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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 2007 UTC vs.
Revision 1.561 by root, Fri Apr 22 06:10:33 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
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 + 90 + 10;	668	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		669
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	670	sub post_fork {
359	and return;	671	reset_signals;
		672	}
360		673
361	aio_fsync $fh	674	sub fork_call(&@) {
362	and return;	675	my ($cb, @args) = @_;
363		676
364	close $fh	677	# we seemingly have to make a local copy of the whole thing,
365	or return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
367	aio_rename "$runtime~", $runtime	681	my @res = Coro::Util::fork_eval {
368	and return;	682	cf::post_fork;
		683	&$cb
		684	} @args;
369		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
370	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 });
371	}	864	}
372		865
373	=back	866	=back
374		867
375	=cut	868	=cut
376		869
377	#############################################################################	870	#############################################################################
378		871
379	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
380		873
381	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
382	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")
383	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
384		877
385	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>
386	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
387	crossfire+).	880	Deliantra).
388		881
389	=over 4	882	=over 4
390		883
391	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
392		885
…		…
436	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
437		930
438	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
439	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
440		933
441	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
442	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.
443		936
444	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
445		938
446	=over 4	939	=over 4
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
556		1049
557	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		1054
562	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
564		1057
565	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
570		1063
571	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
572	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
573		1066
574	} elsif (ref $type) {	1067	} elsif (ref $type) {
575	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
576		1069
577	} else {	1070	} else {
578	shift @arg;	1071	shift @arg;
579	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
580	}	1073	}
581	}	1074	}
582	}	1075	}
583		1076
584	sub _object_attach {	1077	sub _object_attach {
…		…
594	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
595	}	1088	}
596		1089
597	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
598	} else {	1091	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
600	}	1093	}
601		1094
602	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
603	}	1096	}
604		1097
…		…
606	if (ref $_[0]) {	1099	if (ref $_[0]) {
607	_object_attach @_;	1100	_object_attach @_;
608	} else {	1101	} else {
609	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
610	}	1103	}
		1104	_recalc_want;
611	};	1105	};
612		1106
613	# all those should be optimised	1107	# all those should be optimised
614	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
619	reattach ($obj);	1113	reattach ($obj);
620	} else {	1114	} else {
621	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
622	}	1116	}
		1117	_recalc_want;
623	};	1118	};
624		1119
625	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
627		1122
…		…
642	";	1137	";
643	die if $@;	1138	die if $@;
644	}	1139	}
645		1140
646	our $override;	1141	our $override;
647	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?
648		1143
649	sub override {	1144	sub override {
650	$override = 1;	1145	$override = 1;
651	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
652	}	1147	}
653		1148
654	sub do_invoke {	1149	sub do_invoke {
655	my $event = shift;	1150	my $event = shift;
656	my $callbacks = shift;	1151	my $callbacks = shift;
657		1152
658	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
659		1154
660	local $override;	1155	local $override;
661		1156
662	for (@$callbacks) {	1157	for (@$callbacks) {
663	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
664		1159
665	if ($@) {	1160	if ($@) {
666	warn "$@";
667	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
668	override;	1162	override;
669	}	1163	}
670		1164
671	return 1 if $override;	1165	return 1 if $override;
672	}	1166	}
673		1167
674	0	1168	0
675	}	1169	}
676		1170
677	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678		1172
679	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680		1174
681	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
682		1176
683	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
684	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
685	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		1180
687	=back	1181	=back
688		1182
689	=cut	1183	=cut
690		1184
691	#############################################################################	1185	#############################################################################
692	# 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	}
693		1229
694	sub reattach {	1230	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	1232	my ($obj) = @_;
697		1233
		1234	# no longer needed after getting rid of delete_package?
698	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
699		1236
700	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
701		1238
702	@$registry = ();	1239	@$registry = ();
703		1240
…		…
708	for (@$attach) {	1245	for (@$attach) {
709	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
710	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
711	}	1248	}
712	} else {	1249	} else {
713	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
714	}	1251	}
715	}	1252	}
716	}	1253	}
717		1254
718	cf::attachable->attach (	1255	cf::attachable->attach (
719	prio => -1000000,	1256	prio => -1000000,
720	on_instantiate => sub {	1257	on_instantiate => sub {
721	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
722		1259
723	$data = from_json $data;	1260	$data = decode_json $data;
724		1261
725	for (@$data) {	1262	for (@$data) {
726	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
727		1264
728	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
744	sub object_freezer_save {	1281	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
746		1283
747	sync_job {	1284	sync_job {
748	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
749	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
751		1290
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
754	aio_write $fh, 0, (length $$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;
755	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
756	close $fh;	1298	aio_close $fh;
757		1299
758	if (@$objs) {	1300	if (@$objs) {
759	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) {
760	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762	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;
763	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
764	close $fh;	1309	aio_close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
766	}	1311	}
767	} else {	1312	} else {
768	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
769	}	1314	}
770		1315
771	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
772	} else {	1320	} else {
773	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
774	}	1322	}
775	} else {	1323	} else {
776	aio_unlink $filename;	1324	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
778	}	1326	}
779	}	1327	};
780	}	1328	}
781		1329
782	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
784		1332
…		…
796	or return;	1344	or return;
797		1345
798	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
800	or return;	1348	or return;
		1349
801	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
802	}	1352	}
803		1353
		1354	utf8::decode (my $decname = $filename);
804	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
806	return ($data, $av);	1359	($data, $av)
807	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
808		1367
809	#############################################################################	1368	#############################################################################
810	# command handling &c	1369	# command handling &c
811		1370
812	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1385	}
827		1386
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1388
830	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.
831		1394
832	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
833	called.	1396	called.
834		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
835	=cut	1409	=cut
836		1410
837	sub register_extcmd {	1411	sub register_extcmd {
838	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
839		1413
840	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
841	}	1415	}
842		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
843	cf::player->attach (	1425	cf::player->attach (
844	on_command => sub {	1426	on_unknown_command => sub {
845	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
846		1428
847	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
848	or return;	1430	or return;
849		1431
…		…
854	cf::override;	1436	cf::override;
855	},	1437	},
856	on_extcmd => sub {	1438	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
858		1440
859	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1442
861	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
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
867	} else {	1458	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1460	}
870		1461
871	cf::override;	1462	cf::override;
872	},	1463	},
873	);	1464	);
874		1465
		1466	# "readahead" all extensions
875	sub load_extension {	1467	sub cache_extensions {
876	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
877		1469
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
879	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
880	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}	1473	}
903	die $@;
904	}	1474	};
905		1475
906	push @EXTS, $pkg;	1476	$grp
907	}	1477	}
908		1478
909	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
910	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1486	next unless -r $path;
912	eval {	1487
913	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	}
914	1	1551	}
915	} 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	}
916	}	1564	};
917	}	1565	}
918		1566
919	#############################################################################	1567	#############################################################################
920		1568
		1569	=back
		1570
921	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
922		1572
923	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
924		1574
925	=cut	1575	=cut
926		1576
927	package cf::player;	1577	package cf::player;
928		1578
…		…
930		1580
931	=head3 cf::player	1581	=head3 cf::player
932		1582
933	=over 4	1583	=over 4
934		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
935	=item cf::player::find $login	1599	=item cf::player::find $login
936		1600
937	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
938		1602
939	=cut	1603	=cut
940		1604
941	sub playerdir($) {	1605	sub playerdir($) {
942	cf::localdir	1606	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1608	}
948		1609
949	sub path($) {	1610	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1612
952	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
953	}	1614	}
954		1615
955	sub find_active($) {	1616	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
960		1621
961	sub exists($) {	1622	sub exists($) {
962	my ($login) = @_;	1623	my ($login) = @_;
963		1624
964	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
965	or cf::sync_job { !aio_stat path $login }	1626	or !aio_stat path $login
966	}	1627	}
967		1628
968	sub find($) {	1629	sub find($) {
969	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
970	my $login = $_[0];	1631	my $login = $_[0];
971		1632
972	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
973		1634
974	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
975	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
976	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;
977	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
978	}	1652	}
979	}	1653	}
980	}	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	);
981		1668
982	sub save($) {	1669	sub save($) {
983	my ($pl) = @_;	1670	my ($pl) = @_;
984		1671
985	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
990	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
991		1678
992	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
994		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
995	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
996	Coro::cede;	1688	cf::cede_to_tick;
997	}	1689	}
998		1690
999	sub new($) {	1691	sub new($) {
1000	my ($login) = @_;	1692	my ($login) = @_;
1001		1693
…		…
1007	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1008		1700
1009	$self	1701	$self
1010	}	1702	}
1011		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
1012	=item $pl->quit_character	1714	=item $pl->quit_character
1013		1715
1014	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
1015	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1016		1718
1017	=cut	1719	=cut
1018		1720
1019	sub quit_character {	1721	sub quit_character {
1020	my ($pl) = @_;	1722	my ($pl) = @_;
1021		1723
		1724	my $name = $pl->ob->name;
		1725
1022	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1023	$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
1024		1728
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1026	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1027	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1028	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1029		1737
1030	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1034	$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
1035	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;
1036	}	1764	}
1037		1765
1038	=item cf::player::list_logins	1766	=item cf::player::list_logins
1039		1767
1040	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
1041	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1042		1770
1043	=cut	1771	=cut
1044		1772
1045	sub list_logins {	1773	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1775	or return [];
1048		1776
1049	my @logins;	1777	my @logins;
1050		1778
1051	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") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1055		1789
1056	utf8::decode $login;	1790	utf8::decode $login;
1057	push @logins, $login;	1791	push @logins, $login;
1058	}	1792	}
1059		1793
1060	\@logins	1794	\@logins
1061	}	1795	}
1062		1796
1063	=item $player->maps	1797	=item $player->maps
1064		1798
		1799	=item cf::player::maps $login
		1800
1065	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1066	player. May block.	1802	player. May block.
1067		1803
1068	=cut	1804	=cut
1069		1805
1070	sub maps($) {	1806	sub maps($) {
1071	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1810
1073	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1074	or return;	1812	or return;
1075		1813
1076	my @paths;	1814	my @paths;
…		…
1078	for (@$files) {	1816	for (@$files) {
1079	utf8::decode $_;	1817	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1082		1820
1083	s/\.map$//;	1821	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1822	}
1086		1823
1087	\@paths	1824	\@paths
1088	}	1825	}
1089		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1091		1832
1092	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1093		1834
1094	=cut	1835	=cut
1095		1836
1096	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1098		1839
1099	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1841	}
1103		1842
1104	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		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	}
1105		1885
1106	=back	1886	=back
1107
1108		1887
1109	=head3 cf::map	1888	=head3 cf::map
1110		1889
1111	=over 4	1890	=over 4
1112		1891
…		…
1124	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1125	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1126		1905
1127	sub generate_random_map {	1906	sub generate_random_map {
1128	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1129	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1130	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1131	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134	$rmp->{exit_on_final_map},
1135	$rmp->{xsize}, $rmp->{ysize},
1136	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141	(cf::region::find $rmp->{region}), $rmp->{custom}
1142	)
1143	}	1912	}
		1913
		1914	=item cf::map->register ($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
1144		1921
1145	sub register {	1922	sub register {
1146	my (undef, $regex) = @_;	1923	my (undef, $regex, $prio) = @_;
1147	my $pkg = caller;	1924	my $pkg = caller;
1148		1925
1149	no strict;
1150	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1151		1927
1152	$EXT_MAP{$pkg} = qr<$regex>;	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153	}	1929	}
1154		1930
1155	# also paths starting with '/'	1931	# also paths starting with '/'
1156	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1157		1933
1158	sub thawer_merge {	1934	sub thawer_merge {
1159	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1160		1936
1161	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1162	local $self->{path};	1938	local $self->{path};
1163	local $self->{load_path};	1939	local $self->{load_path};
1164	local $self->{deny_save};
1165	local $self->{deny_reset};
1166		1940
1167	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1168	}	1942	}
1169		1943
1170	sub normalise {	1944	sub normalise {
1171	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
		1946
		1947	$path = "$path"; # make sure it's a string
		1948
		1949	$path =~ s/\.map$//;
1172		1950
1173	# map plan:	1951	# map plan:
1174	#	1952	#
1175	# /! non-realised random map exit (special hack!)	1953	# /! non-realised random map exit (special hack!)
