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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.115 by root, Mon Jan 1 16:50:10 2007 UTC vs.
Revision 1.517 by root, Thu Apr 15 06:07:51 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3;	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	118	our $NEXT_TICK;
45	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
46		127
47	our %CFG;	128	our %CFG;
48		129
49	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
51		133
52	our %MAP; # all maps	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO;	138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
57		150
58	binmode STDOUT;	151	binmode STDOUT;
59	binmode STDERR;	152	binmode STDERR;
60		153
61	# read virtual server time, if available	154	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
66	}	159	}
67		160
68	mkdir cf::localdir;	161	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		162
74	# a special map that is always available	163	mkdir $_
75	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		165
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		180
79	#############################################################################	181	#############################################################################
80		182
81	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
82		184
…		…
89	=item $cf::RUNTIME	191	=item $cf::RUNTIME
90		192
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	194	every server tick.
93		195
94	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		199
96	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
98		204
99	=item $cf::NOW	205	=item $cf::NOW
100		206
101	The time of the last (current) server tick.	207	The time of the last (current) server tick.
102		208
103	=item $cf::TICK	209	=item $cf::TICK
104		210
105	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
106		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
107	=item %cf::CFG	223	=item %cf::CFG
108		224
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	226	from wherever your confdir points to.
111		227
		228	=item cf::wait_for_tick, cf::wait_for_tick_begin
		229
		230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		231	returns directly I<after> the tick processing (and consequently, can only wake one process
		232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
112	=back	246	=back
113		247
114	=cut	248	=cut
115		249
116	BEGIN {	250	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	251	my $msg = join "", @_;
119	utf8::encode $msg;
120		252
121	$msg .= "\n"	253	$msg .= "\n"
122	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
123		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
124	LOG llevError, "cfperl: $msg";	258	LOG llevError, $msg;
125	};	259	};
126	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
127		274
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		282
135	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	284	# within the Safe compartment.
137	for my $pkg (qw(	285	for my $pkg (qw(
138	cf::global cf::attachable	286	cf::global cf::attachable
139	cf::object cf::object::player	287	cf::object cf::object::player
140	cf::client cf::player	288	cf::client cf::player
141	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
142	cf::map cf::party cf::region	291	cf::party cf::region
143	)) {	292	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	294	}
147		295
148	$Event::DIED = sub {	296	$EV::DIED = sub {
149	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
150	};	298	};
151		299
152	my %ext_pkg;	300	#############################################################################
153	my @exts;
154	my @hook;
155		301
156	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
157		303
158	=over 4	304	=over 4
159		305
160	=cut	306	=item dumpval $ref
161		307
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
163		309
		310	sub dumpval {
		311	eval {
		312	local $SIG{__DIE__};
		313	my $d;
		314	if (1) {
		315	$d = new Data::Dumper([$_[0]], ["*var"]);
		316	$d->Terse(1);
		317	$d->Indent(2);
		318	$d->Quotekeys(0);
		319	$d->Useqq(1);
		320	#$d->Bless(...);
		321	$d->Seen($_[1]) if @_ > 1;
		322	$d = $d->Dump();
		323	}
		324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		325	$d
		326	} || "[unable to dump $_[0]: '$@']";
		327	}
		328
164	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
165		330
166	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
167		332
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
176		334
177	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
178		336
179	=cut	337	=cut
180		338
181	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
183	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
184	}	356	}
		357
		358	=item cf::lock_wait $string
		359
		360	Wait until the given lock is available. See cf::lock_acquire.
		361
		362	=item my $lock = cf::lock_acquire $string
		363
		364	Wait until the given lock is available and then acquires it and returns
		365	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
		366	for example when the coroutine gets canceled), the lock is automatically
		367	returned.
		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
		372	Lock names should begin with a unique identifier (for example, cf::map::find
		373	uses map_find and cf::map::load uses map_load).
		374
		375	=item $locked = cf::lock_active $string
		376
		377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
		382
		383	sub lock_wait($) {
		384	$LOCKS->wait ($_[0]);
		385	}
		386
		387	sub lock_acquire($) {
		388	$LOCKS->guard ($_[0])
		389	}
		390
		391	sub lock_active($) {
		392	$LOCKS->count ($_[0]) < 1
		393	}
		394
		395	sub freeze_mainloop {
		396	tick_inhibit_inc;
		397
		398	&Guard::guard (\&tick_inhibit_dec);
		399	}
		400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
		481	}
		482
		483	=item cf::async { BLOCK }
		484
		485	Currently the same as Coro::async_pool, meaning you cannot use
		486	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		487	thing you are allowed to do is call C<prio> on it.
		488
		489	=cut
		490
		491	BEGIN { *async = \&Coro::async_pool }
185		492
186	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
187		494
188	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
191		499
192	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
195	fast or be very important.	503	fast or be very important.
…		…
198		506
199	sub sync_job(&) {	507	sub sync_job(&) {
200	my ($job) = @_;	508	my ($job) = @_;
201		509
202	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
203	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
205		515
206	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
207	# (but this is cancel-safe)	517
208	local $FREEZE = 1;	518	my $freeze_guard = freeze_mainloop;
209		519
210	my $busy = 1;	520	my $busy = 1;
211	my @res;	521	my @res;
212		522
213	(Coro::async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
214	@res = eval { $job->() };	525	@res = eval { $job->() };
215	warn $@ if $@;	526	warn $@ if $@;
216	undef $busy;	527	undef $busy;
217	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
218		529
219	while ($busy) {	530	while ($busy) {
		531	if (Coro::nready) {
220	Coro::cede_notself;	532	Coro::cede_notself;
221	Event::one_event unless Coro::nready;	533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
222	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
223		541
224	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
225	} else {	543	} else {
226	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
227		545
228	$job->()	546	$job->()
229	}	547	}
230	}	548	}
231		549
232	=item $coro = cf::coro { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
233		551
234	Creates and returns a new coro. This coro is automcatially being canceled	552	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	553	extension calling this is being unloaded.
236		554
237	=cut	555	=cut
238		556
239	sub coro(&) {	557	sub async_ext(&) {
240	my $cb = shift;	558	my $cb = shift;
241		559
242	my $coro; $coro = async {	560	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		561
249	$coro->on_destroy (sub {	562	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	563	delete $EXT_CORO{$coro+0};
251	});	564	});
252	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
253		566
254	$coro	567	$coro
255	}	568	}
256		569
257	sub write_runtime {	570	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		571
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
261	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
262		576
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		578
267	aio_fsync $fh	579	sub fork_call(&@) {
268	and return;	580	my ($cb, @args) = @_;
269		581
270	close $fh	582	# we seemingly have to make a local copy of the whole thing,
271	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
272		585
273	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
274	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
275		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
276	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
277	}	768	}
278		769
279	=back	770	=back
280		771
281	=cut	772	=cut
282		773
283	#############################################################################	774	#############################################################################
284		775
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402
403	#############################################################################
404
405	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
406		777
407	Many objects in crossfire are so-called attachable objects. That means you can	778	Many objects in deliantra are so-called attachable objects. That means you can
408	attach callbacks/event handlers (a collection of which is called an "attachment")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
409	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
410		781
411	In the following description, CLASS can be any of C<global>, C<object>	782	In the following description, CLASS can be any of C<global>, C<object>
412	C<player>, C<client> or C<map> (i.e. the attachable objects in	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
413	crossfire+).	784	Deliantra).
414		785
415	=over 4	786	=over 4
416		787
417	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
418		789
…		…
462	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
463		834
464	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
465	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
466		837
467	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
468	that are attached at load/instantiate time, thus the need for a name.	839	that are attached at load/instantiate time, thus the need for a name.
469		840
470	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
471		842
472	=over 4	843	=over 4
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	904	our @CB_MAP = ();
534		905
535	my %attachment;	906	my %attachment;
536		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
537	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
539		916
540	use sort 'stable';	917	use sort 'stable';
541		918
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
576		953
577	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		958
582	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	960	my $pkg = shift @arg;
584		961
585	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
614	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
615	}	992	}
616		993
617	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
618	} else {	995	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
620	}	997	}
621		998
622	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
623	}	1000	}
624		1001
…		…
626	if (ref $_[0]) {	1003	if (ref $_[0]) {
627	_object_attach @_;	1004	_object_attach @_;
628	} else {	1005	} else {
629	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
630	}	1007	}
		1008	_recalc_want;
631	};	1009	};
632		1010
633	# all those should be optimised	1011	# all those should be optimised
634	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
639	reattach ($obj);	1017	reattach ($obj);
640	} else {	1018	} else {
641	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
642	}	1020	}
		1021	_recalc_want;
643	};	1022	};
644		1023
645	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
647		1026
…		…
662	";	1041	";
663	die if $@;	1042	die if $@;
664	}	1043	}
665		1044
666	our $override;	1045	our $override;
667	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
668		1047
669	sub override {	1048	sub override {
670	$override = 1;	1049	$override = 1;
671	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
672	}	1051	}
673		1052
674	sub do_invoke {	1053	sub do_invoke {
675	my $event = shift;	1054	my $event = shift;
676	my $callbacks = shift;	1055	my $callbacks = shift;
677		1056
678	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
679		1058
680	local $override;	1059	local $override;
681		1060
682	for (@$callbacks) {	1061	for (@$callbacks) {
683	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
692	}	1071	}
693		1072
694	0	1073	0
695	}	1074	}
696		1075
697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
698		1077
699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
700		1079
701	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
702		1081
703	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
704	removed in future versions), and there is no public API to access override	1083	removed in future versions), and there is no public API to access override
705	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
706		1085
707	=back	1086	=back
708		1087
709	=cut	1088	=cut
710		1089
711	#############################################################################	1090	#############################################################################
712	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
713		1134
714	sub reattach {	1135	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1141
718	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
719		1143
720	@$registry = ();	1144	@$registry = ();
721		1145
…		…
736	cf::attachable->attach (	1160	cf::attachable->attach (
737	prio => -1000000,	1161	prio => -1000000,
738	on_instantiate => sub {	1162	on_instantiate => sub {
739	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
740		1164
741	$data = from_json $data;	1165	$data = decode_json $data;
742		1166
743	for (@$data) {	1167	for (@$data) {
744	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
745		1169
746	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1186	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
764		1188
765	sync_job {	1189	sync_job {
766	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
769		1194
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;
773	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
774	close $fh;	1202	aio_close $fh;
775		1203
776	if (@$objs) {	1204	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;
781	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
782	close $fh;	1213	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
784	}	1215	}
785	} else {	1216	} else {
786	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
787	}	1218	}
788		1219
789	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1224	} else {
791	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
792	}	1226	}
793	} else {	1227	} else {
794	aio_unlink $filename;	1228	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
796	}	1230	}
797	}	1231	};
798	}	1232	}
799		1233
800	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
802		1236
…		…
814	or return;	1248	or return;
815		1249
816	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
818	or return;	1252	or return;
		1253
819	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
820	}	1256	}
821		1257
		1258	utf8::decode (my $decname = $filename);
		1259	warn sprintf "loading %s (%d,%d)\n",
		1260	$decname, length $data, scalar @{$av || []};
		1261
822	return ($data, $av);	1262	($data, $av)
823	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
824		1270
825	#############################################################################	1271	#############################################################################
826	# command handling &c	1272	# command handling &c
827		1273
828	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1288	}
843		1289
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1291
846	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
847		1297
848	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
849	called.	1299	called.
