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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.177 by root, Sun Jan 14 22:54:18 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 3.4 ();	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
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		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" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	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);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	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::"} };
87		189
88	#############################################################################	190	#############################################################################
89		191
90	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
91		193
…		…
98	=item $cf::RUNTIME	200	=item $cf::RUNTIME
99		201
100	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
101	every server tick.	203	every server tick.
102		204
103	=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
104		208
105	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		213
108	=item $cf::NOW	214	=item $cf::NOW
109		215
110	The time of the last (current) server tick.	216	The time of the last (current) server tick.
111		217
112	=item $cf::TICK	218	=item $cf::TICK
113		219
114	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	232	=item %cf::CFG
117		233
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	235	from wherever your confdir points to.
120		236
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		238
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	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.
127		259
128	=back	260	=back
129		261
130	=cut	262	=cut
131		263
132	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
133	*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 {
134	my $msg = join "", @_;	271	my $msg = join "", @_;
135	utf8::encode $msg;
136		272
137	$msg .= "\n"	273	$msg .= "\n"
138	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
139		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
140	LOG llevError, $msg;	278	LOG llevWarn, $msg;
141	};	279	};
142	}	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	};
143		294
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		302
151	# 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
152	# within the Safe compartment.	304	# within the Safe compartment.
153	for my $pkg (qw(	305	for my $pkg (qw(
154	cf::global cf::attachable	306	cf::global cf::attachable
155	cf::object cf::object::player	307	cf::object cf::object::player
156	cf::client cf::player	308	cf::client cf::player
157	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
158	cf::map cf::party cf::region	311	cf::party cf::region
159	)) {	312	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	314	}
163		315
164	$Event::DIED = sub {	316	$EV::DIED = sub {
165	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
166	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
167		326
168	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
169		328
170	=over 4	329	=over 4
171		330
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	350	$d
192	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
193	}	352	}
194		353
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
196		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
197	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
198		369
199	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
200		371
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
209		373
210	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
211		375
212	=cut	376	=cut
213		377
214	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
216	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] } @_
		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	}
217	}	443	}
218		444
219	=item cf::lock_wait $string	445	=item cf::lock_wait $string
220		446
221	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
222		448
223	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
224		450
225	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
228	returned.	454	returned.
229		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
230	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
232		461
233	=cut	462	=item $locked = cf::lock_active $string
234		463
235	our %LOCK;	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;
236		469
237	sub lock_wait($) {	470	sub lock_wait($) {
238	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	472	}
246		473
247	sub lock_acquire($) {	474	sub lock_acquire($) {
248	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
249		477
250	# wait, to be sure we are not locked	478	sub lock_active($) {
251	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	480	}
260		481
261	sub freeze_mainloop {	482	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
263		484
264	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	486	}
266	$WRITE_RUNTIME_WATCHER->start;	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	}
267	};	556	}
268	$WRITE_RUNTIME_WATCHER->stop;	557	};
269	$TICK_WATCHER->stop;	558
270	$guard	559	sub get_slot($;$$) {
		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;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		590
289	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
290	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
291	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
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		662
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
352	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.
353		667
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		669
358	aio_fsync $fh	670	sub post_fork {
359	and return;	671	reset_signals;
		672	}
360		673
361	close $fh	674	sub fork_call(&@) {
362	or return;	675	my ($cb, @args) = @_;
363		676
364	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
365	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
366		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 {
367	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 });
368	}	864	}
369		865
370	=back	866	=back
371		867
372	=cut	868	=cut
373		869
374	#############################################################################	870	#############################################################################
375		871
376	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
377		873
378	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
379	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")
380	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
381		877
382	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>
383	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
384	crossfire+).	880	Deliantra).
385		881
386	=over 4	882	=over 4
387		883
388	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
389		885
…		…
433	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
434		930
435	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
436	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
437		933
438	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
439	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.
440		936
441	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
442		938
443	=over 4	939	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
553		1049
554	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1054
559	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
561		1057
562	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
567		1063
568	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1066
571	} elsif (ref $type) {	1067	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
573		1069
574	} else {	1070	} else {
575	shift @arg;	1071	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
577	}	1073	}
578	}	1074	}
579	}	1075	}
580		1076
581	sub _object_attach {	1077	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
592	}	1088	}
593		1089
594	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
595	} else {	1091	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1093	}
598		1094
599	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
600	}	1096	}
601		1097
…		…
603	if (ref $_[0]) {	1099	if (ref $_[0]) {
604	_object_attach @_;	1100	_object_attach @_;
605	} else {	1101	} else {
606	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
607	}	1103	}
		1104	_recalc_want;
608	};	1105	};
609		1106
610	# all those should be optimised	1107	# all those should be optimised
611	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1113	reattach ($obj);
617	} else {	1114	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
619	}	1116	}
		1117	_recalc_want;
620	};	1118	};
621		1119
622	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
624		1122
…		…
639	";	1137	";
640	die if $@;	1138	die if $@;
641	}	1139	}
642		1140
643	our $override;	1141	our $override;
644	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?
645		1143
646	sub override {	1144	sub override {
647	$override = 1;	1145	$override = 1;
648	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
649	}	1147	}
650		1148
651	sub do_invoke {	1149	sub do_invoke {
652	my $event = shift;	1150	my $event = shift;
653	my $callbacks = shift;	1151	my $callbacks = shift;
654		1152
655	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
656		1154
657	local $override;	1155	local $override;
658		1156
659	for (@$callbacks) {	1157	for (@$callbacks) {
660	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
661		1159
662	if ($@) {	1160	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1162	override;
666	}	1163	}
667		1164
668	return 1 if $override;	1165	return 1 if $override;
669	}	1166	}
670		1167
671	0	1168	0
672	}	1169	}
673		1170
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1172
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1174
678	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
679		1176
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1180
684	=back	1181	=back
685		1182
686	=cut	1183	=cut
687		1184
688	#############################################################################	1185	#############################################################################
689	# 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	}
690		1229
691	sub reattach {	1230	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1232	my ($obj) = @_;
694		1233
		1234	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1236
697	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
698		1238
699	@$registry = ();	1239	@$registry = ();
700		1240
…		…
705	for (@$attach) {	1245	for (@$attach) {
706	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
708	}	1248	}
709	} else {	1249	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1251	}
712	}	1252	}
713	}	1253	}
714		1254
715	cf::attachable->attach (	1255	cf::attachable->attach (
716	prio => -1000000,	1256	prio => -1000000,
717	on_instantiate => sub {	1257	on_instantiate => sub {
718	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
719		1259
720	$data = from_json $data;	1260	$data = decode_json $data;
721		1261
722	for (@$data) {	1262	for (@$data) {
723	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
724		1264
725	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1281	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
743		1283
744	sync_job {	1284	sync_job {
745	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
748		1290
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$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;
752	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
753	close $fh;	1298	aio_close $fh;
754		1299
755	if (@$objs) {	1300	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	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;
760	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
761	close $fh;	1309	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
763	}	1311	}
764	} else {	1312	} else {
765	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
766	}	1314	}
767		1315
768	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1320	} else {
770	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
771	}	1322	}
772	} else {	1323	} else {
773	aio_unlink $filename;	1324	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
775	}	1326	}
776	}	1327	};
777	}	1328	}
778		1329
779	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
781		1332
…		…
793	or return;	1344	or return;
794		1345
795	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
797	or return;	1348	or return;
		1349
798	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
799	}	1352	}
800		1353
		1354	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
803	return ($data, $av);	1359	($data, $av)
804	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
805		1367
806	#############################################################################	1368	#############################################################################
807	# command handling &c	1369	# command handling &c
808		1370
809	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1385	}
824		1386
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1388
827	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.
828		1394
829	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
830	called.	1396	called.