1176	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
…		…
1189	$base =~ s{[^/]+/?$}{};	1967	$base =~ s{[^/]+/?$}{};
1190	$path = "$base/$path";	1968	$path = "$base/$path";
1191	}	1969	}
1192		1970
1193	for ($path) {	1971	for ($path) {
1194	redo if s{//}{/};
1195	redo if s{/\.?/}{/};	1972	redo if s{/\.?/}{/};
1196	redo if s{/[^/]+/\.\./}{/};	1973	redo if s{/[^/]+/\.\./}{/};
1197	}	1974	}
1198		1975
1199	$path	1976	$path
…		…
1204		1981
1205	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1982	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1206		1983
1207	$path = normalise $path, $base;	1984	$path = normalise $path, $base;
1208		1985
1209	for my $pkg (keys %EXT_MAP) {	1986	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210	if ($path =~ $EXT_MAP{$pkg}) {	1987	if ($path =~ $EXT_MAP{$pkg}[1]) {
1211	my $self = bless cf::map::new, $pkg;	1988	my $self = bless cf::map::new, $pkg;
1212	$self->{path} = $path; $self->path ($path);	1989	$self->{path} = $path; $self->path ($path);
1213	$self->init; # pass $1 etc.	1990	$self->init; # pass $1 etc.
1214	return $self;	1991	return $self;
1215	}	1992	}
1216	}	1993	}
1217		1994
1218	Carp::carp "unable to resolve path '$path'.";	1995	Carp::cluck "unable to resolve path '$path' (base '$base')";
1219	()	1996	()
1220	}	1997	}
1221		1998
		1999	# may re-bless or do other evil things
1222	sub init {	2000	sub init {
1223	my ($self) = @_;	2001	my ($self) = @_;
1224		2002
1225	$self	2003	$self
1226	}	2004	}
…		…
1238		2016
1239	# the original (read-only) location	2017	# the original (read-only) location
1240	sub load_path {	2018	sub load_path {
1241	my ($self) = @_;	2019	my ($self) = @_;
1242		2020
1243	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2021	"$MAPDIR/$self->{path}.map"
1244	}	2022	}
1245		2023
1246	# the temporary/swap location	2024	# the temporary/swap location
1247	sub save_path {	2025	sub save_path {
1248	my ($self) = @_;	2026	my ($self) = @_;
1249		2027
1250	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2028	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2029	"$TMPDIR/$path.map"
1252	}	2030	}
1253		2031
1254	# the unique path, undef == no special unique path	2032	# the unique path, undef == no special unique path
1255	sub uniq_path {	2033	sub uniq_path {
1256	my ($self) = @_;	2034	my ($self) = @_;
1257		2035
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2036	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2037	"$UNIQUEDIR/$path"
1260	}	2038	}
1261		2039
1262	# and all this just because we cannot iterate over	2040	sub decay_objects {
1263	# all maps in C++...
1264	sub change_all_map_light {
1265	my ($change) = @_;	2041	my ($self) = @_;
1266		2042
1267	$_->change_map_light ($change)	2043	return if $self->{deny_reset};
1268	for grep $_->outdoor, values %cf::MAP;	2044
		2045	$self->do_decay_objects;
1269	}	2046	}
1270		2047
1271	sub unlink_save {	2048	sub unlink_save {
1272	my ($self) = @_;	2049	my ($self) = @_;
1273		2050
…		…
1278		2055
1279	sub load_header_from($) {	2056	sub load_header_from($) {
1280	my ($self, $path) = @_;	2057	my ($self, $path) = @_;
1281		2058
1282	utf8::encode $path;	2059	utf8::encode $path;
1283	aio_open $path, O_RDONLY, 0	2060	my $f = new_from_file cf::object::thawer $path
1284	or return;	2061	or return;
1285		2062
1286	$self->_load_header ($path)	2063	$self->_load_header ($f)
1287	or return;	2064	or return;
1288		2065
		2066	local $MAP_LOADING{$self->{path}} = $self;
		2067	$f->resolve_delayed_derefs;
		2068
1289	$self->{load_path} = $path;	2069	$self->{load_path} = $path;
1290		2070
1291	1	2071	1
1292	}	2072	}
1293		2073
1294	sub load_orig {	2074	sub load_header_orig {
1295	my ($self) = @_;	2075	my ($self) = @_;
1296		2076
1297	$self->load_header_from ($self->load_path)	2077	$self->load_header_from ($self->load_path)
1298	}	2078	}
1299		2079
1300	sub load_temp {	2080	sub load_header_temp {
1301	my ($self) = @_;	2081	my ($self) = @_;
1302		2082
1303	$self->load_header_from ($self->save_path)	2083	$self->load_header_from ($self->save_path)
		2084	}
		2085
		2086	sub prepare_temp {
		2087	my ($self) = @_;
		2088
		2089	$self->last_access ((delete $self->{last_access})
		2090	|| $cf::RUNTIME); #d#
		2091	# safety
		2092	$self->{instantiate_time} = $cf::RUNTIME
		2093	if $self->{instantiate_time} > $cf::RUNTIME;
		2094	}
		2095
		2096	sub prepare_orig {
		2097	my ($self) = @_;
		2098
		2099	$self->{load_original} = 1;
		2100	$self->{instantiate_time} = $cf::RUNTIME;
		2101	$self->last_access ($cf::RUNTIME);
		2102	$self->instantiate;
1304	}	2103	}
1305		2104
1306	sub load_header {	2105	sub load_header {
1307	my ($self) = @_;	2106	my ($self) = @_;
1308		2107
1309	if ($self->load_temp) {	2108	if ($self->load_header_temp) {
1310	$self->last_access ((delete $self->{last_access})	2109	$self->prepare_temp;
1311	|| $cf::RUNTIME); #d#
1312	# safety
1313	$self->{instantiate_time} = $cf::RUNTIME
1314	if $self->{instantiate_time} > $cf::RUNTIME;
1315	} else {	2110	} else {
1316	$self->load_orig	2111	$self->load_header_orig
1317	or return;	2112	or return;
1318		2113	$self->prepare_orig;
1319	$self->{load_original} = 1;
1320	$self->{instantiate_time} = $cf::RUNTIME;
1321	$self->last_access ($cf::RUNTIME);
1322	$self->instantiate;
1323	}	2114	}
		2115
		2116	$self->{deny_reset} = 1
		2117	if $self->no_reset;
		2118
		2119	$self->default_region (cf::region::find_by_path $self->{path})
		2120	unless $self->default_region;
1324		2121
1325	1	2122	1
1326	}	2123	}
1327		2124
1328	sub find;	2125	sub find;
1329	sub find {	2126	sub find {
1330	my ($path, $origin) = @_;	2127	my ($path, $origin) = @_;
1331		2128
		2129	cf::cede_to_tick;
		2130
1332	$path = normalise $path, $origin && $origin->path;	2131	$path = normalise $path, $origin && $origin->path;
1333		2132
		2133	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$path";	2134	my $guard2 = cf::lock_acquire "map_find:$path";
1335		2135
1336	$cf::MAP{$path} || do {	2136	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$path";
1338	my $map = new_from_path cf::map $path	2137	my $map = new_from_path cf::map $path
1339	or return;	2138	or return;
1340		2139
1341	$map->{last_save} = $cf::RUNTIME;	2140	$map->{last_save} = $cf::RUNTIME;
1342		2141
1343	$map->load_header	2142	$map->load_header
1344	or return;	2143	or return;
1345		2144
1346	if ($map->should_reset) {	2145	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347	# doing this can freeze the server in a sync job, obviously	2146	# doing this can freeze the server in a sync job, obviously
1348	#$cf::WAIT_FOR_TICK->wait;	2147	#$cf::WAIT_FOR_TICK->wait;
		2148	undef $guard2;
		2149	undef $guard1;
1349	$map->reset;	2150	$map->reset;
1350	undef $guard;
1351	$map = find $path	2151	return find $path;
1352	or return;
1353	}	2152	}
1354		2153
1355	$cf::MAP{$path} = $map	2154	$cf::MAP{$path} = $map
1356	}	2155	}
1357	}	2156	}
		2157
		2158	sub pre_load { }
		2159	#sub post_load { } # XS
1358		2160
1359	sub load {	2161	sub load {
1360	my ($self) = @_;	2162	my ($self) = @_;
1361		2163
		2164	local $self->{deny_reset} = 1; # loading can take a long time
		2165
1362	my $path = $self->{path};	2166	my $path = $self->{path};
		2167
		2168	{
1363	my $guard = cf::lock_acquire "map_load:$path";	2169	my $guard = cf::lock_acquire "map_data:$path";
1364		2170
		2171	return unless $self->valid;
1365	return if $self->in_memory != cf::MAP_SWAPPED;	2172	return unless $self->in_memory == cf::MAP_SWAPPED;
1366		2173
1367	$self->in_memory (cf::MAP_LOADING);	2174	$self->in_memory (cf::MAP_LOADING);
1368		2175
1369	$self->alloc;	2176	$self->alloc;
1370	$self->_load_objects ($self->{load_path}, 1)	2177
		2178	$self->pre_load;
		2179	cf::cede_to_tick;
		2180
		2181	my $f = new_from_file cf::object::thawer $self->{load_path};
		2182	$f->skip_block;
		2183	$self->_load_objects ($f)
1371	or return;	2184	or return;
1372		2185
1373	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2186	$self->post_load_original
1374	if delete $self->{load_original};	2187	if delete $self->{load_original};
1375		2188
1376	if (my $uniq = $self->uniq_path) {	2189	if (my $uniq = $self->uniq_path) {
1377	utf8::encode $uniq;	2190	utf8::encode $uniq;
1378	if (aio_open $uniq, O_RDONLY, 0) {	2191	unless (aio_stat $uniq) {
		2192	if (my $f = new_from_file cf::object::thawer $uniq) {
1379	$self->clear_unique_items;	2193	$self->clear_unique_items;
1380	$self->_load_objects ($uniq, 0);	2194	$self->_load_objects ($f);
		2195	$f->resolve_delayed_derefs;
		2196	}
1381	}	2197	}
1382	}	2198	}
1383		2199
1384	Coro::cede;	2200	$f->resolve_delayed_derefs;
1385		2201
		2202	cf::cede_to_tick;
1386	# now do the right thing for maps	2203	# now do the right thing for maps
1387	$self->link_multipart_objects;	2204	$self->link_multipart_objects;
1388
1389	unless ($self->{deny_activate}) {
1390	$self->decay_objects;
1391	$self->fix_auto_apply;
1392	$self->update_buttons;
1393	Coro::cede;
1394	$self->set_darkness_map;
1395	$self->difficulty ($self->estimate_difficulty)	2205	$self->difficulty ($self->estimate_difficulty)
1396	unless $self->difficulty;	2206	unless $self->difficulty;
1397	Coro::cede;	2207	cf::cede_to_tick;
		2208
		2209	unless ($self->{deny_activate}) {
		2210	$self->decay_objects;
		2211	$self->fix_auto_apply;
		2212	$self->update_buttons;
		2213	cf::cede_to_tick;
1398	$self->activate;	2214	$self->activate;
1399	}	2215	}
1400		2216
		2217	$self->{last_save} = $cf::RUNTIME;
		2218	$self->last_access ($cf::RUNTIME);
		2219
1401	$self->in_memory (cf::MAP_IN_MEMORY);	2220	$self->in_memory (cf::MAP_ACTIVE);
1402	}	2221	}
1403		2222
		2223	$self->post_load;
		2224
		2225	1
		2226	}
		2227
		2228	# customize the map for a given player, i.e.
