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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.505 by root, Sun Jan 31 03:46:20 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # 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	Carp::cluck "error in event callback: @_";
148	};	295	};
149		296
150	my %ext_pkg;	297	#############################################################################
151	my @exts;
152	my @hook;
153		298
154	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
155		300
156	=over 4	301	=over 4
157		302
158	=cut	303	=item dumpval $ref
159		304
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
161		306
		307	sub dumpval {
		308	eval {
		309	local $SIG{__DIE__};
		310	my $d;
		311	if (1) {
		312	$d = new Data::Dumper([$_[0]], ["*var"]);
		313	$d->Terse(1);
		314	$d->Indent(2);
		315	$d->Quotekeys(0);
		316	$d->Useqq(1);
		317	#$d->Bless(...);
		318	$d->Seen($_[1]) if @_ > 1;
		319	$d = $d->Dump();
		320	}
		321	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		322	$d
		323	} || "[unable to dump $_[0]: '$@']";
		324	}
		325
162	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
163		327
164	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
165		329
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
174		331
175	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
176		333
177	=cut	334	=cut
178		335
179	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
181	JSON::Syck::Dump $_[0]	338	sub encode_json($) { $json_coder->encode ($_[0]) }
		339	sub decode_json($) { $json_coder->decode ($_[0]) }
		340
		341	=item cf::post_init { BLOCK }
		342
		343	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		344	but I<before> the server starts ticking again.
		345
		346	The cdoeblock will have a single boolean argument to indicate whether this
		347	is a reload or not.
		348
		349	=cut
		350
		351	sub post_init(&) {
		352	push @POST_INIT, shift;
182	}	353	}
183		354
184	=item cf::lock_wait $string	355	=item cf::lock_wait $string
185		356
186	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
187		358
188	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
189		360
190	Wait until the given lock is available and then acquires it and returns	361	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	362	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
193	returned.	364	returned.
194		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
195	Lock names should begin with a unique identifier (for example, cf::map::find	369	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
197		371
198	=cut	372	=item $locked = cf::lock_active $string
199		373
200	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
201		379
202	sub lock_wait($) {	380	sub lock_wait($) {
203	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	382	}
211		383
212	sub lock_acquire($) {	384	sub lock_acquire($) {
213	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
214		387
215	# wait, to be sure we are not locked	388	sub lock_active($) {
216	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
217
218	$LOCK{$key} = [];
219
220	Coro::guard {
221	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };
223	}
224	}	390	}
225		391
226	sub freeze_mainloop {	392	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
228		394
229	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
230	$TICK_WATCHER->stop;	396	}
231	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428	our $SLOT_DECAY = 0.9;
		429
		430	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		431	$SLOT_QUEUE = Coro::async {
		432	$Coro::current->desc ("timeslot manager");
		433
		434	my $signal = new Coro::Signal;
		435	my $busy;
		436
		437	while () {
		438	next_job:
		439
		440	my $avail = cf::till_tick;
		441
		442	for (0 .. $#SLOT_QUEUE) {
		443	if ($SLOT_QUEUE[$_][0] <= $avail) {
		444	$busy = 0;
		445	my $job = splice @SLOT_QUEUE, $_, 1, ();
		446	$job->[2]->send;
		447	Coro::cede;
		448	goto next_job;
		449	} else {
		450	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		451	}
		452	}
		453
		454	if (@SLOT_QUEUE) {
		455	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		456	push @cf::WAIT_FOR_TICK, $signal;
		457	$signal->wait;
		458	} else {
		459	$busy = 0;
		460	Coro::schedule;
		461	}
		462	}
		463	};
		464
		465	sub get_slot($;$$) {
		466	return if tick_inhibit || $Coro::current == $Coro::main;
		467
		468	my ($time, $pri, $name) = @_;
		469
		470	$time = clamp $time, 0.01, $TICK * .6;
		471
		472	my $sig = new Coro::Signal;
		473
		474	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		475	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		476	$SLOT_QUEUE->ready;
		477	$sig->wait;
232	}	478	}
233		479
234	=item cf::async { BLOCK }	480	=item cf::async { BLOCK }
235		481
236	Currently the same as Coro::async_pool, meaning you cannot use	482	Currently the same as Coro::async_pool, meaning you cannot use
…		…
241		487
242	BEGIN { *async = \&Coro::async_pool }	488	BEGIN { *async = \&Coro::async_pool }
243		489
244	=item cf::sync_job { BLOCK }	490	=item cf::sync_job { BLOCK }
245		491
246	The design of crossfire+ requires that the main coro ($Coro::main) is	492	The design of Deliantra requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	493	is always able to handle events or runnable, as Deliantra is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	494	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		495	acceptable.
249		496
250	If it must be done, put the blocking parts into C<sync_job>. This will run	497	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	498	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	499	server will be frozen during this time, so the block should either finish
253	fast or be very important.	500	fast or be very important.
…		…
256		503
257	sub sync_job(&) {	504	sub sync_job(&) {
258	my ($job) = @_;	505	my ($job) = @_;
259		506
260	if ($Coro::current == $Coro::main) {	507	if ($Coro::current == $Coro::main) {
		508	my $time = EV::time;
		509
261	# this is the main coro, too bad, we have to block	510	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	511	# till the operation succeeds, freezing the server :/
263		512
264	# TODO: use suspend/resume instead	513	LOG llevError, Carp::longmess "sync job";#d#
265	# (but this is cancel-safe)	514
266	my $freeze_guard = freeze_mainloop;	515	my $freeze_guard = freeze_mainloop;
267		516
268	my $busy = 1;	517	my $busy = 1;
269	my @res;	518	my @res;
270		519
271	(async {	520	(async {
		521	$Coro::current->desc ("sync job coro");
272	@res = eval { $job->() };	522	@res = eval { $job->() };
273	warn $@ if $@;	523	warn $@ if $@;
274	undef $busy;	524	undef $busy;
275	})->prio (Coro::PRIO_MAX);	525	})->prio (Coro::PRIO_MAX);
276		526
277	while ($busy) {	527	while ($busy) {
278	unless (Coro::cede) {	528	if (Coro::nready) {
279	Coro::nready ? Event::one_event 0 : Event::one_event;
280	Coro::cede_notself unless Coro::cede;	529	Coro::cede_notself;
		530	} else {
		531	EV::loop EV::LOOP_ONESHOT;
281	}	532	}
282	}	533	}
		534
		535	my $time = EV::time - $time;
		536
		537	$TICK_START += $time; # do not account sync jobs to server load
283		538
284	wantarray ? @res : $res[0]	539	wantarray ? @res : $res[0]
285	} else {	540	} else {
286	# we are in another coroutine, how wonderful, everything just works	541	# we are in another coroutine, how wonderful, everything just works
287		542
…		…
289	}	544	}
290	}	545	}
291		546
292	=item $coro = cf::async_ext { BLOCK }	547	=item $coro = cf::async_ext { BLOCK }
293		548
294	Like async, but this coro is automcatially being canceled when the	549	Like async, but this coro is automatically being canceled when the
295	extension calling this is being unloaded.	550	extension calling this is being unloaded.
296		551
297	=cut	552	=cut
298		553
299	sub async_ext(&) {	554	sub async_ext(&) {
…		…
307	$EXT_CORO{$coro+0} = $coro;	562	$EXT_CORO{$coro+0} = $coro;
308		563
309	$coro	564	$coro
310	}	565	}
311		566
312	sub write_runtime {	567	=item fork_call { }, $args
313	my $runtime = cf::localdir . "/runtime";
314		568
315	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	569	Executes the given code block with the given arguments in a seperate
316	or return;	570	process, returning the results. Everything must be serialisable with
		571	Coro::Storable. May, of course, block. Note that the executed sub may
		572	never block itself or use any form of event handling.
317		573
318	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	574	=cut
319	(aio_write $fh, 0, (length $value), $value, 0) <= 0
320	and return;
321		575
322	aio_fsync $fh	576	sub fork_call(&@) {
323	and return;	577	my ($cb, @args) = @_;
324		578
325	close $fh	579	# we seemingly have to make a local copy of the whole thing,
326	or return;	580	# otherwise perl prematurely frees the stuff :/
		581	# TODO: investigate and fix (likely this will be rather laborious)
327		582
328	aio_rename "$runtime~", $runtime	583	my @res = Coro::Util::fork_eval {
329	and return;	584	reset_signals;
		585	&$cb
		586	}, @args;
330		587
		588	wantarray ? @res : $res[-1]
		589	}
		590
		591	=item $coin = coin_from_name $name
		592
		593	=cut
		594
		595	our %coin_alias = (
		596	"silver" => "silvercoin",
		597	"silvercoin" => "silvercoin",
		598	"silvercoins" => "silvercoin",
		599	"gold" => "goldcoin",
		600	"goldcoin" => "goldcoin",
		601	"goldcoins" => "goldcoin",
		602	"platinum" => "platinacoin",
		603	"platinumcoin" => "platinacoin",
		604	"platinumcoins" => "platinacoin",
		605	"platina" => "platinacoin",
		606	"platinacoin" => "platinacoin",
		607	"platinacoins" => "platinacoin",
		608	"royalty" => "royalty",
		609	"royalties" => "royalty",
		610	);
		611
		612	sub coin_from_name($) {
		613	$coin_alias{$_[0]}
		614	? cf::arch::find $coin_alias{$_[0]}
		615	: undef
		616	}
		617
		618	=item $value = cf::db_get $family => $key
		619
		620	Returns a single value from the environment database.
		621
		622	=item cf::db_put $family => $key => $value
		623
		624	Stores the given C<$value> in the family. It can currently store binary
		625	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		626
		627	=item $db = cf::db_table "name"
		628
		629	Create and/or open a new database table. The string must not be "db" and must be unique
		630	within each server.
		631
		632	=cut
		633
		634	sub db_table($) {
		635	my ($name) = @_;
		636	my $db = BDB::db_create $DB_ENV;
		637
		638	eval {
		639	$db->set_flags (BDB::CHKSUM);
		640
		641	utf8::encode $name;
		642	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		643	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		644	cf::cleanup "db_open(db): $!" if $!;
		645	};
		646	cf::cleanup "db_open(db): $@" if $@;
		647
		648	$db
		649	}
		650
		651	our $DB;
		652
		653	sub db_init {
		654	cf::sync_job {
		655	$DB ||= db_table "db";
		656	};
		657	}
		658
		659	sub db_get($$) {
		660	my $key = "$_[0]/$_[1]";
		661
		662	cf::sync_job {
		663	BDB::db_get $DB, undef, $key, my $data;
		664
		665	$! ? ()
		666	: $data
331	1	667	}
		668	}
		669
		670	sub db_put($$$) {
		671	BDB::dbreq_pri 4;
		672	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		673	}
		674
		675	=item cf::cache $id => [$paths...], $processversion => $process
		676
		677	Generic caching function that returns the value of the resource $id,
		678	caching and regenerating as required.
		679
		680	This function can block.
		681
		682	=cut
		683
		684	sub cache {
		685	my ($id, $src, $processversion, $process) = @_;
		686
		687	my $meta =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	aio_stat $_
		692	and Carp::croak "$_: $!";
		693
		694	($_, (stat _)[7,9])
		695	} @$src;
		696
		697	my $dbmeta = db_get cache => "$id/meta";
		698	if ($dbmeta ne $meta) {
		699	# changed, we may need to process
		700
		701	my @data;
		702	my $md5;
		703
		704	for (0 .. $#$src) {
		705	0 <= aio_load $src->[$_], $data[$_]
		706	or Carp::croak "$src->[$_]: $!";
		707	}
		708
		709	# if processing is expensive, check
		710	# checksum first
		711	if (1) {
		712	$md5 =
		713	join "\x00",
		714	$processversion,
		715	map {
		716	cf::cede_to_tick;
		717	($src->[$_], Digest::MD5::md5_hex $data[$_])
		718	} 0.. $#$src;
		719
		720
		721	my $dbmd5 = db_get cache => "$id/md5";
		722	if ($dbmd5 eq $md5) {
		723	db_put cache => "$id/meta", $meta;
		724
		725	return db_get cache => "$id/data";
		726	}
		727	}
		728
		729	my $t1 = Time::HiRes::time;
		730	my $data = $process->(\@data);
		731	my $t2 = Time::HiRes::time;
		732
		733	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		734
		735	db_put cache => "$id/data", $data;
		736	db_put cache => "$id/md5" , $md5;
		737	db_put cache => "$id/meta", $meta;
		738
		739	return $data;
		740	}
		741
		742	db_get cache => "$id/data"
		743	}
		744
		745	=item cf::datalog type => key => value, ...
		746
		747	Log a datalog packet of the given type with the given key-value pairs.
		748
		749	=cut
		750
		751	sub datalog($@) {
		752	my ($type, %kv) = @_;
		753	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
332	}	754	}
333		755
334	=back	756	=back
335		757
336	=cut	758	=cut
337		759
338	#############################################################################	760	#############################################################################
339		761
340	package cf::path;
341
342	sub new {
343	my ($class, $path, $base) = @_;
344
345	$path = $path->as_string if ref $path;
346
347	my $self = bless { }, $class;
348
349	# {... are special paths that are not touched
350	# ?xxx/... are special absolute paths
351	# ?random/... random maps
352	# /! non-realised random map exit
353	# /... normal maps
354	# ~/... per-player maps without a specific player (DO NOT USE)
355	# ~user/... per-player map of a specific user
356
357	if ($path =~ /^{/) {
358	# fine as it is
359	} elsif ($path =~ s{^\?random/}{}) {
360	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361	$self->{random} = cf::from_json $data;
362	} else {
363	if ($path =~ s{^~([^/]+)?}{}) {
364	$self->{user_rel} = 1;
365
366	if (defined $1) {
367	$self->{user} = $1;
368	} elsif ($base =~ m{^~([^/]+)/}) {
369	$self->{user} = $1;
370	} else {
371	warn "cannot resolve user-relative path without user <$path,$base>\n";
372	}
373	} elsif ($path =~ /^\//) {
374	# already absolute
375	} else {
376	$base =~ s{[^/]+/?$}{};
377	return $class->new ("$base/$path");
378	}
379
380	for ($path) {
381	redo if s{/\.?/}{/};
382	redo if s{/[^/]+/\.\./}{/};
383	}
384	}
385
386	$self->{path} = $path;
387
388	$self
389	}
390
391	# the name / primary key / in-game path
392	sub as_string {
393	my ($self) = @_;
394
395	$self->{user_rel} ? "~$self->{user}$self->{path}"
396	: $self->{random} ? "?random/$self->{path}"
397	: $self->{path}
398	}
399
400	# the displayed name, this is a one way mapping
401	sub visible_name {
402	my ($self) = @_;
403
404	# if (my $rmp = $self->{random}) {
405	# # todo: be more intelligent about this
406	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407	# } else {
408	$self->as_string
409	# }
410	}
411
412	# escape the /'s in the path
413	sub _escaped_path {
414	# ∕ is U+2215
415	(my $path = $_[0]{path}) =~ s/\//∕/g;
416	$path
417	}
418
419	# the original (read-only) location
420	sub load_path {
421	my ($self) = @_;
422
423	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424	}
425
426	# the temporary/swap location
427	sub save_path {
428	my ($self) = @_;
429
430	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433	}
434
435	# the unique path, might be eq to save_path
436	sub uniq_path {
437	my ($self) = @_;
438
439	$self->{user_rel} || $self->{random}
440	? undef
441	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442	}
443
444	# return random map parameters, or undef
445	sub random_map_params {
446	my ($self) = @_;
447
448	$self->{random}
449	}
450
451	# this is somewhat ugly, but style maps do need special treatment
452	sub is_style_map {
453	$_[0]{path} =~ m{^/styles/}
454	}
455
456	package cf;
457
458	#############################################################################
459
460	=head2 ATTACHABLE OBJECTS	762	=head2 ATTACHABLE OBJECTS
461		763
462	Many objects in crossfire are so-called attachable objects. That means you can	764	Many objects in deliantra are so-called attachable objects. That means you can
463	attach callbacks/event handlers (a collection of which is called an "attachment")	765	attach callbacks/event handlers (a collection of which is called an "attachment")
464	to it. All such attachable objects support the following methods.	766	to it. All such attachable objects support the following methods.
