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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.133 by root, Thu Jan 4 16:19:32 2007 UTC vs.
Revision 1.491 by root, Sat Oct 24 09:18:44 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
181	JSON::Syck::Dump $_[0]
182	}
183		337
184	=item my $guard = cf::guard { BLOCK }	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
185		340
186	Run the given callback when the guard object gets destroyed (useful for	341	=item cf::post_init { BLOCK }
187	coroutine cancellations).
188		342
189	You can call C<< ->cancel >> on the guard object to stop the block from	343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
190	being executed.	344	but I<before> the server starts ticking again.
191		345
192	=cut	346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
193		348
194	sub guard(&) {	349	=cut
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197		350
198	sub cf::guard::cancel {	351	sub post_init(&) {
199	${$_[0]} = sub { };	352	push @POST_INIT, shift;
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}	353	}
205		354
206	=item cf::lock_wait $string	355	=item cf::lock_wait $string
207		356
208	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
209		358
210	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
211		360
212	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
213	a guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
215	returned.	364	returned.
216		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
217	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
218	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
219		371
220	=cut	372	=item $locked = cf::lock_active $string
221		373
222	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
223		379
224	sub lock_wait($) {	380	sub lock_wait($) {
225	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
226
227	# wait for lock, if any
228	while ($LOCK{$key}) {
229	push @{ $LOCK{$key} }, $Coro::current;
230	Coro::schedule;
231	}
232	}	382	}
233		383
234	sub lock_acquire($) {	384	sub lock_acquire($) {
235	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
236		387
237	# wait, to be sure we are not locked	388	sub lock_active($) {
238	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
		390	}
239		391
240	$LOCK{$key} = [];	392	sub freeze_mainloop {
		393	tick_inhibit_inc;
241		394
242	cf::guard {	395	&Guard::guard (\&tick_inhibit_dec);
243	# wake up all waiters, to be on the safe side	396	}
244	$_->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($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
245	}	456	}
		457	};
		458
		459	sub get_slot($;$$) {
		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	$sig->wait;
246	}	471	}
247		472
248	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
249		474
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	475	Currently the same as Coro::async_pool, meaning you cannot use
251	error instead of exiting the server in case of a problem.	476	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		477	thing you are allowed to do is call C<prio> on it.
252		478
253	=cut	479	=cut
254		480
255	sub async(&) {	481	BEGIN { *async = \&Coro::async_pool }
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;
266
267	my $guard = guard { $TICK_WATCHER->start };
268	$TICK_WATCHER->stop;
269	$guard
270	}
271		482
272	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
273		484
274	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
275	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
276	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
277		489
278	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
279	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
280	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
281	fast or be very important.	493	fast or be very important.
…		…
284		496
285	sub sync_job(&) {	497	sub sync_job(&) {
286	my ($job) = @_;	498	my ($job) = @_;
287		499
288	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
289	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
290	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
291		505
292	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
293	# (but this is cancel-safe)	507
294	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
295		509
296	my $busy = 1;	510	my $busy = 1;
297	my @res;	511	my @res;
298		512
299	(Coro::async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
300	@res = eval { $job->() };	515	@res = eval { $job->() };
301	warn $@ if $@;	516	warn $@ if $@;
302	undef $busy;	517	undef $busy;
303	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
304		519
305	while ($busy) {	520	while ($busy) {
		521	if (Coro::nready) {
306	Coro::cede_notself;	522	Coro::cede_notself;
307	Event::one_event unless Coro::nready;	523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
308	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
309		531
310	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
311	} else {	533	} else {
312	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
313		535
314	$job->()	536	$job->()
315	}	537	}
316	}	538	}
317		539
318	=item $coro = cf::coro { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
319		541
320	Creates and returns a new coro. This coro is automcatially being canceled	542	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	543	extension calling this is being unloaded.
322		544
323	=cut	545	=cut
324		546
325	sub coro(&) {	547	sub async_ext(&) {
326	my $cb = shift;	548	my $cb = shift;
327		549
328	my $coro = &cf::async ($cb);	550	my $coro = &Coro::async ($cb);
329		551
330	$coro->on_destroy (sub {	552	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	553	delete $EXT_CORO{$coro+0};
332	});	554	});
333	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
334		556
335	$coro	557	$coro
336	}	558	}
337		559
338	sub write_runtime {	560	=item fork_call { }, $args
339	my $runtime = cf::localdir . "/runtime";
340		561
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
342	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.
343		566
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;
347		568
348	aio_fsync $fh	569	sub fork_call(&@) {
349	and return;	570	my ($cb, @args) = @_;
350		571
351	close $fh	572	# we seemingly have to make a local copy of the whole thing,
352	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
353		575
354	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
355	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
356		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($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
357	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		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 => $type });
358	}	747	}
359		748
360	=back	749	=back
361		750
362	=cut	751	=cut
363		752
364	#############################################################################	753	#############################################################################
365		754
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483
484	#############################################################################
485
486	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
487		756
488	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
489	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")
490	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
491		760
492	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>
493	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
494	crossfire+).	763	Deliantra).
495		764
496	=over 4	765	=over 4
497		766
498	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
499		768
…		…
543	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
544		813
545	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
546	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
547		816
548	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
549	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.
550		819
551	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
552		821
553	=over 4	822	=over 4
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	883	our @CB_MAP = ();
615		884
616	my %attachment;	885	my %attachment;
617		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
618	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
620		895
621	use sort 'stable';	896	use sort 'stable';
622		897
…		…
656	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
657		932
658	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
659	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
660	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
661	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
662		937
663	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
664	my $pkg = shift @arg;	939	my $pkg = shift @arg;
665		940
666	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
695	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
696	}	971	}
697		972
698	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
699	} else {	974	} else {
700	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
701	}	976	}
702		977
703	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
704	}	979	}
705		980
…		…
707	if (ref $_[0]) {	982	if (ref $_[0]) {
708	_object_attach @_;	983	_object_attach @_;
709	} else {	984	} else {
710	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
711	}	986	}
		987	_recalc_want;
712	};	988	};
713		989
714	# all those should be optimised	990	# all those should be optimised
715	sub cf::attachable::detach {	991	sub cf::attachable::detach {
716	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
719	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
720	reattach ($obj);	996	reattach ($obj);
721	} else {	997	} else {
722	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
723	}	999	}
		1000	_recalc_want;
724	};	1001	};
725		1002
726	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
727	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
728		1005
…		…
743	";	1020	";
744	die if $@;	1021	die if $@;
745	}	1022	}
746		1023
747	our $override;	1024	our $override;
748	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?
749		1026
750	sub override {	1027	sub override {
751	$override = 1;	1028	$override = 1;
752	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
753	}	1030	}
754		1031
755	sub do_invoke {	1032	sub do_invoke {
756	my $event = shift;	1033	my $event = shift;
757	my $callbacks = shift;	1034	my $callbacks = shift;
758		1035
759	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
760		1037
761	local $override;	1038	local $override;
762		1039
763	for (@$callbacks) {	1040	for (@$callbacks) {
764	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
773	}	1050	}
774		1051
775	0	1052	0
776	}	1053	}
777		1054
778	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
779		1056
780	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
781		1058
782	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
783		1060
784	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
785	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
786	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
787		1064
788	=back	1065	=back
789		1066
790	=cut	1067	=cut
791		1068
792	#############################################################################	1069	#############################################################################
793	# 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	}
794		1113
795	sub reattach {	1114	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
797	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
798		1120
799	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
800		1122
801	@$registry = ();	1123	@$registry = ();
802		1124
…		…
817	cf::attachable->attach (	1139	cf::attachable->attach (
818	prio => -1000000,	1140	prio => -1000000,
819	on_instantiate => sub {	1141	on_instantiate => sub {
820	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
821		1143
822	$data = from_json $data;	1144	$data = decode_json $data;
823		1145
824	for (@$data) {	1146	for (@$data) {
825	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
826		1148
827	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
843	sub object_freezer_save {	1165	sub object_freezer_save {
844	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
845		1167
846	sync_job {	1168	sync_job {
847	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
848	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
849	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
850		1173
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
853	aio_write $fh, 0, (length $$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;
854	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
855	close $fh;	1181	aio_close $fh;
856		1182
857	if (@$objs) {	1183	if (@$objs) {
858	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) {
859	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
861	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;
862	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
863	close $fh;	1192	aio_close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
865	}	1194	}
866	} else {	1195	} else {
867	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
868	}	1197	}
869		1198
870	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
871	} else {	1203	} else {
872	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
873	}	1205	}
874	} else {	1206	} else {
875	aio_unlink $filename;	1207	aio_unlink $filename;
876	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
877	}	1209	}
878	}	1210	};
879	}	1211	}
880		1212
881	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
882	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
883		1215
…		…
895	or return;	1227	or return;
896		1228
897	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
898	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
899	or return;	1231	or return;
		1232
900	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
901	}	1235	}
902		1236
		1237	utf8::decode (my $decname = $filename);
903	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
904	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
905	return ($data, $av);	1241	($data, $av)
906	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
907		1249
908	#############################################################################	1250	#############################################################################
909	# command handling &c	1251	# command handling &c
910		1252
911	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
924	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
925	}	1267	}
926		1268
927	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
928		1270
929	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.
