ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.564 by elmex, Thu Apr 28 14:58:08 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.4 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	123	our $NEXT_TICK;
52	our $NOW;	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
53		132
54	our %CFG;	133	our %CFG;
55		134
56	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	136	our $RUNTIME;
		137	our $NOW;
58		138
59	our %PLAYER; # all users	139	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	140	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	141	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		142
67	# used to convert map paths into valid unix filenames by replacing / by ∕	143	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	144	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		145
		146	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		147	our $LOADAVG; # same thing, but with alpha-smoothing
		148	our $JITTER; # average jitter
		149	our $TICK_START; # for load detecting purposes
		150
		151	our @POST_INIT;
		152
		153	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		154	our $REALLY_UNLOOP; # never set to true, please :)
		155
70	binmode STDOUT;	156	binmode STDOUT;
71	binmode STDERR;	157	binmode STDERR;
72		158
73	# read virtual server time, if available	159	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	160	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	161	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	162	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	163	$RUNTIME = <$fh> + 0.;
78	}	164	}
79		165
80	mkdir cf::localdir;	166	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	167
82	mkdir cf::localdir . "/" . cf::tmpdir;	168	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	169	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		170
86	our $EMERGENCY_POSITION;	171	our $EMERGENCY_POSITION;
		172
		173	sub cf::map::normalise;
		174
		175	sub in_main() {
		176	$Coro::current == $Coro::main
		177	}
		178
		179	#############################################################################
		180
		181	%REFLECT = ();
		182	for (@REFLECT) {
		183	my $reflect = JSON::XS::decode_json $_;
		184	$REFLECT{$reflect->{class}} = $reflect;
		185	}
		186
		187	# this is decidedly evil
		188	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
87		189
88	#############################################################################	190	#############################################################################
89		191
90	=head2 GLOBAL VARIABLES	192	=head2 GLOBAL VARIABLES
91		193
…		…
98	=item $cf::RUNTIME	200	=item $cf::RUNTIME
99		201
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	202	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	203	every server tick.
102		204
103	=item $cf::LIBDIR	205	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		206	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		207	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		208
105	The perl library directory, where extensions and cf-specific modules can	209	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	210	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		211	unique-items directory, player file directory, random maps directory and
		212	database environment.
107		213
108	=item $cf::NOW	214	=item $cf::NOW
109		215
110	The time of the last (current) server tick.	216	The time of the last (current) server tick.
111		217
112	=item $cf::TICK	218	=item $cf::TICK
113		219
114	The interval between server ticks, in seconds.	220	The interval between server ticks, in seconds.
115		221
		222	=item $cf::LOADAVG
		223
		224	The current CPU load on the server (alpha-smoothed), as a value between 0
		225	(none) and 1 (overloaded), indicating how much time is spent on processing
		226	objects per tick. Healthy values are < 0.5.
		227
		228	=item $cf::LOAD
		229
		230	The raw value load value from the last tick.
		231
116	=item %cf::CFG	232	=item %cf::CFG
117		233
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	234	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	235	from wherever your confdir points to.
120		236
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	237	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		238
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	239	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	240	returns directly I<after> the tick processing (and consequently, can only wake one thread
125	processing has been done. Call C<< ->wait >> on them to maximise the	241	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	242
		243	=cut
		244
		245	sub wait_for_tick();
		246	sub wait_for_tick_begin();
		247
		248	=item @cf::INVOKE_RESULTS
		249
		250	This array contains the results of the last C<invoke ()> call. When
		251	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		252	that call.
		253
		254	=item %cf::REFLECT
		255
		256	Contains, for each (C++) class name, a hash reference with information
		257	about object members (methods, scalars, arrays and flags) and other
		258	metadata, which is useful for introspection.
127		259
128	=back	260	=back
129		261
130	=cut	262	=cut
131		263
132	BEGIN {	264	sub error(@) { LOG llevError, join "", @_ }
133	*CORE::GLOBAL::warn = sub {	265	sub warn (@) { LOG llevWarn , join "", @_ }
		266	sub info (@) { LOG llevInfo , join "", @_ }
		267	sub debug(@) { LOG llevDebug, join "", @_ }
		268	sub trace(@) { LOG llevTrace, join "", @_ }
		269
		270	$Coro::State::WARNHOOK = sub {
134	my $msg = join "", @_;	271	my $msg = join "", @_;
135	utf8::encode $msg;
136		272
137	$msg .= "\n"	273	$msg .= "\n"
138	unless $msg =~ /\n$/;	274	unless $msg =~ /\n$/;
139		275
		276	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		277
140	LOG llevError, $msg;	278	LOG llevWarn, $msg;
141	};	279	};
142	}	280
		281	$Coro::State::DIEHOOK = sub {
		282	return unless $^S eq 0; # "eq", not "=="
		283
		284	error Carp::longmess $_[0];
		285
		286	if (in_main) {#d#
		287	error "DIEHOOK called in main context, Coro bug?\n";#d#
		288	return;#d#
		289	}#d#
		290
		291	# kill coroutine otherwise
		292	Coro::terminate
		293	};
143		294
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	295	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	296	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	297	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	298	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	299	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		300	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	301	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		302
151	# we bless all objects into (empty) derived classes to force a method lookup	303	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	304	# within the Safe compartment.
153	for my $pkg (qw(	305	for my $pkg (qw(
154	cf::global cf::attachable	306	cf::global cf::attachable
155	cf::object cf::object::player	307	cf::object cf::object::player
156	cf::client cf::player	308	cf::client cf::player
157	cf::arch cf::living	309	cf::arch cf::living
		310	cf::map cf::mapspace
158	cf::map cf::party cf::region	311	cf::party cf::region
159	)) {	312	)) {
160	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	313	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	314	}
163		315
164	$Event::DIED = sub {	316	$EV::DIED = sub {
165	warn "error in event callback: @_";	317	Carp::cluck "error in event callback: @_";
166	};	318	};
		319
		320	#############################################################################
		321
		322	sub fork_call(&@);
		323	sub get_slot($;$$);
		324
		325	#############################################################################
167		326
168	=head2 UTILITY FUNCTIONS	327	=head2 UTILITY FUNCTIONS
169		328
170	=over 4	329	=over 4
171		330
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	349	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	350	$d
192	} || "[unable to dump $_[0]: '$@']";	351	} || "[unable to dump $_[0]: '$@']";
193	}	352	}
194		353
195	use JSON::Syck (); # TODO# replace by JSON::PC once working	354	=item $scalar = load_file $path
196		355
		356	Loads the given file from path and returns its contents. Croaks on error
		357	and can block.
		358
		359	=cut
		360
		361	sub load_file($) {
		362	0 <= aio_load $_[0], my $data
		363	or Carp::croak "$_[0]: $!";
		364
		365	$data
		366	}
		367
197	=item $ref = cf::from_json $json	368	=item $ref = cf::decode_json $json
198		369
199	Converts a JSON string into the corresponding perl data structure.	370	Converts a JSON string into the corresponding perl data structure.
200		371
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	372	=item $json = cf::encode_json $ref
209		373
210	Converts a perl data structure into its JSON representation.	374	Converts a perl data structure into its JSON representation.
211		375
212	=cut	376	=cut
213		377
214	sub to_json($) {	378	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	379
216	JSON::Syck::Dump $_[0]	380	sub encode_json($) { $json_coder->encode ($_[0]) }
		381	sub decode_json($) { $json_coder->decode ($_[0]) }
		382
		383	=item $ref = cf::decode_storable $scalar
		384
		385	Same as Coro::Storable::thaw, so blocks.
		386
		387	=cut
		388
		389	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		390
		391	=item $ref = cf::decode_yaml $scalar
		392
		393	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		394
		395	=cut
		396
		397	sub decode_yaml($) {
		398	fork_call { YAML::XS::Load $_[0] } @_
		399	}
		400
		401	=item $scalar = cf::unlzf $scalar
		402
		403	Same as Compress::LZF::compress, but takes server ticks into account, so
		404	blocks.
		405
		406	=cut
		407
		408	sub unlzf($) {
		409	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		410	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		411	Compress::LZF::decompress $_[0]
		412	}
		413
		414	=item cf::post_init { BLOCK }
		415
		416	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		417	but I<before> the server starts ticking again.
		418
		419	The codeblock will have a single boolean argument to indicate whether this
		420	is a reload or not.
		421
		422	=cut
		423
		424	sub post_init(&) {
		425	push @POST_INIT, shift;
		426	}
		427
		428	sub _post_init {
		429	trace "running post_init jobs";
		430
		431	# run them in parallel...
		432
		433	my @join;
		434
		435	while () {
		436	push @join, map &Coro::async ($_, 0), @POST_INIT;
		437	@POST_INIT = ();
		438
		439	@join or last;
		440
		441	(pop @join)->join;
		442	}
217	}	443	}
218		444
219	=item cf::lock_wait $string	445	=item cf::lock_wait $string
220		446
221	Wait until the given lock is available. See cf::lock_acquire.	447	Wait until the given lock is available. See cf::lock_acquire.
222		448
223	=item my $lock = cf::lock_acquire $string	449	=item my $lock = cf::lock_acquire $string
224		450
225	Wait until the given lock is available and then acquires it and returns	451	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	452	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	453	for example when the coroutine gets canceled), the lock is automatically
228	returned.	454	returned.
229		455
		456	Locks are *not* recursive, locking from the same coro twice results in a
		457	deadlocked coro.
		458
230	Lock names should begin with a unique identifier (for example, cf::map::find	459	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	460	uses map_find and cf::map::load uses map_load).
232		461
233	=cut	462	=item $locked = cf::lock_active $string
234		463
235	our %LOCK;	464	Return true if the lock is currently active, i.e. somebody has locked it.
		465
		466	=cut
		467
		468	our $LOCKS = new Coro::SemaphoreSet;
236		469
237	sub lock_wait($) {	470	sub lock_wait($) {
238	my ($key) = @_;	471	$LOCKS->wait ($_[0]);
239
240	# wait for lock, if any
241	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;
244	}
245	}	472	}
246		473
247	sub lock_acquire($) {	474	sub lock_acquire($) {
248	my ($key) = @_;	475	$LOCKS->guard ($_[0])
		476	}
249		477
250	# wait, to be sure we are not locked	478	sub lock_active($) {
251	lock_wait $key;	479	$LOCKS->count ($_[0]) < 1
252
253	$LOCK{$key} = [];
254
255	Coro::guard {
256	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };
258	}
259	}	480	}
260		481
261	sub freeze_mainloop {	482	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	483	tick_inhibit_inc;
263		484
264	my $guard = Coro::guard {	485	&Guard::guard (\&tick_inhibit_dec);
265	$TICK_WATCHER->start;	486	}
266	$WRITE_RUNTIME_WATCHER->start;	487
		488	=item cf::periodic $interval, $cb
		489
		490	Like EV::periodic, but randomly selects a starting point so that the actions
		491	get spread over time.
		492
		493	=cut
		494
		495	sub periodic($$) {
		496	my ($interval, $cb) = @_;
		497
		498	my $start = rand List::Util::min 180, $interval;
		499
		500	EV::periodic $start, $interval, 0, $cb
		501	}
		502
		503	=item cf::get_slot $time[, $priority[, $name]]
		504
		505	Allocate $time seconds of blocking CPU time at priority C<$priority>
		506	(default: 0): This call blocks and returns only when you have at least
		507	C<$time> seconds of cpu time till the next tick. The slot is only valid
		508	till the next cede.
		509
		510	Background jobs should use a priority les than zero, interactive jobs
		511	should use 100 or more.
		512
		513	The optional C<$name> can be used to identify the job to run. It might be
		514	used for statistical purposes and should identify the same time-class.
		515
		516	Useful for short background jobs.
		517
		518	=cut
		519
		520	our @SLOT_QUEUE;
		521	our $SLOT_QUEUE;
		522	our $SLOT_DECAY = 0.9;
		523
		524	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		525	$SLOT_QUEUE = Coro::async {
		526	$Coro::current->desc ("timeslot manager");
		527
		528	my $signal = new Coro::Signal;
		529	my $busy;
		530
		531	while () {
		532	next_job:
		533
		534	my $avail = cf::till_tick;
		535
		536	for (0 .. $#SLOT_QUEUE) {
		537	if ($SLOT_QUEUE[$_][0] <= $avail) {
		538	$busy = 0;
		539	my $job = splice @SLOT_QUEUE, $_, 1, ();
		540	$job->[2]->send;
		541	Coro::cede;
		542	goto next_job;
		543	} else {
		544	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		545	}
		546	}
		547
		548	if (@SLOT_QUEUE) {
		549	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		550	push @cf::WAIT_FOR_TICK, $signal;
		551	$signal->wait;
		552	} else {
		553	$busy = 0;
		554	Coro::schedule;
		555	}
267	};	556	}
268	$WRITE_RUNTIME_WATCHER->stop;	557	};
269	$TICK_WATCHER->stop;	558
270	$guard	559	sub get_slot($;$$) {
		560	return if tick_inhibit || $Coro::current == $Coro::main;
		561
		562	my ($time, $pri, $name) = @_;
		563
		564	$time = clamp $time, 0.01, $TICK * .6;
		565
		566	my $sig = new Coro::Signal;
		567
		568	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		569	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		570	$SLOT_QUEUE->ready;
		571	$sig->wait;
271	}	572	}
272		573
273	=item cf::async { BLOCK }	574	=item cf::async { BLOCK }
274		575
275	Currently the same as Coro::async_pool, meaning you cannot use	576	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		581
281	BEGIN { *async = \&Coro::async_pool }	582	BEGIN { *async = \&Coro::async_pool }
282		583
283	=item cf::sync_job { BLOCK }	584	=item cf::sync_job { BLOCK }
284		585
285	The design of crossfire+ requires that the main coro ($Coro::main) is	586	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	587	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	588	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		589	acceptable.
288		590
289	If it must be done, put the blocking parts into C<sync_job>. This will run	591	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	592	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	593	server will be frozen during this time, so the block should either finish
292	fast or be very important.	594	fast or be very important.
