can be C<undef>. Does the right thing when the player is currently in a	2442	can be C<undef>. Does the right thing when the player is currently in a
1439	dialogue with the given NPC character.	2443	dialogue with the given NPC character.
1440		2444
1441	=cut	2445	=cut
		2446
		2447	our $SAY_CHANNEL = {
		2448	id => "say",
		2449	title => "Map",
		2450	reply => "say ",
		2451	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2452	};
		2453
		2454	our $CHAT_CHANNEL = {
		2455	id => "chat",
		2456	title => "Chat",
		2457	reply => "chat ",
		2458	tooltip => "Player chat and shouts, global to the server.",
		2459	};
1442		2460
1443	# rough implementation of a future "reply" method that works	2461	# rough implementation of a future "reply" method that works
1444	# with dialog boxes.	2462	# with dialog boxes.
1445	#TODO: the first argument must go, split into a $npc->reply_to ( method	2463	#TODO: the first argument must go, split into a $npc->reply_to ( method
1446	sub cf::object::player::reply($$$;$) {	2464	sub cf::object::player::reply($$$;$) {
…		…
1448		2466
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2467	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2468
1451	if ($self->{record_replies}) {	2469	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2470	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2471
1453	} else {	2472	} else {
		2473	my $pl = $self->contr;
		2474
		2475	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2476	my $dialog = $pl->{npc_dialog};
		2477	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2478
		2479	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2480	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2481	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2482	}
1456	}	2483	}
		2484	}
		2485
		2486	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2487
		2488	=cut
		2489
		2490	sub cf::object::send_msg {
		2491	my $pl = shift->contr
		2492	or return;
		2493	$pl->send_msg (@_);
1457	}	2494	}
1458		2495
1459	=item $player_object->may ("access")	2496	=item $player_object->may ("access")
1460		2497
1461	Returns wether the given player is authorized to access resource "access"	2498	Returns wether the given player is authorized to access resource "access"
…		…
1474		2511
1475	=item $player_object->enter_link	2512	=item $player_object->enter_link
1476		2513
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2514	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2515
1479	The player should be reaosnably safe there for short amounts of time. You	2516	The player should be reasonably safe there for short amounts of time (e.g.
1480	I<MUST> call C<leave_link> as soon as possible, though.	2517	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2518	though, as the palyer cannot control the character while it is on the link
		2519	map.
		2520
		2521	Will never block.
1481		2522
1482	=item $player_object->leave_link ($map, $x, $y)	2523	=item $player_object->leave_link ($map, $x, $y)
1483		2524
1484	Moves the player out of the specila link map onto the given map. If the	2525	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2526	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2527	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2528	fails, to the emergency map position.
1488		2529
1489	Might block.	2530	Might block.
1490		2531
1491	=cut	2532	=cut
		2533
		2534	sub link_map {
		2535	unless ($LINK_MAP) {
		2536	$LINK_MAP = cf::map::find "{link}"
		2537	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2538	$LINK_MAP->load;
		2539	}
		2540
		2541	$LINK_MAP
		2542	}
1492		2543
1493	sub cf::object::player::enter_link {	2544	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2545	my ($self) = @_;
1495		2546
1496	$self->deactivate_recursive;	2547	$self->deactivate_recursive;
1497		2548
1498	return if $self->map == $LINK_MAP;	2549	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2550
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2551	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2552	if $self->map && $self->map->{path} ne "{link}";
1502		2553
1503	$self->enter_map ($LINK_MAP, 20, 20);	2554	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2555	}
1505		2556
1506	sub cf::object::player::leave_link {	2557	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2558	my ($self, $map, $x, $y) = @_;
		2559
		2560	return unless $self->contr->active;
1508		2561
1509	my $link_pos = delete $self->{_link_pos};	2562	my $link_pos = delete $self->{_link_pos};
1510		2563
1511	unless ($map) {	2564	unless ($map) {
1512	# restore original map position	2565	# restore original map position
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2579	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2580	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2581	if $x <=0 && $y <= 0;
1529		2582
1530	$map->load;	2583	$map->load;
		2584	$map->load_neighbours;
1531		2585
		2586	return unless $self->contr->active;
		2587
		2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2589	$self->enter_map ($map, $x, $y);
		2590
		2591	# only activate afterwards, to support waiting in hooks
1532	$self->activate_recursive;	2592	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);
1534	}	2593	}
1535		2594
1536	cf::player->attach (	2595	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2596
1540	# abort map switching before logout	2597	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2598	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2599	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2600	the new (success) or old (failed) map position. In either case, $done will
1544	};	2601	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2602
1550	# try to abort aborted map switching on player login :)	2603	Note that $check will be called with a potentially non-loaded map, so if
1551	# should happen only on crashes	2604	it needs a loaded map it has to call C<< ->load >>.
