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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.117 by root, Mon Jan 1 17:50:26 2007 UTC vs.
Revision 1.566 by root, Sun May 1 16:58:16 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3;	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
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
		99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	123	our $NEXT_TICK;
45	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		132
47	our %CFG;	133	our %CFG;
48		134
49	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
51		138
52	our %MAP; # all maps	139	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	140	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	141	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	142
56	our %EXT_CORO;	143	# used to convert map paths into valid unix filenames by replacing / by ∕
		144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
57		155
58	binmode STDOUT;	156	binmode STDOUT;
59	binmode STDERR;	157	binmode STDERR;
60		158
61	# read virtual server time, if available	159	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
66	}	164	}
67		165
68	mkdir cf::localdir;	166	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		167
74	# a special map that is always available	168	mkdir $_
75	our $LINK_MAP;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76		170
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	171	our $EMERGENCY_POSITION;
		172
		173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
78		189
79	#############################################################################	190	#############################################################################
80		191
81	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
82		193
…		…
89	=item $cf::RUNTIME	200	=item $cf::RUNTIME
90		201
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	203	every server tick.
93		204
94	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		208
96	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
98		213
99	=item $cf::NOW	214	=item $cf::NOW
100		215
101	The time of the last (current) server tick.	216	The time of the last (current) server tick.
102		217
103	=item $cf::TICK	218	=item $cf::TICK
104		219
105	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
106		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
107	=item %cf::CFG	232	=item %cf::CFG
108		233
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	235	from wherever your confdir points to.
111		236
		237	=item cf::wait_for_tick, cf::wait_for_tick_begin
		238
		239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		240	returns directly I<after> the tick processing (and consequently, can only wake one thread
		241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
		259
112	=back	260	=back
113		261
114	=cut	262	=cut
115		263
116	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
117	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
118	my $msg = join "", @_;	271	my $msg = join "", @_;
119	utf8::encode $msg;
120		272
121	$msg .= "\n"	273	$msg .= "\n"
122	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
123		275
124	LOG llevError, "cfperl: $msg";	276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
125	};	277
126	}	278	LOG llevWarn, $msg;
		279	};
		280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
127		294
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		302
135	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	304	# within the Safe compartment.
137	for my $pkg (qw(	305	for my $pkg (qw(
138	cf::global cf::attachable	306	cf::global cf::attachable
139	cf::object cf::object::player	307	cf::object cf::object::player
140	cf::client cf::player	308	cf::client cf::player
141	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
142	cf::map cf::party cf::region	311	cf::party cf::region
143	)) {	312	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	314	}
147		315
148	$Event::DIED = sub {	316	$EV::DIED = sub {
149	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
150	};	318	};
151		319
152	my %ext_pkg;	320	#############################################################################
153	my @exts;	321
154	my @hook;	322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
155		326
156	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
157		328
158	=over 4	329	=over 4
159		330
160	=cut	331	=item dumpval $ref
161		332
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	333	=cut
163		334
		335	sub dumpval {
		336	eval {
		337	local $SIG{__DIE__};
		338	my $d;
		339	if (1) {
		340	$d = new Data::Dumper([$_[0]], ["*var"]);
		341	$d->Terse(1);
		342	$d->Indent(2);
		343	$d->Quotekeys(0);
		344	$d->Useqq(1);
		345	#$d->Bless(...);
		346	$d->Seen($_[1]) if @_ > 1;
		347	$d = $d->Dump();
		348	}
		349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		350	$d
		351	} || "[unable to dump $_[0]: '$@']";
		352	}
		353
		354	=item $scalar = load_file $path
		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
164	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
165		369
166	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
167		371
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	372	=item $json = cf::encode_json $ref
176		373
177	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
178		375
179	=cut	376	=cut
180		377
181	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
183	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
184	}	399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
		443	}
		444
		445	=item cf::lock_wait $string
		446
		447	Wait until the given lock is available. See cf::lock_acquire.
		448
		449	=item my $lock = cf::lock_acquire $string
		450
		451	Wait until the given lock is available and then acquires it and returns
		452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
		453	for example when the coroutine gets canceled), the lock is automatically
		454	returned.
		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
		459	Lock names should begin with a unique identifier (for example, cf::map::find
		460	uses map_find and cf::map::load uses map_load).
		461
		462	=item $locked = cf::lock_active $string
		463
		464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
		469
		470	sub lock_wait($) {
		471	$LOCKS->wait ($_[0]);
		472	}
		473
		474	sub lock_acquire($) {
		475	$LOCKS->guard ($_[0])
		476	}
		477
		478	sub lock_active($) {
		479	$LOCKS->count ($_[0]) < 1
		480	}
		481
		482	sub freeze_mainloop {
		483	tick_inhibit_inc;
		484
		485	&Guard::guard (\&tick_inhibit_dec);
		486	}
		487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
		556	}
		557	};
		558
		559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
		572	}
		573
		574	=item cf::async { BLOCK }
		575
		576	Currently the same as Coro::async_pool, meaning you cannot use
		577	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		578	thing you are allowed to do is call C<prio> on it.
		579
		580	=cut
		581
		582	BEGIN { *async = \&Coro::async_pool }
185		583
186	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
187		585
188	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	587	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.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
191		590
192	If it must be done, put the blocking parts into C<sync_job>. This will run	591	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	592	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	593	server will be frozen during this time, so the block should either finish
195	fast or be very important.	594	fast or be very important.
…		…
197	=cut	596	=cut
198		597
199	sub sync_job(&) {	598	sub sync_job(&) {
200	my ($job) = @_;	599	my ($job) = @_;
201		600
202	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
203	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
205		606
206	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
207	# (but this is cancel-safe)	608
208	local $FREEZE = 1;	609	my $freeze_guard = freeze_mainloop;
209		610
210	my $busy = 1;	611	my $busy = 1;
211	my @res;	612	my @res;
212		613
213	(Coro::async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
214	@res = eval { $job->() };	616	@res = eval { $job->() };
215	warn $@ if $@;	617	error $@ if $@;
216	undef $busy;	618	undef $busy;
217	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
218		620
219	while ($busy) {	621	while ($busy) {
		622	if (Coro::nready) {
220	Coro::cede_notself;	623	Coro::cede_notself;
221	Event::one_event unless Coro::nready;	624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
222	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
223		632
224	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
225	} else {	634	} else {
226	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
227		636
228	$job->()	637	$job->()
229	}	638	}
230	}	639	}
231		640
232	=item $coro = cf::coro { BLOCK }	641	=item $coro = cf::async_ext { BLOCK }
233		642
234	Creates and returns a new coro. This coro is automcatially being canceled	643	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	644	extension calling this is being unloaded.
236		645
237	=cut	646	=cut
238		647
239	sub coro(&) {	648	sub async_ext(&) {
240	my $cb = shift;	649	my $cb = shift;
241		650
242	my $coro; $coro = async {	651	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		652
249	$coro->on_destroy (sub {	653	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	654	delete $EXT_CORO{$coro+0};
251	});	655	});
252	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
253		657
254	$coro	658	$coro
255	}	659	}
256		660
257	sub write_runtime {	661	=item fork_call { }, @args
258	my $runtime = cf::localdir . "/runtime";
259		662
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
261	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
262		667
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		669
267	aio_fsync $fh	670	sub post_fork {
268	and return;	671	reset_signals;
		672	}
269		673
270	close $fh	674	sub fork_call(&@) {
271	or return;	675	my ($cb, @args) = @_;
272		676
273	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
274	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
275		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
276	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
277	}	864	}
278		865
279	=back	866	=back
280		867
281	=cut	868	=cut
282		869
283	#############################################################################	870	#############################################################################
284		871
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	872	=head2 ATTACHABLE OBJECTS
406		873
407	Many objects in crossfire are so-called attachable objects. That means you can	874	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")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
409	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
410		877
411	In the following description, CLASS can be any of C<global>, C<object>	878	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	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
413	crossfire+).	880	Deliantra).
414		881
415	=over 4	882	=over 4
416		883
417	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
418		885
…		…
462	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
463		930
464	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
465	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
466		933
467	Some classes such as crossfire maps and objects can specify attachments	934	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.	935	that are attached at load/instantiate time, thus the need for a name.
469		936
470	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
471		938
472	=over 4	939	=over 4
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	999	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	1000	our @CB_MAP = ();
534		1001
535	my %attachment;	1002	my %attachment;
536		1003
		1004	sub cf::attachable::thawer_merge {
		1005	# simply override everything except _meta
		1006	local $_[0]{_meta};
		1007	%{$_[0]} = %{$_[1]};
		1008	}
		1009
537	sub _attach_cb($$$$) {	1010	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	1011	my ($registry, $event, $prio, $cb) = @_;
539		1012
540	use sort 'stable';	1013	use sort 'stable';
541		1014
…		…
575	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
576		1049
577	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
578	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
579	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
580	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
581		1054
582	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
583	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
584		1057
585	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
590		1063
591	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
592	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
593		1066
594	} elsif (ref $type) {	1067	} elsif (ref $type) {
595	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
596		1069
597	} else {	1070	} else {
598	shift @arg;	1071	shift @arg;
599	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
600	}	1073	}
601	}	1074	}
602	}	1075	}
603		1076
604	sub _object_attach {	1077	sub _object_attach {
…		…
614	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
615	}	1088	}
616		1089
617	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
618	} else {	1091	} else {
619	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
620	}	1093	}
621		1094
622	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
623	}	1096	}
624		1097
…		…
626	if (ref $_[0]) {	1099	if (ref $_[0]) {
627	_object_attach @_;	1100	_object_attach @_;
628	} else {	1101	} else {
629	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
630	}	1103	}
		1104	_recalc_want;
631	};	1105	};
632		1106
633	# all those should be optimised	1107	# all those should be optimised
634	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
635	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
638	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
639	reattach ($obj);	1113	reattach ($obj);
640	} else {	1114	} else {
641	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
642	}	1116	}
		1117	_recalc_want;
643	};	1118	};
644		1119
645	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
646	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
647		1122
…		…
662	";	1137	";
663	die if $@;	1138	die if $@;
664	}	1139	}
665		1140
666	our $override;	1141	our $override;
667	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
668		1143
669	sub override {	1144	sub override {
670	$override = 1;	1145	$override = 1;
671	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
672	}	1147	}
673		1148
674	sub do_invoke {	1149	sub do_invoke {
675	my $event = shift;	1150	my $event = shift;
676	my $callbacks = shift;	1151	my $callbacks = shift;
677		1152
678	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
679		1154
680	local $override;	1155	local $override;
681		1156
682	for (@$callbacks) {	1157	for (@$callbacks) {
683	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
684		1159
685	if ($@) {	1160	if ($@) {
686	warn "$@";
687	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
688	override;	1162	override;
689	}	1163	}
690		1164
691	return 1 if $override;	1165	return 1 if $override;
692	}	1166	}
693		1167
694	0	1168	0
695	}	1169	}
696		1170
697	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
698		1172
699	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
700		1174
701	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
702		1176
703	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	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	1178	removed in future versions), and there is no public API to access override
705	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
706		1180
707	=back	1181	=back
708		1182
709	=cut	1183	=cut
710		1184
711	#############################################################################	1185	#############################################################################
712	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
713		1229
714	sub reattach {	1230	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	1232	my ($obj) = @_;
		1233
		1234	# no longer needed after getting rid of delete_package?