930		1276
931	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
932	called.	1278	called.
933		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
934	=cut	1291	=cut
935		1292
936	sub register_extcmd {	1293	sub register_extcmd {
937	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
938		1295
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
943	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
944		1306
945	cf::player->attach (	1307	cf::player->attach (
946	on_command => sub {	1308	on_command => sub {
947	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
948		1310
…		…
956	cf::override;	1318	cf::override;
957	},	1319	},
958	on_extcmd => sub {	1320	on_extcmd => sub {
959	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
960		1322
961	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
962		1324
963	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
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
966	$pl->ext_reply ($msg->{msgid}, %reply);
967	}
968	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
969	} else {	1340	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
971	}	1342	}
972		1343
973	cf::override;	1344	cf::override;
974	},	1345	},
975	);	1346	);
976		1347
977	sub register {	1348	# "readahead" all extensions
978	my ($base, $pkg) = @_;	1349	sub cache_extensions {
		1350	my $grp = IO::AIO::aio_group;
979		1351
980	#TODO	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
981	}	1353	for (grep /\.ext$/, @{$_[0]}) {
		1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1355	}
		1356	};
982		1357
		1358	$grp
		1359	}
		1360
983	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($) {
984	my ($path) = @_;	1716	my ($path) = @_;
985		1717
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1718	my ($match, $specificity);
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991		1719
992	warn "loading '$path' into '$pkg'\n";	1720	for my $region (list) {
993		1721	if ($region->{match} && $path =~ $region->{match}) {
994	open my $fh, "<:utf8", $path	1722	($match, $specificity) = ($region, $region->specificity)
995	or die "$path: $!";	1723	if $region->specificity > $specificity;
996		1724	}
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @exts, $pkg;
1008	$ext_pkg{$base} = $pkg;
1009
1010	# no strict 'refs';
1011	# @{"$pkg\::ISA"} = ext::;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	1725	}
1026		1726
1027	# remove commands	1727	$match
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}
1052
1053	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;
1056	eval {
1057	load_extension $ext;
1058	1
1059	} or warn "$ext not loaded: $@";
1060	}
1061	}
1062
1063	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100
1101	=head2 CORE EXTENSIONS
1102
1103	Functions and methods that extend core crossfire objects.
1104
1105	=head3 cf::player
1106
1107	=over 4
1108
1109	=item cf::player::exists $login
1110
1111	Returns true when the given account exists.
1112
1113	=cut
1114
1115	sub cf::player::exists($) {
1116	cf::player::find $_[0]
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1118	}
1119
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)
1121
1122	Sends an ext reply to the player.
1123
1124	=cut
1125
1126	sub cf::player::ext_reply($$$%) {
1127	my ($self, $id, %msg) = @_;
1128
1129	$msg{msgid} = $id;
1130
1131	$self->send ("ext " . to_json \%msg);
1132	}	1728	}
1133		1729
1134	=back	1730	=back
1135
1136		1731
1137	=head3 cf::map	1732	=head3 cf::map
1138		1733
1139	=over 4	1734	=over 4
1140		1735
…		…
1143	package cf::map;	1738	package cf::map;
1144		1739
1145	use Fcntl;	1740	use Fcntl;
1146	use Coro::AIO;	1741	use Coro::AIO;
1147		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1148	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1150		1749
1151	sub generate_random_map {	1750	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1153		1754
1154	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1756	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$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},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1168	}	1769	}
1169		1770
1170	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1171	# all maps in C++...
1172	sub change_all_map_light {
1173	my ($change) = @_;
1174		1772
1175	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1176	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1177	}	1775	default).
1178		1776
1179	sub try_load_header($) {	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 {
1180	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) = @_;
1181		1916
1182	utf8::encode $path;	1917	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1184	or return;	1919	or return;
1185		1920
1186	my $map = cf::map::new	1921	$self->_load_header ($f)
1187	or return;	1922	or return;
1188		1923
1189	$map->load_header ($path)	1924	local $MAP_LOADING{$self->{path}} = $self;
		1925	$f->resolve_delayed_derefs;
		1926
		1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1190	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1191		1973
1192	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1193		1976
1194	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1195	}	1981	}
1196		1982
1197	sub find;	1983	sub find;
1198	sub find {	1984	sub find {
1199	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1200		1986
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1988
1206	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1207
1208	$cf::MAP{$key} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1210		1991
1211	# do it the slow way	1992	$cf::MAP{$path} || do {
1212	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1213
1214	if ($map) {
1215	$map->last_access ((delete $map->{last_access})
1216	|| $cf::RUNTIME); #d#
1217	# safety
1218	$map->{instantiate_time} = $cf::RUNTIME
1219	if $map->{instantiate_time} > $cf::RUNTIME;
1220	} else {
1221	if (my $rmp = $path->random_map_params) {
1222	$map = generate_random_map $key, $rmp;
1223	} else {
1224	$map = try_load_header $path->load_path;
1225	}
1226
1227	$map or return;	1994	or return;
1228		1995
1229	$map->{load_original} = 1;
1230	$map->{instantiate_time} = $cf::RUNTIME;
1231	$map->last_access ($cf::RUNTIME);
1232	$map->instantiate;
1233
1234	# per-player maps become, after loading, normal maps
1235	$map->per_player (0) if $path->{user_rel};
1236	}
1237
1238	$map->path ($key);
1239	$map->{path} = $path;
1240	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1241		1997
1242	if ($map->should_reset) {	1998	$map->load_header
		1999	or return;
		2000
		2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1243	$map->reset;	2006	$map->reset;
1244	undef $guard;
1245	$map = find $path	2007	return find $path;
1246	or return;
1247	}	2008	}
1248		2009
1249	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1250	}	2011	}
1251	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1252		2016
1253	sub load {	2017	sub load {
1254	my ($self) = @_;	2018	my ($self) = @_;
1255		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1256	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1257	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1258		2026
		2027	return unless $self->valid;
1259	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1260		2029
1261	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1262		2031
1263	$self->alloc;	2032	$self->alloc;
1264	$self->load_objects ($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)
1265	or return;	2040	or return;
1266		2041
1267	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1268	if delete $self->{load_original};	2043	if delete $self->{load_original};
1269		2044
1270	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1271	utf8::encode $uniq;	2046	utf8::encode $uniq;
1272	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1273	$self->clear_unique_items;	2049	$self->clear_unique_items;
1274	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1275	}	2053	}
1276	}	2054	}
1277		2055
		2056	$f->resolve_delayed_derefs;
		2057
		2058	cf::cede_to_tick;
1278	# now do the right thing for maps	2059	# now do the right thing for maps
1279	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1280
1281	if ($self->{path}->is_style_map) {
1282	$self->{deny_save} = 1;
1283	$self->{deny_reset} = 1;
1284	} else {
1285	$self->fix_auto_apply;
1286	$self->decay_objects;
1287	$self->update_buttons;
1288	$self->set_darkness_map;
1289	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1290	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;
1291	$self->activate;	2070	$self->activate;
1292	}	2071	}
1293		2072
		2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
		2075
1294	$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	$neigh->load;
		2117	}
1295	}	2118	}
1296		2119
1297	sub find_sync {	2120	sub find_sync {
1298	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1299		2122
1300	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1301	}	2124	}
1302		2125
1303	sub do_load_sync {	2126	sub do_load_sync {
1304	my ($map) = @_;	2127	my ($map) = @_;
1305		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1306	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	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1307	}	2166	}
1308		2167
1309	sub save {	2168	sub save {
1310	my ($self) = @_;	2169	my ($self) = @_;
1311		2170
		2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2172
1312	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1313		2174
1314	return unless $self->dirty;	2175	return unless $self->dirty;
1315		2176
1316	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1317	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1318		2179
1319	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1320		2181
1321	return if $self->{deny_save};	2182	return if $self->{deny_save};
1322		2183
1323	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1324		2185
		2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
		2188	$_->contr->save for $self->players;
		2189	};
		2190
		2191	cf::get_slot 0.02;
		2192
1325	if ($uniq) {	2193	if ($uniq) {
1326	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1327	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1328	} else {	2196	} else {
1329	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1330	}	2198	}
1331	}	2199	}
1332		2200
1333	sub swap_out {	2201	sub swap_out {
1334	my ($self) = @_;	2202	my ($self) = @_;
1335		2203
1336	# save first because save cedes	2204	# save first because save cedes
1337	$self->save;	2205	$self->save;
1338		2206
		2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2208
1339	return if $self->players;	2209	return if $self->players;
1340	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1341	return if $self->{deny_save};	2211	return if $self->{deny_save};
1342		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1343	$self->clear;	2217	$self->clear;
1344	$self->in_memory (cf::MAP_SWAPPED);
1345	}	2218	}
1346		2219
1347	sub reset_at {	2220	sub reset_at {
1348	my ($self) = @_;	2221	my ($self) = @_;
1349		2222
1350	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1351	return 1e99 if $self->{path}{user_rel};
1352	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1353		2225
1354	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1355	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1356		2228
…		…
1361	my ($self) = @_;	2233	my ($self) = @_;
1362		2234
1363	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1364	}	2236	}
1365		2237
1366	sub unlink_save {
1367	my ($self) = @_;
1368
1369	utf8::encode (my $save = $self->{path}->save_path);
1370	aioreq_pri 3; IO::AIO::aio_unlink $save;
1371	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1372	}