…		…
294	=cut	596	=cut
295		597
296	sub sync_job(&) {	598	sub sync_job(&) {
297	my ($job) = @_;	599	my ($job) = @_;
298		600
299	if ($Coro::current == $Coro::main) {	601	if (in_main) {
		602	my $time = AE::time;
		603
300	# this is the main coro, too bad, we have to block	604	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	605	# till the operation succeeds, freezing the server :/
302		606
303	# TODO: use suspend/resume instead	607	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	608
305	my $freeze_guard = freeze_mainloop;	609	my $freeze_guard = freeze_mainloop;
306		610
307	my $busy = 1;	611	my $busy = 1;
308	my @res;	612	my @res;
309		613
310	(async {	614	(async {
		615	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	616	@res = eval { $job->() };
312	warn $@ if $@;	617	error $@ if $@;
313	undef $busy;	618	undef $busy;
314	})->prio (Coro::PRIO_MAX);	619	})->prio (Coro::PRIO_MAX);
315		620
316	while ($busy) {	621	while ($busy) {
317	Coro::cede or Event::one_event;	622	if (Coro::nready) {
		623	Coro::cede_notself;
		624	} else {
		625	EV::loop EV::LOOP_ONESHOT;
318	}	626	}
		627	}
		628
		629	my $time = AE::time - $time;
		630
		631	$TICK_START += $time; # do not account sync jobs to server load
319		632
320	wantarray ? @res : $res[0]	633	wantarray ? @res : $res[0]
321	} else {	634	} else {
322	# we are in another coroutine, how wonderful, everything just works	635	# we are in another coroutine, how wonderful, everything just works
323		636
…		…
343	$EXT_CORO{$coro+0} = $coro;	656	$EXT_CORO{$coro+0} = $coro;
344		657
345	$coro	658	$coro
346	}	659	}
347		660
348	sub write_runtime {	661	=item fork_call { }, @args
349	my $runtime = cf::localdir . "/runtime";
350		662
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	663	Executes the given code block with the given arguments in a seperate
352	or return;	664	process, returning the results. Everything must be serialisable with
		665	Coro::Storable. May, of course, block. Note that the executed sub may
		666	never block itself or use any form of event handling.
353		667
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	668	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		669
358	aio_fsync $fh	670	sub post_fork {
359	and return;	671	reset_signals;
		672	}
360		673
361	close $fh	674	sub fork_call(&@) {
362	or return;	675	my ($cb, @args) = @_;
363		676
364	aio_rename "$runtime~", $runtime	677	# we seemingly have to make a local copy of the whole thing,
365	and return;	678	# otherwise perl prematurely frees the stuff :/
		679	# TODO: investigate and fix (likely this will be rather laborious)
366		680
		681	my @res = Coro::Util::fork_eval {
		682	cf::post_fork;
		683	&$cb
		684	} @args;
		685
		686	wantarray ? @res : $res[-1]
		687	}
		688
		689	sub objinfo {
367	1	690	(
		691	"counter value" => cf::object::object_count,
		692	"objects created" => cf::object::create_count,
		693	"objects destroyed" => cf::object::destroy_count,
		694	"freelist size" => cf::object::free_count,
		695	"allocated objects" => cf::object::objects_size,
		696	"active objects" => cf::object::actives_size,
		697	)
		698	}
		699
		700	=item $coin = coin_from_name $name
		701
		702	=cut
		703
		704	our %coin_alias = (
		705	"silver" => "silvercoin",
		706	"silvercoin" => "silvercoin",
		707	"silvercoins" => "silvercoin",
		708	"gold" => "goldcoin",
		709	"goldcoin" => "goldcoin",
		710	"goldcoins" => "goldcoin",
		711	"platinum" => "platinacoin",
		712	"platinumcoin" => "platinacoin",
		713	"platinumcoins" => "platinacoin",
		714	"platina" => "platinacoin",
		715	"platinacoin" => "platinacoin",
		716	"platinacoins" => "platinacoin",
		717	"royalty" => "royalty",
		718	"royalties" => "royalty",
		719	);
		720
		721	sub coin_from_name($) {
		722	$coin_alias{$_[0]}
		723	? cf::arch::find $coin_alias{$_[0]}
		724	: undef
		725	}
		726
		727	=item $value = cf::db_get $family => $key
		728
		729	Returns a single value from the environment database.
		730
		731	=item cf::db_put $family => $key => $value
		732
		733	Stores the given C<$value> in the family. It can currently store binary
		734	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		735
		736	=item $db = cf::db_table "name"
		737
		738	Create and/or open a new database table. The string must not be "db" and must be unique
		739	within each server.
		740
		741	=cut
		742
		743	sub db_table($) {
		744	cf::error "db_get called from main context"
		745	if $Coro::current == $Coro::main;
		746
		747	my ($name) = @_;
		748	my $db = BDB::db_create $DB_ENV;
		749
		750	eval {
		751	$db->set_flags (BDB::CHKSUM);
		752
		753	utf8::encode $name;
		754	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		755	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		756	cf::cleanup "db_open(db): $!" if $!;
		757	};
		758	cf::cleanup "db_open(db): $@" if $@;
		759
		760	$db
		761	}
		762
		763	our $DB;
		764
		765	sub db_init {
		766	$DB ||= db_table "db";
		767	}
		768
		769	sub db_get($$) {
		770	my $key = "$_[0]/$_[1]";
		771
		772	cf::error "db_get called from main context"
		773	if $Coro::current == $Coro::main;
		774
		775	BDB::db_get $DB, undef, $key, my $data;
		776
		777	$! ? ()
		778	: $data
		779	}
		780
		781	sub db_put($$$) {
		782	BDB::dbreq_pri 4;
		783	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		784	}
		785
		786	=item cf::cache $id => [$paths...], $processversion => $process
		787
		788	Generic caching function that returns the value of the resource $id,
		789	caching and regenerating as required.
		790
		791	This function can block.
		792
		793	=cut
		794
		795	sub cache {
		796	my ($id, $src, $processversion, $process) = @_;
		797
		798	my $meta =
		799	join "\x00",
		800	$processversion,
		801	map {
		802	aio_stat $_
		803	and Carp::croak "$_: $!";
		804
		805	($_, (stat _)[7,9])
		806	} @$src;
		807
		808	my $dbmeta = db_get cache => "$id/meta";
		809	if ($dbmeta ne $meta) {
		810	# changed, we may need to process
		811
		812	my @data;
		813	my $md5;
		814
		815	for (0 .. $#$src) {
		816	$data[$_] = load_file $src->[$_];
		817	}
		818
		819	# if processing is expensive, check
		820	# checksum first
		821	if (1) {
		822	$md5 =
		823	join "\x00",
		824	$processversion,
		825	map {
		826	cf::cede_to_tick;
		827	($src->[$_], Digest::MD5::md5_hex $data[$_])
		828	} 0.. $#$src;
		829
		830
		831	my $dbmd5 = db_get cache => "$id/md5";
		832	if ($dbmd5 eq $md5) {
		833	db_put cache => "$id/meta", $meta;
		834
		835	return db_get cache => "$id/data";
		836	}
		837	}
		838
		839	my $t1 = Time::HiRes::time;
		840	my $data = $process->(\@data);
		841	my $t2 = Time::HiRes::time;
		842
		843	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		844
		845	db_put cache => "$id/data", $data;
		846	db_put cache => "$id/md5" , $md5;
		847	db_put cache => "$id/meta", $meta;
		848
		849	return $data;
		850	}
		851
		852	db_get cache => "$id/data"
		853	}
		854
		855	=item cf::datalog type => key => value, ...
		856
		857	Log a datalog packet of the given type with the given key-value pairs.
		858
		859	=cut
		860
		861	sub datalog($@) {
		862	my ($type, %kv) = @_;
		863	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	864	}
369		865
370	=back	866	=back
371		867
372	=cut	868	=cut
373		869
374	#############################################################################	870	#############################################################################
375		871
376	=head2 ATTACHABLE OBJECTS	872	=head2 ATTACHABLE OBJECTS
377		873
378	Many objects in crossfire are so-called attachable objects. That means you can	874	Many objects in deliantra are so-called attachable objects. That means you can
379	attach callbacks/event handlers (a collection of which is called an "attachment")	875	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	876	to it. All such attachable objects support the following methods.
381		877
382	In the following description, CLASS can be any of C<global>, C<object>	878	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	879	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	880	Deliantra).
385		881
386	=over 4	882	=over 4
387		883
388	=item $attachable->attach ($attachment, key => $value...)	884	=item $attachable->attach ($attachment, key => $value...)
389		885
…		…
433	=item cf::CLASS::attachment $name, ...	929	=item cf::CLASS::attachment $name, ...
434		930
435	Register an attachment by C<$name> through which attachable objects of the	931	Register an attachment by C<$name> through which attachable objects of the
436	given CLASS can refer to this attachment.	932	given CLASS can refer to this attachment.
437		933
438	Some classes such as crossfire maps and objects can specify attachments	934	Some classes such as deliantra maps and objects can specify attachments
439	that are attached at load/instantiate time, thus the need for a name.	935	that are attached at load/instantiate time, thus the need for a name.
440		936
441	These calls expect any number of the following handler/hook descriptions:	937	These calls expect any number of the following handler/hook descriptions:
442		938
443	=over 4	939	=over 4
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	1048	$registry = $CB_TYPE[$object_type] ||= [];
553		1049
554	} elsif ($type eq "subtype") {	1050	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	1051	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	1052	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1053	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		1054
559	} elsif ($type eq "package") {	1055	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	1056	my $pkg = shift @arg;
561		1057
562	while (my ($name, $id) = each %cb_id) {	1058	while (my ($name, $id) = each %cb_id) {
…		…
567		1063
568	} elsif (exists $cb_id{$type}) {	1064	} elsif (exists $cb_id{$type}) {
569	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1065	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
570		1066
571	} elsif (ref $type) {	1067	} elsif (ref $type) {
572	warn "attaching objects not supported, ignoring.\n";	1068	error "attaching objects not supported, ignoring.\n";
573		1069
574	} else {	1070	} else {
575	shift @arg;	1071	shift @arg;
576	warn "attach argument '$type' not supported, ignoring.\n";	1072	error "attach argument '$type' not supported, ignoring.\n";
577	}	1073	}
578	}	1074	}
579	}	1075	}
580		1076
581	sub _object_attach {	1077	sub _object_attach {
…		…
591	_attach $registry, $klass, @attach;	1087	_attach $registry, $klass, @attach;
592	}	1088	}
593		1089
594	$obj->{$name} = \%arg;	1090	$obj->{$name} = \%arg;
595	} else {	1091	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	1092	info "object uses attachment '$name' which is not available, postponing.\n";
597	}	1093	}
598		1094
599	$obj->{_attachment}{$name} = undef;	1095	$obj->{_attachment}{$name} = undef;
600	}	1096	}
601		1097
…		…
603	if (ref $_[0]) {	1099	if (ref $_[0]) {
604	_object_attach @_;	1100	_object_attach @_;
605	} else {	1101	} else {
606	_attach shift->_attach_registry, @_;	1102	_attach shift->_attach_registry, @_;
607	}	1103	}
		1104	_recalc_want;
608	};	1105	};
609		1106
610	# all those should be optimised	1107	# all those should be optimised
611	sub cf::attachable::detach {	1108	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	1109	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	1112	delete $obj->{_attachment}{$name};
616	reattach ($obj);	1113	reattach ($obj);
617	} else {	1114	} else {
618	Carp::croak "cannot, currently, detach class attachments";	1115	Carp::croak "cannot, currently, detach class attachments";
619	}	1116	}
		1117	_recalc_want;
620	};	1118	};
621		1119
622	sub cf::attachable::attached {	1120	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	1121	my ($obj, $name) = @_;
624		1122
…		…
639	";	1137	";
640	die if $@;	1138	die if $@;
641	}	1139	}
642		1140
643	our $override;	1141	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1142	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1143
646	sub override {	1144	sub override {
647	$override = 1;	1145	$override = 1;
648	@invoke_results = ();	1146	@INVOKE_RESULTS = (@_);
649	}	1147	}
650		1148
651	sub do_invoke {	1149	sub do_invoke {
652	my $event = shift;	1150	my $event = shift;
653	my $callbacks = shift;	1151	my $callbacks = shift;
654		1152
655	@invoke_results = ();	1153	@INVOKE_RESULTS = ();
656		1154
657	local $override;	1155	local $override;
658		1156
659	for (@$callbacks) {	1157	for (@$callbacks) {
660	eval { &{$_->[1]} };	1158	eval { &{$_->[1]} };
661		1159
662	if ($@) {	1160	if ($@) {
663	warn "$@";
664	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1161	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
665	override;	1162	override;
666	}	1163	}
667		1164
668	return 1 if $override;	1165	return 1 if $override;
669	}	1166	}
670		1167
671	0	1168	0
672	}	1169	}
673		1170
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1171	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1172
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1173	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1174
678	Generate an object-specific event with the given arguments.	1175	Generate an object-specific event with the given arguments.
679		1176
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1177	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	1178	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1179	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1180
684	=back	1181	=back
685		1182
686	=cut	1183	=cut
687		1184
688	#############################################################################	1185	#############################################################################
689	# object support	1186	# object support
		1187
		1188	sub _object_equal($$);
		1189	sub _object_equal($$) {
		1190	my ($a, $b) = @_;
		1191
		1192	return 0 unless (ref $a) eq (ref $b);
		1193
		1194	if ("HASH" eq ref $a) {
		1195	my @ka = keys %$a;
		1196	my @kb = keys %$b;
		1197
		1198	return 0 if @ka != @kb;
		1199
		1200	for (0 .. $#ka) {
		1201	return 0 unless $ka[$_] eq $kb[$_];
		1202	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1203	}
		1204
		1205	} elsif ("ARRAY" eq ref $a) {
		1206
		1207	return 0 if @$a != @$b;
		1208
		1209	for (0 .. $#$a) {
		1210	return 0 unless _object_equal $a->[$_], $b->[$_];
		1211	}
		1212
		1213	} elsif ($a ne $b) {
		1214	return 0;
		1215	}
		1216
		1217	1
		1218	}
		1219
		1220	our $SLOW_MERGES;#d#
		1221	sub _can_merge {
		1222	my ($ob1, $ob2) = @_;
		1223
		1224	++$SLOW_MERGES;#d#
		1225
		1226	# we do the slow way here
		1227	return _object_equal $ob1, $ob2
		1228	}
690		1229
691	sub reattach {	1230	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1231	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1232	my ($obj) = @_;
694		1233
		1234	# no longer needed after getting rid of delete_package?