831		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
832	=cut	1409	=cut
833		1410
834	sub register_extcmd {	1411	sub register_extcmd {
835	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
836		1413
837	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
838	}	1415	}
839		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
840	cf::player->attach (	1425	cf::player->attach (
841	on_command => sub {	1426	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
843		1428
844	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
845	or return;	1430	or return;
846		1431
…		…
851	cf::override;	1436	cf::override;
852	},	1437	},
853	on_extcmd => sub {	1438	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
855		1440
856	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1442
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
864	} else {	1458	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1460	}
867		1461
868	cf::override;	1462	cf::override;
869	},	1463	},
870	);	1464	);
871		1465
		1466	# "readahead" all extensions
872	sub load_extension {	1467	sub cache_extensions {
873	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
874		1469
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1473	}
900	die $@;
901	}	1474	};
902		1475
903	push @EXTS, $pkg;	1476	$grp
904	}	1477	}
905		1478
906	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
907	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1486	next unless -r $path;
909	eval {	1487
910	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	}
911	1	1551	}
912	} 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	}
913	}	1564	};
914	}	1565	}
915		1566
916	#############################################################################	1567	#############################################################################
917		1568
		1569	=back
		1570
918	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
919		1572
920	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
921		1574
922	=cut	1575	=cut
923		1576
924	package cf::player;	1577	package cf::player;
925		1578
…		…
927		1580
928	=head3 cf::player	1581	=head3 cf::player
929		1582
930	=over 4	1583	=over 4
931		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
932	=item cf::player::find $login	1599	=item cf::player::find $login
933		1600
934	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
935		1602
936	=cut	1603	=cut
937		1604
938	sub playerdir($) {	1605	sub playerdir($) {
939	cf::localdir	1606	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1608	}
945		1609
946	sub path($) {	1610	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1612
949	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
950	}	1614	}
951		1615
952	sub find_active($) {	1616	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
957		1621
958	sub exists($) {	1622	sub exists($) {
959	my ($login) = @_;	1623	my ($login) = @_;
960		1624
961	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1626	or !aio_stat path $login
963	}	1627	}
964		1628
965	sub find($) {	1629	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1631	my $login = $_[0];
968		1632
969	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
970		1634
971	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	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
973	or return;	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;
974	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
975	}	1652	}
976	}	1653	}
977	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
978		1668
979	sub save($) {	1669	sub save($) {
980	my ($pl) = @_;	1670	my ($pl) = @_;
981		1671
982	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
988		1678
989	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
991		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
992	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
993	Coro::cede;	1688	cf::cede_to_tick;
994	}	1689	}
995		1690
996	sub new($) {	1691	sub new($) {
997	my ($login) = @_;	1692	my ($login) = @_;
998		1693
…		…
1004	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1005		1700
1006	$self	1701	$self
1007	}	1702	}
1008		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
1009	=item $pl->quit_character	1714	=item $pl->quit_character
1010		1715
1011	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1013		1718
1014	=cut	1719	=cut
1015		1720
1016	sub quit_character {	1721	sub quit_character {
1017	my ($pl) = @_;	1722	my ($pl) = @_;
1018		1723
		1724	my $name = $pl->ob->name;
		1725
1019	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1728
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1025	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1026		1737
1027	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	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
1032	IO::AIO::aio_rmtree $temp;	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;
1033	}	1764	}
1034		1765
1035	=item cf::player::list_logins	1766	=item cf::player::list_logins
1036		1767
1037	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1039		1770
1040	=cut	1771	=cut
1041		1772
1042	sub list_logins {	1773	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1775	or return [];
1045		1776
1046	my @logins;	1777	my @logins;
1047		1778
1048	for my $login (@$dirs) {	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") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1052		1789
1053	utf8::decode $login;	1790	utf8::decode $login;
1054	push @logins, $login;	1791	push @logins, $login;
1055	}	1792	}
1056		1793
1057	\@logins	1794	\@logins
1058	}	1795	}
1059		1796
1060	=item $player->maps	1797	=item $player->maps
1061		1798
		1799	=item cf::player::maps $login
		1800
1062	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1063	player. May block.	1802	player. May block.
1064		1803
1065	=cut	1804	=cut
1066		1805
1067	sub maps($) {	1806	sub maps($) {
1068	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1810
1070	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1071	or return;	1812	or return;
1072		1813
1073	my @paths;	1814	my @paths;
…		…
1075	for (@$files) {	1816	for (@$files) {
1076	utf8::decode $_;	1817	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1079		1820
1080	s/\.map$//;	1821	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1822	}
1083		1823
1084	\@paths	1824	\@paths
1085	}	1825	}
1086		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1088		1832
1089	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1090		1834
1091	=cut	1835	=cut
1092		1836
1093	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1095		1839
1096	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1841	}
1100		1842
1101	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($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
		1884	}
1102		1885
1103	=back	1886	=back
1104
1105		1887
1106	=head3 cf::map	1888	=head3 cf::map
1107		1889
1108	=over 4	1890	=over 4
1109		1891
…		…
1122	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1123		1905
1124	sub generate_random_map {	1906	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1126		1908
1127	# mit "rum" bekleckern, nicht	1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1128	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1136	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1137	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)
1141	}	1912	}
		1913
		1914	=item cf::map->register ($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
1142		1921
1143	sub register {	1922	sub register {
1144	my (undef, $regex) = @_;	1923	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1924	my $pkg = caller;
1146		1925
1147	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1927
1150	$EXT_MAP{$pkg} = qr<$regex>;	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1929	}
1152		1930
1153	# also paths starting with '/'	1931	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1155		1933
1156	sub thawer_merge {	1934	sub thawer_merge {
1157	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1158		1936
1159	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1160	local $self->{path};	1938	local $self->{path};
1161	local $self->{load_path};	1939	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1940
1165	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1166	}	1942	}
1167		1943
1168	sub normalise {	1944	sub normalise {
1169	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
		1946
		1947	$path = "$path"; # make sure it's a string
		1948
		1949	$path =~ s/\.map$//;
1170		1950
1171	# map plan:	1951	# map plan:
1172	#	1952	#
1173	# /! non-realised random map exit (special hack!)	1953	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1175	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1176	# ?random/... random maps	1956	# ?random/... random maps
1177	# /... normal maps	1957	# /... normal maps
1178	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1179		1960
1180	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1181		1962
1182	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1183	# something that looks reasonable	1964	# something that looks reasonable
1184	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1185	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1186		1967
1187	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1188	$path = "$base/$path";	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 $dpth;
1189	}	1984	}
1190		1985
1191	for ($path) {	1986	for ($path) {
1192	redo if s{//}{/};
1193	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1194	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1195	}	1989	}
1196		1990
1197	$path	1991	$path
…		…
1202		1996
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1997	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1998
1205	$path = normalise $path, $base;	1999	$path = normalise $path, $base;
1206		2000
1207	for my $pkg (keys %EXT_MAP) {	2001	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	2002	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	2003	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	2004	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1212	return $self;	2006	return $self;
1213	}	2007	}
1214	}	2008	}
1215		2009
1216	Carp::carp "unable to resolve path '$path'.";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1217	()	2011	()
1218	}	2012	}
1219		2013
		2014	# may re-bless or do other evil things
1220	sub init {	2015	sub init {
1221	my ($self) = @_;	2016	my ($self) = @_;
1222		2017
1223	$self	2018	$self
1224	}	2019	}
…		…
1236		2031
1237	# the original (read-only) location	2032	# the original (read-only) location
1238	sub load_path {	2033	sub load_path {
1239	my ($self) = @_;	2034	my ($self) = @_;
1240		2035
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1242	}	2037	}
1243		2038
1244	# the temporary/swap location	2039	# the temporary/swap location
1245	sub save_path {	2040	sub save_path {
1246	my ($self) = @_;	2041	my ($self) = @_;
1247		2042
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1250	}	2045	}
1251		2046
1252	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1253	sub uniq_path {	2048	sub uniq_path {
1254	my ($self) = @_;	2049	my ($self) = @_;
1255		2050
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1258	}	2053	}
1259		2054
1260	# and all this just because we cannot iterate over	2055	sub decay_objects {
1261	# all maps in C++...