850		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
851	=cut	1312	=cut
852		1313
853	sub register_extcmd {	1314	sub register_extcmd {
854	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
855		1316
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
860	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
861		1327
862	cf::player->attach (	1328	cf::player->attach (
863	on_command => sub {	1329	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
865		1331
866	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
867	or return;	1333	or return;
868		1334
…		…
873	cf::override;	1339	cf::override;
874	},	1340	},
875	on_extcmd => sub {	1341	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
877		1343
878	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1345
880	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
886	} else {	1361	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1363	}
889		1364
890	cf::override;	1365	cf::override;
891	},	1366	},
892	);	1367	);
893		1368
894	sub register {	1369	# "readahead" all extensions
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	1370	sub cache_extensions {
901	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
902		1372
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
904	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
905	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
906	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";
908
909	warn "loading '$path' into '$pkg'\n";
910
911	open my $fh, "<:utf8", $path
912	or die "$path: $!";
913
914	my $source =
915	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })
918	. "\n};\n1";
919
920	eval $source
921	or die $@ ? "$path: $@\n"
922	: "extension disabled.\n";
923
924	push @exts, $pkg;
925	$ext_pkg{$base} = $pkg;
926
927	# no strict 'refs';
928	# @{"$pkg\::ISA"} = ext::;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }
943
944	# remove commands
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}	1376	}
953	}	1377	};
954		1378
955	# remove extcmds	1379	$grp
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	1380	}
969		1381
970	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
971	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	1387	next unless -r $path;
973	eval {	1388
974	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441	} else {
		1442	$done{$k} = delete $todo{$k};
		1443	push @EXTS, $v->{pkg};
		1444	$progress = 1;
		1445
		1446	warn "$v->{base}: extension inactive.\n"
		1447	unless $active;
		1448	}
975	1	1449	}
976	} or warn "$ext not loaded: $@";	1450
		1451	unless ($progress) {
		1452	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1453
		1454	while (my ($k, $v) = each %todo) {
		1455	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1456	if exists $v->{meta}{mandatory};
		1457	}
		1458	}
		1459	}
977	}	1460	};
978	}	1461	}
979		1462
980	#############################################################################	1463	#############################################################################
981	# load/save/clean perl data associated with a map
982		1464
983	*cf::mapsupport::on_clean = sub {	1465	=back
		1466
		1467	=head2 CORE EXTENSIONS
		1468
		1469	Functions and methods that extend core deliantra objects.
		1470
		1471	=cut
		1472
		1473	package cf::player;
		1474
		1475	use Coro::AIO;
		1476
		1477	=head3 cf::player
		1478
		1479	=over 4
		1480
		1481	=item cf::player::num_playing
		1482
		1483	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1484
		1485	=cut
		1486
		1487	sub num_playing {
		1488	scalar grep
		1489	$_->ob->map
		1490	&& !$_->hidden
		1491	&& !$_->ob->flag (cf::FLAG_WIZ),
		1492	cf::player::list
		1493	}
		1494
		1495	=item cf::player::find $login
		1496
		1497	Returns the given player object, loading it if necessary (might block).
		1498
		1499	=cut
		1500
		1501	sub playerdir($) {
		1502	"$PLAYERDIR/"
		1503	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1504	}
		1505
		1506	sub path($) {
		1507	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1508
		1509	(playerdir $login) . "/playerdata"
		1510	}
		1511
		1512	sub find_active($) {
		1513	$cf::PLAYER{$_[0]}
		1514	and $cf::PLAYER{$_[0]}->active
		1515	and $cf::PLAYER{$_[0]}
		1516	}
		1517
		1518	sub exists($) {
984	my ($map) = @_;	1519	my ($login) = @_;
985		1520
986	my $path = $map->tmpname;	1521	$cf::PLAYER{$login}
987	defined $path or return;	1522	or !aio_stat path $login
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}	1523	}
1000		1524
1001	# TODO: compatibility cruft, remove when no longer needed	1525	sub find($) {
		1526	return $cf::PLAYER{$_[0]} || do {
		1527	my $login = $_[0];
		1528
		1529	my $guard = cf::lock_acquire "user_find:$login";
		1530
		1531	$cf::PLAYER{$_[0]} || do {
		1532	# rename old playerfiles to new ones
		1533	#TODO: remove when no longer required
		1534	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1535	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1536	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1537	aio_unlink +(playerdir $login) . "/$login.pl";
		1538
		1539	my $f = new_from_file cf::object::thawer path $login
		1540	or return;
		1541
		1542	my $pl = cf::player::load_pl $f
		1543	or return;
		1544
		1545	local $cf::PLAYER_LOADING{$login} = $pl;
		1546	$f->resolve_delayed_derefs;
		1547	$cf::PLAYER{$login} = $pl
		1548	}
		1549	}
		1550	}
		1551
1002	cf::player->attach (	1552	cf::player->attach (
1003	on_load => sub {	1553	on_load => sub {
1004	my ($pl, $path) = @_;	1554	my ($pl, $path) = @_;
1005		1555
1006	for my $o (all_objects $pl->ob) {	1556	# restore slots saved in save, below
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1557	my $slots = delete $pl->{_slots};
1008	$o->set_ob_key_value ("_perl_data");
1009		1558
1010	%$o = %{ Storable::thaw pack "H*", $value };	1559	$pl->ob->current_weapon ($slots->[0]);
1011	}	1560	$pl->combat_ob ($slots->[1]);
1012	}	1561	$pl->ranged_ob ($slots->[2]);
1013	},	1562	},
1014	);	1563	);
1015		1564
1016	#############################################################################	1565	sub save($) {
		1566	my ($pl) = @_;
1017		1567
1018	=head2 CORE EXTENSIONS	1568	return if $pl->{deny_save};
1019		1569
1020	Functions and methods that extend core crossfire objects.	1570	my $path = path $pl;
		1571	my $guard = cf::lock_acquire "user_save:$path";
1021		1572
1022	=head3 cf::player	1573	return if $pl->{deny_save};
		1574
		1575	aio_mkdir playerdir $pl, 0770;
		1576	$pl->{last_save} = $cf::RUNTIME;
		1577
		1578	cf::get_slot 0.01;
		1579
		1580	# save slots, to be restored later
		1581	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1582
		1583	$pl->save_pl ($path);
		1584	cf::cede_to_tick;
		1585	}
		1586
		1587	sub new($) {
		1588	my ($login) = @_;
		1589
		1590	my $self = create;
		1591
		1592	$self->ob->name ($login);
		1593	$self->{deny_save} = 1;
		1594
		1595	$cf::PLAYER{$login} = $self;
		1596
		1597	$self
		1598	}
		1599
		1600	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1601
		1602	=cut
		1603
		1604	sub send_msg {
		1605	my $ns = shift->ns
		1606	or return;
		1607	$ns->send_msg (@_);
		1608	}
		1609
		1610	=item $pl->quit_character
		1611
		1612	Nukes the player without looking back. If logged in, the connection will
		1613	be destroyed. May block for a long time.
		1614
		1615	=cut
		1616
		1617	sub quit_character {
		1618	my ($pl) = @_;
		1619
		1620	my $name = $pl->ob->name;
		1621
		1622	$pl->{deny_save} = 1;
		1623	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1624
		1625	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1626	$pl->deactivate;
		1627	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1628	$pl->ob->check_score;
		1629	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1630	$pl->ns->destroy if $pl->ns;
		1631
		1632	my $path = playerdir $pl;
		1633	my $temp = "$path~$cf::RUNTIME~deleting~";
		1634	aio_rename $path, $temp;
		1635	delete $cf::PLAYER{$pl->ob->name};
		1636	$pl->destroy;
		1637
		1638	my $prefix = qr<^~\Q$name\E/>;
		1639
		1640	# nuke player maps
		1641	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1642
		1643	IO::AIO::aio_rmtree $temp;
		1644	}
		1645
		1646	=item $pl->kick
		1647
		1648	Kicks a player out of the game. This destroys the connection.
		1649
		1650	=cut
		1651
		1652	sub kick {
		1653	my ($pl, $kicker) = @_;
		1654
		1655	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1656	$pl->killer ("kicked");
		1657	$pl->ns->destroy;
		1658	}
		1659
		1660	=item cf::player::list_logins
		1661
		1662	Returns am arrayref of all valid playernames in the system, can take a
		1663	while and may block, so not sync_job-capable, ever.
		1664
		1665	=cut
		1666
		1667	sub list_logins {
		1668	my $dirs = aio_readdir $PLAYERDIR
		1669	or return [];
		1670
		1671	my @logins;
		1672
		1673	for my $login (@$dirs) {
		1674	my $path = path $login;
		1675
		1676	# a .pst is a dead give-away for a valid player
		1677	# if no pst file found, open and chekc for blocked users
		1678	if (aio_stat "$path.pst") {
		1679	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1680	aio_read $fh, 0, 512, my $buf, 0 or next;
		1681	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1682	}
		1683
		1684	utf8::decode $login;
		1685	push @logins, $login;
		1686	}
		1687
		1688	\@logins
		1689	}
		1690
		1691	=item $player->maps
		1692
		1693	Returns an arrayref of map paths that are private for this
		1694	player. May block.
		1695
		1696	=cut
		1697
		1698	sub maps($) {
		1699	my ($pl) = @_;
		1700
		1701	$pl = ref $pl ? $pl->ob->name : $pl;
		1702
		1703	my $files = aio_readdir playerdir $pl
		1704	or return;
		1705
		1706	my @paths;
		1707
		1708	for (@$files) {
		1709	utf8::decode $_;
		1710	next if /\.(?:pl|pst)$/;
		1711	next unless /^$PATH_SEP/o;
		1712
		1713	push @paths, cf::map::normalise "~$pl/$_";
		1714	}
		1715
		1716	\@paths
		1717	}
		1718
		1719	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1720
		1721	Expand deliantra pod fragments into protocol xml.
		1722
		1723	=item $player->ext_reply ($msgid, @msg)
		1724
		1725	Sends an ext reply to the player.
		1726
		1727	=cut
		1728
		1729	sub ext_reply($$@) {
		1730	my ($self, $id, @msg) = @_;
		1731
		1732	$self->ns->ext_reply ($id, @msg)
		1733	}
		1734
		1735	=item $player->ext_msg ($type, @msg)
		1736
		1737	Sends an ext event to the client.
		1738
		1739	=cut
		1740
		1741	sub ext_msg($$@) {
		1742	my ($self, $type, @msg) = @_;
		1743
		1744	$self->ns->ext_msg ($type, @msg);
		1745	}
		1746
		1747	=head3 cf::region
1023		1748
1024	=over 4	1749	=over 4
1025		1750
1026	=item cf::player::exists $login
1027
1028	Returns true when the given account exists.
1029
1030	=cut	1751	=cut
1031		1752
1032	sub cf::player::exists($) {	1753	package cf::region;
1033	cf::player::find $_[0]
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1035	}
1036		1754
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1755	=item cf::region::find_by_path $path
1038		1756
1039	Sends an ext reply to the player.	1757	Tries to decuce the likely region for a map knowing only its path.
1040		1758
1041	=cut	1759	=cut
1042		1760
1043	sub cf::player::ext_reply($$$%) {	1761	sub find_by_path($) {
1044	my ($self, $id, %msg) = @_;	1762	my ($path) = @_;
1045		1763
1046	$msg{msgid} = $id;	1764	my ($match, $specificity);
1047		1765
1048	$self->send ("ext " . to_json \%msg);	1766	for my $region (list) {
		1767	if ($region->{match} && $path =~ $region->{match}) {
		1768	($match, $specificity) = ($region, $region->specificity)
		1769	if $region->specificity > $specificity;
		1770	}
		1771	}
		1772
		1773	$match
1049	}	1774	}
1050		1775
1051	=back	1776	=back
1052
1053		1777
1054	=head3 cf::map	1778	=head3 cf::map
1055		1779
1056	=over 4	1780	=over 4
1057		1781
…		…
1060	package cf::map;	1784	package cf::map;
1061		1785
1062	use Fcntl;	1786	use Fcntl;
1063	use Coro::AIO;	1787	use Coro::AIO;
1064		1788
		1789	use overload
		1790	'""' => \&as_string,
		1791	fallback => 1;
		1792
1065	our $MAX_RESET = 7200;	1793	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1794	our $DEFAULT_RESET = 3000;
1067		1795
1068	sub generate_random_map {	1796	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1797	my ($self, $rmp) = @_;
		1798
		1799	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1070		1800
1071	# mit "rum" bekleckern, nicht	1801	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1802	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1803	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1804	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1805	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1806	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1807	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1808	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1809	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1810	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1811	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1812	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1813	(cf::region::find $rmp->{region}), $rmp->{custom}
		1814	)
1085	}	1815	}
1086		1816
1087	# and all this just because we cannot iterate over	1817	=item cf::map->register ($regex, $prio)
1088	# all maps in C++...
1089	sub change_all_map_light {
1090	my ($change) = @_;
1091		1818
1092	$_->change_map_light ($change) for values %cf::MAP;	1819	Register a handler for the map path matching the given regex at the
1093	}	1820	givne priority (higher is better, built-in handlers have priority 0, the
		1821	default).
1094		1822
1095	sub try_load_header($) {	1823	=cut
		1824
		1825	sub register {
		1826	my (undef, $regex, $prio) = @_;
		1827	my $pkg = caller;
		1828
		1829	no strict;
		1830	push @{"$pkg\::ISA"}, __PACKAGE__;
		1831
		1832	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1833	}
		1834
		1835	# also paths starting with '/'
		1836	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1837
		1838	sub thawer_merge {
		1839	my ($self, $merge) = @_;
		1840
		1841	# we have to keep some variables in memory intact
		1842	local $self->{path};
		1843	local $self->{load_path};
		1844
		1845	$self->SUPER::thawer_merge ($merge);
		1846	}
		1847
		1848	sub normalise {
1096	my ($path) = @_;	1849	my ($path, $base) = @_;
		1850
		1851	$path = "$path"; # make sure its a string
		1852
		1853	$path =~ s/\.map$//;
		1854
		1855	# map plan:
		1856	#
		1857	# /! non-realised random map exit (special hack!)
		1858	# {... are special paths that are not being touched
		1859	# ?xxx/... are special absolute paths
		1860	# ?random/... random maps
		1861	# /... normal maps
		1862	# ~user/... per-player map of a specific user
		1863
		1864	$path =~ s/$PATH_SEP/\//go;
		1865
		1866	# treat it as relative path if it starts with
		1867	# something that looks reasonable
		1868	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1869	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1870
		1871	$base =~ s{[^/]+/?$}{};
		1872	$path = "$base/$path";
		1873	}
		1874
		1875	for ($path) {
		1876	redo if s{//}{/};
		1877	redo if s{/\.?/}{/};
		1878	redo if s{/[^/]+/\.\./}{/};
		1879	}
		1880
		1881	$path
		1882	}
		1883
		1884	sub new_from_path {
		1885	my (undef, $path, $base) = @_;
		1886
		1887	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1888
		1889	$path = normalise $path, $base;
		1890
		1891	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1892	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1893	my $self = bless cf::map::new, $pkg;
		1894	$self->{path} = $path; $self->path ($path);
		1895	$self->init; # pass $1 etc.