1373
1374	sub rename {
1375	my ($self, $new_path) = @_;
1376
1377	$self->unlink_save;
1378
1379	delete $cf::MAP{$self->path};
1380	$self->{path} = new cf::path $new_path;
1381	$self->path ($self->{path}->as_string);
1382	$cf::MAP{$self->path} = $self;
1383
1384	$self->save;
1385	}
1386
1387	sub reset {	2238	sub reset {
1388	my ($self) = @_;	2239	my ($self) = @_;
1389		2240
		2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2242
1390	return if $self->players;	2243	return if $self->players;
1391	return if $self->{path}{user_rel};#d#
1392		2244
1393	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	}
1394		2256
1395	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1396		2258
		2259	$self->deactivate;
1397	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1398		2262
1399	$self->unlink_save;	2263	$self->unlink_save;
1400	$self->destroy;	2264	$self->destroy;
1401	}	2265	}
1402		2266
1403	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1404		2268
1405	sub nuke {	2269	sub nuke {
1406	my ($self) = @_;	2270	my ($self) = @_;
1407		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};
1408	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1409	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1410	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1411	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1412	}	2289	}
1413		2290
1414	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1415	my ($map, $ob) = @_;
1416		2292
1417	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1418	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1419	}	2299	[
1420		2300	map {
1421	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1422	}	2307	}
1423		2308
1424	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1425	my $freeze_guard = cf::freeze_mainloop;
1426		2310
1427	warn "enter emergency map save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1428		2313
1429	cf::sync_job {	2314	=cut
1430	warn "begin emergency map save\n";	2315
1431	$_->save for values %cf::MAP;	2316	sub random_maps() {
		2317	[
		2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
		2327	=item cf::map::unique_maps
		2328
		2329	Returns an arrayref of paths of all shared maps that have
		2330	instantiated unique items. May block.
		2331
		2332	=cut
		2333
		2334	sub unique_maps() {
		2335	[
		2336	map {
		2337	utf8::decode $_;
		2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
		2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
1432	};	2373	}
1433		2374
1434	warn "end emergency map save\n";	2375	\@maps
		2376	}
		2377
		2378	=back
		2379
		2380	=head3 cf::object
		2381
		2382	=cut
		2383
		2384	package cf::object;
		2385
		2386	=over 4
		2387
		2388	=item $ob->inv_recursive
		2389
		2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
		2392
		2393	=cut
		2394
		2395	sub inv_recursive_;
		2396	sub inv_recursive_ {
		2397	map { $_, inv_recursive_ $_->inv } @_
		2398	}
		2399
		2400	sub inv_recursive {
		2401	inv_recursive_ inv $_[0]
		2402	}
		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
1435	}	2430	}
1436		2431
1437	package cf;	2432	package cf;
1438		2433
1439	=back	2434	=back
1440
1441		2435
1442	=head3 cf::object::player	2436	=head3 cf::object::player
1443		2437
1444	=over 4	2438	=over 4
1445		2439
…		…
1448	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1449	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1450	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1451		2445
1452	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1453		2461
1454	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1455	# with dialog boxes.	2463	# with dialog boxes.
1456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1457	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1459		2467
1460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1461		2469
1462	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1464	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1465	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1466	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1467	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1468	}	2495	}
1469		2496
1470	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1471		2498
1472	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1485		2512
1486	=item $player_object->enter_link	2513	=item $player_object->enter_link
1487		2514
1488	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1489		2516
1490	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1491	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1492		2523
1493	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1494		2525
1495	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1496	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1497	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1498	to the emergency map position.	2529	fails, to the emergency map position.
1499		2530
1500	Might block.	2531	Might block.
1501		2532
1502	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1503		2544
1504	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1505	my ($self) = @_;	2546	my ($self) = @_;
1506		2547
1507	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1508		2549
1509	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1510		2551
1511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1512	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1513		2554
1514	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1515	}	2556	}
1516		2557
1517	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1518	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1519		2562
1520	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1521		2564
1522	unless ($map) {	2565	unless ($map) {
1523	# restore original map position	2566	# restore original map position
…		…
1537	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1538	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1539	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1540		2583
1541	$map->load;	2584	$map->load;
		2585	$map->load_neighbours;
1542		2586
		2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1543	$self->activate_recursive;	2593	$self->activate_recursive;
1544	$self->enter_map ($map, $x, $y);
1545	}	2594	}
1546		2595
1547	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1548	on_logout => sub {
1549	my ($pl) = @_;
1550		2597
1551	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1552	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1553	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1554	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1555	};	2602	be called at the end of this process.
1556	}
1557	},
1558	on_login => sub {
1559	my ($pl) = @_;
1560		2603
1561	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1562	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1563	if ($pl->ob->{_link_pos}) {
1564	$pl->ob->enter_link;
1565	cf::async {
1566	# we need this sleep as the login has a concurrent enter_exit running
1567	# and this sleep increases chances of the player not ending up in scorn
1568	Coro::Timer::sleep 1;
1569	$pl->ob->leave_link;
1570	};
1571	}
1572	},
1573	);
1574		2606
1575	=item $player_object->goto_map ($path, $x, $y)
1576
1577	=cut	2607	=cut
1578		2608
		2609	our $GOTOGEN;
		2610
1579	sub cf::object::player::goto_map {	2611	sub cf::object::player::goto {
1580	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
		2613
		2614	# do generation counting so two concurrent goto's will be executed in-order
		2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1581		2616
1582	$self->enter_link;	2617	$self->enter_link;
1583		2618
1584	(cf::async {	2619	(async {
1585	$path = new cf::path $path;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
1586		2621
1587	my $map = cf::map::find $path->as_string;	2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1588	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1589		2646	$map = $check->($map) if $check && $map;
1590	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1591	# if $map;
1592
1593	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1594		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1595	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1596	})->prio (1);	2665	})->prio (1);
1597	}	2666	}
1598		2667
1599	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1600		2669
…		…
1602		2671
1603	sub parse_random_map_params {	2672	sub parse_random_map_params {
1604	my ($spec) = @_;	2673	my ($spec) = @_;
1605		2674
1606	my $rmp = { # defaults	2675	my $rmp = { # defaults
1607	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1608	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1609	};	2680	};
1610		2681
1611	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1612	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1613		2684
…		…
1625	# that depends on the exit object	2696	# that depends on the exit object
1626		2697
1627	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1628		2699
1629	if ($exit->map) {	2700	if ($exit->map) {
1630	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1631	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1632	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1633	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1634	}	2707	}
1635		2708
1636	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1637		2710
1638	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1639	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1640		2714
1641	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1642	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1643		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1644	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1645	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1646	}	2726	}
1647	}	2727	}
1648		2728
1649	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1650	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
1651		2731
1652	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1653		2733
1654	$self->enter_link;	2734	$self->enter_link;
1655		2735
1656	(cf::async {	2736	(async {
1657	$self->deactivate_recursive; # just to be sure	2737	$Coro::current->{desc} = "enter_exit";
		2738
1658	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1659	prepare_random_map $exit	2746	prepare_random_map $exit
1660	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1661		2749
1662	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1663	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1664		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1665	1;	2760	1
1666	}) {	2761	}) {
1667	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1668	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1669	. "Please report this to the dungeon master",	2764	. "Please report this to the dungeon master!",
1670	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1671		2766
1672	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1673	$self->leave_link;	2768	$self->leave_link;
1674	}	2769	}
1675	})->prio (1);	2770	})->prio (1);
…		…
1688		2783
1689	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1690	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1691		2786
1692	utf8::encode $text;	2787	utf8::encode $text;
1693	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1694	}	2789	}
1695		2790
		2791	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2792
		2793	Send a drawinfo or msg packet to the client, formatting the msg for the
		2794	client if neccessary. C<$type> should be a string identifying the type of
		2795	the message, with C<log> being the default. If C<$color> is negative, suppress
		2796	the message unless the client supports the msg packet.