1262	sub change_all_map_light {
1263	my ($change) = @_;	2056	my ($self) = @_;
1264		2057
1265	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1266	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1267	}	2061	}
1268		2062
1269	sub unlink_save {	2063	sub unlink_save {
1270	my ($self) = @_;	2064	my ($self) = @_;
1271		2065
…		…
1276		2070
1277	sub load_header_from($) {	2071	sub load_header_from($) {
1278	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1279		2073
1280	utf8::encode $path;	2074	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1282	or return;	2076	or return;
1283		2077
1284	$self->_load_header ($path)	2078	$self->_load_header ($f)
1285	or return;	2079	or return;
1286		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1287	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1288		2085
1289	1	2086	1
1290	}	2087	}
1291		2088
		2089	# used to laod the header of an original map
1292	sub load_orig {	2090	sub load_header_orig {
1293	my ($self) = @_;	2091	my ($self) = @_;
1294		2092
1295	$self->load_header_from ($self->load_path)	2093	$self->load_header_from ($self->load_path)
1296	}	2094	}
1297		2095
		2096	# used to laod the header of an instantiated map
1298	sub load_temp {	2097	sub load_header_temp {
1299	my ($self) = @_;	2098	my ($self) = @_;
1300		2099
1301	$self->load_header_from ($self->save_path)	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	$self->instantiate;
1302	}	2122	}
1303		2123
1304	sub load_header {	2124	sub load_header {
1305	my ($self) = @_;	2125	my ($self) = @_;
1306		2126
1307	if ($self->load_temp) {	2127	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	2128	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	2129	} else {
1314	$self->load_orig	2130	$self->load_header_orig
1315	or return;	2131	or return;
1316		2132	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	2133	}
		2134
		2135	$self->{deny_reset} = 1
		2136	if $self->no_reset;
		2137
		2138	$self->default_region (cf::region::find_by_path $self->{path})
		2139	unless $self->default_region;
1322		2140
1323	1	2141	1
1324	}	2142	}
1325		2143
1326	sub find;	2144	sub find;
1327	sub find {	2145	sub find {
1328	my ($path, $origin) = @_;	2146	my ($path, $origin) = @_;
1329		2147
		2148	cf::cede_to_tick;
		2149
1330	$path = normalise $path, $origin && $origin->path;	2150	$path = normalise $path, $origin;
1331		2151
		2152	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	2153	my $guard2 = cf::lock_acquire "map_find:$path";
1333		2154
1334	$cf::MAP{$path} || do {	2155	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";
1336	my $map = new_from_path cf::map $path	2156	my $map = new_from_path cf::map $path
1337	or return;	2157	or return;
1338		2158
1339	$map->{last_save} = $cf::RUNTIME;	2159	$map->{last_save} = $cf::RUNTIME;
1340		2160
1341	$map->load_header	2161	$map->load_header
1342	or return;	2162	or return;
1343		2163
1344	if ($map->should_reset) {	2164	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2165	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	2166	#$cf::WAIT_FOR_TICK->wait;
		2167	undef $guard2;
		2168	undef $guard1;
1346	$map->reset;	2169	$map->reset;
1347	undef $guard;
1348	$map = find $path	2170	return find $path;
1349	or return;
1350	}	2171	}
1351		2172
1352	$cf::MAP{$path} = $map	2173	$cf::MAP{$path} = $map
1353	}	2174	}
1354	}	2175	}
		2176
		2177	sub pre_load { }
		2178	#sub post_load { } # XS
1355		2179
1356	sub load {	2180	sub load {
1357	my ($self) = @_;	2181	my ($self) = @_;
1358		2182
		2183	local $self->{deny_reset} = 1; # loading can take a long time
		2184
1359	my $path = $self->{path};	2185	my $path = $self->{path};
		2186
		2187	{
1360	my $guard = cf::lock_acquire "map_load:$path";	2188	my $guard = cf::lock_acquire "map_data:$path";
1361		2189
		2190	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	2191	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		2192
1364	$self->in_memory (cf::MAP_LOADING);	2193	$self->in_memory (cf::MAP_LOADING);
1365		2194
1366	$self->alloc;	2195	$self->alloc;
1367	$self->_load_objects ($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)
1368	or return;	2204	or return;
1369		2205
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2206	$self->post_load_original
1371	if delete $self->{load_original};	2207	if delete $self->{load_original};
1372		2208
1373	if (my $uniq = $self->uniq_path) {	2209	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	2210	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	2211	unless (aio_stat $uniq) {
		2212	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	2213	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	2214	$self->_load_objects ($f);
		2215	$f->resolve_delayed_derefs;
		2216	}
		2217	}
1378	}	2218	}
1379	}
1380		2219
1381	Coro::cede;	2220	$f->resolve_delayed_derefs;
		2221	} else {
		2222	$self->post_load_original
		2223	if delete $self->{load_original};
		2224	}
1382		2225
		2226	cf::cede_to_tick;
1383	# now do the right thing for maps	2227	# now do the right thing for maps
1384	$self->link_multipart_objects;	2228	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	2229	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	2230	unless $self->difficulty;
1394	Coro::cede;	2231	cf::cede_to_tick;
		2232
		2233	unless ($self->{deny_activate}) {
		2234	$self->decay_objects;
		2235	$self->fix_auto_apply;
		2236	$self->update_buttons;
		2237	cf::cede_to_tick;
1395	$self->activate;	2238	$self->activate;
1396	}	2239	}
1397		2240
		2241	$self->{last_save} = $cf::RUNTIME;
		2242	$self->last_access ($cf::RUNTIME);
		2243
1398	$self->in_memory (cf::MAP_IN_MEMORY);	2244	$self->in_memory (cf::MAP_ACTIVE);
1399	}	2245	}
1400		2246
		2247	$self->post_load;
		2248
		2249	1
		2250	}
		2251
		2252	# customize the map for a given player, i.e.