		1896	return $self;
		1897	}
		1898	}
		1899
		1900	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1901	()
		1902	}
		1903
		1904	sub init {
		1905	my ($self) = @_;
		1906
		1907	$self
		1908	}
		1909
		1910	sub as_string {
		1911	my ($self) = @_;
		1912
		1913	"$self->{path}"
		1914	}
		1915
		1916	# the displayed name, this is a one way mapping
		1917	sub visible_name {
		1918	&as_string
		1919	}
		1920
		1921	# the original (read-only) location
		1922	sub load_path {
		1923	my ($self) = @_;
		1924
		1925	"$MAPDIR/$self->{path}.map"
		1926	}
		1927
		1928	# the temporary/swap location
		1929	sub save_path {
		1930	my ($self) = @_;
		1931
		1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$TMPDIR/$path.map"
		1934	}
		1935
		1936	# the unique path, undef == no special unique path
		1937	sub uniq_path {
		1938	my ($self) = @_;
		1939
		1940	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1941	"$UNIQUEDIR/$path"
		1942	}
		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
		1952	sub unlink_save {
		1953	my ($self) = @_;
		1954
		1955	utf8::encode (my $save = $self->save_path);
		1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1958	}
		1959
		1960	sub load_header_from($) {
		1961	my ($self, $path) = @_;
1097		1962
1098	utf8::encode $path;	1963	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1100	or return;	1965	or return;
1101		1966
1102	my $map = cf::map::new	1967	$self->_load_header ($f)
1103	or return;	1968	or return;
1104		1969
1105	$map->load_header ($path)	1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
		1973	$self->{load_path} = $path;
		1974
		1975	1
		1976	}
		1977
		1978	sub load_header_orig {
		1979	my ($self) = @_;
		1980
		1981	$self->load_header_from ($self->load_path)
		1982	}
		1983
		1984	sub load_header_temp {
		1985	my ($self) = @_;
		1986
		1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
		2007	}
		2008
		2009	sub load_header {
		2010	my ($self) = @_;
		2011
		2012	if ($self->load_header_temp) {
		2013	$self->prepare_temp;
		2014	} else {
		2015	$self->load_header_orig
1106	or return;	2016	or return;
		2017	$self->prepare_orig;
		2018	}
1107		2019
1108	$map->{load_path} = $path;	2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
1109		2022
1110	$map	2023	$self->default_region (cf::region::find_by_path $self->{path})
1111	}	2024	unless $self->default_region;
1112		2025
		2026	1
		2027	}
		2028
		2029	sub find;
1113	sub find_map {	2030	sub find {
1114	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1115		2032
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		2034
		2035	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
		2036	my $guard2 = cf::lock_acquire "map_find:$path";
		2037
1121	$cf::MAP{$key} || do {	2038	$cf::MAP{$path} || do {
1122	# do it the slow way	2039	my $map = new_from_path cf::map $path
1123	my $map = try_load_header $path->save_path;
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	2040	or return;
1137		2041
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	2042	$map->{last_save} = $cf::RUNTIME;
1149		2043
1150	if ($map->should_reset) {	2044	$map->load_header
		2045	or return;
		2046
		2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2048	# doing this can freeze the server in a sync job, obviously
		2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard2;
		2051	undef $guard1;
1151	$map->reset;	2052	$map->reset;
1152	$map = find_map $path;	2053	return find $path;
1153	}	2054	}
1154		2055
1155	$cf::MAP{$key} = $map	2056	$cf::MAP{$path} = $map
1156	}	2057	}
1157	}	2058	}
		2059
		2060	sub pre_load { }
		2061	#sub post_load { } # XS
1158		2062
1159	sub load {	2063	sub load {
1160	my ($self) = @_;	2064	my ($self) = @_;
1161		2065
1162	return if $self->in_memory != cf::MAP_SWAPPED;	2066	local $self->{deny_reset} = 1; # loading can take a long time
1163
1164	$self->in_memory (cf::MAP_LOADING);
1165		2067
1166	my $path = $self->{path};	2068	my $path = $self->{path};
1167		2069
		2070	{
		2071	my $guard = cf::lock_acquire "map_data:$path";
		2072
		2073	return unless $self->valid;
		2074	return unless $self->in_memory == cf::MAP_SWAPPED;
		2075
		2076	$self->in_memory (cf::MAP_LOADING);
		2077
1168	$self->alloc;	2078	$self->alloc;
1169	$self->load_objects ($self->{load_path}, 1)	2079
		2080	$self->pre_load;
		2081	cf::cede_to_tick;
		2082
		2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1170	or return;	2086	or return;
1171		2087
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->post_load_original
1173	if delete $self->{load_original};	2089	if delete $self->{load_original};
1174		2090
1175	if (my $uniq = $path->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	2092	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1178	$self->clear_unique_items;	2095	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1180	}	2099	}
1181	}	2100	}
1182		2101
		2102	$f->resolve_delayed_derefs;
		2103
		2104	cf::cede_to_tick;
1183	# now do the right thing for maps	2105	# now do the right thing for maps
1184	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1185
1186	if ($self->{path}->is_style_map) {
1187	$self->{deny_save} = 1;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;
1193	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	2108	unless $self->difficulty;
		2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
1196	$self->activate;	2116	$self->activate;
1197	}	2117	}
1198		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
1199	$self->in_memory (cf::MAP_IN_MEMORY);	2122	$self->in_memory (cf::MAP_ACTIVE);
1200	}	2123	}
1201		2124
1202	sub load_map_sync {	2125	$self->post_load;
		2126	}
		2127
		2128	# customize the map for a given player, i.e.
		2129	# return the _real_ map. used by e.g. per-player
		2130	# maps to change the path to ~playername/mappath
		2131	sub customise_for {
		2132	my ($self, $ob) = @_;
		2133
		2134	return find "~" . $ob->name . "/" . $self->{path}
		2135	if $self->per_player;
		2136
		2137	# return find "?party/" . $ob->name . "/" . $self->{path}
		2138	# if $self->per_party;
		2139
		2140	$self
		2141	}
		2142
		2143	# find and load all maps in the 3x3 area around a map
		2144	sub load_neighbours {
		2145	my ($map) = @_;
		2146
		2147	my @neigh; # diagonal neighbours
		2148
		2149	for (0 .. 3) {
		2150	my $neigh = $map->tile_path ($_)
		2151	or next;
		2152	$neigh = find $neigh, $map
		2153	or next;
		2154	$neigh->load;
		2155
		2156	push @neigh,
		2157	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2158	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2159	}
		2160
		2161	for (grep defined $_->[0], @neigh) {
		2162	my ($path, $origin) = @$_;
		2163	my $neigh = find $path, $origin
		2164	or next;
		2165	$neigh->load;
		2166	}
		2167	}
		2168
		2169	sub find_sync {
1203	my ($path, $origin) = @_;	2170	my ($path, $origin) = @_;
1204		2171
1205	#warn "load_map_sync<$path, $origin>\n";#d#	2172	cf::sync_job { find $path, $origin }
		2173	}
1206		2174
1207	cf::sync_job {	2175	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	2176	my ($map) = @_;
1209	or return;	2177
1210	$map->load;	2178	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1211	$map	2179	if $Coro::current == $Coro::main;
		2180
		2181	cf::sync_job { $map->load };
		2182	}
		2183
		2184	our %MAP_PREFETCH;
		2185	our $MAP_PREFETCHER = undef;
		2186
		2187	sub find_async {
		2188	my ($path, $origin, $load) = @_;
		2189
		2190	$path = normalise $path, $origin && $origin->{path};
		2191
		2192	if (my $map = $cf::MAP{$path}) {
		2193	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2194	}
		2195
		2196	$MAP_PREFETCH{$path} |= $load;
		2197
		2198	$MAP_PREFETCHER ||= cf::async {
		2199	$Coro::current->{desc} = "map prefetcher";
		2200
		2201	while (%MAP_PREFETCH) {
		2202	while (my ($k, $v) = each %MAP_PREFETCH) {
		2203	if (my $map = find $k) {
		2204	$map->load if $v;
		2205	}
		2206
		2207	delete $MAP_PREFETCH{$k};
		2208	}
		2209	}
		2210	undef $MAP_PREFETCHER;
1212	}	2211	};
		2212	$MAP_PREFETCHER->prio (6);
		2213
		2214	()
1213	}	2215	}
1214		2216
1215	sub save {	2217	sub save {
1216	my ($self) = @_;	2218	my ($self) = @_;
1217		2219
1218	my $save = $self->{path}->save_path; utf8::encode $save;	2220	my $lock = cf::lock_acquire "map_data:$self->{path}";
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		2221
1221	$self->{last_save} = $cf::RUNTIME;	2222	$self->{last_save} = $cf::RUNTIME;
1222		2223
1223	return unless $self->dirty;	2224	return unless $self->dirty;
1224		2225
		2226	my $save = $self->save_path; utf8::encode $save;
		2227	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2228
1225	$self->{load_path} = $save;	2229	$self->{load_path} = $save;
1226		2230
1227	return if $self->{deny_save};	2231	return if $self->{deny_save};
1228		2232
		2233	local $self->{last_access} = $self->last_access;#d#
		2234
		2235	cf::async {
		2236	$Coro::current->{desc} = "map player save";
		2237	$_->contr->save for $self->players;
		2238	};
		2239
		2240	cf::get_slot 0.02;
		2241
1229	if ($uniq) {	2242	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	2244	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	2245	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	2247	}
1235	}	2248	}
1236		2249
1237	sub swap_out {	2250	sub swap_out {
1238	my ($self) = @_;	2251	my ($self) = @_;
1239		2252
		2253	# save first because save cedes
		2254	$self->save;
		2255
		2256	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2257
1240	return if $self->players;	2258	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	2259	return if $self->in_memory != cf::MAP_ACTIVE;
1242	return if $self->{deny_save};	2260	return if $self->{deny_save};
1243		2261
		2262	$self->in_memory (cf::MAP_SWAPPED);
		2263
1244	$self->save;	2264	$self->deactivate;
		2265	$_->clear_links_to ($self) for values %cf::MAP;
1245	$self->clear;	2266	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);
1247	}	2267	}
1248		2268
1249	sub reset_at {	2269	sub reset_at {
1250	my ($self) = @_;	2270	my ($self) = @_;
1251		2271
1252	# TODO: safety, remove and allow resettable per-player maps	2272	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};
1254	return 1e99 if $self->{deny_reset};	2273	return 1e99 if $self->{deny_reset};
1255		2274
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2275	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2276	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		2277
…		…
1263	my ($self) = @_;	2282	my ($self) = @_;
1264		2283
1265	$self->reset_at <= $cf::RUNTIME	2284	$self->reset_at <= $cf::RUNTIME
1266	}	2285	}
1267		2286
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	2287	sub reset {
1290	my ($self) = @_;	2288	my ($self) = @_;
1291		2289
		2290	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2291
1292	return if $self->players;	2292	return if $self->players;
1293	return if $self->{path}{user_rel};#d#
1294		2293
1295	warn "resetting map ", $self->path;#d#	2294	warn "resetting map ", $self->path, "\n";
		2295
		2296	$self->in_memory (cf::MAP_SWAPPED);
		2297
		2298	# need to save uniques path
		2299	unless ($self->{deny_save}) {
		2300	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2301
		2302	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2303	if $uniq;
		2304	}
1296		2305
1297	delete $cf::MAP{$self->path};	2306	delete $cf::MAP{$self->path};
1298		2307
		2308	$self->deactivate;
1299	$_->clear_links_to ($self) for values %cf::MAP;	2309	$_->clear_links_to ($self) for values %cf::MAP;
		2310	$self->clear;
1300		2311
1301	$self->unlink_save;	2312	$self->unlink_save;
1302	$self->destroy;	2313	$self->destroy;
1303	}	2314	}
1304		2315
1305	my $nuke_counter = "aaaa";	2316	my $nuke_counter = "aaaa";
1306		2317
1307	sub nuke {	2318	sub nuke {
1308	my ($self) = @_;	2319	my ($self) = @_;
1309		2320
		2321	{
		2322	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2323
		2324	delete $cf::MAP{$self->path};
		2325
		2326	$self->unlink_save;
		2327
		2328	bless $self, "cf::map";
		2329	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	2330	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	2331	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	2332	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2333
		2334	$cf::MAP{$self->path} = $self;
		2335	}
		2336
1313	$self->reset; # polite request, might not happen	2337	$self->reset; # polite request, might not happen
1314	}	2338	}
1315		2339
1316	sub customise_for {	2340	=item $maps = cf::map::tmp_maps
1317	my ($map, $ob) = @_;
1318		2341
1319	if ($map->per_player) {	2342	Returns an arrayref with all map paths of currently instantiated and saved
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2343	maps. May block.