		2797
		2798	=cut
		2799
		2800	# non-persistent channels (usually the info channel)
		2801	our %CHANNEL = (
		2802	"c/motd" => {
		2803	id => "infobox",
		2804	title => "MOTD",
		2805	reply => undef,
		2806	tooltip => "The message of the day",
		2807	},
		2808	"c/identify" => {
		2809	id => "infobox",
		2810	title => "Identify",
		2811	reply => undef,
		2812	tooltip => "Items recently identified",
		2813	},
		2814	"c/examine" => {
		2815	id => "infobox",
		2816	title => "Examine",
		2817	reply => undef,
		2818	tooltip => "Signs and other items you examined",
		2819	},
		2820	"c/shopinfo" => {
		2821	id => "infobox",
		2822	title => "Shop Info",
		2823	reply => undef,
		2824	tooltip => "What your bargaining skill tells you about the shop",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/statistics" => {
		2851	id => "infobox",
		2852	title => "Statistics",
		2853	reply => undef,
		2854	tooltip => "Shows your primary statistics",
		2855	},
		2856	"c/skills" => {
		2857	id => "infobox",
		2858	title => "Skills",
		2859	reply => undef,
		2860	tooltip => "Shows your experience per skill and item power",
		2861	},
		2862	"c/shopitems" => {
		2863	id => "infobox",
		2864	title => "Shop Items",
		2865	reply => undef,
		2866	tooltip => "Shows the items currently for sale in this shop",
		2867	},
		2868	"c/resistances" => {
		2869	id => "infobox",
		2870	title => "Resistances",
		2871	reply => undef,
		2872	tooltip => "Shows your resistances",
		2873	},
		2874	"c/pets" => {
		2875	id => "infobox",
		2876	title => "Pets",
		2877	reply => undef,
		2878	tooltip => "Shows information abotu your pets/a specific pet",
		2879	},
		2880	"c/perceiveself" => {
		2881	id => "infobox",
		2882	title => "Perceive Self",
		2883	reply => undef,
		2884	tooltip => "You gained detailed knowledge about yourself",
		2885	},
		2886	"c/uptime" => {
		2887	id => "infobox",
		2888	title => "Uptime",
		2889	reply => undef,
		2890	tooltip => "How long the server has been running since last restart",
		2891	},
		2892	"c/mapinfo" => {
		2893	id => "infobox",
		2894	title => "Map Info",
		2895	reply => undef,
		2896	tooltip => "Information related to the maps",
		2897	},
		2898	"c/party" => {
		2899	id => "party",
		2900	title => "Party",
		2901	reply => "gsay ",
		2902	tooltip => "Messages and chat related to your party",
		2903	},
		2904	"c/death" => {
		2905	id => "death",
		2906	title => "Death",
		2907	reply => undef,
		2908	tooltip => "Reason for and more info about your most recent death",
		2909	},
		2910	"c/say" => $SAY_CHANNEL,
		2911	"c/chat" => $CHAT_CHANNEL,
		2912	);
		2913
		2914	sub cf::client::send_msg {
		2915	my ($self, $channel, $msg, $color, @extra) = @_;
		2916
		2917	$msg = $self->pl->expand_cfpod ($msg)
		2918	unless $color & cf::NDI_VERBATIM;
		2919
		2920	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2921
		2922	# check predefined channels, for the benefit of C
		2923	if ($CHANNEL{$channel}) {
		2924	$channel = $CHANNEL{$channel};
		2925
		2926	$self->ext_msg (channel_info => $channel);
		2927	$channel = $channel->{id};
		2928
		2929	} elsif (ref $channel) {
		2930	# send meta info to client, if not yet sent
		2931	unless (exists $self->{channel}{$channel->{id}}) {
		2932	$self->{channel}{$channel->{id}} = $channel;
		2933	$self->ext_msg (channel_info => $channel);
		2934	}
		2935
		2936	$channel = $channel->{id};
		2937	}
		2938
		2939	return unless @extra || length $msg;
		2940
		2941	# default colour, mask it out
		2942	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2943	if $color & cf::NDI_DEF;
		2944
		2945	my $pkt = "msg "
		2946	. $self->{json_coder}->encode (
		2947	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2948	);
		2949
		2950	# try lzf for large packets
		2951	$pkt = "lzf " . Compress::LZF::compress $pkt
		2952	if 1024 <= length $pkt and $self->{can_lzf};
		2953
		2954	# split very large packets
		2955	if (8192 < length $pkt and $self->{can_lzf}) {
		2956	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2957	$pkt = "frag";
		2958	}
		2959
		2960	$self->send_packet ($pkt);
		2961	}
		2962
		2963	=item $client->ext_msg ($type, @msg)
		2964
		2965	Sends an ext event to the client.
		2966
		2967	=cut
		2968
		2969	sub cf::client::ext_msg($$@) {
		2970	my ($self, $type, @msg) = @_;
		2971
		2972	if ($self->extcmd == 2) {
		2973	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2974	} elsif ($self->extcmd == 1) { # TODO: remove
		2975	push @msg, msgtype => "event_$type";
		2976	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2977	}
		2978	}
		2979
		2980	=item $client->ext_reply ($msgid, @msg)
		2981
		2982	Sends an ext reply to the client.
		2983
		2984	=cut
		2985
		2986	sub cf::client::ext_reply($$@) {
		2987	my ($self, $id, @msg) = @_;
		2988
		2989	if ($self->extcmd == 2) {
		2990	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2991	} elsif ($self->extcmd == 1) {
		2992	#TODO: version 1, remove
		2993	unshift @msg, msgtype => "reply", msgid => $id;
		2994	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2995	}
		2996	}
1696		2997
1697	=item $success = $client->query ($flags, "text", \&cb)	2998	=item $success = $client->query ($flags, "text", \&cb)
1698		2999
1699	Queues a query to the client, calling the given callback with	3000	Queues a query to the client, calling the given callback with
1700	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3001	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1701	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3002	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1702		3003
1703	Queries can fail, so check the return code. Or don't, as queries will become	3004	Queries can fail, so check the return code. Or don't, as queries will
1704	reliable at some point in the future.	3005	become reliable at some point in the future.