		1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1236
718	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
719		1238
720	@$registry = ();	1239	@$registry = ();
721		1240
…		…
726	for (@$attach) {	1245	for (@$attach) {
727	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
728	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
729	}	1248	}
730	} else {	1249	} else {
731	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
732	}	1251	}
733	}	1252	}
734	}	1253	}
735		1254
736	cf::attachable->attach (	1255	cf::attachable->attach (
737	prio => -1000000,	1256	prio => -1000000,
738	on_instantiate => sub {	1257	on_instantiate => sub {
739	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
740		1259
741	$data = from_json $data;	1260	$data = decode_json $data;
742		1261
743	for (@$data) {	1262	for (@$data) {
744	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
745		1264
746	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1281	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
764		1283
765	sync_job {	1284	sync_job {
766	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
769		1290
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1294	if ($cf::USE_FSYNC) {
		1295	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;	1296	aio_fsync $fh;
		1297	}
774	close $fh;	1298	aio_close $fh;
775		1299
776	if (@$objs) {	1300	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
		1305	if ($cf::USE_FSYNC) {
		1306	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;	1307	aio_fsync $fh;
		1308	}
782	close $fh;	1309	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
784	}	1311	}
785	} else {	1312	} else {
786	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
787	}	1314	}
788		1315
789	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
790	} else {	1320	} else {
791	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
792	}	1322	}
793	} else {	1323	} else {
794	aio_unlink $filename;	1324	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
796	}	1326	}
797	}	1327	};
798	}	1328	}
799		1329
800	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
802		1332
…		…
814	or return;	1344	or return;
815		1345
816	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
818	or return;	1348	or return;
		1349
819	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
820	}	1352	}
821		1353
		1354	utf8::decode (my $decname = $filename);
		1355	trace sprintf "loading %s (%d,%d)\n",
		1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
822	return ($data, $av);	1359	($data, $av)
823	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
824		1367
825	#############################################################################	1368	#############################################################################
826	# command handling &c	1369	# command handling &c
827		1370
828	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1385	}
843		1386
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1388
846	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
847		1394
848	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
849	called.	1396	called.
850		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
851	=cut	1409	=cut
852		1410
853	sub register_extcmd {	1411	sub register_extcmd {
854	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
855		1413
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	1414	$EXTCMD{$name} = $cb;
860	}	1415	}
		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
861		1424
862	cf::player->attach (	1425	cf::player->attach (
863	on_command => sub {	1426	on_unknown_command => sub {
864	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
865		1428
866	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
867	or return;	1430	or return;
868		1431
…		…
873	cf::override;	1436	cf::override;
874	},	1437	},
875	on_extcmd => sub {	1438	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
877		1440
878	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1442
880	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
886	} else {	1458	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1460	}
889		1461
890	cf::override;	1462	cf::override;
891	},	1463	},
892	);	1464	);
893		1465
894	sub register {	1466	# "readahead" all extensions
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	1467	sub cache_extensions {
901	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
902		1469
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
904	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
905	my $pkg = $1;	1472	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	}	1473	}
953	}	1474	};
954		1475
955	# remove extcmds	1476	$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	}	1477	}
969		1478
970	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
971	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	1486	next unless -r $path;
973	eval {	1487
974	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
975	1	1551	}
976	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
977	}	1564	};
978	}	1565	}
979		1566
980	#############################################################################	1567	#############################################################################
981	# load/save/clean perl data associated with a map
982		1568
983	*cf::mapsupport::on_clean = sub {	1569	=back
		1570
		1571	=head2 CORE EXTENSIONS
		1572
		1573	Functions and methods that extend core deliantra objects.
		1574
		1575	=cut
		1576
		1577	package cf::player;
		1578
		1579	use Coro::AIO;
		1580
		1581	=head3 cf::player
		1582
		1583	=over 4
		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
		1599	=item cf::player::find $login
		1600
		1601	Returns the given player object, loading it if necessary (might block).
		1602
		1603	=cut
		1604
		1605	sub playerdir($) {
		1606	"$PLAYERDIR/"
		1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1608	}
		1609
		1610	sub path($) {
		1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1612
		1613	(playerdir $login) . "/playerdata"
		1614	}
		1615
		1616	sub find_active($) {
		1617	$cf::PLAYER{$_[0]}
		1618	and $cf::PLAYER{$_[0]}->active
		1619	and $cf::PLAYER{$_[0]}
		1620	}
		1621
		1622	sub exists($) {
984	my ($map) = @_;	1623	my ($login) = @_;
985		1624
986	my $path = $map->tmpname;	1625	$cf::PLAYER{$login}
987	defined $path or return;	1626	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	}	1627	}
1000		1628
1001	# TODO: compatibility cruft, remove when no longer needed	1629	sub find($) {
		1630	return $cf::PLAYER{$_[0]} || do {
		1631	my $login = $_[0];
		1632
		1633	my $guard = cf::lock_acquire "user_find:$login";
		1634
		1635	$cf::PLAYER{$_[0]} || do {
		1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
		1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
		1651	$cf::PLAYER{$login} = $pl
		1652	}
		1653	}
		1654	}
		1655
1002	cf::player->attach (	1656	cf::player->attach (
1003	on_load => sub {	1657	on_load => sub {
1004	my ($pl, $path) = @_;	1658	my ($pl, $path) = @_;
1005		1659
1006	for my $o (all_objects $pl->ob) {	1660	# restore slots saved in save, below
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1661	my $slots = delete $pl->{_slots};
1008	$o->set_ob_key_value ("_perl_data");
1009		1662
1010	%$o = %{ Storable::thaw pack "H*", $value };	1663	$pl->ob->current_weapon ($slots->[0]);
1011	}	1664	$pl->combat_ob ($slots->[1]);
1012	}	1665	$pl->ranged_ob ($slots->[2]);
1013	},	1666	},
1014	);	1667	);
1015		1668
1016	#############################################################################	1669	sub save($) {
		1670	my ($pl) = @_;
1017		1671
1018	=head2 CORE EXTENSIONS	1672	return if $pl->{deny_save};
1019		1673
1020	Functions and methods that extend core crossfire objects.	1674	my $path = path $pl;
		1675	my $guard = cf::lock_acquire "user_save:$path";
1021		1676
1022	=head3 cf::player	1677	return if $pl->{deny_save};
		1678
		1679	aio_mkdir playerdir $pl, 0770;
		1680	$pl->{last_save} = $cf::RUNTIME;
		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
		1687	$pl->save_pl ($path);
		1688	cf::cede_to_tick;
		1689	}
		1690
		1691	sub new($) {
		1692	my ($login) = @_;
		1693
		1694	my $self = create;
		1695
		1696	$self->ob->name ($login);
		1697	$self->{deny_save} = 1;
		1698
		1699	$cf::PLAYER{$login} = $self;
		1700
		1701	$self
		1702	}
		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
		1714	=item $pl->quit_character
		1715
		1716	Nukes the player without looking back. If logged in, the connection will
		1717	be destroyed. May block for a long time.
		1718
		1719	=cut
		1720
		1721	sub quit_character {
		1722	my ($pl) = @_;
		1723
		1724	my $name = $pl->ob->name;
		1725
		1726	$pl->{deny_save} = 1;
		1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1728
		1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
		1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
		1736	$pl->ns->destroy if $pl->ns;
		1737
		1738	my $path = playerdir $pl;
		1739	my $temp = "$path~$cf::RUNTIME~deleting~";
		1740	aio_rename $path, $temp;
		1741	delete $cf::PLAYER{$pl->ob->name};
		1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
		1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
		1764	}
		1765
		1766	=item cf::player::list_logins
		1767
		1768	Returns am arrayref of all valid playernames in the system, can take a
		1769	while and may block, so not sync_job-capable, ever.
		1770
		1771	=cut
		1772
		1773	sub list_logins {
		1774	my $dirs = aio_readdir $PLAYERDIR
		1775	or return [];
		1776
		1777	my @logins;
		1778
		1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
		1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1786	aio_read $fh, 0, 512, my $buf, 0 or next;
		1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
		1789
		1790	utf8::decode $login;
		1791	push @logins, $login;
		1792	}
		1793
		1794	\@logins
		1795	}
		1796
		1797	=item $player->maps
		1798
		1799	=item cf::player::maps $login
		1800
		1801	Returns an arrayref of map paths that are private for this
		1802	player. May block.
		1803
		1804	=cut
		1805
		1806	sub maps($) {
		1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
		1810
		1811	my $files = aio_readdir playerdir $pl
		1812	or return;
		1813
		1814	my @paths;
		1815
		1816	for (@$files) {
		1817	utf8::decode $_;
		1818	next if /\.(?:pl|pst)$/;
		1819	next unless /^$PATH_SEP/o;
		1820
		1821	push @paths, cf::map::normalise "~$pl/$_";
		1822	}
		1823
		1824	\@paths
		1825	}
		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
		1831	=item $player->ext_reply ($msgid, @msg)
		1832
		1833	Sends an ext reply to the player.
		1834
		1835	=cut
		1836
		1837	sub ext_reply($$@) {
		1838	my ($self, $id, @msg) = @_;
		1839
		1840	$self->ns->ext_reply ($id, @msg)
		1841	}
		1842
		1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
1023		1856
1024	=over 4	1857	=over 4
1025		1858
1026	=item cf::player::exists $login
1027
1028	Returns true when the given account exists.
1029
1030	=cut	1859	=cut
1031		1860
1032	sub cf::player::exists($) {	1861	package cf::region;
1033	cf::player::find $_[0]
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1035	}
1036		1862
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1863	=item cf::region::find_by_path $path
1038		1864
1039	Sends an ext reply to the player.	1865	Tries to decuce the likely region for a map knowing only its path.
1040		1866
1041	=cut	1867	=cut
1042		1868
1043	sub cf::player::ext_reply($$$%) {	1869	sub find_by_path($) {
1044	my ($self, $id, %msg) = @_;	1870	my ($path) = @_;
1045		1871
1046	$msg{msgid} = $id;	1872	$path =~ s/^~[^\/]*//; # skip ~login
1047		1873
1048	$self->send ("ext " . to_json \%msg);	1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
1049	}	1884	}
1050		1885
1051	=back	1886	=back
1052
1053		1887
1054	=head3 cf::map	1888	=head3 cf::map
1055		1889
1056	=over 4	1890	=over 4
1057		1891
…		…
1060	package cf::map;	1894	package cf::map;
1061		1895
1062	use Fcntl;	1896	use Fcntl;
1063	use Coro::AIO;	1897	use Coro::AIO;
1064		1898
		1899	use overload
		1900	'""' => \&as_string,
		1901	fallback => 1;
		1902
1065	our $MAX_RESET = 7200;	1903	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1904	our $DEFAULT_RESET = 3000;
1067		1905
1068	sub generate_random_map {	1906	sub generate_random_map {
		1907	my ($self, $rmp) = @_;
		1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
		1911	$self->_create_random_map ($rmp);
		1912	}
		1913
		1914	=item cf::map->register ($regex, $prio)
		1915
		1916	Register a handler for the map path matching the given regex at the
		1917	givne priority (higher is better, built-in handlers have priority 0, the
		1918	default).
		1919
		1920	=cut
		1921
		1922	sub register {
		1923	my (undef, $regex, $prio) = @_;
		1924	my $pkg = caller;
		1925
		1926	push @{"$pkg\::ISA"}, __PACKAGE__;
		1927
		1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1929	}
		1930
		1931	# also paths starting with '/'
		1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1933
		1934	sub thawer_merge {
		1935	my ($self, $merge) = @_;
		1936
		1937	# we have to keep some variables in memory intact
		1938	local $self->{path};
		1939	local $self->{load_path};
		1940
		1941	$self->SUPER::thawer_merge ($merge);
		1942	}
		1943
		1944	sub normalise {
1069	my ($path, $rmp) = @_;	1945	my ($path, $base) = @_;
1070		1946
1071	# mit "rum" bekleckern, nicht	1947	$path = "$path"; # make sure it's a string
1072	cf::map::_create_random_map	1948
		1949	$path =~ s/\.map$//;
		1950
		1951	# map plan:
		1952	#
		1953	# /! non-realised random map exit (special hack!)