		2344
		2345	=cut
		2346
		2347	sub tmp_maps() {
1321	}	2348	[
1322		2349	map {
1323	$map	2350	utf8::decode $_;
		2351	/\.map$/
		2352	? normalise $_
		2353	: ()
		2354	} @{ aio_readdir $TMPDIR or [] }
		2355	]
1324	}	2356	}
1325		2357
1326	sub emergency_save {	2358	=item $maps = cf::map::random_maps
1327	local $cf::FREEZE = 1;
1328		2359
1329	warn "enter emergency map save\n";	2360	Returns an arrayref with all map paths of currently instantiated and saved
		2361	random maps. May block.
1330		2362
1331	cf::sync_job {	2363	=cut
1332	warn "begin emergency map save\n";	2364
1333	$_->save for values %cf::MAP;	2365	sub random_maps() {
		2366	[
		2367	map {
		2368	utf8::decode $_;
		2369	/\.map$/
		2370	? normalise "?random/$_"
		2371	: ()
		2372	} @{ aio_readdir $RANDOMDIR or [] }
		2373	]
		2374	}
		2375
		2376	=item cf::map::unique_maps
		2377
		2378	Returns an arrayref of paths of all shared maps that have
		2379	instantiated unique items. May block.
		2380
		2381	=cut
		2382
		2383	sub unique_maps() {
		2384	[
		2385	map {
		2386	utf8::decode $_;
		2387	s/\.map$//; # TODO future compatibility hack
		2388	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2389	? ()
		2390	: normalise $_
		2391	} @{ aio_readdir $UNIQUEDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item cf::map::static_maps
		2396
		2397	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2398	file in the shared directory excluding F</styles> and F</editor>). May
		2399	block.
		2400
		2401	=cut
		2402
		2403	sub static_maps() {
		2404	my @dirs = "";
		2405	my @maps;
		2406
		2407	while (@dirs) {
		2408	my $dir = shift @dirs;
		2409
		2410	next if $dir eq "/styles" || $dir eq "/editor";
		2411
		2412	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2413	or return;
		2414
		2415	for (@$files) {
		2416	s/\.map$// or next;
		2417	utf8::decode $_;
		2418	push @maps, "$dir/$_";
		2419	}
		2420
		2421	push @dirs, map "$dir/$_", @$dirs;
1334	};	2422	}
1335		2423
1336	warn "end emergency map save\n";	2424	\@maps
		2425	}
		2426
		2427	=back
		2428
		2429	=head3 cf::object
		2430
		2431	=cut
		2432
		2433	package cf::object;
		2434
		2435	=over 4
		2436
		2437	=item $ob->inv_recursive
		2438
		2439	Returns the inventory of the object I<and> their inventories, recursively,
		2440	but I<not> the object itself.
		2441
		2442	=cut
		2443
		2444	sub inv_recursive_;
		2445	sub inv_recursive_ {
		2446	map { $_, inv_recursive_ $_->inv } @_
		2447	}
		2448
		2449	sub inv_recursive {
		2450	inv_recursive_ inv $_[0]
		2451	}
		2452
		2453	=item $ref = $ob->ref
		2454
		2455	Creates and returns a persistent reference to an object that can be stored as a string.
		2456
		2457	=item $ob = cf::object::deref ($refstring)
		2458
		2459	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2460	even if the object actually exists. May block.
		2461
		2462	=cut
		2463
		2464	sub deref {
		2465	my ($ref) = @_;
		2466
		2467	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2468	my ($uuid, $name) = ($1, $2);
		2469	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2470	or return;
		2471	$pl->ob->uuid eq $uuid
		2472	or return;
		2473
		2474	$pl->ob
		2475	} else {
		2476	warn "$ref: cannot resolve object reference\n";
		2477	undef
		2478	}
1337	}	2479	}
1338		2480
1339	package cf;	2481	package cf;
1340		2482
1341	=back	2483	=back
1342
1343		2484
1344	=head3 cf::object::player	2485	=head3 cf::object::player
1345		2486
1346	=over 4	2487	=over 4
1347		2488
…		…
1350	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2491	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1351	can be C<undef>. Does the right thing when the player is currently in a	2492	can be C<undef>. Does the right thing when the player is currently in a
1352	dialogue with the given NPC character.	2493	dialogue with the given NPC character.
1353		2494
1354	=cut	2495	=cut
		2496
		2497	our $SAY_CHANNEL = {
		2498	id => "say",
		2499	title => "Map",
		2500	reply => "say ",
		2501	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2502	};
		2503
		2504	our $CHAT_CHANNEL = {
		2505	id => "chat",
		2506	title => "Chat",
		2507	reply => "chat ",
		2508	tooltip => "Player chat and shouts, global to the server.",
		2509	};
1355		2510
1356	# rough implementation of a future "reply" method that works	2511	# rough implementation of a future "reply" method that works
1357	# with dialog boxes.	2512	# with dialog boxes.
1358	#TODO: the first argument must go, split into a $npc->reply_to ( method	2513	#TODO: the first argument must go, split into a $npc->reply_to ( method
1359	sub cf::object::player::reply($$$;$) {	2514	sub cf::object::player::reply($$$;$) {
…		…
1361		2516
1362	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2517	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1363		2518
1364	if ($self->{record_replies}) {	2519	if ($self->{record_replies}) {
1365	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2520	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2521
1366	} else {	2522	} else {
		2523	my $pl = $self->contr;
		2524
		2525	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2526	my $dialog = $pl->{npc_dialog};
		2527	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2528
		2529	} else {
1367	$msg = $npc->name . " says: $msg" if $npc;	2530	$msg = $npc->name . " says: $msg" if $npc;
1368	$self->message ($msg, $flags);	2531	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2532	}
1369	}	2533	}
		2534	}
		2535
		2536	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2537
		2538	=cut
		2539
		2540	sub cf::object::send_msg {
		2541	my $pl = shift->contr
		2542	or return;
		2543	$pl->send_msg (@_);
1370	}	2544	}
1371		2545
1372	=item $player_object->may ("access")	2546	=item $player_object->may ("access")
1373		2547
1374	Returns wether the given player is authorized to access resource "access"	2548	Returns wether the given player is authorized to access resource "access"
…		…
1387		2561
1388	=item $player_object->enter_link	2562	=item $player_object->enter_link
1389		2563
1390	Freezes the player and moves him/her to a special map (C<{link}>).	2564	Freezes the player and moves him/her to a special map (C<{link}>).
1391		2565
1392	The player should be reaosnably safe there for short amounts of time. You	2566	The player should be reasonably safe there for short amounts of time (e.g.
1393	I<MUST> call C<leave_link> as soon as possible, though.	2567	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2568	though, as the palyer cannot control the character while it is on the link
		2569	map.
		2570
		2571	Will never block.
1394		2572
1395	=item $player_object->leave_link ($map, $x, $y)	2573	=item $player_object->leave_link ($map, $x, $y)
1396		2574
1397	Moves the player out of the specila link map onto the given map. If the	2575	Moves the player out of the special C<{link}> map onto the specified
1398	map is not valid (or omitted), the player will be moved back to the	2576	map. If the map is not valid (or omitted), the player will be moved back
1399	location he/she was before the call to C<enter_link>, or, if that fails,	2577	to the location he/she was before the call to C<enter_link>, or, if that
1400	to the emergency map position.	2578	fails, to the emergency map position.
1401		2579
1402	Might block.	2580	Might block.
1403		2581
1404	=cut	2582	=cut
		2583
		2584	sub link_map {
		2585	unless ($LINK_MAP) {
		2586	$LINK_MAP = cf::map::find "{link}"
		2587	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2588	$LINK_MAP->load;
		2589	}
		2590
		2591	$LINK_MAP
		2592	}
1405		2593
1406	sub cf::object::player::enter_link {	2594	sub cf::object::player::enter_link {
1407	my ($self) = @_;	2595	my ($self) = @_;
1408		2596
1409	return if $self->map == $LINK_MAP;
1410
1411	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1412	if $self->map;
1413
1414	$self->enter_map ($LINK_MAP, 20, 20);
1415	$self->deactivate_recursive;	2597	$self->deactivate_recursive;
		2598
		2599	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2600
		2601	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2602	if $self->map && $self->map->{path} ne "{link}";
		2603
		2604	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1416	}	2605	}
1417		2606
1418	sub cf::object::player::leave_link {	2607	sub cf::object::player::leave_link {
1419	my ($self, $map, $x, $y) = @_;	2608	my ($self, $map, $x, $y) = @_;
		2609
		2610	return unless $self->contr->active;
1420		2611
1421	my $link_pos = delete $self->{_link_pos};	2612	my $link_pos = delete $self->{_link_pos};
1422		2613
1423	unless ($map) {	2614	unless ($map) {
1424	# restore original map position	2615	# restore original map position
1425	($map, $x, $y) = @{ $link_pos || [] };	2616	($map, $x, $y) = @{ $link_pos || [] };
1426	$map = cf::map::find_map $map;	2617	$map = cf::map::find $map;
1427		2618
1428	unless ($map) {	2619	unless ($map) {
1429	($map, $x, $y) = @$EMERGENCY_POSITION;	2620	($map, $x, $y) = @$EMERGENCY_POSITION;
1430	$map = cf::map::find_map $map	2621	$map = cf::map::find $map
1431	or die "FATAL: cannot load emergency map\n";	2622	or die "FATAL: cannot load emergency map\n";
1432	}	2623	}
1433	}	2624	}
1434		2625
1435	($x, $y) = (-1, -1)	2626	($x, $y) = (-1, -1)
1436	unless (defined $x) && (defined $y);	2627	unless (defined $x) && (defined $y);
1437		2628
1438	# use -1 or undef as default coordinates, not 0, 0	2629	# use -1 or undef as default coordinates, not 0, 0
1439	($x, $y) = ($map->enter_x, $map->enter_y)	2630	($x, $y) = ($map->enter_x, $map->enter_y)
1440	if $x <=0 && $y <= 0;	2631	if $x <= 0 && $y <= 0;
1441		2632
1442	$map->load;	2633	$map->load;
		2634	$map->load_neighbours;
1443		2635
		2636	return unless $self->contr->active;
		2637
		2638	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2639	$self->enter_map ($map, $x, $y);
		2640
		2641	# only activate afterwards, to support waiting in hooks
1444	$self->activate_recursive;	2642	$self->activate_recursive;
1445	$self->enter_map ($map, $x, $y);
1446	}	2643	}
1447		2644
1448	=item $player_object->goto_map ($map, $x, $y)	2645	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1449		2646
1450	=cut	2647	Moves the player to the given map-path and coordinates by first freezing
		2648	her, loading and preparing them map, calling the provided $check callback
		2649	that has to return the map if sucecssful, and then unfreezes the player on
		2650	the new (success) or old (failed) map position. In either case, $done will
		2651	be called at the end of this process.
1451		2652
		2653	Note that $check will be called with a potentially non-loaded map, so if
		2654	it needs a loaded map it has to call C<< ->load >>.