		2229	# return the _real_ map. used by e.g. per-player
		2230	# maps to change the path to ~playername/mappath
1404	sub customise_for {	2231	sub customise_for {
1405	my ($self, $ob) = @_;	2232	my ($self, $ob) = @_;
1406		2233
1407	return find "~" . $ob->name . "/" . $self->{path}	2234	return find "~" . $ob->name . "/" . $self->{path}
1408	if $self->per_player;	2235	if $self->per_player;
1409		2236
		2237	# return find "?party/" . $ob->name . "/" . $self->{path}
		2238	# if $self->per_party;
		2239
1410	$self	2240	$self
1411	}	2241	}
1412		2242
1413	# find and load all maps in the 3x3 area around a map	2243	# find and load all maps in the 3x3 area around a map
1414	sub load_diag {	2244	sub load_neighbours {
1415	my ($map) = @_;	2245	my ($map) = @_;
1416		2246
1417	my @diag; # diagonal neighbours	2247	my @neigh; # diagonal neighbours
1418		2248
1419	for (0 .. 3) {	2249	for (0 .. 3) {
1420	my $neigh = $map->tile_path ($_)	2250	my $neigh = $map->tile_path ($_)
1421	or next;	2251	or next;
1422	$neigh = find $neigh, $map	2252	$neigh = find $neigh, $map
1423	or next;	2253	or next;
1424	$neigh->load;	2254	$neigh->load;
1425		2255
		2256	# now find the diagonal neighbours
		2257	push @neigh,
1426	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2258	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1427	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2259	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1428	}	2260	}
1429		2261
1430	for (@diag) {	2262	for (grep defined $_->[0], @neigh) {
		2263	my ($path, $origin) = @$_;
1431	my $neigh = find @$_	2264	my $neigh = find $path, $origin
1432	or next;	2265	or next;
1433	$neigh->load;	2266	$neigh->load;
1434	}	2267	}
1435	}	2268	}
1436		2269
1437	sub find_sync {	2270	sub find_sync {
1438	my ($path, $origin) = @_;	2271	my ($path, $origin) = @_;
1439		2272
1440	cf::sync_job { find $path, $origin }	2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1441	}	2277	}
1442		2278
1443	sub do_load_sync {	2279	sub do_load_sync {
1444	my ($map) = @_;	2280	my ($map) = @_;
1445		2281
1446	cf::sync_job { $map->load };	2282	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2283	if $Coro::current == $Coro::main;
		2284
		2285	$map->load;
1447	}	2286	}
1448		2287
1449	our %MAP_PREFETCH;	2288	our %MAP_PREFETCH;
1450	our $MAP_PREFETCHER = undef;	2289	our $MAP_PREFETCHER = undef;
1451		2290
1452	sub find_async {	2291	sub find_async {
1453	my ($path, $origin) = @_;	2292	my ($path, $origin, $load) = @_;
1454		2293
1455	$path = normalise $path, $origin && $origin->{path};	2294	$path = normalise $path, $origin && $origin->{path};
1456		2295
1457	if (my $map = $cf::MAP{$path}) {	2296	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2297	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459	}	2298	}
1460		2299
1461	undef $MAP_PREFETCH{$path};	2300	$MAP_PREFETCH{$path} |= $load;
		2301
1462	$MAP_PREFETCHER ||= cf::async {	2302	$MAP_PREFETCHER ||= cf::async {
		2303	$Coro::current->{desc} = "map prefetcher";
		2304
1463	while (%MAP_PREFETCH) {	2305	while (%MAP_PREFETCH) {
1464	for my $path (keys %MAP_PREFETCH) {	2306	while (my ($k, $v) = each %MAP_PREFETCH) {
1465	my $map = find $path	2307	if (my $map = find $k) {
1466	or next;
1467	$map->load;	2308	$map->load if $v;
		2309	}
1468		2310
1469	delete $MAP_PREFETCH{$path};	2311	delete $MAP_PREFETCH{$k};
1470	}	2312	}
1471	}	2313	}
1472	undef $MAP_PREFETCHER;	2314	undef $MAP_PREFETCHER;
1473	};	2315	};
		2316	$MAP_PREFETCHER->prio (6);
1474		2317
1475	()	2318	()
1476	}	2319	}
1477		2320
		2321	# common code, used by both ->save and ->swapout
1478	sub save {	2322	sub _save {
1479	my ($self) = @_;	2323	my ($self) = @_;
1480
1481	my $lock = cf::lock_acquire "map_data:" . $self->path;
1482		2324
1483	$self->{last_save} = $cf::RUNTIME;	2325	$self->{last_save} = $cf::RUNTIME;
1484		2326
1485	return unless $self->dirty;	2327	return unless $self->dirty;
1486		2328
…		…
1492	return if $self->{deny_save};	2334	return if $self->{deny_save};
1493		2335
1494	local $self->{last_access} = $self->last_access;#d#	2336	local $self->{last_access} = $self->last_access;#d#
1495		2337
1496	cf::async {	2338	cf::async {
		2339	$Coro::current->{desc} = "map player save";
1497	$_->contr->save for $self->players;	2340	$_->contr->save for $self->players;
1498	};	2341	};
		2342
		2343	cf::get_slot 0.02;
1499		2344
1500	if ($uniq) {	2345	if ($uniq) {
1501	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2346	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2347	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1503	} else {	2348	} else {
1504	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2349	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1505	}	2350	}
1506	}	2351	}
1507		2352
		2353	sub save {
		2354	my ($self) = @_;
		2355
		2356	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2357
		2358	$self->_save;
		2359	}
		2360
1508	sub swap_out {	2361	sub swap_out {
1509	my ($self) = @_;	2362	my ($self) = @_;
1510		2363
1511	# save first because save cedes
1512	$self->save;
1513
1514	my $lock = cf::lock_acquire "map_data:" . $self->path;	2364	my $lock = cf::lock_acquire "map_data:$self->{path}";
1515		2365
		2366	return if $self->in_memory != cf::MAP_ACTIVE;
		2367	return if $self->{deny_save};
1516	return if $self->players;	2368	return if $self->players;
1517	return if $self->in_memory != cf::MAP_IN_MEMORY;
1518	return if $self->{deny_save};
1519		2369
		2370	# first deactivate the map and "unlink" it from the core
		2371	$self->deactivate;
		2372	$_->clear_links_to ($self) for values %cf::MAP;
		2373	$self->in_memory (cf::MAP_SWAPPED);
		2374
		2375	# then atomically save
		2376	$self->_save;
		2377
		2378	# then free the map
1520	$self->clear;	2379	$self->clear;
1521	$self->in_memory (cf::MAP_SWAPPED);
1522	}	2380	}
1523		2381
1524	sub reset_at {	2382	sub reset_at {
1525	my ($self) = @_;	2383	my ($self) = @_;
1526		2384
1527	# TODO: safety, remove and allow resettable per-player maps	2385	# TODO: safety, remove and allow resettable per-player maps
1528	return 1e99 if $self->isa ("ext::map_per_player");#d#
1529	return 1e99 if $self->{deny_reset};	2386	return 1e99 if $self->{deny_reset};
1530		2387
1531	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2388	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2389	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1533		2390
…		…
1544	my ($self) = @_;	2401	my ($self) = @_;
1545		2402
1546	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1547		2404
1548	return if $self->players;	2405	return if $self->players;
1549	return if $self->isa ("ext::map_per_player");#d#
1550		2406
1551	warn "resetting map ", $self->path;#d#	2407	cf::trace "resetting map ", $self->path, "\n";
		2408
		2409	$self->in_memory (cf::MAP_SWAPPED);
		2410
		2411	# need to save uniques path
		2412	unless ($self->{deny_save}) {
		2413	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2414
		2415	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2416	if $uniq;
		2417	}
1552		2418
1553	delete $cf::MAP{$self->path};	2419	delete $cf::MAP{$self->path};
1554		2420
1555	$self->in_memory (cf::MAP_SWAPPED);	2421	$self->deactivate;
		2422	$_->clear_links_to ($self) for values %cf::MAP;
1556	$self->clear;	2423	$self->clear;
1557
1558	$_->clear_links_to ($self) for values %cf::MAP;
1559		2424
1560	$self->unlink_save;	2425	$self->unlink_save;
1561	$self->destroy;	2426	$self->destroy;
1562	}	2427	}
1563		2428
1564	my $nuke_counter = "aaaa";	2429	my $nuke_counter = "aaaa";
1565		2430
1566	sub nuke {	2431	sub nuke {
1567	my ($self) = @_;	2432	my ($self) = @_;
1568		2433
		2434	{
		2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2436
1569	delete $cf::MAP{$self->path};	2437	delete $cf::MAP{$self->path};
1570		2438
1571	$self->unlink_save;	2439	$self->unlink_save;
1572		2440
1573	bless $self, "cf::map";	2441	bless $self, "cf::map::wrap";
1574	delete $self->{deny_reset};	2442	delete $self->{deny_reset};
1575	$self->{deny_save} = 1;	2443	$self->{deny_save} = 1;
1576	$self->reset_timeout (1);	2444	$self->reset_timeout (1);
1577	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2445	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578		2446
1579	$cf::MAP{$self->path} = $self;	2447	$cf::MAP{$self->path} = $self;
		2448	}
1580		2449
1581	$self->reset; # polite request, might not happen	2450	$self->reset; # polite request, might not happen
		2451	}
		2452
		2453	=item $maps = cf::map::tmp_maps
		2454
		2455	Returns an arrayref with all map paths of currently instantiated and saved
		2456	maps. May block.
		2457
		2458	=cut
		2459
		2460	sub tmp_maps() {
		2461	[
		2462	map {
		2463	utf8::decode $_;
		2464	/\.map$/
		2465	? normalise $_
		2466	: ()
		2467	} @{ aio_readdir $TMPDIR or [] }
		2468	]
		2469	}
		2470
		2471	=item $maps = cf::map::random_maps
		2472
		2473	Returns an arrayref with all map paths of currently instantiated and saved
		2474	random maps. May block.
		2475
		2476	=cut
		2477
		2478	sub random_maps() {
		2479	[
		2480	map {
		2481	utf8::decode $_;
		2482	/\.map$/
		2483	? normalise "?random/$_"
		2484	: ()
		2485	} @{ aio_readdir $RANDOMDIR or [] }
		2486	]
1582	}	2487	}
1583		2488
1584	=item cf::map::unique_maps	2489	=item cf::map::unique_maps
1585		2490
1586	Returns an arrayref of paths of all shared maps that have	2491	Returns an arrayref of paths of all shared maps that have
1587	instantiated unique items. May block.	2492	instantiated unique items. May block.
1588		2493
1589	=cut	2494	=cut
1590		2495
1591	sub unique_maps() {	2496	sub unique_maps() {
1592	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2497	[
1593	or return;	2498	map {
1594
1595	my @paths;
1596
1597	for (@$files) {
1598	utf8::decode $_;	2499	utf8::decode $_;
1599	next if /\.pst$/;	2500	s/\.map$//; # TODO future compatibility hack
1600	next unless /^$PATH_SEP/o;	2501	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2502	? ()
		2503	: normalise $_
		2504	} @{ aio_readdir $UNIQUEDIR or [] }
		2505	]
		2506	}
1601		2507
		2508	=item cf::map::static_maps
		2509
		2510	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2511	file in the shared directory excluding F</styles> and F</editor>). May
		2512	block.