		1954	# {... are special paths that are not being touched
		1955	# ?xxx/... are special absolute paths
		1956	# ?random/... random maps
		1957	# /... normal maps
		1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
		1960
		1961	$path =~ s/$PATH_SEP/\//go;
		1962
		1963	# treat it as relative path if it starts with
		1964	# something that looks reasonable
		1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1967
		1968	$base =~ s{[^/]+/?$}{};
		1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
		1984	}
		1985
		1986	for ($path) {
		1987	redo if s{/\.?/}{/};
		1988	redo if s{/[^/]+/\.\./}{/};
		1989	}
		1990
1073	$path,	1991	$path
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})
1085	}	1992	}
1086		1993
1087	# and all this just because we cannot iterate over	1994	sub new_from_path {
1088	# all maps in C++...	1995	my (undef, $path, $base) = @_;
1089	sub change_all_map_light {	1996
		1997	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1998
		1999	$path = normalise $path, $base;
		2000
		2001	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		2002	if ($path =~ $EXT_MAP{$pkg}[1]) {
		2003	my $self = bless cf::map::new, $pkg;
		2004	$self->{path} = $path; $self->path ($path);
		2005	$self->init; # pass $1 etc.
		2006	return $self;
		2007	}
		2008	}
		2009
		2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
		2011	()
		2012	}
		2013
		2014	# may re-bless or do other evil things
		2015	sub init {
1090	my ($change) = @_;	2016	my ($self) = @_;
1091		2017
1092	$_->change_map_light ($change) for values %cf::MAP;	2018	$self
1093	}	2019	}
1094		2020
		2021	sub as_string {
		2022	my ($self) = @_;
		2023
		2024	"$self->{path}"
		2025	}
		2026
		2027	# the displayed name, this is a one way mapping
		2028	sub visible_name {
		2029	&as_string
		2030	}
		2031
		2032	# the original (read-only) location
		2033	sub load_path {
		2034	my ($self) = @_;
		2035
		2036	"$MAPDIR/$self->{path}.map"
		2037	}
		2038
		2039	# the temporary/swap location
		2040	sub save_path {
		2041	my ($self) = @_;
		2042
		2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2044	"$TMPDIR/$path.map"
		2045	}
		2046
		2047	# the unique path, undef == no special unique path
		2048	sub uniq_path {
		2049	my ($self) = @_;
		2050
		2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2052	"$UNIQUEDIR/$path"
		2053	}
		2054
		2055	sub decay_objects {
		2056	my ($self) = @_;
		2057
		2058	return if $self->{deny_reset};
		2059
		2060	$self->do_decay_objects;
		2061	}
		2062
		2063	sub unlink_save {
		2064	my ($self) = @_;
		2065
		2066	utf8::encode (my $save = $self->save_path);
		2067	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2068	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2069	}
		2070
1095	sub try_load_header($) {	2071	sub load_header_from($) {
1096	my ($path) = @_;	2072	my ($self, $path) = @_;
1097		2073
1098	utf8::encode $path;	2074	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1100	or return;	2076	or return;
1101		2077
1102	my $map = cf::map::new	2078	$self->_load_header ($f)
1103	or return;	2079	or return;
1104		2080
1105	$map->load_header ($path)	2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
		2084	$self->{load_path} = $path;
		2085
		2086	1
		2087	}
		2088
		2089	# used to laod the header of an original map
		2090	sub load_header_orig {
		2091	my ($self) = @_;
		2092
		2093	$self->load_header_from ($self->load_path)
		2094	}
		2095
		2096	# used to laod the header of an instantiated map
		2097	sub load_header_temp {
		2098	my ($self) = @_;
		2099
		2100	$self->load_header_from ($self->save_path)
		2101	}
		2102
		2103	# called after loading the header from an instantiated map
		2104	sub prepare_temp {
		2105	my ($self) = @_;
		2106
		2107	$self->last_access ((delete $self->{last_access})
		2108	|| $cf::RUNTIME); #d#
		2109	# safety
		2110	$self->{instantiate_time} = $cf::RUNTIME
		2111	if $self->{instantiate_time} > $cf::RUNTIME;
		2112	}
		2113
		2114	# called after loading the header from an original map
		2115	sub prepare_orig {
		2116	my ($self) = @_;
		2117
		2118	$self->{load_original} = 1;
		2119	$self->{instantiate_time} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121	$self->instantiate;
		2122	}
		2123
		2124	sub load_header {
		2125	my ($self) = @_;
		2126
		2127	if ($self->load_header_temp) {
		2128	$self->prepare_temp;
		2129	} else {
		2130	$self->load_header_orig
1106	or return;	2131	or return;
		2132	$self->prepare_orig;
		2133	}
1107		2134
1108	$map->{load_path} = $path;	2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
1109		2137
1110	$map	2138	$self->default_region (cf::region::find_by_path $self->{path})
1111	}	2139	unless $self->default_region;
1112		2140
		2141	1
		2142	}
		2143
		2144	sub find;
1113	sub find_map {	2145	sub find {
1114	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1115		2147
1116	#warn "find_map<$path,$origin>\n";#d#	2148	cf::cede_to_tick;
1117		2149
1118	$path = new cf::path $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1119	my $key = $path->as_string;
1120		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
		2153	my $guard2 = cf::lock_acquire "map_find:$path";
		2154
1121	$cf::MAP{$key} || do {	2155	$cf::MAP{$path} || do {
1122	# do it the slow way	2156	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;	2157	or return;
1137		2158
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_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1149	$map->last_access ($cf::RUNTIME);
1150		2160
1151	if ($map->should_reset) {	2161	$map->load_header
		2162	or return;
		2163
		2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2165	# doing this can freeze the server in a sync job, obviously
		2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1152	$map->reset;	2169	$map->reset;
1153	$map = find_map $path;	2170	return find $path;
1154	}	2171	}
1155		2172
1156	$cf::MAP{$key} = $map	2173	$cf::MAP{$path} = $map
1157	}	2174	}
1158	}	2175	}
		2176
		2177	sub pre_load { }
		2178	#sub post_load { } # XS
1159		2179
1160	sub load {	2180	sub load {
1161	my ($self) = @_;	2181	my ($self) = @_;
1162		2182
1163	return if $self->in_memory != cf::MAP_SWAPPED;	2183	local $self->{deny_reset} = 1; # loading can take a long time
1164
1165	$self->in_memory (cf::MAP_LOADING);
1166		2184
1167	my $path = $self->{path};	2185	my $path = $self->{path};
1168		2186
		2187	{
		2188	my $guard = cf::lock_acquire "map_data:$path";
		2189
		2190	return unless $self->valid;
		2191	return unless $self->in_memory == cf::MAP_SWAPPED;
		2192
		2193	$self->in_memory (cf::MAP_LOADING);
		2194
1169	$self->alloc;	2195	$self->alloc;
1170	$self->load_objects ($self->{load_path}, 1)	2196
		2197	$self->pre_load;
		2198	cf::cede_to_tick;
		2199
		2200	if (exists $self->{load_path}) {
		2201	my $f = new_from_file cf::object::thawer $self->{load_path};
		2202	$f->skip_block;
		2203	$self->_load_objects ($f)
1171	or return;	2204	or return;
1172		2205
1173	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1174	if delete $self->{load_original};	2207	if delete $self->{load_original};
1175		2208
1176	if (my $uniq = $path->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1177	utf8::encode $uniq;	2210	utf8::encode $uniq;
1178	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1179	$self->clear_unique_items;	2213	$self->clear_unique_items;
1180	$self->load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1181	}	2218	}
1182	}
1183		2219
		2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
		2225
		2226	cf::cede_to_tick;
1184	# now do the right thing for maps	2227	# now do the right thing for maps
1185	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1186
1187	if ($self->{path}->is_style_map) {
1188	$self->{deny_save} = 1;
1189	$self->{deny_reset} = 1;
1190	} else {
1191	$self->fix_auto_apply;
1192	$self->decay_objects;
1193	$self->update_buttons;
1194	$self->set_darkness_map;
1195	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1196	unless $self->difficulty;	2230	unless $self->difficulty;
		2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1197	$self->activate;	2238	$self->activate;
1198	}	2239	}
1199		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
1200	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
1201	}	2245	}
1202		2246
1203	sub load_map_sync {	2247	$self->post_load;
		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
		2255	sub customise_for {
		2256	my ($self, $ob) = @_;
		2257
		2258	return find "~" . $ob->name . "/" . $self->{path}
		2259	if $self->per_player;
		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
		2264	$self
		2265	}
		2266
		2267	# find and load all maps in the 3x3 area around a map
		2268	sub load_neighbours {
		2269	my ($map) = @_;
		2270
		2271	my @neigh; # diagonal neighbours
		2272
		2273	for (0 .. 3) {
		2274	my $neigh = $map->tile_path ($_)
		2275	or next;
		2276	$neigh = find $neigh, $map
		2277	or next;
		2278	$neigh->load;
		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
		2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2284	}
		2285
		2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
		2288	my $neigh = find $path, $origin
		2289	or next;
		2290	$neigh->load;
		2291	}
		2292	}
		2293
		2294	sub find_sync {
1204	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1205		2296
1206	#warn "load_map_sync<$path, $origin>\n";#d#	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
1207		2299
1208	cf::sync_job {	2300	find $path, $origin
1209	my $map = cf::map::find_map $path, $origin	2301	}
1210	or return;	2302
		2303	sub do_load_sync {
		2304	my ($map) = @_;
		2305
		2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
1211	$map->load;	2309	$map->load;
1212	$map	2310	}
		2311
		2312	our %MAP_PREFETCH;
		2313	our $MAP_PREFETCHER = undef;
		2314
		2315	sub find_async {
		2316	my ($path, $origin, $load) = @_;
		2317
		2318	$path = normalise $path, $origin;
		2319
		2320	if (my $map = $cf::MAP{$path}) {
		2321	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2322	}
		2323
		2324	$MAP_PREFETCH{$path} |= $load;
		2325
		2326	$MAP_PREFETCHER ||= cf::async {
		2327	$Coro::current->{desc} = "map prefetcher";
		2328
		2329	while (%MAP_PREFETCH) {
		2330	while (my ($k, $v) = each %MAP_PREFETCH) {
		2331	if (my $map = find $k) {
		2332	$map->load if $v;
		2333	}
		2334
		2335	delete $MAP_PREFETCH{$k};
		2336	}
		2337	}
		2338	undef $MAP_PREFETCHER;
		2339	};
		2340	$MAP_PREFETCHER->prio (6);
		2341
		2342	()
		2343	}
		2344
		2345	# common code, used by both ->save and ->swapout
		2346	sub _save {
		2347	my ($self) = @_;
		2348
		2349	$self->{last_save} = $cf::RUNTIME;
		2350
		2351	return unless $self->dirty;
		2352
		2353	my $save = $self->save_path; utf8::encode $save;
		2354	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2355
		2356	$self->{load_path} = $save;
		2357
		2358	return if $self->{deny_save};
		2359
		2360	local $self->{last_access} = $self->last_access;#d#
		2361
		2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
		2364	$_->contr->save for $self->players;
		2365	};
		2366
		2367	cf::get_slot 0.02;
		2368
		2369	if ($uniq) {
		2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2372	} else {
		2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1213	}	2374	}
1214	}	2375	}
1215		2376
1216	sub save {	2377	sub save {
1217	my ($self) = @_;	2378	my ($self) = @_;
1218		2379
1219	$self->{last_save} = $cf::RUNTIME;	2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
1220		2381
1221	return unless $self->dirty;	2382	$self->_save;
1222
1223	my $save = $self->{path}->save_path; utf8::encode $save;
1224	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1225
1226	$self->{load_path} = $save;
1227
1228	return if $self->{deny_save};
1229
1230	if ($uniq) {
1231	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1232	$self->save_objects ($uniq, cf::IO_UNIQUES);
1233	} else {
1234	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1235	}
1236	}	2383	}
1237		2384
1238	sub swap_out {	2385	sub swap_out {
1239	my ($self) = @_;	2386	my ($self) = @_;
1240		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1241	return if $self->players;	2392	return if $self->players;
1242	return if $self->in_memory != cf::MAP_IN_MEMORY;
1243	return if $self->{deny_save};
1244		2393
		2394	# first deactivate the map and "unlink" it from the core
		2395	$self->deactivate;
		2396	$_->clear_links_to ($self) for values %cf::MAP;
		2397	$self->in_memory (cf::MAP_SWAPPED);
		2398
		2399	# then atomically save