695	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1235	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696		1236
697	my $registry = $obj->registry;	1237	my $registry = $obj->registry;
698		1238
699	@$registry = ();	1239	@$registry = ();
700		1240
…		…
705	for (@$attach) {	1245	for (@$attach) {
706	my ($klass, @attach) = @$_;	1246	my ($klass, @attach) = @$_;
707	_attach $registry, $klass, @attach;	1247	_attach $registry, $klass, @attach;
708	}	1248	}
709	} else {	1249	} else {
710	warn "object uses attachment '$name' that is not available, postponing.\n";	1250	info "object uses attachment '$name' that is not available, postponing.\n";
711	}	1251	}
712	}	1252	}
713	}	1253	}
714		1254
715	cf::attachable->attach (	1255	cf::attachable->attach (
716	prio => -1000000,	1256	prio => -1000000,
717	on_instantiate => sub {	1257	on_instantiate => sub {
718	my ($obj, $data) = @_;	1258	my ($obj, $data) = @_;
719		1259
720	$data = from_json $data;	1260	$data = decode_json $data;
721		1261
722	for (@$data) {	1262	for (@$data) {
723	my ($name, $args) = @$_;	1263	my ($name, $args) = @$_;
724		1264
725	$obj->attach ($name, %{$args || {} });	1265	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1281	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1282	my ($filename, $rdata, $objs) = @_;
743		1283
744	sync_job {	1284	sync_job {
745	if (length $$rdata) {	1285	if (length $$rdata) {
		1286	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1287	trace sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1288	$decname, length $$rdata, scalar @$objs
		1289	if $VERBOSE_IO;
748		1290
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1291	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1292	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1293	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1294	if ($cf::USE_FSYNC) {
		1295	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
752	aio_fsync $fh;	1296	aio_fsync $fh;
		1297	}
753	close $fh;	1298	aio_close $fh;
754		1299
755	if (@$objs) {	1300	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1301	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1302	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1303	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1304	aio_write $fh, 0, (length $data), $data, 0;
		1305	if ($cf::USE_FSYNC) {
		1306	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
760	aio_fsync $fh;	1307	aio_fsync $fh;
		1308	}
761	close $fh;	1309	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1310	aio_rename "$filename.pst~", "$filename.pst";
763	}	1311	}
764	} else {	1312	} else {
765	aio_unlink "$filename.pst";	1313	aio_unlink "$filename.pst";
766	}	1314	}
767		1315
768	aio_rename "$filename~", $filename;	1316	aio_rename "$filename~", $filename;
		1317
		1318	$filename =~ s%/[^/]+$%%;
		1319	aio_pathsync $filename if $cf::USE_FSYNC;
769	} else {	1320	} else {
770	warn "FATAL: $filename~: $!\n";	1321	error "unable to save objects: $filename~: $!\n";
771	}	1322	}
772	} else {	1323	} else {
773	aio_unlink $filename;	1324	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1325	aio_unlink "$filename.pst";
775	}	1326	}
776	}	1327	};
777	}	1328	}
778		1329
779	sub object_freezer_as_string {	1330	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1331	my ($rdata, $objs) = @_;
781		1332
…		…
793	or return;	1344	or return;
794		1345
795	unless (aio_stat "$filename.pst") {	1346	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1347	(aio_load "$filename.pst", $av) >= 0
797	or return;	1348	or return;
		1349
798	$av = eval { (Storable::thaw $av)->{objs} };	1350	my $st = eval { Coro::Storable::thaw $av };
		1351	$av = $st->{objs};
799	}	1352	}
800		1353
		1354	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1355	trace sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1356	$decname, length $data, scalar @{$av || []}
		1357	if $VERBOSE_IO;
		1358
803	return ($data, $av);	1359	($data, $av)
804	}	1360	}
		1361
		1362	=head2 COMMAND CALLBACKS
		1363
		1364	=over 4
		1365
		1366	=cut
805		1367
806	#############################################################################	1368	#############################################################################
807	# command handling &c	1369	# command handling &c
808		1370
809	=item cf::register_command $name => \&callback($ob,$args);	1371	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1384	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1385	}
824		1386
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1387	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1388
827	Register a callbackf ro execution when the client sends an extcmd packet.	1389	Register a callback for execution when the client sends an (synchronous)
		1390	extcmd packet. Ext commands will be processed in the order they are
		1391	received by the server, like other user commands. The first argument is
		1392	the logged-in player. Ext commands can only be processed after a player
		1393	has logged in successfully.
828		1394
829	If the callback returns something, it is sent back as if reply was being	1395	If the callback returns something, it is sent back as if reply was being
830	called.	1396	called.
831		1397
		1398	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1399
		1400	Register a callback for execution when the client sends an (asynchronous)
		1401	exticmd packet. Exti commands are processed by the server as soon as they
		1402	are received, i.e. out of order w.r.t. other commands. The first argument
		1403	is a client socket. Exti commands can be received anytime, even before
		1404	log-in.
		1405
		1406	If the callback returns something, it is sent back as if reply was being
		1407	called.
		1408
832	=cut	1409	=cut
833		1410
834	sub register_extcmd {	1411	sub register_extcmd {
835	my ($name, $cb) = @_;	1412	my ($name, $cb) = @_;
836		1413
837	$EXTCMD{$name} = $cb;	1414	$EXTCMD{$name} = $cb;
838	}	1415	}
839		1416
		1417	sub register_exticmd {
		1418	my ($name, $cb) = @_;
		1419
		1420	$EXTICMD{$name} = $cb;
		1421	}
		1422
		1423	use File::Glob ();
		1424
840	cf::player->attach (	1425	cf::player->attach (
841	on_command => sub {	1426	on_unknown_command => sub {
842	my ($pl, $name, $params) = @_;	1427	my ($pl, $name, $params) = @_;
843		1428
844	my $cb = $COMMAND{$name}	1429	my $cb = $COMMAND{$name}
845	or return;	1430	or return;
846		1431
…		…
851	cf::override;	1436	cf::override;
852	},	1437	},
853	on_extcmd => sub {	1438	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1439	my ($pl, $buf) = @_;
855		1440
856	my $msg = eval { from_json $buf };	1441	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1442
858	if (ref $msg) {	1443	if (ref $msg) {
		1444	my ($type, $reply, @payload) =
		1445	"ARRAY" eq ref $msg
		1446	? @$msg
		1447	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1448
		1449	my @reply;
		1450
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1451	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1452	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1453	}
		1454
		1455	$pl->ext_reply ($reply, @reply)
		1456	if $reply;
		1457
864	} else {	1458	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1459	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1460	}
867		1461
868	cf::override;	1462	cf::override;
869	},	1463	},
870	);	1464	);
871		1465
		1466	# "readahead" all extensions
872	sub load_extension {	1467	sub cache_extensions {
873	my ($path) = @_;	1468	my $grp = IO::AIO::aio_group;
874		1469
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1470	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
876	my $base = $1;	1471	for (grep /\.ext$/, @{$_[0]}) {
877	my $pkg = $1;	1472	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}	1473	}
900	die $@;
901	}	1474	};
902		1475
903	push @EXTS, $pkg;	1476	$grp
904	}	1477	}
905		1478
906	sub load_extensions {	1479	sub load_extensions {
		1480	info "loading extensions...";
		1481
		1482	cf::sync_job {
		1483	my %todo;
		1484
907	for my $ext (<$LIBDIR/*.ext>) {	1485	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1486	next unless -r $path;
909	eval {	1487
910	load_extension $ext;	1488	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1489	my $base = $1;
		1490	my $pkg = $1;
		1491	$pkg =~ s/[^[:word:]]/_/g;
		1492	$pkg = "ext::$pkg";
		1493
		1494	open my $fh, "<:utf8", $path
		1495	or die "$path: $!";
		1496
		1497	my $source = do { local $/; <$fh> };
		1498
		1499	my %ext = (
		1500	path => $path,
		1501	base => $base,
		1502	pkg => $pkg,
		1503	);
		1504
		1505	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1506	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1507
		1508	$ext{source} =
		1509	"package $pkg; use common::sense;\n"
		1510	. "#line 1 \"$path\"\n{\n"
		1511	. $source
		1512	. "\n};\n1";
		1513
		1514	$todo{$base} = \%ext;
		1515	}
		1516
		1517	my $pass = 0;
		1518	my %done;
		1519	while (%todo) {
		1520	my $progress;
		1521
		1522	++$pass;
		1523
		1524	ext:
		1525	while (my ($k, $v) = each %todo) {
		1526	for (split /,\s*/, $v->{meta}{depends}) {
		1527	next ext
		1528	unless exists $done{$_};
		1529	}
		1530
		1531	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1532
		1533	my $active = eval $v->{source};
		1534
		1535	if (length $@) {
		1536	error "$v->{path}: $@\n";
		1537
		1538	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1539	if exists $v->{meta}{mandatory};
		1540
		1541	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1542	delete $todo{$k};
		1543	} else {
		1544	$done{$k} = delete $todo{$k};
		1545	push @EXTS, $v->{pkg};
		1546	$progress = 1;
		1547
		1548	info "$v->{base}: extension inactive.\n"
		1549	unless $active;
		1550	}
911	1	1551	}
912	} or warn "$ext not loaded: $@";	1552
		1553	unless ($progress) {
		1554	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1555
		1556	while (my ($k, $v) = each %todo) {
		1557	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559	}
		1560
		1561	last;
		1562	}
		1563	}
913	}	1564	};
914	}	1565	}
915		1566
916	#############################################################################	1567	#############################################################################
917		1568
		1569	=back
		1570
918	=head2 CORE EXTENSIONS	1571	=head2 CORE EXTENSIONS
919		1572
920	Functions and methods that extend core crossfire objects.	1573	Functions and methods that extend core deliantra objects.
921		1574
922	=cut	1575	=cut
923		1576
924	package cf::player;	1577	package cf::player;
925		1578
…		…
927		1580
928	=head3 cf::player	1581	=head3 cf::player
929		1582
930	=over 4	1583	=over 4
931		1584
		1585	=item cf::player::num_playing
		1586
		1587	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1588
		1589	=cut
		1590
		1591	sub num_playing {
		1592	scalar grep
		1593	$_->ob->map
		1594	&& !$_->hidden
		1595	&& !$_->ob->flag (cf::FLAG_WIZ),
		1596	cf::player::list
		1597	}
		1598
932	=item cf::player::find $login	1599	=item cf::player::find $login
933		1600
934	Returns the given player object, loading it if necessary (might block).	1601	Returns the given player object, loading it if necessary (might block).
935		1602
936	=cut	1603	=cut
937		1604
938	sub playerdir($) {	1605	sub playerdir($) {
939	cf::localdir	1606	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1607	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1608	}
945		1609
946	sub path($) {	1610	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1611	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1612
949	(playerdir $login) . "/$login.pl"	1613	(playerdir $login) . "/playerdata"
950	}	1614	}
951		1615
952	sub find_active($) {	1616	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1617	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1618	and $cf::PLAYER{$_[0]}->active
…		…
957		1621
958	sub exists($) {	1622	sub exists($) {
959	my ($login) = @_;	1623	my ($login) = @_;
960		1624
961	$cf::PLAYER{$login}	1625	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1626	or !aio_stat path $login
963	}	1627	}
964		1628
965	sub find($) {	1629	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1630	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1631	my $login = $_[0];
968		1632
969	my $guard = cf::lock_acquire "user_find:$login";	1633	my $guard = cf::lock_acquire "user_find:$login";
970		1634
971	$cf::PLAYER{$_[0]} || do {	1635	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1636	# rename old playerfiles to new ones
		1637	#TODO: remove when no longer required
		1638	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1639	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1640	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1641	aio_unlink +(playerdir $login) . "/$login.pl";
		1642
		1643	my $f = new_from_file cf::object::thawer path $login
973	or return;	1644	or return;
		1645
		1646	my $pl = cf::player::load_pl $f
		1647	or return;
		1648
		1649	local $cf::PLAYER_LOADING{$login} = $pl;
		1650	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1651	$cf::PLAYER{$login} = $pl
975	}	1652	}
976	}	1653	}
977	}	1654	}
		1655
		1656	cf::player->attach (
		1657	on_load => sub {
		1658	my ($pl, $path) = @_;
		1659
		1660	# restore slots saved in save, below
		1661	my $slots = delete $pl->{_slots};
		1662
		1663	$pl->ob->current_weapon ($slots->[0]);
		1664	$pl->combat_ob ($slots->[1]);
		1665	$pl->ranged_ob ($slots->[2]);
		1666	},
		1667	);
978		1668
979	sub save($) {	1669	sub save($) {
980	my ($pl) = @_;	1670	my ($pl) = @_;
981		1671
982	return if $pl->{deny_save};	1672	return if $pl->{deny_save};
…		…
987	return if $pl->{deny_save};	1677	return if $pl->{deny_save};
988		1678
989	aio_mkdir playerdir $pl, 0770;	1679	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1680	$pl->{last_save} = $cf::RUNTIME;
991		1681
		1682	cf::get_slot 0.01;
		1683
		1684	# save slots, to be restored later
		1685	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1686
992	$pl->save_pl ($path);	1687	$pl->save_pl ($path);
993	Coro::cede;	1688	cf::cede_to_tick;
994	}	1689	}
995		1690
996	sub new($) {	1691	sub new($) {
997	my ($login) = @_;	1692	my ($login) = @_;
998		1693
…		…
1004	$cf::PLAYER{$login} = $self;	1699	$cf::PLAYER{$login} = $self;
1005		1700
1006	$self	1701	$self
1007	}	1702	}
1008		1703
		1704	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1705
		1706	=cut
		1707
		1708	sub send_msg {
		1709	my $ns = shift->ns
		1710	or return;
		1711	$ns->send_msg (@_);
		1712	}
		1713
1009	=item $pl->quit_character	1714	=item $pl->quit_character
1010		1715
1011	Nukes the player without looking back. If logged in, the connection will	1716	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1717	be destroyed. May block for a long time.