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563		2605
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2606	=cut
1567		2607
		2608	our $GOTOGEN;
		2609
1568	sub cf::object::player::goto_map {	2610	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2611	my ($self, $path, $x, $y, $check, $done) = @_;
		2612
		2613	# do generation counting so two concurrent goto's will be executed in-order
		2614	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2615
1571	$self->enter_link;	2616	$self->enter_link;
1572		2617
1573	(cf::async {	2618	(async {
1574	$path = new cf::path $path;	2619	$Coro::current->{desc} = "player::goto $path $x $y";
1575		2620
1576	my $map = cf::map::find $path->as_string;	2621	# *tag paths override both path and x|y
		2622	if ($path =~ /^\*(.*)$/) {
		2623	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2624	my $ob = $obs[rand @obs];
		2625
		2626	# see if we actually can go there
		2627	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2628	$ob = $obs[rand @obs];
		2629	} else {
		2630	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2631	}
		2632	# else put us there anyways for now #d#
		2633
		2634	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2635	} else {
		2636	($path, $x, $y) = (undef, undef, undef);
		2637	}
		2638	}
		2639
		2640	my $map = eval {
		2641	my $map = defined $path ? cf::map::find $path : undef;
		2642
		2643	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2644	$map = $map->customise_for ($self);
1578		2645	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2646	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2647	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
1583		2649
		2650	$map
		2651	};
		2652
		2653	if ($@) {
		2654	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2655	LOG llevError | logBacktrace, Carp::longmess $@;
		2656	}
		2657
		2658	if ($gen == $self->{_goto_generation}) {
		2659	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2660	$self->leave_link ($map, $x, $y);
		2661	}
		2662
		2663	$done->() if $done;
1585	})->prio (1);	2664	})->prio (1);
1586	}	2665	}
1587		2666
1588	=item $player_object->enter_exit ($exit_object)	2667	=item $player_object->enter_exit ($exit_object)
1589		2668
…		…
1591		2670
1592	sub parse_random_map_params {	2671	sub parse_random_map_params {
1593	my ($spec) = @_;	2672	my ($spec) = @_;
1594		2673
1595	my $rmp = { # defaults	2674	my $rmp = { # defaults
1596	xsize => 10,	2675	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2676	ysize => (cf::rndm 15, 40),
		2677	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2678	#layout => string,
1598	};	2679	};
1599		2680
1600	for (split /\n/, $spec) {	2681	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2682	my ($k, $v) = split /\s+/, $_, 2;
1602		2683
…		…
1614	# that depends on the exit object	2695	# that depends on the exit object
1615		2696
1616	my $rmp = parse_random_map_params $exit->msg;	2697	my $rmp = parse_random_map_params $exit->msg;
1617		2698
1618	if ($exit->map) {	2699	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2700	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2701	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2702	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2703	$rmp->{origin_y} = $exit->y;
		2704
		2705	$exit->map->touch;
1623	}	2706	}
1624		2707
1625	$rmp->{random_seed} ||= $exit->random_seed;	2708	$rmp->{random_seed} ||= $exit->random_seed;
1626		2709
1627	my $data = cf::to_json $rmp;	2710	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1628	my $md5 = Digest::MD5::md5_hex $data;	2711	my $md5 = Digest::MD5::md5_hex $data;
		2712	my $meta = "$RANDOMDIR/$md5.meta";
1629		2713
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2714	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2715	aio_write $fh, 0, (length $data), $data, 0;
		2716	undef $fh;
		2717	aio_rename "$meta~", $meta;
1632		2718
		2719	my $slaying = "?random/$md5";
		2720
		2721	if ($exit->valid) {
1633	$exit->slaying ("?random/$md5");	2722	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2723	$exit->msg (undef);
		2724	}
1635	}	2725	}
1636	}	2726	}
1637		2727
1638	sub cf::object::player::enter_exit {	2728	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2729	my ($self, $exit) = @_;
1640		2730
1641	return unless $self->type == cf::PLAYER;	2731	return unless $self->type == cf::PLAYER;
1642		2732
1643	$self->enter_link;	2733	$self->enter_link;
1644		2734
1645	(cf::async {	2735	(async {
1646	$self->deactivate_recursive; # just to be sure	2736	$Coro::current->{desc} = "enter_exit";
		2737
1647	unless (eval {	2738	unless (eval {
		2739	$self->deactivate_recursive; # just to be sure
		2740
		2741	# random map handling
		2742	{
		2743	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2744
1648	prepare_random_map $exit	2745	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	2746	if $exit->slaying eq "/!";
		2747	}
1650		2748
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2749	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2750	my $x = $exit->stats->hp;
		2751	my $y = $exit->stats->sp;
1653		2752
		2753	$self->goto ($map, $x, $y);
		2754
		2755	# if exit is damned, update players death & WoR home-position
		2756	$self->contr->savebed ($map, $x, $y)
		2757	if $exit->flag (cf::FLAG_DAMNED);
		2758
1654	1;	2759	1
1655	}) {	2760	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2761	$self->message ("Something went wrong deep within the deliantra server. "
1657	. "I'll try to bring you back to the map you were before. "	2762	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2763	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2764	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2765
1661	warn "ERROR in enter_exit: $@";	2766	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2767	$self->leave_link;
1663	}	2768	}
1664	})->prio (1);	2769	})->prio (1);
…		…
1677		2782
1678	sub cf::client::send_drawinfo {	2783	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2784	my ($self, $text, $flags) = @_;
1680		2785
1681	utf8::encode $text;	2786	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2787	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2788	}
1684		2789
		2790	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2791
		2792	Send a drawinfo or msg packet to the client, formatting the msg for the
		2793	client if neccessary. C<$type> should be a string identifying the type of
		2794	the message, with C<log> being the default. If C<$color> is negative, suppress
		2795	the message unless the client supports the msg packet.