1245	$self->save;	2400	$self->_save;
		2401
		2402	# then free the map
1246	$self->clear;	2403	$self->clear;
1247	$self->in_memory (cf::MAP_SWAPPED);
1248	}	2404	}
1249		2405
1250	sub reset_at {	2406	sub reset_at {
1251	my ($self) = @_;	2407	my ($self) = @_;
1252		2408
1253	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1254	return 1e99 if $self->{path}{user_rel};
1255	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1256		2411
1257	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1258	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1259		2414
…		…
1264	my ($self) = @_;	2419	my ($self) = @_;
1265		2420
1266	$self->reset_at <= $cf::RUNTIME	2421	$self->reset_at <= $cf::RUNTIME
1267	}	2422	}
1268		2423
1269	sub unlink_save {
1270	my ($self) = @_;
1271
1272	utf8::encode (my $save = $self->{path}->save_path);
1273	aioreq_pri 3; IO::AIO::aio_unlink $save;
1274	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1275	}
1276
1277	sub rename {
1278	my ($self, $new_path) = @_;
1279
1280	$self->unlink_save;
1281
1282	delete $cf::MAP{$self->path};
1283	$self->{path} = new cf::path $new_path;
1284	$self->path ($self->{path}->as_string);
1285	$cf::MAP{$self->path} = $self;
1286
1287	$self->save;
1288	}
1289
1290	sub reset {	2424	sub reset {
1291	my ($self) = @_;	2425	my ($self) = @_;
1292		2426
		2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2428
1293	return if $self->players;	2429	return if $self->players;
1294	return if $self->{path}{user_rel};#d#
1295		2430
1296	warn "resetting map ", $self->path;#d#	2431	cf::trace "resetting map ", $self->path, "\n";
		2432
		2433	$self->in_memory (cf::MAP_SWAPPED);
		2434
		2435	# need to save uniques path
		2436	unless ($self->{deny_save}) {
		2437	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2438
		2439	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2440	if $uniq;
		2441	}
1297		2442
1298	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1299		2444
		2445	$self->deactivate;
1300	$_->clear_links_to ($self) for values %cf::MAP;	2446	$_->clear_links_to ($self) for values %cf::MAP;
		2447	$self->clear;
1301		2448
1302	$self->unlink_save;	2449	$self->unlink_save;
1303	$self->destroy;	2450	$self->destroy;
1304	}	2451	}
1305		2452
1306	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1307		2454
1308	sub nuke {	2455	sub nuke {
1309	my ($self) = @_;	2456	my ($self) = @_;
1310		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
		2461	delete $cf::MAP{$self->path};
		2462
		2463	$self->unlink_save;
		2464
		2465	bless $self, "cf::map::wrap";
		2466	delete $self->{deny_reset};
1311	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1312	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1313	$self->rename ("{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2470
		2471	$cf::MAP{$self->path} = $self;
		2472	}
		2473
1314	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
1315	}	2475	}
1316		2476
1317	sub customise_for {	2477	=item $maps = cf::map::tmp_maps
1318	my ($map, $ob) = @_;
1319		2478
1320	if ($map->per_player) {	2479	Returns an arrayref with all map paths of currently instantiated and saved
1321	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
1322	}	2485	[
1323		2486	map {
1324	$map	2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
1325	}	2493	}
1326		2494
1327	sub emergency_save {	2495	=item $maps = cf::map::random_maps
1328	local $cf::FREEZE = 1;
1329		2496
1330	warn "enter emergency map save\n";	2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
1331		2499
1332	cf::sync_job {	2500	=cut
1333	warn "begin emergency map save\n";	2501
1334	$_->save for values %cf::MAP;	2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
		2511	}
		2512
		2513	=item cf::map::unique_maps
		2514
		2515	Returns an arrayref of paths of all shared maps that have
		2516	instantiated unique items. May block.
		2517
		2518	=cut
		2519
		2520	sub unique_maps() {
		2521	[
		2522	map {
		2523	utf8::decode $_;
		2524	s/\.map$//; # TODO future compatibility hack
		2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2526	? ()
		2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
		2529	]
		2530	}
		2531
		2532	=item cf::map::static_maps
		2533
		2534	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2535	file in the shared directory excluding F</styles> and F</editor>). May
		2536	block.
		2537
		2538	=cut
		2539
		2540	sub static_maps() {
		2541	my @dirs = "";
		2542	my @maps;
		2543
		2544	while (@dirs) {
		2545	my $dir = shift @dirs;
		2546
		2547	next if $dir eq "/styles" || $dir eq "/editor";
		2548
		2549	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2550	or return;
		2551
		2552	for (@$files) {
		2553	s/\.map$// or next;
		2554	utf8::decode $_;
		2555	push @maps, "$dir/$_";
		2556	}
		2557
		2558	push @dirs, map "$dir/$_", @$dirs;
1335	};	2559	}
1336		2560
1337	warn "end emergency map save\n";	2561	\@maps
		2562	}
		2563
		2564	=back
		2565
		2566	=head3 cf::object
		2567
		2568	=cut
		2569
		2570	package cf::object;
		2571
		2572	=over 4
		2573
		2574	=item $ob->inv_recursive
		2575
		2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
		2578
		2579	=cut
		2580
		2581	sub inv_recursive_;
		2582	sub inv_recursive_ {
		2583	map { $_, inv_recursive_ $_->inv } @_
		2584	}
		2585
		2586	sub inv_recursive {
		2587	inv_recursive_ inv $_[0]
		2588	}
		2589
		2590	=item $ref = $ob->ref
		2591
		2592	Creates and returns a persistent reference to an object that can be stored as a string.
		2593
		2594	=item $ob = cf::object::deref ($refstring)
		2595
		2596	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2597	even if the object actually exists. May block.
		2598
		2599	=cut
		2600
		2601	sub deref {
		2602	my ($ref) = @_;
		2603
		2604	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2605	my ($uuid, $name) = ($1, $2);
		2606	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2607	or return;
		2608	$pl->ob->uuid eq $uuid
		2609	or return;
		2610
		2611	$pl->ob
		2612	} else {
		2613	warn "$ref: cannot resolve object reference\n";
		2614	undef
		2615	}
1338	}	2616	}
1339		2617
1340	package cf;	2618	package cf;
1341		2619
1342	=back	2620	=back
1343
1344		2621
1345	=head3 cf::object::player	2622	=head3 cf::object::player
1346		2623
1347	=over 4	2624	=over 4
1348		2625
…		…
1351	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1352	can be C<undef>. Does the right thing when the player is currently in a	2629	can be C<undef>. Does the right thing when the player is currently in a
1353	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1354		2631
1355	=cut	2632	=cut
		2633
		2634	our $SAY_CHANNEL = {
		2635	id => "say",
		2636	title => "Map",
		2637	reply => "say ",
		2638	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2639	};
		2640
		2641	our $CHAT_CHANNEL = {
		2642	id => "chat",
		2643	title => "Chat",
		2644	reply => "chat ",
		2645	tooltip => "Player chat and shouts, global to the server.",
		2646	};
1356		2647
1357	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1358	# with dialog boxes.	2649	# with dialog boxes.
1359	#TODO: the first argument must go, split into a $npc->reply_to ( method	2650	#TODO: the first argument must go, split into a $npc->reply_to ( method
1360	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1362		2653
1363	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1364		2655
1365	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1366	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1367	} else {	2659	} else {
		2660	my $pl = $self->contr;
		2661
		2662	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2663	my $dialog = $pl->{npc_dialog};
		2664	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2665
		2666	} else {
1368	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1369	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1370	}	2670	}
		2671	}
		2672
		2673	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2674
		2675	=cut
		2676
		2677	sub cf::object::send_msg {
		2678	my $pl = shift->contr
		2679	or return;
		2680	$pl->send_msg (@_);
1371	}	2681	}
1372		2682
1373	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1374		2684
1375	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1388		2698
1389	=item $player_object->enter_link	2699	=item $player_object->enter_link
1390		2700
1391	Freezes the player and moves him/her to a special map (C<{link}>).	2701	Freezes the player and moves him/her to a special map (C<{link}>).
1392		2702
1393	The player should be reaosnably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1394	I<MUST> call C<leave_link> as soon as possible, though.	2704	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2705	though, as the player cannot control the character while it is on the link
		2706	map.
		2707
		2708	Will never block.
1395		2709
1396	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1397		2711
1398	Moves the player out of the specila link map onto the given map. If the	2712	Moves the player out of the special C<{link}> map onto the specified
1399	map is not valid (or omitted), the player will be moved back to the	2713	map. If the map is not valid (or omitted), the player will be moved back
1400	location he/she was before the call to C<enter_link>, or, if that fails,	2714	to the location he/she was before the call to C<enter_link>, or, if that
1401	to the emergency map position.	2715	fails, to the emergency map position.
1402		2716
1403	Might block.	2717	Might block.
1404		2718
1405	=cut	2719	=cut
		2720
		2721	sub link_map {
		2722	unless ($LINK_MAP) {
		2723	$LINK_MAP = cf::map::find "{link}"
		2724	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2725	$LINK_MAP->load;
		2726	}
		2727
		2728	$LINK_MAP
		2729	}
1406		2730
1407	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1408	my ($self) = @_;	2732	my ($self) = @_;
1409		2733
1410	return if $self->map == $LINK_MAP;
1411
1412	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1413	if $self->map;
1414
1415	$self->enter_map ($LINK_MAP, 20, 20);
1416	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
		2735
		2736	++$self->{_link_recursion};
		2737
		2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2739
		2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2741	if $self->map && $self->map->{path} ne "{link}";
		2742
		2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1417	}	2744	}
1418		2745
1419	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1420	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1421		2750
1422	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1423		2752
1424	unless ($map) {	2753	unless ($map) {
1425	# restore original map position	2754	# restore original map position
1426	($map, $x, $y) = @{ $link_pos || [] };	2755	($map, $x, $y) = @{ $link_pos || [] };
1427	$map = cf::map::find_map $map;	2756	$map = cf::map::find $map;
1428		2757
1429	unless ($map) {	2758	unless ($map) {
1430	($map, $x, $y) = @$EMERGENCY_POSITION;	2759	($map, $x, $y) = @$EMERGENCY_POSITION;
1431	$map = cf::map::find_map $map	2760	$map = cf::map::find $map
1432	or die "FATAL: cannot load emergency map\n";	2761	or die "FATAL: cannot load emergency map\n";
1433	}	2762	}
1434	}	2763	}
1435		2764
1436	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1437	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1438		2767
1439	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1440	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1441	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1442		2771
1443	$map->load;	2772	$map->load;
		2773	$map->load_neighbours;
1444		2774
		2775	return unless $self->contr->active;
		2776
		2777	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2778	if ($self->enter_map ($map, $x, $y)) {
		2779	# entering was successful
		2780	delete $self->{_link_recursion};
		2781	# only activate afterwards, to support waiting in hooks
1445	$self->activate_recursive;	2782	$self->activate_recursive;
1446	$self->enter_map ($map, $x, $y);	2783	}
1447	}
1448		2784
1449	=item $player_object->goto_map ($map, $x, $y)	2785	}
1450		2786
1451	=cut	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1452		2788
		2789	Moves the player to the given map-path and coordinates by first freezing
		2790	her, loading and preparing them map, calling the provided $check callback
		2791	that has to return the map if sucecssful, and then unfreezes the player on
		2792	the new (success) or old (failed) map position. In either case, $done will
		2793	be called at the end of this process.