1013		1718
1014	=cut	1719	=cut
1015		1720
1016	sub quit_character {	1721	sub quit_character {
1017	my ($pl) = @_;	1722	my ($pl) = @_;
1018		1723
		1724	my $name = $pl->ob->name;
		1725
1019	$pl->{deny_save} = 1;	1726	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1727	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1021		1728
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1729	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1023	$pl->deactivate;	1730	$pl->deactivate;
		1731
		1732	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1733	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1734	ext::highscore::check ($pl->ob);
		1735
1025	$pl->ns->destroy if $pl->ns;	1736	$pl->ns->destroy if $pl->ns;
1026		1737
1027	my $path = playerdir $pl;	1738	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1739	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1740	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1741	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1742	$pl->destroy;
		1743
		1744	my $prefix = qr<^~\Q$name\E/>;
		1745
		1746	# nuke player maps
		1747	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1748
1032	IO::AIO::aio_rmtree $temp;	1749	IO::AIO::aio_rmtree $temp;
		1750	}
		1751
		1752	=item $pl->kick
		1753
		1754	Kicks a player out of the game. This destroys the connection.
		1755
		1756	=cut
		1757
		1758	sub kick {
		1759	my ($pl, $kicker) = @_;
		1760
		1761	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1762	$pl->killer ("kicked");
		1763	$pl->ns->destroy;
1033	}	1764	}
1034		1765
1035	=item cf::player::list_logins	1766	=item cf::player::list_logins
1036		1767
1037	Returns am arrayref of all valid playernames in the system, can take a	1768	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1769	while and may block, so not sync_job-capable, ever.
1039		1770
1040	=cut	1771	=cut
1041		1772
1042	sub list_logins {	1773	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1774	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1775	or return [];
1045		1776
1046	my @logins;	1777	my @logins;
1047		1778
1048	for my $login (@$dirs) {	1779	for my $login (@$dirs) {
		1780	my $path = path $login;
		1781
		1782	# a .pst is a dead give-away for a valid player
		1783	# if no pst file found, open and chekc for blocked users
		1784	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1785	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1786	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1787	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1788	}
1052		1789
1053	utf8::decode $login;	1790	utf8::decode $login;
1054	push @logins, $login;	1791	push @logins, $login;
1055	}	1792	}
1056		1793
1057	\@logins	1794	\@logins
1058	}	1795	}
1059		1796
1060	=item $player->maps	1797	=item $player->maps
1061		1798
		1799	=item cf::player::maps $login
		1800
1062	Returns an arrayref of map paths that are private for this	1801	Returns an arrayref of map paths that are private for this
1063	player. May block.	1802	player. May block.
1064		1803
1065	=cut	1804	=cut
1066		1805
1067	sub maps($) {	1806	sub maps($) {
1068	my ($pl) = @_;	1807	my ($pl) = @_;
		1808
		1809	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1810
1070	my $files = aio_readdir playerdir $pl	1811	my $files = aio_readdir playerdir $pl
1071	or return;	1812	or return;
1072		1813
1073	my @paths;	1814	my @paths;
…		…
1075	for (@$files) {	1816	for (@$files) {
1076	utf8::decode $_;	1817	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1818	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1819	next unless /^$PATH_SEP/o;
1079		1820
1080	s/\.map$//;	1821	push @paths, cf::map::normalise "~$pl/$_", $pl->map;
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1822	}
1083		1823
1084	\@paths	1824	\@paths
1085	}	1825	}
1086		1826
		1827	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1828
		1829	Expand deliantra pod fragments into protocol xml.
		1830
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1831	=item $player->ext_reply ($msgid, @msg)
1088		1832
1089	Sends an ext reply to the player.	1833	Sends an ext reply to the player.
1090		1834
1091	=cut	1835	=cut
1092		1836
1093	sub ext_reply($$$%) {	1837	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1838	my ($self, $id, @msg) = @_;
1095		1839
1096	$msg{msgid} = $id;	1840	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1841	}
1100		1842
1101	package cf;	1843	=item $player->ext_msg ($type, @msg)
		1844
		1845	Sends an ext event to the client.
		1846
		1847	=cut
		1848
		1849	sub ext_msg($$@) {
		1850	my ($self, $type, @msg) = @_;
		1851
		1852	$self->ns->ext_msg ($type, @msg);
		1853	}
		1854
		1855	=head3 cf::region
		1856
		1857	=over 4
		1858
		1859	=cut
		1860
		1861	package cf::region;
		1862
		1863	=item cf::region::find_by_path $path
		1864
		1865	Tries to decuce the likely region for a map knowing only its path.
		1866
		1867	=cut
		1868
		1869	sub find_by_path($) {
		1870	my ($path) = @_;
		1871
		1872	$path =~ s/^~[^\/]*//; # skip ~login
		1873
		1874	my ($match, $specificity);
		1875
		1876	for my $region (list) {
		1877	if ($region->{match} && $path =~ $region->{match}) {
		1878	($match, $specificity) = ($region, $region->specificity)
		1879	if $region->specificity > $specificity;
		1880	}
		1881	}
		1882
		1883	$match
		1884	}
1102		1885
1103	=back	1886	=back
1104
1105		1887
1106	=head3 cf::map	1888	=head3 cf::map
1107		1889
1108	=over 4	1890	=over 4
1109		1891
…		…
1121	our $MAX_RESET = 3600;	1903	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1904	our $DEFAULT_RESET = 3000;
1123		1905
1124	sub generate_random_map {	1906	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1907	my ($self, $rmp) = @_;
1126	# mit "rum" bekleckern, nicht	1908
		1909	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1910
1127	$self->_create_random_map (	1911	$self->_create_random_map ($rmp);
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)
1140	}	1912	}
		1913
		1914	=item cf::map->register ($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
1141		1921
1142	sub register {	1922	sub register {
1143	my (undef, $regex) = @_;	1923	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1924	my $pkg = caller;
1145		1925
1146	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1926	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1927
1149	$EXT_MAP{$pkg} = qr<$regex>;	1928	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1929	}
1151		1930
1152	# also paths starting with '/'	1931	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1932	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1154		1933
1155	sub thawer_merge {	1934	sub thawer_merge {
1156	my ($self, $merge) = @_;	1935	my ($self, $merge) = @_;
1157		1936
1158	# we have to keep some variables in memory intact	1937	# we have to keep some variables in memory intact
1159	local $self->{path};	1938	local $self->{path};
1160	local $self->{load_path};	1939	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1940
1164	$self->SUPER::thawer_merge ($merge);	1941	$self->SUPER::thawer_merge ($merge);
1165	}	1942	}
1166		1943
1167	sub normalise {	1944	sub normalise {
1168	my ($path, $base) = @_;	1945	my ($path, $base) = @_;
		1946
		1947	$path = "$path"; # make sure it's a string
		1948
		1949	$path =~ s/\.map$//;
1169		1950
1170	# map plan:	1951	# map plan:
1171	#	1952	#
1172	# /! non-realised random map exit (special hack!)	1953	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1954	# {... are special paths that are not being touched
1174	# ?xxx/... are special absolute paths	1955	# ?xxx/... are special absolute paths
1175	# ?random/... random maps	1956	# ?random/... random maps
1176	# /... normal maps	1957	# /... normal maps
1177	# ~user/... per-player map of a specific user	1958	# ~user/... per-player map of a specific user
		1959	# !up !down for quad maps, or other maps with up/down layers
1178		1960
1179	$path =~ s/$PATH_SEP/\//go;	1961	$path =~ s/$PATH_SEP/\//go;
1180		1962
1181	# treat it as relative path if it starts with	1963	# treat it as relative path if it starts with
1182	# something that looks reasonable	1964	# something that looks reasonable
1183	if ($path =~ m{^(?:\./|\.\./|\w)}) {	1965	if ($path =~ m{^(?:\./|\.\./|\w)}) {
1184	$base or Carp::carp "normalise called with relative path and no base: '$path'";	1966	$base or Carp::carp "normalise called with relative path and no base: '$path'";
1185		1967
1186	$base =~ s{[^/]+/?$}{};	1968	$base =~ s{[^/]+/?$}{};
1187	$path = "$base/$path";	1969	$path = "$base/$path";
		1970
		1971	} elsif ($path eq '!up') {
		1972	$base && ref $base
		1973	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1974
		1975	my $uppth = $base->tile_path (cf::TILE_UP);
		1976	$path = $uppth if $uppth;
		1977
		1978	} elsif ($path eq '!down') {
		1979	$base && ref $base
		1980	or Carp::carp "normalise called with relative tile path and no base: '$path'";
		1981
		1982	my $dpth = $base->tile_path (cf::TILE_DOWN);
		1983	$path = $dpth if $dpth;
1188	}	1984	}
1189		1985
1190	for ($path) {	1986	for ($path) {
1191	redo if s{//}{/};
1192	redo if s{/\.?/}{/};	1987	redo if s{/\.?/}{/};
1193	redo if s{/[^/]+/\.\./}{/};	1988	redo if s{/[^/]+/\.\./}{/};
1194	}	1989	}
1195		1990
1196	$path	1991	$path
…		…
1201		1996
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1997	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1998
1204	$path = normalise $path, $base;	1999	$path = normalise $path, $base;
1205		2000
1206	for my $pkg (keys %EXT_MAP) {	2001	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	2002	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	2003	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	2004	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	2005	$self->init; # pass $1 etc.
1211	return $self;	2006	return $self;
1212	}	2007	}
1213	}	2008	}
1214		2009
1215	Carp::carp "unable to resolve path '$path'.";	2010	Carp::cluck "unable to resolve path '$path' (base '$base')";
1216	()	2011	()
1217	}	2012	}
1218		2013
		2014	# may re-bless or do other evil things
1219	sub init {	2015	sub init {
1220	my ($self) = @_;	2016	my ($self) = @_;
1221		2017
1222	$self	2018	$self
1223	}	2019	}
…		…
1235		2031
1236	# the original (read-only) location	2032	# the original (read-only) location
1237	sub load_path {	2033	sub load_path {
1238	my ($self) = @_;	2034	my ($self) = @_;
1239		2035
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	2036	"$MAPDIR/$self->{path}.map"
1241	}	2037	}
1242		2038
1243	# the temporary/swap location	2039	# the temporary/swap location
1244	sub save_path {	2040	sub save_path {
1245	my ($self) = @_;	2041	my ($self) = @_;
1246		2042
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2043	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	2044	"$TMPDIR/$path.map"
1249	}	2045	}
1250		2046
1251	# the unique path, undef == no special unique path	2047	# the unique path, undef == no special unique path
1252	sub uniq_path {	2048	sub uniq_path {
1253	my ($self) = @_;	2049	my ($self) = @_;
1254		2050
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2051	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2052	"$UNIQUEDIR/$path"
1257	}	2053	}
1258		2054
1259	# and all this just because we cannot iterate over	2055	sub decay_objects {
1260	# all maps in C++...
1261	sub change_all_map_light {
1262	my ($change) = @_;	2056	my ($self) = @_;
1263		2057
1264	$_->change_map_light ($change)	2058	return if $self->{deny_reset};
1265	for grep $_->outdoor, values %cf::MAP;	2059
		2060	$self->do_decay_objects;
1266	}	2061	}
1267		2062
1268	sub unlink_save {	2063	sub unlink_save {
1269	my ($self) = @_;	2064	my ($self) = @_;
1270		2065
…		…
1275		2070
1276	sub load_header_from($) {	2071	sub load_header_from($) {
1277	my ($self, $path) = @_;	2072	my ($self, $path) = @_;
1278		2073
1279	utf8::encode $path;	2074	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	2075	my $f = new_from_file cf::object::thawer $path
1281	or return;	2076	or return;
1282		2077
1283	$self->_load_header ($path)	2078	$self->_load_header ($f)
1284	or return;	2079	or return;
1285		2080
		2081	local $MAP_LOADING{$self->{path}} = $self;
		2082	$f->resolve_delayed_derefs;
		2083
1286	$self->{load_path} = $path;	2084	$self->{load_path} = $path;
1287		2085
1288	1	2086	1
1289	}	2087	}
1290		2088
1291	sub load_orig {	2089	sub load_header_orig {
1292	my ($self) = @_;	2090	my ($self) = @_;
1293		2091
1294	$self->load_header_from ($self->load_path)	2092	$self->load_header_from ($self->load_path)
1295	}	2093	}
1296		2094
1297	sub load_temp {	2095	sub load_header_temp {
1298	my ($self) = @_;	2096	my ($self) = @_;
1299		2097
1300	$self->load_header_from ($self->save_path)	2098	$self->load_header_from ($self->save_path)
		2099	}
		2100
		2101	sub prepare_temp {
		2102	my ($self) = @_;
		2103
		2104	$self->last_access ((delete $self->{last_access})
		2105	|| $cf::RUNTIME); #d#
		2106	# safety
		2107	$self->{instantiate_time} = $cf::RUNTIME
		2108	if $self->{instantiate_time} > $cf::RUNTIME;
		2109	}
		2110
		2111	sub prepare_orig {
		2112	my ($self) = @_;
		2113
		2114	$self->{load_original} = 1;
		2115	$self->{instantiate_time} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117	$self->instantiate;
1301	}	2118	}
1302		2119
1303	sub load_header {	2120	sub load_header {
1304	my ($self) = @_;	2121	my ($self) = @_;
1305		2122
1306	if ($self->load_temp) {	2123	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2124	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2125	} else {
1313	$self->load_orig	2126	$self->load_header_orig
1314	or return;	2127	or return;
1315		2128	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2129	}
		2130
		2131	$self->{deny_reset} = 1
		2132	if $self->no_reset;
		2133
		2134	$self->default_region (cf::region::find_by_path $self->{path})
		2135	unless $self->default_region;
1321		2136
1322	1	2137	1
1323	}	2138	}
1324		2139
1325	sub find;	2140	sub find;
1326	sub find {	2141	sub find {
1327	my ($path, $origin) = @_;	2142	my ($path, $origin) = @_;
1328		2143
		2144	cf::cede_to_tick;
		2145
1329	$path = normalise $path, $origin && $origin->path;	2146	$path = normalise $path, $origin;
1330		2147
		2148	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2149	my $guard2 = cf::lock_acquire "map_find:$path";
1332		2150
1333	$cf::MAP{$path} || do {	2151	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";
1335	my $map = new_from_path cf::map $path	2152	my $map = new_from_path cf::map $path
1336	or return;	2153	or return;
1337		2154
1338	$map->{last_save} = $cf::RUNTIME;	2155	$map->{last_save} = $cf::RUNTIME;
1339		2156
1340	$map->load_header	2157	$map->load_header
1341	or return;	2158	or return;
1342		2159
1343	if ($map->should_reset) {	2160	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2161	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2162	#$cf::WAIT_FOR_TICK->wait;
		2163	undef $guard2;
		2164	undef $guard1;
1345	$map->reset;	2165	$map->reset;
1346	undef $guard;
1347	$map = find $path	2166	return find $path;
1348	or return;
1349	}	2167	}
1350		2168
1351	$cf::MAP{$path} = $map	2169	$cf::MAP{$path} = $map
1352	}	2170	}
1353	}	2171	}
		2172
		2173	sub pre_load { }
		2174	#sub post_load { } # XS
1354		2175
1355	sub load {	2176	sub load {
1356	my ($self) = @_;	2177	my ($self) = @_;
1357		2178
		2179	local $self->{deny_reset} = 1; # loading can take a long time
		2180
1358	my $path = $self->{path};	2181	my $path = $self->{path};
		2182
		2183	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2184	my $guard = cf::lock_acquire "map_data:$path";
1360		2185
		2186	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2187	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2188
1363	$self->in_memory (cf::MAP_LOADING);	2189	$self->in_memory (cf::MAP_LOADING);
1364		2190
1365	$self->alloc;	2191	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2192
		2193	$self->pre_load;
		2194	cf::cede_to_tick;
		2195
		2196	if (exists $self->{load_path}) {
		2197	my $f = new_from_file cf::object::thawer $self->{load_path};
		2198	$f->skip_block;
		2199	$self->_load_objects ($f)
1367	or return;	2200	or return;
1368		2201
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2202	$self->post_load_original
1370	if delete $self->{load_original};	2203	if delete $self->{load_original};
1371		2204
1372	if (my $uniq = $self->uniq_path) {	2205	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2206	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2207	unless (aio_stat $uniq) {
		2208	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2209	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2210	$self->_load_objects ($f);
		2211	$f->resolve_delayed_derefs;
		2212	}
		2213	}
1377	}	2214	}
1378	}
1379		2215
1380	Coro::cede;	2216	$f->resolve_delayed_derefs;
		2217	}
1381		2218
		2219	cf::cede_to_tick;
1382	# now do the right thing for maps	2220	# now do the right thing for maps
1383	$self->link_multipart_objects;	2221	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2222	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2223	unless $self->difficulty;
1393	Coro::cede;	2224	cf::cede_to_tick;
		2225
		2226	unless ($self->{deny_activate}) {
		2227	$self->decay_objects;
		2228	$self->fix_auto_apply;
		2229	$self->update_buttons;
		2230	cf::cede_to_tick;
1394	$self->activate;	2231	$self->activate;
1395	}	2232	}
1396		2233
		2234	$self->{last_save} = $cf::RUNTIME;
		2235	$self->last_access ($cf::RUNTIME);
		2236
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2237	$self->in_memory (cf::MAP_ACTIVE);
1398	}	2238	}
1399		2239
		2240	$self->post_load;
		2241
		2242	1
		2243	}
		2244
		2245	# customize the map for a given player, i.e.