		2253	# return the _real_ map. used by e.g. per-player
		2254	# maps to change the path to ~playername/mappath
1401	sub customise_for {	2255	sub customise_for {
1402	my ($self, $ob) = @_;	2256	my ($self, $ob) = @_;
1403		2257
1404	return find "~" . $ob->name . "/" . $self->{path}	2258	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	2259	if $self->per_player;
1406		2260
		2261	# return find "?party/" . $ob->name . "/" . $self->{path}
		2262	# if $self->per_party;
		2263
1407	$self	2264	$self
1408	}	2265	}
1409		2266
1410	# find and load all maps in the 3x3 area around a map	2267	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	2268	sub load_neighbours {
1412	my ($map) = @_;	2269	my ($map) = @_;
1413		2270
1414	my @diag; # diagonal neighbours	2271	my @neigh; # diagonal neighbours
1415		2272
1416	for (0 .. 3) {	2273	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	2274	my $neigh = $map->tile_path ($_)
1418	or next;	2275	or next;
1419	$neigh = find $neigh, $map	2276	$neigh = find $neigh, $map
1420	or next;	2277	or next;
1421	$neigh->load;	2278	$neigh->load;
1422		2279
		2280	# now find the diagonal neighbours
		2281	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2282	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2283	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	2284	}
1426		2285
1427	for (@diag) {	2286	for (grep defined $_->[0], @neigh) {
		2287	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	2288	my $neigh = find $path, $origin
1429	or next;	2289	or next;
1430	$neigh->load;	2290	$neigh->load;
1431	}	2291	}
1432	}	2292	}
1433		2293
1434	sub find_sync {	2294	sub find_sync {
1435	my ($path, $origin) = @_;	2295	my ($path, $origin) = @_;
1436		2296
1437	cf::sync_job { find $path, $origin }	2297	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2298	if $Coro::current == $Coro::main;
		2299
		2300	find $path, $origin
1438	}	2301	}
1439		2302
1440	sub do_load_sync {	2303	sub do_load_sync {
1441	my ($map) = @_;	2304	my ($map) = @_;
1442		2305
1443	cf::sync_job { $map->load };	2306	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2307	if $Coro::current == $Coro::main;
		2308
		2309	$map->load;
1444	}	2310	}
1445		2311
1446	our %MAP_PREFETCH;	2312	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2313	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2314
1460	sub find_async {	2315	sub find_async {
1461	my ($path, $origin) = @_;	2316	my ($path, $origin, $load) = @_;
1462		2317
1463	$path = normalise $path, $origin && $origin->{path};	2318	$path = normalise $path, $origin;
1464		2319
1465	if (my $map = $cf::MAP{$path}) {	2320	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	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;
1467	}	2339	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2340	$MAP_PREFETCHER->prio (6);
1471		2341
1472	()	2342	()
1473	}	2343	}
1474		2344
		2345	# common code, used by both ->save and ->swapout
1475	sub save {	2346	sub _save {
1476	my ($self) = @_;	2347	my ($self) = @_;
1477
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;
1479		2348
1480	$self->{last_save} = $cf::RUNTIME;	2349	$self->{last_save} = $cf::RUNTIME;
1481		2350
1482	return unless $self->dirty;	2351	return unless $self->dirty;
1483		2352
…		…
1489	return if $self->{deny_save};	2358	return if $self->{deny_save};
1490		2359
1491	local $self->{last_access} = $self->last_access;#d#	2360	local $self->{last_access} = $self->last_access;#d#
1492		2361
1493	cf::async {	2362	cf::async {
		2363	$Coro::current->{desc} = "map player save";
1494	$_->contr->save for $self->players;	2364	$_->contr->save for $self->players;
1495	};	2365	};
		2366
		2367	cf::get_slot 0.02;
1496		2368
1497	if ($uniq) {	2369	if ($uniq) {
1498	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2370	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2371	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1500	} else {	2372	} else {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2373	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1502	}	2374	}
1503	}	2375	}
1504		2376
		2377	sub save {
		2378	my ($self) = @_;
		2379
		2380	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2381
		2382	$self->_save;
		2383	}
		2384
1505	sub swap_out {	2385	sub swap_out {
1506	my ($self) = @_;	2386	my ($self) = @_;
1507		2387
1508	# save first because save cedes
1509	$self->save;
1510
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2389
		2390	return if $self->in_memory != cf::MAP_ACTIVE;
		2391	return if $self->{deny_save};
1513	return if $self->players;	2392	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};
1516		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
		2400	$self->_save;
		2401
		2402	# then free the map
1517	$self->clear;	2403	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2404	}
1520		2405
1521	sub reset_at {	2406	sub reset_at {
1522	my ($self) = @_;	2407	my ($self) = @_;
1523		2408
1524	# TODO: safety, remove and allow resettable per-player maps	2409	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2410	return 1e99 if $self->{deny_reset};
1527		2411
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2412	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2413	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2414
…		…
1541	my ($self) = @_;	2425	my ($self) = @_;
1542		2426
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2427	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2428
1545	return if $self->players;	2429	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2430
1548	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	}
1549		2442
1550	delete $cf::MAP{$self->path};	2443	delete $cf::MAP{$self->path};
1551		2444
1552	$self->in_memory (cf::MAP_SWAPPED);	2445	$self->deactivate;
		2446	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2447	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2448
1557	$self->unlink_save;	2449	$self->unlink_save;
1558	$self->destroy;	2450	$self->destroy;
1559	}	2451	}
1560		2452
1561	my $nuke_counter = "aaaa";	2453	my $nuke_counter = "aaaa";
1562		2454
1563	sub nuke {	2455	sub nuke {
1564	my ($self) = @_;	2456	my ($self) = @_;
1565		2457
		2458	{
		2459	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2460
1566	delete $cf::MAP{$self->path};	2461	delete $cf::MAP{$self->path};
1567		2462
1568	$self->unlink_save;	2463	$self->unlink_save;
1569		2464
1570	bless $self, "cf::map";	2465	bless $self, "cf::map::wrap";
1571	delete $self->{deny_reset};	2466	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2467	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2468	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2469	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2470
1576	$cf::MAP{$self->path} = $self;	2471	$cf::MAP{$self->path} = $self;
		2472	}
1577		2473
1578	$self->reset; # polite request, might not happen	2474	$self->reset; # polite request, might not happen
		2475	}
		2476
		2477	=item $maps = cf::map::tmp_maps
		2478
		2479	Returns an arrayref with all map paths of currently instantiated and saved
		2480	maps. May block.
		2481
		2482	=cut
		2483
		2484	sub tmp_maps() {
		2485	[
		2486	map {
		2487	utf8::decode $_;
		2488	/\.map$/
		2489	? normalise $_
		2490	: ()
		2491	} @{ aio_readdir $TMPDIR or [] }
		2492	]
		2493	}
		2494
		2495	=item $maps = cf::map::random_maps
		2496
		2497	Returns an arrayref with all map paths of currently instantiated and saved
		2498	random maps. May block.
		2499
		2500	=cut
		2501
		2502	sub random_maps() {
		2503	[
		2504	map {
		2505	utf8::decode $_;
		2506	/\.map$/
		2507	? normalise "?random/$_"
		2508	: ()
		2509	} @{ aio_readdir $RANDOMDIR or [] }
		2510	]
1579	}	2511	}
1580		2512
1581	=item cf::map::unique_maps	2513	=item cf::map::unique_maps
1582		2514
1583	Returns an arrayref of paths of all shared maps that have	2515	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2516	instantiated unique items. May block.
1585		2517
1586	=cut	2518	=cut
1587		2519
1588	sub unique_maps() {	2520	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2521	[
1590	or return;	2522	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2523	utf8::decode $_;
1596	next if /\.pst$/;	2524	s/\.map$//; # TODO future compatibility hack
1597	next unless /^$PATH_SEP/o;	2525	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2526	? ()
		2527	: normalise $_
		2528	} @{ aio_readdir $UNIQUEDIR or [] }
		2529	]
		2530	}
1598		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) {
1599	s/\.map$//;	2553	s/\.map$// or next;
1600	push @paths, $_;	2554	utf8::decode $_;
1601	}	2555	push @maps, "$dir/$_";
		2556	}
1602		2557
1603	\@paths	2558	push @dirs, map "$dir/$_", @$dirs;
1604	}	2559	}
1605		2560
1606	package cf;	2561	\@maps
		2562	}
1607		2563
1608	=back	2564	=back
1609		2565
1610	=head3 cf::object	2566	=head3 cf::object
1611		2567
…		…
1615		2571
1616	=over 4	2572	=over 4
1617		2573
1618	=item $ob->inv_recursive	2574	=item $ob->inv_recursive
1619		2575
1620	Returns the inventory of the object _and_ their inventories, recursively.	2576	Returns the inventory of the object I<and> their inventories, recursively,
		2577	but I<not> the object itself.
1621		2578
1622	=cut	2579	=cut
1623		2580
1624	sub inv_recursive_;	2581	sub inv_recursive_;
1625	sub inv_recursive_ {	2582	sub inv_recursive_ {
…		…
1628		2585
1629	sub inv_recursive {	2586	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2587	inv_recursive_ inv $_[0]
1631	}	2588	}
1632		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	}
		2616	}
		2617
1633	package cf;	2618	package cf;
1634		2619
1635	=back	2620	=back
1636		2621
1637	=head3 cf::object::player	2622	=head3 cf::object::player
…		…
1643	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>
1644	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
1645	dialogue with the given NPC character.	2630	dialogue with the given NPC character.
1646		2631
1647	=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	};
1648		2647
1649	# rough implementation of a future "reply" method that works	2648	# rough implementation of a future "reply" method that works
1650	# with dialog boxes.	2649	# with dialog boxes.