		2794
		2795	Note that $check will be called with a potentially non-loaded map, so if
		2796	it needs a loaded map it has to call C<< ->load >>.
		2797
		2798	=cut
		2799
		2800	our $GOTOGEN;
		2801
1453	sub cf::object::player::goto_map {	2802	sub cf::object::player::goto {
1454	my ($self, $path, $x, $y) = @_;	2803	my ($self, $path, $x, $y, $check, $done) = @_;
		2804
		2805	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2806	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2807	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2808	($path, $x, $y) = @$EMERGENCY_POSITION;
		2809	}
		2810
		2811	# do generation counting so two concurrent goto's will be executed in-order
		2812	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1455		2813
1456	$self->enter_link;	2814	$self->enter_link;
1457		2815
1458	(Coro::async {	2816	(async {
1459	$path = new cf::path $path;	2817	$Coro::current->{desc} = "player::goto $path $x $y";
1460		2818
1461	my $map = cf::map::find_map $path->as_string;	2819	# *tag paths override both path and x|y
		2820	if ($path =~ /^\*(.*)$/) {
		2821	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2822	my $ob = $obs[rand @obs];
		2823
		2824	# see if we actually can go there
		2825	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2826	$ob = $obs[rand @obs];
		2827	} else {
		2828	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	}
		2830	# else put us there anyways for now #d#
		2831
		2832	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2833	} else {
		2834	($path, $x, $y) = (undef, undef, undef);
		2835	}
		2836	}
		2837
		2838	my $map = eval {
		2839	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2840
		2841	if ($map) {
1462	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
		2844	} else {
		2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
1463		2847
1464	warn "entering ", $map->path, " at ($x, $y)\n"
1465	if $map;	2848	$map
		2849	};
1466		2850
1467	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2851	if ($@) {
		2852	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2853	LOG llevError | logBacktrace, Carp::longmess $@;
		2854	}
1468		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1469	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1470	})->prio (1);	2862	})->prio (1);
1471	}	2863	}
1472		2864
1473	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1474		2866
…		…
1476		2868
1477	sub parse_random_map_params {	2869	sub parse_random_map_params {
1478	my ($spec) = @_;	2870	my ($spec) = @_;
1479		2871
1480	my $rmp = { # defaults	2872	my $rmp = { # defaults
1481	xsize => 10,	2873	xsize => (cf::rndm 15, 40),
1482	ysize => 10,	2874	ysize => (cf::rndm 15, 40),
		2875	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2876	#layout => string,
1483	};	2877	};
1484		2878
1485	for (split /\n/, $spec) {	2879	for (split /\n/, $spec) {
1486	my ($k, $v) = split /\s+/, $_, 2;	2880	my ($k, $v) = split /\s+/, $_, 2;
1487		2881
…		…
1499	# that depends on the exit object	2893	# that depends on the exit object
1500		2894
1501	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
1502		2896
1503	if ($exit->map) {	2897	if ($exit->map) {
1504	$rmp->{region} = $exit->map->region_name;	2898	$rmp->{region} = $exit->region->name;
1505	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1506	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1507	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1508	}	2904	}
1509		2905
1510	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1511		2907
1512	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1513	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
		2910	my $meta = "$RANDOMDIR/$md5.meta";
1514		2911
1515	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1516	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
		2914	undef $fh;
		2915	aio_rename "$meta~", $meta;
1517		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1518	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
1519	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
1520	}	2923	}
1521	}	2924	}
1522		2925
1523	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
1524	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
1525		2928
1526	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
1527		2930
1528	$self->enter_link;	2931	$self->enter_link;
1529		2932
1530	(Coro::async {	2933	(async {
		2934	$Coro::current->{desc} = "enter_exit";
		2935
1531	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
1532		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
1533	prepare_random_map $exit	2943	prepare_random_map $exit
1534	if $exit->slaying eq "/!";	2944	if $exit->slaying eq "/!";
		2945	}
1535		2946
1536	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
1537	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
1538		2950
		2951	$self->goto ($map, $x, $y);
		2952
		2953	# if exit is damned, update players death & WoR home-position
		2954	$self->contr->savebed ($map, $x, $y)
		2955	if $exit->flag (cf::FLAG_DAMNED);
		2956
1539	1;	2957	1
1540	}) {	2958	}) {
1541	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1542	. "I'll try to bring you back to the map you were before. "	2960	. "I'll try to bring you back to the map you were before. "
1543	. "Please report this to the dungeon master",	2961	. "Please report this to the dungeon master!",
1544	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1545		2963
1546	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1547	$self->leave_link;	2965	$self->leave_link;
1548	}	2966	}
1549	})->prio (1);	2967	})->prio (1);
1550	}	2968	}
1551		2969
…		…
1562		2980
1563	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1564	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1565		2983
1566	utf8::encode $text;	2984	utf8::encode $text;
1567	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1568	}	2986	}
1569		2987
		2988	=item $client->send_big_packet ($pkt)
		2989
		2990	Like C<send_packet>, but tries to compress large packets, and fragments
		2991	them as required.
		2992
		2993	=cut
		2994
		2995	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2996
		2997	sub cf::client::send_big_packet {
		2998	my ($self, $pkt) = @_;
		2999
		3000	# try lzf for large packets
		3001	$pkt = "lzf " . Compress::LZF::compress $pkt
		3002	if 1024 <= length $pkt and $self->{can_lzf};
		3003
		3004	# split very large packets
		3005	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3006	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3007	$pkt = "frag";
		3008	}
		3009
		3010	$self->send_packet ($pkt);
		3011	}
		3012
		3013	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3014
		3015	Send a drawinfo or msg packet to the client, formatting the msg for the
		3016	client if neccessary. C<$type> should be a string identifying the type of
		3017	the message, with C<log> being the default. If C<$color> is negative, suppress
		3018	the message unless the client supports the msg packet.
		3019
		3020	=cut
		3021
		3022	# non-persistent channels (usually the info channel)
		3023	our %CHANNEL = (
		3024	"c/motd" => {
		3025	id => "infobox",
		3026	title => "MOTD",
		3027	reply => undef,
		3028	tooltip => "The message of the day",
		3029	},
		3030	"c/identify" => {
		3031	id => "infobox",
		3032	title => "Identify",
		3033	reply => undef,
		3034	tooltip => "Items recently identified",
		3035	},
		3036	"c/examine" => {
		3037	id => "infobox",
		3038	title => "Examine",
		3039	reply => undef,
		3040	tooltip => "Signs and other items you examined",
		3041	},
		3042	"c/shopinfo" => {
		3043	id => "infobox",
		3044	title => "Shop Info",
		3045	reply => undef,
		3046	tooltip => "What your bargaining skill tells you about the shop",
		3047	},
		3048	"c/book" => {
		3049	id => "infobox",
		3050	title => "Book",
		3051	reply => undef,
		3052	tooltip => "The contents of a note or book",
		3053	},
		3054	"c/lookat" => {
		3055	id => "infobox",
		3056	title => "Look",
		3057	reply => undef,
		3058	tooltip => "What you saw there",
		3059	},
		3060	"c/who" => {
		3061	id => "infobox",
		3062	title => "Players",
		3063	reply => undef,
		3064	tooltip => "Shows players who are currently online",
		3065	},
		3066	"c/body" => {
		3067	id => "infobox",
		3068	title => "Body Parts",
		3069	reply => undef,
		3070	tooltip => "Shows which body parts you posess and are available",
		3071	},
		3072	"c/statistics" => {
		3073	id => "infobox",
		3074	title => "Statistics",
		3075	reply => undef,
		3076	tooltip => "Shows your primary statistics",
		3077	},
		3078	"c/skills" => {
		3079	id => "infobox",
		3080	title => "Skills",
		3081	reply => undef,
		3082	tooltip => "Shows your experience per skill and item power",
		3083	},
		3084	"c/shopitems" => {
		3085	id => "infobox",
		3086	title => "Shop Items",
		3087	reply => undef,
		3088	tooltip => "Shows the items currently for sale in this shop",
		3089	},
		3090	"c/resistances" => {
		3091	id => "infobox",
		3092	title => "Resistances",
		3093	reply => undef,
		3094	tooltip => "Shows your resistances",
		3095	},
		3096	"c/pets" => {
		3097	id => "infobox",
		3098	title => "Pets",
		3099	reply => undef,
		3100	tooltip => "Shows information abotu your pets/a specific pet",
		3101	},
		3102	"c/perceiveself" => {
		3103	id => "infobox",
		3104	title => "Perceive Self",
		3105	reply => undef,
		3106	tooltip => "You gained detailed knowledge about yourself",
		3107	},
		3108	"c/uptime" => {
		3109	id => "infobox",
		3110	title => "Uptime",
		3111	reply => undef,
		3112	tooltip => "How long the server has been running since last restart",
		3113	},
		3114	"c/mapinfo" => {
		3115	id => "infobox",
		3116	title => "Map Info",
		3117	reply => undef,
		3118	tooltip => "Information related to the maps",
		3119	},
		3120	"c/party" => {
		3121	id => "party",
		3122	title => "Party",
		3123	reply => "gsay ",
		3124	tooltip => "Messages and chat related to your party",
		3125	},
		3126	"c/death" => {
		3127	id => "death",
		3128	title => "Death",
		3129	reply => undef,
		3130	tooltip => "Reason for and more info about your most recent death",
		3131	},
		3132	"c/say" => $SAY_CHANNEL,
		3133	"c/chat" => $CHAT_CHANNEL,
		3134	);
		3135
		3136	sub cf::client::send_msg {
		3137	my ($self, $channel, $msg, $color, @extra) = @_;
		3138
		3139	$msg = $self->pl->expand_cfpod ($msg)
		3140	unless $color & cf::NDI_VERBATIM;
		3141
		3142	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3143
		3144	# check predefined channels, for the benefit of C
		3145	if ($CHANNEL{$channel}) {
		3146	$channel = $CHANNEL{$channel};
		3147
		3148	$self->ext_msg (channel_info => $channel);
		3149	$channel = $channel->{id};
		3150
		3151	} elsif (ref $channel) {
		3152	# send meta info to client, if not yet sent
		3153	unless (exists $self->{channel}{$channel->{id}}) {
		3154	$self->{channel}{$channel->{id}} = $channel;
		3155	$self->ext_msg (channel_info => $channel);
		3156	}
		3157
		3158	$channel = $channel->{id};
		3159	}
		3160
		3161	return unless @extra || length $msg;
		3162
		3163	# default colour, mask it out
		3164	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3165	if $color & cf::NDI_DEF;
		3166
		3167	my $pkt = "msg "
		3168	. $self->{json_coder}->encode (
		3169	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3170	);
		3171
		3172	$self->send_big_packet ($pkt);
		3173	}
		3174
		3175	=item $client->ext_msg ($type, @msg)
		3176
		3177	Sends an ext event to the client.
		3178
		3179	=cut
		3180
		3181	sub cf::client::ext_msg($$@) {
		3182	my ($self, $type, @msg) = @_;
		3183
		3184	if ($self->extcmd == 2) {
		3185	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3186	} elsif ($self->extcmd == 1) { # TODO: remove
		3187	push @msg, msgtype => "event_$type";
		3188	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3189	}
		3190	}
		3191
		3192	=item $client->ext_reply ($msgid, @msg)
		3193
		3194	Sends an ext reply to the client.
		3195
		3196	=cut
		3197
		3198	sub cf::client::ext_reply($$@) {
		3199	my ($self, $id, @msg) = @_;
		3200
		3201	if ($self->extcmd == 2) {
		3202	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3203	} elsif ($self->extcmd == 1) {
		3204	#TODO: version 1, remove
		3205	unshift @msg, msgtype => "reply", msgid => $id;
		3206	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3207	}
		3208	}
1570		3209
1571	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1572		3211
1573	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1574	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3213	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1575	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3214	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1576		3215
1577	Queries can fail, so check the return code. Or don't, as queries will become	3216	Queries can fail, so check the return code. Or don't, as queries will
1578	reliable at some point in the future.	3217	become reliable at some point in the future.