		2246	# return the _real_ map. used by e.g. per-player
		2247	# maps to change the path to ~playername/mappath
1400	sub customise_for {	2248	sub customise_for {
1401	my ($self, $ob) = @_;	2249	my ($self, $ob) = @_;
1402		2250
1403	return find "~" . $ob->name . "/" . $self->{path}	2251	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2252	if $self->per_player;
1405		2253
		2254	# return find "?party/" . $ob->name . "/" . $self->{path}
		2255	# if $self->per_party;
		2256
1406	$self	2257	$self
1407	}	2258	}
1408		2259
1409	# find and load all maps in the 3x3 area around a map	2260	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2261	sub load_neighbours {
1411	my ($map) = @_;	2262	my ($map) = @_;
1412		2263
1413	my @diag; # diagonal neighbours	2264	my @neigh; # diagonal neighbours
1414		2265
1415	for (0 .. 3) {	2266	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2267	my $neigh = $map->tile_path ($_)
1417	or next;	2268	or next;
1418	$neigh = find $neigh, $map	2269	$neigh = find $neigh, $map
1419	or next;	2270	or next;
1420	$neigh->load;	2271	$neigh->load;
1421		2272
		2273	# now find the diagonal neighbours
		2274	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2275	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2276	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2277	}
1425		2278
1426	for (@diag) {	2279	for (grep defined $_->[0], @neigh) {
		2280	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2281	my $neigh = find $path, $origin
1428	or next;	2282	or next;
1429	$neigh->load;	2283	$neigh->load;
1430	}	2284	}
1431	}	2285	}
1432		2286
1433	sub find_sync {	2287	sub find_sync {
1434	my ($path, $origin) = @_;	2288	my ($path, $origin) = @_;
1435		2289
1436	cf::sync_job { find $path, $origin }	2290	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2291	if $Coro::current == $Coro::main;
		2292
		2293	find $path, $origin
1437	}	2294	}
1438		2295
1439	sub do_load_sync {	2296	sub do_load_sync {
1440	my ($map) = @_;	2297	my ($map) = @_;
1441		2298
1442	cf::sync_job { $map->load };	2299	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2300	if $Coro::current == $Coro::main;
		2301
		2302	$map->load;
1443	}	2303	}
1444		2304
1445	our %MAP_PREFETCH;	2305	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2306	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2307
1459	sub find_async {	2308	sub find_async {
1460	my ($path, $origin) = @_;	2309	my ($path, $origin, $load) = @_;
1461		2310
1462	$path = normalise $path, $origin && $origin->{path};	2311	$path = normalise $path, $origin;
1463		2312
1464	if (my $map = $cf::MAP{$path}) {	2313	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2314	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2315	}
		2316
		2317	$MAP_PREFETCH{$path} |= $load;
		2318
		2319	$MAP_PREFETCHER ||= cf::async {
		2320	$Coro::current->{desc} = "map prefetcher";
		2321
		2322	while (%MAP_PREFETCH) {
		2323	while (my ($k, $v) = each %MAP_PREFETCH) {
		2324	if (my $map = find $k) {
		2325	$map->load if $v;
		2326	}
		2327
		2328	delete $MAP_PREFETCH{$k};
		2329	}
		2330	}
		2331	undef $MAP_PREFETCHER;
1466	}	2332	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2333	$MAP_PREFETCHER->prio (6);
1470		2334
1471	()	2335	()
1472	}	2336	}
1473		2337
		2338	# common code, used by both ->save and ->swapout
1474	sub save {	2339	sub _save {
1475	my ($self) = @_;	2340	my ($self) = @_;
1476
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;
1478		2341
1479	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1480		2343
1481	return unless $self->dirty;	2344	return unless $self->dirty;
1482		2345
…		…
1488	return if $self->{deny_save};	2351	return if $self->{deny_save};
1489		2352
1490	local $self->{last_access} = $self->last_access;#d#	2353	local $self->{last_access} = $self->last_access;#d#
1491		2354
1492	cf::async {	2355	cf::async {
		2356	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2357	$_->contr->save for $self->players;
1494	};	2358	};
		2359
		2360	cf::get_slot 0.02;
1495		2361
1496	if ($uniq) {	2362	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2363	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2364	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2365	} else {
1500	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2366	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1501	}	2367	}
1502	}	2368	}
1503		2369
		2370	sub save {
		2371	my ($self) = @_;
		2372
		2373	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2374
		2375	$self->_save;
		2376	}
		2377
1504	sub swap_out {	2378	sub swap_out {
1505	my ($self) = @_;	2379	my ($self) = @_;
1506		2380
1507	# save first because save cedes
1508	$self->save;
1509
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2381	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2382
		2383	return if $self->in_memory != cf::MAP_ACTIVE;
		2384	return if $self->{deny_save};
1512	return if $self->players;	2385	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};
1515		2386
		2387	# first deactivate the map and "unlink" it from the core
		2388	$self->deactivate;
		2389	$_->clear_links_to ($self) for values %cf::MAP;
		2390	$self->in_memory (cf::MAP_SWAPPED);
		2391
		2392	# then atomically save
		2393	$self->_save;
		2394
		2395	# then free the map
1516	$self->clear;	2396	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2397	}
1519		2398
1520	sub reset_at {	2399	sub reset_at {
1521	my ($self) = @_;	2400	my ($self) = @_;
1522		2401
1523	# TODO: safety, remove and allow resettable per-player maps	2402	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2403	return 1e99 if $self->{deny_reset};
1526		2404
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2405	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2406	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2407
…		…
1540	my ($self) = @_;	2418	my ($self) = @_;
1541		2419
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2420	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2421
1544	return if $self->players;	2422	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2423
1547	warn "resetting map ", $self->path;#d#	2424	cf::trace "resetting map ", $self->path, "\n";
		2425
		2426	$self->in_memory (cf::MAP_SWAPPED);
		2427
		2428	# need to save uniques path
		2429	unless ($self->{deny_save}) {
		2430	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2431
		2432	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2433	if $uniq;
		2434	}
1548		2435
1549	delete $cf::MAP{$self->path};	2436	delete $cf::MAP{$self->path};
1550		2437
1551	$self->in_memory (cf::MAP_SWAPPED);	2438	$self->deactivate;
		2439	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2440	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2441
1556	$self->unlink_save;	2442	$self->unlink_save;
1557	$self->destroy;	2443	$self->destroy;
1558	}	2444	}
1559		2445
1560	my $nuke_counter = "aaaa";	2446	my $nuke_counter = "aaaa";
1561		2447
1562	sub nuke {	2448	sub nuke {
1563	my ($self) = @_;	2449	my ($self) = @_;
1564		2450
		2451	{
		2452	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2453
1565	delete $cf::MAP{$self->path};	2454	delete $cf::MAP{$self->path};
1566		2455
1567	$self->unlink_save;	2456	$self->unlink_save;
1568		2457
1569	bless $self, "cf::map";	2458	bless $self, "cf::map::wrap";
1570	delete $self->{deny_reset};	2459	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2460	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2461	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2462	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2463
1575	$cf::MAP{$self->path} = $self;	2464	$cf::MAP{$self->path} = $self;
		2465	}
1576		2466
1577	$self->reset; # polite request, might not happen	2467	$self->reset; # polite request, might not happen
		2468	}
		2469
		2470	=item $maps = cf::map::tmp_maps
		2471
		2472	Returns an arrayref with all map paths of currently instantiated and saved
		2473	maps. May block.
		2474
		2475	=cut
		2476
		2477	sub tmp_maps() {
		2478	[
		2479	map {
		2480	utf8::decode $_;
		2481	/\.map$/
		2482	? normalise $_
		2483	: ()
		2484	} @{ aio_readdir $TMPDIR or [] }
		2485	]
		2486	}
		2487
		2488	=item $maps = cf::map::random_maps
		2489
		2490	Returns an arrayref with all map paths of currently instantiated and saved
		2491	random maps. May block.
		2492
		2493	=cut
		2494
		2495	sub random_maps() {
		2496	[
		2497	map {
		2498	utf8::decode $_;
		2499	/\.map$/
		2500	? normalise "?random/$_"
		2501	: ()
		2502	} @{ aio_readdir $RANDOMDIR or [] }
		2503	]
1578	}	2504	}
1579		2505
1580	=item cf::map::unique_maps	2506	=item cf::map::unique_maps
1581		2507
1582	Returns an arrayref of paths of all shared maps that have	2508	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2509	instantiated unique items. May block.
1584		2510
1585	=cut	2511	=cut
1586		2512
1587	sub unique_maps() {	2513	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2514	[
1589	or return;	2515	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2516	utf8::decode $_;
1595	next if /\.pst$/;	2517	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2518	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2519	? ()
		2520	: normalise $_
		2521	} @{ aio_readdir $UNIQUEDIR or [] }
		2522	]
		2523	}
1597		2524
		2525	=item cf::map::static_maps
		2526
		2527	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2528	file in the shared directory excluding F</styles> and F</editor>). May
		2529	block.
		2530
		2531	=cut
		2532
		2533	sub static_maps() {
		2534	my @dirs = "";
		2535	my @maps;
		2536
		2537	while (@dirs) {
		2538	my $dir = shift @dirs;
		2539
		2540	next if $dir eq "/styles" || $dir eq "/editor";
		2541
		2542	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2543	or return;
		2544
		2545	for (@$files) {
1598	s/\.map$//;	2546	s/\.map$// or next;
1599	push @paths, $_;	2547	utf8::decode $_;
1600	}	2548	push @maps, "$dir/$_";
		2549	}
1601		2550
1602	\@paths	2551	push @dirs, map "$dir/$_", @$dirs;
1603	}	2552	}
1604		2553
1605	package cf;	2554	\@maps
		2555	}
1606		2556
1607	=back	2557	=back
1608		2558
1609	=head3 cf::object	2559	=head3 cf::object
1610		2560
…		…
1614		2564
1615	=over 4	2565	=over 4
1616		2566
1617	=item $ob->inv_recursive	2567	=item $ob->inv_recursive
1618		2568
1619	Returns the inventory of the object _and_ their inventories, recursively.	2569	Returns the inventory of the object I<and> their inventories, recursively,
		2570	but I<not> the object itself.
1620		2571
1621	=cut	2572	=cut
1622		2573
1623	sub inv_recursive_;	2574	sub inv_recursive_;
1624	sub inv_recursive_ {	2575	sub inv_recursive_ {
…		…
1627		2578
1628	sub inv_recursive {	2579	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2580	inv_recursive_ inv $_[0]
1630	}	2581	}
1631		2582
		2583	=item $ref = $ob->ref
		2584
		2585	Creates and returns a persistent reference to an object that can be stored as a string.
		2586
		2587	=item $ob = cf::object::deref ($refstring)
		2588
		2589	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2590	even if the object actually exists. May block.
		2591
		2592	=cut
		2593
		2594	sub deref {
		2595	my ($ref) = @_;
		2596
		2597	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2598	my ($uuid, $name) = ($1, $2);
		2599	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2600	or return;
		2601	$pl->ob->uuid eq $uuid
		2602	or return;
		2603
		2604	$pl->ob
		2605	} else {
		2606	warn "$ref: cannot resolve object reference\n";
		2607	undef
		2608	}
		2609	}
		2610
1632	package cf;	2611	package cf;
1633		2612
1634	=back	2613	=back
1635		2614
1636	=head3 cf::object::player	2615	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2621	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2622	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2623	dialogue with the given NPC character.