1705		3006
1706	=cut	3007	=cut
1707		3008
1708	sub cf::client::query {	3009	sub cf::client::query {
1709	my ($self, $flags, $text, $cb) = @_;	3010	my ($self, $flags, $text, $cb) = @_;
…		…
1717	utf8::encode $text;	3018	utf8::encode $text;
1718	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3019	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1719		3020
1720	$self->send_packet ($self->{query_queue}[0][0])	3021	$self->send_packet ($self->{query_queue}[0][0])
1721	if @{ $self->{query_queue} } == 1;	3022	if @{ $self->{query_queue} } == 1;
		3023
		3024	1
1722	}	3025	}
1723		3026
1724	cf::client->attach (	3027	cf::client->attach (
		3028	on_connect => sub {
		3029	my ($ns) = @_;
		3030
		3031	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3032	},
1725	on_reply => sub {	3033	on_reply => sub {
1726	my ($ns, $msg) = @_;	3034	my ($ns, $msg) = @_;
1727		3035
1728	# this weird shuffling is so that direct followup queries	3036	# this weird shuffling is so that direct followup queries
1729	# get handled first	3037	# get handled first
1730	my $queue = delete $ns->{query_queue}	3038	my $queue = delete $ns->{query_queue}
1731	or return; # be conservative, not sure how that can happen, but we saw a crash here	3039	or return; # be conservative, not sure how that can happen, but we saw a crash here
1732		3040
1733	(shift @$queue)->[1]->($msg);	3041	(shift @$queue)->[1]->($msg);
		3042	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1734		3043
1735	push @{ $ns->{query_queue} }, @$queue;	3044	push @{ $ns->{query_queue} }, @$queue;
1736		3045
1737	if (@{ $ns->{query_queue} } == @$queue) {	3046	if (@{ $ns->{query_queue} } == @$queue) {
1738	if (@$queue) {	3047	if (@$queue) {
…		…
1740	} else {	3049	} else {
1741	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3050	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1742	}	3051	}
1743	}	3052	}
1744	},	3053	},
		3054	on_exticmd => sub {
		3055	my ($ns, $buf) = @_;
		3056
		3057	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3058
		3059	if (ref $msg) {
		3060	my ($type, $reply, @payload) =
		3061	"ARRAY" eq ref $msg
		3062	? @$msg
		3063	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3064
		3065	my @reply;
		3066
		3067	if (my $cb = $EXTICMD{$type}) {
		3068	@reply = $cb->($ns, @payload);
		3069	}
		3070
		3071	$ns->ext_reply ($reply, @reply)
		3072	if $reply;
		3073
		3074	} else {
		3075	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3076	}
		3077
		3078	cf::override;
		3079	},
1745	);	3080	);
1746		3081
1747	=item $client->coro (\&cb)	3082	=item $client->async (\&cb)
1748		3083
1749	Create a new coroutine, running the specified callback. The coroutine will	3084	Create a new coroutine, running the specified callback. The coroutine will
1750	be automatically cancelled when the client gets destroyed (e.g. on logout,	3085	be automatically cancelled when the client gets destroyed (e.g. on logout,
1751	or loss of connection).	3086	or loss of connection).
1752		3087
1753	=cut	3088	=cut
1754		3089
1755	sub cf::client::coro {	3090	sub cf::client::async {
1756	my ($self, $cb) = @_;	3091	my ($self, $cb) = @_;
1757		3092
1758	my $coro = &cf::async ($cb);	3093	my $coro = &Coro::async ($cb);
1759		3094
1760	$coro->on_destroy (sub {	3095	$coro->on_destroy (sub {
1761	delete $self->{_coro}{$coro+0};	3096	delete $self->{_coro}{$coro+0};
1762	});	3097	});
1763		3098
…		…
1790	our $safe = new Safe "safe";	3125	our $safe = new Safe "safe";
1791	our $safe_hole = new Safe::Hole;	3126	our $safe_hole = new Safe::Hole;
1792		3127
1793	$SIG{FPE} = 'IGNORE';	3128	$SIG{FPE} = 'IGNORE';
1794		3129
1795	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3130	$safe->permit_only (Opcode::opset qw(
		3131	:base_core :base_mem :base_orig :base_math
		3132	grepstart grepwhile mapstart mapwhile
		3133	sort time
		3134	));
1796		3135
1797	# here we export the classes and methods available to script code	3136	# here we export the classes and methods available to script code
1798		3137
1799	=pod	3138	=pod
1800		3139
1801	The following fucntions and emthods are available within a safe environment:	3140	The following functions and methods are available within a safe environment:
1802		3141
1803	cf::object contr pay_amount pay_player map	3142	cf::object
		3143	contr pay_amount pay_player map x y force_find force_add destroy
		3144	insert remove name archname title slaying race decrease split
		3145	value
		3146
1804	cf::object::player player	3147	cf::object::player
1805	cf::player peaceful	3148	player
1806	cf::map trigger	3149
		3150	cf::player
		3151	peaceful
		3152
		3153	cf::map
		3154	trigger
1807		3155
1808	=cut	3156	=cut
1809		3157
1810	for (	3158	for (
1811	["cf::object" => qw(contr pay_amount pay_player map)],	3159	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3160	insert remove inv nrof name archname title slaying race
		3161	decrease split destroy change_exp value msg lore send_msg)],
1812	["cf::object::player" => qw(player)],	3162	["cf::object::player" => qw(player)],
1813	["cf::player" => qw(peaceful)],	3163	["cf::player" => qw(peaceful send_msg)],
1814	["cf::map" => qw(trigger)],	3164	["cf::map" => qw(trigger)],
1815	) {	3165	) {
1816	no strict 'refs';	3166	no strict 'refs';
1817	my ($pkg, @funs) = @$_;	3167	my ($pkg, @funs) = @$_;
1818	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3168	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1835	my ($code, %vars) = @_;	3185	my ($code, %vars) = @_;
1836		3186
1837	my $qcode = $code;	3187	my $qcode = $code;
1838	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3188	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1839	$qcode =~ s/\n/\\n/g;	3189	$qcode =~ s/\n/\\n/g;
		3190
		3191	%vars = (_dummy => 0) unless %vars;
1840		3192
1841	local $_;	3193	local $_;
1842	local @safe::cf::_safe_eval_args = values %vars;	3194	local @safe::cf::_safe_eval_args = values %vars;
1843		3195
1844	my $eval =	3196	my $eval =
…		…
1887	=back	3239	=back
1888		3240
1889	=cut	3241	=cut
1890		3242
1891	#############################################################################	3243	#############################################################################
		3244	# the server's init and main functions
1892		3245
1893	=head2 EXTENSION DATABASE SUPPORT	3246	sub load_facedata($) {
		3247	my ($path) = @_;
1894		3248
1895	Crossfire maintains a very simple database for extension use. It can	3249	# HACK to clear player env face cache, we need some signal framework
1896	currently store anything that can be serialised using Storable, which	3250	# for this (global event?)
1897	excludes objects.	3251	%ext::player_env::MUSIC_FACE_CACHE = ();
1898		3252
1899	The parameter C<$family> should best start with the name of the extension	3253	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1900	using it, it should be unique.
1901		3254
1902	=over 4	3255	warn "loading facedata from $path\n";
1903		3256
1904	=item $hashref = cf::db_get $family	3257	my $facedata;
		3258	0 < aio_load $path, $facedata
		3259	or die "$path: $!";
1905		3260
1906	Return a hashref for use by the extension C<$family>, which can be	3261	$facedata = Coro::Storable::thaw $facedata;
1907	modified. After modifications, you have to call C<cf::db_dirty> or
1908	C<cf::db_sync>.
1909		3262
1910	=item $value = cf::db_get $family => $key	3263	$facedata->{version} == 2
		3264	or cf::cleanup "$path: version mismatch, cannot proceed.";
1911		3265
1912	Returns a single value from the database	3266	# patch in the exptable
1913		3267	$facedata->{resource}{"res/exp_table"} = {
1914	=item cf::db_put $family => $hashref	3268	type => FT_RSRC,
1915		3269	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1916	Stores the given family hashref into the database. Updates are delayed, if
1917	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_put $family => $key => $value
1920
1921	Stores the given C<$value> in the family hash. Updates are delayed, if you
1922	want the data to be synced to disk immediately, use C<cf::db_sync>.