		2513
		2514	=cut
		2515
		2516	sub static_maps() {
		2517	my @dirs = "";
		2518	my @maps;
		2519
		2520	while (@dirs) {
		2521	my $dir = shift @dirs;
		2522
		2523	next if $dir eq "/styles" || $dir eq "/editor";
		2524
		2525	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2526	or return;
		2527
		2528	for (@$files) {
1602	s/\.map$//;	2529	s/\.map$// or next;
1603	push @paths, $_;	2530	utf8::decode $_;
1604	}	2531	push @maps, "$dir/$_";
		2532	}
1605		2533
1606	\@paths	2534	push @dirs, map "$dir/$_", @$dirs;
1607	}	2535	}
1608		2536
1609	package cf;	2537	\@maps
		2538	}
1610		2539
1611	=back	2540	=back
1612		2541
1613	=head3 cf::object	2542	=head3 cf::object
1614		2543
…		…
1618		2547
1619	=over 4	2548	=over 4
1620		2549
1621	=item $ob->inv_recursive	2550	=item $ob->inv_recursive
1622		2551
1623	Returns the inventory of the object _and_ their inventories, recursively.	2552	Returns the inventory of the object I<and> their inventories, recursively,
		2553	but I<not> the object itself.
1624		2554
1625	=cut	2555	=cut
1626		2556
1627	sub inv_recursive_;	2557	sub inv_recursive_;
1628	sub inv_recursive_ {	2558	sub inv_recursive_ {
…		…
1631		2561
1632	sub inv_recursive {	2562	sub inv_recursive {
1633	inv_recursive_ inv $_[0]	2563	inv_recursive_ inv $_[0]
1634	}	2564	}
1635		2565
		2566	=item $ref = $ob->ref
		2567
		2568	Creates and returns a persistent reference to an object that can be stored as a string.
		2569
		2570	=item $ob = cf::object::deref ($refstring)
		2571
		2572	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2573	even if the object actually exists. May block.
		2574
		2575	=cut
		2576
		2577	sub deref {
		2578	my ($ref) = @_;
		2579
		2580	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2581	my ($uuid, $name) = ($1, $2);
		2582	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2583	or return;
		2584	$pl->ob->uuid eq $uuid
		2585	or return;
		2586
		2587	$pl->ob
		2588	} else {
		2589	warn "$ref: cannot resolve object reference\n";
		2590	undef
		2591	}
		2592	}
		2593
1636	package cf;	2594	package cf;
1637		2595
1638	=back	2596	=back
1639		2597
1640	=head3 cf::object::player	2598	=head3 cf::object::player
…		…
1646	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2604	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1647	can be C<undef>. Does the right thing when the player is currently in a	2605	can be C<undef>. Does the right thing when the player is currently in a
1648	dialogue with the given NPC character.	2606	dialogue with the given NPC character.
1649		2607
1650	=cut	2608	=cut
		2609
		2610	our $SAY_CHANNEL = {
		2611	id => "say",
		2612	title => "Map",
		2613	reply => "say ",
		2614	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2615	};
		2616
		2617	our $CHAT_CHANNEL = {
		2618	id => "chat",
		2619	title => "Chat",
		2620	reply => "chat ",
		2621	tooltip => "Player chat and shouts, global to the server.",
		2622	};
1651		2623
1652	# rough implementation of a future "reply" method that works	2624	# rough implementation of a future "reply" method that works
1653	# with dialog boxes.	2625	# with dialog boxes.
1654	#TODO: the first argument must go, split into a $npc->reply_to ( method	2626	#TODO: the first argument must go, split into a $npc->reply_to ( method
1655	sub cf::object::player::reply($$$;$) {	2627	sub cf::object::player::reply($$$;$) {
…		…
1657		2629
1658	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659		2631
1660	if ($self->{record_replies}) {	2632	if ($self->{record_replies}) {
1661	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2634
1662	} else {	2635	} else {
		2636	my $pl = $self->contr;
		2637
		2638	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2639	my $dialog = $pl->{npc_dialog};
		2640	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2641
		2642	} else {
1663	$msg = $npc->name . " says: $msg" if $npc;	2643	$msg = $npc->name . " says: $msg" if $npc;
1664	$self->message ($msg, $flags);	2644	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2645	}
1665	}	2646	}
		2647	}
		2648
		2649	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2650
		2651	=cut
		2652
		2653	sub cf::object::send_msg {
		2654	my $pl = shift->contr
		2655	or return;
		2656	$pl->send_msg (@_);
1666	}	2657	}
1667		2658
1668	=item $player_object->may ("access")	2659	=item $player_object->may ("access")
1669		2660
1670	Returns wether the given player is authorized to access resource "access"	2661	Returns wether the given player is authorized to access resource "access"
…		…
1683		2674
1684	=item $player_object->enter_link	2675	=item $player_object->enter_link
1685		2676
1686	Freezes the player and moves him/her to a special map (C<{link}>).	2677	Freezes the player and moves him/her to a special map (C<{link}>).
1687		2678
1688	The player should be reasonably safe there for short amounts of time. You	2679	The player should be reasonably safe there for short amounts of time (e.g.
1689	I<MUST> call C<leave_link> as soon as possible, though.	2680	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2681	though, as the player cannot control the character while it is on the link
		2682	map.
1690		2683
1691	Will never block.	2684	Will never block.
1692		2685
1693	=item $player_object->leave_link ($map, $x, $y)	2686	=item $player_object->leave_link ($map, $x, $y)
1694		2687
…		…
1702	=cut	2695	=cut
1703		2696
1704	sub link_map {	2697	sub link_map {
1705	unless ($LINK_MAP) {	2698	unless ($LINK_MAP) {
1706	$LINK_MAP = cf::map::find "{link}"	2699	$LINK_MAP = cf::map::find "{link}"
1707	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2700	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708	$LINK_MAP->load;	2701	$LINK_MAP->load;
1709	}	2702	}
1710		2703
1711	$LINK_MAP	2704	$LINK_MAP
1712	}	2705	}
…		…
1714	sub cf::object::player::enter_link {	2707	sub cf::object::player::enter_link {
1715	my ($self) = @_;	2708	my ($self) = @_;
1716		2709
1717	$self->deactivate_recursive;	2710	$self->deactivate_recursive;
1718		2711
		2712	++$self->{_link_recursion};
		2713
1719	return if UNIVERSAL::isa $self->map, "ext::map_link";	2714	return if UNIVERSAL::isa $self->map, "ext::map_link";
1720		2715
1721	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2716	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722	if $self->map;	2717	if $self->map && $self->map->{path} ne "{link}";
1723		2718
1724	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2719	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1725	}	2720	}
1726		2721
1727	sub cf::object::player::leave_link {	2722	sub cf::object::player::leave_link {
1728	my ($self, $map, $x, $y) = @_;	2723	my ($self, $map, $x, $y) = @_;
		2724
		2725	return unless $self->contr->active;
1729		2726
1730	my $link_pos = delete $self->{_link_pos};	2727	my $link_pos = delete $self->{_link_pos};
1731		2728
1732	unless ($map) {	2729	unless ($map) {
1733	# restore original map position	2730	# restore original map position
…		…
1744	($x, $y) = (-1, -1)	2741	($x, $y) = (-1, -1)
1745	unless (defined $x) && (defined $y);	2742	unless (defined $x) && (defined $y);
1746		2743
1747	# use -1 or undef as default coordinates, not 0, 0	2744	# use -1 or undef as default coordinates, not 0, 0
1748	($x, $y) = ($map->enter_x, $map->enter_y)	2745	($x, $y) = ($map->enter_x, $map->enter_y)
1749	if $x <=0 && $y <= 0;	2746	if $x <= 0 && $y <= 0;
1750		2747
1751	$map->load;	2748	$map->load;
1752	$map->load_diag;	2749	$map->load_neighbours;
1753		2750
1754	return unless $self->contr->active;	2751	return unless $self->contr->active;
		2752
		2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2754	if ($self->enter_map ($map, $x, $y)) {
		2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
1755	$self->activate_recursive;	2758	$self->activate_recursive;
1756	$self->enter_map ($map, $x, $y);
1757	}
1758
1759	cf::player->attach (
1760	on_logout => sub {
1761	my ($pl) = @_;
1762
1763	# abort map switching before logout
1764	if ($pl->ob->{_link_pos}) {
1765	cf::sync_job {
1766	$pl->ob->leave_link
1767	};
1768	}
1769	},	2759	}
1770	on_login => sub {
1771	my ($pl) = @_;
1772		2760
1773	# try to abort aborted map switching on player login :)	2761	}
1774	# should happen only on crashes
1775	if ($pl->ob->{_link_pos}) {
1776	$pl->ob->enter_link;
1777	(async {
1778	# we need this sleep as the login has a concurrent enter_exit running
1779	# and this sleep increases chances of the player not ending up in scorn
1780	$pl->ob->reply (undef,
1781	"There was an internal problem at your last logout, "
1782	. "the server will try to bring you to your intended destination in a second.",
1783	cf::NDI_RED);
1784	Coro::Timer::sleep 1;
1785	$pl->ob->leave_link;
1786	})->prio (2);
1787	}
1788	},
1789	);
1790		2762
1791	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1792		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1793	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1794		2777
1795	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1796	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1797		2789
1798	$self->enter_link;	2790	$self->enter_link;
1799		2791
1800	(async {	2792	(async {
1801	my $map = cf::map::find $path;	2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
		2814	my $map = eval {
		2815	my $map = defined $path ? cf::map::find $path : undef;
		2816
		2817	if ($map) {
1802	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
1803		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
1804	# warn "entering ", $map->path, " at ($x, $y)\n"	2820	} else {
1805	# if $map;
1806
1807	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
1808		2823
		2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
		2830	}
		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1809	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1810	})->prio (1);	2838	})->prio (1);
1811	}	2839	}
1812		2840
1813	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1814		2842
…		…
1834	}	2862	}
1835		2863
1836	sub prepare_random_map {	2864	sub prepare_random_map {
1837	my ($exit) = @_;	2865	my ($exit) = @_;
1838		2866
1839	my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1842	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1843	# that depends on the exit object	2869	# that depends on the exit object
1844		2870
1845	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
1846		2872
1847	if ($exit->map) {	2873	if ($exit->map) {
1848	$rmp->{region} = $exit->map->region_name;	2874	$rmp->{region} = $exit->region->name;
1849	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1850	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1851	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1852	}	2880	}
1853		2881
1854	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1855		2883
1856	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1858	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1859		2887
1860	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1862	undef $fh;	2890	undef $fh;
1863	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1864		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1865	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1866	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1867	}	2899	}
1868	}	2900	}
1869		2901
1870	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1871	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
…		…
1873	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1874		2906
1875	$self->enter_link;	2907	$self->enter_link;
1876		2908
1877	(async {	2909	(async {
1878	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1879	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	# random map handling
		2916	{
		2917	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2918
1880	prepare_random_map $exit	2919	prepare_random_map $exit
1881	if $exit->slaying eq "/!";	2920	if $exit->slaying eq "/!";
		2921	}
1882		2922
1883	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2923	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1884	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2924	my $x = $exit->stats->hp;
		2925	my $y = $exit->stats->sp;
1885		2926
		2927	$self->goto ($map, $x, $y);
		2928
		2929	# if exit is damned, update players death & WoR home-position
		2930	$self->contr->savebed ($map, $x, $y)
		2931	if $exit->flag (cf::FLAG_DAMNED);
		2932
1886	1;	2933	1
1887	}) {	2934	}) {
1888	$self->message ("Something went wrong deep within the crossfire server. "	2935	$self->message ("Something went wrong deep within the deliantra server. "
1889	. "I'll try to bring you back to the map you were before. "	2936	. "I'll try to bring you back to the map you were before. "
1890	. "Please report this to the dungeon master!",	2937	. "Please report this to the dungeon master!",
1891	cf::NDI_UNIQUE | cf::NDI_RED);	2938	cf::NDI_UNIQUE | cf::NDI_RED);
1892		2939
1893	warn "ERROR in enter_exit: $@";	2940	error "ERROR in enter_exit: $@";
1894	$self->leave_link;	2941	$self->leave_link;
1895	}	2942	}
1896	})->prio (1);	2943	})->prio (1);
1897	}	2944	}
1898		2945
…		…
1909		2956
1910	sub cf::client::send_drawinfo {	2957	sub cf::client::send_drawinfo {
1911	my ($self, $text, $flags) = @_;	2958	my ($self, $text, $flags) = @_;
1912		2959
1913	utf8::encode $text;	2960	utf8::encode $text;
1914	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2961	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915	}	2962	}
1916		2963
		2964	=item $client->send_big_packet ($pkt)
		2965
		2966	Like C<send_packet>, but tries to compress large packets, and fragments
		2967	them as required.