465		767
466	In the following description, CLASS can be any of C<global>, C<object>	768	In the following description, CLASS can be any of C<global>, C<object>
467	C<player>, C<client> or C<map> (i.e. the attachable objects in	769	C<player>, C<client> or C<map> (i.e. the attachable objects in
468	crossfire+).	770	Deliantra).
469		771
470	=over 4	772	=over 4
471		773
472	=item $attachable->attach ($attachment, key => $value...)	774	=item $attachable->attach ($attachment, key => $value...)
473		775
…		…
517	=item cf::CLASS::attachment $name, ...	819	=item cf::CLASS::attachment $name, ...
518		820
519	Register an attachment by C<$name> through which attachable objects of the	821	Register an attachment by C<$name> through which attachable objects of the
520	given CLASS can refer to this attachment.	822	given CLASS can refer to this attachment.
521		823
522	Some classes such as crossfire maps and objects can specify attachments	824	Some classes such as deliantra maps and objects can specify attachments
523	that are attached at load/instantiate time, thus the need for a name.	825	that are attached at load/instantiate time, thus the need for a name.
524		826
525	These calls expect any number of the following handler/hook descriptions:	827	These calls expect any number of the following handler/hook descriptions:
526		828
527	=over 4	829	=over 4
…		…
587	our @CB_TYPE = (); # registry for type (cf-object class) based events	889	our @CB_TYPE = (); # registry for type (cf-object class) based events
588	our @CB_MAP = ();	890	our @CB_MAP = ();
589		891
590	my %attachment;	892	my %attachment;
591		893
		894	sub cf::attachable::thawer_merge {
		895	# simply override everything except _meta
		896	local $_[0]{_meta};
		897	%{$_[0]} = %{$_[1]};
		898	}
		899
592	sub _attach_cb($$$$) {	900	sub _attach_cb($$$$) {
593	my ($registry, $event, $prio, $cb) = @_;	901	my ($registry, $event, $prio, $cb) = @_;
594		902
595	use sort 'stable';	903	use sort 'stable';
596		904
…		…
630	$registry = $CB_TYPE[$object_type] ||= [];	938	$registry = $CB_TYPE[$object_type] ||= [];
631		939
632	} elsif ($type eq "subtype") {	940	} elsif ($type eq "subtype") {
633	defined $object_type or Carp::croak "subtype specified without type";	941	defined $object_type or Carp::croak "subtype specified without type";
634	my $object_subtype = shift @arg;	942	my $object_subtype = shift @arg;
635	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	943	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
636		944
637	} elsif ($type eq "package") {	945	} elsif ($type eq "package") {
638	my $pkg = shift @arg;	946	my $pkg = shift @arg;
639		947
640	while (my ($name, $id) = each %cb_id) {	948	while (my ($name, $id) = each %cb_id) {
…		…
669	_attach $registry, $klass, @attach;	977	_attach $registry, $klass, @attach;
670	}	978	}
671		979
672	$obj->{$name} = \%arg;	980	$obj->{$name} = \%arg;
673	} else {	981	} else {
674	warn "object uses attachment '$name' that is not available, postponing.\n";	982	warn "object uses attachment '$name' which is not available, postponing.\n";
675	}	983	}
676		984
677	$obj->{_attachment}{$name} = undef;	985	$obj->{_attachment}{$name} = undef;
678	}	986	}
679		987
…		…
681	if (ref $_[0]) {	989	if (ref $_[0]) {
682	_object_attach @_;	990	_object_attach @_;
683	} else {	991	} else {
684	_attach shift->_attach_registry, @_;	992	_attach shift->_attach_registry, @_;
685	}	993	}
		994	_recalc_want;
686	};	995	};
687		996
688	# all those should be optimised	997	# all those should be optimised
689	sub cf::attachable::detach {	998	sub cf::attachable::detach {
690	my ($obj, $name) = @_;	999	my ($obj, $name) = @_;
…		…
693	delete $obj->{_attachment}{$name};	1002	delete $obj->{_attachment}{$name};
694	reattach ($obj);	1003	reattach ($obj);
695	} else {	1004	} else {
696	Carp::croak "cannot, currently, detach class attachments";	1005	Carp::croak "cannot, currently, detach class attachments";
697	}	1006	}
		1007	_recalc_want;
698	};	1008	};
699		1009
700	sub cf::attachable::attached {	1010	sub cf::attachable::attached {
701	my ($obj, $name) = @_;	1011	my ($obj, $name) = @_;
702		1012
…		…
717	";	1027	";
718	die if $@;	1028	die if $@;
719	}	1029	}
720		1030
721	our $override;	1031	our $override;
722	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1032	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
723		1033
724	sub override {	1034	sub override {
725	$override = 1;	1035	$override = 1;
726	@invoke_results = ();	1036	@INVOKE_RESULTS = (@_);
727	}	1037	}
728		1038
729	sub do_invoke {	1039	sub do_invoke {
730	my $event = shift;	1040	my $event = shift;
731	my $callbacks = shift;	1041	my $callbacks = shift;
732		1042
733	@invoke_results = ();	1043	@INVOKE_RESULTS = ();
734		1044
735	local $override;	1045	local $override;
736		1046
737	for (@$callbacks) {	1047	for (@$callbacks) {
738	eval { &{$_->[1]} };	1048	eval { &{$_->[1]} };
…		…
747	}	1057	}
748		1058
749	0	1059	0
750	}	1060	}
751		1061
752	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1062	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
753		1063
754	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1064	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
755		1065
756	Generate an object-specific event with the given arguments.	1066	Generate an object-specific event with the given arguments.
757		1067
758	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1068	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
759	removed in future versions), and there is no public API to access override	1069	removed in future versions), and there is no public API to access override
760	results (if you must, access C<@cf::invoke_results> directly).	1070	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
761		1071
762	=back	1072	=back
763		1073
764	=cut	1074	=cut
765		1075
766	#############################################################################	1076	#############################################################################
767	# object support	1077	# object support
		1078
		1079	sub _object_equal($$);
		1080	sub _object_equal($$) {
		1081	my ($a, $b) = @_;
		1082
		1083	return 0 unless (ref $a) eq (ref $b);
		1084
		1085	if ("HASH" eq ref $a) {
		1086	my @ka = keys %$a;
		1087	my @kb = keys %$b;
		1088
		1089	return 0 if @ka != @kb;
		1090
		1091	for (0 .. $#ka) {
		1092	return 0 unless $ka[$_] eq $kb[$_];
		1093	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1094	}
		1095
		1096	} elsif ("ARRAY" eq ref $a) {
		1097
		1098	return 0 if @$a != @$b;
		1099
		1100	for (0 .. $#$a) {
		1101	return 0 unless _object_equal $a->[$_], $b->[$_];
		1102	}
		1103
		1104	} elsif ($a ne $b) {
		1105	return 0;
		1106	}
		1107
		1108	1
		1109	}
		1110
		1111	our $SLOW_MERGES;#d#
		1112	sub _can_merge {
		1113	my ($ob1, $ob2) = @_;
		1114
		1115	++$SLOW_MERGES;#d#
		1116
		1117	# we do the slow way here
		1118	return _object_equal $ob1, $ob2
		1119	}
768		1120
769	sub reattach {	1121	sub reattach {
770	# basically do the same as instantiate, without calling instantiate	1122	# basically do the same as instantiate, without calling instantiate
771	my ($obj) = @_;	1123	my ($obj) = @_;
		1124
		1125	# no longer needed after getting rid of delete_package?
		1126	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1127
773	my $registry = $obj->registry;	1128	my $registry = $obj->registry;
774		1129
775	@$registry = ();	1130	@$registry = ();
776		1131
…		…
791	cf::attachable->attach (	1146	cf::attachable->attach (
792	prio => -1000000,	1147	prio => -1000000,
793	on_instantiate => sub {	1148	on_instantiate => sub {
794	my ($obj, $data) = @_;	1149	my ($obj, $data) = @_;
795		1150
796	$data = from_json $data;	1151	$data = decode_json $data;
797		1152
798	for (@$data) {	1153	for (@$data) {
799	my ($name, $args) = @$_;	1154	my ($name, $args) = @$_;
800		1155
801	$obj->attach ($name, %{$args || {} });	1156	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1172	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1173	my ($filename, $rdata, $objs) = @_;
819		1174
820	sync_job {	1175	sync_job {
821	if (length $$rdata) {	1176	if (length $$rdata) {
		1177	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1178	warn sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1179	$decname, length $$rdata, scalar @$objs;
824		1180
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1181	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1182	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1183	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1184	if ($cf::USE_FSYNC) {
		1185	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;
828	aio_fsync $fh;	1186	aio_fsync $fh;
		1187	}
829	close $fh;	1188	aio_close $fh;
830		1189
831	if (@$objs) {	1190	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1191	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1192	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1193	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1194	aio_write $fh, 0, (length $data), $data, 0;
		1195	if ($cf::USE_FSYNC) {
		1196	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;
836	aio_fsync $fh;	1197	aio_fsync $fh;
		1198	}
837	close $fh;	1199	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1200	aio_rename "$filename.pst~", "$filename.pst";
839	}	1201	}
840	} else {	1202	} else {
841	aio_unlink "$filename.pst";	1203	aio_unlink "$filename.pst";
842	}	1204	}
843		1205
844	aio_rename "$filename~", $filename;	1206	aio_rename "$filename~", $filename;
		1207
		1208	$filename =~ s%/[^/]+$%%;
		1209	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1210	} else {
846	warn "FATAL: $filename~: $!\n";	1211	warn "unable to save objects: $filename~: $!\n";
847	}	1212	}
848	} else {	1213	} else {
849	aio_unlink $filename;	1214	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1215	aio_unlink "$filename.pst";
851	}	1216	}
852	}	1217	};
853	}	1218	}
854		1219
855	sub object_freezer_as_string {	1220	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1221	my ($rdata, $objs) = @_;
857		1222
…		…
869	or return;	1234	or return;
870		1235
871	unless (aio_stat "$filename.pst") {	1236	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1237	(aio_load "$filename.pst", $av) >= 0
873	or return;	1238	or return;
		1239
874	$av = eval { (Storable::thaw $av)->{objs} };	1240	my $st = eval { Coro::Storable::thaw $av };
		1241	$av = $st->{objs};
875	}	1242	}
876		1243
		1244	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1245	warn sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};#d#	1246	$decname, length $data, scalar @{$av || []};
		1247
879	return ($data, $av);	1248	($data, $av)
880	}	1249	}
		1250
		1251	=head2 COMMAND CALLBACKS
		1252
		1253	=over 4
		1254
		1255	=cut
881		1256
882	#############################################################################	1257	#############################################################################
883	# command handling &c	1258	# command handling &c
884		1259
885	=item cf::register_command $name => \&callback($ob,$args);	1260	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1273	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1274	}
900		1275
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1276	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1277
903	Register a callbackf ro execution when the client sends an extcmd packet.	1278	Register a callback for execution when the client sends an (synchronous)
		1279	extcmd packet. Ext commands will be processed in the order they are
		1280	received by the server, like other user commands. The first argument is
		1281	the logged-in player. Ext commands can only be processed after a player
		1282	has logged in successfully.
904		1283
905	If the callback returns something, it is sent back as if reply was being	1284	If the callback returns something, it is sent back as if reply was being
906	called.	1285	called.
907		1286
		1287	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1288
		1289	Register a callback for execution when the client sends an (asynchronous)
		1290	exticmd packet. Exti commands are processed by the server as soon as they
		1291	are received, i.e. out of order w.r.t. other commands. The first argument
		1292	is a client socket. Exti commands can be received anytime, even before
		1293	log-in.
		1294
		1295	If the callback returns something, it is sent back as if reply was being
		1296	called.
		1297
908	=cut	1298	=cut
909		1299
910	sub register_extcmd {	1300	sub register_extcmd {
911	my ($name, $cb) = @_;	1301	my ($name, $cb) = @_;
912		1302
913	my $caller = caller;
914	#warn "registering extcmd '$name' to '$caller'";
915
916	$EXTCMD{$name} = [$cb, $caller];	1303	$EXTCMD{$name} = $cb;
917	}	1304	}
		1305
		1306	sub register_exticmd {
		1307	my ($name, $cb) = @_;
		1308
		1309	$EXTICMD{$name} = $cb;
		1310	}
		1311
		1312	use File::Glob ();
918		1313
919	cf::player->attach (	1314	cf::player->attach (
920	on_command => sub {	1315	on_command => sub {
921	my ($pl, $name, $params) = @_;	1316	my ($pl, $name, $params) = @_;
922		1317
…		…
930	cf::override;	1325	cf::override;
931	},	1326	},
932	on_extcmd => sub {	1327	on_extcmd => sub {
933	my ($pl, $buf) = @_;	1328	my ($pl, $buf) = @_;
934		1329
935	my $msg = eval { from_json $buf };	1330	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
936		1331
937	if (ref $msg) {	1332	if (ref $msg) {
		1333	my ($type, $reply, @payload) =
		1334	"ARRAY" eq ref $msg
		1335	? @$msg
		1336	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1337
		1338	my @reply;
		1339
938	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1340	if (my $cb = $EXTCMD{$type}) {
939	if (my %reply = $cb->[0]->($pl, $msg)) {	1341	@reply = $cb->($pl, @payload);
940	$pl->ext_reply ($msg->{msgid}, %reply);
941	}
942	}	1342	}
		1343
		1344	$pl->ext_reply ($reply, @reply)
		1345	if $reply;
		1346
943	} else {	1347	} else {
944	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1348	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
945	}	1349	}
946		1350
947	cf::override;	1351	cf::override;
948	},	1352	},
949	);	1353	);
950		1354
951	sub register {	1355	# "readahead" all extensions
952	my ($base, $pkg) = @_;	1356	sub cache_extensions {
		1357	my $grp = IO::AIO::aio_group;
953		1358
954	#TODO	1359	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
955	}	1360	for (grep /\.ext$/, @{$_[0]}) {
		1361	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1362	}
		1363	};
956		1364
		1365	$grp
		1366	}
		1367
957	sub load_extension {	1368	sub load_extensions {
		1369	cf::sync_job {
		1370	my %todo;
		1371
		1372	for my $path (<$LIBDIR/*.ext>) {
		1373	next unless -r $path;
		1374
		1375	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1376	my $base = $1;
		1377	my $pkg = $1;
		1378	$pkg =~ s/[^[:word:]]/_/g;
		1379	$pkg = "ext::$pkg";
		1380
		1381	open my $fh, "<:utf8", $path
		1382	or die "$path: $!";
		1383
		1384	my $source = do { local $/; <$fh> };
		1385
		1386	my %ext = (
		1387	path => $path,
		1388	base => $base,
		1389	pkg => $pkg,
		1390	);
		1391
		1392	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1393	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1394
		1395	$ext{source} =
		1396	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1397	. "#line 1 \"$path\"\n{\n"
		1398	. $source
		1399	. "\n};\n1";
		1400
		1401	$todo{$base} = \%ext;
		1402	}
		1403
		1404	my $pass = 0;
		1405	my %done;
		1406	while (%todo) {
		1407	my $progress;
		1408
		1409	++$pass;
		1410
		1411	ext:
		1412	while (my ($k, $v) = each %todo) {
		1413	for (split /,\s*/, $v->{meta}{depends}) {
		1414	next ext
		1415	unless exists $done{$_};
		1416	}
		1417
		1418	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1419
		1420	my $active = eval $v->{source};
		1421
		1422	if (length $@) {
		1423	warn "$v->{path}: $@\n";
		1424
		1425	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1426	if exists $v->{meta}{mandatory};
		1427	} else {
		1428	$done{$k} = delete $todo{$k};
		1429	push @EXTS, $v->{pkg};
		1430	$progress = 1;
		1431
		1432	warn "$v->{base}: extension inactive.\n"
		1433	unless $active;
		1434	}
		1435	}
		1436
		1437	unless ($progress) {
		1438	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1439
		1440	while (my ($k, $v) = each %todo) {
		1441	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1442	if exists $v->{meta}{mandatory};
		1443	}
		1444	}
		1445	}
		1446	};
		1447	}
		1448
		1449	#############################################################################
		1450
		1451	=back
		1452
		1453	=head2 CORE EXTENSIONS
		1454
		1455	Functions and methods that extend core deliantra objects.
		1456
		1457	=cut
		1458
		1459	package cf::player;
		1460
		1461	use Coro::AIO;
		1462
		1463	=head3 cf::player
		1464
		1465	=over 4
		1466
		1467	=item cf::player::num_playing
		1468
		1469	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1470
		1471	=cut
		1472
		1473	sub num_playing {
		1474	scalar grep
		1475	$_->ob->map
		1476	&& !$_->hidden
		1477	&& !$_->ob->flag (cf::FLAG_WIZ),
		1478	cf::player::list
		1479	}
		1480
		1481	=item cf::player::find $login
		1482
		1483	Returns the given player object, loading it if necessary (might block).
		1484
		1485	=cut
		1486
		1487	sub playerdir($) {
		1488	"$PLAYERDIR/"
		1489	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1490	}
		1491
		1492	sub path($) {
		1493	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1494
		1495	(playerdir $login) . "/playerdata"
		1496	}
		1497
		1498	sub find_active($) {
		1499	$cf::PLAYER{$_[0]}
		1500	and $cf::PLAYER{$_[0]}->active
		1501	and $cf::PLAYER{$_[0]}
		1502	}
		1503
		1504	sub exists($) {
		1505	my ($login) = @_;
		1506
		1507	$cf::PLAYER{$login}
		1508	or !aio_stat path $login
		1509	}
		1510
		1511	sub find($) {
		1512	return $cf::PLAYER{$_[0]} || do {
		1513	my $login = $_[0];
		1514
		1515	my $guard = cf::lock_acquire "user_find:$login";
		1516
		1517	$cf::PLAYER{$_[0]} || do {
		1518	# rename old playerfiles to new ones
		1519	#TODO: remove when no longer required
		1520	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1521	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1522	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1523	aio_unlink +(playerdir $login) . "/$login.pl";
		1524
		1525	my $f = new_from_file cf::object::thawer path $login
		1526	or return;
		1527
		1528	my $pl = cf::player::load_pl $f
		1529	or return;
		1530
		1531	local $cf::PLAYER_LOADING{$login} = $pl;
		1532	$f->resolve_delayed_derefs;
		1533	$cf::PLAYER{$login} = $pl
		1534	}
		1535	}
		1536	}
		1537
		1538	sub save($) {
		1539	my ($pl) = @_;
		1540
		1541	return if $pl->{deny_save};
		1542
		1543	my $path = path $pl;
		1544	my $guard = cf::lock_acquire "user_save:$path";
		1545
		1546	return if $pl->{deny_save};
		1547
		1548	aio_mkdir playerdir $pl, 0770;
		1549	$pl->{last_save} = $cf::RUNTIME;
		1550
		1551	cf::get_slot 0.01;
		1552
		1553	$pl->save_pl ($path);
		1554	cf::cede_to_tick;
		1555	}
		1556
		1557	sub new($) {
		1558	my ($login) = @_;
		1559
		1560	my $self = create;
		1561
		1562	$self->ob->name ($login);
		1563	$self->{deny_save} = 1;
		1564
		1565	$cf::PLAYER{$login} = $self;
		1566
		1567	$self
		1568	}
		1569
		1570	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1571
		1572	=cut
		1573
		1574	sub send_msg {
		1575	my $ns = shift->ns
		1576	or return;
		1577	$ns->send_msg (@_);
		1578	}
		1579
		1580	=item $pl->quit_character
		1581
		1582	Nukes the player without looking back. If logged in, the connection will
		1583	be destroyed. May block for a long time.
		1584
		1585	=cut
		1586
		1587	sub quit_character {
		1588	my ($pl) = @_;
		1589
		1590	my $name = $pl->ob->name;
		1591
		1592	$pl->{deny_save} = 1;
		1593	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1594
		1595	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1596	$pl->deactivate;
		1597	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1598	$pl->ob->check_score;
		1599	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1600	$pl->ns->destroy if $pl->ns;
		1601
		1602	my $path = playerdir $pl;
		1603	my $temp = "$path~$cf::RUNTIME~deleting~";
		1604	aio_rename $path, $temp;
		1605	delete $cf::PLAYER{$pl->ob->name};
		1606	$pl->destroy;
		1607
		1608	my $prefix = qr<^~\Q$name\E/>;
		1609
		1610	# nuke player maps
		1611	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1612
		1613	IO::AIO::aio_rmtree $temp;
		1614	}
		1615
		1616	=item $pl->kick
		1617
		1618	Kicks a player out of the game. This destroys the connection.
		1619
		1620	=cut
		1621
		1622	sub kick {
		1623	my ($pl, $kicker) = @_;
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1626	$pl->killer ("kicked");
		1627	$pl->ns->destroy;
		1628	}
		1629
		1630	=item cf::player::list_logins
		1631
		1632	Returns am arrayref of all valid playernames in the system, can take a
		1633	while and may block, so not sync_job-capable, ever.
		1634
		1635	=cut
		1636
		1637	sub list_logins {
		1638	my $dirs = aio_readdir $PLAYERDIR
		1639	or return [];
		1640
		1641	my @logins;
		1642
		1643	for my $login (@$dirs) {
		1644	my $path = path $login;
		1645
		1646	# a .pst is a dead give-away for a valid player
		1647	# if no pst file found, open and chekc for blocked users
		1648	if (aio_stat "$path.pst") {
		1649	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1650	aio_read $fh, 0, 512, my $buf, 0 or next;
		1651	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1652	}
		1653
		1654	utf8::decode $login;
		1655	push @logins, $login;
		1656	}
		1657
		1658	\@logins
		1659	}
		1660
		1661	=item $player->maps
		1662
		1663	Returns an arrayref of map paths that are private for this
		1664	player. May block.
		1665
		1666	=cut
		1667
		1668	sub maps($) {
		1669	my ($pl) = @_;
		1670
		1671	$pl = ref $pl ? $pl->ob->name : $pl;
		1672
		1673	my $files = aio_readdir playerdir $pl
		1674	or return;
		1675
		1676	my @paths;
		1677
		1678	for (@$files) {
		1679	utf8::decode $_;
		1680	next if /\.(?:pl|pst)$/;
		1681	next unless /^$PATH_SEP/o;
		1682
		1683	push @paths, cf::map::normalise "~$pl/$_";
		1684	}
		1685
		1686	\@paths
		1687	}
		1688
		1689	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1690
		1691	Expand deliantra pod fragments into protocol xml.
		1692
		1693	=item $player->ext_reply ($msgid, @msg)
		1694
		1695	Sends an ext reply to the player.
		1696
		1697	=cut
		1698
		1699	sub ext_reply($$@) {
		1700	my ($self, $id, @msg) = @_;
		1701
		1702	$self->ns->ext_reply ($id, @msg)
		1703	}
		1704
		1705	=item $player->ext_msg ($type, @msg)
		1706
		1707	Sends an ext event to the client.
		1708
		1709	=cut
		1710
		1711	sub ext_msg($$@) {
		1712	my ($self, $type, @msg) = @_;
		1713
		1714	$self->ns->ext_msg ($type, @msg);
		1715	}
		1716
		1717	=head3 cf::region
		1718
		1719	=over 4
		1720
		1721	=cut
		1722
		1723	package cf::region;
		1724
		1725	=item cf::region::find_by_path $path
		1726
		1727	Tries to decuce the likely region for a map knowing only its path.
		1728
		1729	=cut
		1730
		1731	sub find_by_path($) {
958	my ($path) = @_;	1732	my ($path) = @_;
959		1733
960	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1734	my ($match, $specificity);
961	my $base = $1;
962	my $pkg = $1;
963	$pkg =~ s/[^[:word:]]/_/g;
964	$pkg = "ext::$pkg";
965		1735
966	warn "loading '$path' into '$pkg'\n";	1736	for my $region (list) {
967		1737	if ($region->{match} && $path =~ $region->{match}) {
968	open my $fh, "<:utf8", $path	1738	($match, $specificity) = ($region, $region->specificity)
969	or die "$path: $!";	1739	if $region->specificity > $specificity;
970		1740	}
971	my $source =
972	"package $pkg; use strict; use utf8;\n"
973	. "#line 1 \"$path\"\n{\n"
974	. (do { local $/; <$fh> })
975	. "\n};\n1";
976
977	eval $source
978	or die $@ ? "$path: $@\n"
979	: "extension disabled.\n";
980
981	push @exts, $pkg;
982	$ext_pkg{$base} = $pkg;
983
984	# no strict 'refs';
985	# @{"$pkg\::ISA"} = ext::;
986
987	register $base, $pkg;
988	}
989
990	sub unload_extension {
991	my ($pkg) = @_;
992
993	warn "removing extension $pkg\n";
994
995	# remove hooks
996	#TODO
997	# for my $idx (0 .. $#PLUGIN_EVENT) {
998	# delete $hook[$idx]{$pkg};
999	# }	1741	}
1000		1742
1001	# remove commands	1743	$match
1002	for my $name (keys %COMMAND) {
1003	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005	if (@cb) {
1006	$COMMAND{$name} = \@cb;
1007	} else {
1008	delete $COMMAND{$name};
1009	}
1010	}
1011
1012	# remove extcmds
1013	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014	delete $EXTCMD{$name};
1015	}
1016
1017	if (my $cb = $pkg->can ("unload")) {
1018	eval {
1019	$cb->($pkg);
1020	1
1021	} or warn "$pkg unloaded, but with errors: $@";
1022	}
1023
1024	Symbol::delete_package $pkg;
1025	}
1026
1027	sub load_extensions {
1028	for my $ext (<$LIBDIR/*.ext>) {
1029	next unless -r $ext;
1030	eval {
1031	load_extension $ext;
1032	1
1033	} or warn "$ext not loaded: $@";
1034	}
1035	}
1036
1037	#############################################################################
1038	# load/save/clean perl data associated with a map
1039
1040	*cf::mapsupport::on_clean = sub {
1041	my ($map) = @_;
1042
1043	my $path = $map->tmpname;
1044	defined $path or return;
1045
1046	unlink "$path.pst";
1047	};
1048
1049	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051	#############################################################################
1052	# load/save perl data associated with player->ob objects
1053
1054	sub all_objects(@) {
1055	@_, map all_objects ($_->inv), @_
1056	}
1057
1058	# TODO: compatibility cruft, remove when no longer needed
1059	cf::player->attach (
1060	on_load => sub {
1061	my ($pl, $path) = @_;
1062
1063	for my $o (all_objects $pl->ob) {
1064	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065	$o->set_ob_key_value ("_perl_data");
1066
1067	%$o = %{ Storable::thaw pack "H*", $value };
1068	}
1069	}
1070	},
1071	);
1072
1073	#############################################################################
1074
1075	=head2 CORE EXTENSIONS
1076
1077	Functions and methods that extend core crossfire objects.
1078
1079	=head3 cf::player
1080
1081	=over 4
1082
1083	=item cf::player::exists $login
1084
1085	Returns true when the given account exists.
1086
1087	=cut
1088
1089	sub cf::player::exists($) {
1090	cf::player::find $_[0]
1091	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1092	}
1093
1094	=item $player->ext_reply ($msgid, $msgtype, %msg)
1095
1096	Sends an ext reply to the player.
1097
1098	=cut
1099
1100	sub cf::player::ext_reply($$$%) {
1101	my ($self, $id, %msg) = @_;
1102
1103	$msg{msgid} = $id;
1104
1105	$self->send ("ext " . to_json \%msg);
1106	}	1744	}
1107		1745
1108	=back	1746	=back
1109
1110		1747
1111	=head3 cf::map	1748	=head3 cf::map
1112		1749
1113	=over 4	1750	=over 4
1114		1751
…		…
1117	package cf::map;	1754	package cf::map;
1118		1755
1119	use Fcntl;	1756	use Fcntl;
1120	use Coro::AIO;	1757	use Coro::AIO;
1121		1758
		1759	use overload
		1760	'""' => \&as_string,
		1761	fallback => 1;
		1762
1122	our $MAX_RESET = 3600;	1763	our $MAX_RESET = 3600;
1123	our $DEFAULT_RESET = 3000;	1764	our $DEFAULT_RESET = 3000;
1124		1765
1125	sub generate_random_map {	1766	sub generate_random_map {
1126	my ($path, $rmp) = @_;	1767	my ($self, $rmp) = @_;
		1768
		1769	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1127		1770
1128	# mit "rum" bekleckern, nicht	1771	# mit "rum" bekleckern, nicht
1129	cf::map::_create_random_map	1772	$self->_create_random_map (
1130	$path,
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1773	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1774	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1775	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},	1776	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},	1777	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1778	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1779	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1780	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1781	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1782	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region})	1783	(cf::region::find $rmp->{region}), $rmp->{custom}
		1784	)
1142	}	1785	}
1143		1786
1144	# and all this just because we cannot iterate over	1787	=item cf::map->register ($regex, $prio)
1145	# all maps in C++...
1146	sub change_all_map_light {
1147	my ($change) = @_;
1148		1788
1149	$_->change_map_light ($change)	1789	Register a handler for the map path matching the given regex at the
1150	for grep $_->outdoor, values %cf::MAP;	1790	givne priority (higher is better, built-in handlers have priority 0, the
1151	}	1791	default).
1152		1792
1153	sub try_load_header($) {	1793	=cut
		1794
		1795	sub register {
		1796	my (undef, $regex, $prio) = @_;
		1797	my $pkg = caller;
		1798
		1799	no strict;
		1800	push @{"$pkg\::ISA"}, __PACKAGE__;
		1801
		1802	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1803	}
		1804
		1805	# also paths starting with '/'
		1806	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1807
		1808	sub thawer_merge {
		1809	my ($self, $merge) = @_;
		1810
		1811	# we have to keep some variables in memory intact
		1812	local $self->{path};
		1813	local $self->{load_path};
		1814
		1815	$self->SUPER::thawer_merge ($merge);
		1816	}
		1817
		1818	sub normalise {
1154	my ($path) = @_;	1819	my ($path, $base) = @_;
		1820
		1821	$path = "$path"; # make sure its a string
		1822
		1823	$path =~ s/\.map$//;
		1824
		1825	# map plan:
		1826	#
		1827	# /! non-realised random map exit (special hack!)
		1828	# {... are special paths that are not being touched
		1829	# ?xxx/... are special absolute paths
		1830	# ?random/... random maps
		1831	# /... normal maps
		1832	# ~user/... per-player map of a specific user
		1833
		1834	$path =~ s/$PATH_SEP/\//go;
		1835
		1836	# treat it as relative path if it starts with
		1837	# something that looks reasonable
		1838	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1839	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1840
		1841	$base =~ s{[^/]+/?$}{};
		1842	$path = "$base/$path";
		1843	}
		1844
		1845	for ($path) {
		1846	redo if s{//}{/};
		1847	redo if s{/\.?/}{/};
		1848	redo if s{/[^/]+/\.\./}{/};
		1849	}
		1850
		1851	$path
		1852	}
		1853
		1854	sub new_from_path {
		1855	my (undef, $path, $base) = @_;
		1856
		1857	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1858
		1859	$path = normalise $path, $base;
		1860
		1861	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1862	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1863	my $self = bless cf::map::new, $pkg;
		1864	$self->{path} = $path; $self->path ($path);
		1865	$self->init; # pass $1 etc.
		1866	return $self;
		1867	}
		1868	}
		1869
		1870	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1871	()
		1872	}
		1873
		1874	sub init {
		1875	my ($self) = @_;
		1876
		1877	$self
		1878	}
		1879
		1880	sub as_string {
		1881	my ($self) = @_;
		1882
		1883	"$self->{path}"
		1884	}
		1885
		1886	# the displayed name, this is a one way mapping
		1887	sub visible_name {
		1888	&as_string
		1889	}
		1890
		1891	# the original (read-only) location
		1892	sub load_path {
		1893	my ($self) = @_;
		1894
		1895	"$MAPDIR/$self->{path}.map"
		1896	}
		1897
		1898	# the temporary/swap location
		1899	sub save_path {
		1900	my ($self) = @_;
		1901
		1902	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1903	"$TMPDIR/$path.map"
		1904	}
		1905
		1906	# the unique path, undef == no special unique path
		1907	sub uniq_path {
		1908	my ($self) = @_;
		1909
		1910	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1911	"$UNIQUEDIR/$path"
		1912	}
		1913
		1914	sub decay_objects {
		1915	my ($self) = @_;
		1916
		1917	return if $self->{deny_reset};
		1918
		1919	$self->do_decay_objects;
		1920	}
		1921
		1922	sub unlink_save {
		1923	my ($self) = @_;
		1924
		1925	utf8::encode (my $save = $self->save_path);
		1926	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1927	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1928	}
		1929
		1930	sub load_header_from($) {
		1931	my ($self, $path) = @_;
1155		1932
1156	utf8::encode $path;	1933	utf8::encode $path;
1157	aio_open $path, O_RDONLY, 0	1934	my $f = new_from_file cf::object::thawer $path
1158	or return;	1935	or return;
1159		1936
1160	my $map = cf::map::new	1937	$self->_load_header ($f)
1161	or return;	1938	or return;
1162		1939
1163	# for better error messages only, will be overwritten	1940	local $MAP_LOADING{$self->{path}} = $self;
1164	$map->path ($path);	1941	$f->resolve_delayed_derefs;
1165		1942
1166	$map->load_header ($path)	1943	$self->{load_path} = $path;
		1944
		1945	1
		1946	}
		1947
		1948	sub load_header_orig {
		1949	my ($self) = @_;
		1950
		1951	$self->load_header_from ($self->load_path)
		1952	}
		1953
		1954	sub load_header_temp {
		1955	my ($self) = @_;
		1956
		1957	$self->load_header_from ($self->save_path)
		1958	}
		1959
		1960	sub prepare_temp {
		1961	my ($self) = @_;
		1962
		1963	$self->last_access ((delete $self->{last_access})
		1964	|| $cf::RUNTIME); #d#
		1965	# safety
		1966	$self->{instantiate_time} = $cf::RUNTIME
		1967	if $self->{instantiate_time} > $cf::RUNTIME;
		1968	}
		1969
		1970	sub prepare_orig {
		1971	my ($self) = @_;
		1972
		1973	$self->{load_original} = 1;
		1974	$self->{instantiate_time} = $cf::RUNTIME;
		1975	$self->last_access ($cf::RUNTIME);
		1976	$self->instantiate;
		1977	}
		1978
		1979	sub load_header {
		1980	my ($self) = @_;
		1981
		1982	if ($self->load_header_temp) {
		1983	$self->prepare_temp;
		1984	} else {
		1985	$self->load_header_orig
1167	or return;	1986	or return;
		1987	$self->prepare_orig;
		1988	}
1168		1989
1169	$map->{load_path} = $path;	1990	$self->{deny_reset} = 1
		1991	if $self->no_reset;
1170		1992
1171	$map	1993	$self->default_region (cf::region::find_by_path $self->{path})
		1994	unless $self->default_region;
		1995
		1996	1
1172	}	1997	}
1173		1998
1174	sub find;	1999	sub find;
1175	sub find {	2000	sub find {
1176	my ($path, $origin) = @_;	2001	my ($path, $origin) = @_;
1177		2002
1178	#warn "find<$path,$origin>\n";#d#
1179
1180	$path = new cf::path $path, $origin && $origin->path;	2003	$path = normalise $path, $origin && $origin->path;
1181	my $key = $path->as_string;
1182		2004
1183	cf::lock_wait "map_find:$key";	2005	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1184
1185	$cf::MAP{$key} || do {
1186	my $guard = cf::lock_acquire "map_find:$key";	2006	my $guard2 = cf::lock_acquire "map_find:$path";
1187		2007
1188	# do it the slow way	2008	$cf::MAP{$path} || do {
1189	my $map = try_load_header $path->save_path;	2009	my $map = new_from_path cf::map $path
1190
1191	Coro::cede;
1192
1193	if ($map) {
1194	$map->last_access ((delete $map->{last_access})
1195	|| $cf::RUNTIME); #d#
1196	# safety
1197	$map->{instantiate_time} = $cf::RUNTIME
1198	if $map->{instantiate_time} > $cf::RUNTIME;
1199	} else {
1200	if (my $rmp = $path->random_map_params) {
1201	$map = generate_random_map $key, $rmp;
1202	} else {
1203	$map = try_load_header $path->load_path;
1204	}
1205
1206	$map or return;	2010	or return;
1207		2011
1208	$map->{load_original} = 1;
1209	$map->{instantiate_time} = $cf::RUNTIME;
1210	$map->last_access ($cf::RUNTIME);
1211	$map->instantiate;
1212
1213	# per-player maps become, after loading, normal maps
1214	$map->per_player (0) if $path->{user_rel};
1215	}
1216
1217	$map->path ($key);
1218	$map->{path} = $path;
1219	$map->{last_save} = $cf::RUNTIME;	2012	$map->{last_save} = $cf::RUNTIME;
1220		2013
1221	Coro::cede;	2014	$map->load_header
		2015	or return;
1222		2016
1223	if ($map->should_reset) {	2017	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2018	# doing this can freeze the server in a sync job, obviously
		2019	#$cf::WAIT_FOR_TICK->wait;
		2020	undef $guard2;
		2021	undef $guard1;
1224	$map->reset;	2022	$map->reset;
1225	undef $guard;
1226	$map = find $path	2023	return find $path;
1227	or return;
1228	}	2024	}
1229		2025
1230	$cf::MAP{$key} = $map	2026	$cf::MAP{$path} = $map
1231	}	2027	}
1232	}	2028	}
		2029
		2030	sub pre_load { }
		2031	#sub post_load { } # XS
1233		2032
1234	sub load {	2033	sub load {
1235	my ($self) = @_;	2034	my ($self) = @_;
1236		2035
		2036	local $self->{deny_reset} = 1; # loading can take a long time
		2037
1237	my $path = $self->{path};	2038	my $path = $self->{path};
		2039
		2040	{
1238	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2041	my $guard = cf::lock_acquire "map_data:$path";
1239		2042
		2043	return unless $self->valid;
1240	return if $self->in_memory != cf::MAP_SWAPPED;	2044	return unless $self->in_memory == cf::MAP_SWAPPED;
1241		2045
1242	$self->in_memory (cf::MAP_LOADING);	2046	$self->in_memory (cf::MAP_LOADING);
1243		2047
1244	$self->alloc;	2048	$self->alloc;
1245	$self->load_objects ($self->{load_path}, 1)	2049
		2050	$self->pre_load;
		2051	cf::cede_to_tick;
		2052
		2053	my $f = new_from_file cf::object::thawer $self->{load_path};
		2054	$f->skip_block;
		2055	$self->_load_objects ($f)
1246	or return;	2056	or return;
1247		2057
1248	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2058	$self->post_load_original
1249	if delete $self->{load_original};	2059	if delete $self->{load_original};
1250		2060
1251	if (my $uniq = $path->uniq_path) {	2061	if (my $uniq = $self->uniq_path) {
1252	utf8::encode $uniq;	2062	utf8::encode $uniq;
1253	if (aio_open $uniq, O_RDONLY, 0) {	2063	unless (aio_stat $uniq) {
		2064	if (my $f = new_from_file cf::object::thawer $uniq) {
1254	$self->clear_unique_items;	2065	$self->clear_unique_items;
1255	$self->load_objects ($uniq, 0);	2066	$self->_load_objects ($f);
		2067	$f->resolve_delayed_derefs;
		2068	}
1256	}	2069	}
1257	}	2070	}
1258		2071
1259	Coro::cede;	2072	$f->resolve_delayed_derefs;
1260		2073
		2074	cf::cede_to_tick;
1261	# now do the right thing for maps	2075	# now do the right thing for maps
1262	$self->link_multipart_objects;	2076	$self->link_multipart_objects;
1263
1264	if ($self->{path}->is_style_map) {
1265	$self->{deny_save} = 1;
1266	$self->{deny_reset} = 1;
1267	} else {
1268	$self->fix_auto_apply;
1269	$self->decay_objects;
1270	$self->update_buttons;
1271	$self->set_darkness_map;
1272	$self->difficulty ($self->estimate_difficulty)	2077	$self->difficulty ($self->estimate_difficulty)
1273	unless $self->difficulty;	2078	unless $self->difficulty;
		2079	cf::cede_to_tick;
		2080
		2081	unless ($self->{deny_activate}) {
		2082	$self->decay_objects;
		2083	$self->fix_auto_apply;
		2084	$self->update_buttons;
		2085	cf::cede_to_tick;
1274	$self->activate;	2086	$self->activate;
1275	}	2087	}
1276		2088
1277	Coro::cede;	2089	$self->{last_save} = $cf::RUNTIME;
		2090	$self->last_access ($cf::RUNTIME);
1278		2091
1279	$self->in_memory (cf::MAP_IN_MEMORY);	2092	$self->in_memory (cf::MAP_ACTIVE);
		2093	}
		2094
		2095	$self->post_load;
		2096	}
		2097
		2098	sub customise_for {
		2099	my ($self, $ob) = @_;
		2100
		2101	return find "~" . $ob->name . "/" . $self->{path}
		2102	if $self->per_player;
		2103
		2104	# return find "?party/" . $ob->name . "/" . $self->{path}
		2105	# if $self->per_party;
		2106
		2107	$self
		2108	}
		2109
		2110	# find and load all maps in the 3x3 area around a map
		2111	sub load_neighbours {
		2112	my ($map) = @_;
		2113
		2114	my @neigh; # diagonal neighbours
		2115
		2116	for (0 .. 3) {
		2117	my $neigh = $map->tile_path ($_)
		2118	or next;
		2119	$neigh = find $neigh, $map
		2120	or next;
		2121	$neigh->load;
		2122
		2123	push @neigh,
		2124	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2125	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2126	}
		2127
		2128	for (grep defined $_->[0], @neigh) {
		2129	my ($path, $origin) = @$_;
		2130	my $neigh = find $path, $origin
		2131	or next;
		2132	$neigh->load;
		2133	}
1280	}	2134	}
1281		2135
1282	sub find_sync {	2136	sub find_sync {
1283	my ($path, $origin) = @_;	2137	my ($path, $origin) = @_;
1284		2138
1285	cf::sync_job { cf::map::find $path, $origin }	2139	cf::sync_job { find $path, $origin }
1286	}	2140	}
1287		2141
1288	sub do_load_sync {	2142	sub do_load_sync {
1289	my ($map) = @_;	2143	my ($map) = @_;
1290		2144
		2145	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2146	if $Coro::current == $Coro::main;
		2147
1291	cf::sync_job { $map->load };	2148	cf::sync_job { $map->load };
		2149	}
		2150
		2151	our %MAP_PREFETCH;
		2152	our $MAP_PREFETCHER = undef;
		2153
		2154	sub find_async {
		2155	my ($path, $origin, $load) = @_;
		2156
		2157	$path = normalise $path, $origin && $origin->{path};
		2158
		2159	if (my $map = $cf::MAP{$path}) {
		2160	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2161	}
		2162
		2163	$MAP_PREFETCH{$path} |= $load;
		2164
		2165	$MAP_PREFETCHER ||= cf::async {
		2166	$Coro::current->{desc} = "map prefetcher";
		2167
		2168	while (%MAP_PREFETCH) {
		2169	while (my ($k, $v) = each %MAP_PREFETCH) {
		2170	if (my $map = find $k) {
		2171	$map->load if $v;
		2172	}
		2173
		2174	delete $MAP_PREFETCH{$k};
		2175	}
		2176	}
		2177	undef $MAP_PREFETCHER;
		2178	};
		2179	$MAP_PREFETCHER->prio (6);
		2180
		2181	()
1292	}	2182	}
1293		2183
1294	sub save {	2184	sub save {
1295	my ($self) = @_;	2185	my ($self) = @_;
1296		2186
1297	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1298		2188
1299	$self->{last_save} = $cf::RUNTIME;	2189	$self->{last_save} = $cf::RUNTIME;
1300		2190
1301	return unless $self->dirty;	2191	return unless $self->dirty;
1302		2192
1303	my $save = $self->{path}->save_path; utf8::encode $save;	2193	my $save = $self->save_path; utf8::encode $save;
1304	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2194	my $uniq = $self->uniq_path; utf8::encode $uniq;
1305		2195
1306	$self->{load_path} = $save;	2196	$self->{load_path} = $save;
1307		2197
1308	return if $self->{deny_save};	2198	return if $self->{deny_save};
1309		2199
1310	local $self->{last_access} = $self->last_access;#d#	2200	local $self->{last_access} = $self->last_access;#d#
1311		2201
		2202	cf::async {
		2203	$Coro::current->{desc} = "map player save";
		2204	$_->contr->save for $self->players;
		2205	};
		2206
		2207	cf::get_slot 0.02;
		2208
1312	if ($uniq) {	2209	if ($uniq) {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2210	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314	$self->save_objects ($uniq, cf::IO_UNIQUES);	2211	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1315	} else {	2212	} else {
1316	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2213	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317	}	2214	}
1318	}	2215	}
1319		2216
1320	sub swap_out {	2217	sub swap_out {
1321	my ($self) = @_;	2218	my ($self) = @_;
1322		2219
1323	# save first because save cedes	2220	# save first because save cedes
1324	$self->save;	2221	$self->save;
1325		2222
1326	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327		2224
1328	return if $self->players;	2225	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2226	return if $self->in_memory != cf::MAP_ACTIVE;
1330	return if $self->{deny_save};	2227	return if $self->{deny_save};
1331		2228
		2229	$self->in_memory (cf::MAP_SWAPPED);
		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1332	$self->clear;	2233	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2234	}
1335		2235
1336	sub reset_at {	2236	sub reset_at {
1337	my ($self) = @_;	2237	my ($self) = @_;
1338		2238
1339	# TODO: safety, remove and allow resettable per-player maps	2239	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2240	return 1e99 if $self->{deny_reset};
1342		2241
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2242	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2243	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2244
…		…
1350	my ($self) = @_;	2249	my ($self) = @_;
1351		2250
1352	$self->reset_at <= $cf::RUNTIME	2251	$self->reset_at <= $cf::RUNTIME
1353	}	2252	}
1354		2253
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2254	sub reset {
1377	my ($self) = @_;	2255	my ($self) = @_;
1378		2256
1379	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1380		2258
1381	return if $self->players;	2259	return if $self->players;
1382	return if $self->{path}{user_rel};#d#
1383		2260
1384	warn "resetting map ", $self->path;#d#	2261	warn "resetting map ", $self->path, "\n";
		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	# need to save uniques path
		2266	unless ($self->{deny_save}) {
		2267	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2268
		2269	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2270	if $uniq;
		2271	}
1385		2272
1386	delete $cf::MAP{$self->path};	2273	delete $cf::MAP{$self->path};
1387		2274
		2275	$self->deactivate;
1388	$_->clear_links_to ($self) for values %cf::MAP;	2276	$_->clear_links_to ($self) for values %cf::MAP;
		2277	$self->clear;
1389		2278
1390	$self->unlink_save;	2279	$self->unlink_save;
1391	$self->destroy;	2280	$self->destroy;
1392	}	2281	}
1393		2282
1394	my $nuke_counter = "aaaa";	2283	my $nuke_counter = "aaaa";
1395		2284
1396	sub nuke {	2285	sub nuke {
1397	my ($self) = @_;	2286	my ($self) = @_;
1398		2287
		2288	{
		2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2290
		2291	delete $cf::MAP{$self->path};
		2292
		2293	$self->unlink_save;
		2294
		2295	bless $self, "cf::map";
		2296	delete $self->{deny_reset};
1399	$self->{deny_save} = 1;	2297	$self->{deny_save} = 1;
1400	$self->reset_timeout (1);	2298	$self->reset_timeout (1);
1401	$self->rename ("{nuke}/" . ($nuke_counter++));	2299	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2300
		2301	$cf::MAP{$self->path} = $self;
		2302	}
		2303
1402	$self->reset; # polite request, might not happen	2304	$self->reset; # polite request, might not happen
1403	}	2305	}
1404		2306
1405	sub customise_for {	2307	=item $maps = cf::map::tmp_maps
1406	my ($map, $ob) = @_;
1407		2308
1408	if ($map->per_player) {	2309	Returns an arrayref with all map paths of currently instantiated and saved
1409	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2310	maps. May block.
		2311
		2312	=cut
		2313
		2314	sub tmp_maps() {
1410	}	2315	[
1411		2316	map {
1412	$map	2317	utf8::decode $_;
		2318	/\.map$/
		2319	? normalise $_
		2320	: ()
		2321	} @{ aio_readdir $TMPDIR or [] }
		2322	]
1413	}	2323	}
1414		2324
1415	sub emergency_save {	2325	=item $maps = cf::map::random_maps
1416	my $freeze_guard = cf::freeze_mainloop;
1417		2326
1418	warn "enter emergency map save\n";	2327	Returns an arrayref with all map paths of currently instantiated and saved
		2328	random maps. May block.
1419		2329
1420	cf::sync_job {	2330	=cut
1421	warn "begin emergency map save\n";	2331
1422	$_->save for values %cf::MAP;	2332	sub random_maps() {
		2333	[
		2334	map {
		2335	utf8::decode $_;
		2336	/\.map$/
		2337	? normalise "?random/$_"
		2338	: ()
		2339	} @{ aio_readdir $RANDOMDIR or [] }
		2340	]
		2341	}
		2342
		2343	=item cf::map::unique_maps
		2344
		2345	Returns an arrayref of paths of all shared maps that have
		2346	instantiated unique items. May block.
		2347
		2348	=cut
		2349
		2350	sub unique_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	s/\.map$//; # TODO future compatibility hack
		2355	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2356	? ()
		2357	: normalise $_
		2358	} @{ aio_readdir $UNIQUEDIR or [] }
		2359	]
		2360	}
		2361
		2362	=item cf::map::static_maps
		2363
		2364	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2365	file in the shared directory excluding F</styles> and F</editor>). May
		2366	block.
		2367
		2368	=cut
		2369
		2370	sub static_maps() {
		2371	my @dirs = "";
		2372	my @maps;
		2373
		2374	while (@dirs) {
		2375	my $dir = shift @dirs;
		2376
		2377	next if $dir eq "/styles" || $dir eq "/editor";
		2378
		2379	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2380	or return;
		2381
		2382	for (@$files) {
		2383	s/\.map$// or next;
		2384	utf8::decode $_;
		2385	push @maps, "$dir/$_";
		2386	}
		2387
		2388	push @dirs, map "$dir/$_", @$dirs;
1423	};	2389	}
1424		2390
1425	warn "end emergency map save\n";	2391	\@maps
		2392	}
		2393
		2394	=back
		2395
		2396	=head3 cf::object
		2397
		2398	=cut
		2399
		2400	package cf::object;
		2401
		2402	=over 4
		2403
		2404	=item $ob->inv_recursive
		2405
		2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
		2408
		2409	=cut
		2410
		2411	sub inv_recursive_;
		2412	sub inv_recursive_ {
		2413	map { $_, inv_recursive_ $_->inv } @_
		2414	}
		2415
		2416	sub inv_recursive {
		2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1426	}	2446	}
1427		2447
1428	package cf;	2448	package cf;
1429		2449
1430	=back	2450	=back
1431
1432		2451
1433	=head3 cf::object::player	2452	=head3 cf::object::player
1434		2453
1435	=over 4	2454	=over 4
1436		2455
…		…
1439	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2458	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1440	can be C<undef>. Does the right thing when the player is currently in a	2459	can be C<undef>. Does the right thing when the player is currently in a
1441	dialogue with the given NPC character.	2460	dialogue with the given NPC character.
1442		2461
1443	=cut	2462	=cut
		2463
		2464	our $SAY_CHANNEL = {
		2465	id => "say",
		2466	title => "Map",
		2467	reply => "say ",
		2468	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2469	};
		2470
		2471	our $CHAT_CHANNEL = {
		2472	id => "chat",
		2473	title => "Chat",
		2474	reply => "chat ",
		2475	tooltip => "Player chat and shouts, global to the server.",
		2476	};
1444		2477
1445	# rough implementation of a future "reply" method that works	2478	# rough implementation of a future "reply" method that works
1446	# with dialog boxes.	2479	# with dialog boxes.
1447	#TODO: the first argument must go, split into a $npc->reply_to ( method	2480	#TODO: the first argument must go, split into a $npc->reply_to ( method
1448	sub cf::object::player::reply($$$;$) {	2481	sub cf::object::player::reply($$$;$) {
…		…
1450		2483
1451	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2484	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1452		2485
1453	if ($self->{record_replies}) {	2486	if ($self->{record_replies}) {
1454	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2487	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2488
1455	} else {	2489	} else {
		2490	my $pl = $self->contr;
		2491
		2492	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2493	my $dialog = $pl->{npc_dialog};
		2494	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2495
		2496	} else {
1456	$msg = $npc->name . " says: $msg" if $npc;	2497	$msg = $npc->name . " says: $msg" if $npc;
1457	$self->message ($msg, $flags);	2498	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2499	}
1458	}	2500	}
		2501	}
		2502
		2503	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	=cut
		2506
		2507	sub cf::object::send_msg {
		2508	my $pl = shift->contr
		2509	or return;
		2510	$pl->send_msg (@_);
1459	}	2511	}
1460		2512
1461	=item $player_object->may ("access")	2513	=item $player_object->may ("access")
1462		2514
1463	Returns wether the given player is authorized to access resource "access"	2515	Returns wether the given player is authorized to access resource "access"
…		…
1476		2528
1477	=item $player_object->enter_link	2529	=item $player_object->enter_link
1478		2530
1479	Freezes the player and moves him/her to a special map (C<{link}>).	2531	Freezes the player and moves him/her to a special map (C<{link}>).
1480		2532
1481	The player should be reaosnably safe there for short amounts of time. You	2533	The player should be reasonably safe there for short amounts of time (e.g.
1482	I<MUST> call C<leave_link> as soon as possible, though.	2534	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2535	though, as the palyer cannot control the character while it is on the link
		2536	map.
		2537
		2538	Will never block.
1483		2539
1484	=item $player_object->leave_link ($map, $x, $y)	2540	=item $player_object->leave_link ($map, $x, $y)
1485		2541
1486	Moves the player out of the specila link map onto the given map. If the	2542	Moves the player out of the special C<{link}> map onto the specified
1487	map is not valid (or omitted), the player will be moved back to the	2543	map. If the map is not valid (or omitted), the player will be moved back
1488	location he/she was before the call to C<enter_link>, or, if that fails,	2544	to the location he/she was before the call to C<enter_link>, or, if that
1489	to the emergency map position.	2545	fails, to the emergency map position.
1490		2546
1491	Might block.	2547	Might block.
1492		2548
1493	=cut	2549	=cut
		2550
		2551	sub link_map {
		2552	unless ($LINK_MAP) {
		2553	$LINK_MAP = cf::map::find "{link}"
		2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2555	$LINK_MAP->load;
		2556	}
		2557
		2558	$LINK_MAP
		2559	}
1494		2560
1495	sub cf::object::player::enter_link {	2561	sub cf::object::player::enter_link {
1496	my ($self) = @_;	2562	my ($self) = @_;
1497		2563
1498	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1499		2565
1500	return if $self->map == $LINK_MAP;	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1501		2567
1502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1504		2570
1505	$self->enter_map ($LINK_MAP, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1506	}	2572	}
1507		2573
1508	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1509	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1510		2578
1511	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1512		2580
1513	unless ($map) {	2581	unless ($map) {
1514	# restore original map position	2582	# restore original map position
…		…
1525	($x, $y) = (-1, -1)	2593	($x, $y) = (-1, -1)
1526	unless (defined $x) && (defined $y);	2594	unless (defined $x) && (defined $y);
1527		2595
1528	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1529	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1530	if $x <=0 && $y <= 0;	2598	if $x <= 0 && $y <= 0;
1531		2599
1532	$map->load;	2600	$map->load;
		2601	$map->load_neighbours;
1533		2602
		2603	return unless $self->contr->active;
		2604
		2605	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2606	$self->enter_map ($map, $x, $y);
		2607
		2608	# only activate afterwards, to support waiting in hooks
1534	$self->activate_recursive;	2609	$self->activate_recursive;
1535	$self->enter_map ($map, $x, $y);
1536	}	2610	}
1537		2611
1538	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1539	on_logout => sub {
1540	my ($pl) = @_;
1541		2613
1542	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1543	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1544	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1545	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1546	};	2618	be called at the end of this process.
1547	}
1548	},
1549	on_login => sub {
1550	my ($pl) = @_;
1551		2619
1552	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1553	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1554	if ($pl->ob->{_link_pos}) {
1555		2622
1556	$pl->ob->enter_link;
1557	(async {
1558	# we need this sleep as the login has a concurrent enter_exit running
1559	# and this sleep increases chances of the player not ending up in scorn
1560	$pl->ob->reply (undef,
1561	"There was an internal problem at your last logout, "
1562	. "the server will try to bring you to your intended destination in a second.",
1563	cf::NDI_RED);
1564	Coro::Timer::sleep 1;
1565	$pl->ob->leave_link;
1566	})->prio (2);
1567	}
1568	},
1569	);
1570
1571	=item $player_object->goto ($path, $x, $y)
1572
1573	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1574		2626
1575	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1576	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1577		2632
1578	$self->enter_link;	2633	$self->enter_link;
1579		2634
1580	(async {	2635	(async {
1581	$path = new cf::path $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
1582		2637
1583	my $map = cf::map::find $path->as_string;	2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1584	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1585		2662	$map = $check->($map) if $check && $map;
1586	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1587	# if $map;
1588
1589	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1590		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1591	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1592	})->prio (1);	2681	})->prio (1);
1593	}	2682	}
1594		2683
1595	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1596		2685
…		…
1598		2687
1599	sub parse_random_map_params {	2688	sub parse_random_map_params {
1600	my ($spec) = @_;	2689	my ($spec) = @_;
1601		2690
1602	my $rmp = { # defaults	2691	my $rmp = { # defaults
1603	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1604	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1605	};	2696	};
1606		2697
1607	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1608	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1609		2700
…		…
1621	# that depends on the exit object	2712	# that depends on the exit object
1622		2713
1623	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1624		2715
1625	if ($exit->map) {	2716	if ($exit->map) {
1626	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1627	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1628	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1629	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1630	}	2723	}
1631		2724
1632	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1633		2726
1634	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1635	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1636		2730
1637	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1638	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1639		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1640	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1641	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1642	}	2742	}
1643	}	2743	}
1644		2744
1645	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1646	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1648	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1649		2749
1650	$self->enter_link;	2750	$self->enter_link;
1651		2751
1652	(async {	2752	(async {
1653	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1654	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1655	prepare_random_map $exit	2762	prepare_random_map $exit
1656	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1657		2765
1658	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1659	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1660		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1661	1;	2776	1
1662	}) {	2777	}) {
1663	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the deliantra server. "
1664	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1665	. "Please report this to the dungeon master",	2780	. "Please report this to the dungeon master!",
1666	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1667		2782
1668	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1669	$self->leave_link;	2784	$self->leave_link;
1670	}	2785	}
1671	})->prio (1);	2786	})->prio (1);
…		…
1684		2799
1685	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1686	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1687		2802
1688	utf8::encode $text;	2803	utf8::encode $text;
1689	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1690	}	2805	}
1691		2806
		2807	=item $client->send_big_packet ($pkt)
		2808
		2809	Like C<send_packet>, but tries to compress large packets, and fragments
		2810	them as required.
		2811
		2812	=cut
		2813
		2814	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2815
		2816	sub cf::client::send_big_packet {
		2817	my ($self, $pkt) = @_;
		2818
		2819	# try lzf for large packets
		2820	$pkt = "lzf " . Compress::LZF::compress $pkt
		2821	if 1024 <= length $pkt and $self->{can_lzf};
		2822
		2823	# split very large packets
		2824	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2825	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2826	$pkt = "frag";
		2827	}
		2828
		2829	$self->send_packet ($pkt);
		2830	}
		2831
		2832	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2833
		2834	Send a drawinfo or msg packet to the client, formatting the msg for the
		2835	client if neccessary. C<$type> should be a string identifying the type of
		2836	the message, with C<log> being the default. If C<$color> is negative, suppress
		2837	the message unless the client supports the msg packet.
		2838
		2839	=cut
		2840
		2841	# non-persistent channels (usually the info channel)
		2842	our %CHANNEL = (
		2843	"c/motd" => {
		2844	id => "infobox",
		2845	title => "MOTD",
		2846	reply => undef,
		2847	tooltip => "The message of the day",
		2848	},
		2849	"c/identify" => {
		2850	id => "infobox",
		2851	title => "Identify",
		2852	reply => undef,
		2853	tooltip => "Items recently identified",
		2854	},
		2855	"c/examine" => {
		2856	id => "infobox",
		2857	title => "Examine",
		2858	reply => undef,
		2859	tooltip => "Signs and other items you examined",
		2860	},
		2861	"c/shopinfo" => {
		2862	id => "infobox",
		2863	title => "Shop Info",
		2864	reply => undef,
		2865	tooltip => "What your bargaining skill tells you about the shop",
		2866	},
		2867	"c/book" => {
		2868	id => "infobox",
		2869	title => "Book",
		2870	reply => undef,
		2871	tooltip => "The contents of a note or book",
		2872	},
		2873	"c/lookat" => {
		2874	id => "infobox",
		2875	title => "Look",
		2876	reply => undef,
		2877	tooltip => "What you saw there",
		2878	},
		2879	"c/who" => {
		2880	id => "infobox",
		2881	title => "Players",
		2882	reply => undef,
		2883	tooltip => "Shows players who are currently online",
		2884	},
		2885	"c/body" => {
		2886	id => "infobox",
		2887	title => "Body Parts",
		2888	reply => undef,
		2889	tooltip => "Shows which body parts you posess and are available",
		2890	},
		2891	"c/statistics" => {
		2892	id => "infobox",
		2893	title => "Statistics",
		2894	reply => undef,
		2895	tooltip => "Shows your primary statistics",
		2896	},
		2897	"c/skills" => {
		2898	id => "infobox",
		2899	title => "Skills",
		2900	reply => undef,
		2901	tooltip => "Shows your experience per skill and item power",
		2902	},
		2903	"c/shopitems" => {
		2904	id => "infobox",
		2905	title => "Shop Items",
		2906	reply => undef,
		2907	tooltip => "Shows the items currently for sale in this shop",
		2908	},
		2909	"c/resistances" => {
		2910	id => "infobox",
		2911	title => "Resistances",
		2912	reply => undef,
		2913	tooltip => "Shows your resistances",
		2914	},
		2915	"c/pets" => {
		2916	id => "infobox",
		2917	title => "Pets",
		2918	reply => undef,
		2919	tooltip => "Shows information abotu your pets/a specific pet",
		2920	},
		2921	"c/perceiveself" => {
		2922	id => "infobox",
		2923	title => "Perceive Self",
		2924	reply => undef,
		2925	tooltip => "You gained detailed knowledge about yourself",
		2926	},
		2927	"c/uptime" => {
		2928	id => "infobox",
		2929	title => "Uptime",
		2930	reply => undef,
		2931	tooltip => "How long the server has been running since last restart",
		2932	},
		2933	"c/mapinfo" => {
		2934	id => "infobox",
		2935	title => "Map Info",
		2936	reply => undef,
		2937	tooltip => "Information related to the maps",
		2938	},
		2939	"c/party" => {
		2940	id => "party",
		2941	title => "Party",
		2942	reply => "gsay ",
		2943	tooltip => "Messages and chat related to your party",
		2944	},
		2945	"c/death" => {
		2946	id => "death",
		2947	title => "Death",
		2948	reply => undef,
		2949	tooltip => "Reason for and more info about your most recent death",
		2950	},
		2951	"c/say" => $SAY_CHANNEL,
		2952	"c/chat" => $CHAT_CHANNEL,
		2953	);
		2954
		2955	sub cf::client::send_msg {
		2956	my ($self, $channel, $msg, $color, @extra) = @_;
		2957
		2958	$msg = $self->pl->expand_cfpod ($msg)
		2959	unless $color & cf::NDI_VERBATIM;
		2960
		2961	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2962
		2963	# check predefined channels, for the benefit of C
		2964	if ($CHANNEL{$channel}) {
		2965	$channel = $CHANNEL{$channel};
		2966
		2967	$self->ext_msg (channel_info => $channel);
		2968	$channel = $channel->{id};
		2969
		2970	} elsif (ref $channel) {
		2971	# send meta info to client, if not yet sent
		2972	unless (exists $self->{channel}{$channel->{id}}) {
		2973	$self->{channel}{$channel->{id}} = $channel;
		2974	$self->ext_msg (channel_info => $channel);
		2975	}
		2976
		2977	$channel = $channel->{id};
		2978	}
		2979
		2980	return unless @extra || length $msg;
		2981
		2982	# default colour, mask it out
		2983	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2984	if $color & cf::NDI_DEF;
		2985
		2986	my $pkt = "msg "
		2987	. $self->{json_coder}->encode (
		2988	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2989	);
		2990
		2991	$self->send_big_packet ($pkt);
		2992	}
		2993
		2994	=item $client->ext_msg ($type, @msg)
		2995
		2996	Sends an ext event to the client.
		2997
		2998	=cut
		2999
		3000	sub cf::client::ext_msg($$@) {
		3001	my ($self, $type, @msg) = @_;
		3002
		3003	if ($self->extcmd == 2) {
		3004	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3005	} elsif ($self->extcmd == 1) { # TODO: remove
		3006	push @msg, msgtype => "event_$type";
		3007	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3008	}
		3009	}
		3010
		3011	=item $client->ext_reply ($msgid, @msg)
		3012
		3013	Sends an ext reply to the client.
		3014
		3015	=cut
		3016
		3017	sub cf::client::ext_reply($$@) {
		3018	my ($self, $id, @msg) = @_;
		3019
		3020	if ($self->extcmd == 2) {
		3021	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3022	} elsif ($self->extcmd == 1) {
		3023	#TODO: version 1, remove
		3024	unshift @msg, msgtype => "reply", msgid => $id;
		3025	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3026	}
		3027	}
1692		3028
1693	=item $success = $client->query ($flags, "text", \&cb)	3029	=item $success = $client->query ($flags, "text", \&cb)
1694		3030
1695	Queues a query to the client, calling the given callback with	3031	Queues a query to the client, calling the given callback with
1696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3032	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3033	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1698		3034
1699	Queries can fail, so check the return code. Or don't, as queries will become	3035	Queries can fail, so check the return code. Or don't, as queries will
1700	reliable at some point in the future.	3036	become reliable at some point in the future.
1701		3037
1702	=cut	3038	=cut
1703		3039
1704	sub cf::client::query {	3040	sub cf::client::query {
1705	my ($self, $flags, $text, $cb) = @_;	3041	my ($self, $flags, $text, $cb) = @_;
…		…
1713	utf8::encode $text;	3049	utf8::encode $text;
1714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3050	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1715		3051
1716	$self->send_packet ($self->{query_queue}[0][0])	3052	$self->send_packet ($self->{query_queue}[0][0])
1717	if @{ $self->{query_queue} } == 1;	3053	if @{ $self->{query_queue} } == 1;
		3054
		3055	1
1718	}	3056	}
1719		3057
1720	cf::client->attach (	3058	cf::client->attach (
		3059	on_connect => sub {
		3060	my ($ns) = @_;
		3061
		3062	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3063	},
1721	on_reply => sub {	3064	on_reply => sub {
1722	my ($ns, $msg) = @_;	3065	my ($ns, $msg) = @_;
1723		3066
1724	# this weird shuffling is so that direct followup queries	3067	# this weird shuffling is so that direct followup queries
1725	# get handled first	3068	# get handled first
1726	my $queue = delete $ns->{query_queue}	3069	my $queue = delete $ns->{query_queue}
1727	or return; # be conservative, not sure how that can happen, but we saw a crash here	3070	or return; # be conservative, not sure how that can happen, but we saw a crash here
1728		3071
1729	(shift @$queue)->[1]->($msg);	3072	(shift @$queue)->[1]->($msg);
		3073	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1730		3074
1731	push @{ $ns->{query_queue} }, @$queue;	3075	push @{ $ns->{query_queue} }, @$queue;
1732		3076
1733	if (@{ $ns->{query_queue} } == @$queue) {	3077	if (@{ $ns->{query_queue} } == @$queue) {
1734	if (@$queue) {	3078	if (@$queue) {
…		…
1736	} else {	3080	} else {
1737	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3081	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1738	}	3082	}
1739	}	3083	}
1740	},	3084	},
		3085	on_exticmd => sub {
		3086	my ($ns, $buf) = @_;
		3087
		3088	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3089
		3090	if (ref $msg) {
		3091	my ($type, $reply, @payload) =
		3092	"ARRAY" eq ref $msg
		3093	? @$msg
		3094	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3095
		3096	my @reply;
		3097
		3098	if (my $cb = $EXTICMD{$type}) {
		3099	@reply = $cb->($ns, @payload);
		3100	}
		3101
		3102	$ns->ext_reply ($reply, @reply)
		3103	if $reply;
		3104
		3105	} else {
		3106	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3107	}
		3108
		3109	cf::override;
		3110	},
1741	);	3111	);
1742		3112
1743	=item $client->async (\&cb)	3113	=item $client->async (\&cb)
1744		3114
1745	Create a new coroutine, running the specified callback. The coroutine will	3115	Create a new coroutine, running the specified callback. The coroutine will
…		…
1786	our $safe = new Safe "safe";	3156	our $safe = new Safe "safe";
1787	our $safe_hole = new Safe::Hole;	3157	our $safe_hole = new Safe::Hole;
1788		3158
1789	$SIG{FPE} = 'IGNORE';	3159	$SIG{FPE} = 'IGNORE';
1790		3160
1791	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3161	$safe->permit_only (Opcode::opset qw(
		3162	:base_core :base_mem :base_orig :base_math :base_loop
		3163	grepstart grepwhile mapstart mapwhile
		3164	sort time
		3165	));
1792		3166
1793	# here we export the classes and methods available to script code	3167	# here we export the classes and methods available to script code
1794		3168
1795	=pod	3169	=pod
1796		3170
1797	The following fucntions and emthods are available within a safe environment:	3171	The following functions and methods are available within a safe environment:
1798		3172
1799	cf::object contr pay_amount pay_player map	3173	cf::object
		3174	contr pay_amount pay_player map x y force_find force_add destroy
		3175	insert remove name archname title slaying race decrease split
		3176	value
		3177
1800	cf::object::player player	3178	cf::object::player
1801	cf::player peaceful	3179	player
1802	cf::map trigger	3180
		3181	cf::player
		3182	peaceful
		3183
		3184	cf::map
		3185	trigger
1803		3186
1804	=cut	3187	=cut
1805		3188
1806	for (	3189	for (
1807	["cf::object" => qw(contr pay_amount pay_player map)],	3190	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3191	insert remove inv nrof name archname title slaying race
		3192	decrease split destroy change_exp value msg lore send_msg)],
1808	["cf::object::player" => qw(player)],	3193	["cf::object::player" => qw(player)],
1809	["cf::player" => qw(peaceful)],	3194	["cf::player" => qw(peaceful send_msg)],
1810	["cf::map" => qw(trigger)],	3195	["cf::map" => qw(trigger)],
1811	) {	3196	) {
1812	no strict 'refs';	3197	no strict 'refs';
1813	my ($pkg, @funs) = @$_;	3198	my ($pkg, @funs) = @$_;
1814	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3199	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1832		3217
1833	my $qcode = $code;	3218	my $qcode = $code;
1834	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3219	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1835	$qcode =~ s/\n/\\n/g;	3220	$qcode =~ s/\n/\\n/g;
1836		3221
		3222	%vars = (_dummy => 0) unless %vars;
		3223
		3224	my @res;
1837	local $_;	3225	local $_;
1838	local @safe::cf::_safe_eval_args = values %vars;
1839		3226
1840	my $eval =	3227	my $eval =
1841	"do {\n"	3228	"do {\n"
1842	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3229	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1843	. "#line 0 \"{$qcode}\"\n"	3230	. "#line 0 \"{$qcode}\"\n"
1844	. $code	3231	. $code
1845	. "\n}"	3232	. "\n}"
1846	;	3233	;
1847		3234
		3235	if ($CFG{safe_eval}) {
1848	sub_generation_inc;	3236	sub_generation_inc;
		3237	local @safe::cf::_safe_eval_args = values %vars;
1849	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3238	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1850	sub_generation_inc;	3239	sub_generation_inc;
		3240	} else {
		3241	local @cf::_safe_eval_args = values %vars;
		3242	@res = wantarray ? eval eval : scalar eval $eval;
		3243	}
1851		3244
1852	if ($@) {	3245	if ($@) {
1853	warn "$@";	3246	warn "$@";
1854	warn "while executing safe code '$code'\n";	3247	warn "while executing safe code '$code'\n";
1855	warn "with arguments " . (join " ", %vars) . "\n";	3248	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1874	=cut	3267	=cut
1875		3268
1876	sub register_script_function {	3269	sub register_script_function {
1877	my ($fun, $cb) = @_;	3270	my ($fun, $cb) = @_;
1878		3271
1879	no strict 'refs';	3272	$fun = "safe::$fun" if $CFG{safe_eval};
1880	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3273	*$fun = $safe_hole->wrap ($cb);
1881	}	3274	}
1882		3275
1883	=back	3276	=back
1884		3277
1885	=cut	3278	=cut
1886		3279
1887	#############################################################################	3280	#############################################################################
		3281	# the server's init and main functions
1888		3282
1889	=head2 EXTENSION DATABASE SUPPORT	3283	sub load_facedata($) {
		3284	my ($path) = @_;
1890		3285
1891	Crossfire maintains a very simple database for extension use. It can	3286	# HACK to clear player env face cache, we need some signal framework
1892	currently store anything that can be serialised using Storable, which	3287	# for this (global event?)
1893	excludes objects.	3288	%ext::player_env::MUSIC_FACE_CACHE = ();
1894		3289
1895	The parameter C<$family> should best start with the name of the extension	3290	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1896	using it, it should be unique.
1897		3291
1898	=over 4	3292	warn "loading facedata from $path\n";
1899		3293
1900	=item $hashref = cf::db_get $family	3294	my $facedata;
		3295	0 < aio_load $path, $facedata
		3296	or die "$path: $!";
1901		3297
1902	Return a hashref for use by the extension C<$family>, which can be	3298	$facedata = Coro::Storable::thaw $facedata;
1903	modified. After modifications, you have to call C<cf::db_dirty> or
1904	C<cf::db_sync>.
1905		3299
1906	=item $value = cf::db_get $family => $key	3300	$facedata->{version} == 2
		3301	or cf::cleanup "$path: version mismatch, cannot proceed.";
1907		3302
1908	Returns a single value from the database	3303	# patch in the exptable
1909		3304	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1910	=item cf::db_put $family => $hashref	3305	$facedata->{resource}{"res/exp_table"} = {
1911		3306	type => FT_RSRC,
1912	Stores the given family hashref into the database. Updates are delayed, if	3307	data => $exp_table,
1913	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3308	hash => (Digest::MD5::md5 $exp_table),
1914
1915	=item cf::db_put $family => $key => $value
1916
1917	Stores the given C<$value> in the family hash. Updates are delayed, if you
1918	want the data to be synced to disk immediately, use C<cf::db_sync>.
1919
1920	=item cf::db_dirty
1921
1922	Marks the database as dirty, to be updated at a later time.
1923
1924	=item cf::db_sync
1925
1926	Immediately write the database to disk I<if it is dirty>.
1927
1928	=cut
1929
1930	our $DB;
1931
1932	{
1933	my $path = cf::localdir . "/database.pst";
1934
1935	sub db_load() {
1936	$DB = stat $path ? Storable::retrieve $path : { };
1937	}
1938
1939	my $pid;
1940
1941	sub db_save() {
1942	waitpid $pid, 0 if $pid;
1943	if (0 == ($pid = fork)) {
1944	$DB->{_meta}{version} = 1;
1945	Storable::nstore $DB, "$path~";
1946	rename "$path~", $path;
1947	cf::_exit 0 if defined $pid;
1948	}
1949	}
1950
1951	my $dirty;
1952
1953	sub db_sync() {
1954	db_save if $dirty;
1955	undef $dirty;
1956	}
1957
1958	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1959	db_sync;
1960	});	3309	};
		3310	cf::cede_to_tick;
1961		3311
1962	sub db_dirty() {
1963	$dirty = 1;
1964	$idle->start;
1965	}	3312	{
		3313	my $faces = $facedata->{faceinfo};
1966		3314
1967	sub db_get($;$) {	3315	while (my ($face, $info) = each %$faces) {
1968	@_ >= 2	3316	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1969	? $DB->{$_[0]}{$_[1]}
1970	: ($DB->{$_[0]} ||= { })
1971	}
1972		3317
1973	sub db_put($$;$) {	3318	cf::face::set_visibility $idx, $info->{visibility};
1974	if (@_ >= 3) {	3319	cf::face::set_magicmap $idx, $info->{magicmap};
1975	$DB->{$_[0]}{$_[1]} = $_[2];	3320	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1976	} else {	3321	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1977	$DB->{$_[0]} = $_[1];
1978	}
1979	db_dirty;
1980	}
1981		3322
1982	cf::global->attach (	3323	cf::cede_to_tick;
1983	prio => 10000,
1984	on_cleanup => sub {
1985	db_sync;
1986	},	3324	}
1987	);
1988	}
1989		3325
1990	#############################################################################	3326	while (my ($face, $info) = each %$faces) {
1991	# the server's main()	3327	next unless $info->{smooth};
1992		3328
1993	sub cfg_load {	3329	my $idx = cf::face::find $face
		3330	or next;
		3331
		3332	if (my $smooth = cf::face::find $info->{smooth}) {
		3333	cf::face::set_smooth $idx, $smooth;
		3334	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3335	} else {
		3336	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3337	}
		3338
		3339	cf::cede_to_tick;
		3340	}
		3341	}
		3342
		3343	{
		3344	my $anims = $facedata->{animinfo};
		3345
		3346	while (my ($anim, $info) = each %$anims) {
		3347	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3348	cf::cede_to_tick;
		3349	}
		3350
		3351	cf::anim::invalidate_all; # d'oh
		3352	}
		3353
		3354	{
		3355	my $res = $facedata->{resource};
		3356
		3357	while (my ($name, $info) = each %$res) {
		3358	if (defined $info->{type}) {
		3359	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3360
		3361	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3362	cf::face::set_type $idx, $info->{type};
		3363	} else {
		3364	$RESOURCE{$name} = $info;
		3365	}
		3366
		3367	cf::cede_to_tick;
		3368	}
		3369	}
		3370
		3371	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3372
		3373	1
		3374	}
		3375
		3376	cf::global->attach (on_resource_update => sub {
		3377	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3378	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3379
		3380	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3381	my $sound = $soundconf->{compat}[$_]
		3382	or next;
		3383
		3384	my $face = cf::face::find "sound/$sound->[1]";
		3385	cf::sound::set $sound->[0] => $face;
		3386	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3387	}
		3388
		3389	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3390	my $face = cf::face::find "sound/$v";
		3391	cf::sound::set $k => $face;
		3392	}
		3393	}
		3394	});
		3395
		3396	register_exticmd fx_want => sub {
		3397	my ($ns, $want) = @_;
		3398
		3399	while (my ($k, $v) = each %$want) {
		3400	$ns->fx_want ($k, $v);
		3401	}
		3402	};
		3403
		3404	sub load_resource_file($) {
		3405	my $guard = lock_acquire "load_resource_file";
		3406
		3407	my $status = load_resource_file_ $_[0];
		3408	get_slot 0.1, 100;
		3409	cf::arch::commit_load;
		3410
		3411	$status
		3412	}
		3413
		3414	sub reload_regions {
		3415	# HACK to clear player env face cache, we need some signal framework
		3416	# for this (global event?)
		3417	%ext::player_env::MUSIC_FACE_CACHE = ();
		3418
		3419	load_resource_file "$MAPDIR/regions"
		3420	or die "unable to load regions file\n";
		3421
		3422	for (cf::region::list) {
		3423	$_->{match} = qr/$_->{match}/
		3424	if exists $_->{match};
		3425	}
		3426	}
		3427
		3428	sub reload_facedata {
		3429	load_facedata "$DATADIR/facedata"
		3430	or die "unable to load facedata\n";
		3431	}
		3432
		3433	sub reload_archetypes {
		3434	load_resource_file "$DATADIR/archetypes"
		3435	or die "unable to load archetypes\n";
		3436	}
		3437
		3438	sub reload_treasures {
		3439	load_resource_file "$DATADIR/treasures"
		3440	or die "unable to load treasurelists\n";
		3441	}
		3442
		3443	sub reload_resources {
		3444	warn "reloading resource files...\n";
		3445
		3446	reload_facedata;
		3447	reload_archetypes;
		3448	reload_regions;
		3449	reload_treasures;
		3450
		3451	warn "finished reloading resource files\n";
		3452	}
		3453
		3454	sub reload_config {
		3455	warn "reloading config file...\n";
		3456
1994	open my $fh, "<:utf8", cf::confdir . "/config"	3457	open my $fh, "<:utf8", "$CONFDIR/config"
1995	or return;	3458	or return;
1996		3459
1997	local $/;	3460	local $/;
1998	*CFG = YAML::Syck::Load <$fh>;	3461	*CFG = YAML::XS::Load scalar <$fh>;
1999		3462
2000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3463	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2001		3464
2002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3465	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3466	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004		3467
2005	if (exists $CFG{mlockall}) {	3468	if (exists $CFG{mlockall}) {
2006	eval {	3469	eval {
2007	$CFG{mlockall} ? &mlockall : &munlockall	3470	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008	and die "WARNING: m(un)lockall failed: $!\n";	3471	and die "WARNING: m(un)lockall failed: $!\n";
2009	};	3472	};
2010	warn $@ if $@;	3473	warn $@ if $@;
2011	}	3474	}
		3475
		3476	warn "finished reloading resource files\n";
		3477	}
		3478
		3479	sub pidfile() {
		3480	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3481	or die "$PIDFILE: $!";
		3482	flock $fh, &Fcntl::LOCK_EX
		3483	or die "$PIDFILE: flock: $!";
		3484	$fh
		3485	}
		3486
		3487	# make sure only one server instance is running at any one time
		3488	sub atomic {
		3489	my $fh = pidfile;
		3490
		3491	my $pid = <$fh>;
		3492	kill 9, $pid if $pid > 0;
		3493
		3494	seek $fh, 0, 0;
		3495	print $fh $$;
		3496	}
		3497
		3498	sub main_loop {
		3499	warn "EV::loop starting\n";
		3500	if (1) {
		3501	EV::loop;
		3502	}
		3503	warn "EV::loop returned\n";
		3504	goto &main_loop unless $REALLY_UNLOOP;
2012	}	3505	}
2013		3506
2014	sub main {	3507	sub main {
		3508	cf::init_globals; # initialise logging
		3509
		3510	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3511	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3512	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3513	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3514
		3515	cf::init_experience;
		3516	cf::init_anim;
		3517	cf::init_attackmess;
		3518	cf::init_dynamic;
		3519
		3520	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3521
2015	# we must not ever block the main coroutine	3522	# we must not ever block the main coroutine
2016	local $Coro::idle = sub {	3523	local $Coro::idle = sub {
2017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3524	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2018	async { Event::one_event };	3525	(async {
		3526	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3527	EV::loop EV::LOOP_ONESHOT;
		3528	})->prio (Coro::PRIO_MAX);
2019	};	3529	};
2020		3530
2021	cfg_load;	3531	evthread_start IO::AIO::poll_fileno;
2022	db_load;	3532
		3533	cf::sync_job {
		3534	cf::load_settings;
		3535	cf::load_materials;
		3536
		3537	reload_resources;
		3538	reload_config;
		3539	db_init;
		3540
		3541	cf::init_uuid;
		3542	cf::init_signals;
		3543	cf::init_commands;
		3544	cf::init_skills;
		3545
		3546	cf::init_beforeplay;
		3547
		3548	atomic;
		3549
2023	load_extensions;	3550	load_extensions;
2024	Event::loop;	3551
		3552	utime time, time, $RUNTIMEFILE;
		3553
		3554	# no (long-running) fork's whatsoever before this point(!)
		3555	use POSIX ();
		3556	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3557
		3558	(pop @POST_INIT)->(0) while @POST_INIT;
		3559	};
		3560
		3561	main_loop;
2025	}	3562	}
2026		3563
2027	#############################################################################	3564	#############################################################################
2028	# initialisation	3565	# initialisation and cleanup
2029		3566
		3567	# install some emergency cleanup handlers
		3568	BEGIN {
		3569	our %SIGWATCHER = ();
		3570	for my $signal (qw(INT HUP TERM)) {
		3571	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3572	cf::cleanup "SIG$signal";
		3573	};
		3574	}
		3575	}
		3576
		3577	sub write_runtime_sync {
		3578	# first touch the runtime file to show we are still running:
		3579	# the fsync below can take a very very long time.
		3580
		3581	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3582
		3583	my $guard = cf::lock_acquire "write_runtime";
		3584
		3585	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3586	or return;
		3587
		3588	my $value = $cf::RUNTIME + 90 + 10;
		3589	# 10 is the runtime save interval, for a monotonic clock
		3590	# 60 allows for the watchdog to kill the server.
		3591
		3592	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3593	and return;
		3594
		3595	# always fsync - this file is important
		3596	aio_fsync $fh
		3597	and return;
		3598
		3599	# touch it again to show we are up-to-date
		3600	aio_utime $fh, undef, undef;
		3601
		3602	close $fh
		3603	or return;
		3604
		3605	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3606	and return;
		3607
		3608	warn "runtime file written.\n";
		3609
		3610	1
		3611	}
		3612
		3613	our $uuid_lock;
		3614	our $uuid_skip;
		3615
		3616	sub write_uuid_sync($) {
		3617	$uuid_skip ||= $_[0];
		3618
		3619	return if $uuid_lock;
		3620	local $uuid_lock = 1;
		3621
		3622	my $uuid = "$LOCALDIR/uuid";
		3623
		3624	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3625	or return;
		3626
		3627	my $value = uuid_seq uuid_cur;
		3628
		3629	unless ($value) {
		3630	warn "cowardly refusing to write zero uuid value!\n";
		3631	return;
		3632	}
		3633
		3634	my $value = uuid_str $value + $uuid_skip;
		3635	$uuid_skip = 0;
		3636
		3637	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3638	and return;
		3639
		3640	# always fsync - this file is important
		3641	aio_fsync $fh
		3642	and return;
		3643
		3644	close $fh
		3645	or return;
		3646
		3647	aio_rename "$uuid~", $uuid
		3648	and return;
		3649
		3650	warn "uuid file written ($value).\n";
		3651
		3652	1
		3653
		3654	}
		3655
		3656	sub write_uuid($$) {
		3657	my ($skip, $sync) = @_;
		3658
		3659	$sync ? write_uuid_sync $skip
		3660	: async { write_uuid_sync $skip };
		3661	}
		3662
		3663	sub emergency_save() {
		3664	my $freeze_guard = cf::freeze_mainloop;
		3665
		3666	warn "emergency_perl_save: enter\n";
		3667
		3668	cf::sync_job {
		3669	# this is a trade-off: we want to be very quick here, so
		3670	# save all maps without fsync, and later call a global sync
		3671	# (which in turn might be very very slow)
		3672	local $USE_FSYNC = 0;
		3673
		3674	# use a peculiar iteration method to avoid tripping on perl
		3675	# refcount bugs in for. also avoids problems with players
		3676	# and maps saved/destroyed asynchronously.
		3677	warn "emergency_perl_save: begin player save\n";
		3678	for my $login (keys %cf::PLAYER) {
		3679	my $pl = $cf::PLAYER{$login} or next;
		3680	$pl->valid or next;
		3681	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3682	$pl->save;
		3683	}
		3684	warn "emergency_perl_save: end player save\n";
		3685
		3686	warn "emergency_perl_save: begin map save\n";
		3687	for my $path (keys %cf::MAP) {
		3688	my $map = $cf::MAP{$path} or next;
		3689	$map->valid or next;
		3690	$map->save;
		3691	}
		3692	warn "emergency_perl_save: end map save\n";
		3693
		3694	warn "emergency_perl_save: begin database checkpoint\n";
		3695	BDB::db_env_txn_checkpoint $DB_ENV;
		3696	warn "emergency_perl_save: end database checkpoint\n";
		3697
		3698	warn "emergency_perl_save: begin write uuid\n";
		3699	write_uuid_sync 1;
		3700	warn "emergency_perl_save: end write uuid\n";
		3701	};
		3702
		3703	warn "emergency_perl_save: starting sync()\n";
		3704	IO::AIO::aio_sync sub {
		3705	warn "emergency_perl_save: finished sync()\n";
		3706	};
		3707
		3708	warn "emergency_perl_save: leave\n";
		3709	}
		3710
		3711	sub post_cleanup {
		3712	my ($make_core) = @_;
		3713
		3714	warn Carp::longmess "post_cleanup backtrace"
		3715	if $make_core;
		3716
		3717	my $fh = pidfile;
		3718	unlink $PIDFILE if <$fh> == $$;
		3719	}
		3720
		3721	# a safer delete_package, copied from Symbol
		3722	sub clear_package($) {
		3723	my $pkg = shift;
		3724
		3725	# expand to full symbol table name if needed
		3726	unless ($pkg =~ /^main::.*::$/) {
		3727	$pkg = "main$pkg" if $pkg =~ /^::/;
		3728	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3729	$pkg .= '::' unless $pkg =~ /::$/;
		3730	}
		3731
		3732	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3733	my $stem_symtab = *{$stem}{HASH};
		3734
		3735	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3736	or return;
		3737
		3738	# clear all symbols
		3739	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3740	for my $name (keys %$leaf_symtab) {
		3741	_gv_clear *{"$pkg$name"};
		3742	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3743	}
		3744	warn "cleared package $pkg\n";#d#
		3745	}
		3746
2030	sub reload() {	3747	sub do_reload_perl() {
2031	# can/must only be called in main	3748	# can/must only be called in main
2032	if ($Coro::current != $Coro::main) {	3749	if ($Coro::current != $Coro::main) {
2033	warn "can only reload from main coroutine\n";	3750	warn "can only reload from main coroutine";
2034	return;	3751	return;
2035	}	3752	}
2036		3753
		3754	return if $RELOAD++;
		3755
		3756	my $t1 = EV::time;
		3757
		3758	while ($RELOAD) {
2037	warn "reloading...";	3759	warn "reloading...";
2038		3760
2039	my $guard = freeze_mainloop;	3761	warn "entering sync_job";
		3762
		3763	cf::sync_job {
		3764	cf::write_runtime_sync; # external watchdog should not bark
2040	cf::emergency_save;	3765	cf::emergency_save;
		3766	cf::write_runtime_sync; # external watchdog should not bark
2041		3767
2042	eval {	3768	warn "syncing database to disk";
		3769	BDB::db_env_txn_checkpoint $DB_ENV;
		3770
2043	# if anything goes wrong in here, we should simply crash as we already saved	3771	# if anything goes wrong in here, we should simply crash as we already saved
2044		3772
2045	# cancel all watchers	3773	warn "flushing outstanding aio requests";
2046	for (Event::all_watchers) {	3774	while (IO::AIO::nreqs || BDB::nreqs) {
2047	$_->cancel if $_->data & WF_AUTOCANCEL;	3775	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2048	}
2049
2050	# cancel all extension coros
2051	$_->cancel for values %EXT_CORO;
2052	%EXT_CORO = ();
2053
2054	# unload all extensions
2055	for (@exts) {
2056	warn "unloading <$_>";
2057	unload_extension $_;
2058	}
2059
2060	# unload all modules loaded from $LIBDIR
2061	while (my ($k, $v) = each %INC) {
2062	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063
2064	warn "removing <$k>";
2065	delete $INC{$k};
2066
2067	$k =~ s/\.pm$//;
2068	$k =~ s/\//::/g;
2069
2070	if (my $cb = $k->can ("unload_module")) {
2071	$cb->();
2072	}	3776	}
2073		3777
2074	Symbol::delete_package $k;	3778	warn "cancelling all extension coros";
		3779	$_->cancel for values %EXT_CORO;
		3780	%EXT_CORO = ();
		3781
		3782	warn "removing commands";
		3783	%COMMAND = ();
		3784
		3785	warn "removing ext/exti commands";
		3786	%EXTCMD = ();
		3787	%EXTICMD = ();
		3788
		3789	warn "unloading/nuking all extensions";
		3790	for my $pkg (@EXTS) {
		3791	warn "... unloading $pkg";
		3792
		3793	if (my $cb = $pkg->can ("unload")) {
		3794	eval {
		3795	$cb->($pkg);
		3796	1
		3797	} or warn "$pkg unloaded, but with errors: $@";
		3798	}
		3799
		3800	warn "... clearing $pkg";
		3801	clear_package $pkg;
2075	}	3802	}
2076		3803
2077	# sync database to disk	3804	warn "unloading all perl modules loaded from $LIBDIR";
2078	cf::db_sync;	3805	while (my ($k, $v) = each %INC) {
2079	IO::AIO::flush;	3806	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2080		3807
		3808	warn "... unloading $k";
		3809	delete $INC{$k};
		3810
		3811	$k =~ s/\.pm$//;
		3812	$k =~ s/\//::/g;
		3813
		3814	if (my $cb = $k->can ("unload_module")) {
		3815	$cb->();
		3816	}
		3817
		3818	clear_package $k;
		3819	}
		3820
2081	# get rid of safe::, as good as possible	3821	warn "getting rid of safe::, as good as possible";
2082	Symbol::delete_package "safe::$_"	3822	clear_package "safe::$_"
2083	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3823	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084		3824
2085	# remove register_script_function callbacks	3825	warn "unloading cf.pm \"a bit\"";
2086	# TODO
2087
2088	# unload cf.pm "a bit"
2089	delete $INC{"cf.pm"};	3826	delete $INC{"cf.pm"};
		3827	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2090		3828
2091	# don't, removes xs symbols, too,	3829	# don't, removes xs symbols, too,
2092	# and global variables created in xs	3830	# and global variables created in xs
2093	#Symbol::delete_package __PACKAGE__;	3831	#clear_package __PACKAGE__;
2094		3832
2095	# reload cf.pm	3833	warn "unload completed, starting to reload now";
		3834
2096	warn "reloading cf.pm";	3835	warn "reloading cf.pm";
2097	require cf;	3836	require cf;
2098	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3837	cf::_connect_to_perl_1;
2099		3838
2100	# load config and database again	3839	warn "loading config and database again";
2101	cf::cfg_load;	3840	cf::reload_config;
2102	cf::db_load;
2103		3841
2104	# load extensions
2105	warn "load extensions";	3842	warn "loading extensions";
2106	cf::load_extensions;	3843	cf::load_extensions;
2107		3844
2108	# reattach attachments to objects	3845	if ($REATTACH_ON_RELOAD) {
		3846	warn "reattaching attachments to objects/players";
		3847	_global_reattach; # objects, sockets
		3848	warn "reattaching attachments to maps";
		3849	reattach $_ for values %MAP;
		3850	warn "reattaching attachments to players";
		3851	reattach $_ for values %PLAYER;
		3852	}
		3853
		3854	warn "running post_init jobs";
		3855	(pop @POST_INIT)->(1) while @POST_INIT;
		3856
		3857	warn "leaving sync_job";
		3858
		3859	1
		3860	} or do {
		3861	warn $@;
		3862	cf::cleanup "error while reloading, exiting.";
		3863	};
		3864
2109	warn "reattach";	3865	warn "reloaded";
2110	_global_reattach;	3866	--$RELOAD;
		3867	}
		3868
		3869	$t1 = EV::time - $t1;
		3870	warn "reload completed in ${t1}s\n";
		3871	};
		3872
		3873	our $RELOAD_WATCHER; # used only during reload
		3874
		3875	sub reload_perl() {
		3876	# doing reload synchronously and two reloads happen back-to-back,
		3877	# coro crashes during coro_state_free->destroy here.
		3878
		3879	$RELOAD_WATCHER ||= cf::async {
		3880	Coro::AIO::aio_wait cache_extensions;
		3881
		3882	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3883	do_reload_perl;
		3884	undef $RELOAD_WATCHER;
		3885	};
2111	};	3886	};
2112
2113	if ($@) {
2114	warn $@;
2115	warn "error while reloading, exiting.";
2116	exit 1;
2117	}
2118
2119	warn "reloaded successfully";
2120	};
2121
2122	#############################################################################
2123
2124	unless ($LINK_MAP) {
2125	$LINK_MAP = cf::map::new;
2126
2127	$LINK_MAP->width (41);
2128	$LINK_MAP->height (41);
2129	$LINK_MAP->alloc;
2130	$LINK_MAP->path ("{link}");
2131	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134	# dirty hack because... archetypes are not yet loaded
2135	Event->timer (
2136	after => 2,
2137	cb => sub {
2138	$_[0]->w->cancel;
2139
2140	# provide some exits "home"
2141	my $exit = cf::object::new "exit";
2142
2143	$exit->slaying ($EMERGENCY_POSITION->[0]);
2144	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147	$LINK_MAP->insert ($exit->clone, 19, 19);
2148	$LINK_MAP->insert ($exit->clone, 19, 20);
2149	$LINK_MAP->insert ($exit->clone, 19, 21);
2150	$LINK_MAP->insert ($exit->clone, 20, 19);
2151	$LINK_MAP->insert ($exit->clone, 20, 21);
2152	$LINK_MAP->insert ($exit->clone, 21, 19);
2153	$LINK_MAP->insert ($exit->clone, 21, 20);
2154	$LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156	$exit->destroy;
2157	});
2158
2159	$LINK_MAP->{deny_save} = 1;
2160	$LINK_MAP->{deny_reset} = 1;
2161
2162	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163	}	3887	}
2164
2165	register "<global>", __PACKAGE__;
2166		3888
2167	register_command "reload" => sub {	3889	register_command "reload" => sub {
2168	my ($who, $arg) = @_;	3890	my ($who, $arg) = @_;
2169		3891
2170	if ($who->flag (FLAG_WIZ)) {	3892	if ($who->flag (FLAG_WIZ)) {
2171	$who->message ("start of reload.");
2172	reload;
2173	$who->message ("end of reload.");	3893	$who->message ("reloading server.");
		3894	async {
		3895	$Coro::current->{desc} = "perl_reload";
		3896	reload_perl;
		3897	};
2174	}	3898	}
2175	};	3899	};
2176		3900
2177	unshift @INC, $LIBDIR;	3901	unshift @INC, $LIBDIR;
2178		3902
2179	$TICK_WATCHER = Event->timer (	3903	my $bug_warning = 0;
2180	reentrant => 0,	3904
2181	prio => 0,	3905	our @WAIT_FOR_TICK;
2182	at => $NEXT_TICK || $TICK,	3906	our @WAIT_FOR_TICK_BEGIN;
2183	data => WF_AUTOCANCEL,	3907
2184	cb => sub {	3908	sub wait_for_tick {
		3909	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3910
		3911	my $signal = new Coro::Signal;
		3912	push @WAIT_FOR_TICK, $signal;
		3913	$signal->wait;
		3914	}
		3915
		3916	sub wait_for_tick_begin {
		3917	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3918
		3919	my $signal = new Coro::Signal;
		3920	push @WAIT_FOR_TICK_BEGIN, $signal;
		3921	$signal->wait;
		3922	}
		3923
		3924	sub tick {
		3925	if ($Coro::current != $Coro::main) {
		3926	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3927	unless ++$bug_warning > 10;
		3928	return;
		3929	}
		3930
2185	cf::server_tick; # one server iteration	3931	cf::server_tick; # one server iteration
2186	$RUNTIME += $TICK;
2187	$NEXT_TICK += $TICK;
2188		3932
2189	# if we are delayed by four ticks or more, skip them all	3933	#for(1..3e6){} EV::now_update; $NOW=EV::now; # generate load #d#
2190	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191		3934
2192	$TICK_WATCHER->at ($NEXT_TICK);	3935	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2193	$TICK_WATCHER->start;	3936	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2194	},	3937	Coro::async_pool {
2195	);	3938	$Coro::current->{desc} = "runtime saver";
2196
2197	IO::AIO::max_poll_time $TICK * 0.2;
2198
2199	Event->io (
2200	fd => IO::AIO::poll_fileno,
2201	poll => 'r',
2202	prio => 5,
2203	data => WF_AUTOCANCEL,
2204	cb => \&IO::AIO::poll_cb,
2205	);
2206
2207	Event->timer (
2208	data => WF_AUTOCANCEL,
2209	after => 0,
2210	interval => 10,
2211	cb => sub {
2212	(Coro::unblock_sub {
2213	write_runtime	3939	write_runtime_sync
2214	or warn "ERROR: unable to write runtime file: $!";	3940	or warn "ERROR: unable to write runtime file: $!";
2215	})->();	3941	};
2216	},	3942	}
2217	);	3943
		3944	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3945	$sig->send;
		3946	}
		3947	while (my $sig = shift @WAIT_FOR_TICK) {
		3948	$sig->send;
		3949	}
		3950
		3951	$LOAD = ($NOW - $TICK_START) / $TICK;
		3952	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3953
		3954	if (0) {
		3955	if ($NEXT_TICK) {
		3956	my $jitter = $TICK_START - $NEXT_TICK;
		3957	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3958	warn "jitter $JITTER\n";#d#
		3959	}
		3960	}
		3961	}
		3962
		3963	{
		3964	# configure BDB
		3965
		3966	BDB::min_parallel 16;
		3967	BDB::max_poll_reqs $TICK * 0.1;
		3968	$AnyEvent::BDB::WATCHER->priority (1);
		3969
		3970	unless ($DB_ENV) {
		3971	$DB_ENV = BDB::db_env_create;
		3972	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3973	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3974	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3975	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3976	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3977
		3978	cf::sync_job {
		3979	eval {
		3980	BDB::db_env_open
		3981	$DB_ENV,
		3982	$BDBDIR,
		3983	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3984	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3985	0666;
		3986
		3987	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3988	};
		3989
		3990	cf::cleanup "db_env_open(db): $@" if $@;
		3991	};
		3992	}
		3993
		3994	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3995	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3996	};
		3997	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3998	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3999	};
		4000	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4001	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4002	};
		4003	}
		4004
		4005	{
		4006	# configure IO::AIO
		4007
		4008	IO::AIO::min_parallel 8;
		4009	IO::AIO::max_poll_time $TICK * 0.1;
		4010	undef $AnyEvent::AIO::WATCHER;
		4011	}
		4012
		4013	my $_log_backtrace;
		4014
		4015	sub _log_backtrace {
		4016	my ($msg, @addr) = @_;
		4017
		4018	$msg =~ s/\n//;
		4019
		4020	# limit the # of concurrent backtraces
		4021	if ($_log_backtrace < 2) {
		4022	++$_log_backtrace;
		4023	my $perl_bt = Carp::longmess $msg;
		4024	async {
		4025	$Coro::current->{desc} = "abt $msg";
		4026
		4027	my @bt = fork_call {
		4028	@addr = map { sprintf "%x", $_ } @addr;
		4029	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4030	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4031	or die "addr2line: $!";
		4032
		4033	my @funcs;
		4034	my @res = <$fh>;
		4035	chomp for @res;
		4036	while (@res) {
		4037	my ($func, $line) = splice @res, 0, 2, ();
		4038	push @funcs, "[$func] $line";
		4039	}
		4040
		4041	@funcs
		4042	};
		4043
		4044	LOG llevInfo, "[ABT] $perl_bt\n";
		4045	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4046	LOG llevInfo, "[ABT] $_\n" for @bt;
		4047	--$_log_backtrace;
		4048	};
		4049	} else {
		4050	LOG llevInfo, "[ABT] $msg\n";
		4051	LOG llevInfo, "[ABT] [suppressed]\n";
		4052	}
		4053	}
		4054
		4055	# load additional modules
		4056	require "cf/$_.pm" for @EXTRA_MODULES;
		4057	cf::_connect_to_perl_2;
2218		4058
2219	END { cf::emergency_save }	4059	END { cf::emergency_save }
2220		4060
2221	1	4061	1
2222		4062

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