		2655
		2656	=cut
		2657
		2658	our $GOTOGEN;
		2659
1452	sub cf::object::player::goto_map {	2660	sub cf::object::player::goto {
1453	my ($self, $path, $x, $y) = @_;	2661	my ($self, $path, $x, $y, $check, $done) = @_;
		2662
		2663	# do generation counting so two concurrent goto's will be executed in-order
		2664	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1454		2665
1455	$self->enter_link;	2666	$self->enter_link;
1456		2667
1457	(Coro::async {	2668	(async {
1458	$path = new cf::path $path;	2669	$Coro::current->{desc} = "player::goto $path $x $y";
1459		2670
1460	my $map = cf::map::find_map $path->as_string;	2671	# *tag paths override both path and x|y
		2672	if ($path =~ /^\*(.*)$/) {
		2673	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2674	my $ob = $obs[rand @obs];
		2675
		2676	# see if we actually can go there
		2677	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2678	$ob = $obs[rand @obs];
		2679	} else {
		2680	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2681	}
		2682	# else put us there anyways for now #d#
		2683
		2684	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2685	} else {
		2686	($path, $x, $y) = (undef, undef, undef);
		2687	}
		2688	}
		2689
		2690	my $map = eval {
		2691	my $map = defined $path ? cf::map::find $path : undef;
		2692
		2693	if ($map) {
1461	$map = $map->customise_for ($self) if $map;	2694	$map = $map->customise_for ($self);
		2695	$map = $check->($map) if $check && $map;
		2696	} else {
		2697	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2698	}
1462		2699
1463	warn "entering ", $map->path, " at ($x, $y)\n"
1464	if $map;	2700	$map
		2701	};
1465		2702
1466	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2703	if ($@) {
		2704	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2705	LOG llevError | logBacktrace, Carp::longmess $@;
		2706	}
1467		2707
		2708	if ($gen == $self->{_goto_generation}) {
		2709	delete $self->{_goto_generation};
1468	$self->leave_link ($map, $x, $y);	2710	$self->leave_link ($map, $x, $y);
		2711	}
		2712
		2713	$done->() if $done;
1469	})->prio (1);	2714	})->prio (1);
1470	}	2715	}
1471		2716
1472	=item $player_object->enter_exit ($exit_object)	2717	=item $player_object->enter_exit ($exit_object)
1473		2718
…		…
1475		2720
1476	sub parse_random_map_params {	2721	sub parse_random_map_params {
1477	my ($spec) = @_;	2722	my ($spec) = @_;
1478		2723
1479	my $rmp = { # defaults	2724	my $rmp = { # defaults
1480	xsize => 10,	2725	xsize => (cf::rndm 15, 40),
1481	ysize => 10,	2726	ysize => (cf::rndm 15, 40),
		2727	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2728	#layout => string,
1482	};	2729	};
1483		2730
1484	for (split /\n/, $spec) {	2731	for (split /\n/, $spec) {
1485	my ($k, $v) = split /\s+/, $_, 2;	2732	my ($k, $v) = split /\s+/, $_, 2;
1486		2733
…		…
1498	# that depends on the exit object	2745	# that depends on the exit object
1499		2746
1500	my $rmp = parse_random_map_params $exit->msg;	2747	my $rmp = parse_random_map_params $exit->msg;
1501		2748
1502	if ($exit->map) {	2749	if ($exit->map) {
1503	$rmp->{region} = $exit->map->region_name;	2750	$rmp->{region} = $exit->region->name;
1504	$rmp->{origin_map} = $exit->map->path;	2751	$rmp->{origin_map} = $exit->map->path;
1505	$rmp->{origin_x} = $exit->x;	2752	$rmp->{origin_x} = $exit->x;
1506	$rmp->{origin_y} = $exit->y;	2753	$rmp->{origin_y} = $exit->y;
		2754
		2755	$exit->map->touch;
1507	}	2756	}
1508		2757
1509	$rmp->{random_seed} ||= $exit->random_seed;	2758	$rmp->{random_seed} ||= $exit->random_seed;
1510		2759
1511	my $data = cf::to_json $rmp;	2760	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1512	my $md5 = Digest::MD5::md5_hex $data;	2761	my $md5 = Digest::MD5::md5_hex $data;
		2762	my $meta = "$RANDOMDIR/$md5.meta";
1513		2763
1514	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2764	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1515	aio_write $fh, 0, (length $data), $data, 0;	2765	aio_write $fh, 0, (length $data), $data, 0;
		2766	undef $fh;
		2767	aio_rename "$meta~", $meta;
1516		2768
		2769	my $slaying = "?random/$md5";
		2770
		2771	if ($exit->valid) {
1517	$exit->slaying ("?random/$md5");	2772	$exit->slaying ("?random/$md5");
1518	$exit->msg (undef);	2773	$exit->msg (undef);
		2774	}
1519	}	2775	}
1520	}	2776	}
1521		2777
1522	sub cf::object::player::enter_exit {	2778	sub cf::object::player::enter_exit {
1523	my ($self, $exit) = @_;	2779	my ($self, $exit) = @_;
1524		2780
1525	return unless $self->type == cf::PLAYER;	2781	return unless $self->type == cf::PLAYER;
1526		2782
1527	$self->enter_link;	2783	$self->enter_link;
1528		2784
1529	(Coro::async {	2785	(async {
		2786	$Coro::current->{desc} = "enter_exit";
		2787
1530	unless (eval {	2788	unless (eval {
		2789	$self->deactivate_recursive; # just to be sure
1531		2790
		2791	# random map handling
		2792	{
		2793	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2794
1532	prepare_random_map $exit	2795	prepare_random_map $exit
1533	if $exit->slaying eq "/!";	2796	if $exit->slaying eq "/!";
		2797	}
1534		2798
1535	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2799	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1536	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2800	my $x = $exit->stats->hp;
		2801	my $y = $exit->stats->sp;
1537		2802
		2803	$self->goto ($map, $x, $y);
		2804
		2805	# if exit is damned, update players death & WoR home-position
		2806	$self->contr->savebed ($map, $x, $y)
		2807	if $exit->flag (cf::FLAG_DAMNED);
		2808
1538	1;	2809	1
1539	}) {	2810	}) {
1540	$self->message ("Something went wrong deep within the crossfire server. "	2811	$self->message ("Something went wrong deep within the deliantra server. "
1541	. "I'll try to bring you back to the map you were before. "	2812	. "I'll try to bring you back to the map you were before. "
1542	. "Please report this to the dungeon master",	2813	. "Please report this to the dungeon master!",
1543	cf::NDI_UNIQUE | cf::NDI_RED);	2814	cf::NDI_UNIQUE | cf::NDI_RED);
1544		2815
1545	warn "ERROR in enter_exit: $@";	2816	warn "ERROR in enter_exit: $@";
1546	$self->leave_link;	2817	$self->leave_link;
1547	}	2818	}
1548	})->prio (1);	2819	})->prio (1);
…		…
1561		2832
1562	sub cf::client::send_drawinfo {	2833	sub cf::client::send_drawinfo {
1563	my ($self, $text, $flags) = @_;	2834	my ($self, $text, $flags) = @_;
1564		2835
1565	utf8::encode $text;	2836	utf8::encode $text;
1566	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2837	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1567	}	2838	}
1568		2839
		2840	=item $client->send_big_packet ($pkt)
		2841
		2842	Like C<send_packet>, but tries to compress large packets, and fragments
		2843	them as required.
		2844
		2845	=cut
		2846
		2847	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2848
		2849	sub cf::client::send_big_packet {
		2850	my ($self, $pkt) = @_;
		2851
		2852	# try lzf for large packets
		2853	$pkt = "lzf " . Compress::LZF::compress $pkt
		2854	if 1024 <= length $pkt and $self->{can_lzf};
		2855
		2856	# split very large packets
		2857	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2858	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2859	$pkt = "frag";
		2860	}
		2861
		2862	$self->send_packet ($pkt);
		2863	}
		2864
		2865	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2866
		2867	Send a drawinfo or msg packet to the client, formatting the msg for the
		2868	client if neccessary. C<$type> should be a string identifying the type of
		2869	the message, with C<log> being the default. If C<$color> is negative, suppress
		2870	the message unless the client supports the msg packet.
		2871
		2872	=cut
		2873
		2874	# non-persistent channels (usually the info channel)
		2875	our %CHANNEL = (
		2876	"c/motd" => {
		2877	id => "infobox",
		2878	title => "MOTD",
		2879	reply => undef,
		2880	tooltip => "The message of the day",
		2881	},
		2882	"c/identify" => {
		2883	id => "infobox",
		2884	title => "Identify",
		2885	reply => undef,
		2886	tooltip => "Items recently identified",
		2887	},
		2888	"c/examine" => {
		2889	id => "infobox",
		2890	title => "Examine",
		2891	reply => undef,
		2892	tooltip => "Signs and other items you examined",
		2893	},
		2894	"c/shopinfo" => {
		2895	id => "infobox",
		2896	title => "Shop Info",
		2897	reply => undef,
		2898	tooltip => "What your bargaining skill tells you about the shop",
		2899	},
		2900	"c/book" => {
		2901	id => "infobox",
		2902	title => "Book",
		2903	reply => undef,
		2904	tooltip => "The contents of a note or book",
		2905	},
		2906	"c/lookat" => {
		2907	id => "infobox",
		2908	title => "Look",
		2909	reply => undef,
		2910	tooltip => "What you saw there",
		2911	},
		2912	"c/who" => {
		2913	id => "infobox",
		2914	title => "Players",
		2915	reply => undef,
		2916	tooltip => "Shows players who are currently online",
		2917	},
		2918	"c/body" => {
		2919	id => "infobox",
		2920	title => "Body Parts",
		2921	reply => undef,
		2922	tooltip => "Shows which body parts you posess and are available",
		2923	},
		2924	"c/statistics" => {
		2925	id => "infobox",
		2926	title => "Statistics",
		2927	reply => undef,
		2928	tooltip => "Shows your primary statistics",
		2929	},
		2930	"c/skills" => {
		2931	id => "infobox",
		2932	title => "Skills",
		2933	reply => undef,
		2934	tooltip => "Shows your experience per skill and item power",
		2935	},
		2936	"c/shopitems" => {
		2937	id => "infobox",
		2938	title => "Shop Items",
		2939	reply => undef,
		2940	tooltip => "Shows the items currently for sale in this shop",
		2941	},
		2942	"c/resistances" => {
		2943	id => "infobox",
		2944	title => "Resistances",
		2945	reply => undef,
		2946	tooltip => "Shows your resistances",
		2947	},
		2948	"c/pets" => {
		2949	id => "infobox",
		2950	title => "Pets",
		2951	reply => undef,
		2952	tooltip => "Shows information abotu your pets/a specific pet",
		2953	},
		2954	"c/perceiveself" => {
		2955	id => "infobox",
		2956	title => "Perceive Self",
		2957	reply => undef,
		2958	tooltip => "You gained detailed knowledge about yourself",
		2959	},
		2960	"c/uptime" => {
		2961	id => "infobox",
		2962	title => "Uptime",
		2963	reply => undef,
		2964	tooltip => "How long the server has been running since last restart",
		2965	},
		2966	"c/mapinfo" => {
		2967	id => "infobox",
		2968	title => "Map Info",
		2969	reply => undef,
		2970	tooltip => "Information related to the maps",
		2971	},
		2972	"c/party" => {
		2973	id => "party",
		2974	title => "Party",
		2975	reply => "gsay ",
		2976	tooltip => "Messages and chat related to your party",
		2977	},
		2978	"c/death" => {
		2979	id => "death",
		2980	title => "Death",
		2981	reply => undef,
		2982	tooltip => "Reason for and more info about your most recent death",
		2983	},
		2984	"c/say" => $SAY_CHANNEL,
		2985	"c/chat" => $CHAT_CHANNEL,
		2986	);
		2987
		2988	sub cf::client::send_msg {
		2989	my ($self, $channel, $msg, $color, @extra) = @_;
		2990
		2991	$msg = $self->pl->expand_cfpod ($msg)
		2992	unless $color & cf::NDI_VERBATIM;
		2993
		2994	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2995
		2996	# check predefined channels, for the benefit of C
		2997	if ($CHANNEL{$channel}) {
		2998	$channel = $CHANNEL{$channel};
		2999
		3000	$self->ext_msg (channel_info => $channel);
		3001	$channel = $channel->{id};
		3002
		3003	} elsif (ref $channel) {
		3004	# send meta info to client, if not yet sent
		3005	unless (exists $self->{channel}{$channel->{id}}) {
		3006	$self->{channel}{$channel->{id}} = $channel;
		3007	$self->ext_msg (channel_info => $channel);
		3008	}
		3009
		3010	$channel = $channel->{id};
		3011	}
		3012
		3013	return unless @extra || length $msg;
		3014
		3015	# default colour, mask it out
		3016	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3017	if $color & cf::NDI_DEF;
		3018
		3019	my $pkt = "msg "
		3020	. $self->{json_coder}->encode (
		3021	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3022	);
		3023
		3024	$self->send_big_packet ($pkt);
		3025	}
		3026
		3027	=item $client->ext_msg ($type, @msg)
		3028
		3029	Sends an ext event to the client.
		3030
		3031	=cut
		3032
		3033	sub cf::client::ext_msg($$@) {
		3034	my ($self, $type, @msg) = @_;
		3035
		3036	if ($self->extcmd == 2) {
		3037	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3038	} elsif ($self->extcmd == 1) { # TODO: remove
		3039	push @msg, msgtype => "event_$type";
		3040	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3041	}
		3042	}
		3043
		3044	=item $client->ext_reply ($msgid, @msg)
		3045
		3046	Sends an ext reply to the client.
		3047
		3048	=cut
		3049
		3050	sub cf::client::ext_reply($$@) {
		3051	my ($self, $id, @msg) = @_;
		3052
		3053	if ($self->extcmd == 2) {
		3054	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3055	} elsif ($self->extcmd == 1) {
		3056	#TODO: version 1, remove
		3057	unshift @msg, msgtype => "reply", msgid => $id;
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3059	}
		3060	}
1569		3061
1570	=item $success = $client->query ($flags, "text", \&cb)	3062	=item $success = $client->query ($flags, "text", \&cb)
1571		3063
1572	Queues a query to the client, calling the given callback with	3064	Queues a query to the client, calling the given callback with
1573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3065	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3066	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1575		3067
1576	Queries can fail, so check the return code. Or don't, as queries will become	3068	Queries can fail, so check the return code. Or don't, as queries will
1577	reliable at some point in the future.	3069	become reliable at some point in the future.