1579		3218
1580	=cut	3219	=cut
1581		3220
1582	sub cf::client::query {	3221	sub cf::client::query {
1583	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
1591	utf8::encode $text;	3230	utf8::encode $text;
1592	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1593		3232
1594	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
1595	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
1596	}	3237	}
1597		3238
1598	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
1599	on_reply => sub {	3245	on_reply => sub {
1600	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
1601		3247
1602	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
1603	# get handled first	3249	# get handled first
1604	my $queue = delete $ns->{query_queue};	3250	my $queue = delete $ns->{query_queue}
		3251	or return; # be conservative, not sure how that can happen, but we saw a crash here
1605		3252
1606	(shift @$queue)->[1]->($msg);	3253	(shift @$queue)->[1]->($msg);
		3254	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1607		3255
1608	push @{ $ns->{query_queue} }, @$queue;	3256	push @{ $ns->{query_queue} }, @$queue;
1609		3257
1610	if (@{ $ns->{query_queue} } == @$queue) {	3258	if (@{ $ns->{query_queue} } == @$queue) {
1611	if (@$queue) {	3259	if (@$queue) {
…		…
1613	} else {	3261	} else {
1614	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1615	}	3263	}
1616	}	3264	}
1617	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($ns, $buf) = @_;
		3268
		3269	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3270
		3271	if (ref $msg) {
		3272	my ($type, $reply, @payload) =
		3273	"ARRAY" eq ref $msg
		3274	? @$msg
		3275	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3276
		3277	my @reply;
		3278
		3279	if (my $cb = $EXTICMD{$type}) {
		3280	@reply = $cb->($ns, @payload);
		3281	}
		3282
		3283	$ns->ext_reply ($reply, @reply)
		3284	if $reply;
		3285
		3286	} else {
		3287	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3288	}
		3289
		3290	cf::override;
		3291	},
1618	);	3292	);
1619		3293
1620	=item $client->coro (\&cb)	3294	=item $client->async (\&cb)
1621		3295
1622	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
1623	be automatically cancelled when the client gets destroyed (e.g. on logout,	3297	be automatically cancelled when the client gets destroyed (e.g. on logout,
1624	or loss of connection).	3298	or loss of connection).
1625		3299
1626	=cut	3300	=cut
1627		3301
1628	sub cf::client::coro {	3302	sub cf::client::async {
1629	my ($self, $cb) = @_;	3303	my ($self, $cb) = @_;
1630		3304
1631	my $coro; $coro = async {	3305	my $coro = &Coro::async ($cb);
1632	eval {
1633	$cb->();
1634	};
1635	warn $@ if $@;
1636	};
1637		3306
1638	$coro->on_destroy (sub {	3307	$coro->on_destroy (sub {
1639	delete $self->{_coro}{$coro+0};	3308	delete $self->{_coro}{$coro+0};
1640	});	3309	});
1641		3310
…		…
1643		3312
1644	$coro	3313	$coro
1645	}	3314	}
1646		3315
1647	cf::client->attach (	3316	cf::client->attach (
1648	on_destroy => sub {	3317	on_client_destroy => sub {
1649	my ($ns) = @_;	3318	my ($ns) = @_;
1650		3319
1651	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1652	},	3321	},
1653	);	3322	);
…		…
1668	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
1669	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
1670		3339
1671	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
1672		3341
1673	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
1674		3347
1675	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
1676		3349
1677	=pod	3350	=pod
1678		3351
1679	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
1680		3353
1681	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
1682	cf::object::player player	3359	cf::object::player
1683	cf::player peaceful	3360	player
1684	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
1685		3367
1686	=cut	3368	=cut
1687		3369
1688	for (	3370	for (
1689	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
1690	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
1691	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
1692	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
1693	) {	3377	) {
1694	no strict 'refs';
1695	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
1696	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1697	for @funs;	3380	for @funs;
1698	}	3381	}
1699		3382
…		…
1714		3397
1715	my $qcode = $code;	3398	my $qcode = $code;
1716	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1717	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
1718		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
1719	local $_;	3405	local $_;
1720	local @safe::cf::_safe_eval_args = values %vars;
1721		3406
1722	my $eval =	3407	my $eval =
1723	"do {\n"	3408	"do {\n"
1724	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1725	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
1726	. $code	3411	. $code
1727	. "\n}"	3412	. "\n}"
1728	;	3413	;
1729		3414
		3415	if ($CFG{safe_eval}) {
1730	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
1731	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1732	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
1733		3424
1734	if ($@) {	3425	if ($@) {
1735	warn "$@";	3426	warn "$@",
1736	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
1737	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
1738	}	3429	}
1739		3430
1740	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
1741	}	3432	}
1742		3433
…		…
1756	=cut	3447	=cut
1757		3448
1758	sub register_script_function {	3449	sub register_script_function {
1759	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
1760		3451
1761	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
1762	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
1763	}	3454	}
1764		3455
1765	=back	3456	=back
1766		3457
1767	=cut	3458	=cut
1768		3459
1769	#############################################################################	3460	#############################################################################
		3461	# the server's init and main functions
1770		3462
1771	=head2 EXTENSION DATABASE SUPPORT	3463	sub load_facedata($) {
		3464	my ($path) = @_;
1772		3465
1773	Crossfire maintains a very simple database for extension use. It can	3466	# HACK to clear player env face cache, we need some signal framework
1774	currently store anything that can be serialised using Storable, which	3467	# for this (global event?)
1775	excludes objects.	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
1776		3469
1777	The parameter C<$family> should best start with the name of the extension	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1778	using it, it should be unique.
1779		3471
1780	=over 4	3472	trace "loading facedata from $path\n";
1781		3473
1782	=item $hashref = cf::db_get $family	3474	my $facedata = decode_storable load_file $path;
1783		3475
1784	Return a hashref for use by the extension C<$family>, which can be	3476	$facedata->{version} == 2
1785	modified. After modifications, you have to call C<cf::db_dirty> or	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
1786	C<cf::db_sync>.
1787		3478
1788	=item $value = cf::db_get $family => $key	3479	# patch in the exptable
1789		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1790	Returns a single value from the database	3481	$facedata->{resource}{"res/exp_table"} = {
1791		3482	type => FT_RSRC,
1792	=item cf::db_put $family => $hashref	3483	data => $exp_table,
1793		3484	hash => (Digest::MD5::md5 $exp_table),
1794	Stores the given family hashref into the database. Updates are delayed, if
1795	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1796
1797	=item cf::db_put $family => $key => $value
1798
1799	Stores the given C<$value> in the family hash. Updates are delayed, if you
1800	want the data to be synced to disk immediately, use C<cf::db_sync>.
1801
1802	=item cf::db_dirty
1803
1804	Marks the database as dirty, to be updated at a later time.
1805
1806	=item cf::db_sync
1807
1808	Immediately write the database to disk I<if it is dirty>.
1809
1810	=cut
1811
1812	our $DB;
1813
1814	{
1815	my $path = cf::localdir . "/database.pst";
1816
1817	sub db_load() {
1818	warn "loading database $path\n";#d# remove later
1819	$DB = stat $path ? Storable::retrieve $path : { };
1820	}
1821
1822	my $pid;
1823
1824	sub db_save() {
1825	warn "saving database $path\n";#d# remove later
1826	waitpid $pid, 0 if $pid;
1827	if (0 == ($pid = fork)) {
1828	$DB->{_meta}{version} = 1;
1829	Storable::nstore $DB, "$path~";
1830	rename "$path~", $path;
1831	cf::_exit 0 if defined $pid;
1832	}
1833	}
1834
1835	my $dirty;
1836
1837	sub db_sync() {
1838	db_save if $dirty;
1839	undef $dirty;
1840	}
1841
1842	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1843	db_sync;
1844	});	3485	};
		3486	cf::cede_to_tick;
1845		3487
1846	sub db_dirty() {
1847	$dirty = 1;
1848	$idle->start;
1849	}	3488	{
		3489	my $faces = $facedata->{faceinfo};
1850		3490
1851	sub db_get($;$) {	3491	while (my ($face, $info) = each %$faces) {
1852	@_ >= 2	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1853	? $DB->{$_[0]}{$_[1]}
1854	: ($DB->{$_[0]} ||= { })
1855	}
1856		3493
1857	sub db_put($$;$) {	3494	cf::face::set_visibility $idx, $info->{visibility};
1858	if (@_ >= 3) {	3495	cf::face::set_magicmap $idx, $info->{magicmap};
1859	$DB->{$_[0]}{$_[1]} = $_[2];	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1860	} else {	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1861	$DB->{$_[0]} = $_[1];	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
1862	}
1863	db_dirty;
1864	}
1865		3499
1866	cf::global->attach (	3500	cf::cede_to_tick;
1867	prio => 10000,
1868	on_cleanup => sub {
1869	db_sync;
1870	},	3501	}
1871	);
1872	}
1873		3502
1874	#############################################################################	3503	while (my ($face, $info) = each %$faces) {
1875	# the server's main()	3504	next unless $info->{smooth};
1876		3505
1877	sub cfg_load {	3506	my $idx = cf::face::find $face
1878	open my $fh, "<:utf8", cf::confdir . "/config"	3507	or next;
1879	or return;
1880		3508
1881	local $/;	3509	if (my $smooth = cf::face::find $info->{smooth}) {
1882	*CFG = YAML::Syck::Load <$fh>;	3510	cf::face::set_smooth $idx, $smooth;
		3511	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3512	} else {
		3513	error "smooth face '$info->{smooth}' not found for face '$face'";
		3514	}
		3515
		3516	cf::cede_to_tick;
		3517	}
		3518	}
		3519
		3520	{
		3521	my $anims = $facedata->{animinfo};
		3522
		3523	while (my ($anim, $info) = each %$anims) {
		3524	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3525	cf::cede_to_tick;
		3526	}
		3527
		3528	cf::anim::invalidate_all; # d'oh
		3529	}
		3530
		3531	{
		3532	my $res = $facedata->{resource};
		3533
		3534	while (my ($name, $info) = each %$res) {
		3535	if (defined $info->{type}) {
		3536	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3537
		3538	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3539	cf::face::set_type $idx, $info->{type};
		3540	} else {
		3541	$RESOURCE{$name} = $info; # unused
		3542	}
		3543
		3544	cf::cede_to_tick;
		3545	}
		3546	}
		3547
		3548	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3549
		3550	1
		3551	}
		3552
		3553	register_exticmd fx_want => sub {
		3554	my ($ns, $want) = @_;
		3555
		3556	while (my ($k, $v) = each %$want) {
		3557	$ns->fx_want ($k, $v);
		3558	}
		3559	};
		3560
		3561	sub load_resource_file($) {
		3562	my $guard = lock_acquire "load_resource_file";
		3563
		3564	my $status = load_resource_file_ $_[0];
		3565	get_slot 0.1, 100;
		3566	cf::arch::commit_load;
		3567
		3568	$status
		3569	}
		3570
		3571	sub reload_regions {
		3572	# HACK to clear player env face cache, we need some signal framework
		3573	# for this (global event?)