1651	#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
1652	sub cf::object::player::reply($$$;$) {	2651	sub cf::object::player::reply($$$;$) {
…		…
1654		2653
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2655
1657	if ($self->{record_replies}) {	2656	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2658
1659	} 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 {
1660	$msg = $npc->name . " says: $msg" if $npc;	2667	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2668	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2669	}
1662	}	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 (@_);
1663	}	2681	}
1664		2682
1665	=item $player_object->may ("access")	2683	=item $player_object->may ("access")
1666		2684
1667	Returns wether the given player is authorized to access resource "access"	2685	Returns wether the given player is authorized to access resource "access"
…		…
1680		2698
1681	=item $player_object->enter_link	2699	=item $player_object->enter_link
1682		2700
1683	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}>).
1684		2702
1685	The player should be reasonably safe there for short amounts of time. You	2703	The player should be reasonably safe there for short amounts of time (e.g.
1686	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.
1687		2707
1688	Will never block.	2708	Will never block.
1689		2709
1690	=item $player_object->leave_link ($map, $x, $y)	2710	=item $player_object->leave_link ($map, $x, $y)
1691		2711
…		…
1699	=cut	2719	=cut
1700		2720
1701	sub link_map {	2721	sub link_map {
1702	unless ($LINK_MAP) {	2722	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2723	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2724	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2725	$LINK_MAP->load;
1706	}	2726	}
1707		2727
1708	$LINK_MAP	2728	$LINK_MAP
1709	}	2729	}
…		…
1711	sub cf::object::player::enter_link {	2731	sub cf::object::player::enter_link {
1712	my ($self) = @_;	2732	my ($self) = @_;
1713		2733
1714	$self->deactivate_recursive;	2734	$self->deactivate_recursive;
1715		2735
		2736	++$self->{_link_recursion};
		2737
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2738	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2739
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2740	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2741	if $self->map && $self->map->{path} ne "{link}";
1720		2742
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2743	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1722	}	2744	}
1723		2745
1724	sub cf::object::player::leave_link {	2746	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2747	my ($self, $map, $x, $y) = @_;
		2748
		2749	return unless $self->contr->active;
1726		2750
1727	my $link_pos = delete $self->{_link_pos};	2751	my $link_pos = delete $self->{_link_pos};
1728		2752
1729	unless ($map) {	2753	unless ($map) {
1730	# restore original map position	2754	# restore original map position
…		…
1741	($x, $y) = (-1, -1)	2765	($x, $y) = (-1, -1)
1742	unless (defined $x) && (defined $y);	2766	unless (defined $x) && (defined $y);
1743		2767
1744	# use -1 or undef as default coordinates, not 0, 0	2768	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2769	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2770	if $x <= 0 && $y <= 0;
1747		2771
1748	$map->load;	2772	$map->load;
1749	$map->load_diag;	2773	$map->load_neighbours;
1750		2774
1751	return unless $self->contr->active;	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
1752	$self->activate_recursive;	2782	$self->activate_recursive;
1753	$self->enter_map ($map, $x, $y);
1754	}
1755
1756	cf::player->attach (
1757	on_logout => sub {
1758	my ($pl) = @_;
1759
1760	# abort map switching before logout
1761	if ($pl->ob->{_link_pos}) {
1762	cf::sync_job {
1763	$pl->ob->leave_link
1764	};
1765	}
1766	},	2783	}
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2784
1770	# try to abort aborted map switching on player login :)	2785	}
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787		2786
1788	=item $player_object->goto ($path, $x, $y)	2787	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1789		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
1790	=cut	2798	=cut
		2799
		2800	our $GOTOGEN;
1791		2801
1792	sub cf::object::player::goto {	2802	sub cf::object::player::goto {
1793	my ($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;
1794		2813
1795	$self->enter_link;	2814	$self->enter_link;
1796		2815
1797	(async {	2816	(async {
1798	my $map = cf::map::find $path;	2817	$Coro::current->{desc} = "player::goto $path $x $y";
		2818
		2819	# *tag paths override both path and x|y
		2820	if ($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) {
1799	$map = $map->customise_for ($self) if $map;	2842	$map = $map->customise_for ($self);
1800		2843	$map = $check->($map, $x, $y, $self) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2844	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2845	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	}
1805		2847
		2848	$map
		2849	};
		2850
		2851	if ($@) {
		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 $@;
		2854	}
		2855
		2856	if ($gen == $self->{_goto_generation}) {
		2857	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2858	$self->leave_link ($map, $x, $y);
		2859	}
		2860
		2861	$done->($self) if $done;
1807	})->prio (1);	2862	})->prio (1);
1808	}	2863	}
1809		2864
1810	=item $player_object->enter_exit ($exit_object)	2865	=item $player_object->enter_exit ($exit_object)
1811		2866
…		…
1813		2868
1814	sub parse_random_map_params {	2869	sub parse_random_map_params {
1815	my ($spec) = @_;	2870	my ($spec) = @_;
1816		2871
1817	my $rmp = { # defaults	2872	my $rmp = { # defaults
1818	xsize => 10,	2873	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2874	ysize => (cf::rndm 15, 40),
		2875	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2876	#layout => string,
1820	};	2877	};
1821		2878
1822	for (split /\n/, $spec) {	2879	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2880	my ($k, $v) = split /\s+/, $_, 2;
1824		2881
…		…
1836	# that depends on the exit object	2893	# that depends on the exit object
1837		2894
1838	my $rmp = parse_random_map_params $exit->msg;	2895	my $rmp = parse_random_map_params $exit->msg;
1839		2896
1840	if ($exit->map) {	2897	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2898	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2899	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2900	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2901	$rmp->{origin_y} = $exit->y;
		2902
		2903	$exit->map->touch;
1845	}	2904	}
1846		2905
1847	$rmp->{random_seed} ||= $exit->random_seed;	2906	$rmp->{random_seed} ||= $exit->random_seed;
1848		2907
1849	my $data = cf::to_json $rmp;	2908	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850	my $md5 = Digest::MD5::md5_hex $data;	2909	my $md5 = Digest::MD5::md5_hex $data;
1851	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2910	my $meta = "$RANDOMDIR/$md5.meta";
1852		2911
1853	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2912	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1854	aio_write $fh, 0, (length $data), $data, 0;	2913	aio_write $fh, 0, (length $data), $data, 0;
1855	undef $fh;	2914	undef $fh;
1856	aio_rename "$meta~", $meta;	2915	aio_rename "$meta~", $meta;
1857		2916
		2917	my $slaying = "?random/$md5";
		2918
		2919	if ($exit->valid) {
1858	$exit->slaying ("?random/$md5");	2920	$exit->slaying ("?random/$md5");
1859	$exit->msg (undef);	2921	$exit->msg (undef);
		2922	}
1860	}	2923	}
1861	}	2924	}
1862		2925
1863	sub cf::object::player::enter_exit {	2926	sub cf::object::player::enter_exit {
1864	my ($self, $exit) = @_;	2927	my ($self, $exit) = @_;
…		…
1866	return unless $self->type == cf::PLAYER;	2929	return unless $self->type == cf::PLAYER;
1867		2930
1868	$self->enter_link;	2931	$self->enter_link;
1869		2932
1870	(async {	2933	(async {
1871	$self->deactivate_recursive; # just to be sure	2934	$Coro::current->{desc} = "enter_exit";
		2935
1872	unless (eval {	2936	unless (eval {
		2937	$self->deactivate_recursive; # just to be sure
		2938
		2939	# random map handling
		2940	{
		2941	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2942
1873	prepare_random_map $exit	2943	prepare_random_map $exit
1874	if $exit->slaying eq "/!";	2944	if $exit->slaying eq "/!";
		2945	}
1875		2946
1876	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
1877	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
1878		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
1879	1;	2957	1
1880	}) {	2958	}) {
1881	$self->message ("Something went wrong deep within the crossfire server. "	2959	$self->message ("Something went wrong deep within the deliantra server. "
1882	. "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. "
1883	. "Please report this to the dungeon master!",	2961	. "Please report this to the dungeon master!",
1884	cf::NDI_UNIQUE | cf::NDI_RED);	2962	cf::NDI_UNIQUE | cf::NDI_RED);
1885		2963
1886	warn "ERROR in enter_exit: $@";	2964	error "ERROR in enter_exit: $@";
1887	$self->leave_link;	2965	$self->leave_link;
1888	}	2966	}
1889	})->prio (1);	2967	})->prio (1);
1890	}	2968	}
1891		2969
…		…
1902		2980
1903	sub cf::client::send_drawinfo {	2981	sub cf::client::send_drawinfo {
1904	my ($self, $text, $flags) = @_;	2982	my ($self, $text, $flags) = @_;
1905		2983
1906	utf8::encode $text;	2984	utf8::encode $text;
1907	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2985	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1908	}	2986	}
1909		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	}
1910		3209
1911	=item $success = $client->query ($flags, "text", \&cb)	3210	=item $success = $client->query ($flags, "text", \&cb)
1912		3211
1913	Queues a query to the client, calling the given callback with	3212	Queues a query to the client, calling the given callback with
1914	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>,
1915	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>.