		2968
		2969	=cut
		2970
		2971	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2972
		2973	sub cf::client::send_big_packet {
		2974	my ($self, $pkt) = @_;
		2975
		2976	# try lzf for large packets
		2977	$pkt = "lzf " . Compress::LZF::compress $pkt
		2978	if 1024 <= length $pkt and $self->{can_lzf};
		2979
		2980	# split very large packets
		2981	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2982	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2983	$pkt = "frag";
		2984	}
		2985
		2986	$self->send_packet ($pkt);
		2987	}
		2988
		2989	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2990
		2991	Send a drawinfo or msg packet to the client, formatting the msg for the
		2992	client if neccessary. C<$type> should be a string identifying the type of
		2993	the message, with C<log> being the default. If C<$color> is negative, suppress
		2994	the message unless the client supports the msg packet.
		2995
		2996	=cut
		2997
		2998	# non-persistent channels (usually the info channel)
		2999	our %CHANNEL = (
		3000	"c/motd" => {
		3001	id => "infobox",
		3002	title => "MOTD",
		3003	reply => undef,
		3004	tooltip => "The message of the day",
		3005	},
		3006	"c/identify" => {
		3007	id => "infobox",
		3008	title => "Identify",
		3009	reply => undef,
		3010	tooltip => "Items recently identified",
		3011	},
		3012	"c/examine" => {
		3013	id => "infobox",
		3014	title => "Examine",
		3015	reply => undef,
		3016	tooltip => "Signs and other items you examined",
		3017	},
		3018	"c/shopinfo" => {
		3019	id => "infobox",
		3020	title => "Shop Info",
		3021	reply => undef,
		3022	tooltip => "What your bargaining skill tells you about the shop",
		3023	},
		3024	"c/book" => {
		3025	id => "infobox",
		3026	title => "Book",
		3027	reply => undef,
		3028	tooltip => "The contents of a note or book",
		3029	},
		3030	"c/lookat" => {
		3031	id => "infobox",
		3032	title => "Look",
		3033	reply => undef,
		3034	tooltip => "What you saw there",
		3035	},
		3036	"c/who" => {
		3037	id => "infobox",
		3038	title => "Players",
		3039	reply => undef,
		3040	tooltip => "Shows players who are currently online",
		3041	},
		3042	"c/body" => {
		3043	id => "infobox",
		3044	title => "Body Parts",
		3045	reply => undef,
		3046	tooltip => "Shows which body parts you posess and are available",
		3047	},
		3048	"c/statistics" => {
		3049	id => "infobox",
		3050	title => "Statistics",
		3051	reply => undef,
		3052	tooltip => "Shows your primary statistics",
		3053	},
		3054	"c/skills" => {
		3055	id => "infobox",
		3056	title => "Skills",
		3057	reply => undef,
		3058	tooltip => "Shows your experience per skill and item power",
		3059	},
		3060	"c/shopitems" => {
		3061	id => "infobox",
		3062	title => "Shop Items",
		3063	reply => undef,
		3064	tooltip => "Shows the items currently for sale in this shop",
		3065	},
		3066	"c/resistances" => {
		3067	id => "infobox",
		3068	title => "Resistances",
		3069	reply => undef,
		3070	tooltip => "Shows your resistances",
		3071	},
		3072	"c/pets" => {
		3073	id => "infobox",
		3074	title => "Pets",
		3075	reply => undef,
		3076	tooltip => "Shows information abotu your pets/a specific pet",
		3077	},
		3078	"c/perceiveself" => {
		3079	id => "infobox",
		3080	title => "Perceive Self",
		3081	reply => undef,
		3082	tooltip => "You gained detailed knowledge about yourself",
		3083	},
		3084	"c/uptime" => {
		3085	id => "infobox",
		3086	title => "Uptime",
		3087	reply => undef,
		3088	tooltip => "How long the server has been running since last restart",
		3089	},
		3090	"c/mapinfo" => {
		3091	id => "infobox",
		3092	title => "Map Info",
		3093	reply => undef,
		3094	tooltip => "Information related to the maps",
		3095	},
		3096	"c/party" => {
		3097	id => "party",
		3098	title => "Party",
		3099	reply => "gsay ",
		3100	tooltip => "Messages and chat related to your party",
		3101	},
		3102	"c/death" => {
		3103	id => "death",
		3104	title => "Death",
		3105	reply => undef,
		3106	tooltip => "Reason for and more info about your most recent death",
		3107	},
		3108	"c/say" => $SAY_CHANNEL,
		3109	"c/chat" => $CHAT_CHANNEL,
		3110	);
		3111
		3112	sub cf::client::send_msg {
		3113	my ($self, $channel, $msg, $color, @extra) = @_;
		3114
		3115	$msg = $self->pl->expand_cfpod ($msg)
		3116	unless $color & cf::NDI_VERBATIM;
		3117
		3118	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3119
		3120	# check predefined channels, for the benefit of C
		3121	if ($CHANNEL{$channel}) {
		3122	$channel = $CHANNEL{$channel};
		3123
		3124	$self->ext_msg (channel_info => $channel);
		3125	$channel = $channel->{id};
		3126
		3127	} elsif (ref $channel) {
		3128	# send meta info to client, if not yet sent
		3129	unless (exists $self->{channel}{$channel->{id}}) {
		3130	$self->{channel}{$channel->{id}} = $channel;
		3131	$self->ext_msg (channel_info => $channel);
		3132	}
		3133
		3134	$channel = $channel->{id};
		3135	}
		3136
		3137	return unless @extra || length $msg;
		3138
		3139	# default colour, mask it out
		3140	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3141	if $color & cf::NDI_DEF;
		3142
		3143	my $pkt = "msg "
		3144	. $self->{json_coder}->encode (
		3145	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3146	);
		3147
		3148	$self->send_big_packet ($pkt);
		3149	}
		3150
		3151	=item $client->ext_msg ($type, @msg)
		3152
		3153	Sends an ext event to the client.
		3154
		3155	=cut
		3156
		3157	sub cf::client::ext_msg($$@) {
		3158	my ($self, $type, @msg) = @_;
		3159
		3160	if ($self->extcmd == 2) {
		3161	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3162	} elsif ($self->extcmd == 1) { # TODO: remove
		3163	push @msg, msgtype => "event_$type";
		3164	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3165	}
		3166	}
		3167
		3168	=item $client->ext_reply ($msgid, @msg)
		3169
		3170	Sends an ext reply to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_reply($$@) {
		3175	my ($self, $id, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3179	} elsif ($self->extcmd == 1) {
		3180	#TODO: version 1, remove
		3181	unshift @msg, msgtype => "reply", msgid => $id;
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
1917		3185
1918	=item $success = $client->query ($flags, "text", \&cb)	3186	=item $success = $client->query ($flags, "text", \&cb)
1919		3187
1920	Queues a query to the client, calling the given callback with	3188	Queues a query to the client, calling the given callback with
1921	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3189	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1922	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3190	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1923		3191
1924	Queries can fail, so check the return code. Or don't, as queries will become	3192	Queries can fail, so check the return code. Or don't, as queries will
1925	reliable at some point in the future.	3193	become reliable at some point in the future.
1926		3194
1927	=cut	3195	=cut
1928		3196
1929	sub cf::client::query {	3197	sub cf::client::query {
1930	my ($self, $flags, $text, $cb) = @_;	3198	my ($self, $flags, $text, $cb) = @_;
…		…
1938	utf8::encode $text;	3206	utf8::encode $text;
1939	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3207	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940		3208
1941	$self->send_packet ($self->{query_queue}[0][0])	3209	$self->send_packet ($self->{query_queue}[0][0])
1942	if @{ $self->{query_queue} } == 1;	3210	if @{ $self->{query_queue} } == 1;
		3211
		3212	1
1943	}	3213	}
1944		3214
1945	cf::client->attach (	3215	cf::client->attach (
		3216	on_connect => sub {
		3217	my ($ns) = @_;
		3218
		3219	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3220	},
1946	on_reply => sub {	3221	on_reply => sub {
1947	my ($ns, $msg) = @_;	3222	my ($ns, $msg) = @_;
1948		3223
1949	# this weird shuffling is so that direct followup queries	3224	# this weird shuffling is so that direct followup queries
1950	# get handled first	3225	# get handled first
1951	my $queue = delete $ns->{query_queue}	3226	my $queue = delete $ns->{query_queue}
1952	or return; # be conservative, not sure how that can happen, but we saw a crash here	3227	or return; # be conservative, not sure how that can happen, but we saw a crash here
1953		3228
1954	(shift @$queue)->[1]->($msg);	3229	(shift @$queue)->[1]->($msg);
		3230	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955		3231
1956	push @{ $ns->{query_queue} }, @$queue;	3232	push @{ $ns->{query_queue} }, @$queue;
1957		3233
1958	if (@{ $ns->{query_queue} } == @$queue) {	3234	if (@{ $ns->{query_queue} } == @$queue) {
1959	if (@$queue) {	3235	if (@$queue) {
…		…
1961	} else {	3237	} else {
1962	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3238	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963	}	3239	}
1964	}	3240	}
1965	},	3241	},
		3242	on_exticmd => sub {
		3243	my ($ns, $buf) = @_;
		3244
		3245	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3246
		3247	if (ref $msg) {
		3248	my ($type, $reply, @payload) =
		3249	"ARRAY" eq ref $msg
		3250	? @$msg
		3251	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3252
		3253	my @reply;
		3254
		3255	if (my $cb = $EXTICMD{$type}) {
		3256	@reply = $cb->($ns, @payload);
		3257	}
		3258
		3259	$ns->ext_reply ($reply, @reply)
		3260	if $reply;
		3261
		3262	} else {
		3263	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3264	}
		3265
		3266	cf::override;
		3267	},
1966	);	3268	);
1967		3269
1968	=item $client->async (\&cb)	3270	=item $client->async (\&cb)
1969		3271
1970	Create a new coroutine, running the specified callback. The coroutine will	3272	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986		3288
1987	$coro	3289	$coro
1988	}	3290	}
1989		3291
1990	cf::client->attach (	3292	cf::client->attach (
1991	on_destroy => sub {	3293	on_client_destroy => sub {
1992	my ($ns) = @_;	3294	my ($ns) = @_;
1993		3295
1994	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3296	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1995	},	3297	},
1996	);	3298	);
…		…
2011	our $safe = new Safe "safe";	3313	our $safe = new Safe "safe";
2012	our $safe_hole = new Safe::Hole;	3314	our $safe_hole = new Safe::Hole;
2013		3315
2014	$SIG{FPE} = 'IGNORE';	3316	$SIG{FPE} = 'IGNORE';
2015		3317
2016	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3318	$safe->permit_only (Opcode::opset qw(
		3319	:base_core :base_mem :base_orig :base_math :base_loop
		3320	grepstart grepwhile mapstart mapwhile
		3321	sort time
		3322	));
2017		3323
2018	# here we export the classes and methods available to script code	3324	# here we export the classes and methods available to script code
2019		3325
2020	=pod	3326	=pod
2021		3327
2022	The following fucntions and emthods are available within a safe environment:	3328	The following functions and methods are available within a safe environment:
2023		3329
2024	cf::object contr pay_amount pay_player map	3330	cf::object
		3331	contr pay_amount pay_player map x y force_find force_add destroy
		3332	insert remove name archname title slaying race decrease split
		3333	value
		3334
2025	cf::object::player player	3335	cf::object::player
2026	cf::player peaceful	3336	player
2027	cf::map trigger	3337
		3338	cf::player
		3339	peaceful
		3340
		3341	cf::map
		3342	trigger
2028		3343
2029	=cut	3344	=cut
2030		3345
2031	for (	3346	for (
2032	["cf::object" => qw(contr pay_amount pay_player map)],	3347	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3348	insert remove inv nrof name archname title slaying race
		3349	decrease split destroy change_exp value msg lore send_msg)],
2033	["cf::object::player" => qw(player)],	3350	["cf::object::player" => qw(player)],
2034	["cf::player" => qw(peaceful)],	3351	["cf::player" => qw(peaceful send_msg)],
2035	["cf::map" => qw(trigger)],	3352	["cf::map" => qw(trigger)],
2036	) {	3353	) {
2037	no strict 'refs';
2038	my ($pkg, @funs) = @$_;	3354	my ($pkg, @funs) = @$_;
2039	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3355	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2040	for @funs;	3356	for @funs;
2041	}	3357	}
2042		3358
…		…
2057		3373
2058	my $qcode = $code;	3374	my $qcode = $code;
2059	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3375	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2060	$qcode =~ s/\n/\\n/g;	3376	$qcode =~ s/\n/\\n/g;
2061		3377
		3378	%vars = (_dummy => 0) unless %vars;
		3379
		3380	my @res;
2062	local $_;	3381	local $_;
2063	local @safe::cf::_safe_eval_args = values %vars;
2064		3382
2065	my $eval =	3383	my $eval =
2066	"do {\n"	3384	"do {\n"
2067	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3385	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2068	. "#line 0 \"{$qcode}\"\n"	3386	. "#line 0 \"{$qcode}\"\n"
2069	. $code	3387	. $code
2070	. "\n}"	3388	. "\n}"
2071	;	3389	;
2072		3390
		3391	if ($CFG{safe_eval}) {
2073	sub_generation_inc;	3392	sub_generation_inc;
		3393	local @safe::cf::_safe_eval_args = values %vars;
2074	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3394	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2075	sub_generation_inc;	3395	sub_generation_inc;
		3396	} else {
		3397	local @cf::_safe_eval_args = values %vars;
		3398	@res = wantarray ? eval eval : scalar eval $eval;
		3399	}
2076		3400
2077	if ($@) {	3401	if ($@) {
2078	warn "$@";	3402	warn "$@",
2079	warn "while executing safe code '$code'\n";	3403	"while executing safe code '$code'\n",
2080	warn "with arguments " . (join " ", %vars) . "\n";	3404	"with arguments " . (join " ", %vars) . "\n";
2081	}	3405	}
2082		3406
2083	wantarray ? @res : $res[0]	3407	wantarray ? @res : $res[0]
2084	}	3408	}
2085		3409
…		…
2099	=cut	3423	=cut
2100		3424
2101	sub register_script_function {	3425	sub register_script_function {
2102	my ($fun, $cb) = @_;	3426	my ($fun, $cb) = @_;
2103		3427
2104	no strict 'refs';	3428	$fun = "safe::$fun" if $CFG{safe_eval};
2105	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3429	*$fun = $safe_hole->wrap ($cb);
2106	}	3430	}
2107		3431
2108	=back	3432	=back
2109		3433
2110	=cut	3434	=cut
2111		3435
2112	#############################################################################	3436	#############################################################################
		3437	# the server's init and main functions
2113		3438
2114	=head2 EXTENSION DATABASE SUPPORT	3439	sub load_facedata($) {
		3440	my ($path) = @_;
2115		3441
2116	Crossfire maintains a very simple database for extension use. It can	3442	# HACK to clear player env face cache, we need some signal framework
2117	currently store anything that can be serialised using Storable, which	3443	# for this (global event?)
2118	excludes objects.	3444	%ext::player_env::MUSIC_FACE_CACHE = ();
2119		3445
2120	The parameter C<$family> should best start with the name of the extension	3446	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121	using it, it should be unique.
2122		3447
2123	=over 4	3448	trace "loading facedata from $path\n";
2124		3449
2125	=item $hashref = cf::db_get $family	3450	my $facedata = decode_storable load_file $path;
2126		3451
2127	Return a hashref for use by the extension C<$family>, which can be	3452	$facedata->{version} == 2
2128	modified. After modifications, you have to call C<cf::db_dirty> or	3453	or cf::cleanup "$path: version mismatch, cannot proceed.";
2129	C<cf::db_sync>.
2130		3454
2131	=item $value = cf::db_get $family => $key	3455	# patch in the exptable
2132		3456	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2133	Returns a single value from the database	3457	$facedata->{resource}{"res/exp_table"} = {
2134		3458	type => FT_RSRC,
2135	=item cf::db_put $family => $hashref	3459	data => $exp_table,
2136		3460	hash => (Digest::MD5::md5 $exp_table),
2137	Stores the given family hashref into the database. Updates are delayed, if
2138	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_put $family => $key => $value
2141
2142	Stores the given C<$value> in the family hash. Updates are delayed, if you
2143	want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145	=item cf::db_dirty
2146
2147	Marks the database as dirty, to be updated at a later time.
2148
2149	=item cf::db_sync
2150
2151	Immediately write the database to disk I<if it is dirty>.
2152
2153	=cut
2154
2155	our $DB;
2156
2157	{
2158	my $path = cf::localdir . "/database.pst";
2159
2160	sub db_load() {
2161	$DB = stat $path ? Storable::retrieve $path : { };
2162	}
2163
2164	my $pid;
2165
2166	sub db_save() {
2167	waitpid $pid, 0 if $pid;
2168	if (0 == ($pid = fork)) {
2169	$DB->{_meta}{version} = 1;
2170	Storable::nstore $DB, "$path~";
2171	rename "$path~", $path;
2172	cf::_exit 0 if defined $pid;
2173	}
2174	}
2175
2176	my $dirty;
2177
2178	sub db_sync() {
2179	db_save if $dirty;
2180	undef $dirty;
2181	}
2182
2183	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184	db_sync;
2185	});	3461	};
		3462	cf::cede_to_tick;
2186		3463
2187	sub db_dirty() {
2188	$dirty = 1;
2189	$idle->start;
2190	}	3464	{
		3465	my $faces = $facedata->{faceinfo};
2191		3466
2192	sub db_get($;$) {	3467	while (my ($face, $info) = each %$faces) {
2193	@_ >= 2	3468	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194	? $DB->{$_[0]}{$_[1]}
2195	: ($DB->{$_[0]} ||= { })
2196	}
2197		3469
2198	sub db_put($$;$) {	3470	cf::face::set_visibility $idx, $info->{visibility};
2199	if (@_ >= 3) {	3471	cf::face::set_magicmap $idx, $info->{magicmap};
2200	$DB->{$_[0]}{$_[1]} = $_[2];	3472	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2201	} else {	3473	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2202	$DB->{$_[0]} = $_[1];	3474	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2203	}
2204	db_dirty;
2205	}
2206		3475
2207	cf::global->attach (	3476	cf::cede_to_tick;
2208	prio => 10000,
2209	on_cleanup => sub {
2210	db_sync;
2211	},	3477	}
2212	);
2213	}
2214		3478
2215	#############################################################################	3479	while (my ($face, $info) = each %$faces) {
2216	# the server's main()	3480	next unless $info->{smooth};
2217		3481
2218	sub cfg_load {	3482	my $idx = cf::face::find $face
2219	open my $fh, "<:utf8", cf::confdir . "/config"	3483	or next;
2220	or return;
2221		3484
2222	local $/;	3485	if (my $smooth = cf::face::find $info->{smooth}) {
2223	*CFG = YAML::Syck::Load <$fh>;	3486	cf::face::set_smooth $idx, $smooth;
		3487	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3488	} else {
		3489	error "smooth face '$info->{smooth}' not found for face '$face'";
		3490	}
2224		3491
		3492	cf::cede_to_tick;
		3493	}
		3494	}
		3495
		3496	{
		3497	my $anims = $facedata->{animinfo};
		3498
		3499	while (my ($anim, $info) = each %$anims) {
		3500	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3501	cf::cede_to_tick;
		3502	}
		3503
		3504	cf::anim::invalidate_all; # d'oh
		3505	}
		3506
		3507	{
		3508	my $res = $facedata->{resource};
		3509
		3510	while (my ($name, $info) = each %$res) {
		3511	if (defined $info->{type}) {
		3512	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3513
		3514	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3515	cf::face::set_type $idx, $info->{type};
		3516	} else {
		3517	$RESOURCE{$name} = $info; # unused
		3518	}
		3519
		3520	cf::cede_to_tick;
		3521	}
		3522	}
		3523
		3524	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3525
		3526	1
		3527	}
		3528
		3529	register_exticmd fx_want => sub {
		3530	my ($ns, $want) = @_;
		3531
		3532	while (my ($k, $v) = each %$want) {
		3533	$ns->fx_want ($k, $v);
		3534	}
		3535	};
		3536
		3537	sub load_resource_file($) {
		3538	my $guard = lock_acquire "load_resource_file";
		3539
		3540	my $status = load_resource_file_ $_[0];
		3541	get_slot 0.1, 100;
		3542	cf::arch::commit_load;
		3543
		3544	$status
		3545	}
		3546
		3547	sub reload_regions {
		3548	# HACK to clear player env face cache, we need some signal framework
		3549	# for this (global event?)
		3550	%ext::player_env::MUSIC_FACE_CACHE = ();
		3551
		3552	load_resource_file "$MAPDIR/regions"
		3553	or die "unable to load regions file\n";
		3554
		3555	for (cf::region::list) {
		3556	$_->{match} = qr/$_->{match}/
		3557	if exists $_->{match};
		3558	}
		3559	}
		3560
		3561	sub reload_facedata {
		3562	load_facedata "$DATADIR/facedata"
		3563	or die "unable to load facedata\n";
		3564	}
		3565
		3566	sub reload_archetypes {
		3567	load_resource_file "$DATADIR/archetypes"
		3568	or die "unable to load archetypes\n";
		3569	}
		3570
		3571	sub reload_treasures {
		3572	load_resource_file "$DATADIR/treasures"
		3573	or die "unable to load treasurelists\n";
		3574	}
		3575
		3576	sub reload_sound {
		3577	trace "loading sound config from $DATADIR/sound\n";
		3578
		3579	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3580
		3581	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3582	my $sound = $soundconf->{compat}[$_]
		3583	or next;
		3584
		3585	my $face = cf::face::find "sound/$sound->[1]";
		3586	cf::sound::set $sound->[0] => $face;
		3587	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3588	}
		3589
		3590	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3591	my $face = cf::face::find "sound/$v";
		3592	cf::sound::set $k => $face;
		3593	}
		3594	}
		3595
		3596	sub reload_resources {
		3597	trace "reloading resource files...\n";
		3598
		3599	reload_exp_table;
		3600	reload_materials;
		3601	reload_facedata;
		3602	reload_sound;
		3603	reload_archetypes;
		3604	reload_regions;
		3605	reload_treasures;
		3606
		3607	trace "finished reloading resource files\n";
		3608	}
		3609
		3610	sub reload_config {
		3611	trace "reloading config file...\n";
		3612
		3613	my $config = load_file "$CONFDIR/config";
		3614	utf8::decode $config;
		3615	*CFG = decode_yaml $config;
		3616
2225	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3617	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2226		3618
2227	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3619	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2228	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3620	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2229		3621
2230	if (exists $CFG{mlockall}) {	3622	if (exists $CFG{mlockall}) {
…		…
2234	};	3626	};
2235	warn $@ if $@;	3627	warn $@ if $@;
2236	}	3628	}
2237	}	3629	}
2238		3630
		3631	sub pidfile() {
		3632	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3633	or die "$PIDFILE: $!";
		3634	flock $fh, &Fcntl::LOCK_EX
		3635	or die "$PIDFILE: flock: $!";
		3636	$fh
		3637	}
		3638
		3639	# make sure only one server instance is running at any one time
		3640	sub atomic {
		3641	my $fh = pidfile;
		3642
		3643	my $pid = <$fh>;
		3644	kill 9, $pid if $pid > 0;
		3645
		3646	seek $fh, 0, 0;
		3647	print $fh $$;
		3648	}
		3649
		3650	sub main_loop {
		3651	trace "EV::loop starting\n";
		3652	if (1) {
		3653	EV::loop;
		3654	}
		3655	trace "EV::loop returned\n";
		3656	goto &main_loop unless $REALLY_UNLOOP;
		3657	}
		3658
2239	sub main {	3659	sub main {
		3660	cf::init_globals; # initialise logging
		3661
		3662	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3663	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3664	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3665	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3666
		3667	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3668
2240	# we must not ever block the main coroutine	3669	# we must not ever block the main coroutine
2241	local $Coro::idle = sub {	3670	local $Coro::idle = sub {
2242	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3671	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2243	(async {	3672	(async {
2244	Event::one_event;	3673	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3674	EV::loop EV::LOOP_ONESHOT;
2245	})->prio (Coro::PRIO_MAX);	3675	})->prio (Coro::PRIO_MAX);
2246	};	3676	};
2247		3677
2248	cfg_load;	3678	evthread_start IO::AIO::poll_fileno;
2249	db_load;	3679
		3680	cf::sync_job {
		3681	cf::incloader::init ();
		3682
		3683	cf::init_anim;
		3684	cf::init_attackmess;
		3685	cf::init_dynamic;
		3686
		3687	cf::load_settings;
		3688
		3689	reload_resources;
		3690	reload_config;
		3691	db_init;
		3692
		3693	cf::init_uuid;
		3694	cf::init_signals;
		3695	cf::init_skills;
		3696
		3697	cf::init_beforeplay;
		3698
		3699	atomic;
		3700
2250	load_extensions;	3701	load_extensions;
2251		3702
2252	$TICK_WATCHER->start;	3703	utime time, time, $RUNTIMEFILE;
2253	Event::loop;	3704
		3705	# no (long-running) fork's whatsoever before this point(!)
		3706	use POSIX ();
		3707	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3708
		3709	cf::_post_init 0;
		3710	};
		3711
		3712	cf::object::thawer::errors_are_fatal 0;
		3713	info "parse errors in files are no longer fatal from this point on.\n";
		3714
		3715	my $free_main; $free_main = EV::idle sub {
		3716	undef $free_main;
		3717	undef &main; # free gobs of memory :)
		3718	};
		3719
		3720	goto &main_loop;
2254	}	3721	}
2255		3722
2256	#############################################################################	3723	#############################################################################
2257	# initialisation and cleanup	3724	# initialisation and cleanup
2258		3725
2259	# install some emergency cleanup handlers	3726	# install some emergency cleanup handlers
2260	BEGIN {	3727	BEGIN {
		3728	our %SIGWATCHER = ();
2261	for my $signal (qw(INT HUP TERM)) {	3729	for my $signal (qw(INT HUP TERM)) {
2262	Event->signal (	3730	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2263	data => WF_AUTOCANCEL,
2264	signal => $signal,
2265	cb => sub {
2266	cf::cleanup "SIG$signal";	3731	cf::cleanup "SIG$signal";
2267	},
2268	);	3732	};
		3733	}
		3734	}
		3735
		3736	sub write_runtime_sync {
		3737	my $t0 = AE::time;
		3738
		3739	# first touch the runtime file to show we are still running:
		3740	# the fsync below can take a very very long time.
		3741
		3742	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3743
		3744	my $guard = cf::lock_acquire "write_runtime";
		3745
		3746	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3747	or return;
		3748
		3749	my $value = $cf::RUNTIME + 90 + 10;
		3750	# 10 is the runtime save interval, for a monotonic clock
		3751	# 60 allows for the watchdog to kill the server.
		3752
		3753	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3754	and return;
		3755
		3756	# always fsync - this file is important
		3757	aio_fsync $fh
		3758	and return;
		3759
		3760	# touch it again to show we are up-to-date
		3761	aio_utime $fh, undef, undef;
		3762
		3763	close $fh
		3764	or return;
		3765
		3766	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3767	and return;
		3768
		3769	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3770
2269	}	3771	1
		3772	}
		3773
		3774	our $uuid_lock;
		3775	our $uuid_skip;
		3776
		3777	sub write_uuid_sync($) {
		3778	$uuid_skip ||= $_[0];
		3779
		3780	return if $uuid_lock;
		3781	local $uuid_lock = 1;
		3782
		3783	my $uuid = "$LOCALDIR/uuid";
		3784
		3785	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3786	or return;
		3787
		3788	my $value = uuid_seq uuid_cur;
		3789
		3790	unless ($value) {
		3791	info "cowardly refusing to write zero uuid value!\n";
		3792	return;
		3793	}
		3794
		3795	my $value = uuid_str $value + $uuid_skip;
		3796	$uuid_skip = 0;
		3797
		3798	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3799	and return;
		3800
		3801	# always fsync - this file is important
		3802	aio_fsync $fh
		3803	and return;
		3804
		3805	close $fh
		3806	or return;
		3807
		3808	aio_rename "$uuid~", $uuid
		3809	and return;
		3810
		3811	trace "uuid file written ($value).\n";
		3812
		3813	1
		3814
		3815	}
		3816
		3817	sub write_uuid($$) {
		3818	my ($skip, $sync) = @_;
		3819
		3820	$sync ? write_uuid_sync $skip
		3821	: async { write_uuid_sync $skip };
2270	}	3822	}
2271		3823
2272	sub emergency_save() {	3824	sub emergency_save() {
2273	my $freeze_guard = cf::freeze_mainloop;	3825	my $freeze_guard = cf::freeze_mainloop;
2274		3826
2275	warn "enter emergency perl save\n";	3827	info "emergency_perl_save: enter\n";
		3828
		3829	# this is a trade-off: we want to be very quick here, so
		3830	# save all maps without fsync, and later call a global sync
		3831	# (which in turn might be very very slow)
		3832	local $USE_FSYNC = 0;
2276		3833
2277	cf::sync_job {	3834	cf::sync_job {
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
2278	# use a peculiar iteration method to avoid tripping on perl	3837	# use a peculiar iteration method to avoid tripping on perl
2279	# refcount bugs in for. also avoids problems with players	3838	# refcount bugs in for. also avoids problems with players
2280	# and maps saved/destroyed asynchronously.	3839	# and maps saved/destroyed asynchronously.
2281	warn "begin emergency player save\n";	3840	info "emergency_perl_save: begin player save\n";
2282	for my $login (keys %cf::PLAYER) {	3841	for my $login (keys %cf::PLAYER) {
2283	my $pl = $cf::PLAYER{$login} or next;	3842	my $pl = $cf::PLAYER{$login} or next;
2284	$pl->valid or next;	3843	$pl->valid or next;
		3844	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285	$pl->save;	3845	$pl->save;
2286	}	3846	}
2287	warn "end emergency player save\n";	3847	info "emergency_perl_save: end player save\n";
2288		3848
2289	warn "begin emergency map save\n";	3849	cf::write_runtime_sync; # external watchdog should not bark
		3850
		3851	info "emergency_perl_save: begin map save\n";
2290	for my $path (keys %cf::MAP) {	3852	for my $path (keys %cf::MAP) {
2291	my $map = $cf::MAP{$path} or next;	3853	my $map = $cf::MAP{$path} or next;
2292	$map->valid or next;	3854	$map->valid or next;
2293	$map->save;	3855	$map->save;
2294	}	3856	}
2295	warn "end emergency map save\n";	3857	info "emergency_perl_save: end map save\n";
		3858
		3859	cf::write_runtime_sync; # external watchdog should not bark
		3860
		3861	info "emergency_perl_save: begin database checkpoint\n";
		3862	BDB::db_env_txn_checkpoint $DB_ENV;
		3863	info "emergency_perl_save: end database checkpoint\n";
		3864
		3865	info "emergency_perl_save: begin write uuid\n";
		3866	write_uuid_sync 1;
		3867	info "emergency_perl_save: end write uuid\n";
		3868
		3869	cf::write_runtime_sync; # external watchdog should not bark
		3870
		3871	trace "emergency_perl_save: syncing database to disk";
		3872	BDB::db_env_txn_checkpoint $DB_ENV;
		3873
		3874	info "emergency_perl_save: starting sync\n";
		3875	IO::AIO::aio_sync sub {
		3876	info "emergency_perl_save: finished sync\n";
		3877	};
		3878
		3879	cf::write_runtime_sync; # external watchdog should not bark
		3880
		3881	trace "emergency_perl_save: flushing outstanding aio requests";
		3882	while (IO::AIO::nreqs || BDB::nreqs) {
		3883	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3884	}
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
2296	};	3887	};
2297		3888
2298	warn "leave emergency perl save\n";	3889	info "emergency_perl_save: leave\n";
2299	}	3890	}
2300		3891
		3892	sub post_cleanup {
		3893	my ($make_core) = @_;
		3894
		3895	IO::AIO::flush;
		3896
		3897	error Carp::longmess "post_cleanup backtrace"
		3898	if $make_core;
		3899
		3900	my $fh = pidfile;
		3901	unlink $PIDFILE if <$fh> == $$;
		3902	}
		3903
		3904	# a safer delete_package, copied from Symbol
		3905	sub clear_package($) {
		3906	my $pkg = shift;
		3907
		3908	# expand to full symbol table name if needed
		3909	unless ($pkg =~ /^main::.*::$/) {
		3910	$pkg = "main$pkg" if $pkg =~ /^::/;
		3911	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3912	$pkg .= '::' unless $pkg =~ /::$/;