1645		2624
1646	=cut	2625	=cut
		2626
		2627	our $SAY_CHANNEL = {
		2628	id => "say",
		2629	title => "Map",
		2630	reply => "say ",
		2631	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2632	};
		2633
		2634	our $CHAT_CHANNEL = {
		2635	id => "chat",
		2636	title => "Chat",
		2637	reply => "chat ",
		2638	tooltip => "Player chat and shouts, global to the server.",
		2639	};
1647		2640
1648	# rough implementation of a future "reply" method that works	2641	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2642	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2643	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2644	sub cf::object::player::reply($$$;$) {
…		…
1653		2646
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2647	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2648
1656	if ($self->{record_replies}) {	2649	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2650	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2651
1658	} else {	2652	} else {
		2653	my $pl = $self->contr;
		2654
		2655	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2656	my $dialog = $pl->{npc_dialog};
		2657	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2658
		2659	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2660	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2661	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2662	}
1661	}	2663	}
		2664	}
		2665
		2666	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2667
		2668	=cut
		2669
		2670	sub cf::object::send_msg {
		2671	my $pl = shift->contr
		2672	or return;
		2673	$pl->send_msg (@_);
1662	}	2674	}
1663		2675
1664	=item $player_object->may ("access")	2676	=item $player_object->may ("access")
1665		2677
1666	Returns wether the given player is authorized to access resource "access"	2678	Returns wether the given player is authorized to access resource "access"
…		…
1679		2691
1680	=item $player_object->enter_link	2692	=item $player_object->enter_link
1681		2693
1682	Freezes the player and moves him/her to a special map (C<{link}>).	2694	Freezes the player and moves him/her to a special map (C<{link}>).
1683		2695
1684	The player should be reasonably safe there for short amounts of time. You	2696	The player should be reasonably safe there for short amounts of time (e.g.
1685	I<MUST> call C<leave_link> as soon as possible, though.	2697	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2698	though, as the player cannot control the character while it is on the link
		2699	map.
1686		2700
1687	Will never block.	2701	Will never block.
1688		2702
1689	=item $player_object->leave_link ($map, $x, $y)	2703	=item $player_object->leave_link ($map, $x, $y)
1690		2704
…		…
1698	=cut	2712	=cut
1699		2713
1700	sub link_map {	2714	sub link_map {
1701	unless ($LINK_MAP) {	2715	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2716	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2717	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2718	$LINK_MAP->load;
1705	}	2719	}
1706		2720
1707	$LINK_MAP	2721	$LINK_MAP
1708	}	2722	}
…		…
1710	sub cf::object::player::enter_link {	2724	sub cf::object::player::enter_link {
1711	my ($self) = @_;	2725	my ($self) = @_;
1712		2726
1713	$self->deactivate_recursive;	2727	$self->deactivate_recursive;
1714		2728
		2729	++$self->{_link_recursion};
		2730
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2731	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2732
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2733	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2734	if $self->map && $self->map->{path} ne "{link}";
1719		2735
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2736	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1721	}	2737	}
1722		2738
1723	sub cf::object::player::leave_link {	2739	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2740	my ($self, $map, $x, $y) = @_;
		2741
		2742	return unless $self->contr->active;
1725		2743
1726	my $link_pos = delete $self->{_link_pos};	2744	my $link_pos = delete $self->{_link_pos};
1727		2745
1728	unless ($map) {	2746	unless ($map) {
1729	# restore original map position	2747	# restore original map position
…		…
1740	($x, $y) = (-1, -1)	2758	($x, $y) = (-1, -1)
1741	unless (defined $x) && (defined $y);	2759	unless (defined $x) && (defined $y);
1742		2760
1743	# use -1 or undef as default coordinates, not 0, 0	2761	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2762	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2763	if $x <= 0 && $y <= 0;
1746		2764
1747	$map->load;	2765	$map->load;
1748	$map->load_diag;	2766	$map->load_neighbours;
1749		2767
1750	return unless $self->contr->active;	2768	return unless $self->contr->active;
		2769
		2770	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2771	if ($self->enter_map ($map, $x, $y)) {
		2772	# entering was successful
		2773	delete $self->{_link_recursion};
		2774	# only activate afterwards, to support waiting in hooks
1751	$self->activate_recursive;	2775	$self->activate_recursive;
1752	$self->enter_map ($map, $x, $y);
1753	}
1754
1755	cf::player->attach (
1756	on_logout => sub {
1757	my ($pl) = @_;
1758
1759	# abort map switching before logout
1760	if ($pl->ob->{_link_pos}) {
1761	cf::sync_job {
1762	$pl->ob->leave_link
1763	};
1764	}
1765	},	2776	}
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2777
1769	# try to abort aborted map switching on player login :)	2778	}
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2779
1787	=item $player_object->goto ($path, $x, $y)	2780	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1788		2781
		2782	Moves the player to the given map-path and coordinates by first freezing
		2783	her, loading and preparing them map, calling the provided $check callback
		2784	that has to return the map if sucecssful, and then unfreezes the player on
		2785	the new (success) or old (failed) map position. In either case, $done will
		2786	be called at the end of this process.
		2787
		2788	Note that $check will be called with a potentially non-loaded map, so if
		2789	it needs a loaded map it has to call C<< ->load >>.
		2790
1789	=cut	2791	=cut
		2792
		2793	our $GOTOGEN;
1790		2794
1791	sub cf::object::player::goto {	2795	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2796	my ($self, $path, $x, $y, $check, $done) = @_;
		2797
		2798	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2799	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2800	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2801	($path, $x, $y) = @$EMERGENCY_POSITION;
		2802	}
		2803
		2804	# do generation counting so two concurrent goto's will be executed in-order
		2805	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2806
1794	$self->enter_link;	2807	$self->enter_link;
1795		2808
1796	(async {	2809	(async {
1797	my $map = cf::map::find $path;	2810	$Coro::current->{desc} = "player::goto $path $x $y";
		2811
		2812	# *tag paths override both path and x|y
		2813	if ($path =~ /^\*(.*)$/) {
		2814	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2815	my $ob = $obs[rand @obs];
		2816
		2817	# see if we actually can go there
		2818	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2819	$ob = $obs[rand @obs];
		2820	} else {
		2821	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823	# else put us there anyways for now #d#
		2824
		2825	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2826	} else {
		2827	($path, $x, $y) = (undef, undef, undef);
		2828	}
		2829	}
		2830
		2831	my $map = eval {
		2832	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2833
		2834	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2835	$map = $map->customise_for ($self);
1799		2836	$map = $check->($map, $x, $y, $self) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2837	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2838	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2839	}
1804		2840
		2841	$map
		2842	};
		2843
		2844	if ($@) {
		2845	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2846	LOG llevError | logBacktrace, Carp::longmess $@;
		2847	}
		2848
		2849	if ($gen == $self->{_goto_generation}) {
		2850	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2851	$self->leave_link ($map, $x, $y);
		2852	}
		2853
		2854	$done->($self) if $done;
1806	})->prio (1);	2855	})->prio (1);
1807	}	2856	}
1808		2857
1809	=item $player_object->enter_exit ($exit_object)	2858	=item $player_object->enter_exit ($exit_object)
1810		2859
…		…
1812		2861
1813	sub parse_random_map_params {	2862	sub parse_random_map_params {
1814	my ($spec) = @_;	2863	my ($spec) = @_;
1815		2864
1816	my $rmp = { # defaults	2865	my $rmp = { # defaults
1817	xsize => -1,	2866	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2867	ysize => (cf::rndm 15, 40),
		2868	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2869	#layout => string,
1819	};	2870	};
1820		2871
1821	for (split /\n/, $spec) {	2872	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2873	my ($k, $v) = split /\s+/, $_, 2;
1823		2874
…		…
1835	# that depends on the exit object	2886	# that depends on the exit object
1836		2887
1837	my $rmp = parse_random_map_params $exit->msg;	2888	my $rmp = parse_random_map_params $exit->msg;
1838		2889
1839	if ($exit->map) {	2890	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2891	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2892	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2893	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2894	$rmp->{origin_y} = $exit->y;
		2895
		2896	$exit->map->touch;
1844	}	2897	}
1845		2898
1846	$rmp->{random_seed} ||= $exit->random_seed;	2899	$rmp->{random_seed} ||= $exit->random_seed;
1847		2900
1848	my $data = cf::to_json $rmp;	2901	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1849	my $md5 = Digest::MD5::md5_hex $data;	2902	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2903	my $meta = "$RANDOMDIR/$md5.meta";
1851		2904
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2905	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2906	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2907	undef $fh;
1855	aio_rename "$meta~", $meta;	2908	aio_rename "$meta~", $meta;
1856		2909
		2910	my $slaying = "?random/$md5";
		2911
		2912	if ($exit->valid) {
1857	$exit->slaying ("?random/$md5");	2913	$exit->slaying ("?random/$md5");
1858	$exit->msg (undef);	2914	$exit->msg (undef);
		2915	}
1859	}	2916	}
1860	}	2917	}
1861		2918
1862	sub cf::object::player::enter_exit {	2919	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2920	my ($self, $exit) = @_;
…		…
1865	return unless $self->type == cf::PLAYER;	2922	return unless $self->type == cf::PLAYER;
1866		2923
1867	$self->enter_link;	2924	$self->enter_link;
1868		2925
1869	(async {	2926	(async {
1870	$self->deactivate_recursive; # just to be sure	2927	$Coro::current->{desc} = "enter_exit";
		2928
1871	unless (eval {	2929	unless (eval {
		2930	$self->deactivate_recursive; # just to be sure
		2931
		2932	# random map handling
		2933	{
		2934	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2935
1872	prepare_random_map $exit	2936	prepare_random_map $exit
1873	if $exit->slaying eq "/!";	2937	if $exit->slaying eq "/!";
		2938	}
1874		2939
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2940	my $map = cf::map::normalise $exit->slaying, $exit->map;
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2941	my $x = $exit->stats->hp;
		2942	my $y = $exit->stats->sp;
1877		2943
		2944	$self->goto ($map, $x, $y);
		2945
		2946	# if exit is damned, update players death & WoR home-position
		2947	$self->contr->savebed ($map, $x, $y)
		2948	if $exit->flag (cf::FLAG_DAMNED);
		2949
1878	1;	2950	1
1879	}) {	2951	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2952	$self->message ("Something went wrong deep within the deliantra server. "
1881	. "I'll try to bring you back to the map you were before. "	2953	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2954	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2955	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2956
1885	warn "ERROR in enter_exit: $@";	2957	error "ERROR in enter_exit: $@";
1886	$self->leave_link;	2958	$self->leave_link;
1887	}	2959	}
1888	})->prio (1);	2960	})->prio (1);
1889	}	2961	}
1890		2962
…		…
1901		2973
1902	sub cf::client::send_drawinfo {	2974	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	2975	my ($self, $text, $flags) = @_;
1904		2976
1905	utf8::encode $text;	2977	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2978	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	2979	}
1908		2980
		2981	=item $client->send_big_packet ($pkt)
		2982
		2983	Like C<send_packet>, but tries to compress large packets, and fragments
		2984	them as required.
		2985
		2986	=cut
		2987
		2988	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2989
		2990	sub cf::client::send_big_packet {
		2991	my ($self, $pkt) = @_;
		2992
		2993	# try lzf for large packets
		2994	$pkt = "lzf " . Compress::LZF::compress $pkt
		2995	if 1024 <= length $pkt and $self->{can_lzf};
		2996
		2997	# split very large packets
		2998	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2999	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3000	$pkt = "frag";
		3001	}
		3002
		3003	$self->send_packet ($pkt);
		3004	}
		3005
		3006	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3007
		3008	Send a drawinfo or msg packet to the client, formatting the msg for the
		3009	client if neccessary. C<$type> should be a string identifying the type of
		3010	the message, with C<log> being the default. If C<$color> is negative, suppress
		3011	the message unless the client supports the msg packet.
		3012
		3013	=cut
		3014
		3015	# non-persistent channels (usually the info channel)
		3016	our %CHANNEL = (
		3017	"c/motd" => {
		3018	id => "infobox",
		3019	title => "MOTD",
		3020	reply => undef,
		3021	tooltip => "The message of the day",
		3022	},
		3023	"c/identify" => {
		3024	id => "infobox",
		3025	title => "Identify",
		3026	reply => undef,
		3027	tooltip => "Items recently identified",
		3028	},
		3029	"c/examine" => {
		3030	id => "infobox",
		3031	title => "Examine",
		3032	reply => undef,
		3033	tooltip => "Signs and other items you examined",
		3034	},
		3035	"c/shopinfo" => {
		3036	id => "infobox",
		3037	title => "Shop Info",
		3038	reply => undef,
		3039	tooltip => "What your bargaining skill tells you about the shop",
		3040	},
		3041	"c/book" => {
		3042	id => "infobox",
		3043	title => "Book",
		3044	reply => undef,
		3045	tooltip => "The contents of a note or book",
		3046	},
		3047	"c/lookat" => {
		3048	id => "infobox",
		3049	title => "Look",
		3050	reply => undef,
		3051	tooltip => "What you saw there",
		3052	},
		3053	"c/who" => {
		3054	id => "infobox",
		3055	title => "Players",
		3056	reply => undef,
		3057	tooltip => "Shows players who are currently online",
		3058	},
		3059	"c/body" => {
		3060	id => "infobox",
		3061	title => "Body Parts",
		3062	reply => undef,
		3063	tooltip => "Shows which body parts you posess and are available",
		3064	},
		3065	"c/statistics" => {
		3066	id => "infobox",
		3067	title => "Statistics",
		3068	reply => undef,
		3069	tooltip => "Shows your primary statistics",
		3070	},
		3071	"c/skills" => {
		3072	id => "infobox",
		3073	title => "Skills",
		3074	reply => undef,
		3075	tooltip => "Shows your experience per skill and item power",
		3076	},
		3077	"c/shopitems" => {
		3078	id => "infobox",
		3079	title => "Shop Items",
		3080	reply => undef,
		3081	tooltip => "Shows the items currently for sale in this shop",
		3082	},
		3083	"c/resistances" => {
		3084	id => "infobox",
		3085	title => "Resistances",
		3086	reply => undef,
		3087	tooltip => "Shows your resistances",
		3088	},
		3089	"c/pets" => {
		3090	id => "infobox",
		3091	title => "Pets",
		3092	reply => undef,
		3093	tooltip => "Shows information abotu your pets/a specific pet",
		3094	},
		3095	"c/perceiveself" => {
		3096	id => "infobox",
		3097	title => "Perceive Self",
		3098	reply => undef,
		3099	tooltip => "You gained detailed knowledge about yourself",
		3100	},
		3101	"c/uptime" => {
		3102	id => "infobox",
		3103	title => "Uptime",
		3104	reply => undef,
		3105	tooltip => "How long the server has been running since last restart",
		3106	},
		3107	"c/mapinfo" => {
		3108	id => "infobox",
		3109	title => "Map Info",
		3110	reply => undef,
		3111	tooltip => "Information related to the maps",
		3112	},
		3113	"c/party" => {
		3114	id => "party",
		3115	title => "Party",
		3116	reply => "gsay ",
		3117	tooltip => "Messages and chat related to your party",
		3118	},
		3119	"c/death" => {
		3120	id => "death",
		3121	title => "Death",
		3122	reply => undef,
		3123	tooltip => "Reason for and more info about your most recent death",
		3124	},
		3125	"c/say" => $SAY_CHANNEL,
		3126	"c/chat" => $CHAT_CHANNEL,
		3127	);
		3128
		3129	sub cf::client::send_msg {
		3130	my ($self, $channel, $msg, $color, @extra) = @_;
		3131
		3132	$msg = $self->pl->expand_cfpod ($msg)
		3133	unless $color & cf::NDI_VERBATIM;
		3134
		3135	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3136
		3137	# check predefined channels, for the benefit of C
		3138	if ($CHANNEL{$channel}) {
		3139	$channel = $CHANNEL{$channel};
		3140
		3141	$self->ext_msg (channel_info => $channel);
		3142	$channel = $channel->{id};
		3143
		3144	} elsif (ref $channel) {
		3145	# send meta info to client, if not yet sent
		3146	unless (exists $self->{channel}{$channel->{id}}) {
		3147	$self->{channel}{$channel->{id}} = $channel;
		3148	$self->ext_msg (channel_info => $channel);
		3149	}
		3150
		3151	$channel = $channel->{id};
		3152	}
		3153
		3154	return unless @extra || length $msg;
		3155
		3156	# default colour, mask it out
		3157	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3158	if $color & cf::NDI_DEF;
		3159
		3160	my $pkt = "msg "
		3161	. $self->{json_coder}->encode (
		3162	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3163	);
		3164
		3165	$self->send_big_packet ($pkt);
		3166	}
		3167
		3168	=item $client->ext_msg ($type, @msg)