1916		3215
1917	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
1918	reliable at some point in the future.	3217	become reliable at some point in the future.
1919		3218
1920	=cut	3219	=cut
1921		3220
1922	sub cf::client::query {	3221	sub cf::client::query {
1923	my ($self, $flags, $text, $cb) = @_;	3222	my ($self, $flags, $text, $cb) = @_;
…		…
1931	utf8::encode $text;	3230	utf8::encode $text;
1932	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3231	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1933		3232
1934	$self->send_packet ($self->{query_queue}[0][0])	3233	$self->send_packet ($self->{query_queue}[0][0])
1935	if @{ $self->{query_queue} } == 1;	3234	if @{ $self->{query_queue} } == 1;
		3235
		3236	1
1936	}	3237	}
1937		3238
1938	cf::client->attach (	3239	cf::client->attach (
		3240	on_connect => sub {
		3241	my ($ns) = @_;
		3242
		3243	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3244	},
1939	on_reply => sub {	3245	on_reply => sub {
1940	my ($ns, $msg) = @_;	3246	my ($ns, $msg) = @_;
1941		3247
1942	# this weird shuffling is so that direct followup queries	3248	# this weird shuffling is so that direct followup queries
1943	# get handled first	3249	# get handled first
1944	my $queue = delete $ns->{query_queue}	3250	my $queue = delete $ns->{query_queue}
1945	or return; # be conservative, not sure how that can happen, but we saw a crash here	3251	or return; # be conservative, not sure how that can happen, but we saw a crash here
1946		3252
1947	(shift @$queue)->[1]->($msg);	3253	(shift @$queue)->[1]->($msg);
		3254	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1948		3255
1949	push @{ $ns->{query_queue} }, @$queue;	3256	push @{ $ns->{query_queue} }, @$queue;
1950		3257
1951	if (@{ $ns->{query_queue} } == @$queue) {	3258	if (@{ $ns->{query_queue} } == @$queue) {
1952	if (@$queue) {	3259	if (@$queue) {
…		…
1954	} else {	3261	} else {
1955	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3262	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1956	}	3263	}
1957	}	3264	}
1958	},	3265	},
		3266	on_exticmd => sub {
		3267	my ($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	},
1959	);	3292	);
1960		3293
1961	=item $client->async (\&cb)	3294	=item $client->async (\&cb)
1962		3295
1963	Create a new coroutine, running the specified callback. The coroutine will	3296	Create a new coroutine, running the specified callback. The coroutine will
…		…
1979		3312
1980	$coro	3313	$coro
1981	}	3314	}
1982		3315
1983	cf::client->attach (	3316	cf::client->attach (
1984	on_destroy => sub {	3317	on_client_destroy => sub {
1985	my ($ns) = @_;	3318	my ($ns) = @_;
1986		3319
1987	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3320	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1988	},	3321	},
1989	);	3322	);
…		…
2004	our $safe = new Safe "safe";	3337	our $safe = new Safe "safe";
2005	our $safe_hole = new Safe::Hole;	3338	our $safe_hole = new Safe::Hole;
2006		3339
2007	$SIG{FPE} = 'IGNORE';	3340	$SIG{FPE} = 'IGNORE';
2008		3341
2009	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3342	$safe->permit_only (Opcode::opset qw(
		3343	:base_core :base_mem :base_orig :base_math :base_loop
		3344	grepstart grepwhile mapstart mapwhile
		3345	sort time
		3346	));
2010		3347
2011	# here we export the classes and methods available to script code	3348	# here we export the classes and methods available to script code
2012		3349
2013	=pod	3350	=pod
2014		3351
2015	The following fucntions and emthods are available within a safe environment:	3352	The following functions and methods are available within a safe environment:
2016		3353
2017	cf::object contr pay_amount pay_player map	3354	cf::object
		3355	contr pay_amount pay_player map x y force_find force_add destroy
		3356	insert remove name archname title slaying race decrease split
		3357	value
		3358
2018	cf::object::player player	3359	cf::object::player
2019	cf::player peaceful	3360	player
2020	cf::map trigger	3361
		3362	cf::player
		3363	peaceful
		3364
		3365	cf::map
		3366	trigger
2021		3367
2022	=cut	3368	=cut
2023		3369
2024	for (	3370	for (
2025	["cf::object" => qw(contr pay_amount pay_player map)],	3371	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3372	insert remove inv nrof name archname title slaying race
		3373	decrease split destroy change_exp value msg lore send_msg)],
2026	["cf::object::player" => qw(player)],	3374	["cf::object::player" => qw(player)],
2027	["cf::player" => qw(peaceful)],	3375	["cf::player" => qw(peaceful send_msg)],
2028	["cf::map" => qw(trigger)],	3376	["cf::map" => qw(trigger)],
2029	) {	3377	) {
2030	no strict 'refs';
2031	my ($pkg, @funs) = @$_;	3378	my ($pkg, @funs) = @$_;
2032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3379	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2033	for @funs;	3380	for @funs;
2034	}	3381	}
2035		3382
…		…
2050		3397
2051	my $qcode = $code;	3398	my $qcode = $code;
2052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3399	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2053	$qcode =~ s/\n/\\n/g;	3400	$qcode =~ s/\n/\\n/g;
2054		3401
		3402	%vars = (_dummy => 0) unless %vars;
		3403
		3404	my @res;
2055	local $_;	3405	local $_;
2056	local @safe::cf::_safe_eval_args = values %vars;
2057		3406
2058	my $eval =	3407	my $eval =
2059	"do {\n"	3408	"do {\n"
2060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3409	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2061	. "#line 0 \"{$qcode}\"\n"	3410	. "#line 0 \"{$qcode}\"\n"
2062	. $code	3411	. $code
2063	. "\n}"	3412	. "\n}"
2064	;	3413	;
2065		3414
		3415	if ($CFG{safe_eval}) {
2066	sub_generation_inc;	3416	sub_generation_inc;
		3417	local @safe::cf::_safe_eval_args = values %vars;
2067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3418	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2068	sub_generation_inc;	3419	sub_generation_inc;
		3420	} else {
		3421	local @cf::_safe_eval_args = values %vars;
		3422	@res = wantarray ? eval eval : scalar eval $eval;
		3423	}
2069		3424
2070	if ($@) {	3425	if ($@) {
2071	warn "$@";	3426	warn "$@",
2072	warn "while executing safe code '$code'\n";	3427	"while executing safe code '$code'\n",
2073	warn "with arguments " . (join " ", %vars) . "\n";	3428	"with arguments " . (join " ", %vars) . "\n";
2074	}	3429	}
2075		3430
2076	wantarray ? @res : $res[0]	3431	wantarray ? @res : $res[0]
2077	}	3432	}
2078		3433
…		…
2092	=cut	3447	=cut
2093		3448
2094	sub register_script_function {	3449	sub register_script_function {
2095	my ($fun, $cb) = @_;	3450	my ($fun, $cb) = @_;
2096		3451
2097	no strict 'refs';	3452	$fun = "safe::$fun" if $CFG{safe_eval};
2098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3453	*$fun = $safe_hole->wrap ($cb);
2099	}	3454	}
2100		3455
2101	=back	3456	=back
2102		3457
2103	=cut	3458	=cut
2104		3459
2105	#############################################################################	3460	#############################################################################
		3461	# the server's init and main functions
2106		3462
2107	=head2 EXTENSION DATABASE SUPPORT	3463	sub load_facedata($) {
		3464	my ($path) = @_;
2108		3465
2109	Crossfire maintains a very simple database for extension use. It can	3466	# HACK to clear player env face cache, we need some signal framework
2110	currently store anything that can be serialised using Storable, which	3467	# for this (global event?)