		3913	}
		3914
		3915	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3916	my $stem_symtab = *{$stem}{HASH};
		3917
		3918	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3919	or return;
		3920
		3921	# clear all symbols
		3922	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3923	for my $name (keys %$leaf_symtab) {
		3924	_gv_clear *{"$pkg$name"};
		3925	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3926	}
		3927	}
		3928
2301	sub reload() {	3929	sub do_reload_perl() {
2302	# can/must only be called in main	3930	# can/must only be called in main
2303	if ($Coro::current != $Coro::main) {	3931	unless (in_main) {
2304	warn "can only reload from main coroutine";	3932	error "can only reload from main coroutine";
2305	return;	3933	return;
2306	}	3934	}
2307		3935
2308	warn "reloading...";	3936	return if $RELOAD++;
2309		3937
2310	warn "cancelling server ticker";	3938	my $t1 = AE::time;
2311	$TICK_WATCHER->cancel;
2312		3939
		3940	while ($RELOAD) {
		3941	cf::get_slot 0.1, -1, "reload_perl";
		3942	info "perl_reload: reloading...";
		3943
		3944	trace "perl_reload: entering sync_job";
		3945
		3946	cf::sync_job {
2313	cf::emergency_save;	3947	#cf::emergency_save;
2314		3948
2315	eval {
2316	# if anything goes wrong in here, we should simply crash as we already saved
2317
2318	warn "syncing database to disk";
2319	cf::db_sync;
2320
2321	warn "cancelling all WF_AUTOCANCEL watchers";
2322	for (Event::all_watchers) {
2323	$_->cancel if $_->data & WF_AUTOCANCEL;
2324	}
2325
2326	warn "flushing outstanding aio requests";
2327	for (;;) {
2328	IO::AIO::flush;
2329	Coro::cede;
2330	last unless IO::AIO::nreqs;
2331	warn "iterate...";
2332	}
2333
2334	warn "cancelling all extension coros";	3949	trace "perl_reload: cancelling all extension coros";
2335	$_->cancel for values %EXT_CORO;	3950	$_->cancel for values %EXT_CORO;
2336	%EXT_CORO = ();	3951	%EXT_CORO = ();
2337		3952
2338	warn "removing commands";	3953	trace "perl_reload: removing commands";
2339	%COMMAND = ();	3954	%COMMAND = ();
2340		3955
2341	warn "removing ext commands";	3956	trace "perl_reload: removing ext/exti commands";
2342	%EXTCMD = ();	3957	%EXTCMD = ();
		3958	%EXTICMD = ();
2343		3959
2344	warn "unloading/nuking all extensions";	3960	trace "perl_reload: unloading/nuking all extensions";
2345	for my $pkg (@EXTS) {	3961	for my $pkg (@EXTS) {
2346	warn "... unloading $pkg";	3962	trace "... unloading $pkg";
2347		3963
2348	if (my $cb = $pkg->can ("unload")) {	3964	if (my $cb = $pkg->can ("unload")) {
2349	eval {	3965	eval {
2350	$cb->($pkg);	3966	$cb->($pkg);
2351	1	3967	1
2352	} or warn "$pkg unloaded, but with errors: $@";	3968	} or error "$pkg unloaded, but with errors: $@";
		3969	}
		3970
		3971	trace "... clearing $pkg";
		3972	clear_package $pkg;
2353	}	3973	}
2354		3974
2355	warn "... nuking $pkg";
2356	Symbol::delete_package $pkg;
2357	}
2358
2359	warn "unloading all perl modules loaded from $LIBDIR";	3975	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2360	while (my ($k, $v) = each %INC) {	3976	while (my ($k, $v) = each %INC) {
2361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3977	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362		3978
2363	warn "... unloading $k";	3979	trace "... unloading $k";
2364	delete $INC{$k};	3980	delete $INC{$k};
2365		3981
2366	$k =~ s/\.pm$//;	3982	$k =~ s/\.pm$//;
2367	$k =~ s/\//::/g;	3983	$k =~ s/\//::/g;
2368		3984
2369	if (my $cb = $k->can ("unload_module")) {	3985	if (my $cb = $k->can ("unload_module")) {
2370	$cb->();	3986	$cb->();
		3987	}
		3988
		3989	clear_package $k;
2371	}	3990	}
2372		3991
2373	Symbol::delete_package $k;
2374	}
2375
2376	warn "getting rid of safe::, as good as possible";	3992	trace "perl_reload: getting rid of safe::, as good as possible";
2377	Symbol::delete_package "safe::$_"	3993	clear_package "safe::$_"
2378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3994	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2379		3995
2380	warn "unloading cf.pm \"a bit\"";	3996	trace "perl_reload: unloading cf.pm \"a bit\"";
2381	delete $INC{"cf.pm"};	3997	delete $INC{"cf.pm"};
		3998	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2382		3999
2383	# don't, removes xs symbols, too,	4000	# don't, removes xs symbols, too,
2384	# and global variables created in xs	4001	# and global variables created in xs
2385	#Symbol::delete_package __PACKAGE__;	4002	#clear_package __PACKAGE__;
2386		4003
2387	warn "unload completed, starting to reload now";	4004	info "perl_reload: unload completed, starting to reload now";
2388		4005
2389	warn "reloading cf.pm";	4006	trace "perl_reload: reloading cf.pm";
2390	require cf;	4007	require cf;
2391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4008	cf::_connect_to_perl_1;
2392		4009
2393	warn "loading config and database again";	4010	trace "perl_reload: loading config and database again";
2394	cf::cfg_load;	4011	cf::reload_config;
2395	cf::db_load;
2396		4012
2397	warn "loading extensions";	4013	trace "perl_reload: loading extensions";
2398	cf::load_extensions;	4014	cf::load_extensions;
2399		4015
		4016	if ($REATTACH_ON_RELOAD) {
2400	warn "reattaching attachments to objects/players";	4017	trace "perl_reload: reattaching attachments to objects/players";
2401	_global_reattach;	4018	_global_reattach; # objects, sockets
2402	warn "reattaching attachments to maps";	4019	trace "perl_reload: reattaching attachments to maps";
2403	reattach $_ for values %MAP;	4020	reattach $_ for values %MAP;
		4021	trace "perl_reload: reattaching attachments to players";
		4022	reattach $_ for values %PLAYER;
		4023	}
2404		4024
2405	warn "restarting server ticker";	4025	cf::_post_init 1;
2406		4026
2407	$TICK_WATCHER->start;	4027	trace "perl_reload: leaving sync_job";
		4028
		4029	1
		4030	} or do {
		4031	error $@;
		4032	cf::cleanup "perl_reload: error, exiting.";
		4033	};
		4034
		4035	--$RELOAD;
		4036	}
		4037
		4038	$t1 = AE::time - $t1;
		4039	info "perl_reload: completed in ${t1}s\n";
		4040	};
		4041
		4042	our $RELOAD_WATCHER; # used only during reload
		4043
		4044	sub reload_perl() {
		4045	# doing reload synchronously and two reloads happen back-to-back,
		4046	# coro crashes during coro_state_free->destroy here.
		4047
		4048	$RELOAD_WATCHER ||= cf::async {
		4049	Coro::AIO::aio_wait cache_extensions;
		4050
		4051	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4052	do_reload_perl;
		4053	undef $RELOAD_WATCHER;
		4054	};
2408	};	4055	};
2409		4056	}
2410	if ($@) {
2411	warn $@;
2412	warn "error while reloading, exiting.";
2413	exit 1;
2414	}
2415
2416	warn "reloaded";
2417	};
2418
2419	our $RELOAD_WATCHER; # used only during reload
2420		4057
2421	register_command "reload" => sub {	4058	register_command "reload" => sub {
2422	my ($who, $arg) = @_;	4059	my ($who, $arg) = @_;
2423		4060
2424	if ($who->flag (FLAG_WIZ)) {	4061	if ($who->flag (FLAG_WIZ)) {
2425	$who->message ("reloading server.");	4062	$who->message ("reloading server.");
2426		4063	async {
2427	# doing reload synchronously and two reloads happen back-to-back,	4064	$Coro::current->{desc} = "perl_reload";
2428	# coro crashes during coro_state_free->destroy here.
2429
2430	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431	reload;	4065	reload_perl;
2432	undef $RELOAD_WATCHER;
2433	});	4066	};
2434	}	4067	}
2435	};	4068	};
2436		4069
2437	unshift @INC, $LIBDIR;	4070	#############################################################################
2438		4071
2439	my $bug_warning = 0;	4072	my $bug_warning = 0;
2440		4073
2441	$TICK_WATCHER = Event->timer (	4074	our @WAIT_FOR_TICK;
2442	reentrant => 0,	4075	our @WAIT_FOR_TICK_BEGIN;
2443	parked => 1,	4076
2444	prio => 0,	4077	sub wait_for_tick() {
2445	at => $NEXT_TICK || $TICK,	4078	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2446	data => WF_AUTOCANCEL,	4079
2447	cb => sub {	4080	my $signal = new Coro::Signal;
		4081	push @WAIT_FOR_TICK, $signal;
		4082	$signal->wait;
		4083	}
		4084
		4085	sub wait_for_tick_begin() {
		4086	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4087
		4088	my $signal = new Coro::Signal;
		4089	push @WAIT_FOR_TICK_BEGIN, $signal;
		4090	$signal->wait;
		4091	}
		4092
		4093	sub tick {
2448	if ($Coro::current != $Coro::main) {	4094	if ($Coro::current != $Coro::main) {
2449	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4095	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450	unless ++$bug_warning > 10;	4096	unless ++$bug_warning > 10;
2451	return;	4097	return;
2452	}	4098	}
2453		4099
2454	$NOW = Event::time;
2455
2456	cf::server_tick; # one server iteration	4100	cf::server_tick; # one server iteration
2457	$RUNTIME += $TICK;
2458	$NEXT_TICK += $TICK;
2459		4101
2460	$WAIT_FOR_TICK->broadcast;	4102	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2461	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2462		4103
2463	# if we are delayed by four ticks or more, skip them all	4104	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2464	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4105	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2465		4106	Coro::async_pool {
2466	$TICK_WATCHER->at ($NEXT_TICK);	4107	$Coro::current->{desc} = "runtime saver";
2467	$TICK_WATCHER->start;	4108	write_runtime_sync
		4109	or error "ERROR: unable to write runtime file: $!";
		4110	};
2468	},	4111	}
2469	);
2470		4112
		4113	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4114	$sig->send;
		4115	}
		4116	while (my $sig = shift @WAIT_FOR_TICK) {
		4117	$sig->send;
		4118	}
		4119
		4120	$LOAD = ($NOW - $TICK_START) / $TICK;
		4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4122
		4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
		4129	}
		4130	}
		4131
		4132	{
		4133	# configure BDB
		4134
		4135	BDB::min_parallel 16;
		4136	BDB::max_poll_reqs $TICK * 0.1;
		4137	$AnyEvent::BDB::WATCHER->priority (1);
		4138
		4139	unless ($DB_ENV) {
		4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4146
		4147	cf::sync_job {
		4148	eval {
		4149	BDB::db_env_open
		4150	$DB_ENV,
		4151	$BDBDIR,
		4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4154	0666;
		4155
		4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4157	};
		4158
		4159	cf::cleanup "db_env_open(db): $@" if $@;
		4160	};
		4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
		4172	}
		4173
		4174	{
		4175	# configure IO::AIO
		4176
		4177	IO::AIO::min_parallel 8;
2471	IO::AIO::max_poll_time $TICK * 0.2;	4178	IO::AIO::max_poll_time $TICK * 0.1;
		4179	undef $AnyEvent::AIO::WATCHER;
		4180	}
2472		4181
2473	$AIO_POLL_WATCHER = Event->io (	4182	our $_log_backtrace;
2474	fd => IO::AIO::poll_fileno,	4183	our $_log_backtrace_last;
2475	poll => 'r',
2476	prio => 5,
2477	data => WF_AUTOCANCEL,
2478	cb => \&IO::AIO::poll_cb,
2479	);
2480		4184
2481	$WRITE_RUNTIME_WATCHER = Event->timer (	4185	sub _log_backtrace {
2482	data => WF_AUTOCANCEL,	4186	my ($msg, @addr) = @_;
2483	after => 1,	4187
2484	interval => 10,	4188	$msg =~ s/\n$//;
2485	prio => 6, # keep it lowest so it acts like a watchdog	4189
2486	cb => Coro::unblock_sub {	4190	if ($_log_backtrace_last eq $msg) {
2487	write_runtime	4191	LOG llevInfo, "[ABT] $msg\n";
2488	or warn "ERROR: unable to write runtime file: $!";	4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
		4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2489	},	4226	}
2490	);	4227	}
		4228
		4229	# load additional modules
		4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2491		4232
2492	END { cf::emergency_save }	4233	END { cf::emergency_save }
2493		4234
2494	1	4235	1
2495		4236

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