		3169
		3170	Sends an ext event to the client.
		3171
		3172	=cut
		3173
		3174	sub cf::client::ext_msg($$@) {
		3175	my ($self, $type, @msg) = @_;
		3176
		3177	if ($self->extcmd == 2) {
		3178	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3179	} elsif ($self->extcmd == 1) { # TODO: remove
		3180	push @msg, msgtype => "event_$type";
		3181	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3182	}
		3183	}
		3184
		3185	=item $client->ext_reply ($msgid, @msg)
		3186
		3187	Sends an ext reply to the client.
		3188
		3189	=cut
		3190
		3191	sub cf::client::ext_reply($$@) {
		3192	my ($self, $id, @msg) = @_;
		3193
		3194	if ($self->extcmd == 2) {
		3195	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3196	} elsif ($self->extcmd == 1) {
		3197	#TODO: version 1, remove
		3198	unshift @msg, msgtype => "reply", msgid => $id;
		3199	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3200	}
		3201	}
1909		3202
1910	=item $success = $client->query ($flags, "text", \&cb)	3203	=item $success = $client->query ($flags, "text", \&cb)
1911		3204
1912	Queues a query to the client, calling the given callback with	3205	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3206	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3207	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		3208
1916	Queries can fail, so check the return code. Or don't, as queries will become	3209	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	3210	become reliable at some point in the future.
1918		3211
1919	=cut	3212	=cut
1920		3213
1921	sub cf::client::query {	3214	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	3215	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	3223	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3224	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		3225
1933	$self->send_packet ($self->{query_queue}[0][0])	3226	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	3227	if @{ $self->{query_queue} } == 1;
		3228
		3229	1
1935	}	3230	}
1936		3231
1937	cf::client->attach (	3232	cf::client->attach (
		3233	on_connect => sub {
		3234	my ($ns) = @_;
		3235
		3236	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3237	},
1938	on_reply => sub {	3238	on_reply => sub {
1939	my ($ns, $msg) = @_;	3239	my ($ns, $msg) = @_;
1940		3240
1941	# this weird shuffling is so that direct followup queries	3241	# this weird shuffling is so that direct followup queries
1942	# get handled first	3242	# get handled first
1943	my $queue = delete $ns->{query_queue}	3243	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	3244	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		3245
1946	(shift @$queue)->[1]->($msg);	3246	(shift @$queue)->[1]->($msg);
		3247	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		3248
1948	push @{ $ns->{query_queue} }, @$queue;	3249	push @{ $ns->{query_queue} }, @$queue;
1949		3250
1950	if (@{ $ns->{query_queue} } == @$queue) {	3251	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	3252	if (@$queue) {
…		…
1953	} else {	3254	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3255	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	3256	}
1956	}	3257	}
1957	},	3258	},
		3259	on_exticmd => sub {
		3260	my ($ns, $buf) = @_;
		3261
		3262	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3263
		3264	if (ref $msg) {
		3265	my ($type, $reply, @payload) =
		3266	"ARRAY" eq ref $msg
		3267	? @$msg
		3268	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3269
		3270	my @reply;
		3271
		3272	if (my $cb = $EXTICMD{$type}) {
		3273	@reply = $cb->($ns, @payload);
		3274	}
		3275
		3276	$ns->ext_reply ($reply, @reply)
		3277	if $reply;
		3278
		3279	} else {
		3280	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3281	}
		3282
		3283	cf::override;
		3284	},
1958	);	3285	);
1959		3286
1960	=item $client->async (\&cb)	3287	=item $client->async (\&cb)
1961		3288
1962	Create a new coroutine, running the specified callback. The coroutine will	3289	Create a new coroutine, running the specified callback. The coroutine will
…		…
1978		3305
1979	$coro	3306	$coro
1980	}	3307	}
1981		3308
1982	cf::client->attach (	3309	cf::client->attach (
1983	on_destroy => sub {	3310	on_client_destroy => sub {
1984	my ($ns) = @_;	3311	my ($ns) = @_;
1985		3312
1986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3313	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1987	},	3314	},
1988	);	3315	);
…		…
2003	our $safe = new Safe "safe";	3330	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	3331	our $safe_hole = new Safe::Hole;
2005		3332
2006	$SIG{FPE} = 'IGNORE';	3333	$SIG{FPE} = 'IGNORE';
2007		3334
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3335	$safe->permit_only (Opcode::opset qw(
		3336	:base_core :base_mem :base_orig :base_math :base_loop
		3337	grepstart grepwhile mapstart mapwhile
		3338	sort time
		3339	));
2009		3340
2010	# here we export the classes and methods available to script code	3341	# here we export the classes and methods available to script code
2011		3342
2012	=pod	3343	=pod
2013		3344
2014	The following fucntions and emthods are available within a safe environment:	3345	The following functions and methods are available within a safe environment:
2015		3346
2016	cf::object contr pay_amount pay_player map	3347	cf::object
		3348	contr pay_amount pay_player map x y force_find force_add destroy
		3349	insert remove name archname title slaying race decrease split
		3350	value
		3351
2017	cf::object::player player	3352	cf::object::player
2018	cf::player peaceful	3353	player
2019	cf::map trigger	3354
		3355	cf::player
		3356	peaceful
		3357
		3358	cf::map
		3359	trigger
2020		3360
2021	=cut	3361	=cut
2022		3362
2023	for (	3363	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	3364	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3365	insert remove inv nrof name archname title slaying race
		3366	decrease split destroy change_exp value msg lore send_msg)],
2025	["cf::object::player" => qw(player)],	3367	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	3368	["cf::player" => qw(peaceful send_msg)],
2027	["cf::map" => qw(trigger)],	3369	["cf::map" => qw(trigger)],
2028	) {	3370	) {
2029	no strict 'refs';
2030	my ($pkg, @funs) = @$_;	3371	my ($pkg, @funs) = @$_;
2031	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3372	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2032	for @funs;	3373	for @funs;
2033	}	3374	}
2034		3375
…		…
2049		3390
2050	my $qcode = $code;	3391	my $qcode = $code;
2051	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3392	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2052	$qcode =~ s/\n/\\n/g;	3393	$qcode =~ s/\n/\\n/g;
2053		3394
		3395	%vars = (_dummy => 0) unless %vars;
		3396
		3397	my @res;
2054	local $_;	3398	local $_;
2055	local @safe::cf::_safe_eval_args = values %vars;
2056		3399
2057	my $eval =	3400	my $eval =
2058	"do {\n"	3401	"do {\n"
2059	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3402	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2060	. "#line 0 \"{$qcode}\"\n"	3403	. "#line 0 \"{$qcode}\"\n"
2061	. $code	3404	. $code
2062	. "\n}"	3405	. "\n}"
2063	;	3406	;
2064		3407
		3408	if ($CFG{safe_eval}) {
2065	sub_generation_inc;	3409	sub_generation_inc;
		3410	local @safe::cf::_safe_eval_args = values %vars;
2066	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3411	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2067	sub_generation_inc;	3412	sub_generation_inc;
		3413	} else {
		3414	local @cf::_safe_eval_args = values %vars;
		3415	@res = wantarray ? eval eval : scalar eval $eval;
		3416	}
2068		3417
2069	if ($@) {	3418	if ($@) {
2070	warn "$@";	3419	warn "$@",
2071	warn "while executing safe code '$code'\n";	3420	"while executing safe code '$code'\n",
2072	warn "with arguments " . (join " ", %vars) . "\n";	3421	"with arguments " . (join " ", %vars) . "\n";
2073	}	3422	}
2074		3423
2075	wantarray ? @res : $res[0]	3424	wantarray ? @res : $res[0]
2076	}	3425	}
2077		3426
…		…
2091	=cut	3440	=cut
2092		3441
2093	sub register_script_function {	3442	sub register_script_function {
2094	my ($fun, $cb) = @_;	3443	my ($fun, $cb) = @_;
2095		3444
2096	no strict 'refs';	3445	$fun = "safe::$fun" if $CFG{safe_eval};
2097	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3446	*$fun = $safe_hole->wrap ($cb);
2098	}	3447	}
2099		3448
2100	=back	3449	=back
2101		3450
2102	=cut	3451	=cut
2103		3452
2104	#############################################################################	3453	#############################################################################
		3454	# the server's init and main functions
2105		3455
2106	=head2 EXTENSION DATABASE SUPPORT	3456	sub load_facedata($) {
		3457	my ($path) = @_;
2107		3458
2108	Crossfire maintains a very simple database for extension use. It can	3459	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	3460	# for this (global event?)
2110	excludes objects.	3461	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		3462
2112	The parameter C<$family> should best start with the name of the extension	3463	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		3464
2115	=over 4	3465	trace "loading facedata from $path\n";
2116		3466
2117	=item $hashref = cf::db_get $family	3467	my $facedata = decode_storable load_file $path;
2118		3468
2119	Return a hashref for use by the extension C<$family>, which can be	3469	$facedata->{version} == 2
2120	modified. After modifications, you have to call C<cf::db_dirty> or	3470	or cf::cleanup "$path: version mismatch, cannot proceed.";
2121	C<cf::db_sync>.
2122		3471
2123	=item $value = cf::db_get $family => $key	3472	# patch in the exptable
2124		3473	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2125	Returns a single value from the database	3474	$facedata->{resource}{"res/exp_table"} = {
2126		3475	type => FT_RSRC,
2127	=item cf::db_put $family => $hashref	3476	data => $exp_table,
2128		3477	hash => (Digest::MD5::md5 $exp_table),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3478	};
		3479	cf::cede_to_tick;
2178		3480
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3481	{
		3482	my $faces = $facedata->{faceinfo};
2183		3483
2184	sub db_get($;$) {	3484	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3485	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		3486
2190	sub db_put($$;$) {	3487	cf::face::set_visibility $idx, $info->{visibility};
2191	if (@_ >= 3) {	3488	cf::face::set_magicmap $idx, $info->{magicmap};
2192	$DB->{$_[0]}{$_[1]} = $_[2];	3489	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2193	} else {	3490	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2194	$DB->{$_[0]} = $_[1];	3491	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2195	}
2196	db_dirty;
2197	}
2198		3492
2199	cf::global->attach (	3493	cf::cede_to_tick;
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3494	}
2204	);
2205	}
2206		3495
2207	#############################################################################	3496	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3497	next unless $info->{smooth};
2209		3498
2210	sub cfg_load {	3499	my $idx = cf::face::find $face
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3500	or next;
2212	or return;
2213		3501
2214	local $/;	3502	if (my $smooth = cf::face::find $info->{smooth}) {
2215	*CFG = YAML::Syck::Load <$fh>;	3503	cf::face::set_smooth $idx, $smooth;
		3504	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3505	} else {
		3506	error "smooth face '$info->{smooth}' not found for face '$face'";
		3507	}
2216		3508
		3509	cf::cede_to_tick;
		3510	}
		3511	}
		3512
		3513	{
		3514	my $anims = $facedata->{animinfo};
		3515
		3516	while (my ($anim, $info) = each %$anims) {
		3517	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3518	cf::cede_to_tick;
		3519	}
		3520
		3521	cf::anim::invalidate_all; # d'oh
		3522	}
		3523
		3524	{
		3525	my $res = $facedata->{resource};
		3526
		3527	while (my ($name, $info) = each %$res) {
		3528	if (defined $info->{type}) {
		3529	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3530
		3531	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3532	cf::face::set_type $idx, $info->{type};
		3533	} else {
		3534	$RESOURCE{$name} = $info; # unused
		3535	}
		3536
		3537	cf::cede_to_tick;
		3538	}
		3539	}
		3540
		3541	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3542
		3543	1
		3544	}
		3545
		3546	register_exticmd fx_want => sub {
		3547	my ($ns, $want) = @_;
		3548
		3549	while (my ($k, $v) = each %$want) {
		3550	$ns->fx_want ($k, $v);
		3551	}
		3552	};
		3553
		3554	sub load_resource_file($) {
		3555	my $guard = lock_acquire "load_resource_file";
		3556
		3557	my $status = load_resource_file_ $_[0];
		3558	get_slot 0.1, 100;
		3559	cf::arch::commit_load;
		3560
		3561	$status
		3562	}
		3563
		3564	sub reload_regions {
		3565	# HACK to clear player env face cache, we need some signal framework
		3566	# for this (global event?)