2111	excludes objects.	3468	%ext::player_env::MUSIC_FACE_CACHE = ();
2112		3469
2113	The parameter C<$family> should best start with the name of the extension	3470	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2114	using it, it should be unique.
2115		3471
2116	=over 4	3472	trace "loading facedata from $path\n";
2117		3473
2118	=item $hashref = cf::db_get $family	3474	my $facedata = decode_storable load_file $path;
2119		3475
2120	Return a hashref for use by the extension C<$family>, which can be	3476	$facedata->{version} == 2
2121	modified. After modifications, you have to call C<cf::db_dirty> or	3477	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122	C<cf::db_sync>.
2123		3478
2124	=item $value = cf::db_get $family => $key	3479	# patch in the exptable
2125		3480	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2126	Returns a single value from the database	3481	$facedata->{resource}{"res/exp_table"} = {
2127		3482	type => FT_RSRC,
2128	=item cf::db_put $family => $hashref	3483	data => $exp_table,
2129		3484	hash => (Digest::MD5::md5 $exp_table),
2130	Stores the given family hashref into the database. Updates are delayed, if
2131	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2132
2133	=item cf::db_put $family => $key => $value
2134
2135	Stores the given C<$value> in the family hash. Updates are delayed, if you
2136	want the data to be synced to disk immediately, use C<cf::db_sync>.
2137
2138	=item cf::db_dirty
2139
2140	Marks the database as dirty, to be updated at a later time.
2141
2142	=item cf::db_sync
2143
2144	Immediately write the database to disk I<if it is dirty>.
2145
2146	=cut
2147
2148	our $DB;
2149
2150	{
2151	my $path = cf::localdir . "/database.pst";
2152
2153	sub db_load() {
2154	$DB = stat $path ? Storable::retrieve $path : { };
2155	}
2156
2157	my $pid;
2158
2159	sub db_save() {
2160	waitpid $pid, 0 if $pid;
2161	if (0 == ($pid = fork)) {
2162	$DB->{_meta}{version} = 1;
2163	Storable::nstore $DB, "$path~";
2164	rename "$path~", $path;
2165	cf::_exit 0 if defined $pid;
2166	}
2167	}
2168
2169	my $dirty;
2170
2171	sub db_sync() {
2172	db_save if $dirty;
2173	undef $dirty;
2174	}
2175
2176	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2177	db_sync;
2178	});	3485	};
		3486	cf::cede_to_tick;
2179		3487
2180	sub db_dirty() {
2181	$dirty = 1;
2182	$idle->start;
2183	}	3488	{
		3489	my $faces = $facedata->{faceinfo};
2184		3490
2185	sub db_get($;$) {	3491	while (my ($face, $info) = each %$faces) {
2186	@_ >= 2	3492	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2187	? $DB->{$_[0]}{$_[1]}
2188	: ($DB->{$_[0]} ||= { })
2189	}
2190		3493
2191	sub db_put($$;$) {	3494	cf::face::set_visibility $idx, $info->{visibility};
2192	if (@_ >= 3) {	3495	cf::face::set_magicmap $idx, $info->{magicmap};
2193	$DB->{$_[0]}{$_[1]} = $_[2];	3496	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2194	} else {	3497	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2195	$DB->{$_[0]} = $_[1];	3498	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2196	}
2197	db_dirty;
2198	}
2199		3499
2200	cf::global->attach (	3500	cf::cede_to_tick;
2201	prio => 10000,
2202	on_cleanup => sub {
2203	db_sync;
2204	},	3501	}
2205	);
2206	}
2207		3502
2208	#############################################################################	3503	while (my ($face, $info) = each %$faces) {
2209	# the server's main()	3504	next unless $info->{smooth};
2210		3505
2211	sub cfg_load {	3506	my $idx = cf::face::find $face
2212	open my $fh, "<:utf8", cf::confdir . "/config"	3507	or next;
2213	or return;
2214		3508
2215	local $/;	3509	if (my $smooth = cf::face::find $info->{smooth}) {
2216	*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	}
2217		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
2218	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3641	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2219		3642
2220	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3643	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2221	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3644	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2222		3645
2223	if (exists $CFG{mlockall}) {	3646	if (exists $CFG{mlockall}) {
…		…
2227	};	3650	};
2228	warn $@ if $@;	3651	warn $@ if $@;
2229	}	3652	}
2230	}	3653	}
2231		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;
		3681	}
		3682
2232	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
2233	# we must not ever block the main coroutine	3693	# we must not ever block the main coroutine
2234	local $Coro::idle = sub {	3694	local $Coro::idle = sub {
2235	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#
2236	(async {	3696	(async {
2237	Event::one_event;	3697	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3698	EV::loop EV::LOOP_ONESHOT;
2238	})->prio (Coro::PRIO_MAX);	3699	})->prio (Coro::PRIO_MAX);
2239	};	3700	};
2240		3701
2241	cfg_load;	3702	evthread_start IO::AIO::poll_fileno;
2242	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
2243	load_extensions;	3725	load_extensions;
2244	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;
2245	}	3745	}
2246		3746
2247	#############################################################################	3747	#############################################################################
2248	# initialisation and cleanup	3748	# initialisation and cleanup
2249		3749
2250	# install some emergency cleanup handlers	3750	# install some emergency cleanup handlers
2251	BEGIN {	3751	BEGIN {
		3752	our %SIGWATCHER = ();
2252	for my $signal (qw(INT HUP TERM)) {	3753	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3754	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2254	data => WF_AUTOCANCEL,
2255	signal => $signal,
2256	cb => sub {
2257	cf::cleanup "SIG$signal";	3755	cf::cleanup "SIG$signal";
2258	},
2259	);	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
2260	}	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 };
2261	}	3846	}
2262		3847
2263	sub emergency_save() {	3848	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3849	my $freeze_guard = cf::freeze_mainloop;
2265		3850
2266	warn "enter emergency perl save\n";	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;
2267		3857
2268	cf::sync_job {	3858	cf::sync_job {
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
2269	# use a peculiar iteration method to avoid tripping on perl	3861	# use a peculiar iteration method to avoid tripping on perl
2270	# refcount bugs in for. also avoids problems with players	3862	# refcount bugs in for. also avoids problems with players
2271	# and maps saved/destroyed asynchronously.	3863	# and maps saved/destroyed asynchronously.