1923
1924	=item cf::db_dirty
1925
1926	Marks the database as dirty, to be updated at a later time.
1927
1928	=item cf::db_sync
1929
1930	Immediately write the database to disk I<if it is dirty>.
1931
1932	=cut
1933
1934	our $DB;
1935
1936	{
1937	my $path = cf::localdir . "/database.pst";
1938
1939	sub db_load() {
1940	$DB = stat $path ? Storable::retrieve $path : { };
1941	}
1942
1943	my $pid;
1944
1945	sub db_save() {
1946	waitpid $pid, 0 if $pid;
1947	if (0 == ($pid = fork)) {
1948	$DB->{_meta}{version} = 1;
1949	Storable::nstore $DB, "$path~";
1950	rename "$path~", $path;
1951	cf::_exit 0 if defined $pid;
1952	}
1953	}
1954
1955	my $dirty;
1956
1957	sub db_sync() {
1958	db_save if $dirty;
1959	undef $dirty;
1960	}
1961
1962	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1963	db_sync;
1964	});	3270	};
		3271	cf::cede_to_tick;
1965		3272
1966	sub db_dirty() {
1967	$dirty = 1;
1968	$idle->start;
1969	}	3273	{
		3274	my $faces = $facedata->{faceinfo};
1970		3275
1971	sub db_get($;$) {	3276	while (my ($face, $info) = each %$faces) {
1972	@_ >= 2	3277	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1973	? $DB->{$_[0]}{$_[1]}
1974	: ($DB->{$_[0]} ||= { })
1975	}
1976		3278
1977	sub db_put($$;$) {	3279	cf::face::set_visibility $idx, $info->{visibility};
1978	if (@_ >= 3) {	3280	cf::face::set_magicmap $idx, $info->{magicmap};
1979	$DB->{$_[0]}{$_[1]} = $_[2];	3281	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
1980	} else {	3282	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1981	$DB->{$_[0]} = $_[1];
1982	}
1983	db_dirty;
1984	}
1985		3283
1986	cf::global->attach (	3284	cf::cede_to_tick;
1987	prio => 10000,
1988	on_cleanup => sub {
1989	db_sync;
1990	},	3285	}
1991	);
1992	}
1993		3286
1994	#############################################################################	3287	while (my ($face, $info) = each %$faces) {
1995	# the server's main()	3288	next unless $info->{smooth};
1996		3289
1997	sub cfg_load {	3290	my $idx = cf::face::find $face
		3291	or next;
		3292
		3293	if (my $smooth = cf::face::find $info->{smooth}) {
		3294	cf::face::set_smooth $idx, $smooth;
		3295	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3296	} else {
		3297	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3298	}
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302	}
		3303
		3304	{
		3305	my $anims = $facedata->{animinfo};
		3306
		3307	while (my ($anim, $info) = each %$anims) {
		3308	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3309	cf::cede_to_tick;
		3310	}
		3311
		3312	cf::anim::invalidate_all; # d'oh
		3313	}
		3314
		3315	{
		3316	# TODO: for gcfclient pleasure, we should give resources
		3317	# that gcfclient doesn't grok a >10000 face index.
		3318	my $res = $facedata->{resource};
		3319
		3320	while (my ($name, $info) = each %$res) {
		3321	if (defined $info->{type}) {
		3322	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3323	my $data;
		3324
		3325	if ($info->{type} & 1) {
		3326	# prepend meta info
		3327
		3328	my $meta = $enc->encode ({
		3329	name => $name,
		3330	%{ $info->{meta} || {} },
		3331	});
		3332
		3333	$data = pack "(w/a*)*", $meta, $info->{data};
		3334	} else {
		3335	$data = $info->{data};
		3336	}
		3337
		3338	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3339	cf::face::set_type $idx, $info->{type};
		3340	} else {
		3341	$RESOURCE{$name} = $info;
		3342	}
		3343
		3344	cf::cede_to_tick;
		3345	}
		3346	}
		3347
		3348	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3349
		3350	1
		3351	}
		3352
		3353	cf::global->attach (on_resource_update => sub {
		3354	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3355	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3356
		3357	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3358	my $sound = $soundconf->{compat}[$_]
		3359	or next;
		3360
		3361	my $face = cf::face::find "sound/$sound->[1]";
		3362	cf::sound::set $sound->[0] => $face;
		3363	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3364	}
		3365
		3366	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3367	my $face = cf::face::find "sound/$v";
		3368	cf::sound::set $k => $face;
		3369	}
		3370	}
		3371	});
		3372
		3373	register_exticmd fx_want => sub {
		3374	my ($ns, $want) = @_;
		3375
		3376	while (my ($k, $v) = each %$want) {
		3377	$ns->fx_want ($k, $v);
		3378	}
		3379	};
		3380
		3381	sub load_resource_file($) {
		3382	my $guard = lock_acquire "load_resource_file";
		3383
		3384	my $status = load_resource_file_ $_[0];
		3385	get_slot 0.1, 100;
		3386	cf::arch::commit_load;
		3387
		3388	$status
		3389	}
		3390
		3391	sub reload_regions {
		3392	# HACK to clear player env face cache, we need some signal framework
		3393	# for this (global event?)
		3394	%ext::player_env::MUSIC_FACE_CACHE = ();
		3395
		3396	load_resource_file "$MAPDIR/regions"
		3397	or die "unable to load regions file\n";
		3398
		3399	for (cf::region::list) {
		3400	$_->{match} = qr/$_->{match}/
		3401	if exists $_->{match};
		3402	}
		3403	}
		3404
		3405	sub reload_facedata {
		3406	load_facedata "$DATADIR/facedata"
		3407	or die "unable to load facedata\n";
		3408	}
		3409
		3410	sub reload_archetypes {
		3411	load_resource_file "$DATADIR/archetypes"
		3412	or die "unable to load archetypes\n";
		3413	}
		3414
		3415	sub reload_treasures {
		3416	load_resource_file "$DATADIR/treasures"
		3417	or die "unable to load treasurelists\n";
		3418	}
		3419
		3420	sub reload_resources {
		3421	warn "reloading resource files...\n";
		3422
		3423	reload_facedata;
		3424	reload_archetypes;
		3425	reload_regions;
		3426	reload_treasures;
		3427
		3428	warn "finished reloading resource files\n";
		3429	}
		3430
		3431	sub reload_config {
		3432	warn "reloading config file...\n";
		3433
1998	open my $fh, "<:utf8", cf::confdir . "/config"	3434	open my $fh, "<:utf8", "$CONFDIR/config"
1999	or return;	3435	or return;
2000		3436
2001	local $/;	3437	local $/;
2002	*CFG = YAML::Syck::Load <$fh>;	3438	*CFG = YAML::XS::Load scalar <$fh>;
2003		3439
2004	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3440	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3441
		3442	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3443	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2005		3444
2006	if (exists $CFG{mlockall}) {	3445	if (exists $CFG{mlockall}) {
2007	eval {	3446	eval {
2008	$CFG{mlockall} ? &mlockall : &munlockall	3447	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2009	and die "WARNING: m(un)lockall failed: $!\n";	3448	and die "WARNING: m(un)lockall failed: $!\n";
2010	};	3449	};
2011	warn $@ if $@;	3450	warn $@ if $@;
2012	}	3451	}
		3452
		3453	warn "finished reloading resource files\n";
		3454	}
		3455
		3456	sub pidfile() {
		3457	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3458	or die "$PIDFILE: $!";
		3459	flock $fh, &Fcntl::LOCK_EX
		3460	or die "$PIDFILE: flock: $!";
		3461	$fh
		3462	}
		3463
		3464	# make sure only one server instance is running at any one time
		3465	sub atomic {
		3466	my $fh = pidfile;
		3467
		3468	my $pid = <$fh>;
		3469	kill 9, $pid if $pid > 0;
		3470
		3471	seek $fh, 0, 0;
		3472	print $fh $$;
		3473	}
		3474
		3475	sub main_loop {
		3476	warn "EV::loop starting\n";
		3477	if (1) {
		3478	EV::loop;
		3479	}
		3480	warn "EV::loop returned\n";
		3481	goto &main_loop unless $REALLY_UNLOOP;
2013	}	3482	}
2014		3483
2015	sub main {	3484	sub main {
		3485	cf::init_globals; # initialise logging
		3486
		3487	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3488	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3489	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3490	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3491
		3492	cf::init_experience;
		3493	cf::init_anim;
		3494	cf::init_attackmess;
		3495	cf::init_dynamic;
		3496
		3497	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3498
2016	# we must not ever block the main coroutine	3499	# we must not ever block the main coroutine
2017	local $Coro::idle = sub {	3500	local $Coro::idle = sub {
2018	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3501	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2019	(Coro::unblock_sub {	3502	(async {
2020	Event::one_event;	3503	$Coro::current->{desc} = "IDLE BUG HANDLER";
2021	})->();	3504	EV::loop EV::LOOP_ONESHOT;
		3505	})->prio (Coro::PRIO_MAX);
2022	};	3506	};
2023		3507
2024	cfg_load;	3508	evthread_start IO::AIO::poll_fileno;
2025	db_load;	3509
		3510	cf::sync_job {
		3511	reload_resources;
		3512	reload_config;
		3513	db_init;
		3514
		3515	cf::load_settings;
		3516	cf::load_materials;
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
2026	load_extensions;	3526	load_extensions;
2027	Event::loop;	3527
		3528	utime time, time, $RUNTIMEFILE;
		3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
		3535	};
		3536
		3537	main_loop;
2028	}	3538	}
2029		3539
2030	#############################################################################	3540	#############################################################################
2031	# initialisation	3541	# initialisation and cleanup
2032		3542
		3543	# install some emergency cleanup handlers
		3544	BEGIN {
		3545	our %SIGWATCHER = ();
		3546	for my $signal (qw(INT HUP TERM)) {
		3547	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3548	cf::cleanup "SIG$signal";
		3549	};
		3550	}
		3551	}
		3552
		3553	sub write_runtime_sync {
		3554	# first touch the runtime file to show we are still running:
		3555	# the fsync below can take a very very long time.
		3556
		3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3558
		3559	my $guard = cf::lock_acquire "write_runtime";
		3560
		3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3562	or return;
		3563
		3564	my $value = $cf::RUNTIME + 90 + 10;
		3565	# 10 is the runtime save interval, for a monotonic clock
		3566	# 60 allows for the watchdog to kill the server.
		3567
		3568	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3569	and return;
		3570
		3571	# always fsync - this file is important
		3572	aio_fsync $fh
		3573	and return;
		3574
		3575	# touch it again to show we are up-to-date
		3576	aio_utime $fh, undef, undef;
		3577
		3578	close $fh
		3579	or return;
		3580
		3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3582	and return;
		3583
		3584	warn "runtime file written.\n";
		3585
		3586	1
		3587	}
		3588
		3589	our $uuid_lock;
		3590	our $uuid_skip;
		3591
		3592	sub write_uuid_sync($) {
		3593	$uuid_skip ||= $_[0];
		3594
		3595	return if $uuid_lock;
		3596	local $uuid_lock = 1;
		3597
		3598	my $uuid = "$LOCALDIR/uuid";
		3599
		3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3601	or return;
		3602
		3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
		3611	$uuid_skip = 0;
		3612
		3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3614	and return;
		3615
		3616	# always fsync - this file is important
		3617	aio_fsync $fh
		3618	and return;
		3619
		3620	close $fh
		3621	or return;
		3622
		3623	aio_rename "$uuid~", $uuid
		3624	and return;
		3625
		3626	warn "uuid file written ($value).\n";
		3627
		3628	1
		3629
		3630	}
		3631
		3632	sub write_uuid($$) {
		3633	my ($skip, $sync) = @_;
		3634
		3635	$sync ? write_uuid_sync $skip
		3636	: async { write_uuid_sync $skip };
		3637	}
		3638
		3639	sub emergency_save() {
		3640	my $freeze_guard = cf::freeze_mainloop;
		3641
		3642	warn "emergency_perl_save: enter\n";
		3643
		3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
		3650	# use a peculiar iteration method to avoid tripping on perl
		3651	# refcount bugs in for. also avoids problems with players
		3652	# and maps saved/destroyed asynchronously.
		3653	warn "emergency_perl_save: begin player save\n";
		3654	for my $login (keys %cf::PLAYER) {
		3655	my $pl = $cf::PLAYER{$login} or next;
		3656	$pl->valid or next;
		3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3658	$pl->save;
		3659	}
		3660	warn "emergency_perl_save: end player save\n";
		3661
		3662	warn "emergency_perl_save: begin map save\n";
		3663	for my $path (keys %cf::MAP) {
		3664	my $map = $cf::MAP{$path} or next;
		3665	$map->valid or next;
		3666	$map->save;
		3667	}
		3668	warn "emergency_perl_save: end map save\n";
		3669
		3670	warn "emergency_perl_save: begin database checkpoint\n";
		3671	BDB::db_env_txn_checkpoint $DB_ENV;
		3672	warn "emergency_perl_save: end database checkpoint\n";
		3673
		3674	warn "emergency_perl_save: begin write uuid\n";
		3675	write_uuid_sync 1;
		3676	warn "emergency_perl_save: end write uuid\n";
		3677	};
		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
		3684	warn "emergency_perl_save: leave\n";
		3685	}
		3686
		3687	sub post_cleanup {
		3688	my ($make_core) = @_;
		3689
		3690	warn Carp::longmess "post_cleanup backtrace"
		3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
		3721	}
		3722
2033	sub reload() {	3723	sub do_reload_perl() {
2034	# can/must only be called in main	3724	# can/must only be called in main
2035	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
2036	warn "can only reload from main coroutine\n";	3726	warn "can only reload from main coroutine";
2037	return;	3727	return;
2038	}	3728	}
2039		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
2040	warn "reloading...";	3735	warn "reloading...";
2041		3736
2042	my $guard = freeze_mainloop;	3737	warn "entering sync_job";
		3738
		3739	cf::sync_job {
		3740	cf::write_runtime_sync; # external watchdog should not bark
2043	cf::emergency_save;	3741	cf::emergency_save;
		3742	cf::write_runtime_sync; # external watchdog should not bark
2044		3743
2045	eval {	3744	warn "syncing database to disk";
		3745	BDB::db_env_txn_checkpoint $DB_ENV;
		3746
2046	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
2047		3748
2048	# cancel all watchers	3749	warn "flushing outstanding aio requests";
2049	for (Event::all_watchers) {	3750	while (IO::AIO::nreqs || BDB::nreqs) {
2050	$_->cancel if $_->data & WF_AUTOCANCEL;	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2051	}
2052
2053	# cancel all extension coros
2054	$_->cancel for values %EXT_CORO;
2055	%EXT_CORO = ();
2056
2057	# unload all extensions
2058	for (@exts) {
2059	warn "unloading <$_>";
2060	unload_extension $_;
2061	}
2062
2063	# unload all modules loaded from $LIBDIR
2064	while (my ($k, $v) = each %INC) {
2065	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2066
2067	warn "removing <$k>";
2068	delete $INC{$k};
2069
2070	$k =~ s/\.pm$//;
2071	$k =~ s/\//::/g;
2072
2073	if (my $cb = $k->can ("unload_module")) {
2074	$cb->();
2075	}	3752	}
2076		3753
2077	Symbol::delete_package $k;	3754	warn "cancelling all extension coros";
		3755	$_->cancel for values %EXT_CORO;
		3756	%EXT_CORO = ();
		3757
		3758	warn "removing commands";
		3759	%COMMAND = ();
		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
		3767	warn "... unloading $pkg";
		3768
		3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
		3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
2078	}	3778	}
2079		3779
2080	# sync database to disk	3780	warn "unloading all perl modules loaded from $LIBDIR";
2081	cf::db_sync;	3781	while (my ($k, $v) = each %INC) {
2082	IO::AIO::flush;	3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2083		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
		3795	}
		3796
2084	# get rid of safe::, as good as possible	3797	warn "getting rid of safe::, as good as possible";
2085	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
2086	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2087		3800
2088	# remove register_script_function callbacks	3801	warn "unloading cf.pm \"a bit\"";
2089	# TODO
2090
2091	# unload cf.pm "a bit"
2092	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
		3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2093		3804
2094	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
2095	# and global variables created in xs	3806	# and global variables created in xs
2096	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
2097		3808
2098	# reload cf.pm	3809	warn "unload completed, starting to reload now";
		3810
2099	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
2100	require cf;	3812	require cf;
2101	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
2102		3814
2103	# load config and database again	3815	warn "loading config and database again";
2104	cf::cfg_load;	3816	cf::reload_config;
2105	cf::db_load;
2106		3817
2107	# load extensions
2108	warn "load extensions";	3818	warn "loading extensions";
2109	cf::load_extensions;	3819	cf::load_extensions;
2110		3820
2111	# reattach attachments to objects	3821	if ($REATTACH_ON_RELOAD) {
		3822	warn "reattaching attachments to objects/players";
		3823	_global_reattach; # objects, sockets
		3824	warn "reattaching attachments to maps";
		3825	reattach $_ for values %MAP;
		3826	warn "reattaching attachments to players";
		3827	reattach $_ for values %PLAYER;
		3828	}
		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
		3833	warn "leaving sync_job";
		3834
		3835	1
		3836	} or do {
		3837	warn $@;
		3838	cf::cleanup "error while reloading, exiting.";
		3839	};
		3840
2112	warn "reattach";	3841	warn "reloaded";
2113	_global_reattach;	3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
		3847	};
		3848
		3849	our $RELOAD_WATCHER; # used only during reload
		3850
		3851	sub reload_perl() {
		3852	# doing reload synchronously and two reloads happen back-to-back,
		3853	# coro crashes during coro_state_free->destroy here.