1578		3070
1579	=cut	3071	=cut
1580		3072
1581	sub cf::client::query {	3073	sub cf::client::query {
1582	my ($self, $flags, $text, $cb) = @_;	3074	my ($self, $flags, $text, $cb) = @_;
…		…
1590	utf8::encode $text;	3082	utf8::encode $text;
1591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3083	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1592		3084
1593	$self->send_packet ($self->{query_queue}[0][0])	3085	$self->send_packet ($self->{query_queue}[0][0])
1594	if @{ $self->{query_queue} } == 1;	3086	if @{ $self->{query_queue} } == 1;
		3087
		3088	1
1595	}	3089	}
1596		3090
1597	cf::client->attach (	3091	cf::client->attach (
		3092	on_connect => sub {
		3093	my ($ns) = @_;
		3094
		3095	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3096	},
1598	on_reply => sub {	3097	on_reply => sub {
1599	my ($ns, $msg) = @_;	3098	my ($ns, $msg) = @_;
1600		3099
1601	# this weird shuffling is so that direct followup queries	3100	# this weird shuffling is so that direct followup queries
1602	# get handled first	3101	# get handled first
1603	my $queue = delete $ns->{query_queue};	3102	my $queue = delete $ns->{query_queue}
		3103	or return; # be conservative, not sure how that can happen, but we saw a crash here
1604		3104
1605	(shift @$queue)->[1]->($msg);	3105	(shift @$queue)->[1]->($msg);
		3106	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1606		3107
1607	push @{ $ns->{query_queue} }, @$queue;	3108	push @{ $ns->{query_queue} }, @$queue;
1608		3109
1609	if (@{ $ns->{query_queue} } == @$queue) {	3110	if (@{ $ns->{query_queue} } == @$queue) {
1610	if (@$queue) {	3111	if (@$queue) {
…		…
1612	} else {	3113	} else {
1613	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3114	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1614	}	3115	}
1615	}	3116	}
1616	},	3117	},
		3118	on_exticmd => sub {
		3119	my ($ns, $buf) = @_;
		3120
		3121	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3122
		3123	if (ref $msg) {
		3124	my ($type, $reply, @payload) =
		3125	"ARRAY" eq ref $msg
		3126	? @$msg
		3127	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3128
		3129	my @reply;
		3130
		3131	if (my $cb = $EXTICMD{$type}) {
		3132	@reply = $cb->($ns, @payload);
		3133	}
		3134
		3135	$ns->ext_reply ($reply, @reply)
		3136	if $reply;
		3137
		3138	} else {
		3139	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3140	}
		3141
		3142	cf::override;
		3143	},
1617	);	3144	);
1618		3145
1619	=item $client->coro (\&cb)	3146	=item $client->async (\&cb)
1620		3147
1621	Create a new coroutine, running the specified callback. The coroutine will	3148	Create a new coroutine, running the specified callback. The coroutine will
1622	be automatically cancelled when the client gets destroyed (e.g. on logout,	3149	be automatically cancelled when the client gets destroyed (e.g. on logout,
1623	or loss of connection).	3150	or loss of connection).
1624		3151
1625	=cut	3152	=cut
1626		3153
1627	sub cf::client::coro {	3154	sub cf::client::async {
1628	my ($self, $cb) = @_;	3155	my ($self, $cb) = @_;
1629		3156
1630	my $coro; $coro = async {	3157	my $coro = &Coro::async ($cb);
1631	eval {
1632	$cb->();
1633	};
1634	warn $@ if $@;
1635	};
1636		3158
1637	$coro->on_destroy (sub {	3159	$coro->on_destroy (sub {
1638	delete $self->{_coro}{$coro+0};	3160	delete $self->{_coro}{$coro+0};
1639	});	3161	});
1640		3162
…		…
1642		3164
1643	$coro	3165	$coro
1644	}	3166	}
1645		3167
1646	cf::client->attach (	3168	cf::client->attach (
1647	on_destroy => sub {	3169	on_client_destroy => sub {
1648	my ($ns) = @_;	3170	my ($ns) = @_;
1649		3171
1650	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3172	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1651	},	3173	},
1652	);	3174	);
…		…
1667	our $safe = new Safe "safe";	3189	our $safe = new Safe "safe";
1668	our $safe_hole = new Safe::Hole;	3190	our $safe_hole = new Safe::Hole;
1669		3191
1670	$SIG{FPE} = 'IGNORE';	3192	$SIG{FPE} = 'IGNORE';
1671		3193
1672	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3194	$safe->permit_only (Opcode::opset qw(
		3195	:base_core :base_mem :base_orig :base_math :base_loop
		3196	grepstart grepwhile mapstart mapwhile
		3197	sort time
		3198	));
1673		3199
1674	# here we export the classes and methods available to script code	3200	# here we export the classes and methods available to script code
1675		3201
1676	=pod	3202	=pod
1677		3203
1678	The following fucntions and emthods are available within a safe environment:	3204	The following functions and methods are available within a safe environment:
1679		3205
1680	cf::object contr pay_amount pay_player map	3206	cf::object
		3207	contr pay_amount pay_player map x y force_find force_add destroy
		3208	insert remove name archname title slaying race decrease split
		3209	value
		3210
1681	cf::object::player player	3211	cf::object::player
1682	cf::player peaceful	3212	player
1683	cf::map trigger	3213
		3214	cf::player
		3215	peaceful
		3216
		3217	cf::map
		3218	trigger
1684		3219
1685	=cut	3220	=cut
1686		3221
1687	for (	3222	for (
1688	["cf::object" => qw(contr pay_amount pay_player map)],	3223	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3224	insert remove inv nrof name archname title slaying race
		3225	decrease split destroy change_exp value msg lore send_msg)],
1689	["cf::object::player" => qw(player)],	3226	["cf::object::player" => qw(player)],
1690	["cf::player" => qw(peaceful)],	3227	["cf::player" => qw(peaceful send_msg)],
1691	["cf::map" => qw(trigger)],	3228	["cf::map" => qw(trigger)],
1692	) {	3229	) {
1693	no strict 'refs';	3230	no strict 'refs';
1694	my ($pkg, @funs) = @$_;	3231	my ($pkg, @funs) = @$_;
1695	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3232	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1713		3250
1714	my $qcode = $code;	3251	my $qcode = $code;
1715	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3252	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1716	$qcode =~ s/\n/\\n/g;	3253	$qcode =~ s/\n/\\n/g;
1717		3254
		3255	%vars = (_dummy => 0) unless %vars;
		3256
		3257	my @res;
1718	local $_;	3258	local $_;
1719	local @safe::cf::_safe_eval_args = values %vars;
1720		3259
1721	my $eval =	3260	my $eval =
1722	"do {\n"	3261	"do {\n"
1723	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3262	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1724	. "#line 0 \"{$qcode}\"\n"	3263	. "#line 0 \"{$qcode}\"\n"
1725	. $code	3264	. $code
1726	. "\n}"	3265	. "\n}"
1727	;	3266	;
1728		3267
		3268	if ($CFG{safe_eval}) {
1729	sub_generation_inc;	3269	sub_generation_inc;
		3270	local @safe::cf::_safe_eval_args = values %vars;
1730	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3271	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1731	sub_generation_inc;	3272	sub_generation_inc;
		3273	} else {
		3274	local @cf::_safe_eval_args = values %vars;
		3275	@res = wantarray ? eval eval : scalar eval $eval;
		3276	}
1732		3277
1733	if ($@) {	3278	if ($@) {
1734	warn "$@";	3279	warn "$@";
1735	warn "while executing safe code '$code'\n";	3280	warn "while executing safe code '$code'\n";
1736	warn "with arguments " . (join " ", %vars) . "\n";	3281	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1755	=cut	3300	=cut
1756		3301
1757	sub register_script_function {	3302	sub register_script_function {
1758	my ($fun, $cb) = @_;	3303	my ($fun, $cb) = @_;
1759		3304
1760	no strict 'refs';	3305	$fun = "safe::$fun" if $CFG{safe_eval};
1761	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3306	*$fun = $safe_hole->wrap ($cb);
1762	}	3307	}
1763		3308
1764	=back	3309	=back
1765		3310
1766	=cut	3311	=cut
1767		3312
1768	#############################################################################	3313	#############################################################################
		3314	# the server's init and main functions
1769		3315
1770	=head2 EXTENSION DATABASE SUPPORT	3316	sub load_facedata($) {
		3317	my ($path) = @_;
1771		3318
1772	Crossfire maintains a very simple database for extension use. It can	3319	# HACK to clear player env face cache, we need some signal framework
1773	currently store anything that can be serialised using Storable, which	3320	# for this (global event?)
1774	excludes objects.	3321	%ext::player_env::MUSIC_FACE_CACHE = ();
1775		3322
1776	The parameter C<$family> should best start with the name of the extension	3323	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1777	using it, it should be unique.
1778		3324
1779	=over 4	3325	warn "loading facedata from $path\n";
1780		3326
1781	=item $hashref = cf::db_get $family	3327	my $facedata;
		3328	0 < aio_load $path, $facedata
		3329	or die "$path: $!";
1782		3330
1783	Return a hashref for use by the extension C<$family>, which can be	3331	$facedata = Coro::Storable::thaw $facedata;
1784	modified. After modifications, you have to call C<cf::db_dirty> or
1785	C<cf::db_sync>.
1786		3332
1787	=item $value = cf::db_get $family => $key	3333	$facedata->{version} == 2
		3334	or cf::cleanup "$path: version mismatch, cannot proceed.";
1788		3335
1789	Returns a single value from the database	3336	# patch in the exptable
1790		3337	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1791	=item cf::db_put $family => $hashref	3338	$facedata->{resource}{"res/exp_table"} = {
1792		3339	type => FT_RSRC,
1793	Stores the given family hashref into the database. Updates are delayed, if	3340	data => $exp_table,
1794	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3341	hash => (Digest::MD5::md5 $exp_table),
1795
1796	=item cf::db_put $family => $key => $value
1797
1798	Stores the given C<$value> in the family hash. Updates are delayed, if you
1799	want the data to be synced to disk immediately, use C<cf::db_sync>.
1800
1801	=item cf::db_dirty
1802
1803	Marks the database as dirty, to be updated at a later time.
1804
1805	=item cf::db_sync
1806
1807	Immediately write the database to disk I<if it is dirty>.
1808
1809	=cut
1810
1811	our $DB;
1812
1813	{
1814	my $path = cf::localdir . "/database.pst";
1815
1816	sub db_load() {
1817	warn "loading database $path\n";#d# remove later
1818	$DB = stat $path ? Storable::retrieve $path : { };
1819	}
1820
1821	my $pid;
1822
1823	sub db_save() {
1824	warn "saving database $path\n";#d# remove later
1825	waitpid $pid, 0 if $pid;
1826	if (0 == ($pid = fork)) {
1827	$DB->{_meta}{version} = 1;
1828	Storable::nstore $DB, "$path~";
1829	rename "$path~", $path;
1830	cf::_exit 0 if defined $pid;
1831	}
1832	}
1833
1834	my $dirty;
1835
1836	sub db_sync() {
1837	db_save if $dirty;
1838	undef $dirty;
1839	}
1840
1841	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1842	db_sync;
1843	});	3342	};
		3343	cf::cede_to_tick;
1844		3344
1845	sub db_dirty() {
1846	$dirty = 1;
1847	$idle->start;
1848	}	3345	{
		3346	my $faces = $facedata->{faceinfo};
1849		3347
1850	sub db_get($;$) {	3348	while (my ($face, $info) = each %$faces) {
1851	@_ >= 2	3349	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1852	? $DB->{$_[0]}{$_[1]}
1853	: ($DB->{$_[0]} ||= { })
1854	}
1855		3350
1856	sub db_put($$;$) {	3351	cf::face::set_visibility $idx, $info->{visibility};
1857	if (@_ >= 3) {	3352	cf::face::set_magicmap $idx, $info->{magicmap};
1858	$DB->{$_[0]}{$_[1]} = $_[2];	3353	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1859	} else {	3354	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1860	$DB->{$_[0]} = $_[1];
1861	}
1862	db_dirty;
1863	}
1864		3355
1865	cf::global->attach (	3356	cf::cede_to_tick;
1866	prio => 10000,
1867	on_cleanup => sub {
1868	db_sync;
1869	},	3357	}
1870	);
1871	}
1872		3358
1873	#############################################################################	3359	while (my ($face, $info) = each %$faces) {
1874	# the server's main()	3360	next unless $info->{smooth};
1875		3361
1876	sub cfg_load {	3362	my $idx = cf::face::find $face
		3363	or next;
		3364
		3365	if (my $smooth = cf::face::find $info->{smooth}) {
		3366	cf::face::set_smooth $idx, $smooth;
		3367	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3368	} else {
		3369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3370	}
		3371
		3372	cf::cede_to_tick;
		3373	}
		3374	}
		3375
		3376	{
		3377	my $anims = $facedata->{animinfo};
		3378
		3379	while (my ($anim, $info) = each %$anims) {
		3380	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3381	cf::cede_to_tick;
		3382	}
		3383
		3384	cf::anim::invalidate_all; # d'oh
		3385	}
		3386
		3387	{
		3388	my $res = $facedata->{resource};
		3389
		3390	while (my ($name, $info) = each %$res) {
		3391	if (defined $info->{type}) {
		3392	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3393
		3394	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3395	cf::face::set_type $idx, $info->{type};
		3396	} else {
		3397	$RESOURCE{$name} = $info;
		3398	}
		3399
		3400	cf::cede_to_tick;
		3401	}
		3402	}
		3403
		3404	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3405
		3406	1
		3407	}
		3408
		3409	cf::global->attach (on_resource_update => sub {
		3410	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3411	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3412
		3413	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3414	my $sound = $soundconf->{compat}[$_]
		3415	or next;
		3416
		3417	my $face = cf::face::find "sound/$sound->[1]";
		3418	cf::sound::set $sound->[0] => $face;
		3419	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3420	}
		3421
		3422	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3423	my $face = cf::face::find "sound/$v";
		3424	cf::sound::set $k => $face;
		3425	}
		3426	}
		3427	});
		3428
		3429	register_exticmd fx_want => sub {
		3430	my ($ns, $want) = @_;
		3431
		3432	while (my ($k, $v) = each %$want) {
		3433	$ns->fx_want ($k, $v);
		3434	}
		3435	};
		3436
		3437	sub load_resource_file($) {
		3438	my $guard = lock_acquire "load_resource_file";
		3439
		3440	my $status = load_resource_file_ $_[0];
		3441	get_slot 0.1, 100;
		3442	cf::arch::commit_load;
		3443
		3444	$status
		3445	}
		3446
		3447	sub reload_regions {
		3448	# HACK to clear player env face cache, we need some signal framework
		3449	# for this (global event?)