		2796
		2797	=cut
		2798
		2799	# non-persistent channels (usually the info channel)
		2800	our %CHANNEL = (
		2801	"c/motd" => {
		2802	id => "infobox",
		2803	title => "MOTD",
		2804	reply => undef,
		2805	tooltip => "The message of the day",
		2806	},
		2807	"c/identify" => {
		2808	id => "infobox",
		2809	title => "Identify",
		2810	reply => undef,
		2811	tooltip => "Items recently identified",
		2812	},
		2813	"c/examine" => {
		2814	id => "infobox",
		2815	title => "Examine",
		2816	reply => undef,
		2817	tooltip => "Signs and other items you examined",
		2818	},
		2819	"c/shopinfo" => {
		2820	id => "infobox",
		2821	title => "Shop Info",
		2822	reply => undef,
		2823	tooltip => "What your bargaining skill tells you about the shop",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/statistics" => {
		2850	id => "infobox",
		2851	title => "Statistics",
		2852	reply => undef,
		2853	tooltip => "Shows your primary statistics",
		2854	},
		2855	"c/skills" => {
		2856	id => "infobox",
		2857	title => "Skills",
		2858	reply => undef,
		2859	tooltip => "Shows your experience per skill and item power",
		2860	},
		2861	"c/shopitems" => {
		2862	id => "infobox",
		2863	title => "Shop Items",
		2864	reply => undef,
		2865	tooltip => "Shows the items currently for sale in this shop",
		2866	},
		2867	"c/resistances" => {
		2868	id => "infobox",
		2869	title => "Resistances",
		2870	reply => undef,
		2871	tooltip => "Shows your resistances",
		2872	},
		2873	"c/pets" => {
		2874	id => "infobox",
		2875	title => "Pets",
		2876	reply => undef,
		2877	tooltip => "Shows information abotu your pets/a specific pet",
		2878	},
		2879	"c/perceiveself" => {
		2880	id => "infobox",
		2881	title => "Perceive Self",
		2882	reply => undef,
		2883	tooltip => "You gained detailed knowledge about yourself",
		2884	},
		2885	"c/uptime" => {
		2886	id => "infobox",
		2887	title => "Uptime",
		2888	reply => undef,
		2889	tooltip => "How long the server has been running since last restart",
		2890	},
		2891	"c/mapinfo" => {
		2892	id => "infobox",
		2893	title => "Map Info",
		2894	reply => undef,
		2895	tooltip => "Information related to the maps",
		2896	},
		2897	"c/party" => {
		2898	id => "party",
		2899	title => "Party",
		2900	reply => "gsay ",
		2901	tooltip => "Messages and chat related to your party",
		2902	},
		2903	"c/death" => {
		2904	id => "death",
		2905	title => "Death",
		2906	reply => undef,
		2907	tooltip => "Reason for and more info about your most recent death",
		2908	},
		2909	"c/say" => $SAY_CHANNEL,
		2910	"c/chat" => $CHAT_CHANNEL,
		2911	);
		2912
		2913	sub cf::client::send_msg {
		2914	my ($self, $channel, $msg, $color, @extra) = @_;
		2915
		2916	$msg = $self->pl->expand_cfpod ($msg)
		2917	unless $color & cf::NDI_VERBATIM;
		2918
		2919	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2920
		2921	# check predefined channels, for the benefit of C
		2922	if ($CHANNEL{$channel}) {
		2923	$channel = $CHANNEL{$channel};
		2924
		2925	$self->ext_msg (channel_info => $channel);
		2926	$channel = $channel->{id};
		2927
		2928	} elsif (ref $channel) {
		2929	# send meta info to client, if not yet sent
		2930	unless (exists $self->{channel}{$channel->{id}}) {
		2931	$self->{channel}{$channel->{id}} = $channel;
		2932	$self->ext_msg (channel_info => $channel);
		2933	}
		2934
		2935	$channel = $channel->{id};
		2936	}
		2937
		2938	return unless @extra || length $msg;
		2939
		2940	# default colour, mask it out
		2941	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2942	if $color & cf::NDI_DEF;
		2943
		2944	my $pkt = "msg "
		2945	. $self->{json_coder}->encode (
		2946	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2947	);
		2948
		2949	# try lzf for large packets
		2950	$pkt = "lzf " . Compress::LZF::compress $pkt
		2951	if 1024 <= length $pkt and $self->{can_lzf};
		2952
		2953	# split very large packets
		2954	if (8192 < length $pkt and $self->{can_lzf}) {
		2955	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2956	$pkt = "frag";
		2957	}
		2958
		2959	$self->send_packet ($pkt);
		2960	}
		2961
		2962	=item $client->ext_msg ($type, @msg)
		2963
		2964	Sends an ext event to the client.
		2965
		2966	=cut
		2967
		2968	sub cf::client::ext_msg($$@) {
		2969	my ($self, $type, @msg) = @_;
		2970
		2971	if ($self->extcmd == 2) {
		2972	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2973	} elsif ($self->extcmd == 1) { # TODO: remove
		2974	push @msg, msgtype => "event_$type";
		2975	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2976	}
		2977	}
		2978
		2979	=item $client->ext_reply ($msgid, @msg)
		2980
		2981	Sends an ext reply to the client.
		2982
		2983	=cut
		2984
		2985	sub cf::client::ext_reply($$@) {
		2986	my ($self, $id, @msg) = @_;
		2987
		2988	if ($self->extcmd == 2) {
		2989	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2990	} elsif ($self->extcmd == 1) {
		2991	#TODO: version 1, remove
		2992	unshift @msg, msgtype => "reply", msgid => $id;
		2993	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2994	}
		2995	}
1685		2996
1686	=item $success = $client->query ($flags, "text", \&cb)	2997	=item $success = $client->query ($flags, "text", \&cb)
1687		2998
1688	Queues a query to the client, calling the given callback with	2999	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3000	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3001	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		3002
1692	Queries can fail, so check the return code. Or don't, as queries will become	3003	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	3004	become reliable at some point in the future.