		3567	%ext::player_env::MUSIC_FACE_CACHE = ();
		3568
		3569	load_resource_file "$MAPDIR/regions"
		3570	or die "unable to load regions file\n";
		3571
		3572	for (cf::region::list) {
		3573	$_->{match} = qr/$_->{match}/
		3574	if exists $_->{match};
		3575	}
		3576	}
		3577
		3578	sub reload_facedata {
		3579	load_facedata "$DATADIR/facedata"
		3580	or die "unable to load facedata\n";
		3581	}
		3582
		3583	sub reload_archetypes {
		3584	load_resource_file "$DATADIR/archetypes"
		3585	or die "unable to load archetypes\n";
		3586	}
		3587
		3588	sub reload_treasures {
		3589	load_resource_file "$DATADIR/treasures"
		3590	or die "unable to load treasurelists\n";
		3591	}
		3592
		3593	sub reload_sound {
		3594	trace "loading sound config from $DATADIR/sound\n";
		3595
		3596	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3597
		3598	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3599	my $sound = $soundconf->{compat}[$_]
		3600	or next;
		3601
		3602	my $face = cf::face::find "sound/$sound->[1]";
		3603	cf::sound::set $sound->[0] => $face;
		3604	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3605	}
		3606
		3607	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3608	my $face = cf::face::find "sound/$v";
		3609	cf::sound::set $k => $face;
		3610	}
		3611	}
		3612
		3613	sub reload_resources {
		3614	trace "reloading resource files...\n";
		3615
		3616	reload_exp_table;
		3617	reload_materials;
		3618	reload_facedata;
		3619	reload_sound;
		3620	reload_archetypes;
		3621	reload_regions;
		3622	reload_treasures;
		3623
		3624	trace "finished reloading resource files\n";
		3625	}
		3626
		3627	sub reload_config {
		3628	trace "reloading config file...\n";
		3629
		3630	my $config = load_file "$CONFDIR/config";
		3631	utf8::decode $config;
		3632	*CFG = decode_yaml $config;
		3633
2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3634	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2218		3635
2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3636	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3637	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2221		3638
2222	if (exists $CFG{mlockall}) {	3639	if (exists $CFG{mlockall}) {
…		…
2226	};	3643	};
2227	warn $@ if $@;	3644	warn $@ if $@;
2228	}	3645	}
2229	}	3646	}
2230		3647
		3648	sub pidfile() {
		3649	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3650	or die "$PIDFILE: $!";
		3651	flock $fh, &Fcntl::LOCK_EX
		3652	or die "$PIDFILE: flock: $!";
		3653	$fh
		3654	}
		3655
		3656	# make sure only one server instance is running at any one time
		3657	sub atomic {
		3658	my $fh = pidfile;
		3659
		3660	my $pid = <$fh>;
		3661	kill 9, $pid if $pid > 0;
		3662
		3663	seek $fh, 0, 0;
		3664	print $fh $$;
		3665	}
		3666
		3667	sub main_loop {
		3668	trace "EV::loop starting\n";
		3669	if (1) {
		3670	EV::loop;
		3671	}
		3672	trace "EV::loop returned\n";
		3673	goto &main_loop unless $REALLY_UNLOOP;
		3674	}
		3675
2231	sub main {	3676	sub main {
		3677	cf::init_globals; # initialise logging
		3678
		3679	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3680	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3681	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3682	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3683
		3684	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3685
2232	# we must not ever block the main coroutine	3686	# we must not ever block the main coroutine
2233	local $Coro::idle = sub {	3687	local $Coro::idle = sub {
2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3688	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2235	(async {	3689	(async {
2236	Event::one_event;	3690	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3691	EV::loop EV::LOOP_ONESHOT;
2237	})->prio (Coro::PRIO_MAX);	3692	})->prio (Coro::PRIO_MAX);
2238	};	3693	};
2239		3694
2240	cfg_load;	3695	evthread_start IO::AIO::poll_fileno;
2241	db_load;	3696
		3697	cf::sync_job {
		3698	cf::incloader::init ();
		3699
		3700	cf::init_anim;
		3701	cf::init_attackmess;
		3702	cf::init_dynamic;
		3703
		3704	cf::load_settings;
		3705
		3706	reload_resources;
		3707	reload_config;
		3708	db_init;
		3709
		3710	cf::init_uuid;
		3711	cf::init_signals;
		3712	cf::init_skills;
		3713
		3714	cf::init_beforeplay;
		3715
		3716	atomic;
		3717
2242	load_extensions;	3718	load_extensions;
2243	Event::loop;	3719
		3720	utime time, time, $RUNTIMEFILE;
		3721
		3722	# no (long-running) fork's whatsoever before this point(!)
		3723	use POSIX ();
		3724	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3725
		3726	cf::_post_init 0;
		3727	};
		3728
		3729	cf::object::thawer::errors_are_fatal 0;
		3730	info "parse errors in files are no longer fatal from this point on.\n";
		3731
		3732	my $free_main; $free_main = EV::idle sub {
		3733	undef $free_main;
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2244	}	3738	}
2245		3739
2246	#############################################################################	3740	#############################################################################
2247	# initialisation and cleanup	3741	# initialisation and cleanup
2248		3742
2249	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2250	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2257	},
2258	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2259	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2260	}	3839	}
2261		3840
2262	sub emergency_save() {	3841	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2264		3843
2265	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2266		3850
2267	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2268	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2269	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2270	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2272	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3862	$pl->save;
2276	}	3863	}
2277	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2278		3865
2279	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2280	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2281	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3871	$map->valid or next;
2283	$map->save;	3872	$map->save;
2284	}	3873	}
2285	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2286	};	3904	};
2287		3905
2288	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2289	}	3907	}
2290		3908
		3909	sub post_cleanup {
		3910	my ($make_core) = @_;
		3911
		3912	IO::AIO::flush;
		3913
		3914	error Carp::longmess "post_cleanup backtrace"
		3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2291	sub reload() {	3946	sub do_reload_perl() {
2292	# can/must only be called in main	3947	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2294	warn "can only reload from main coroutine\n";	3949	error "can only reload from main coroutine";
2295	return;	3950	return;
2296	}	3951	}
2297		3952
2298	warn "reloading...";	3953	return if $RELOAD++;
2299		3954
2300	warn "freezing server";	3955	my $t1 = AE::time;
2301	my $guard = freeze_mainloop;	3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
		3963	cf::sync_job {
2302	cf::emergency_save;	3964	#cf::emergency_save;
2303		3965
2304	warn "sync database to disk";	3966	trace "perl_reload: cancelling all extension coros";
2305	cf::db_sync;
2306	IO::AIO::flush;
2307
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved
2310
2311	warn "cancel all watchers";
2312	for (Event::all_watchers) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;
2314	}
2315
2316	warn "cancel all extension coros";
2317	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3968	%EXT_CORO = ();
2319		3969
2320	warn "remove commands";	3970	trace "perl_reload: removing commands";
2321	%COMMAND = ();	3971	%COMMAND = ();
2322		3972
2323	warn "remove ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2324	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2325		3976
2326	warn "unload/nuke all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2329		3980
2330	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3982	eval {
2332	$cb->($pkg);	3983	$cb->($pkg);
2333	1	3984	1
2334	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2335	}	3990	}
2336		3991
2337	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;
2339	}
2340
2341	warn "unload all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3995
2345	warn "removing <$k>";	3996	trace "... unloading $k";
2346	delete $INC{$k};	3997	delete $INC{$k};
2347		3998
2348	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2350		4001
2351	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2352	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2353	}	4007	}
2354		4008
2355	Symbol::delete_package $k;
2356	}
2357
2358	warn "get rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		4012
2362	warn "unload cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2364		4016
2365	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2366	# and global variables created in xs	4018	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2368		4020
2369	warn "reloading cf.pm";	4021	info "perl_reload: unload completed, starting to reload now";
		4022
		4023	trace "perl_reload: reloading cf.pm";
2370	require cf;	4024	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2372		4026
2373	warn "load config and database again";	4027	trace "perl_reload: loading config and database again";
2374	cf::cfg_load;	4028	cf::reload_config;
2375	cf::db_load;
2376		4029
2377	warn "load extensions";	4030	trace "perl_reload: loading extensions";
2378	cf::load_extensions;	4031	cf::load_extensions;
2379		4032
		4033	if ($REATTACH_ON_RELOAD) {
2380	warn "reattach attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2381	_global_reattach;	4035	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2383	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
		4041
		4042	cf::_post_init 1;
		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
		4046	1
		4047	} or do {
		4048	error $@;
		4049	cf::cleanup "perl_reload: error, exiting.";
		4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2384	};	4072	};
2385		4073	}
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391
2392	warn "reloaded";
2393	};
2394
2395	our $RELOAD_WATCHER; # used only during reload
2396		4074
2397	register_command "reload" => sub {	4075	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2399		4077
2400	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2402		4080	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	4082	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	4083	};
2410	}	4084	}
2411	};	4085	};
2412		4086
2413	unshift @INC, $LIBDIR;	4087	#############################################################################
2414		4088
2415	$TICK_WATCHER = Event->timer (	4089	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		4090
		4091	our @WAIT_FOR_TICK;
		4092	our @WAIT_FOR_TICK_BEGIN;
		4093
		4094	sub wait_for_tick() {
		4095	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4096
		4097	my $signal = new Coro::Signal;
		4098	push @WAIT_FOR_TICK, $signal;
		4099	$signal->wait;
		4100	}
		4101
		4102	sub wait_for_tick_begin() {
		4103	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4104
		4105	my $signal = new Coro::Signal;
		4106	push @WAIT_FOR_TICK_BEGIN, $signal;
		4107	$signal->wait;
		4108	}
		4109
		4110	sub tick {
		4111	if ($Coro::current != $Coro::main) {
		4112	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4113	unless ++$bug_warning > 10;
		4114	return;
		4115	}
		4116
2423	cf::server_tick; # one server iteration	4117	cf::server_tick; # one server iteration
2424	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;
2426		4118
2427	$WAIT_FOR_TICK->broadcast;	4119	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2429		4120
2430	# if we are delayed by four ticks or more, skip them all	4121	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4122	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2432		4123	Coro::async_pool {
2433	$TICK_WATCHER->at ($NEXT_TICK);	4124	$Coro::current->{desc} = "runtime saver";
2434	$TICK_WATCHER->start;
2435	},
2436	);
2437
2438	IO::AIO::max_poll_time $TICK * 0.2;
2439
2440	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,
2450	after => 0,
2451	interval => 10,
2452	cb => sub {
2453	(Coro::unblock_sub {
2454	write_runtime	4125	write_runtime_sync
2455	or warn "ERROR: unable to write runtime file: $!";	4126	or error "ERROR: unable to write runtime file: $!";
2456	})->();	4127	};
2457	},	4128	}
2458	);	4129
		4130	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4131	$sig->send;
		4132	}
		4133	while (my $sig = shift @WAIT_FOR_TICK) {
		4134	$sig->send;
		4135	}
		4136
		4137	$LOAD = ($NOW - $TICK_START) / $TICK;
		4138	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4139
		4140	if (0) {
		4141	if ($NEXT_TICK) {
		4142	my $jitter = $TICK_START - $NEXT_TICK;
		4143	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4144	debug "jitter $JITTER\n";#d#
		4145	}
		4146	}
		4147	}
		4148
		4149	{
		4150	# configure BDB
		4151
		4152	BDB::min_parallel 16;
		4153	BDB::max_poll_reqs $TICK * 0.1;
		4154	$AnyEvent::BDB::WATCHER->priority (1);
		4155
		4156	unless ($DB_ENV) {
		4157	$DB_ENV = BDB::db_env_create;
		4158	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4159	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4160	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4161	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4162	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4163
		4164	cf::sync_job {
		4165	eval {
		4166	BDB::db_env_open
		4167	$DB_ENV,
		4168	$BDBDIR,
		4169	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4170	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4171	0666;
		4172
		4173	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4174	};
		4175
		4176	cf::cleanup "db_env_open(db): $@" if $@;
		4177	};
		4178	}
		4179
		4180	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4181	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4182	};
		4183	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4184	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4185	};
		4186	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4187	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4188	};
		4189	}
		4190
		4191	{
		4192	# configure IO::AIO
		4193
		4194	IO::AIO::min_parallel 8;
		4195	IO::AIO::max_poll_time $TICK * 0.1;
		4196	undef $AnyEvent::AIO::WATCHER;
		4197	}
		4198
		4199	our $_log_backtrace;
		4200	our $_log_backtrace_last;
		4201
		4202	sub _log_backtrace {
		4203	my ($msg, @addr) = @_;
		4204
		4205	$msg =~ s/\n$//;
		4206
		4207	if ($_log_backtrace_last eq $msg) {
		4208	LOG llevInfo, "[ABT] $msg\n";
		4209	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4210	# limit the # of concurrent backtraces
		4211	} elsif ($_log_backtrace < 2) {
		4212	$_log_backtrace_last = $msg;
		4213	++$_log_backtrace;
		4214	my $perl_bt = Carp::longmess $msg;
		4215	async {
		4216	$Coro::current->{desc} = "abt $msg";
		4217
		4218	my @bt = fork_call {
		4219	@addr = map { sprintf "%x", $_ } @addr;
		4220	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4221	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4222	or die "addr2line: $!";
		4223
		4224	my @funcs;
		4225	my @res = <$fh>;
		4226	chomp for @res;
		4227	while (@res) {
		4228	my ($func, $line) = splice @res, 0, 2, ();
		4229	push @funcs, "[$func] $line";
		4230	}
		4231
		4232	@funcs
		4233	};
		4234
		4235	LOG llevInfo, "[ABT] $perl_bt\n";
		4236	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4237	LOG llevInfo, "[ABT] $_\n" for @bt;
		4238	--$_log_backtrace;
		4239	};
		4240	} else {
		4241	LOG llevInfo, "[ABT] $msg\n";
		4242	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4243	}
		4244	}
		4245
		4246	# load additional modules
		4247	require "cf/$_.pm" for @EXTRA_MODULES;
		4248	cf::_connect_to_perl_2;
2459		4249
2460	END { cf::emergency_save }	4250	END { cf::emergency_save }
2461		4251
2462	1	4252	1
2463		4253

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines