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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.492 by root, Mon Oct 26 01:22:34 2009 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
12		37
		38	use Guard ();
13	use Coro 3.3 ();	39	use Coro ();
		40	use Coro::State;
		41	use Coro::Handle;
		42	use Coro::EV;
14	use Coro::Event;	43	use Coro::AnyEvent;
15	use Coro::Timer;	44	use Coro::Timer;
16	use Coro::Signal;	45	use Coro::Signal;
17	use Coro::Semaphore;	46	use Coro::Semaphore;
		47	use Coro::SemaphoreSet;
		48	use Coro::AnyEvent;
18	use Coro::AIO;	49	use Coro::AIO;
		50	use Coro::BDB 1.6;
		51	use Coro::Storable;
		52	use Coro::Util ();
19		53
		54	use JSON::XS 2.01 ();
		55	use BDB ();
		56	use Data::Dumper;
20	use Digest::MD5;	57	use Digest::MD5;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.32 ();
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 %PLAYER; # all users	131	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	132	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	133	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	134
56	our %EXT_CORO; # coroutines bound to extensions	135	# used to convert map paths into valid unix filenames by replacing / by ∕
		136	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		137
		138	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		139	our $LOADAVG; # same thing, but with alpha-smoothing
		140	our $JITTER; # average jitter
		141	our $TICK_START; # for load detecting purposes
		142
		143	our @POST_INIT;
		144
		145	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		146	our $REALLY_UNLOOP; # never set to true, please :)
57		147
58	binmode STDOUT;	148	binmode STDOUT;
59	binmode STDERR;	149	binmode STDERR;
60		150
61	# read virtual server time, if available	151	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	152	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	153	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	154	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	155	$RUNTIME = <$fh> + 0.;
66	}	156	}
67		157
68	mkdir cf::localdir;	158	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		159
74	# a special map that is always available	160	mkdir $_
75	our $LINK_MAP;	161	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		162
76	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::"} };
77		177
78	#############################################################################	178	#############################################################################
79		179
80	=head2 GLOBAL VARIABLES	180	=head2 GLOBAL VARIABLES
81		181
…		…
88	=item $cf::RUNTIME	188	=item $cf::RUNTIME
89		189
90	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
91	every server tick.	191	every server tick.
92		192
93	=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
94		196
95	The perl library directory, where extensions and cf-specific modules can	197	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		201
98	=item $cf::NOW	202	=item $cf::NOW
99		203
100	The time of the last (current) server tick.	204	The time of the last (current) server tick.
101		205
102	=item $cf::TICK	206	=item $cf::TICK
103		207
104	The interval between server ticks, in seconds.	208	The interval between server ticks, in seconds.
105		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
106	=item %cf::CFG	220	=item %cf::CFG
107		221
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	222	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	223	from wherever your confdir points to.
110		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
111	=back	243	=back
112		244
113	=cut	245	=cut
114		246
115	BEGIN {	247	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	248	my $msg = join "", @_;
118	utf8::encode $msg;
119		249
120	$msg .= "\n"	250	$msg .= "\n"
121	unless $msg =~ /\n$/;	251	unless $msg =~ /\n$/;
122		252
		253	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		254
123	LOG llevError, $msg;	255	LOG llevError, $msg;
124	};	256	};
125	}	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	};
126		271
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	272	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	273	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	274	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	275	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		279
134	# 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
135	# within the Safe compartment.	281	# within the Safe compartment.
136	for my $pkg (qw(	282	for my $pkg (qw(
137	cf::global cf::attachable	283	cf::global cf::attachable
138	cf::object cf::object::player	284	cf::object cf::object::player
139	cf::client cf::player	285	cf::client cf::player
140	cf::arch cf::living	286	cf::arch cf::living
		287	cf::map cf::mapspace
141	cf::map cf::party cf::region	288	cf::party cf::region
142	)) {	289	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	290	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	291	}
146		292
147	$Event::DIED = sub {	293	$EV::DIED = sub {
148	warn "error in event callback: @_";	294	warn "error in event callback: @_";
149	};	295	};
150		296
151	my %ext_pkg;	297	#############################################################################
152	my @exts;
153	my @hook;
154		298
155	=head2 UTILITY FUNCTIONS	299	=head2 UTILITY FUNCTIONS
156		300
157	=over 4	301	=over 4
158		302
159	=cut	303	=item dumpval $ref
160		304
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	305	=cut
162		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
163	=item $ref = cf::from_json $json	326	=item $ref = cf::decode_json $json
164		327
165	Converts a JSON string into the corresponding perl data structure.	328	Converts a JSON string into the corresponding perl data structure.
166		329
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	330	=item $json = cf::encode_json $ref
175		331
176	Converts a perl data structure into its JSON representation.	332	Converts a perl data structure into its JSON representation.
177		333
178	=cut	334	=cut
179		335
180	sub to_json($) {	336	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	337
182	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;
183	}	353	}
184		354
185	=item cf::lock_wait $string	355	=item cf::lock_wait $string
186		356
187	Wait until the given lock is available. See cf::lock_acquire.	357	Wait until the given lock is available. See cf::lock_acquire.
188		358
189	=item my $lock = cf::lock_acquire $string	359	=item my $lock = cf::lock_acquire $string
190		360
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	363	for example when the coroutine gets canceled), the lock is automatically
194	returned.	364	returned.
195		365
		366	Locks are *not* recursive, locking from the same coro twice results in a
		367	deadlocked coro.
		368
196	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
197	uses map_find and cf::map::load uses map_load).	370	uses map_find and cf::map::load uses map_load).
198		371
199	=cut	372	=item $locked = cf::lock_active $string
200		373
201	our %LOCK;	374	Return true if the lock is currently active, i.e. somebody has locked it.
		375
		376	=cut
		377
		378	our $LOCKS = new Coro::SemaphoreSet;
202		379
203	sub lock_wait($) {	380	sub lock_wait($) {
204	my ($key) = @_;	381	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	382	}
212		383
213	sub lock_acquire($) {	384	sub lock_acquire($) {
214	my ($key) = @_;	385	$LOCKS->guard ($_[0])
		386	}
215		387
216	# wait, to be sure we are not locked	388	sub lock_active($) {
217	lock_wait $key;	389	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	390	}
226		391
227	sub freeze_mainloop {	392	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	393	tick_inhibit_inc;
229		394
230	my $guard = Coro::guard { $TICK_WATCHER->start };	395	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	396	}
232	$guard	397
		398	=item cf::periodic $interval, $cb
		399
		400	Like EV::periodic, but randomly selects a starting point so that the actions
		401	get spread over timer.
		402
		403	=cut
		404
		405	sub periodic($$) {
		406	my ($interval, $cb) = @_;
		407
		408	my $start = rand List::Util::min 180, $interval;
		409
		410	EV::periodic $start, $interval, 0, $cb
		411	}
		412
		413	=item cf::get_slot $time[, $priority[, $name]]
		414
		415	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		416	This call blocks and returns only when you have at least C<$time> seconds
		417	of cpu time till the next tick. The slot is only valid till the next cede.
		418
		419	The optional C<$name> can be used to identify the job to run. It might be
		420	used for statistical purposes and should identify the same time-class.
		421
		422	Useful for short background jobs.
		423
		424	=cut
		425
		426	our @SLOT_QUEUE;
		427	our $SLOT_QUEUE;
		428
		429	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		430	$SLOT_QUEUE = Coro::async {
		431	$Coro::current->desc ("timeslot manager");
		432
		433	my $signal = new Coro::Signal;
		434
		435	while () {
		436	next_job:
		437	my $avail = cf::till_tick;
		438	if ($avail > 0.01) {
		439	for (0 .. $#SLOT_QUEUE) {
		440	if ($SLOT_QUEUE[$_][0] < $avail) {
		441	my $job = splice @SLOT_QUEUE, $_, 1, ();
		442	$job->[2]->send;
		443	Coro::cede;
		444	goto next_job;
		445	}
		446	}
		447	}
		448
		449	if (@SLOT_QUEUE) {
		450	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		451	push @cf::WAIT_FOR_TICK, $signal;
		452	$signal->wait;
		453	} else {
		454	Coro::schedule;
		455	}
		456	}
		457	};
		458
		459	sub get_slot($;$$) {
		460	return if tick_inhibit || $Coro::current == $Coro::main;
		461
		462	my ($time, $pri, $name) = @_;
		463
		464	$time = $TICK * .6 if $time > $TICK * .6;
		465	my $sig = new Coro::Signal;
		466
		467	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		468	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		469	$SLOT_QUEUE->ready;
		470	$sig->wait;
233	}	471	}
234		472
235	=item cf::async { BLOCK }	473	=item cf::async { BLOCK }
236		474
237	Currently the same as Coro::async_pool, meaning you cannot use	475	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		480
243	BEGIN { *async = \&Coro::async_pool }	481	BEGIN { *async = \&Coro::async_pool }
244		482
245	=item cf::sync_job { BLOCK }	483	=item cf::sync_job { BLOCK }
246		484
247	The design of crossfire+ requires that the main coro ($Coro::main) is	485	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	486	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	487	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		488	acceptable.
250		489
251	If it must be done, put the blocking parts into C<sync_job>. This will run	490	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	491	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	492	server will be frozen during this time, so the block should either finish
254	fast or be very important.	493	fast or be very important.
…		…
257		496
258	sub sync_job(&) {	497	sub sync_job(&) {
259	my ($job) = @_;	498	my ($job) = @_;
260		499
261	if ($Coro::current == $Coro::main) {	500	if ($Coro::current == $Coro::main) {
		501	my $time = EV::time;
		502
262	# this is the main coro, too bad, we have to block	503	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	504	# till the operation succeeds, freezing the server :/
264		505
265	# TODO: use suspend/resume instead	506	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	507
267	my $freeze_guard = freeze_mainloop;	508	my $freeze_guard = freeze_mainloop;
268		509
269	my $busy = 1;	510	my $busy = 1;
270	my @res;	511	my @res;
271		512
272	(async {	513	(async {
		514	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	515	@res = eval { $job->() };
274	warn $@ if $@;	516	warn $@ if $@;
275	undef $busy;	517	undef $busy;
276	})->prio (Coro::PRIO_MAX);	518	})->prio (Coro::PRIO_MAX);
277		519
278	while ($busy) {	520	while ($busy) {
279	Coro::cede or Event::one_event;	521	if (Coro::nready) {
		522	Coro::cede_notself;
		523	} else {
		524	EV::loop EV::LOOP_ONESHOT;
280	}	525	}
		526	}
		527
		528	my $time = EV::time - $time;
		529
		530	$TICK_START += $time; # do not account sync jobs to server load
281		531
282	wantarray ? @res : $res[0]	532	wantarray ? @res : $res[0]
283	} else {	533	} else {
284	# we are in another coroutine, how wonderful, everything just works	534	# we are in another coroutine, how wonderful, everything just works
285		535
…		…
287	}	537	}
288	}	538	}
289		539
290	=item $coro = cf::async_ext { BLOCK }	540	=item $coro = cf::async_ext { BLOCK }
291		541
292	Like async, but this coro is automcatially being canceled when the	542	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	543	extension calling this is being unloaded.
294		544
295	=cut	545	=cut
296		546
297	sub async_ext(&) {	547	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	555	$EXT_CORO{$coro+0} = $coro;
306		556
307	$coro	557	$coro
308	}	558	}
309		559
310	sub write_runtime {	560	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		561
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	562	Executes the given code block with the given arguments in a seperate
314	or return;	563	process, returning the results. Everything must be serialisable with
		564	Coro::Storable. May, of course, block. Note that the executed sub may
		565	never block itself or use any form of event handling.
315		566
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	567	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		568
320	aio_fsync $fh	569	sub fork_call(&@) {
321	and return;	570	my ($cb, @args) = @_;
322		571
323	close $fh	572	# we seemingly have to make a local copy of the whole thing,
324	or return;	573	# otherwise perl prematurely frees the stuff :/
		574	# TODO: investigate and fix (likely this will be rather laborious)
325		575
326	aio_rename "$runtime~", $runtime	576	my @res = Coro::Util::fork_eval {
327	and return;	577	reset_signals;
		578	&$cb
		579	}, @args;
328		580
		581	wantarray ? @res : $res[-1]
		582	}
		583
		584	=item $coin = coin_from_name $name
		585
		586	=cut
		587
		588	our %coin_alias = (
		589	"silver" => "silvercoin",
		590	"silvercoin" => "silvercoin",
		591	"silvercoins" => "silvercoin",
		592	"gold" => "goldcoin",
		593	"goldcoin" => "goldcoin",
		594	"goldcoins" => "goldcoin",
		595	"platinum" => "platinacoin",
		596	"platinumcoin" => "platinacoin",
		597	"platinumcoins" => "platinacoin",
		598	"platina" => "platinacoin",
		599	"platinacoin" => "platinacoin",
		600	"platinacoins" => "platinacoin",
		601	"royalty" => "royalty",
		602	"royalties" => "royalty",
		603	);
		604
		605	sub coin_from_name($) {
		606	$coin_alias{$_[0]}
		607	? cf::arch::find $coin_alias{$_[0]}
		608	: undef
		609	}
		610
		611	=item $value = cf::db_get $family => $key
		612
		613	Returns a single value from the environment database.
		614
		615	=item cf::db_put $family => $key => $value
		616
		617	Stores the given C<$value> in the family. It can currently store binary
		618	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		619
		620	=item $db = cf::db_table "name"
		621
		622	Create and/or open a new database table. The string must not be "db" and must be unique
		623	within each server.
		624
		625	=cut
		626
		627	sub db_table($) {
		628	my ($name) = @_;
		629	my $db = BDB::db_create $DB_ENV;
		630
		631	eval {
		632	$db->set_flags (BDB::CHKSUM);
		633
		634	utf8::encode $name;
		635	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		636	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		637	cf::cleanup "db_open(db): $!" if $!;
		638	};
		639	cf::cleanup "db_open(db): $@" if $@;
		640
		641	$db
		642	}
		643
		644	our $DB;
		645
		646	sub db_init {
		647	cf::sync_job {
		648	$DB ||= db_table "db";
		649	};
		650	}
		651
		652	sub db_get($$) {
		653	my $key = "$_[0]/$_[1]";
		654
		655	cf::sync_job {
		656	BDB::db_get $DB, undef, $key, my $data;
		657
		658	$! ? ()
		659	: $data
329	1	660	}
		661	}
		662
		663	sub db_put($$$) {
		664	BDB::dbreq_pri 4;
		665	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		666	}
		667
		668	=item cf::cache $id => [$paths...], $processversion => $process
		669
		670	Generic caching function that returns the value of the resource $id,
		671	caching and regenerating as required.
		672
		673	This function can block.
		674
		675	=cut
		676
		677	sub cache {
		678	my ($id, $src, $processversion, $process) = @_;
		679
		680	my $meta =
		681	join "\x00",
		682	$processversion,
		683	map {
		684	aio_stat $_
		685	and Carp::croak "$_: $!";
		686
		687	($_, (stat _)[7,9])
		688	} @$src;
		689
		690	my $dbmeta = db_get cache => "$id/meta";
		691	if ($dbmeta ne $meta) {
		692	# changed, we may need to process
		693
		694	my @data;
		695	my $md5;
		696
		697	for (0 .. $#$src) {
		698	0 <= aio_load $src->[$_], $data[$_]
		699	or Carp::croak "$src->[$_]: $!";
		700	}
		701
		702	# if processing is expensive, check
		703	# checksum first
		704	if (1) {
		705	$md5 =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	cf::cede_to_tick;
		710	($src->[$_], Digest::MD5::md5_hex $data[$_])
		711	} 0.. $#$src;
		712
		713
		714	my $dbmd5 = db_get cache => "$id/md5";
		715	if ($dbmd5 eq $md5) {
		716	db_put cache => "$id/meta", $meta;
		717
		718	return db_get cache => "$id/data";
		719	}
		720	}
		721
		722	my $t1 = Time::HiRes::time;
		723	my $data = $process->(\@data);
		724	my $t2 = Time::HiRes::time;
		725
		726	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		727
		728	db_put cache => "$id/data", $data;
		729	db_put cache => "$id/md5" , $md5;
		730	db_put cache => "$id/meta", $meta;
		731
		732	return $data;
		733	}
		734
		735	db_get cache => "$id/data"
		736	}
		737
		738	=item cf::datalog type => key => value, ...
		739
		740	Log a datalog packet of the given type with the given key-value pairs.
		741
		742	=cut
		743
		744	sub datalog($@) {
		745	my ($type, %kv) = @_;
		746	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	747	}
331		748
332	=back	749	=back
333		750
334	=cut	751	=cut
335		752
336	#############################################################################	753	#############################################################################
337		754
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	755	=head2 ATTACHABLE OBJECTS
459		756
460	Many objects in crossfire are so-called attachable objects. That means you can	757	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	758	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	759	to it. All such attachable objects support the following methods.
463		760
464	In the following description, CLASS can be any of C<global>, C<object>	761	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	762	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	763	Deliantra).
467		764
468	=over 4	765	=over 4
469		766
470	=item $attachable->attach ($attachment, key => $value...)	767	=item $attachable->attach ($attachment, key => $value...)
471		768
…		…
515	=item cf::CLASS::attachment $name, ...	812	=item cf::CLASS::attachment $name, ...
516		813
517	Register an attachment by C<$name> through which attachable objects of the	814	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	815	given CLASS can refer to this attachment.
519		816
520	Some classes such as crossfire maps and objects can specify attachments	817	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	818	that are attached at load/instantiate time, thus the need for a name.
522		819
523	These calls expect any number of the following handler/hook descriptions:	820	These calls expect any number of the following handler/hook descriptions:
524		821
525	=over 4	822	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	882	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	883	our @CB_MAP = ();
587		884
588	my %attachment;	885	my %attachment;
589		886
		887	sub cf::attachable::thawer_merge {
		888	# simply override everything except _meta
		889	local $_[0]{_meta};
		890	%{$_[0]} = %{$_[1]};
		891	}
		892
590	sub _attach_cb($$$$) {	893	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	894	my ($registry, $event, $prio, $cb) = @_;
592		895
593	use sort 'stable';	896	use sort 'stable';
594		897
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	931	$registry = $CB_TYPE[$object_type] ||= [];
629		932
630	} elsif ($type eq "subtype") {	933	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	934	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	935	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	936	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		937
635	} elsif ($type eq "package") {	938	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	939	my $pkg = shift @arg;
637		940
638	while (my ($name, $id) = each %cb_id) {	941	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	970	_attach $registry, $klass, @attach;
668	}	971	}
669		972
670	$obj->{$name} = \%arg;	973	$obj->{$name} = \%arg;
671	} else {	974	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	975	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	976	}
674		977
675	$obj->{_attachment}{$name} = undef;	978	$obj->{_attachment}{$name} = undef;
676	}	979	}
677		980
…		…
679	if (ref $_[0]) {	982	if (ref $_[0]) {
680	_object_attach @_;	983	_object_attach @_;
681	} else {	984	} else {
682	_attach shift->_attach_registry, @_;	985	_attach shift->_attach_registry, @_;
683	}	986	}
		987	_recalc_want;
684	};	988	};
685		989
686	# all those should be optimised	990	# all those should be optimised
687	sub cf::attachable::detach {	991	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	992	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	995	delete $obj->{_attachment}{$name};
692	reattach ($obj);	996	reattach ($obj);
693	} else {	997	} else {
694	Carp::croak "cannot, currently, detach class attachments";	998	Carp::croak "cannot, currently, detach class attachments";
695	}	999	}
		1000	_recalc_want;
696	};	1001	};
697		1002
698	sub cf::attachable::attached {	1003	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1004	my ($obj, $name) = @_;
700		1005
…		…
715	";	1020	";
716	die if $@;	1021	die if $@;
717	}	1022	}
718		1023
719	our $override;	1024	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1025	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1026
722	sub override {	1027	sub override {
723	$override = 1;	1028	$override = 1;
724	@invoke_results = ();	1029	@INVOKE_RESULTS = (@_);
725	}	1030	}
726		1031
727	sub do_invoke {	1032	sub do_invoke {
728	my $event = shift;	1033	my $event = shift;
729	my $callbacks = shift;	1034	my $callbacks = shift;
730		1035
731	@invoke_results = ();	1036	@INVOKE_RESULTS = ();
732		1037
733	local $override;	1038	local $override;
734		1039
735	for (@$callbacks) {	1040	for (@$callbacks) {
736	eval { &{$_->[1]} };	1041	eval { &{$_->[1]} };
…		…
745	}	1050	}
746		1051
747	0	1052	0
748	}	1053	}
749		1054
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1056
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1057	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1058
754	Generate an object-specific event with the given arguments.	1059	Generate an object-specific event with the given arguments.
755		1060
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1061	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1062	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1063	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1064
760	=back	1065	=back
761		1066
762	=cut	1067	=cut
763		1068
764	#############################################################################	1069	#############################################################################
765	# object support	1070	# object support
		1071
		1072	sub _object_equal($$);
		1073	sub _object_equal($$) {
		1074	my ($a, $b) = @_;
		1075
		1076	return 0 unless (ref $a) eq (ref $b);
		1077
		1078	if ("HASH" eq ref $a) {
		1079	my @ka = keys %$a;
		1080	my @kb = keys %$b;
		1081
		1082	return 0 if @ka != @kb;
		1083
		1084	for (0 .. $#ka) {
		1085	return 0 unless $ka[$_] eq $kb[$_];
		1086	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1087	}
		1088
		1089	} elsif ("ARRAY" eq ref $a) {
		1090
		1091	return 0 if @$a != @$b;
		1092
		1093	for (0 .. $#$a) {
		1094	return 0 unless _object_equal $a->[$_], $b->[$_];
		1095	}
		1096
		1097	} elsif ($a ne $b) {
		1098	return 0;
		1099	}
		1100
		1101	1
		1102	}
		1103
		1104	our $SLOW_MERGES;#d#
		1105	sub _can_merge {
		1106	my ($ob1, $ob2) = @_;
		1107
		1108	++$SLOW_MERGES;#d#
		1109
		1110	# we do the slow way here
		1111	return _object_equal $ob1, $ob2
		1112	}
766		1113
767	sub reattach {	1114	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1115	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1116	my ($obj) = @_;
		1117
		1118	# no longer needed after getting rid of delete_package?
		1119	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1120
771	my $registry = $obj->registry;	1121	my $registry = $obj->registry;
772		1122
773	@$registry = ();	1123	@$registry = ();
774		1124
…		…
789	cf::attachable->attach (	1139	cf::attachable->attach (
790	prio => -1000000,	1140	prio => -1000000,
791	on_instantiate => sub {	1141	on_instantiate => sub {
792	my ($obj, $data) = @_;	1142	my ($obj, $data) = @_;
793		1143
794	$data = from_json $data;	1144	$data = decode_json $data;
795		1145
796	for (@$data) {	1146	for (@$data) {
797	my ($name, $args) = @$_;	1147	my ($name, $args) = @$_;
798		1148
799	$obj->attach ($name, %{$args || {} });	1149	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1165	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1166	my ($filename, $rdata, $objs) = @_;
817		1167
818	sync_job {	1168	sync_job {
819	if (length $$rdata) {	1169	if (length $$rdata) {
		1170	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1171	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1172	$decname, length $$rdata, scalar @$objs;
822		1173
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1174	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1175	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1176	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1177	if ($cf::USE_FSYNC) {
		1178	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1179	aio_fsync $fh;
		1180	}
827	close $fh;	1181	aio_close $fh;
828		1182
829	if (@$objs) {	1183	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1184	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1185	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1186	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1187	aio_write $fh, 0, (length $data), $data, 0;
		1188	if ($cf::USE_FSYNC) {
		1189	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
834	aio_fsync $fh;	1190	aio_fsync $fh;
		1191	}
835	close $fh;	1192	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1193	aio_rename "$filename.pst~", "$filename.pst";
837	}	1194	}
838	} else {	1195	} else {
839	aio_unlink "$filename.pst";	1196	aio_unlink "$filename.pst";
840	}	1197	}
841		1198
842	aio_rename "$filename~", $filename;	1199	aio_rename "$filename~", $filename;
		1200
		1201	$filename =~ s%/[^/]+$%%;
		1202	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1203	} else {
844	warn "FATAL: $filename~: $!\n";	1204	warn "unable to save objects: $filename~: $!\n";
845	}	1205	}
846	} else {	1206	} else {
847	aio_unlink $filename;	1207	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1208	aio_unlink "$filename.pst";
849	}	1209	}
850	}	1210	};
851	}	1211	}
852		1212
853	sub object_freezer_as_string {	1213	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1214	my ($rdata, $objs) = @_;
855		1215
…		…
867	or return;	1227	or return;
868		1228
869	unless (aio_stat "$filename.pst") {	1229	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1230	(aio_load "$filename.pst", $av) >= 0
871	or return;	1231	or return;
		1232
872	$av = eval { (Storable::thaw $av)->{objs} };	1233	my $st = eval { Coro::Storable::thaw $av };
		1234	$av = $st->{objs};
873	}	1235	}
874		1236
		1237	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1238	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1239	$decname, length $data, scalar @{$av || []};
		1240
877	return ($data, $av);	1241	($data, $av)
878	}	1242	}
		1243
		1244	=head2 COMMAND CALLBACKS
		1245
		1246	=over 4
		1247
		1248	=cut
879		1249
880	#############################################################################	1250	#############################################################################
881	# command handling &c	1251	# command handling &c
882		1252
883	=item cf::register_command $name => \&callback($ob,$args);	1253	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1266	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1267	}
898		1268
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1269	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1270
901	Register a callbackf ro execution when the client sends an extcmd packet.	1271	Register a callback for execution when the client sends an (synchronous)
		1272	extcmd packet. Ext commands will be processed in the order they are
		1273	received by the server, like other user commands. The first argument is
		1274	the logged-in player. Ext commands can only be processed after a player
		1275	has logged in successfully.
902		1276
903	If the callback returns something, it is sent back as if reply was being	1277	If the callback returns something, it is sent back as if reply was being
904	called.	1278	called.
905		1279
		1280	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1281
		1282	Register a callback for execution when the client sends an (asynchronous)
		1283	exticmd packet. Exti commands are processed by the server as soon as they
		1284	are received, i.e. out of order w.r.t. other commands. The first argument
		1285	is a client socket. Exti commands can be received anytime, even before
		1286	log-in.
		1287
		1288	If the callback returns something, it is sent back as if reply was being
		1289	called.
		1290
906	=cut	1291	=cut
907		1292
908	sub register_extcmd {	1293	sub register_extcmd {
909	my ($name, $cb) = @_;	1294	my ($name, $cb) = @_;
910		1295
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1296	$EXTCMD{$name} = $cb;
915	}	1297	}
		1298
		1299	sub register_exticmd {
		1300	my ($name, $cb) = @_;
		1301
		1302	$EXTICMD{$name} = $cb;
		1303	}
		1304
		1305	use File::Glob ();
916		1306
917	cf::player->attach (	1307	cf::player->attach (
918	on_command => sub {	1308	on_command => sub {
919	my ($pl, $name, $params) = @_;	1309	my ($pl, $name, $params) = @_;
920		1310
…		…
928	cf::override;	1318	cf::override;
929	},	1319	},
930	on_extcmd => sub {	1320	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1321	my ($pl, $buf) = @_;
932		1322
933	my $msg = eval { from_json $buf };	1323	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1324
935	if (ref $msg) {	1325	if (ref $msg) {
		1326	my ($type, $reply, @payload) =
		1327	"ARRAY" eq ref $msg
		1328	? @$msg
		1329	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1330
		1331	my @reply;
		1332
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1333	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1334	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1335	}
		1336
		1337	$pl->ext_reply ($reply, @reply)
		1338	if $reply;
		1339
941	} else {	1340	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1341	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1342	}
944		1343
945	cf::override;	1344	cf::override;
946	},	1345	},
947	);	1346	);
948		1347
949	sub register {	1348	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1349	sub cache_extensions {
956	my ($path) = @_;	1350	my $grp = IO::AIO::aio_group;
957		1351
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1352	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1353	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1354	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1355	}
1008	}	1356	};
1009		1357
1010	# remove extcmds	1358	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1359	}
1024		1360
1025	sub load_extensions {	1361	sub load_extensions {
		1362	cf::sync_job {
		1363	my %todo;
		1364
1026	for my $ext (<$LIBDIR/*.ext>) {	1365	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1366	next unless -r $path;
1028	eval {	1367
1029	load_extension $ext;	1368	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1369	my $base = $1;
		1370	my $pkg = $1;
		1371	$pkg =~ s/[^[:word:]]/_/g;
		1372	$pkg = "ext::$pkg";
		1373
		1374	open my $fh, "<:utf8", $path
		1375	or die "$path: $!";
		1376
		1377	my $source = do { local $/; <$fh> };
		1378
		1379	my %ext = (
		1380	path => $path,
		1381	base => $base,
		1382	pkg => $pkg,
		1383	);
		1384
		1385	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1386	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1387
		1388	$ext{source} =
		1389	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1390	. "#line 1 \"$path\"\n{\n"
		1391	. $source
		1392	. "\n};\n1";
		1393
		1394	$todo{$base} = \%ext;
		1395	}
		1396
		1397	my %done;
		1398	while (%todo) {
		1399	my $progress;
		1400
		1401	while (my ($k, $v) = each %todo) {
		1402	for (split /,\s*/, $v->{meta}{depends}) {
		1403	goto skip
		1404	unless exists $done{$_};
		1405	}
		1406
		1407	warn "... loading '$k' into '$v->{pkg}'\n";
		1408
		1409	unless (eval $v->{source}) {
		1410	my $msg = $@ ? "$v->{path}: $@\n"
		1411	: "$v->{base}: extension inactive.\n";
		1412
		1413	if (exists $v->{meta}{mandatory}) {
		1414	warn $msg;
		1415	cf::cleanup "mandatory extension failed to load, exiting.";
		1416	}
		1417
		1418	warn $msg;
		1419	}
		1420
		1421	$done{$k} = delete $todo{$k};
		1422	push @EXTS, $v->{pkg};
		1423	$progress = 1;
1030	1	1424	}
1031	} or warn "$ext not loaded: $@";	1425
		1426	skip:
		1427	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1428	unless $progress;
		1429	}
1032	}	1430	};
1033	}	1431	}
1034		1432
1035	#############################################################################	1433	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1434
1038	*cf::mapsupport::on_clean = sub {	1435	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1436
1073	=head2 CORE EXTENSIONS	1437	=head2 CORE EXTENSIONS
1074		1438
1075	Functions and methods that extend core crossfire objects.	1439	Functions and methods that extend core deliantra objects.
1076		1440
1077	=cut	1441	=cut
1078		1442
1079	package cf::player;	1443	package cf::player;
1080		1444
		1445	use Coro::AIO;
		1446
1081	=head3 cf::player	1447	=head3 cf::player
1082		1448
1083	=over 4	1449	=over 4
1084		1450
		1451	=item cf::player::num_playing
		1452
		1453	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1454
		1455	=cut
		1456
		1457	sub num_playing {
		1458	scalar grep
		1459	$_->ob->map
		1460	&& !$_->hidden
		1461	&& !$_->ob->flag (cf::FLAG_WIZ),
		1462	cf::player::list
		1463	}
		1464
1085	=item cf::player::find $login	1465	=item cf::player::find $login
1086		1466
1087	Returns the given player object, loading it if necessary (might block).	1467	Returns the given player object, loading it if necessary (might block).
1088		1468
1089	=cut	1469	=cut
1090		1470
1091	sub playerdir($) {	1471	sub playerdir($) {
1092	cf::localdir	1472	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1473	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1474	}
1098		1475
1099	sub path($) {	1476	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1477	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1478
1102	(playerdir $login) . "/$login.pl"	1479	(playerdir $login) . "/playerdata"
1103	}	1480	}
1104		1481
1105	sub find_active($) {	1482	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1483	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1484	and $cf::PLAYER{$_[0]}->active
…		…
1110		1487
1111	sub exists($) {	1488	sub exists($) {
1112	my ($login) = @_;	1489	my ($login) = @_;
1113		1490
1114	$cf::PLAYER{$login}	1491	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1492	or !aio_stat path $login
1116	}	1493	}
1117		1494
1118	sub find($) {	1495	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1496	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1497	my $login = $_[0];
1121		1498
1122	my $guard = cf::lock_acquire "user_find:$login";	1499	my $guard = cf::lock_acquire "user_find:$login";
1123		1500
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1501	$cf::PLAYER{$_[0]} || do {
		1502	# rename old playerfiles to new ones
		1503	#TODO: remove when no longer required
		1504	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1505	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1506	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1507	aio_unlink +(playerdir $login) . "/$login.pl";
		1508
		1509	my $f = new_from_file cf::object::thawer path $login
		1510	or return;
		1511
		1512	my $pl = cf::player::load_pl $f
		1513	or return;
		1514
		1515	local $cf::PLAYER_LOADING{$login} = $pl;
		1516	$f->resolve_delayed_derefs;
		1517	$cf::PLAYER{$login} = $pl
		1518	}
1125	};	1519	}
1126	}	1520	}
1127		1521
1128	sub save($) {	1522	sub save($) {
1129	my ($pl) = @_;	1523	my ($pl) = @_;
1130		1524
…		…
1133	my $path = path $pl;	1527	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1528	my $guard = cf::lock_acquire "user_save:$path";
1135		1529
1136	return if $pl->{deny_save};	1530	return if $pl->{deny_save};
1137		1531
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1532	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1533	$pl->{last_save} = $cf::RUNTIME;
1140		1534
		1535	cf::get_slot 0.01;
		1536
1141	$pl->save_pl ($path);	1537	$pl->save_pl ($path);
1142	Coro::cede;	1538	cf::cede_to_tick;
1143	}	1539	}
1144		1540
1145	sub new($) {	1541	sub new($) {
1146	my ($login) = @_;	1542	my ($login) = @_;
1147		1543
…		…
1153	$cf::PLAYER{$login} = $self;	1549	$cf::PLAYER{$login} = $self;
1154		1550
1155	$self	1551	$self
1156	}	1552	}
1157		1553
		1554	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1555
		1556	=cut
		1557
		1558	sub send_msg {
		1559	my $ns = shift->ns
		1560	or return;
		1561	$ns->send_msg (@_);
		1562	}
		1563
		1564	=item $pl->quit_character
		1565
		1566	Nukes the player without looking back. If logged in, the connection will
		1567	be destroyed. May block for a long time.
		1568
		1569	=cut
		1570
1158	sub quit_character {	1571	sub quit_character {
1159	my ($pl) = @_;	1572	my ($pl) = @_;
1160		1573
		1574	my $name = $pl->ob->name;
		1575
1161	$pl->{deny_save} = 1;	1576	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1577	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1578
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1579	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1580	$pl->deactivate;
		1581	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1582	$pl->ob->check_score;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1583	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1584	$pl->ns->destroy if $pl->ns;
1168		1585
1169	my $path = playerdir $pl;	1586	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1587	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1588	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1589	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1590	$pl->destroy;
1174		1591
		1592	my $prefix = qr<^~\Q$name\E/>;
		1593
		1594	# nuke player maps
		1595	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1596
1175	IO::AIO::aio_rmtree $temp;	1597	IO::AIO::aio_rmtree $temp;
		1598	}
		1599
		1600	=item $pl->kick
		1601
		1602	Kicks a player out of the game. This destroys the connection.
		1603
		1604	=cut
		1605
		1606	sub kick {
		1607	my ($pl, $kicker) = @_;
		1608
		1609	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1610	$pl->killer ("kicked");
		1611	$pl->ns->destroy;
		1612	}
		1613
		1614	=item cf::player::list_logins
		1615
		1616	Returns am arrayref of all valid playernames in the system, can take a
		1617	while and may block, so not sync_job-capable, ever.
		1618
		1619	=cut
		1620
		1621	sub list_logins {
		1622	my $dirs = aio_readdir $PLAYERDIR
		1623	or return [];
		1624
		1625	my @logins;
		1626
		1627	for my $login (@$dirs) {
		1628	my $path = path $login;
		1629
		1630	# a .pst is a dead give-away for a valid player
		1631	# if no pst file found, open and chekc for blocked users
		1632	if (aio_stat "$path.pst") {
		1633	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1634	aio_read $fh, 0, 512, my $buf, 0 or next;
		1635	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1636	}
		1637
		1638	utf8::decode $login;
		1639	push @logins, $login;
1176	};	1640	}
1177	}
1178		1641
		1642	\@logins
		1643	}
		1644
		1645	=item $player->maps
		1646
		1647	Returns an arrayref of map paths that are private for this
		1648	player. May block.
		1649
		1650	=cut
		1651
		1652	sub maps($) {
		1653	my ($pl) = @_;
		1654
		1655	$pl = ref $pl ? $pl->ob->name : $pl;
		1656
		1657	my $files = aio_readdir playerdir $pl
		1658	or return;
		1659
		1660	my @paths;
		1661
		1662	for (@$files) {
		1663	utf8::decode $_;
		1664	next if /\.(?:pl|pst)$/;
		1665	next unless /^$PATH_SEP/o;
		1666
		1667	push @paths, cf::map::normalise "~$pl/$_";
		1668	}
		1669
		1670	\@paths
		1671	}
		1672
		1673	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1674
		1675	Expand deliantra pod fragments into protocol xml.
		1676
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1677	=item $player->ext_reply ($msgid, @msg)
1180		1678
1181	Sends an ext reply to the player.	1679	Sends an ext reply to the player.
1182		1680
1183	=cut	1681	=cut
1184		1682
1185	sub ext_reply($$$%) {	1683	sub ext_reply($$@) {
1186	my ($self, $id, %msg) = @_;	1684	my ($self, $id, @msg) = @_;
1187		1685
1188	$msg{msgid} = $id;	1686	$self->ns->ext_reply ($id, @msg)
1189
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1687	}
1192		1688
1193	package cf;	1689	=item $player->ext_msg ($type, @msg)
		1690
		1691	Sends an ext event to the client.
		1692
		1693	=cut
		1694
		1695	sub ext_msg($$@) {
		1696	my ($self, $type, @msg) = @_;
		1697
		1698	$self->ns->ext_msg ($type, @msg);
		1699	}
		1700
		1701	=head3 cf::region
		1702
		1703	=over 4
		1704
		1705	=cut
		1706
		1707	package cf::region;
		1708
		1709	=item cf::region::find_by_path $path
		1710
		1711	Tries to decuce the likely region for a map knowing only its path.
		1712
		1713	=cut
		1714
		1715	sub find_by_path($) {
		1716	my ($path) = @_;
		1717
		1718	my ($match, $specificity);
		1719
		1720	for my $region (list) {
		1721	if ($region->{match} && $path =~ $region->{match}) {
		1722	($match, $specificity) = ($region, $region->specificity)
		1723	if $region->specificity > $specificity;
		1724	}
		1725	}
		1726
		1727	$match
		1728	}
1194		1729
1195	=back	1730	=back
1196
1197		1731
1198	=head3 cf::map	1732	=head3 cf::map
1199		1733
1200	=over 4	1734	=over 4
1201		1735
…		…
1204	package cf::map;	1738	package cf::map;
1205		1739
1206	use Fcntl;	1740	use Fcntl;
1207	use Coro::AIO;	1741	use Coro::AIO;
1208		1742
		1743	use overload
		1744	'""' => \&as_string,
		1745	fallback => 1;
		1746
1209	our $MAX_RESET = 3600;	1747	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1748	our $DEFAULT_RESET = 3000;
1211		1749
1212	sub generate_random_map {	1750	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1751	my ($self, $rmp) = @_;
		1752
		1753	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1214		1754
1215	# mit "rum" bekleckern, nicht	1755	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1756	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1757	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1758	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1759	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1760	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1761	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1762	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1763	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1764	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1765	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1766	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1767	(cf::region::find $rmp->{region}), $rmp->{custom}
		1768	)
1229	}	1769	}
1230		1770
1231	# and all this just because we cannot iterate over	1771	=item cf::map->register ($regex, $prio)
1232	# all maps in C++...
1233	sub change_all_map_light {
1234	my ($change) = @_;
1235		1772
1236	$_->change_map_light ($change)	1773	Register a handler for the map path matching the given regex at the
1237	for grep $_->outdoor, values %cf::MAP;	1774	givne priority (higher is better, built-in handlers have priority 0, the
1238	}	1775	default).
1239		1776
1240	sub try_load_header($) {	1777	=cut
		1778
		1779	sub register {
		1780	my (undef, $regex, $prio) = @_;
		1781	my $pkg = caller;
		1782
		1783	no strict;
		1784	push @{"$pkg\::ISA"}, __PACKAGE__;
		1785
		1786	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1787	}
		1788
		1789	# also paths starting with '/'
		1790	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1791
		1792	sub thawer_merge {
		1793	my ($self, $merge) = @_;
		1794
		1795	# we have to keep some variables in memory intact
		1796	local $self->{path};
		1797	local $self->{load_path};
		1798
		1799	$self->SUPER::thawer_merge ($merge);
		1800	}
		1801
		1802	sub normalise {
1241	my ($path) = @_;	1803	my ($path, $base) = @_;
		1804
		1805	$path = "$path"; # make sure its a string
		1806
		1807	$path =~ s/\.map$//;
		1808
		1809	# map plan:
		1810	#
		1811	# /! non-realised random map exit (special hack!)
		1812	# {... are special paths that are not being touched
		1813	# ?xxx/... are special absolute paths
		1814	# ?random/... random maps
		1815	# /... normal maps
		1816	# ~user/... per-player map of a specific user
		1817
		1818	$path =~ s/$PATH_SEP/\//go;
		1819
		1820	# treat it as relative path if it starts with
		1821	# something that looks reasonable
		1822	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1823	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1824
		1825	$base =~ s{[^/]+/?$}{};
		1826	$path = "$base/$path";
		1827	}
		1828
		1829	for ($path) {
		1830	redo if s{//}{/};
		1831	redo if s{/\.?/}{/};
		1832	redo if s{/[^/]+/\.\./}{/};
		1833	}
		1834
		1835	$path
		1836	}
		1837
		1838	sub new_from_path {
		1839	my (undef, $path, $base) = @_;
		1840
		1841	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1842
		1843	$path = normalise $path, $base;
		1844
		1845	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1846	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1847	my $self = bless cf::map::new, $pkg;
		1848	$self->{path} = $path; $self->path ($path);
		1849	$self->init; # pass $1 etc.
		1850	return $self;
		1851	}
		1852	}
		1853
		1854	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1855	()
		1856	}
		1857
		1858	sub init {
		1859	my ($self) = @_;
		1860
		1861	$self
		1862	}
		1863
		1864	sub as_string {
		1865	my ($self) = @_;
		1866
		1867	"$self->{path}"
		1868	}
		1869
		1870	# the displayed name, this is a one way mapping
		1871	sub visible_name {
		1872	&as_string
		1873	}
		1874
		1875	# the original (read-only) location
		1876	sub load_path {
		1877	my ($self) = @_;
		1878
		1879	"$MAPDIR/$self->{path}.map"
		1880	}
		1881
		1882	# the temporary/swap location
		1883	sub save_path {
		1884	my ($self) = @_;
		1885
		1886	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1887	"$TMPDIR/$path.map"
		1888	}
		1889
		1890	# the unique path, undef == no special unique path
		1891	sub uniq_path {
		1892	my ($self) = @_;
		1893
		1894	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1895	"$UNIQUEDIR/$path"
		1896	}
		1897
		1898	sub decay_objects {
		1899	my ($self) = @_;
		1900
		1901	return if $self->{deny_reset};
		1902
		1903	$self->do_decay_objects;
		1904	}
		1905
		1906	sub unlink_save {
		1907	my ($self) = @_;
		1908
		1909	utf8::encode (my $save = $self->save_path);
		1910	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1911	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1912	}
		1913
		1914	sub load_header_from($) {
		1915	my ($self, $path) = @_;
1242		1916
1243	utf8::encode $path;	1917	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1918	my $f = new_from_file cf::object::thawer $path
1245	or return;	1919	or return;
1246		1920
1247	my $map = cf::map::new	1921	$self->_load_header ($f)
1248	or return;	1922	or return;
1249		1923
1250	# for better error messages only, will be overwritten	1924	local $MAP_LOADING{$self->{path}} = $self;
1251	$map->path ($path);	1925	$f->resolve_delayed_derefs;
1252		1926
1253	$map->load_header ($path)	1927	$self->{load_path} = $path;
		1928
		1929	1
		1930	}
		1931
		1932	sub load_header_orig {
		1933	my ($self) = @_;
		1934
		1935	$self->load_header_from ($self->load_path)
		1936	}
		1937
		1938	sub load_header_temp {
		1939	my ($self) = @_;
		1940
		1941	$self->load_header_from ($self->save_path)
		1942	}
		1943
		1944	sub prepare_temp {
		1945	my ($self) = @_;
		1946
		1947	$self->last_access ((delete $self->{last_access})
		1948	|| $cf::RUNTIME); #d#
		1949	# safety
		1950	$self->{instantiate_time} = $cf::RUNTIME
		1951	if $self->{instantiate_time} > $cf::RUNTIME;
		1952	}
		1953
		1954	sub prepare_orig {
		1955	my ($self) = @_;
		1956
		1957	$self->{load_original} = 1;
		1958	$self->{instantiate_time} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960	$self->instantiate;
		1961	}
		1962
		1963	sub load_header {
		1964	my ($self) = @_;
		1965
		1966	if ($self->load_header_temp) {
		1967	$self->prepare_temp;
		1968	} else {
		1969	$self->load_header_orig
1254	or return;	1970	or return;
		1971	$self->prepare_orig;
		1972	}
1255		1973
1256	$map->{load_path} = $path;	1974	$self->{deny_reset} = 1
		1975	if $self->no_reset;
1257		1976
1258	$map	1977	$self->default_region (cf::region::find_by_path $self->{path})
		1978	unless $self->default_region;
		1979
		1980	1
1259	}	1981	}
1260		1982
1261	sub find;	1983	sub find;
1262	sub find {	1984	sub find {
1263	my ($path, $origin) = @_;	1985	my ($path, $origin) = @_;
1264		1986
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	1987	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		1988
1270	cf::lock_wait "map_find:$key";	1989	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1271
1272	$cf::MAP{$key} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	1990	my $guard2 = cf::lock_acquire "map_find:$path";
1274		1991
1275	# do it the slow way	1992	$cf::MAP{$path} || do {
1276	my $map = try_load_header $path->save_path;	1993	my $map = new_from_path cf::map $path
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	1994	or return;
1294		1995
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	1996	$map->{last_save} = $cf::RUNTIME;
1307		1997
1308	Coro::cede;	1998	$map->load_header
		1999	or return;
1309		2000
1310	if ($map->should_reset) {	2001	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2002	# doing this can freeze the server in a sync job, obviously
		2003	#$cf::WAIT_FOR_TICK->wait;
		2004	undef $guard2;
		2005	undef $guard1;
1311	$map->reset;	2006	$map->reset;
1312	undef $guard;
1313	$map = find $path	2007	return find $path;
1314	or return;
1315	}	2008	}
1316		2009
1317	$cf::MAP{$key} = $map	2010	$cf::MAP{$path} = $map
1318	}	2011	}
1319	}	2012	}
		2013
		2014	sub pre_load { }
		2015	sub post_load { }
1320		2016
1321	sub load {	2017	sub load {
1322	my ($self) = @_;	2018	my ($self) = @_;
1323		2019
		2020	local $self->{deny_reset} = 1; # loading can take a long time
		2021
1324	my $path = $self->{path};	2022	my $path = $self->{path};
		2023
		2024	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2025	my $guard = cf::lock_acquire "map_data:$path";
1326		2026
		2027	return unless $self->valid;
1327	return if $self->in_memory != cf::MAP_SWAPPED;	2028	return unless $self->in_memory == cf::MAP_SWAPPED;
1328		2029
1329	$self->in_memory (cf::MAP_LOADING);	2030	$self->in_memory (cf::MAP_LOADING);
1330		2031
1331	$self->alloc;	2032	$self->alloc;
1332	$self->load_objects ($self->{load_path}, 1)	2033
		2034	$self->pre_load;
		2035	cf::cede_to_tick;
		2036
		2037	my $f = new_from_file cf::object::thawer $self->{load_path};
		2038	$f->skip_block;
		2039	$self->_load_objects ($f)
1333	or return;	2040	or return;
1334		2041
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2042	$self->post_load_original
1336	if delete $self->{load_original};	2043	if delete $self->{load_original};
1337		2044
1338	if (my $uniq = $path->uniq_path) {	2045	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	2046	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	2047	unless (aio_stat $uniq) {
		2048	if (my $f = new_from_file cf::object::thawer $uniq) {
1341	$self->clear_unique_items;	2049	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	2050	$self->_load_objects ($f);
		2051	$f->resolve_delayed_derefs;
		2052	}
1343	}	2053	}
1344	}	2054	}
1345		2055
1346	Coro::cede;	2056	$f->resolve_delayed_derefs;
1347		2057
		2058	cf::cede_to_tick;
1348	# now do the right thing for maps	2059	# now do the right thing for maps
1349	$self->link_multipart_objects;	2060	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	2061	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	2062	unless $self->difficulty;
		2063	cf::cede_to_tick;
		2064
		2065	unless ($self->{deny_activate}) {
		2066	$self->decay_objects;
		2067	$self->fix_auto_apply;
		2068	$self->update_buttons;
		2069	cf::cede_to_tick;
1361	$self->activate;	2070	$self->activate;
1362	}	2071	}
1363		2072
1364	Coro::cede;	2073	$self->{last_save} = $cf::RUNTIME;
		2074	$self->last_access ($cf::RUNTIME);
1365		2075
1366	$self->in_memory (cf::MAP_IN_MEMORY);	2076	$self->in_memory (cf::MAP_ACTIVE);
		2077	}
		2078
		2079	$self->post_load;
		2080	}
		2081
		2082	sub customise_for {
		2083	my ($self, $ob) = @_;
		2084
		2085	return find "~" . $ob->name . "/" . $self->{path}
		2086	if $self->per_player;
		2087
		2088	# return find "?party/" . $ob->name . "/" . $self->{path}
		2089	# if $self->per_party;
		2090
		2091	$self
		2092	}
		2093
		2094	# find and load all maps in the 3x3 area around a map
		2095	sub load_neighbours {
		2096	my ($map) = @_;
		2097
		2098	my @neigh; # diagonal neighbours
		2099
		2100	for (0 .. 3) {
		2101	my $neigh = $map->tile_path ($_)
		2102	or next;
		2103	$neigh = find $neigh, $map
		2104	or next;
		2105	$neigh->load;
		2106
		2107	push @neigh,
		2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2110	}
		2111
		2112	for (grep defined $_->[0], @neigh) {
		2113	my ($path, $origin) = @$_;
		2114	my $neigh = find $path, $origin
		2115	or next;
		2116	$neigh->load;
		2117	}
1367	}	2118	}
1368		2119
1369	sub find_sync {	2120	sub find_sync {
1370	my ($path, $origin) = @_;	2121	my ($path, $origin) = @_;
1371		2122
1372	cf::sync_job { cf::map::find $path, $origin }	2123	cf::sync_job { find $path, $origin }
1373	}	2124	}
1374		2125
1375	sub do_load_sync {	2126	sub do_load_sync {
1376	my ($map) = @_;	2127	my ($map) = @_;
1377		2128
		2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2130	if $Coro::current == $Coro::main;
		2131
1378	cf::sync_job { $map->load };	2132	cf::sync_job { $map->load };
		2133	}
		2134
		2135	our %MAP_PREFETCH;
		2136	our $MAP_PREFETCHER = undef;
		2137
		2138	sub find_async {
		2139	my ($path, $origin, $load) = @_;
		2140
		2141	$path = normalise $path, $origin && $origin->{path};
		2142
		2143	if (my $map = $cf::MAP{$path}) {
		2144	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2145	}
		2146
		2147	$MAP_PREFETCH{$path} |= $load;
		2148
		2149	$MAP_PREFETCHER ||= cf::async {
		2150	$Coro::current->{desc} = "map prefetcher";
		2151
		2152	while (%MAP_PREFETCH) {
		2153	while (my ($k, $v) = each %MAP_PREFETCH) {
		2154	if (my $map = find $k) {
		2155	$map->load if $v;
		2156	}
		2157
		2158	delete $MAP_PREFETCH{$k};
		2159	}
		2160	}
		2161	undef $MAP_PREFETCHER;
		2162	};
		2163	$MAP_PREFETCHER->prio (6);
		2164
		2165	()
1379	}	2166	}
1380		2167
1381	sub save {	2168	sub save {
1382	my ($self) = @_;	2169	my ($self) = @_;
1383		2170
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1385		2172
1386	$self->{last_save} = $cf::RUNTIME;	2173	$self->{last_save} = $cf::RUNTIME;
1387		2174
1388	return unless $self->dirty;	2175	return unless $self->dirty;
1389		2176
1390	my $save = $self->{path}->save_path; utf8::encode $save;	2177	my $save = $self->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
1392		2179
1393	$self->{load_path} = $save;	2180	$self->{load_path} = $save;
1394		2181
1395	return if $self->{deny_save};	2182	return if $self->{deny_save};
1396		2183
1397	local $self->{last_access} = $self->last_access;#d#	2184	local $self->{last_access} = $self->last_access;#d#
1398		2185
1399	cf::async {	2186	cf::async {
		2187	$Coro::current->{desc} = "map player save";
1400	$_->contr->save for $self->players;	2188	$_->contr->save for $self->players;
1401	};	2189	};
1402		2190
		2191	cf::get_slot 0.02;
		2192
1403	if ($uniq) {	2193	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2194	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);	2195	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {	2196	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2197	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}	2198	}
1409	}	2199	}
1410		2200
1411	sub swap_out {	2201	sub swap_out {
1412	my ($self) = @_;	2202	my ($self) = @_;
1413		2203
1414	# save first because save cedes	2204	# save first because save cedes
1415	$self->save;	2205	$self->save;
1416		2206
1417	my $lock = cf::lock_acquire "map_data:" . $self->path;	2207	my $lock = cf::lock_acquire "map_data:$self->{path}";
1418		2208
1419	return if $self->players;	2209	return if $self->players;
1420	return if $self->in_memory != cf::MAP_IN_MEMORY;	2210	return if $self->in_memory != cf::MAP_ACTIVE;
1421	return if $self->{deny_save};	2211	return if $self->{deny_save};
1422		2212
		2213	$self->in_memory (cf::MAP_SWAPPED);
		2214
		2215	$self->deactivate;
		2216	$_->clear_links_to ($self) for values %cf::MAP;
1423	$self->clear;	2217	$self->clear;
1424	$self->in_memory (cf::MAP_SWAPPED);
1425	}	2218	}
1426		2219
1427	sub reset_at {	2220	sub reset_at {
1428	my ($self) = @_;	2221	my ($self) = @_;
1429		2222
1430	# TODO: safety, remove and allow resettable per-player maps	2223	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	2224	return 1e99 if $self->{deny_reset};
1433		2225
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2226	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2227	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		2228
…		…
1441	my ($self) = @_;	2233	my ($self) = @_;
1442		2234
1443	$self->reset_at <= $cf::RUNTIME	2235	$self->reset_at <= $cf::RUNTIME
1444	}	2236	}
1445		2237
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	2238	sub reset {
1468	my ($self) = @_;	2239	my ($self) = @_;
1469		2240
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2241	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2242
1472	return if $self->players;	2243	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		2244
1475	warn "resetting map ", $self->path;#d#	2245	warn "resetting map ", $self->path, "\n";
		2246
		2247	$self->in_memory (cf::MAP_SWAPPED);
		2248
		2249	# need to save uniques path
		2250	unless ($self->{deny_save}) {
		2251	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2252
		2253	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2254	if $uniq;
		2255	}
1476		2256
1477	delete $cf::MAP{$self->path};	2257	delete $cf::MAP{$self->path};
1478		2258
		2259	$self->deactivate;
1479	$_->clear_links_to ($self) for values %cf::MAP;	2260	$_->clear_links_to ($self) for values %cf::MAP;
		2261	$self->clear;
1480		2262
1481	$self->unlink_save;	2263	$self->unlink_save;
1482	$self->destroy;	2264	$self->destroy;
1483	}	2265	}
1484		2266
1485	my $nuke_counter = "aaaa";	2267	my $nuke_counter = "aaaa";
1486		2268
1487	sub nuke {	2269	sub nuke {
1488	my ($self) = @_;	2270	my ($self) = @_;
1489		2271
		2272	{
		2273	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2274
		2275	delete $cf::MAP{$self->path};
		2276
		2277	$self->unlink_save;
		2278
		2279	bless $self, "cf::map";
		2280	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2281	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2282	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2283	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2284
		2285	$cf::MAP{$self->path} = $self;
		2286	}
		2287
1493	$self->reset; # polite request, might not happen	2288	$self->reset; # polite request, might not happen
1494	}	2289	}
1495		2290
1496	sub customise_for {	2291	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2292
1499	if ($map->per_player) {	2293	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2294	maps. May block.
		2295
		2296	=cut
		2297
		2298	sub tmp_maps() {
1501	}	2299	[
1502		2300	map {
1503	$map	2301	utf8::decode $_;
		2302	/\.map$/
		2303	? normalise $_
		2304	: ()
		2305	} @{ aio_readdir $TMPDIR or [] }
		2306	]
1504	}	2307	}
1505		2308
1506	sub emergency_save {	2309	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2310
1509	warn "enter emergency perl save\n";	2311	Returns an arrayref with all map paths of currently instantiated and saved
		2312	random maps. May block.
1510		2313
1511	cf::sync_job {	2314	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2315
1516	warn "begin emergency map save\n";	2316	sub random_maps() {
1517	$_->save for values %cf::MAP;	2317	[
1518	warn "end emergency map save\n";	2318	map {
		2319	utf8::decode $_;
		2320	/\.map$/
		2321	? normalise "?random/$_"
		2322	: ()
		2323	} @{ aio_readdir $RANDOMDIR or [] }
		2324	]
		2325	}
		2326
		2327	=item cf::map::unique_maps
		2328
		2329	Returns an arrayref of paths of all shared maps that have
		2330	instantiated unique items. May block.
		2331
		2332	=cut
		2333
		2334	sub unique_maps() {
		2335	[
		2336	map {
		2337	utf8::decode $_;
		2338	s/\.map$//; # TODO future compatibility hack
		2339	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2340	? ()
		2341	: normalise $_
		2342	} @{ aio_readdir $UNIQUEDIR or [] }
		2343	]
		2344	}
		2345
		2346	=item cf::map::static_maps
		2347
		2348	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2349	file in the shared directory excluding F</styles> and F</editor>). May
		2350	block.
		2351
		2352	=cut
		2353
		2354	sub static_maps() {
		2355	my @dirs = "";
		2356	my @maps;
		2357
		2358	while (@dirs) {
		2359	my $dir = shift @dirs;
		2360
		2361	next if $dir eq "/styles" || $dir eq "/editor";
		2362
		2363	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2364	or return;
		2365
		2366	for (@$files) {
		2367	s/\.map$// or next;
		2368	utf8::decode $_;
		2369	push @maps, "$dir/$_";
		2370	}
		2371
		2372	push @dirs, map "$dir/$_", @$dirs;
1519	};	2373	}
1520		2374
1521	warn "leave emergency perl save\n";	2375	\@maps
		2376	}
		2377
		2378	=back
		2379
		2380	=head3 cf::object
		2381
		2382	=cut
		2383
		2384	package cf::object;
		2385
		2386	=over 4
		2387
		2388	=item $ob->inv_recursive
		2389
		2390	Returns the inventory of the object I<and> their inventories, recursively,
		2391	but I<not> the object itself.
		2392
		2393	=cut
		2394
		2395	sub inv_recursive_;
		2396	sub inv_recursive_ {
		2397	map { $_, inv_recursive_ $_->inv } @_
		2398	}
		2399
		2400	sub inv_recursive {
		2401	inv_recursive_ inv $_[0]
		2402	}
		2403
		2404	=item $ref = $ob->ref
		2405
		2406	Creates and returns a persistent reference to an object that can be stored as a string.
		2407
		2408	=item $ob = cf::object::deref ($refstring)
		2409
		2410	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2411	even if the object actually exists. May block.
		2412
		2413	=cut
		2414
		2415	sub deref {
		2416	my ($ref) = @_;
		2417
		2418	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2419	my ($uuid, $name) = ($1, $2);
		2420	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2421	or return;
		2422	$pl->ob->uuid eq $uuid
		2423	or return;
		2424
		2425	$pl->ob
		2426	} else {
		2427	warn "$ref: cannot resolve object reference\n";
		2428	undef
		2429	}
1522	}	2430	}
1523		2431
1524	package cf;	2432	package cf;
1525		2433
1526	=back	2434	=back
1527
1528		2435
1529	=head3 cf::object::player	2436	=head3 cf::object::player
1530		2437
1531	=over 4	2438	=over 4
1532		2439
…		…
1535	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2442	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1536	can be C<undef>. Does the right thing when the player is currently in a	2443	can be C<undef>. Does the right thing when the player is currently in a
1537	dialogue with the given NPC character.	2444	dialogue with the given NPC character.
1538		2445
1539	=cut	2446	=cut
		2447
		2448	our $SAY_CHANNEL = {
		2449	id => "say",
		2450	title => "Map",
		2451	reply => "say ",
		2452	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2453	};
		2454
		2455	our $CHAT_CHANNEL = {
		2456	id => "chat",
		2457	title => "Chat",
		2458	reply => "chat ",
		2459	tooltip => "Player chat and shouts, global to the server.",
		2460	};
1540		2461
1541	# rough implementation of a future "reply" method that works	2462	# rough implementation of a future "reply" method that works
1542	# with dialog boxes.	2463	# with dialog boxes.
1543	#TODO: the first argument must go, split into a $npc->reply_to ( method	2464	#TODO: the first argument must go, split into a $npc->reply_to ( method
1544	sub cf::object::player::reply($$$;$) {	2465	sub cf::object::player::reply($$$;$) {
…		…
1546		2467
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2469
1549	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1551	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1552	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2482	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2483	}
1554	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1555	}	2495	}
1556		2496
1557	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1558		2498
1559	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1572		2512
1573	=item $player_object->enter_link	2513	=item $player_object->enter_link
1574		2514
1575	Freezes the player and moves him/her to a special map (C<{link}>).	2515	Freezes the player and moves him/her to a special map (C<{link}>).
1576		2516
1577	The player should be reaosnably safe there for short amounts of time. You	2517	The player should be reasonably safe there for short amounts of time (e.g.
1578	I<MUST> call C<leave_link> as soon as possible, though.	2518	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2519	though, as the palyer cannot control the character while it is on the link
		2520	map.
		2521
		2522	Will never block.
1579		2523
1580	=item $player_object->leave_link ($map, $x, $y)	2524	=item $player_object->leave_link ($map, $x, $y)
1581		2525
1582	Moves the player out of the specila link map onto the given map. If the	2526	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2527	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2528	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2529	fails, to the emergency map position.
1586		2530
1587	Might block.	2531	Might block.
1588		2532
1589	=cut	2533	=cut
		2534
		2535	sub link_map {
		2536	unless ($LINK_MAP) {
		2537	$LINK_MAP = cf::map::find "{link}"
		2538	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2539	$LINK_MAP->load;
		2540	}
		2541
		2542	$LINK_MAP
		2543	}
1590		2544
1591	sub cf::object::player::enter_link {	2545	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2546	my ($self) = @_;
1593		2547
1594	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1595		2549
1596	return if $self->map == $LINK_MAP;	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2551
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1600		2554
1601	$self->enter_map ($LINK_MAP, 20, 20);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1602	}	2556	}
1603		2557
1604	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1606		2562
1607	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1608		2564
1609	unless ($map) {	2565	unless ($map) {
1610	# restore original map position	2566	# restore original map position
…		…
1621	($x, $y) = (-1, -1)	2577	($x, $y) = (-1, -1)
1622	unless (defined $x) && (defined $y);	2578	unless (defined $x) && (defined $y);
1623		2579
1624	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2582	if $x <= 0 && $y <= 0;
1627		2583
1628	$map->load;	2584	$map->load;
		2585	$map->load_neighbours;
1629		2586
1630	return unless $self->contr->active;	2587	return unless $self->contr->active;
		2588
		2589	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2590	$self->enter_map ($map, $x, $y);
		2591
		2592	# only activate afterwards, to support waiting in hooks
1631	$self->activate_recursive;	2593	$self->activate_recursive;
1632	$self->enter_map ($map, $x, $y);
1633	}	2594	}
1634		2595
1635	cf::player->attach (	2596	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1636	on_logout => sub {
1637	my ($pl) = @_;
1638		2597
1639	# abort map switching before logout	2598	Moves the player to the given map-path and coordinates by first freezing
1640	if ($pl->ob->{_link_pos}) {	2599	her, loading and preparing them map, calling the provided $check callback
1641	cf::sync_job {	2600	that has to return the map if sucecssful, and then unfreezes the player on
1642	$pl->ob->leave_link	2601	the new (success) or old (failed) map position. In either case, $done will
1643	};	2602	be called at the end of this process.
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648		2603
1649	# try to abort aborted map switching on player login :)	2604	Note that $check will be called with a potentially non-loaded map, so if
1650	# should happen only on crashes	2605	it needs a loaded map it has to call C<< ->load >>.
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666		2606
1667	=item $player_object->goto ($path, $x, $y)
1668
1669	=cut	2607	=cut
		2608
		2609	our $GOTOGEN;
1670		2610
1671	sub cf::object::player::goto {	2611	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2612	my ($self, $path, $x, $y, $check, $done) = @_;
		2613
		2614	# do generation counting so two concurrent goto's will be executed in-order
		2615	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2616
1674	$self->enter_link;	2617	$self->enter_link;
1675		2618
1676	(async {	2619	(async {
1677	$path = new cf::path $path;	2620	$Coro::current->{desc} = "player::goto $path $x $y";
1678		2621
1679	my $map = cf::map::find $path->as_string;	2622	# *tag paths override both path and x|y
		2623	if ($path =~ /^\*(.*)$/) {
		2624	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2625	my $ob = $obs[rand @obs];
		2626
		2627	# see if we actually can go there
		2628	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2629	$ob = $obs[rand @obs];
		2630	} else {
		2631	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2632	}
		2633	# else put us there anyways for now #d#
		2634
		2635	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2636	} else {
		2637	($path, $x, $y) = (undef, undef, undef);
		2638	}
		2639	}
		2640
		2641	my $map = eval {
		2642	my $map = defined $path ? cf::map::find $path : undef;
		2643
		2644	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2645	$map = $map->customise_for ($self);
1681		2646	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2647	} else {
1683	# if $map;
1684
1685	$map or $map->cluck ("oy");#d#
1686	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2648	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	}
1687		2650
		2651	$map
		2652	};
		2653
		2654	if ($@) {
		2655	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2656	LOG llevError | logBacktrace, Carp::longmess $@;
		2657	}
		2658
		2659	if ($gen == $self->{_goto_generation}) {
		2660	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2661	$self->leave_link ($map, $x, $y);
		2662	}
		2663
		2664	$done->() if $done;
1689	})->prio (1);	2665	})->prio (1);
1690	}	2666	}
1691		2667
1692	=item $player_object->enter_exit ($exit_object)	2668	=item $player_object->enter_exit ($exit_object)
1693		2669
…		…
1695		2671
1696	sub parse_random_map_params {	2672	sub parse_random_map_params {
1697	my ($spec) = @_;	2673	my ($spec) = @_;
1698		2674
1699	my $rmp = { # defaults	2675	my $rmp = { # defaults
1700	xsize => 10,	2676	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2677	ysize => (cf::rndm 15, 40),
		2678	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2679	#layout => string,
1702	};	2680	};
1703		2681
1704	for (split /\n/, $spec) {	2682	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2683	my ($k, $v) = split /\s+/, $_, 2;
1706		2684
…		…
1718	# that depends on the exit object	2696	# that depends on the exit object
1719		2697
1720	my $rmp = parse_random_map_params $exit->msg;	2698	my $rmp = parse_random_map_params $exit->msg;
1721		2699
1722	if ($exit->map) {	2700	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2701	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2702	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2703	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2704	$rmp->{origin_y} = $exit->y;
		2705
		2706	$exit->map->touch;
1727	}	2707	}
1728		2708
1729	$rmp->{random_seed} ||= $exit->random_seed;	2709	$rmp->{random_seed} ||= $exit->random_seed;
1730		2710
1731	my $data = cf::to_json $rmp;	2711	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1732	my $md5 = Digest::MD5::md5_hex $data;	2712	my $md5 = Digest::MD5::md5_hex $data;
		2713	my $meta = "$RANDOMDIR/$md5.meta";
1733		2714
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2715	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2716	aio_write $fh, 0, (length $data), $data, 0;
		2717	undef $fh;
		2718	aio_rename "$meta~", $meta;
1736		2719
		2720	my $slaying = "?random/$md5";
		2721
		2722	if ($exit->valid) {
1737	$exit->slaying ("?random/$md5");	2723	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2724	$exit->msg (undef);
		2725	}
1739	}	2726	}
1740	}	2727	}
1741		2728
1742	sub cf::object::player::enter_exit {	2729	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2730	my ($self, $exit) = @_;
…		…
1745	return unless $self->type == cf::PLAYER;	2732	return unless $self->type == cf::PLAYER;
1746		2733
1747	$self->enter_link;	2734	$self->enter_link;
1748		2735
1749	(async {	2736	(async {
1750	$self->deactivate_recursive; # just to be sure	2737	$Coro::current->{desc} = "enter_exit";
		2738
1751	unless (eval {	2739	unless (eval {
		2740	$self->deactivate_recursive; # just to be sure
		2741
		2742	# random map handling
		2743	{
		2744	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2745
1752	prepare_random_map $exit	2746	prepare_random_map $exit
1753	if $exit->slaying eq "/!";	2747	if $exit->slaying eq "/!";
		2748	}
1754		2749
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2750	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2751	my $x = $exit->stats->hp;
		2752	my $y = $exit->stats->sp;
1757		2753
		2754	$self->goto ($map, $x, $y);
		2755
		2756	# if exit is damned, update players death & WoR home-position
		2757	$self->contr->savebed ($map, $x, $y)
		2758	if $exit->flag (cf::FLAG_DAMNED);
		2759
1758	1;	2760	1
1759	}) {	2761	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2762	$self->message ("Something went wrong deep within the deliantra server. "
1761	. "I'll try to bring you back to the map you were before. "	2763	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2764	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2765	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2766
1765	warn "ERROR in enter_exit: $@";	2767	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2768	$self->leave_link;
1767	}	2769	}
1768	})->prio (1);	2770	})->prio (1);
…		…
1781		2783
1782	sub cf::client::send_drawinfo {	2784	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2785	my ($self, $text, $flags) = @_;
1784		2786
1785	utf8::encode $text;	2787	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2788	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2789	}
1788		2790
		2791	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2792
		2793	Send a drawinfo or msg packet to the client, formatting the msg for the
		2794	client if neccessary. C<$type> should be a string identifying the type of
		2795	the message, with C<log> being the default. If C<$color> is negative, suppress
		2796	the message unless the client supports the msg packet.
		2797
		2798	=cut
		2799
		2800	# non-persistent channels (usually the info channel)
		2801	our %CHANNEL = (
		2802	"c/motd" => {
		2803	id => "infobox",
		2804	title => "MOTD",
		2805	reply => undef,
		2806	tooltip => "The message of the day",
		2807	},
		2808	"c/identify" => {
		2809	id => "infobox",
		2810	title => "Identify",
		2811	reply => undef,
		2812	tooltip => "Items recently identified",
		2813	},
		2814	"c/examine" => {
		2815	id => "infobox",
		2816	title => "Examine",
		2817	reply => undef,
		2818	tooltip => "Signs and other items you examined",
		2819	},
		2820	"c/shopinfo" => {
		2821	id => "infobox",
		2822	title => "Shop Info",
		2823	reply => undef,
		2824	tooltip => "What your bargaining skill tells you about the shop",
		2825	},
		2826	"c/book" => {
		2827	id => "infobox",
		2828	title => "Book",
		2829	reply => undef,
		2830	tooltip => "The contents of a note or book",
		2831	},
		2832	"c/lookat" => {
		2833	id => "infobox",
		2834	title => "Look",
		2835	reply => undef,
		2836	tooltip => "What you saw there",
		2837	},
		2838	"c/who" => {
		2839	id => "infobox",
		2840	title => "Players",
		2841	reply => undef,
		2842	tooltip => "Shows players who are currently online",
		2843	},
		2844	"c/body" => {
		2845	id => "infobox",
		2846	title => "Body Parts",
		2847	reply => undef,
		2848	tooltip => "Shows which body parts you posess and are available",
		2849	},
		2850	"c/statistics" => {
		2851	id => "infobox",
		2852	title => "Statistics",
		2853	reply => undef,
		2854	tooltip => "Shows your primary statistics",
		2855	},
		2856	"c/skills" => {
		2857	id => "infobox",
		2858	title => "Skills",
		2859	reply => undef,
		2860	tooltip => "Shows your experience per skill and item power",
		2861	},
		2862	"c/shopitems" => {
		2863	id => "infobox",
		2864	title => "Shop Items",
		2865	reply => undef,
		2866	tooltip => "Shows the items currently for sale in this shop",
		2867	},
		2868	"c/resistances" => {
		2869	id => "infobox",
		2870	title => "Resistances",
		2871	reply => undef,
		2872	tooltip => "Shows your resistances",
		2873	},
		2874	"c/pets" => {
		2875	id => "infobox",
		2876	title => "Pets",
		2877	reply => undef,
		2878	tooltip => "Shows information abotu your pets/a specific pet",
		2879	},
		2880	"c/perceiveself" => {
		2881	id => "infobox",
		2882	title => "Perceive Self",
		2883	reply => undef,
		2884	tooltip => "You gained detailed knowledge about yourself",
		2885	},
		2886	"c/uptime" => {
		2887	id => "infobox",
		2888	title => "Uptime",
		2889	reply => undef,
		2890	tooltip => "How long the server has been running since last restart",
		2891	},
		2892	"c/mapinfo" => {
		2893	id => "infobox",
		2894	title => "Map Info",
		2895	reply => undef,
		2896	tooltip => "Information related to the maps",
		2897	},
		2898	"c/party" => {
		2899	id => "party",
		2900	title => "Party",
		2901	reply => "gsay ",
		2902	tooltip => "Messages and chat related to your party",
		2903	},
		2904	"c/death" => {
		2905	id => "death",
		2906	title => "Death",
		2907	reply => undef,
		2908	tooltip => "Reason for and more info about your most recent death",
		2909	},
		2910	"c/say" => $SAY_CHANNEL,
		2911	"c/chat" => $CHAT_CHANNEL,
		2912	);
		2913
		2914	sub cf::client::send_msg {
		2915	my ($self, $channel, $msg, $color, @extra) = @_;
		2916
		2917	$msg = $self->pl->expand_cfpod ($msg)
		2918	unless $color & cf::NDI_VERBATIM;
		2919
		2920	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2921
		2922	# check predefined channels, for the benefit of C
		2923	if ($CHANNEL{$channel}) {
		2924	$channel = $CHANNEL{$channel};
		2925
		2926	$self->ext_msg (channel_info => $channel);
		2927	$channel = $channel->{id};
		2928
		2929	} elsif (ref $channel) {
		2930	# send meta info to client, if not yet sent
		2931	unless (exists $self->{channel}{$channel->{id}}) {
		2932	$self->{channel}{$channel->{id}} = $channel;
		2933	$self->ext_msg (channel_info => $channel);
		2934	}
		2935
		2936	$channel = $channel->{id};
		2937	}
		2938
		2939	return unless @extra || length $msg;
		2940
		2941	# default colour, mask it out
		2942	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2943	if $color & cf::NDI_DEF;
		2944
		2945	my $pkt = "msg "
		2946	. $self->{json_coder}->encode (
		2947	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2948	);
		2949
		2950	# try lzf for large packets
		2951	$pkt = "lzf " . Compress::LZF::compress $pkt
		2952	if 1024 <= length $pkt and $self->{can_lzf};
		2953
		2954	# split very large packets
		2955	if (8192 < length $pkt and $self->{can_lzf}) {
		2956	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2957	$pkt = "frag";
		2958	}
		2959
		2960	$self->send_packet ($pkt);
		2961	}
		2962
		2963	=item $client->ext_msg ($type, @msg)
		2964
		2965	Sends an ext event to the client.
		2966
		2967	=cut
		2968
		2969	sub cf::client::ext_msg($$@) {
		2970	my ($self, $type, @msg) = @_;
		2971
		2972	if ($self->extcmd == 2) {
		2973	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2974	} elsif ($self->extcmd == 1) { # TODO: remove
		2975	push @msg, msgtype => "event_$type";
		2976	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2977	}
		2978	}
		2979
		2980	=item $client->ext_reply ($msgid, @msg)
		2981
		2982	Sends an ext reply to the client.
		2983
		2984	=cut
		2985
		2986	sub cf::client::ext_reply($$@) {
		2987	my ($self, $id, @msg) = @_;
		2988
		2989	if ($self->extcmd == 2) {
		2990	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2991	} elsif ($self->extcmd == 1) {
		2992	#TODO: version 1, remove
		2993	unshift @msg, msgtype => "reply", msgid => $id;
		2994	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2995	}
		2996	}
1789		2997
1790	=item $success = $client->query ($flags, "text", \&cb)	2998	=item $success = $client->query ($flags, "text", \&cb)
1791		2999
1792	Queues a query to the client, calling the given callback with	3000	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3001	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3002	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		3003
1796	Queries can fail, so check the return code. Or don't, as queries will become	3004	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	3005	become reliable at some point in the future.
1798		3006
1799	=cut	3007	=cut
1800		3008
1801	sub cf::client::query {	3009	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	3010	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	3018	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3019	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		3020
1813	$self->send_packet ($self->{query_queue}[0][0])	3021	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	3022	if @{ $self->{query_queue} } == 1;
		3023
		3024	1
1815	}	3025	}
1816		3026
1817	cf::client->attach (	3027	cf::client->attach (
		3028	on_connect => sub {
		3029	my ($ns) = @_;
		3030
		3031	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3032	},
1818	on_reply => sub {	3033	on_reply => sub {
1819	my ($ns, $msg) = @_;	3034	my ($ns, $msg) = @_;
1820		3035
1821	# this weird shuffling is so that direct followup queries	3036	# this weird shuffling is so that direct followup queries
1822	# get handled first	3037	# get handled first
1823	my $queue = delete $ns->{query_queue}	3038	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	3039	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		3040
1826	(shift @$queue)->[1]->($msg);	3041	(shift @$queue)->[1]->($msg);
		3042	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		3043
1828	push @{ $ns->{query_queue} }, @$queue;	3044	push @{ $ns->{query_queue} }, @$queue;
1829		3045
1830	if (@{ $ns->{query_queue} } == @$queue) {	3046	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	3047	if (@$queue) {
…		…
1833	} else {	3049	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3050	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	3051	}
1836	}	3052	}
1837	},	3053	},
		3054	on_exticmd => sub {
		3055	my ($ns, $buf) = @_;
		3056
		3057	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3058
		3059	if (ref $msg) {
		3060	my ($type, $reply, @payload) =
		3061	"ARRAY" eq ref $msg
		3062	? @$msg
		3063	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3064
		3065	my @reply;
		3066
		3067	if (my $cb = $EXTICMD{$type}) {
		3068	@reply = $cb->($ns, @payload);
		3069	}
		3070
		3071	$ns->ext_reply ($reply, @reply)
		3072	if $reply;
		3073
		3074	} else {
		3075	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3076	}
		3077
		3078	cf::override;
		3079	},
1838	);	3080	);
1839		3081
1840	=item $client->async (\&cb)	3082	=item $client->async (\&cb)
1841		3083
1842	Create a new coroutine, running the specified callback. The coroutine will	3084	Create a new coroutine, running the specified callback. The coroutine will
…		…
1883	our $safe = new Safe "safe";	3125	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	3126	our $safe_hole = new Safe::Hole;
1885		3127
1886	$SIG{FPE} = 'IGNORE';	3128	$SIG{FPE} = 'IGNORE';
1887		3129
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3130	$safe->permit_only (Opcode::opset qw(
		3131	:base_core :base_mem :base_orig :base_math
		3132	grepstart grepwhile mapstart mapwhile
		3133	sort time
		3134	));
1889		3135
1890	# here we export the classes and methods available to script code	3136	# here we export the classes and methods available to script code
1891		3137
1892	=pod	3138	=pod
1893		3139
1894	The following fucntions and emthods are available within a safe environment:	3140	The following functions and methods are available within a safe environment:
1895		3141
1896	cf::object contr pay_amount pay_player map	3142	cf::object
		3143	contr pay_amount pay_player map x y force_find force_add destroy
		3144	insert remove name archname title slaying race decrease split
		3145	value
		3146
1897	cf::object::player player	3147	cf::object::player
1898	cf::player peaceful	3148	player
1899	cf::map trigger	3149
		3150	cf::player
		3151	peaceful
		3152
		3153	cf::map
		3154	trigger
1900		3155
1901	=cut	3156	=cut
1902		3157
1903	for (	3158	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	3159	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3160	insert remove inv nrof name archname title slaying race
		3161	decrease split destroy change_exp value msg lore send_msg)],
1905	["cf::object::player" => qw(player)],	3162	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	3163	["cf::player" => qw(peaceful send_msg)],
1907	["cf::map" => qw(trigger)],	3164	["cf::map" => qw(trigger)],
1908	) {	3165	) {
1909	no strict 'refs';	3166	no strict 'refs';
1910	my ($pkg, @funs) = @$_;	3167	my ($pkg, @funs) = @$_;
1911	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3168	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1928	my ($code, %vars) = @_;	3185	my ($code, %vars) = @_;
1929		3186
1930	my $qcode = $code;	3187	my $qcode = $code;
1931	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3188	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1932	$qcode =~ s/\n/\\n/g;	3189	$qcode =~ s/\n/\\n/g;
		3190
		3191	%vars = (_dummy => 0) unless %vars;
1933		3192
1934	local $_;	3193	local $_;
1935	local @safe::cf::_safe_eval_args = values %vars;	3194	local @safe::cf::_safe_eval_args = values %vars;
1936		3195
1937	my $eval =	3196	my $eval =
…		…
1980	=back	3239	=back
1981		3240
1982	=cut	3241	=cut
1983		3242
1984	#############################################################################	3243	#############################################################################
		3244	# the server's init and main functions
1985		3245
1986	=head2 EXTENSION DATABASE SUPPORT	3246	sub load_facedata($) {
		3247	my ($path) = @_;
1987		3248
1988	Crossfire maintains a very simple database for extension use. It can	3249	# HACK to clear player env face cache, we need some signal framework
1989	currently store anything that can be serialised using Storable, which	3250	# for this (global event?)
1990	excludes objects.	3251	%ext::player_env::MUSIC_FACE_CACHE = ();
1991		3252
1992	The parameter C<$family> should best start with the name of the extension	3253	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1993	using it, it should be unique.
1994		3254
1995	=over 4	3255	warn "loading facedata from $path\n";
1996		3256
1997	=item $hashref = cf::db_get $family	3257	my $facedata;
		3258	0 < aio_load $path, $facedata
		3259	or die "$path: $!";
1998		3260
1999	Return a hashref for use by the extension C<$family>, which can be	3261	$facedata = Coro::Storable::thaw $facedata;
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002		3262
2003	=item $value = cf::db_get $family => $key	3263	$facedata->{version} == 2
		3264	or cf::cleanup "$path: version mismatch, cannot proceed.";
2004		3265
2005	Returns a single value from the database	3266	# patch in the exptable
2006		3267	$facedata->{resource}{"res/exp_table"} = {
2007	=item cf::db_put $family => $hashref	3268	type => FT_RSRC,
2008		3269	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}
2035
2036	my $pid;
2037
2038	sub db_save() {
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});	3270	};
		3271	cf::cede_to_tick;
2058		3272
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}	3273	{
		3274	my $faces = $facedata->{faceinfo};
2063		3275
2064	sub db_get($;$) {	3276	while (my ($face, $info) = each %$faces) {
2065	@_ >= 2	3277	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069		3278
2070	sub db_put($$;$) {	3279	cf::face::set_visibility $idx, $info->{visibility};
2071	if (@_ >= 3) {	3280	cf::face::set_magicmap $idx, $info->{magicmap};
2072	$DB->{$_[0]}{$_[1]} = $_[2];	3281	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2073	} else {	3282	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078		3283
2079	cf::global->attach (	3284	cf::cede_to_tick;
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	3285	}
2084	);
2085	}
2086		3286
2087	#############################################################################	3287	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	3288	next unless $info->{smooth};
2089		3289
2090	sub cfg_load {	3290	my $idx = cf::face::find $face
		3291	or next;
		3292
		3293	if (my $smooth = cf::face::find $info->{smooth}) {
		3294	cf::face::set_smooth $idx, $smooth;
		3295	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3296	} else {
		3297	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3298	}
		3299
		3300	cf::cede_to_tick;
		3301	}
		3302	}
		3303
		3304	{
		3305	my $anims = $facedata->{animinfo};
		3306
		3307	while (my ($anim, $info) = each %$anims) {
		3308	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3309	cf::cede_to_tick;
		3310	}
		3311
		3312	cf::anim::invalidate_all; # d'oh
		3313	}
		3314
		3315	{
		3316	# TODO: for gcfclient pleasure, we should give resources
		3317	# that gcfclient doesn't grok a >10000 face index.
		3318	my $res = $facedata->{resource};
		3319
		3320	while (my ($name, $info) = each %$res) {
		3321	if (defined $info->{type}) {
		3322	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3323	my $data;
		3324
		3325	if ($info->{type} & 1) {
		3326	# prepend meta info
		3327
		3328	my $meta = $enc->encode ({
		3329	name => $name,
		3330	%{ $info->{meta} || {} },
		3331	});
		3332
		3333	$data = pack "(w/a*)*", $meta, $info->{data};
		3334	} else {
		3335	$data = $info->{data};
		3336	}
		3337
		3338	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3339	cf::face::set_type $idx, $info->{type};
		3340	} else {
		3341	$RESOURCE{$name} = $info;
		3342	}
		3343
		3344	cf::cede_to_tick;
		3345	}
		3346	}
		3347
		3348	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3349
		3350	1
		3351	}
		3352
		3353	cf::global->attach (on_resource_update => sub {
		3354	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3355	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3356
		3357	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3358	my $sound = $soundconf->{compat}[$_]
		3359	or next;
		3360
		3361	my $face = cf::face::find "sound/$sound->[1]";
		3362	cf::sound::set $sound->[0] => $face;
		3363	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3364	}
		3365
		3366	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3367	my $face = cf::face::find "sound/$v";
		3368	cf::sound::set $k => $face;
		3369	}
		3370	}
		3371	});
		3372
		3373	register_exticmd fx_want => sub {
		3374	my ($ns, $want) = @_;
		3375
		3376	while (my ($k, $v) = each %$want) {
		3377	$ns->fx_want ($k, $v);
		3378	}
		3379	};
		3380
		3381	sub load_resource_file($) {
		3382	my $guard = lock_acquire "load_resource_file";
		3383
		3384	my $status = load_resource_file_ $_[0];
		3385	get_slot 0.1, 100;
		3386	cf::arch::commit_load;
		3387
		3388	$status
		3389	}
		3390
		3391	sub reload_regions {
		3392	# HACK to clear player env face cache, we need some signal framework
		3393	# for this (global event?)
		3394	%ext::player_env::MUSIC_FACE_CACHE = ();
		3395
		3396	load_resource_file "$MAPDIR/regions"
		3397	or die "unable to load regions file\n";
		3398
		3399	for (cf::region::list) {
		3400	$_->{match} = qr/$_->{match}/
		3401	if exists $_->{match};
		3402	}
		3403	}
		3404
		3405	sub reload_facedata {
		3406	load_facedata "$DATADIR/facedata"
		3407	or die "unable to load facedata\n";
		3408	}
		3409
		3410	sub reload_archetypes {
		3411	load_resource_file "$DATADIR/archetypes"
		3412	or die "unable to load archetypes\n";
		3413	}
		3414
		3415	sub reload_treasures {
		3416	load_resource_file "$DATADIR/treasures"
		3417	or die "unable to load treasurelists\n";
		3418	}
		3419
		3420	sub reload_resources {
		3421	warn "reloading resource files...\n";
		3422
		3423	reload_facedata;
		3424	reload_archetypes;
		3425	reload_regions;
		3426	reload_treasures;
		3427
		3428	warn "finished reloading resource files\n";
		3429	}
		3430
		3431	sub reload_config {
		3432	warn "reloading config file...\n";
		3433
2091	open my $fh, "<:utf8", cf::confdir . "/config"	3434	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	3435	or return;
2093		3436
2094	local $/;	3437	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	3438	*CFG = YAML::XS::Load scalar <$fh>;
2096		3439
2097	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3440	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2098		3441
2099	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3442	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2100	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3443	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2104	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3447	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2105	and die "WARNING: m(un)lockall failed: $!\n";	3448	and die "WARNING: m(un)lockall failed: $!\n";
2106	};	3449	};
2107	warn $@ if $@;	3450	warn $@ if $@;
2108	}	3451	}
		3452
		3453	warn "finished reloading resource files\n";
		3454	}
		3455
		3456	sub pidfile() {
		3457	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3458	or die "$PIDFILE: $!";
		3459	flock $fh, &Fcntl::LOCK_EX
		3460	or die "$PIDFILE: flock: $!";
		3461	$fh
		3462	}
		3463
		3464	# make sure only one server instance is running at any one time
		3465	sub atomic {
		3466	my $fh = pidfile;
		3467
		3468	my $pid = <$fh>;
		3469	kill 9, $pid if $pid > 0;
		3470
		3471	seek $fh, 0, 0;
		3472	print $fh $$;
		3473	}
		3474
		3475	sub main_loop {
		3476	warn "EV::loop starting\n";
		3477	if (1) {
		3478	EV::loop;
		3479	}
		3480	warn "EV::loop returned\n";
		3481	goto &main_loop unless $REALLY_UNLOOP;
2109	}	3482	}
2110		3483
2111	sub main {	3484	sub main {
		3485	cf::init_globals; # initialise logging
		3486
		3487	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3488	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3489	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3490	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3491
		3492	cf::init_experience;
		3493	cf::init_anim;
		3494	cf::init_attackmess;
		3495	cf::init_dynamic;
		3496
		3497	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3498
2112	# we must not ever block the main coroutine	3499	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	3500	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3501	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2115	async { Event::one_event };	3502	(async {
		3503	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3504	EV::loop EV::LOOP_ONESHOT;
		3505	})->prio (Coro::PRIO_MAX);
2116	};	3506	};
2117		3507
2118	cfg_load;	3508	evthread_start IO::AIO::poll_fileno;
2119	db_load;	3509
		3510	cf::sync_job {
		3511	reload_resources;
		3512	reload_config;
		3513	db_init;
		3514
		3515	cf::load_settings;
		3516	cf::load_materials;
		3517	cf::init_uuid;
		3518	cf::init_signals;
		3519	cf::init_commands;
		3520	cf::init_skills;
		3521
		3522	cf::init_beforeplay;
		3523
		3524	atomic;
		3525
2120	load_extensions;	3526	load_extensions;
2121	Event::loop;	3527
		3528	utime time, time, $RUNTIMEFILE;
		3529
		3530	# no (long-running) fork's whatsoever before this point(!)
		3531	use POSIX ();
		3532	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3533
		3534	(pop @POST_INIT)->(0) while @POST_INIT;
		3535	};
		3536
		3537	main_loop;
2122	}	3538	}
2123		3539
2124	#############################################################################	3540	#############################################################################
2125	# initialisation	3541	# initialisation and cleanup
2126		3542
		3543	# install some emergency cleanup handlers
		3544	BEGIN {
		3545	our %SIGWATCHER = ();
		3546	for my $signal (qw(INT HUP TERM)) {
		3547	$SIGWATCHER{$signal} = EV::signal $signal, sub {
		3548	cf::cleanup "SIG$signal";
		3549	};
		3550	}
		3551	}
		3552
		3553	sub write_runtime_sync {
		3554	# first touch the runtime file to show we are still running:
		3555	# the fsync below can take a very very long time.
		3556
		3557	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3558
		3559	my $guard = cf::lock_acquire "write_runtime";
		3560
		3561	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3562	or return;
		3563
		3564	my $value = $cf::RUNTIME + 90 + 10;
		3565	# 10 is the runtime save interval, for a monotonic clock
		3566	# 60 allows for the watchdog to kill the server.
		3567
		3568	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3569	and return;
		3570
		3571	# always fsync - this file is important
		3572	aio_fsync $fh
		3573	and return;
		3574
		3575	# touch it again to show we are up-to-date
		3576	aio_utime $fh, undef, undef;
		3577
		3578	close $fh
		3579	or return;
		3580
		3581	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3582	and return;
		3583
		3584	warn "runtime file written.\n";
		3585
		3586	1
		3587	}
		3588
		3589	our $uuid_lock;
		3590	our $uuid_skip;
		3591
		3592	sub write_uuid_sync($) {
		3593	$uuid_skip ||= $_[0];
		3594
		3595	return if $uuid_lock;
		3596	local $uuid_lock = 1;
		3597
		3598	my $uuid = "$LOCALDIR/uuid";
		3599
		3600	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3601	or return;
		3602
		3603	my $value = uuid_seq uuid_cur;
		3604
		3605	unless ($value) {
		3606	warn "cowardly refusing to write zero uuid value!\n";
		3607	return;
		3608	}
		3609
		3610	my $value = uuid_str $value + $uuid_skip;
		3611	$uuid_skip = 0;
		3612
		3613	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3614	and return;
		3615
		3616	# always fsync - this file is important
		3617	aio_fsync $fh
		3618	and return;
		3619
		3620	close $fh
		3621	or return;
		3622
		3623	aio_rename "$uuid~", $uuid
		3624	and return;
		3625
		3626	warn "uuid file written ($value).\n";
		3627
		3628	1
		3629
		3630	}
		3631
		3632	sub write_uuid($$) {
		3633	my ($skip, $sync) = @_;
		3634
		3635	$sync ? write_uuid_sync $skip
		3636	: async { write_uuid_sync $skip };
		3637	}
		3638
		3639	sub emergency_save() {
		3640	my $freeze_guard = cf::freeze_mainloop;
		3641
		3642	warn "emergency_perl_save: enter\n";
		3643
		3644	cf::sync_job {
		3645	# this is a trade-off: we want to be very quick here, so
		3646	# save all maps without fsync, and later call a global sync
		3647	# (which in turn might be very very slow)
		3648	local $USE_FSYNC = 0;
		3649
		3650	# use a peculiar iteration method to avoid tripping on perl
		3651	# refcount bugs in for. also avoids problems with players
		3652	# and maps saved/destroyed asynchronously.
		3653	warn "emergency_perl_save: begin player save\n";
		3654	for my $login (keys %cf::PLAYER) {
		3655	my $pl = $cf::PLAYER{$login} or next;
		3656	$pl->valid or next;
		3657	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3658	$pl->save;
		3659	}
		3660	warn "emergency_perl_save: end player save\n";
		3661
		3662	warn "emergency_perl_save: begin map save\n";
		3663	for my $path (keys %cf::MAP) {
		3664	my $map = $cf::MAP{$path} or next;
		3665	$map->valid or next;
		3666	$map->save;
		3667	}
		3668	warn "emergency_perl_save: end map save\n";
		3669
		3670	warn "emergency_perl_save: begin database checkpoint\n";
		3671	BDB::db_env_txn_checkpoint $DB_ENV;
		3672	warn "emergency_perl_save: end database checkpoint\n";
		3673
		3674	warn "emergency_perl_save: begin write uuid\n";
		3675	write_uuid_sync 1;
		3676	warn "emergency_perl_save: end write uuid\n";
		3677	};
		3678
		3679	warn "emergency_perl_save: starting sync()\n";
		3680	IO::AIO::aio_sync sub {
		3681	warn "emergency_perl_save: finished sync()\n";
		3682	};
		3683
		3684	warn "emergency_perl_save: leave\n";
		3685	}
		3686
		3687	sub post_cleanup {
		3688	my ($make_core) = @_;
		3689
		3690	warn Carp::longmess "post_cleanup backtrace"
		3691	if $make_core;
		3692
		3693	my $fh = pidfile;
		3694	unlink $PIDFILE if <$fh> == $$;
		3695	}
		3696
		3697	# a safer delete_package, copied from Symbol
		3698	sub clear_package($) {
		3699	my $pkg = shift;
		3700
		3701	# expand to full symbol table name if needed
		3702	unless ($pkg =~ /^main::.*::$/) {
		3703	$pkg = "main$pkg" if $pkg =~ /^::/;
		3704	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3705	$pkg .= '::' unless $pkg =~ /::$/;
		3706	}
		3707
		3708	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3709	my $stem_symtab = *{$stem}{HASH};
		3710
		3711	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3712	or return;
		3713
		3714	# clear all symbols
		3715	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3716	for my $name (keys %$leaf_symtab) {
		3717	_gv_clear *{"$pkg$name"};
		3718	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3719	}
		3720	warn "cleared package $pkg\n";#d#
		3721	}
		3722
2127	sub reload() {	3723	sub do_reload_perl() {
2128	# can/must only be called in main	3724	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3725	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	3726	warn "can only reload from main coroutine";
2131	return;	3727	return;
2132	}	3728	}
2133		3729
		3730	return if $RELOAD++;
		3731
		3732	my $t1 = EV::time;
		3733
		3734	while ($RELOAD) {
2134	warn "reloading...";	3735	warn "reloading...";
2135		3736
2136	my $guard = freeze_mainloop;	3737	warn "entering sync_job";
		3738
		3739	cf::sync_job {
		3740	cf::write_runtime_sync; # external watchdog should not bark
2137	cf::emergency_save;	3741	cf::emergency_save;
		3742	cf::write_runtime_sync; # external watchdog should not bark
2138		3743
2139	eval {	3744	warn "syncing database to disk";
		3745	BDB::db_env_txn_checkpoint $DB_ENV;
		3746
2140	# if anything goes wrong in here, we should simply crash as we already saved	3747	# if anything goes wrong in here, we should simply crash as we already saved
2141		3748
2142	# cancel all watchers	3749	warn "flushing outstanding aio requests";
2143	for (Event::all_watchers) {	3750	while (IO::AIO::nreqs || BDB::nreqs) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	3751	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2145	}
2146
2147	# cancel all extension coros
2148	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();
2150
2151	# unload all extensions
2152	for (@exts) {
2153	warn "unloading <$_>";
2154	unload_extension $_;
2155	}
2156
2157	# unload all modules loaded from $LIBDIR
2158	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160
2161	warn "removing <$k>";
2162	delete $INC{$k};
2163
2164	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;
2166
2167	if (my $cb = $k->can ("unload_module")) {
2168	$cb->();
2169	}	3752	}
2170		3753
2171	Symbol::delete_package $k;	3754	warn "cancelling all extension coros";
		3755	$_->cancel for values %EXT_CORO;
		3756	%EXT_CORO = ();
		3757
		3758	warn "removing commands";
		3759	%COMMAND = ();
		3760
		3761	warn "removing ext/exti commands";
		3762	%EXTCMD = ();
		3763	%EXTICMD = ();
		3764
		3765	warn "unloading/nuking all extensions";
		3766	for my $pkg (@EXTS) {
		3767	warn "... unloading $pkg";
		3768
		3769	if (my $cb = $pkg->can ("unload")) {
		3770	eval {
		3771	$cb->($pkg);
		3772	1
		3773	} or warn "$pkg unloaded, but with errors: $@";
		3774	}
		3775
		3776	warn "... clearing $pkg";
		3777	clear_package $pkg;
2172	}	3778	}
2173		3779
2174	# sync database to disk	3780	warn "unloading all perl modules loaded from $LIBDIR";
2175	cf::db_sync;	3781	while (my ($k, $v) = each %INC) {
2176	IO::AIO::flush;	3782	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2177		3783
		3784	warn "... unloading $k";
		3785	delete $INC{$k};
		3786
		3787	$k =~ s/\.pm$//;
		3788	$k =~ s/\//::/g;
		3789
		3790	if (my $cb = $k->can ("unload_module")) {
		3791	$cb->();
		3792	}
		3793
		3794	clear_package $k;
		3795	}
		3796
2178	# get rid of safe::, as good as possible	3797	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3798	clear_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3799	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3800
2182	# remove register_script_function callbacks	3801	warn "unloading cf.pm \"a bit\"";
2183	# TODO
2184
2185	# unload cf.pm "a bit"
2186	delete $INC{"cf.pm"};	3802	delete $INC{"cf.pm"};
		3803	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2187		3804
2188	# don't, removes xs symbols, too,	3805	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3806	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3807	#clear_package __PACKAGE__;
2191		3808
2192	# reload cf.pm	3809	warn "unload completed, starting to reload now";
		3810
2193	warn "reloading cf.pm";	3811	warn "reloading cf.pm";
2194	require cf;	3812	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3813	cf::_connect_to_perl_1;
2196		3814
2197	# load config and database again	3815	warn "loading config and database again";
2198	cf::cfg_load;	3816	cf::reload_config;
2199	cf::db_load;
2200		3817
2201	# load extensions
2202	warn "load extensions";	3818	warn "loading extensions";
2203	cf::load_extensions;	3819	cf::load_extensions;
2204		3820
2205	# reattach attachments to objects	3821	if ($REATTACH_ON_RELOAD) {
2206	warn "reattach";	3822	warn "reattaching attachments to objects/players";
2207	_global_reattach;	3823	_global_reattach; # objects, sockets
		3824	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3825	reattach $_ for values %MAP;
		3826	warn "reattaching attachments to players";
		3827	reattach $_ for values %PLAYER;
		3828	}
		3829
		3830	warn "running post_init jobs";
		3831	(pop @POST_INIT)->(1) while @POST_INIT;
		3832
		3833	warn "leaving sync_job";
		3834
		3835	1
		3836	} or do {
		3837	warn $@;
		3838	cf::cleanup "error while reloading, exiting.";
		3839	};
		3840
		3841	warn "reloaded";
		3842	--$RELOAD;
		3843	}
		3844
		3845	$t1 = EV::time - $t1;
		3846	warn "reload completed in ${t1}s\n";
		3847	};
		3848
		3849	our $RELOAD_WATCHER; # used only during reload
		3850
		3851	sub reload_perl() {
		3852	# doing reload synchronously and two reloads happen back-to-back,
		3853	# coro crashes during coro_state_free->destroy here.
		3854
		3855	$RELOAD_WATCHER ||= cf::async {
		3856	Coro::AIO::aio_wait cache_extensions;
		3857
		3858	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3859	do_reload_perl;
		3860	undef $RELOAD_WATCHER;
		3861	};
2209	};	3862	};
2210
2211	if ($@) {
2212	warn $@;
2213	warn "error while reloading, exiting.";
2214	exit 1;
2215	}
2216
2217	warn "reloaded successfully";
2218	};
2219
2220	#############################################################################
2221
2222	unless ($LINK_MAP) {
2223	$LINK_MAP = cf::map::new;
2224
2225	$LINK_MAP->width (41);
2226	$LINK_MAP->height (41);
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,
2235	cb => sub {
2236	$_[0]->w->cancel;
2237
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});
2256
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3863	}
2262
2263	register "<global>", __PACKAGE__;
2264		3864
2265	register_command "reload" => sub {	3865	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3866	my ($who, $arg) = @_;
2267		3867
2268	if ($who->flag (FLAG_WIZ)) {	3868	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3869	$who->message ("reloading server.");
		3870	async {
		3871	$Coro::current->{desc} = "perl_reload";
		3872	reload_perl;
		3873	};
2272	}	3874	}
2273	};	3875	};
2274		3876
2275	unshift @INC, $LIBDIR;	3877	unshift @INC, $LIBDIR;
2276		3878
2277	$TICK_WATCHER = Event->timer (	3879	my $bug_warning = 0;
2278	reentrant => 0,	3880
2279	prio => 0,	3881	our @WAIT_FOR_TICK;
2280	at => $NEXT_TICK || $TICK,	3882	our @WAIT_FOR_TICK_BEGIN;
2281	data => WF_AUTOCANCEL,	3883
2282	cb => sub {	3884	sub wait_for_tick {
		3885	return if tick_inhibit || $Coro::current == $Coro::main;
		3886
		3887	my $signal = new Coro::Signal;
		3888	push @WAIT_FOR_TICK, $signal;
		3889	$signal->wait;
		3890	}
		3891
		3892	sub wait_for_tick_begin {
		3893	return if tick_inhibit || $Coro::current == $Coro::main;
		3894
		3895	my $signal = new Coro::Signal;
		3896	push @WAIT_FOR_TICK_BEGIN, $signal;
		3897	$signal->wait;
		3898	}
		3899
		3900	sub tick {
		3901	if ($Coro::current != $Coro::main) {
		3902	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3903	unless ++$bug_warning > 10;
		3904	return;
		3905	}
		3906
2283	cf::server_tick; # one server iteration	3907	cf::server_tick; # one server iteration
2284	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;
2286		3908
2287	# if we are delayed by four ticks or more, skip them all	3909	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3910	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2289		3911	Coro::async_pool {
2290	$TICK_WATCHER->at ($NEXT_TICK);	3912	$Coro::current->{desc} = "runtime saver";
2291	$TICK_WATCHER->start;
2292	},
2293	);
2294
2295	IO::AIO::max_poll_time $TICK * 0.2;
2296
2297	Event->io (
2298	fd => IO::AIO::poll_fileno,
2299	poll => 'r',
2300	prio => 5,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,
2307	after => 0,
2308	interval => 10,
2309	cb => sub {
2310	(Coro::unblock_sub {
2311	write_runtime	3913	write_runtime_sync
2312	or warn "ERROR: unable to write runtime file: $!";	3914	or warn "ERROR: unable to write runtime file: $!";
2313	})->();	3915	};
2314	},	3916	}
2315	);	3917
		3918	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3919	$sig->send;
		3920	}
		3921	while (my $sig = shift @WAIT_FOR_TICK) {
		3922	$sig->send;
		3923	}
		3924
		3925	$LOAD = ($NOW - $TICK_START) / $TICK;
		3926	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3927
		3928	if (0) {
		3929	if ($NEXT_TICK) {
		3930	my $jitter = $TICK_START - $NEXT_TICK;
		3931	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3932	warn "jitter $JITTER\n";#d#
		3933	}
		3934	}
		3935	}
		3936
		3937	{
		3938	# configure BDB
		3939
		3940	BDB::min_parallel 8;
		3941	BDB::max_poll_reqs $TICK * 0.1;
		3942	$AnyEvent::BDB::WATCHER->priority (1);
		3943
		3944	unless ($DB_ENV) {
		3945	$DB_ENV = BDB::db_env_create;
		3946	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3947	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3948	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3949	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3950	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3951
		3952	cf::sync_job {
		3953	eval {
		3954	BDB::db_env_open
		3955	$DB_ENV,
		3956	$BDBDIR,
		3957	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3958	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3959	0666;
		3960
		3961	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3962	};
		3963
		3964	cf::cleanup "db_env_open(db): $@" if $@;
		3965	};
		3966	}
		3967
		3968	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3969	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3970	};
		3971	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3972	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3973	};
		3974	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3975	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3976	};
		3977	}
		3978
		3979	{
		3980	# configure IO::AIO
		3981
		3982	IO::AIO::min_parallel 8;
		3983	IO::AIO::max_poll_time $TICK * 0.1;
		3984	undef $AnyEvent::AIO::WATCHER;
		3985	}
		3986
		3987	my $_log_backtrace;
		3988
		3989	sub _log_backtrace {
		3990	my ($msg, @addr) = @_;
		3991
		3992	$msg =~ s/\n//;
		3993
		3994	# limit the # of concurrent backtraces
		3995	if ($_log_backtrace < 2) {
		3996	++$_log_backtrace;
		3997	my $perl_bt = Carp::longmess $msg;
		3998	async {
		3999	$Coro::current->{desc} = "abt $msg";
		4000
		4001	my @bt = fork_call {
		4002	@addr = map { sprintf "%x", $_ } @addr;
		4003	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4004	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4005	or die "addr2line: $!";
		4006
		4007	my @funcs;
		4008	my @res = <$fh>;
		4009	chomp for @res;
		4010	while (@res) {
		4011	my ($func, $line) = splice @res, 0, 2, ();
		4012	push @funcs, "[$func] $line";
		4013	}
		4014
		4015	@funcs
		4016	};
		4017
		4018	LOG llevInfo, "[ABT] $perl_bt\n";
		4019	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4020	LOG llevInfo, "[ABT] $_\n" for @bt;
		4021	--$_log_backtrace;
		4022	};
		4023	} else {
		4024	LOG llevInfo, "[ABT] $msg\n";
		4025	LOG llevInfo, "[ABT] [suppressed]\n";
		4026	}
		4027	}
		4028
		4029	# load additional modules
		4030	require "cf/$_.pm" for @EXTRA_MODULES;
		4031	cf::_connect_to_perl_2;
2316		4032
2317	END { cf::emergency_save }	4033	END { cf::emergency_save }
2318		4034
2319	1	4035	1
2320		4036

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