		3574	%ext::player_env::MUSIC_FACE_CACHE = ();
		3575
		3576	load_resource_file "$MAPDIR/regions"
		3577	or die "unable to load regions file\n";
		3578
		3579	for (cf::region::list) {
		3580	$_->{match} = qr/$_->{match}/
		3581	if exists $_->{match};
		3582	}
		3583	}
		3584
		3585	sub reload_facedata {
		3586	load_facedata "$DATADIR/facedata"
		3587	or die "unable to load facedata\n";
		3588	}
		3589
		3590	sub reload_archetypes {
		3591	load_resource_file "$DATADIR/archetypes"
		3592	or die "unable to load archetypes\n";
		3593	}
		3594
		3595	sub reload_treasures {
		3596	load_resource_file "$DATADIR/treasures"
		3597	or die "unable to load treasurelists\n";
		3598	}
		3599
		3600	sub reload_sound {
		3601	trace "loading sound config from $DATADIR/sound\n";
		3602
		3603	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3604
		3605	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3606	my $sound = $soundconf->{compat}[$_]
		3607	or next;
		3608
		3609	my $face = cf::face::find "sound/$sound->[1]";
		3610	cf::sound::set $sound->[0] => $face;
		3611	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3612	}
		3613
		3614	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3615	my $face = cf::face::find "sound/$v";
		3616	cf::sound::set $k => $face;
		3617	}
		3618	}
		3619
		3620	sub reload_resources {
		3621	trace "reloading resource files...\n";
		3622
		3623	reload_exp_table;
		3624	reload_materials;
		3625	reload_facedata;
		3626	reload_sound;
		3627	reload_archetypes;
		3628	reload_regions;
		3629	reload_treasures;
		3630
		3631	trace "finished reloading resource files\n";
		3632	}
		3633
		3634	sub reload_config {
		3635	trace "reloading config file...\n";
		3636
		3637	my $config = load_file "$CONFDIR/config";
		3638	utf8::decode $config;
		3639	*CFG = decode_yaml $config;
		3640
		3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
		3642
		3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3645
		3646	if (exists $CFG{mlockall}) {
		3647	eval {
		3648	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3649	and die "WARNING: m(un)lockall failed: $!\n";
		3650	};
		3651	warn $@ if $@;
		3652	}
		3653	}
		3654
		3655	sub pidfile() {
		3656	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3657	or die "$PIDFILE: $!";
		3658	flock $fh, &Fcntl::LOCK_EX
		3659	or die "$PIDFILE: flock: $!";
		3660	$fh
		3661	}
		3662
		3663	# make sure only one server instance is running at any one time
		3664	sub atomic {
		3665	my $fh = pidfile;
		3666
		3667	my $pid = <$fh>;
		3668	kill 9, $pid if $pid > 0;
		3669
		3670	seek $fh, 0, 0;
		3671	print $fh $$;
		3672	}
		3673
		3674	sub main_loop {
		3675	trace "EV::loop starting\n";
		3676	if (1) {
		3677	EV::loop;
		3678	}
		3679	trace "EV::loop returned\n";
		3680	goto &main_loop unless $REALLY_UNLOOP;
1883	}	3681	}
1884		3682
1885	sub main {	3683	sub main {
		3684	cf::init_globals; # initialise logging
		3685
		3686	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3687	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3688	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3689	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3690
		3691	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3692
1886	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
1887	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
1888	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3695	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1889	(Coro::unblock_sub {	3696	(async {
1890	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
1891	})->();	3698	EV::loop EV::LOOP_ONESHOT;
		3699	})->prio (Coro::PRIO_MAX);
1892	};	3700	};
1893		3701
1894	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
1895	db_load;	3703
		3704	cf::sync_job {
		3705	cf::incloader::init ();
		3706
		3707	cf::init_anim;
		3708	cf::init_attackmess;
		3709	cf::init_dynamic;
		3710
		3711	cf::load_settings;
		3712
		3713	reload_resources;
		3714	reload_config;
		3715	db_init;
		3716
		3717	cf::init_uuid;
		3718	cf::init_signals;
		3719	cf::init_skills;
		3720
		3721	cf::init_beforeplay;
		3722
		3723	atomic;
		3724
1896	load_extensions;	3725	load_extensions;
1897	Event::loop;	3726
		3727	utime time, time, $RUNTIMEFILE;
		3728
		3729	# no (long-running) fork's whatsoever before this point(!)
		3730	use POSIX ();
		3731	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3732
		3733	cf::_post_init 0;
		3734	};
		3735
		3736	cf::object::thawer::errors_are_fatal 0;
		3737	info "parse errors in files are no longer fatal from this point on.\n";
		3738
		3739	my $free_main; $free_main = EV::idle sub {
		3740	undef $free_main;
		3741	undef &main; # free gobs of memory :)
		3742	};
		3743
		3744	goto &main_loop;
1898	}	3745	}
1899		3746
1900	#############################################################################	3747	#############################################################################
1901	# initialisation	3748	# initialisation and cleanup
1902		3749
		3750	# install some emergency cleanup handlers
		3751	BEGIN {
		3752	our %SIGWATCHER = ();
		3753	for my $signal (qw(INT HUP TERM)) {
		3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3755	cf::cleanup "SIG$signal";
		3756	};
		3757	}
		3758	}
		3759
		3760	sub write_runtime_sync {
		3761	my $t0 = AE::time;
		3762
		3763	# first touch the runtime file to show we are still running:
		3764	# the fsync below can take a very very long time.
		3765
		3766	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3767
		3768	my $guard = cf::lock_acquire "write_runtime";
		3769
		3770	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3771	or return;
		3772
		3773	my $value = $cf::RUNTIME + 90 + 10;
		3774	# 10 is the runtime save interval, for a monotonic clock
		3775	# 60 allows for the watchdog to kill the server.
		3776
		3777	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3778	and return;
		3779
		3780	# always fsync - this file is important
		3781	aio_fsync $fh
		3782	and return;
		3783
		3784	# touch it again to show we are up-to-date
		3785	aio_utime $fh, undef, undef;
		3786
		3787	close $fh
		3788	or return;
		3789
		3790	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3791	and return;
		3792
		3793	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3794
		3795	1
		3796	}
		3797
		3798	our $uuid_lock;
		3799	our $uuid_skip;
		3800
		3801	sub write_uuid_sync($) {
		3802	$uuid_skip ||= $_[0];
		3803
		3804	return if $uuid_lock;
		3805	local $uuid_lock = 1;
		3806
		3807	my $uuid = "$LOCALDIR/uuid";
		3808
		3809	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3810	or return;
		3811
		3812	my $value = uuid_seq uuid_cur;
		3813
		3814	unless ($value) {
		3815	info "cowardly refusing to write zero uuid value!\n";
		3816	return;
		3817	}
		3818
		3819	my $value = uuid_str $value + $uuid_skip;
		3820	$uuid_skip = 0;
		3821
		3822	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3823	and return;
		3824
		3825	# always fsync - this file is important
		3826	aio_fsync $fh
		3827	and return;
		3828
		3829	close $fh
		3830	or return;
		3831
		3832	aio_rename "$uuid~", $uuid
		3833	and return;
		3834
		3835	trace "uuid file written ($value).\n";
		3836
		3837	1
		3838
		3839	}
		3840
		3841	sub write_uuid($$) {
		3842	my ($skip, $sync) = @_;
		3843
		3844	$sync ? write_uuid_sync $skip
		3845	: async { write_uuid_sync $skip };
		3846	}
		3847
		3848	sub emergency_save() {
		3849	my $freeze_guard = cf::freeze_mainloop;
		3850
		3851	info "emergency_perl_save: enter\n";
		3852
		3853	# this is a trade-off: we want to be very quick here, so
		3854	# save all maps without fsync, and later call a global sync
		3855	# (which in turn might be very very slow)
		3856	local $USE_FSYNC = 0;
		3857
		3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	# use a peculiar iteration method to avoid tripping on perl
		3862	# refcount bugs in for. also avoids problems with players
		3863	# and maps saved/destroyed asynchronously.
		3864	info "emergency_perl_save: begin player save\n";
		3865	for my $login (keys %cf::PLAYER) {
		3866	my $pl = $cf::PLAYER{$login} or next;
		3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3869	$pl->save;
		3870	}
		3871	info "emergency_perl_save: end player save\n";
		3872
		3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
		3876	for my $path (keys %cf::MAP) {
		3877	my $map = $cf::MAP{$path} or next;
		3878	$map->valid or next;
		3879	$map->save;
		3880	}
		3881	info "emergency_perl_save: end map save\n";
		3882
		3883	cf::write_runtime_sync; # external watchdog should not bark
		3884
		3885	info "emergency_perl_save: begin database checkpoint\n";
		3886	BDB::db_env_txn_checkpoint $DB_ENV;
		3887	info "emergency_perl_save: end database checkpoint\n";
		3888
		3889	info "emergency_perl_save: begin write uuid\n";
		3890	write_uuid_sync 1;
		3891	info "emergency_perl_save: end write uuid\n";
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
		3894
		3895	trace "emergency_perl_save: syncing database to disk";
		3896	BDB::db_env_txn_checkpoint $DB_ENV;
		3897
		3898	info "emergency_perl_save: starting sync\n";
		3899	IO::AIO::aio_sync sub {
		3900	info "emergency_perl_save: finished sync\n";
		3901	};
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
		3904
		3905	trace "emergency_perl_save: flushing outstanding aio requests";
		3906	while (IO::AIO::nreqs || BDB::nreqs) {
		3907	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3908	}
		3909
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911	};
		3912
		3913	info "emergency_perl_save: leave\n";
		3914	}
		3915
		3916	sub post_cleanup {
		3917	my ($make_core) = @_;
		3918
		3919	IO::AIO::flush;
		3920
		3921	error Carp::longmess "post_cleanup backtrace"
		3922	if $make_core;
		3923
		3924	my $fh = pidfile;
		3925	unlink $PIDFILE if <$fh> == $$;
		3926	}
		3927
		3928	# a safer delete_package, copied from Symbol
		3929	sub clear_package($) {
		3930	my $pkg = shift;
		3931
		3932	# expand to full symbol table name if needed
		3933	unless ($pkg =~ /^main::.*::$/) {
		3934	$pkg = "main$pkg" if $pkg =~ /^::/;
		3935	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3936	$pkg .= '::' unless $pkg =~ /::$/;
		3937	}
		3938
		3939	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3940	my $stem_symtab = *{$stem}{HASH};
		3941
		3942	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3943	or return;
		3944
		3945	# clear all symbols
		3946	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3947	for my $name (keys %$leaf_symtab) {
		3948	_gv_clear *{"$pkg$name"};
		3949	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3950	}
		3951	}
		3952
1903	sub reload() {	3953	sub do_reload_perl() {
1904	# can/must only be called in main	3954	# can/must only be called in main
1905	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
1906	warn "can only reload from main coroutine\n";	3956	error "can only reload from main coroutine";
1907	return;	3957	return;
1908	}	3958	}
1909		3959
1910	warn "reloading...";	3960	return if $RELOAD++;
1911		3961
1912	local $FREEZE = 1;	3962	my $t1 = AE::time;
		3963
		3964	while ($RELOAD) {
		3965	cf::get_slot 0.1, -1, "reload_perl";
		3966	info "perl_reload: reloading...";
		3967
		3968	trace "perl_reload: entering sync_job";
		3969
		3970	cf::sync_job {
1913	cf::emergency_save;	3971	#cf::emergency_save;
1914		3972
1915	eval {	3973	trace "perl_reload: cancelling all extension coros";
1916	# if anything goes wrong in here, we should simply crash as we already saved
1917
1918	# cancel all watchers
1919	for (Event::all_watchers) {
1920	$_->cancel if $_->data & WF_AUTOCANCEL;
1921	}
1922
1923	# cancel all extension coros
1924	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
1925	%EXT_CORO = ();	3975	%EXT_CORO = ();
1926		3976
1927	# unload all extensions	3977	trace "perl_reload: removing commands";
1928	for (@exts) {	3978	%COMMAND = ();
1929	warn "unloading <$_>";
1930	unload_extension $_;
1931	}
1932		3979
1933	# unload all modules loaded from $LIBDIR	3980	trace "perl_reload: removing ext/exti commands";
1934	while (my ($k, $v) = each %INC) {	3981	%EXTCMD = ();
1935	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3982	%EXTICMD = ();
1936		3983
1937	warn "removing <$k>";	3984	trace "perl_reload: unloading/nuking all extensions";
1938	delete $INC{$k};	3985	for my $pkg (@EXTS) {
		3986	trace "... unloading $pkg";
1939		3987
1940	$k =~ s/\.pm$//;
1941	$k =~ s/\//::/g;
1942
1943	if (my $cb = $k->can ("unload_module")) {	3988	if (my $cb = $pkg->can ("unload")) {
		3989	eval {
1944	$cb->();	3990	$cb->($pkg);
		3991	1
		3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
1945	}	3997	}
1946		3998
1947	Symbol::delete_package $k;	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		4000	while (my ($k, $v) = each %INC) {
		4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		4002
		4003	trace "... unloading $k";
		4004	delete $INC{$k};
		4005
		4006	$k =~ s/\.pm$//;
		4007	$k =~ s/\//::/g;
		4008
		4009	if (my $cb = $k->can ("unload_module")) {
		4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
1948	}	4014	}
1949		4015
1950	# sync database to disk
1951	cf::db_sync;
1952	IO::AIO::flush;
1953
1954	# get rid of safe::, as good as possible	4016	trace "perl_reload: getting rid of safe::, as good as possible";
1955	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
1956	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4018	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1957		4019
1958	# remove register_script_function callbacks	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
1959	# TODO
1960
1961	# unload cf.pm "a bit"
1962	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
1963		4023
1964	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
1965	# and global variables created in xs	4025	# and global variables created in xs
1966	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
1967		4027
1968	# reload cf.pm	4028	info "perl_reload: unload completed, starting to reload now";
1969	warn "reloading cf.pm";	4029
		4030	trace "perl_reload: reloading cf.pm";
1970	require cf;	4031	require cf;
1971	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
1972		4033
1973	# load config and database again	4034	trace "perl_reload: loading config and database again";
1974	cf::cfg_load;	4035	cf::reload_config;
1975	cf::db_load;
1976		4036
1977	# load extensions	4037	trace "perl_reload: loading extensions";
1978	warn "load extensions";
1979	cf::load_extensions;	4038	cf::load_extensions;
1980		4039
1981	# reattach attachments to objects	4040	if ($REATTACH_ON_RELOAD) {
1982	warn "reattach";	4041	trace "perl_reload: reattaching attachments to objects/players";
1983	_global_reattach;	4042	_global_reattach; # objects, sockets
		4043	trace "perl_reload: reattaching attachments to maps";
		4044	reattach $_ for values %MAP;
		4045	trace "perl_reload: reattaching attachments to players";
		4046	reattach $_ for values %PLAYER;
		4047	}
		4048
		4049	cf::_post_init 1;
		4050
		4051	trace "perl_reload: leaving sync_job";
		4052
		4053	1
		4054	} or do {
		4055	error $@;
		4056	cf::cleanup "perl_reload: error, exiting.";
		4057	};
		4058
		4059	--$RELOAD;
		4060	}
		4061
		4062	$t1 = AE::time - $t1;
		4063	info "perl_reload: completed in ${t1}s\n";
		4064	};
		4065
		4066	our $RELOAD_WATCHER; # used only during reload
		4067
		4068	sub reload_perl() {
		4069	# doing reload synchronously and two reloads happen back-to-back,
		4070	# coro crashes during coro_state_free->destroy here.
		4071
		4072	$RELOAD_WATCHER ||= cf::async {
		4073	Coro::AIO::aio_wait cache_extensions;
		4074
		4075	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4076	do_reload_perl;
		4077	undef $RELOAD_WATCHER;
		4078	};
1984	};	4079	};
1985
1986	if ($@) {
1987	warn $@;
1988	warn "error while reloading, exiting.";
1989	exit 1;
1990	}
1991
1992	warn "reloaded successfully";
1993	};
1994
1995	#############################################################################
1996
1997	unless ($LINK_MAP) {
1998	$LINK_MAP = cf::map::new;
1999
2000	$LINK_MAP->width (41);
2001	$LINK_MAP->height (41);
2002	$LINK_MAP->alloc;
2003	$LINK_MAP->path ("{link}");
2004	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2005	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2006
2007	# dirty hack because... archetypes are not yet loaded
2008	Event->timer (
2009	after => 2,
2010	cb => sub {
2011	$_[0]->w->cancel;
2012
2013	# provide some exits "home"
2014	my $exit = cf::object::new "exit";
2015
2016	$exit->slaying ($EMERGENCY_POSITION->[0]);
2017	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2018	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2019
2020	$LINK_MAP->insert ($exit->clone, 19, 19);
2021	$LINK_MAP->insert ($exit->clone, 19, 20);
2022	$LINK_MAP->insert ($exit->clone, 19, 21);
2023	$LINK_MAP->insert ($exit->clone, 20, 19);
2024	$LINK_MAP->insert ($exit->clone, 20, 21);
2025	$LINK_MAP->insert ($exit->clone, 21, 19);
2026	$LINK_MAP->insert ($exit->clone, 21, 20);
2027	$LINK_MAP->insert ($exit->clone, 21, 21);
2028
2029	$exit->destroy;
2030	});
2031
2032	$LINK_MAP->{deny_save} = 1;
2033	$LINK_MAP->{deny_reset} = 1;
2034
2035	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2036	}	4080	}
2037
2038	register "<global>", __PACKAGE__;
2039		4081
2040	register_command "reload" => sub {	4082	register_command "reload" => sub {
2041	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2042		4084
2043	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2044	$who->message ("start of reload.");
2045	reload;
2046	$who->message ("end of reload.");	4086	$who->message ("reloading server.");
		4087	async {
		4088	$Coro::current->{desc} = "perl_reload";
		4089	reload_perl;
		4090	};
2047	}	4091	}
2048	};	4092	};
2049		4093
2050	unshift @INC, $LIBDIR;	4094	#############################################################################
2051		4095
2052	$TICK_WATCHER = Event->timer (	4096	my $bug_warning = 0;
2053	reentrant => 0,	4097
2054	prio => 0,	4098	our @WAIT_FOR_TICK;
2055	at => $NEXT_TICK || $TICK,	4099	our @WAIT_FOR_TICK_BEGIN;
2056	data => WF_AUTOCANCEL,	4100
2057	cb => sub {	4101	sub wait_for_tick() {
2058	unless ($FREEZE) {	4102	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4103
		4104	my $signal = new Coro::Signal;
		4105	push @WAIT_FOR_TICK, $signal;
		4106	$signal->wait;
		4107	}
		4108
		4109	sub wait_for_tick_begin() {
		4110	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4111
		4112	my $signal = new Coro::Signal;
		4113	push @WAIT_FOR_TICK_BEGIN, $signal;
		4114	$signal->wait;
		4115	}
		4116
		4117	sub tick {
		4118	if ($Coro::current != $Coro::main) {
		4119	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4120	unless ++$bug_warning > 10;
		4121	return;
		4122	}
		4123
2059	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2060	$RUNTIME += $TICK;
2061	}
2062		4125
2063	$NEXT_TICK += $TICK;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2064		4127
2065	# if we are delayed by four ticks or more, skip them all	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2066	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2067		4130	Coro::async_pool {
2068	$TICK_WATCHER->at ($NEXT_TICK);	4131	$Coro::current->{desc} = "runtime saver";
2069	$TICK_WATCHER->start;
2070	},
2071	);
2072
2073	IO::AIO::max_poll_time $TICK * 0.2;
2074
2075	Event->io (
2076	fd => IO::AIO::poll_fileno,
2077	poll => 'r',
2078	prio => 5,
2079	data => WF_AUTOCANCEL,
2080	cb => \&IO::AIO::poll_cb,
2081	);
2082
2083	Event->timer (
2084	data => WF_AUTOCANCEL,
2085	after => 0,
2086	interval => 10,
2087	cb => sub {
2088	(Coro::unblock_sub {
2089	write_runtime	4132	write_runtime_sync
2090	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2091	})->();	4134	};
2092	},	4135	}
2093	);	4136
		4137	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4138	$sig->send;
		4139	}
		4140	while (my $sig = shift @WAIT_FOR_TICK) {
		4141	$sig->send;
		4142	}
		4143
		4144	$LOAD = ($NOW - $TICK_START) / $TICK;
		4145	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4146
		4147	if (0) {
		4148	if ($NEXT_TICK) {
		4149	my $jitter = $TICK_START - $NEXT_TICK;
		4150	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4151	debug "jitter $JITTER\n";#d#
		4152	}
		4153	}
		4154	}
		4155
		4156	{
		4157	# configure BDB
		4158
		4159	BDB::min_parallel 16;
		4160	BDB::max_poll_reqs $TICK * 0.1;
		4161	$AnyEvent::BDB::WATCHER->priority (1);
		4162
		4163	unless ($DB_ENV) {
		4164	$DB_ENV = BDB::db_env_create;
		4165	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4166	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4167	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4168	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4169	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4170
		4171	cf::sync_job {
		4172	eval {
		4173	BDB::db_env_open
		4174	$DB_ENV,
		4175	$BDBDIR,
		4176	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4177	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4178	0666;
		4179
		4180	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4181	};
		4182
		4183	cf::cleanup "db_env_open(db): $@" if $@;
		4184	};
		4185	}
		4186
		4187	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4188	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4189	};
		4190	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4191	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4192	};
		4193	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4194	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4195	};
		4196	}
		4197
		4198	{
		4199	# configure IO::AIO
		4200
		4201	IO::AIO::min_parallel 8;
		4202	IO::AIO::max_poll_time $TICK * 0.1;
		4203	undef $AnyEvent::AIO::WATCHER;
		4204	}
		4205
		4206	our $_log_backtrace;
		4207	our $_log_backtrace_last;
		4208
		4209	sub _log_backtrace {
		4210	my ($msg, @addr) = @_;
		4211
		4212	$msg =~ s/\n$//;
		4213
		4214	if ($_log_backtrace_last eq $msg) {
		4215	LOG llevInfo, "[ABT] $msg\n";
		4216	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4217	# limit the # of concurrent backtraces
		4218	} elsif ($_log_backtrace < 2) {
		4219	$_log_backtrace_last = $msg;
		4220	++$_log_backtrace;
		4221	my $perl_bt = Carp::longmess $msg;
		4222	async {
		4223	$Coro::current->{desc} = "abt $msg";
		4224
		4225	my @bt = fork_call {
		4226	@addr = map { sprintf "%x", $_ } @addr;
		4227	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4228	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4229	or die "addr2line: $!";
		4230
		4231	my @funcs;
		4232	my @res = <$fh>;
		4233	chomp for @res;
		4234	while (@res) {
		4235	my ($func, $line) = splice @res, 0, 2, ();
		4236	push @funcs, "[$func] $line";
		4237	}
		4238
		4239	@funcs
		4240	};
		4241
		4242	LOG llevInfo, "[ABT] $perl_bt\n";
		4243	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4244	LOG llevInfo, "[ABT] $_\n" for @bt;
		4245	--$_log_backtrace;
		4246	};
		4247	} else {
		4248	LOG llevInfo, "[ABT] $msg\n";
		4249	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4250	}
		4251	}
		4252
		4253	# load additional modules
		4254	require "cf/$_.pm" for @EXTRA_MODULES;
		4255	cf::_connect_to_perl_2;
		4256
		4257	END { cf::emergency_save }
2094		4258
2095	1	4259	1
2096		4260

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