1694		3005
1695	=cut	3006	=cut
1696		3007
1697	sub cf::client::query {	3008	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	3009	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	3017	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3018	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		3019
1709	$self->send_packet ($self->{query_queue}[0][0])	3020	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	3021	if @{ $self->{query_queue} } == 1;
		3022
		3023	1
1711	}	3024	}
1712		3025
1713	cf::client->attach (	3026	cf::client->attach (
		3027	on_connect => sub {
		3028	my ($ns) = @_;
		3029
		3030	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3031	},
1714	on_reply => sub {	3032	on_reply => sub {
1715	my ($ns, $msg) = @_;	3033	my ($ns, $msg) = @_;
1716		3034
1717	# this weird shuffling is so that direct followup queries	3035	# this weird shuffling is so that direct followup queries
1718	# get handled first	3036	# get handled first
1719	my $queue = delete $ns->{query_queue}	3037	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	3038	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		3039
1722	(shift @$queue)->[1]->($msg);	3040	(shift @$queue)->[1]->($msg);
		3041	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		3042
1724	push @{ $ns->{query_queue} }, @$queue;	3043	push @{ $ns->{query_queue} }, @$queue;
1725		3044
1726	if (@{ $ns->{query_queue} } == @$queue) {	3045	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	3046	if (@$queue) {
…		…
1729	} else {	3048	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	3050	}
1732	}	3051	}
1733	},	3052	},
		3053	on_exticmd => sub {
		3054	my ($ns, $buf) = @_;
		3055
		3056	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3057
		3058	if (ref $msg) {
		3059	my ($type, $reply, @payload) =
		3060	"ARRAY" eq ref $msg
		3061	? @$msg
		3062	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3063
		3064	my @reply;
		3065
		3066	if (my $cb = $EXTICMD{$type}) {
		3067	@reply = $cb->($ns, @payload);
		3068	}
		3069
		3070	$ns->ext_reply ($reply, @reply)
		3071	if $reply;
		3072
		3073	} else {
		3074	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3075	}
		3076
		3077	cf::override;
		3078	},
1734	);	3079	);
1735		3080
1736	=item $client->coro (\&cb)	3081	=item $client->async (\&cb)
1737		3082
1738	Create a new coroutine, running the specified callback. The coroutine will	3083	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	3084	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	3085	or loss of connection).
1741		3086
1742	=cut	3087	=cut
1743		3088
1744	sub cf::client::coro {	3089	sub cf::client::async {
1745	my ($self, $cb) = @_;	3090	my ($self, $cb) = @_;
1746		3091
1747	my $coro = &cf::async ($cb);	3092	my $coro = &Coro::async ($cb);
1748		3093
1749	$coro->on_destroy (sub {	3094	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	3095	delete $self->{_coro}{$coro+0};
1751	});	3096	});
1752		3097
…		…
1779	our $safe = new Safe "safe";	3124	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	3125	our $safe_hole = new Safe::Hole;
1781		3126
1782	$SIG{FPE} = 'IGNORE';	3127	$SIG{FPE} = 'IGNORE';
1783		3128
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3129	$safe->permit_only (Opcode::opset qw(
		3130	:base_core :base_mem :base_orig :base_math
		3131	grepstart grepwhile mapstart mapwhile
		3132	sort time
		3133	));
1785		3134
1786	# here we export the classes and methods available to script code	3135	# here we export the classes and methods available to script code
1787		3136
1788	=pod	3137	=pod
1789		3138
1790	The following fucntions and emthods are available within a safe environment:	3139	The following functions and methods are available within a safe environment:
1791		3140
1792	cf::object contr pay_amount pay_player map	3141	cf::object
		3142	contr pay_amount pay_player map x y force_find force_add destroy
		3143	insert remove name archname title slaying race decrease split
		3144	value
		3145
1793	cf::object::player player	3146	cf::object::player
1794	cf::player peaceful	3147	player
1795	cf::map trigger	3148
		3149	cf::player
		3150	peaceful
		3151
		3152	cf::map
		3153	trigger
1796		3154
1797	=cut	3155	=cut
1798		3156
1799	for (	3157	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	3158	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3159	insert remove inv nrof name archname title slaying race
		3160	decrease split destroy change_exp value msg lore send_msg)],
1801	["cf::object::player" => qw(player)],	3161	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	3162	["cf::player" => qw(peaceful send_msg)],
1803	["cf::map" => qw(trigger)],	3163	["cf::map" => qw(trigger)],
1804	) {	3164	) {
1805	no strict 'refs';	3165	no strict 'refs';
1806	my ($pkg, @funs) = @$_;	3166	my ($pkg, @funs) = @$_;
1807	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3167	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1824	my ($code, %vars) = @_;	3184	my ($code, %vars) = @_;
1825		3185
1826	my $qcode = $code;	3186	my $qcode = $code;
1827	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3187	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1828	$qcode =~ s/\n/\\n/g;	3188	$qcode =~ s/\n/\\n/g;
		3189
		3190	%vars = (_dummy => 0) unless %vars;
1829		3191
1830	local $_;	3192	local $_;
1831	local @safe::cf::_safe_eval_args = values %vars;	3193	local @safe::cf::_safe_eval_args = values %vars;
1832		3194
1833	my $eval =	3195	my $eval =
…		…
1876	=back	3238	=back
1877		3239
1878	=cut	3240	=cut
1879		3241
1880	#############################################################################	3242	#############################################################################
		3243	# the server's init and main functions
1881		3244
1882	=head2 EXTENSION DATABASE SUPPORT	3245	sub load_facedata($) {
		3246	my ($path) = @_;
1883		3247
1884	Crossfire maintains a very simple database for extension use. It can	3248	# HACK to clear player env face cache, we need some signal framework
1885	currently store anything that can be serialised using Storable, which	3249	# for this (global event?)
1886	excludes objects.	3250	%ext::player_env::MUSIC_FACE_CACHE = ();
1887		3251
1888	The parameter C<$family> should best start with the name of the extension	3252	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1889	using it, it should be unique.