		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
		3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3859	do_reload_perl;
		3860	undef $RELOAD_WATCHER;
		3861	};
2114	};	3862	};
2115
2116	if ($@) {
2117	warn $@;
2118	warn "error while reloading, exiting.";
2119	exit 1;
2120	}
2121
2122	warn "reloaded successfully";
2123	};
2124
2125	#############################################################################
2126
2127	unless ($LINK_MAP) {
2128	$LINK_MAP = cf::map::new;
2129
2130	$LINK_MAP->width (41);
2131	$LINK_MAP->height (41);
2132	$LINK_MAP->alloc;
2133	$LINK_MAP->path ("{link}");
2134	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2135	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2136
2137	# dirty hack because... archetypes are not yet loaded
2138	Event->timer (
2139	after => 2,
2140	cb => sub {
2141	$_[0]->w->cancel;
2142
2143	# provide some exits "home"
2144	my $exit = cf::object::new "exit";
2145
2146	$exit->slaying ($EMERGENCY_POSITION->[0]);
2147	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2148	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2149
2150	$LINK_MAP->insert ($exit->clone, 19, 19);
2151	$LINK_MAP->insert ($exit->clone, 19, 20);
2152	$LINK_MAP->insert ($exit->clone, 19, 21);
2153	$LINK_MAP->insert ($exit->clone, 20, 19);
2154	$LINK_MAP->insert ($exit->clone, 20, 21);
2155	$LINK_MAP->insert ($exit->clone, 21, 19);
2156	$LINK_MAP->insert ($exit->clone, 21, 20);
2157	$LINK_MAP->insert ($exit->clone, 21, 21);
2158
2159	$exit->destroy;
2160	});
2161
2162	$LINK_MAP->{deny_save} = 1;
2163	$LINK_MAP->{deny_reset} = 1;
2164
2165	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2166	}	3863	}
2167
2168	register "<global>", __PACKAGE__;
2169		3864
2170	register_command "reload" => sub {	3865	register_command "reload" => sub {
2171	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
2172		3867
2173	if ($who->flag (FLAG_WIZ)) {	3868	if ($who->flag (FLAG_WIZ)) {
2174	$who->message ("start of reload.");
2175	reload;
2176	$who->message ("end of reload.");	3869	$who->message ("reloading server.");
		3870	async {
		3871	$Coro::current->{desc} = "perl_reload";
		3872	reload_perl;
		3873	};
2177	}	3874	}
2178	};	3875	};
2179		3876
2180	unshift @INC, $LIBDIR;	3877	unshift @INC, $LIBDIR;
2181		3878
2182	$TICK_WATCHER = Event->timer (	3879	my $bug_warning = 0;
2183	reentrant => 0,	3880
2184	prio => 0,	3881	our @WAIT_FOR_TICK;
2185	at => $NEXT_TICK || $TICK,	3882	our @WAIT_FOR_TICK_BEGIN;
2186	data => WF_AUTOCANCEL,	3883
2187	cb => sub {	3884	sub wait_for_tick {
		3885	return if tick_inhibit || $Coro::current == $Coro::main;
		3886
		3887	my $signal = new Coro::Signal;
		3888	push @WAIT_FOR_TICK, $signal;
		3889	$signal->wait;
		3890	}
		3891
		3892	sub wait_for_tick_begin {
		3893	return if tick_inhibit || $Coro::current == $Coro::main;
		3894
		3895	my $signal = new Coro::Signal;
		3896	push @WAIT_FOR_TICK_BEGIN, $signal;
		3897	$signal->wait;
		3898	}
		3899
		3900	sub tick {
		3901	if ($Coro::current != $Coro::main) {
		3902	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3903	unless ++$bug_warning > 10;
		3904	return;
		3905	}
		3906
2188	cf::server_tick; # one server iteration	3907	cf::server_tick; # one server iteration
2189	$RUNTIME += $TICK;
2190	$NEXT_TICK += $TICK;
2191		3908
2192	# if we are delayed by four ticks or more, skip them all	3909	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2193	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3910	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2194		3911	Coro::async_pool {
2195	$TICK_WATCHER->at ($NEXT_TICK);	3912	$Coro::current->{desc} = "runtime saver";
2196	$TICK_WATCHER->start;
2197	},
2198	);
2199
2200	IO::AIO::max_poll_time $TICK * 0.2;
2201
2202	Event->io (
2203	fd => IO::AIO::poll_fileno,
2204	poll => 'r',
2205	prio => 5,
2206	data => WF_AUTOCANCEL,
2207	cb => \&IO::AIO::poll_cb,
2208	);
2209
2210	Event->timer (
2211	data => WF_AUTOCANCEL,
2212	after => 0,
2213	interval => 10,
2214	cb => sub {
2215	(Coro::unblock_sub {
2216	write_runtime	3913	write_runtime_sync
2217	or warn "ERROR: unable to write runtime file: $!";	3914	or warn "ERROR: unable to write runtime file: $!";
2218	})->();	3915	};
2219	},	3916	}
2220	);	3917
		3918	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3919	$sig->send;
		3920	}
		3921	while (my $sig = shift @WAIT_FOR_TICK) {
		3922	$sig->send;
		3923	}
		3924
		3925	$LOAD = ($NOW - $TICK_START) / $TICK;
		3926	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3927
		3928	if (0) {
		3929	if ($NEXT_TICK) {
		3930	my $jitter = $TICK_START - $NEXT_TICK;
		3931	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3932	warn "jitter $JITTER\n";#d#
		3933	}
		3934	}
		3935	}
		3936
		3937	{
		3938	# configure BDB
		3939
		3940	BDB::min_parallel 8;
		3941	BDB::max_poll_reqs $TICK * 0.1;
		3942	$AnyEvent::BDB::WATCHER->priority (1);
		3943
		3944	unless ($DB_ENV) {
		3945	$DB_ENV = BDB::db_env_create;
		3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3951
		3952	cf::sync_job {
		3953	eval {
		3954	BDB::db_env_open
		3955	$DB_ENV,
		3956	$BDBDIR,
		3957	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3958	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3959	0666;
		3960
		3961	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3962	};
		3963
		3964	cf::cleanup "db_env_open(db): $@" if $@;
		3965	};
		3966	}
		3967
		3968	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3969	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3970	};
		3971	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3972	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3973	};
		3974	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3975	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3976	};
		3977	}
		3978
		3979	{
		3980	# configure IO::AIO
		3981
		3982	IO::AIO::min_parallel 8;
		3983	IO::AIO::max_poll_time $TICK * 0.1;
		3984	undef $AnyEvent::AIO::WATCHER;
		3985	}
		3986
		3987	my $_log_backtrace;
		3988
		3989	sub _log_backtrace {
		3990	my ($msg, @addr) = @_;
		3991
		3992	$msg =~ s/\n//;
		3993
		3994	# limit the # of concurrent backtraces
		3995	if ($_log_backtrace < 2) {
		3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
		3998	async {
		3999	$Coro::current->{desc} = "abt $msg";
		4000
		4001	my @bt = fork_call {
		4002	@addr = map { sprintf "%x", $_ } @addr;
		4003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4005	or die "addr2line: $!";
		4006
		4007	my @funcs;
		4008	my @res = <$fh>;
		4009	chomp for @res;
		4010	while (@res) {
		4011	my ($func, $line) = splice @res, 0, 2, ();
		4012	push @funcs, "[$func] $line";
		4013	}
		4014
		4015	@funcs
		4016	};
		4017
		4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4020	LOG llevInfo, "[ABT] $_\n" for @bt;
		4021	--$_log_backtrace;
		4022	};
		4023	} else {
		4024	LOG llevInfo, "[ABT] $msg\n";
		4025	LOG llevInfo, "[ABT] [suppressed]\n";
		4026	}
		4027	}
		4028
		4029	# load additional modules
		4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
2221		4032
2222	END { cf::emergency_save }	4033	END { cf::emergency_save }
2223		4034
2224	1	4035	1
2225		4036

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