		3450	%ext::player_env::MUSIC_FACE_CACHE = ();
		3451
		3452	load_resource_file "$MAPDIR/regions"
		3453	or die "unable to load regions file\n";
		3454
		3455	for (cf::region::list) {
		3456	$_->{match} = qr/$_->{match}/
		3457	if exists $_->{match};
		3458	}
		3459	}
		3460
		3461	sub reload_facedata {
		3462	load_facedata "$DATADIR/facedata"
		3463	or die "unable to load facedata\n";
		3464	}
		3465
		3466	sub reload_archetypes {
		3467	load_resource_file "$DATADIR/archetypes"
		3468	or die "unable to load archetypes\n";
		3469	}
		3470
		3471	sub reload_treasures {
		3472	load_resource_file "$DATADIR/treasures"
		3473	or die "unable to load treasurelists\n";
		3474	}
		3475
		3476	sub reload_resources {
		3477	warn "reloading resource files...\n";
		3478
		3479	reload_facedata;
		3480	reload_archetypes;
		3481	reload_regions;
		3482	reload_treasures;
		3483
		3484	warn "finished reloading resource files\n";
		3485	}
		3486
		3487	sub reload_config {
		3488	warn "reloading config file...\n";
		3489
1877	open my $fh, "<:utf8", cf::confdir . "/config"	3490	open my $fh, "<:utf8", "$CONFDIR/config"
1878	or return;	3491	or return;
1879		3492
1880	local $/;	3493	local $/;
1881	*CFG = YAML::Syck::Load <$fh>;	3494	*CFG = YAML::XS::Load scalar <$fh>;
		3495
		3496	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3497
		3498	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3499	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3500
		3501	if (exists $CFG{mlockall}) {
		3502	eval {
		3503	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3504	and die "WARNING: m(un)lockall failed: $!\n";
		3505	};
		3506	warn $@ if $@;
		3507	}
		3508
		3509	warn "finished reloading resource files\n";
		3510	}
		3511
		3512	sub pidfile() {
		3513	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3514	or die "$PIDFILE: $!";
		3515	flock $fh, &Fcntl::LOCK_EX
		3516	or die "$PIDFILE: flock: $!";
		3517	$fh
		3518	}
		3519
		3520	# make sure only one server instance is running at any one time
		3521	sub atomic {
		3522	my $fh = pidfile;
		3523
		3524	my $pid = <$fh>;
		3525	kill 9, $pid if $pid > 0;
		3526
		3527	seek $fh, 0, 0;
		3528	print $fh $$;
		3529	}
		3530
		3531	sub main_loop {
		3532	warn "EV::loop starting\n";
		3533	if (1) {
		3534	EV::loop;
		3535	}
		3536	warn "EV::loop returned\n";
		3537	goto &main_loop unless $REALLY_UNLOOP;
1882	}	3538	}
1883		3539
1884	sub main {	3540	sub main {
		3541	cf::init_globals; # initialise logging
		3542
		3543	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3544	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3545	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3546	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3547
		3548	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3549
1885	# we must not ever block the main coroutine	3550	# we must not ever block the main coroutine
1886	local $Coro::idle = sub {	3551	local $Coro::idle = sub {
1887	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3552	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1888	(Coro::unblock_sub {	3553	(async {
1889	Event::one_event;	3554	$Coro::current->{desc} = "IDLE BUG HANDLER";
1890	})->();	3555	EV::loop EV::LOOP_ONESHOT;
		3556	})->prio (Coro::PRIO_MAX);
1891	};	3557	};
1892		3558
1893	cfg_load;	3559	evthread_start IO::AIO::poll_fileno;
1894	db_load;	3560
		3561	cf::sync_job {
		3562	cf::init_experience;
		3563	cf::init_anim;
		3564	cf::init_attackmess;
		3565	cf::init_dynamic;
		3566
		3567	cf::load_settings;
		3568	cf::load_materials;
		3569
		3570	reload_resources;
		3571	reload_config;
		3572	db_init;
		3573
		3574	cf::init_uuid;
		3575	cf::init_signals;
		3576	cf::init_skills;
		3577
		3578	cf::init_beforeplay;
		3579
		3580	atomic;
		3581
1895	load_extensions;	3582	load_extensions;
1896	Event::loop;	3583
		3584	utime time, time, $RUNTIMEFILE;
		3585
		3586	# no (long-running) fork's whatsoever before this point(!)
		3587	use POSIX ();
		3588	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3589
		3590	(pop @POST_INIT)->(0) while @POST_INIT;
		3591	};
		3592
		3593	cf::object::thawer::errors_are_fatal 0;
		3594	warn "parse errors in files are no longer fatal from this point on.\n";
		3595
		3596	main_loop;
1897	}	3597	}
1898		3598
1899	#############################################################################	3599	#############################################################################
1900	# initialisation	3600	# initialisation and cleanup
1901		3601
		3602	# install some emergency cleanup handlers
		3603	BEGIN {
		3604	our %SIGWATCHER = ();
		3605	for my $signal (qw(INT HUP TERM)) {
		3606	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3607	cf::cleanup "SIG$signal";
		3608	};
		3609	}
		3610	}
		3611
		3612	sub write_runtime_sync {
		3613	my $t0 = AE::time;
		3614
		3615	# first touch the runtime file to show we are still running:
		3616	# the fsync below can take a very very long time.
		3617
		3618	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3619
		3620	my $guard = cf::lock_acquire "write_runtime";
		3621
		3622	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3623	or return;
		3624
		3625	my $value = $cf::RUNTIME + 90 + 10;
		3626	# 10 is the runtime save interval, for a monotonic clock
		3627	# 60 allows for the watchdog to kill the server.
		3628
		3629	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3630	and return;
		3631
		3632	# always fsync - this file is important
		3633	aio_fsync $fh
		3634	and return;
		3635
		3636	# touch it again to show we are up-to-date
		3637	aio_utime $fh, undef, undef;
		3638
		3639	close $fh
		3640	or return;
		3641
		3642	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3643	and return;
		3644
		3645	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3646
		3647	1
		3648	}
		3649
		3650	our $uuid_lock;
		3651	our $uuid_skip;
		3652
		3653	sub write_uuid_sync($) {
		3654	$uuid_skip ||= $_[0];
		3655
		3656	return if $uuid_lock;
		3657	local $uuid_lock = 1;
		3658
		3659	my $uuid = "$LOCALDIR/uuid";
		3660
		3661	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3662	or return;
		3663
		3664	my $value = uuid_seq uuid_cur;
		3665
		3666	unless ($value) {
		3667	warn "cowardly refusing to write zero uuid value!\n";
		3668	return;
		3669	}
		3670
		3671	my $value = uuid_str $value + $uuid_skip;
		3672	$uuid_skip = 0;
		3673
		3674	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3675	and return;
		3676
		3677	# always fsync - this file is important
		3678	aio_fsync $fh
		3679	and return;
		3680
		3681	close $fh
		3682	or return;
		3683
		3684	aio_rename "$uuid~", $uuid
		3685	and return;
		3686
		3687	warn "uuid file written ($value).\n";
		3688
		3689	1
		3690
		3691	}
		3692
		3693	sub write_uuid($$) {
		3694	my ($skip, $sync) = @_;
		3695
		3696	$sync ? write_uuid_sync $skip
		3697	: async { write_uuid_sync $skip };
		3698	}
		3699
		3700	sub emergency_save() {
		3701	my $freeze_guard = cf::freeze_mainloop;
		3702
		3703	warn "emergency_perl_save: enter\n";
		3704
		3705	cf::sync_job {
		3706	# this is a trade-off: we want to be very quick here, so
		3707	# save all maps without fsync, and later call a global sync
		3708	# (which in turn might be very very slow)
		3709	local $USE_FSYNC = 0;
		3710
		3711	# use a peculiar iteration method to avoid tripping on perl
		3712	# refcount bugs in for. also avoids problems with players
		3713	# and maps saved/destroyed asynchronously.