2272	warn "begin emergency player save\n";	3864	info "emergency_perl_save: begin player save\n";
2273	for my $login (keys %cf::PLAYER) {	3865	for my $login (keys %cf::PLAYER) {
2274	my $pl = $cf::PLAYER{$login} or next;	3866	my $pl = $cf::PLAYER{$login} or next;
2275	$pl->valid or next;	3867	$pl->valid or next;
		3868	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2276	$pl->save;	3869	$pl->save;
2277	}	3870	}
2278	warn "end emergency player save\n";	3871	info "emergency_perl_save: end player save\n";
2279		3872
2280	warn "begin emergency map save\n";	3873	cf::write_runtime_sync; # external watchdog should not bark
		3874
		3875	info "emergency_perl_save: begin map save\n";
2281	for my $path (keys %cf::MAP) {	3876	for my $path (keys %cf::MAP) {
2282	my $map = $cf::MAP{$path} or next;	3877	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3878	$map->valid or next;
2284	$map->save;	3879	$map->save;
2285	}	3880	}
2286	warn "end emergency map save\n";	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
2287	};	3911	};
2288		3912
2289	warn "leave emergency perl save\n";	3913	info "emergency_perl_save: leave\n";
2290	}	3914	}
2291		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
2292	sub reload() {	3953	sub do_reload_perl() {
2293	# can/must only be called in main	3954	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3955	unless (in_main) {
2295	warn "can only reload from main coroutine\n";	3956	error "can only reload from main coroutine";
2296	return;	3957	return;
2297	}	3958	}
2298		3959
2299	warn "reloading...";	3960	return if $RELOAD++;
2300		3961
2301	warn "freezing server";	3962	my $t1 = AE::time;
2302	my $guard = freeze_mainloop;	3963
		3964	while ($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 {
2303	cf::emergency_save;	3971	#cf::emergency_save;
2304		3972
2305	warn "sync database to disk";	3973	trace "perl_reload: cancelling all extension coros";
2306	cf::db_sync;
2307	IO::AIO::flush;
2308
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved
2311
2312	warn "cancel all watchers";
2313	for (Event::all_watchers) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;
2315	}
2316
2317	warn "cancel all extension coros";
2318	$_->cancel for values %EXT_CORO;	3974	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	3975	%EXT_CORO = ();
2320		3976
2321	warn "remove commands";	3977	trace "perl_reload: removing commands";
2322	%COMMAND = ();	3978	%COMMAND = ();
2323		3979
2324	warn "remove ext commands";	3980	trace "perl_reload: removing ext/exti commands";
2325	%EXTCMD = ();	3981	%EXTCMD = ();
		3982	%EXTICMD = ();
2326		3983
2327	warn "unload/nuke all extensions";	3984	trace "perl_reload: unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	3985	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	3986	trace "... unloading $pkg";
2330		3987
2331	if (my $cb = $pkg->can ("unload")) {	3988	if (my $cb = $pkg->can ("unload")) {
2332	eval {	3989	eval {
2333	$cb->($pkg);	3990	$cb->($pkg);
2334	1	3991	1
2335	} or warn "$pkg unloaded, but with errors: $@";	3992	} or error "$pkg unloaded, but with errors: $@";
		3993	}
		3994
		3995	trace "... clearing $pkg";
		3996	clear_package $pkg;
2336	}	3997	}
2337		3998
2338	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;
2340	}
2341
2342	warn "unload all perl modules loaded from $LIBDIR";	3999	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	4000	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4001	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		4002
2346	warn "removing <$k>";	4003	trace "... unloading $k";
2347	delete $INC{$k};	4004	delete $INC{$k};
2348		4005
2349	$k =~ s/\.pm$//;	4006	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	4007	$k =~ s/\//::/g;
2351		4008
2352	if (my $cb = $k->can ("unload_module")) {	4009	if (my $cb = $k->can ("unload_module")) {
2353	$cb->();	4010	$cb->();
		4011	}
		4012
		4013	clear_package $k;
2354	}	4014	}
2355		4015
2356	Symbol::delete_package $k;
2357	}
2358
2359	warn "get rid of safe::, as good as possible";	4016	trace "perl_reload: getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	4017	clear_package "safe::$_"
2361	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);
2362		4019
2363	warn "unload cf.pm \"a bit\"";	4020	trace "perl_reload: unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	4021	delete $INC{"cf.pm"};
		4022	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2365		4023
2366	# don't, removes xs symbols, too,	4024	# don't, removes xs symbols, too,
2367	# and global variables created in xs	4025	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	4026	#clear_package __PACKAGE__;
2369		4027
2370	warn "reloading cf.pm";	4028	info "perl_reload: unload completed, starting to reload now";
		4029
		4030	trace "perl_reload: reloading cf.pm";
2371	require cf;	4031	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4032	cf::_connect_to_perl_1;
2373		4033
2374	warn "load config and database again";	4034	trace "perl_reload: loading config and database again";
2375	cf::cfg_load;	4035	cf::reload_config;
2376	cf::db_load;
2377		4036
2378	warn "load extensions";	4037	trace "perl_reload: loading extensions";
2379	cf::load_extensions;	4038	cf::load_extensions;
2380		4039
		4040	if ($REATTACH_ON_RELOAD) {
2381	warn "reattach attachments to objects/players";	4041	trace "perl_reload: reattaching attachments to objects/players";
2382	_global_reattach;	4042	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	4043	trace "perl_reload: reattaching attachments to maps";
2384	reattach $_ for values %MAP;	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 $RELOAD_WATCHER;
		4078	};
2385	};	4079	};
2386		4080	}
2387	if ($@) {
2388	warn $@;
2389	warn "error while reloading, exiting.";
2390	exit 1;
2391	}
2392
2393	warn "reloaded";
2394	};
2395
2396	our $RELOAD_WATCHER; # used only during reload
2397		4081
2398	register_command "reload" => sub {	4082	register_command "reload" => sub {
2399	my ($who, $arg) = @_;	4083	my ($who, $arg) = @_;
2400		4084
2401	if ($who->flag (FLAG_WIZ)) {	4085	if ($who->flag (FLAG_WIZ)) {
2402	$who->message ("reloading server.");	4086	$who->message ("reloading server.");
2403		4087	async {
2404	# doing reload synchronously and two reloads happen back-to-back,	4088	$Coro::current->{desc} = "perl_reload";
2405	# coro crashes during coro_state_free->destroy here.
2406
2407	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2408	reload;	4089	reload_perl;
2409	undef $RELOAD_WATCHER;
2410	});	4090	};
2411	}	4091	}
2412	};	4092	};
2413		4093
2414	unshift @INC, $LIBDIR;	4094	#############################################################################
2415		4095
2416	$TICK_WATCHER = Event->timer (	4096	my $bug_warning = 0;
2417	reentrant => 0,
2418	prio => 0,
2419	at => $NEXT_TICK || $TICK,
2420	data => WF_AUTOCANCEL,
2421	cb => sub {
2422	$NOW = Event::time;
2423		4097
		4098	our @WAIT_FOR_TICK;
		4099	our @WAIT_FOR_TICK_BEGIN;
		4100
		4101	sub wait_for_tick() {
		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
2424	cf::server_tick; # one server iteration	4124	cf::server_tick; # one server iteration
2425	$RUNTIME += $TICK;
2426	$NEXT_TICK += $TICK;
2427		4125
2428	$WAIT_FOR_TICK->broadcast;	4126	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2429	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2430		4127
2431	# if we are delayed by four ticks or more, skip them all	4128	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2432	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4129	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2433		4130	Coro::async_pool {
2434	$TICK_WATCHER->at ($NEXT_TICK);	4131	$Coro::current->{desc} = "runtime saver";
2435	$TICK_WATCHER->start;
2436	},
2437	);
2438
2439	IO::AIO::max_poll_time $TICK * 0.2;
2440
2441	$AIO_POLL_WATCHER = Event->io (
2442	fd => IO::AIO::poll_fileno,
2443	poll => 'r',
2444	prio => 5,
2445	data => WF_AUTOCANCEL,
2446	cb => \&IO::AIO::poll_cb,
2447	);
2448
2449	$WRITE_RUNTIME_WATCHER = Event->timer (
2450	data => WF_AUTOCANCEL,
2451	after => 0,
2452	interval => 10,
2453	cb => sub {
2454	(Coro::unblock_sub {
2455	write_runtime	4132	write_runtime_sync
2456	or warn "ERROR: unable to write runtime file: $!";	4133	or error "ERROR: unable to write runtime file: $!";
2457	})->();	4134	};
2458	},	4135	}
2459	);	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;
2460		4256
2461	END { cf::emergency_save }	4257	END { cf::emergency_save }
2462		4258
2463	1	4259	1
2464		4260

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