1890		3253
1891	=over 4	3254	warn "loading facedata from $path\n";
1892		3255
1893	=item $hashref = cf::db_get $family	3256	my $facedata;
		3257	0 < aio_load $path, $facedata
		3258	or die "$path: $!";
1894		3259
1895	Return a hashref for use by the extension C<$family>, which can be	3260	$facedata = Coro::Storable::thaw $facedata;
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898		3261
1899	=item $value = cf::db_get $family => $key	3262	$facedata->{version} == 2
		3263	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		3264
1901	Returns a single value from the database	3265	# patch in the exptable
1902		3266	$facedata->{resource}{"res/exp_table"} = {
1903	=item cf::db_put $family => $hashref	3267	type => FT_RSRC,
1904		3268	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	3269	};
		3270	cf::cede_to_tick;
1954		3271
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	3272	{
		3273	my $faces = $facedata->{faceinfo};
1959		3274
1960	sub db_get($;$) {	3275	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	3276	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		3277
1966	sub db_put($$;$) {	3278	cf::face::set_visibility $idx, $info->{visibility};
1967	if (@_ >= 3) {	3279	cf::face::set_magicmap $idx, $info->{magicmap};
1968	$DB->{$_[0]}{$_[1]} = $_[2];	3280	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
1969	} else {	3281	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974		3282
1975	cf::global->attach (	3283	cf::cede_to_tick;
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	3284	}
1980	);
1981	}
1982		3285
1983	#############################################################################	3286	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	3287	next unless $info->{smooth};
1985		3288
1986	sub cfg_load {	3289	my $idx = cf::face::find $face
		3290	or next;
		3291
		3292	if (my $smooth = cf::face::find $info->{smooth}) {
		3293	cf::face::set_smooth $idx, $smooth;
		3294	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3295	} else {
		3296	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3297	}
		3298
		3299	cf::cede_to_tick;
		3300	}
		3301	}
		3302
		3303	{
		3304	my $anims = $facedata->{animinfo};
		3305
		3306	while (my ($anim, $info) = each %$anims) {
		3307	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3308	cf::cede_to_tick;
		3309	}
		3310
		3311	cf::anim::invalidate_all; # d'oh
		3312	}
		3313
		3314	{
		3315	# TODO: for gcfclient pleasure, we should give resources
		3316	# that gcfclient doesn't grok a >10000 face index.
		3317	my $res = $facedata->{resource};
		3318
		3319	while (my ($name, $info) = each %$res) {
		3320	if (defined $info->{type}) {
		3321	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3322	my $data;
		3323
		3324	if ($info->{type} & 1) {
		3325	# prepend meta info
		3326
		3327	my $meta = $enc->encode ({
		3328	name => $name,
		3329	%{ $info->{meta} || {} },
		3330	});
		3331
		3332	$data = pack "(w/a*)*", $meta, $info->{data};
		3333	} else {
		3334	$data = $info->{data};
		3335	}
		3336
		3337	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		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
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3433	open my $fh, "<:utf8", "$CONFDIR/config"
1988	or return;	3434	or return;
1989		3435
1990	local $/;	3436	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	3437	*CFG = YAML::XS::Load scalar <$fh>;
1992		3438
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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};
1994		3443
1995	if (exists $CFG{mlockall}) {	3444	if (exists $CFG{mlockall}) {
1996	eval {	3445	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3446	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3447	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3448	};
2000	warn $@ if $@;	3449	warn $@ if $@;
2001	}	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;
2002	}	3481	}
2003		3482
2004	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
2005	# we must not ever block the main coroutine	3498	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3499	local $Coro::idle = sub {
2007	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#
2008	(Coro::unblock_sub {	3501	(async {
2009	Event::one_event;	3502	$Coro::current->{desc} = "IDLE BUG HANDLER";
2010	})->();	3503	EV::loop EV::LOOP_ONESHOT;
		3504	})->prio (Coro::PRIO_MAX);
2011	};	3505	};
2012		3506
2013	cfg_load;	3507	evthread_start IO::AIO::poll_fileno;
2014	db_load;	3508
		3509	cf::sync_job {
		3510	reload_resources;
		3511	reload_config;
		3512	db_init;
		3513
		3514	cf::load_settings;
		3515	cf::load_materials;
		3516	cf::init_uuid;
		3517	cf::init_signals;
		3518	cf::init_commands;
		3519	cf::init_skills;
		3520
		3521	cf::init_beforeplay;
		3522
		3523	atomic;
		3524
2015	load_extensions;	3525	load_extensions;
2016	Event::loop;	3526
		3527	utime time, time, $RUNTIMEFILE;
		3528
		3529	# no (long-running) fork's whatsoever before this point(!)
		3530	use POSIX ();
		3531	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3532
		3533	(pop @POST_INIT)->(0) while @POST_INIT;
		3534	};
		3535
		3536	main_loop;
2017	}	3537	}
2018		3538
2019	#############################################################################	3539	#############################################################################
2020	# initialisation	3540	# initialisation and cleanup
2021		3541
		3542	# install some emergency cleanup handlers
		3543	BEGIN {
		3544	our %SIGWATCHER = ();
		3545	for my $signal (qw(INT HUP TERM)) {
		3546	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3547	cf::cleanup "SIG$signal";
		3548	};
		3549	}
		3550	}
		3551
		3552	sub write_runtime_sync {
		3553	# first touch the runtime file to show we are still running:
		3554	# the fsync below can take a very very long time.
		3555
		3556	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3557
		3558	my $guard = cf::lock_acquire "write_runtime";
		3559
		3560	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3561	or return;
		3562
		3563	my $value = $cf::RUNTIME + 90 + 10;
		3564	# 10 is the runtime save interval, for a monotonic clock
		3565	# 60 allows for the watchdog to kill the server.
		3566
		3567	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3568	and return;
		3569
		3570	# always fsync - this file is important
		3571	aio_fsync $fh
		3572	and return;
		3573
		3574	# touch it again to show we are up-to-date
		3575	aio_utime $fh, undef, undef;
		3576
		3577	close $fh
		3578	or return;
		3579
		3580	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3581	and return;
		3582
		3583	warn "runtime file written.\n";
		3584
		3585	1
		3586	}
		3587
		3588	our $uuid_lock;
		3589	our $uuid_skip;
		3590
		3591	sub write_uuid_sync($) {
		3592	$uuid_skip ||= $_[0];
		3593
		3594	return if $uuid_lock;
		3595	local $uuid_lock = 1;
		3596
		3597	my $uuid = "$LOCALDIR/uuid";
		3598
		3599	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3600	or return;
		3601
		3602	my $value = uuid_seq uuid_cur;
		3603
		3604	unless ($value) {
		3605	warn "cowardly refusing to write zero uuid value!\n";
		3606	return;
		3607	}
		3608
		3609	my $value = uuid_str $value + $uuid_skip;
		3610	$uuid_skip = 0;
		3611
		3612	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3613	and return;
		3614
		3615	# always fsync - this file is important
		3616	aio_fsync $fh
		3617	and return;
		3618
		3619	close $fh
		3620	or return;
		3621
		3622	aio_rename "$uuid~", $uuid
		3623	and return;
		3624
		3625	warn "uuid file written ($value).\n";
		3626
		3627	1
		3628
		3629	}
		3630
		3631	sub write_uuid($$) {
		3632	my ($skip, $sync) = @_;
		3633
		3634	$sync ? write_uuid_sync $skip
		3635	: async { write_uuid_sync $skip };
		3636	}
		3637
		3638	sub emergency_save() {
		3639	my $freeze_guard = cf::freeze_mainloop;
		3640
		3641	warn "emergency_perl_save: enter\n";
		3642
		3643	cf::sync_job {
		3644	# this is a trade-off: we want to be very quick here, so
		3645	# save all maps without fsync, and later call a global sync
		3646	# (which in turn might be very very slow)
		3647	local $USE_FSYNC = 0;
		3648
		3649	# use a peculiar iteration method to avoid tripping on perl
		3650	# refcount bugs in for. also avoids problems with players
		3651	# and maps saved/destroyed asynchronously.
		3652	warn "emergency_perl_save: begin player save\n";
		3653	for my $login (keys %cf::PLAYER) {
		3654	my $pl = $cf::PLAYER{$login} or next;
		3655	$pl->valid or next;
		3656	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3657	$pl->save;
		3658	}
		3659	warn "emergency_perl_save: end player save\n";
		3660
		3661	warn "emergency_perl_save: begin map save\n";
		3662	for my $path (keys %cf::MAP) {
		3663	my $map = $cf::MAP{$path} or next;
		3664	$map->valid or next;
		3665	$map->save;
		3666	}
		3667	warn "emergency_perl_save: end map save\n";
		3668
		3669	warn "emergency_perl_save: begin database checkpoint\n";
		3670	BDB::db_env_txn_checkpoint $DB_ENV;
		3671	warn "emergency_perl_save: end database checkpoint\n";
		3672
		3673	warn "emergency_perl_save: begin write uuid\n";
		3674	write_uuid_sync 1;
		3675	warn "emergency_perl_save: end write uuid\n";
		3676	};
		3677
		3678	warn "emergency_perl_save: starting sync()\n";
		3679	IO::AIO::aio_sync sub {
		3680	warn "emergency_perl_save: finished sync()\n";
		3681	};
		3682
		3683	warn "emergency_perl_save: leave\n";
		3684	}
		3685
		3686	sub post_cleanup {
		3687	my ($make_core) = @_;
		3688
		3689	warn Carp::longmess "post_cleanup backtrace"
		3690	if $make_core;
		3691
		3692	my $fh = pidfile;
		3693	unlink $PIDFILE if <$fh> == $$;
		3694	}
		3695
		3696	# a safer delete_package, copied from Symbol
		3697	sub clear_package($) {
		3698	my $pkg = shift;
		3699
		3700	# expand to full symbol table name if needed
		3701	unless ($pkg =~ /^main::.*::$/) {
		3702	$pkg = "main$pkg" if $pkg =~ /^::/;
		3703	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3704	$pkg .= '::' unless $pkg =~ /::$/;
		3705	}
		3706
		3707	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3708	my $stem_symtab = *{$stem}{HASH};
		3709
		3710	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3711	or return;
		3712
		3713	# clear all symbols
		3714	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3715	for my $name (keys %$leaf_symtab) {
		3716	_gv_clear *{"$pkg$name"};
		3717	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3718	}
		3719	warn "cleared package $pkg\n";#d#
		3720	}
		3721
2022	sub reload() {	3722	sub do_reload_perl() {
2023	# can/must only be called in main	3723	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3724	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	3725	warn "can only reload from main coroutine";
2026	return;	3726	return;
2027	}	3727	}
2028		3728
		3729	return if $RELOAD++;
		3730
		3731	my $t1 = EV::time;
		3732
		3733	while ($RELOAD) {
2029	warn "reloading...";	3734	warn "reloading...";
2030		3735
2031	my $guard = freeze_mainloop;	3736	warn "entering sync_job";
		3737
		3738	cf::sync_job {
		3739	cf::write_runtime_sync; # external watchdog should not bark
2032	cf::emergency_save;	3740	cf::emergency_save;
		3741	cf::write_runtime_sync; # external watchdog should not bark
2033		3742
2034	eval {	3743	warn "syncing database to disk";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745
2035	# if anything goes wrong in here, we should simply crash as we already saved	3746	# if anything goes wrong in here, we should simply crash as we already saved
2036		3747
2037	# cancel all watchers	3748	warn "flushing outstanding aio requests";
2038	for (Event::all_watchers) {	3749	while (IO::AIO::nreqs || BDB::nreqs) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	3750	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2040	}
2041
2042	# cancel all extension coros
2043	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();
2045
2046	# unload all extensions
2047	for (@exts) {
2048	warn "unloading <$_>";
2049	unload_extension $_;
2050	}
2051
2052	# unload all modules loaded from $LIBDIR
2053	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055
2056	warn "removing <$k>";
2057	delete $INC{$k};
2058
2059	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;
2061
2062	if (my $cb = $k->can ("unload_module")) {
2063	$cb->();
2064	}	3751	}
2065		3752
2066	Symbol::delete_package $k;	3753	warn "cancelling all extension coros";
		3754	$_->cancel for values %EXT_CORO;
		3755	%EXT_CORO = ();
		3756
		3757	warn "removing commands";
		3758	%COMMAND = ();
		3759
		3760	warn "removing ext/exti commands";
		3761	%EXTCMD = ();
		3762	%EXTICMD = ();
		3763
		3764	warn "unloading/nuking all extensions";
		3765	for my $pkg (@EXTS) {
		3766	warn "... unloading $pkg";
		3767
		3768	if (my $cb = $pkg->can ("unload")) {
		3769	eval {
		3770	$cb->($pkg);
		3771	1
		3772	} or warn "$pkg unloaded, but with errors: $@";
		3773	}
		3774
		3775	warn "... clearing $pkg";
		3776	clear_package $pkg;
2067	}	3777	}
2068		3778
2069	# sync database to disk	3779	warn "unloading all perl modules loaded from $LIBDIR";
2070	cf::db_sync;	3780	while (my ($k, $v) = each %INC) {
2071	IO::AIO::flush;	3781	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2072		3782
		3783	warn "... unloading $k";
		3784	delete $INC{$k};
		3785
		3786	$k =~ s/\.pm$//;
		3787	$k =~ s/\//::/g;
		3788
		3789	if (my $cb = $k->can ("unload_module")) {
		3790	$cb->();
		3791	}
		3792
		3793	clear_package $k;
		3794	}
		3795
2073	# get rid of safe::, as good as possible	3796	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3797	clear_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3798	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3799
2077	# remove register_script_function callbacks	3800	warn "unloading cf.pm \"a bit\"";
2078	# TODO
2079
2080	# unload cf.pm "a bit"
2081	delete $INC{"cf.pm"};	3801	delete $INC{"cf.pm"};
		3802	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2082		3803
2083	# don't, removes xs symbols, too,	3804	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3805	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3806	#clear_package __PACKAGE__;
2086		3807
2087	# reload cf.pm	3808	warn "unload completed, starting to reload now";
		3809
2088	warn "reloading cf.pm";	3810	warn "reloading cf.pm";
2089	require cf;	3811	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3812	cf::_connect_to_perl_1;
2091		3813
2092	# load config and database again	3814	warn "loading config and database again";
2093	cf::cfg_load;	3815	cf::reload_config;
2094	cf::db_load;
2095		3816
2096	# load extensions
2097	warn "load extensions";	3817	warn "loading extensions";
2098	cf::load_extensions;	3818	cf::load_extensions;
2099		3819
2100	# reattach attachments to objects	3820	if ($REATTACH_ON_RELOAD) {
		3821	warn "reattaching attachments to objects/players";
		3822	_global_reattach; # objects, sockets
		3823	warn "reattaching attachments to maps";
		3824	reattach $_ for values %MAP;
		3825	warn "reattaching attachments to players";
		3826	reattach $_ for values %PLAYER;
		3827	}
		3828
		3829	warn "running post_init jobs";
		3830	(pop @POST_INIT)->(1) while @POST_INIT;
		3831
		3832	warn "leaving sync_job";
		3833
		3834	1
		3835	} or do {
		3836	warn $@;
		3837	cf::cleanup "error while reloading, exiting.";
		3838	};
		3839
2101	warn "reattach";	3840	warn "reloaded";
2102	_global_reattach;	3841	--$RELOAD;
		3842	}
		3843
		3844	$t1 = EV::time - $t1;
		3845	warn "reload completed in ${t1}s\n";
		3846	};
		3847
		3848	our $RELOAD_WATCHER; # used only during reload
		3849
		3850	sub reload_perl() {
		3851	# doing reload synchronously and two reloads happen back-to-back,
		3852	# coro crashes during coro_state_free->destroy here.
		3853
		3854	$RELOAD_WATCHER ||= cf::async {
		3855	Coro::AIO::aio_wait cache_extensions;
		3856
		3857	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3858	do_reload_perl;
		3859	undef $RELOAD_WATCHER;
		3860	};
2103	};	3861	};
2104
2105	if ($@) {
2106	warn $@;
2107	warn "error while reloading, exiting.";
2108	exit 1;
2109	}
2110
2111	warn "reloaded successfully";
2112	};
2113
2114	#############################################################################
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	3862	}
2156
2157	register "<global>", __PACKAGE__;
2158		3863
2159	register_command "reload" => sub {	3864	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	3865	my ($who, $arg) = @_;
2161		3866
2162	if ($who->flag (FLAG_WIZ)) {	3867	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	3868	$who->message ("reloading server.");
		3869	async {
		3870	$Coro::current->{desc} = "perl_reload";
		3871	reload_perl;
		3872	};
2166	}	3873	}
2167	};	3874	};
2168		3875
2169	unshift @INC, $LIBDIR;	3876	unshift @INC, $LIBDIR;
2170		3877
2171	$TICK_WATCHER = Event->timer (	3878	my $bug_warning = 0;
2172	reentrant => 0,	3879
2173	prio => 0,	3880	our @WAIT_FOR_TICK;
2174	at => $NEXT_TICK || $TICK,	3881	our @WAIT_FOR_TICK_BEGIN;
2175	data => WF_AUTOCANCEL,	3882
2176	cb => sub {	3883	sub wait_for_tick {
		3884	return if tick_inhibit || $Coro::current == $Coro::main;
		3885
		3886	my $signal = new Coro::Signal;
		3887	push @WAIT_FOR_TICK, $signal;
		3888	$signal->wait;
		3889	}
		3890
		3891	sub wait_for_tick_begin {
		3892	return if tick_inhibit || $Coro::current == $Coro::main;
		3893
		3894	my $signal = new Coro::Signal;
		3895	push @WAIT_FOR_TICK_BEGIN, $signal;
		3896	$signal->wait;
		3897	}
		3898
		3899	sub tick {
		3900	if ($Coro::current != $Coro::main) {
		3901	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3902	unless ++$bug_warning > 10;
		3903	return;
		3904	}
		3905
2177	cf::server_tick; # one server iteration	3906	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;
2180		3907
2181	# if we are delayed by four ticks or more, skip them all	3908	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3909	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2183		3910	Coro::async_pool {
2184	$TICK_WATCHER->at ($NEXT_TICK);	3911	$Coro::current->{desc} = "runtime saver";
2185	$TICK_WATCHER->start;
2186	},
2187	);
2188
2189	IO::AIO::max_poll_time $TICK * 0.2;
2190
2191	Event->io (
2192	fd => IO::AIO::poll_fileno,
2193	poll => 'r',
2194	prio => 5,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,
2201	after => 0,
2202	interval => 10,
2203	cb => sub {
2204	(Coro::unblock_sub {
2205	write_runtime	3912	write_runtime_sync
2206	or warn "ERROR: unable to write runtime file: $!";	3913	or warn "ERROR: unable to write runtime file: $!";
2207	})->();	3914	};
2208	},	3915	}
2209	);	3916
		3917	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3918	$sig->send;
		3919	}
		3920	while (my $sig = shift @WAIT_FOR_TICK) {
		3921	$sig->send;
		3922	}
		3923
		3924	$LOAD = ($NOW - $TICK_START) / $TICK;
		3925	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3926
		3927	if (0) {
		3928	if ($NEXT_TICK) {
		3929	my $jitter = $TICK_START - $NEXT_TICK;
		3930	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3931	warn "jitter $JITTER\n";#d#
		3932	}
		3933	}
		3934	}
		3935
		3936	{
		3937	# configure BDB
		3938
		3939	BDB::min_parallel 8;
		3940	BDB::max_poll_reqs $TICK * 0.1;
		3941	$AnyEvent::BDB::WATCHER->priority (1);
		3942
		3943	unless ($DB_ENV) {
		3944	$DB_ENV = BDB::db_env_create;
		3945	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3946	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3947	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3948	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3949	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3950
		3951	cf::sync_job {
		3952	eval {
		3953	BDB::db_env_open
		3954	$DB_ENV,
		3955	$BDBDIR,
		3956	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3957	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3958	0666;
		3959
		3960	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3961	};
		3962
		3963	cf::cleanup "db_env_open(db): $@" if $@;
		3964	};
		3965	}
		3966
		3967	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3968	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3969	};
		3970	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3971	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3972	};
		3973	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3974	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3975	};
		3976	}
		3977
		3978	{
		3979	# configure IO::AIO
		3980
		3981	IO::AIO::min_parallel 8;
		3982	IO::AIO::max_poll_time $TICK * 0.1;
		3983	undef $AnyEvent::AIO::WATCHER;
		3984	}
		3985
		3986	my $_log_backtrace;
		3987
		3988	sub _log_backtrace {
		3989	my ($msg, @addr) = @_;
		3990
		3991	$msg =~ s/\n//;
		3992
		3993	# limit the # of concurrent backtraces
		3994	if ($_log_backtrace < 2) {
		3995	++$_log_backtrace;
		3996	my $perl_bt = Carp::longmess $msg;
		3997	async {
		3998	$Coro::current->{desc} = "abt $msg";
		3999
		4000	my @bt = fork_call {
		4001	@addr = map { sprintf "%x", $_ } @addr;
		4002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4004	or die "addr2line: $!";
		4005
		4006	my @funcs;
		4007	my @res = <$fh>;
		4008	chomp for @res;
		4009	while (@res) {
		4010	my ($func, $line) = splice @res, 0, 2, ();
		4011	push @funcs, "[$func] $line";
		4012	}
		4013
		4014	@funcs
		4015	};
		4016
		4017	LOG llevInfo, "[ABT] $perl_bt\n";
		4018	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4019	LOG llevInfo, "[ABT] $_\n" for @bt;
		4020	--$_log_backtrace;
		4021	};
		4022	} else {
		4023	LOG llevInfo, "[ABT] $msg\n";
		4024	LOG llevInfo, "[ABT] [suppressed]\n";
		4025	}
		4026	}
		4027
		4028	# load additional modules
		4029	require "cf/$_.pm" for @EXTRA_MODULES;
		4030	cf::_connect_to_perl_2;
2210		4031
2211	END { cf::emergency_save }	4032	END { cf::emergency_save }
2212		4033
2213	1	4034	1
2214		4035

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