		3714	warn "emergency_perl_save: begin player save\n";
		3715	for my $login (keys %cf::PLAYER) {
		3716	my $pl = $cf::PLAYER{$login} or next;
		3717	$pl->valid or next;
		3718	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3719	$pl->save;
		3720	}
		3721	warn "emergency_perl_save: end player save\n";
		3722
		3723	warn "emergency_perl_save: begin map save\n";
		3724	for my $path (keys %cf::MAP) {
		3725	my $map = $cf::MAP{$path} or next;
		3726	$map->valid or next;
		3727	$map->save;
		3728	}
		3729	warn "emergency_perl_save: end map save\n";
		3730
		3731	warn "emergency_perl_save: begin database checkpoint\n";
		3732	BDB::db_env_txn_checkpoint $DB_ENV;
		3733	warn "emergency_perl_save: end database checkpoint\n";
		3734
		3735	warn "emergency_perl_save: begin write uuid\n";
		3736	write_uuid_sync 1;
		3737	warn "emergency_perl_save: end write uuid\n";
		3738	};
		3739
		3740	warn "emergency_perl_save: starting sync()\n";
		3741	IO::AIO::aio_sync sub {
		3742	warn "emergency_perl_save: finished sync()\n";
		3743	};
		3744
		3745	warn "emergency_perl_save: leave\n";
		3746	}
		3747
		3748	sub post_cleanup {
		3749	my ($make_core) = @_;
		3750
		3751	warn Carp::longmess "post_cleanup backtrace"
		3752	if $make_core;
		3753
		3754	my $fh = pidfile;
		3755	unlink $PIDFILE if <$fh> == $$;
		3756	}
		3757
		3758	# a safer delete_package, copied from Symbol
		3759	sub clear_package($) {
		3760	my $pkg = shift;
		3761
		3762	# expand to full symbol table name if needed
		3763	unless ($pkg =~ /^main::.*::$/) {
		3764	$pkg = "main$pkg" if $pkg =~ /^::/;
		3765	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3766	$pkg .= '::' unless $pkg =~ /::$/;
		3767	}
		3768
		3769	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3770	my $stem_symtab = *{$stem}{HASH};
		3771
		3772	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3773	or return;
		3774
		3775	# clear all symbols
		3776	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3777	for my $name (keys %$leaf_symtab) {
		3778	_gv_clear *{"$pkg$name"};
		3779	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3780	}
		3781	warn "cleared package $pkg\n";#d#
		3782	}
		3783
1902	sub reload() {	3784	sub do_reload_perl() {
1903	# can/must only be called in main	3785	# can/must only be called in main
1904	if ($Coro::current != $Coro::main) {	3786	if ($Coro::current != $Coro::main) {
1905	warn "can only reload from main coroutine\n";	3787	warn "can only reload from main coroutine";
1906	return;	3788	return;
1907	}	3789	}
1908		3790
		3791	return if $RELOAD++;
		3792
		3793	my $t1 = AE::time;
		3794
		3795	while ($RELOAD) {
1909	warn "reloading...";	3796	warn "reloading...";
1910		3797
1911	local $FREEZE = 1;	3798	warn "entering sync_job";
		3799
		3800	cf::sync_job {
		3801	cf::write_runtime_sync; # external watchdog should not bark
1912	cf::emergency_save;	3802	cf::emergency_save;
		3803	cf::write_runtime_sync; # external watchdog should not bark
1913		3804
1914	eval {	3805	warn "syncing database to disk";
		3806	BDB::db_env_txn_checkpoint $DB_ENV;
		3807
1915	# if anything goes wrong in here, we should simply crash as we already saved	3808	# if anything goes wrong in here, we should simply crash as we already saved
1916		3809
1917	# cancel all watchers	3810	warn "flushing outstanding aio requests";
1918	for (Event::all_watchers) {	3811	while (IO::AIO::nreqs || BDB::nreqs) {
1919	$_->cancel if $_->data & WF_AUTOCANCEL;	3812	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
1920	}
1921
1922	# cancel all extension coros
1923	$_->cancel for values %EXT_CORO;
1924	%EXT_CORO = ();
1925
1926	# unload all extensions
1927	for (@exts) {
1928	warn "unloading <$_>";
1929	unload_extension $_;
1930	}
1931
1932	# unload all modules loaded from $LIBDIR
1933	while (my ($k, $v) = each %INC) {
1934	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1935
1936	warn "removing <$k>";
1937	delete $INC{$k};
1938
1939	$k =~ s/\.pm$//;
1940	$k =~ s/\//::/g;
1941
1942	if (my $cb = $k->can ("unload_module")) {
1943	$cb->();
1944	}	3813	}
1945		3814
1946	Symbol::delete_package $k;	3815	warn "cancelling all extension coros";
		3816	$_->cancel for values %EXT_CORO;
		3817	%EXT_CORO = ();
		3818
		3819	warn "removing commands";
		3820	%COMMAND = ();
		3821
		3822	warn "removing ext/exti commands";
		3823	%EXTCMD = ();
		3824	%EXTICMD = ();
		3825
		3826	warn "unloading/nuking all extensions";
		3827	for my $pkg (@EXTS) {
		3828	warn "... unloading $pkg";
		3829
		3830	if (my $cb = $pkg->can ("unload")) {
		3831	eval {
		3832	$cb->($pkg);
		3833	1
		3834	} or warn "$pkg unloaded, but with errors: $@";
		3835	}
		3836
		3837	warn "... clearing $pkg";
		3838	clear_package $pkg;
1947	}	3839	}
1948		3840
1949	# sync database to disk	3841	warn "unloading all perl modules loaded from $LIBDIR";
1950	cf::db_sync;	3842	while (my ($k, $v) = each %INC) {
1951	IO::AIO::flush;	3843	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1952		3844
		3845	warn "... unloading $k";
		3846	delete $INC{$k};
		3847
		3848	$k =~ s/\.pm$//;
		3849	$k =~ s/\//::/g;
		3850
		3851	if (my $cb = $k->can ("unload_module")) {
		3852	$cb->();
		3853	}
		3854
		3855	clear_package $k;
		3856	}
		3857
1953	# get rid of safe::, as good as possible	3858	warn "getting rid of safe::, as good as possible";
1954	Symbol::delete_package "safe::$_"	3859	clear_package "safe::$_"
1955	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3860	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1956		3861
1957	# remove register_script_function callbacks	3862	warn "unloading cf.pm \"a bit\"";
1958	# TODO
1959
1960	# unload cf.pm "a bit"
1961	delete $INC{"cf.pm"};	3863	delete $INC{"cf.pm"};
		3864	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
1962		3865
1963	# don't, removes xs symbols, too,	3866	# don't, removes xs symbols, too,
1964	# and global variables created in xs	3867	# and global variables created in xs
1965	#Symbol::delete_package __PACKAGE__;	3868	#clear_package __PACKAGE__;
1966		3869
1967	# reload cf.pm	3870	warn "unload completed, starting to reload now";
		3871
1968	warn "reloading cf.pm";	3872	warn "reloading cf.pm";
1969	require cf;	3873	require cf;
1970	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3874	cf::_connect_to_perl_1;
1971		3875
1972	# load config and database again	3876	warn "loading config and database again";
1973	cf::cfg_load;	3877	cf::reload_config;
1974	cf::db_load;
1975		3878
1976	# load extensions
1977	warn "load extensions";	3879	warn "loading extensions";
1978	cf::load_extensions;	3880	cf::load_extensions;
1979		3881
1980	# reattach attachments to objects	3882	if ($REATTACH_ON_RELOAD) {
		3883	warn "reattaching attachments to objects/players";
		3884	_global_reattach; # objects, sockets
		3885	warn "reattaching attachments to maps";
		3886	reattach $_ for values %MAP;
		3887	warn "reattaching attachments to players";
		3888	reattach $_ for values %PLAYER;
		3889	}
		3890
		3891	warn "running post_init jobs";
		3892	(pop @POST_INIT)->(1) while @POST_INIT;
		3893
		3894	warn "leaving sync_job";
		3895
		3896	1
		3897	} or do {
		3898	warn $@;
		3899	cf::cleanup "error while reloading, exiting.";
		3900	};
		3901
1981	warn "reattach";	3902	warn "reloaded";
1982	_global_reattach;	3903	--$RELOAD;
		3904	}
		3905
		3906	$t1 = AE::time - $t1;
		3907	warn "reload completed in ${t1}s\n";
		3908	};
		3909
		3910	our $RELOAD_WATCHER; # used only during reload
		3911
		3912	sub reload_perl() {
		3913	# doing reload synchronously and two reloads happen back-to-back,
		3914	# coro crashes during coro_state_free->destroy here.
		3915
		3916	$RELOAD_WATCHER ||= cf::async {
		3917	Coro::AIO::aio_wait cache_extensions;
		3918
		3919	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3920	do_reload_perl;
		3921	undef $RELOAD_WATCHER;
		3922	};
1983	};	3923	};
1984
1985	if ($@) {
1986	warn $@;
1987	warn "error while reloading, exiting.";
1988	exit 1;
1989	}
1990
1991	warn "reloaded successfully";
1992	};
1993
1994	#############################################################################
1995
1996	unless ($LINK_MAP) {
1997	$LINK_MAP = cf::map::new;
1998
1999	$LINK_MAP->width (41);
2000	$LINK_MAP->height (41);
2001	$LINK_MAP->alloc;
2002	$LINK_MAP->path ("{link}");
2003	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2004	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2005
2006	# dirty hack because... archetypes are not yet loaded
2007	Event->timer (
2008	after => 2,
2009	cb => sub {
2010	$_[0]->w->cancel;
2011
2012	# provide some exits "home"
2013	my $exit = cf::object::new "exit";
2014
2015	$exit->slaying ($EMERGENCY_POSITION->[0]);
2016	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2017	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2018
2019	$LINK_MAP->insert ($exit->clone, 19, 19);
2020	$LINK_MAP->insert ($exit->clone, 19, 20);
2021	$LINK_MAP->insert ($exit->clone, 19, 21);
2022	$LINK_MAP->insert ($exit->clone, 20, 19);
2023	$LINK_MAP->insert ($exit->clone, 20, 21);
2024	$LINK_MAP->insert ($exit->clone, 21, 19);
2025	$LINK_MAP->insert ($exit->clone, 21, 20);
2026	$LINK_MAP->insert ($exit->clone, 21, 21);
2027
2028	$exit->destroy;
2029	});
2030
2031	$LINK_MAP->{deny_save} = 1;
2032	$LINK_MAP->{deny_reset} = 1;
2033
2034	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2035	}	3924	}
2036
2037	register "<global>", __PACKAGE__;
2038		3925
2039	register_command "reload" => sub {	3926	register_command "reload" => sub {
2040	my ($who, $arg) = @_;	3927	my ($who, $arg) = @_;
2041		3928
2042	if ($who->flag (FLAG_WIZ)) {	3929	if ($who->flag (FLAG_WIZ)) {
2043	$who->message ("start of reload.");
2044	reload;
2045	$who->message ("end of reload.");	3930	$who->message ("reloading server.");
		3931	async {
		3932	$Coro::current->{desc} = "perl_reload";
		3933	reload_perl;
		3934	};
2046	}	3935	}
2047	};	3936	};
2048		3937
2049	unshift @INC, $LIBDIR;	3938	unshift @INC, $LIBDIR;
2050		3939
2051	$TICK_WATCHER = Event->timer (	3940	my $bug_warning = 0;
2052	reentrant => 0,	3941
2053	prio => 0,	3942	our @WAIT_FOR_TICK;
2054	at => $NEXT_TICK || $TICK,	3943	our @WAIT_FOR_TICK_BEGIN;
2055	data => WF_AUTOCANCEL,	3944
2056	cb => sub {	3945	sub wait_for_tick {
2057	unless ($FREEZE) {	3946	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3947
		3948	my $signal = new Coro::Signal;
		3949	push @WAIT_FOR_TICK, $signal;
		3950	$signal->wait;
		3951	}
		3952
		3953	sub wait_for_tick_begin {
		3954	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3955
		3956	my $signal = new Coro::Signal;
		3957	push @WAIT_FOR_TICK_BEGIN, $signal;
		3958	$signal->wait;
		3959	}
		3960
		3961	sub tick {
		3962	if ($Coro::current != $Coro::main) {
		3963	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3964	unless ++$bug_warning > 10;
		3965	return;
		3966	}
		3967
2058	cf::server_tick; # one server iteration	3968	cf::server_tick; # one server iteration
2059	$RUNTIME += $TICK;
2060	}
2061		3969
2062	$NEXT_TICK += $TICK;	3970	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2063		3971
2064	# if we are delayed by four ticks or more, skip them all	3972	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2065	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3973	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2066		3974	Coro::async_pool {
2067	$TICK_WATCHER->at ($NEXT_TICK);	3975	$Coro::current->{desc} = "runtime saver";
2068	$TICK_WATCHER->start;
2069	},
2070	);
2071
2072	IO::AIO::max_poll_time $TICK * 0.2;
2073
2074	Event->io (
2075	fd => IO::AIO::poll_fileno,
2076	poll => 'r',
2077	prio => 5,
2078	data => WF_AUTOCANCEL,
2079	cb => \&IO::AIO::poll_cb,
2080	);
2081
2082	Event->timer (
2083	data => WF_AUTOCANCEL,
2084	after => 0,
2085	interval => 10,
2086	cb => sub {
2087	(Coro::unblock_sub {
2088	write_runtime	3976	write_runtime_sync
2089	or warn "ERROR: unable to write runtime file: $!";	3977	or warn "ERROR: unable to write runtime file: $!";
2090	})->();	3978	};
2091	},	3979	}
2092	);	3980
		3981	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3982	$sig->send;
		3983	}
		3984	while (my $sig = shift @WAIT_FOR_TICK) {
		3985	$sig->send;
		3986	}
		3987
		3988	$LOAD = ($NOW - $TICK_START) / $TICK;
		3989	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3990
		3991	if (0) {
		3992	if ($NEXT_TICK) {
		3993	my $jitter = $TICK_START - $NEXT_TICK;
		3994	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3995	warn "jitter $JITTER\n";#d#
		3996	}
		3997	}
		3998	}
		3999
		4000	{
		4001	# configure BDB
		4002
		4003	BDB::min_parallel 16;
		4004	BDB::max_poll_reqs $TICK * 0.1;
		4005	$AnyEvent::BDB::WATCHER->priority (1);
		4006
		4007	unless ($DB_ENV) {
		4008	$DB_ENV = BDB::db_env_create;
		4009	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4010	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4011	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4012	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4013	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4014
		4015	cf::sync_job {
		4016	eval {
		4017	BDB::db_env_open
		4018	$DB_ENV,
		4019	$BDBDIR,
		4020	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4021	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4022	0666;
		4023
		4024	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4025	};
		4026
		4027	cf::cleanup "db_env_open(db): $@" if $@;
		4028	};
		4029	}
		4030
		4031	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4032	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4033	};
		4034	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4035	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4036	};
		4037	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4038	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4039	};
		4040	}
		4041
		4042	{
		4043	# configure IO::AIO
		4044
		4045	IO::AIO::min_parallel 8;
		4046	IO::AIO::max_poll_time $TICK * 0.1;
		4047	undef $AnyEvent::AIO::WATCHER;
		4048	}
		4049
		4050	my $_log_backtrace;
		4051
		4052	sub _log_backtrace {
		4053	my ($msg, @addr) = @_;
		4054
		4055	$msg =~ s/\n//;
		4056
		4057	# limit the # of concurrent backtraces
		4058	if ($_log_backtrace < 2) {
		4059	++$_log_backtrace;
		4060	my $perl_bt = Carp::longmess $msg;
		4061	async {
		4062	$Coro::current->{desc} = "abt $msg";
		4063
		4064	my @bt = fork_call {
		4065	@addr = map { sprintf "%x", $_ } @addr;
		4066	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4067	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4068	or die "addr2line: $!";
		4069
		4070	my @funcs;
		4071	my @res = <$fh>;
		4072	chomp for @res;
		4073	while (@res) {
		4074	my ($func, $line) = splice @res, 0, 2, ();
		4075	push @funcs, "[$func] $line";
		4076	}
		4077
		4078	@funcs
		4079	};
		4080
		4081	LOG llevInfo, "[ABT] $perl_bt\n";
		4082	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4083	LOG llevInfo, "[ABT] $_\n" for @bt;
		4084	--$_log_backtrace;
		4085	};
		4086	} else {
		4087	LOG llevInfo, "[ABT] $msg\n";
		4088	LOG llevInfo, "[ABT] [suppressed]\n";
		4089	}
		4090	}
		4091
		4092	# load additional modules
		4093	require "cf/$_.pm" for @EXTRA_MODULES;
		4094	cf::_connect_to_perl_2;
		4095
		4096	END { cf::emergency_save }
2093		4097
2094	1	4098	1
2095		4099

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